4278 lines
153 KiB
JavaScript
4278 lines
153 KiB
JavaScript
import {
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isFakeMousedownFromScreenReader,
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isFakeTouchstartFromScreenReader
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} from "./chunk-YLELG2JA.js";
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import {
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CdkScrollable,
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CdkScrollableModule,
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Directionality,
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ScrollDispatcher,
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ViewportRuler
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} from "./chunk-EO7WLVSF.js";
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import {
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_CdkPrivateStyleLoader,
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_getEventTarget,
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_getShadowRoot,
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coerceArray,
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coerceElement,
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coerceNumberProperty
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} from "./chunk-FV6QHIHW.js";
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import {
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_IdGenerator
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} from "./chunk-USTXONGY.js";
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import "./chunk-76DXN4JH.js";
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import "./chunk-4X6VR2I6.js";
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import {
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ChangeDetectionStrategy,
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ChangeDetectorRef,
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Component,
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Directive,
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ElementRef,
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EventEmitter,
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Injectable,
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Input,
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NgModule,
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NgZone,
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Output,
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RendererFactory2,
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TemplateRef,
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ViewContainerRef,
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ViewEncapsulation,
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afterNextRender,
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booleanAttribute,
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numberAttribute,
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setClassMetadata,
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ɵɵNgOnChangesFeature,
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ɵɵProvidersFeature,
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ɵɵattribute,
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ɵɵclassProp,
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ɵɵdefineComponent,
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ɵɵdefineDirective,
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ɵɵdefineNgModule
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} from "./chunk-UEBPW2IJ.js";
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import {
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DOCUMENT,
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InjectionToken,
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Injector,
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inject,
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signal,
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ɵɵdefineInjectable,
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ɵɵdefineInjector
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} from "./chunk-QLJXSR7F.js";
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import {
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BehaviorSubject,
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Observable,
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Subject,
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Subscription,
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animationFrameScheduler,
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interval,
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map,
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merge,
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startWith,
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switchMap,
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take,
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takeUntil,
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tap
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} from "./chunk-RSS3ODKE.js";
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import "./chunk-TKSB4YUA.js";
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// node_modules/@angular/cdk/fesm2022/drag-drop.mjs
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function deepCloneNode(node) {
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const clone = node.cloneNode(true);
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const descendantsWithId = clone.querySelectorAll("[id]");
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const nodeName = node.nodeName.toLowerCase();
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clone.removeAttribute("id");
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for (let i = 0; i < descendantsWithId.length; i++) {
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descendantsWithId[i].removeAttribute("id");
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}
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if (nodeName === "canvas") {
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transferCanvasData(node, clone);
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} else if (nodeName === "input" || nodeName === "select" || nodeName === "textarea") {
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transferInputData(node, clone);
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}
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transferData("canvas", node, clone, transferCanvasData);
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transferData("input, textarea, select", node, clone, transferInputData);
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return clone;
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}
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function transferData(selector, node, clone, callback) {
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const descendantElements = node.querySelectorAll(selector);
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if (descendantElements.length) {
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const cloneElements = clone.querySelectorAll(selector);
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for (let i = 0; i < descendantElements.length; i++) {
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callback(descendantElements[i], cloneElements[i]);
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}
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}
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}
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var cloneUniqueId = 0;
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function transferInputData(source, clone) {
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if (clone.type !== "file") {
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clone.value = source.value;
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}
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if (clone.type === "radio" && clone.name) {
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clone.name = `mat-clone-${clone.name}-${cloneUniqueId++}`;
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}
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}
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function transferCanvasData(source, clone) {
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const context = clone.getContext("2d");
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if (context) {
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try {
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context.drawImage(source, 0, 0);
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} catch {
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}
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}
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}
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function getMutableClientRect(element) {
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const rect = element.getBoundingClientRect();
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return {
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top: rect.top,
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right: rect.right,
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bottom: rect.bottom,
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left: rect.left,
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width: rect.width,
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height: rect.height,
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x: rect.x,
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y: rect.y
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};
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}
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function isInsideClientRect(clientRect, x, y) {
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const {
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top,
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bottom,
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left,
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right
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} = clientRect;
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return y >= top && y <= bottom && x >= left && x <= right;
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}
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function isOverflowingParent(parentRect, childRect) {
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const isLeftOverflowing = childRect.left < parentRect.left;
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const isRightOverflowing = childRect.left + childRect.width > parentRect.right;
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const isTopOverflowing = childRect.top < parentRect.top;
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const isBottomOverflowing = childRect.top + childRect.height > parentRect.bottom;
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return isLeftOverflowing || isRightOverflowing || isTopOverflowing || isBottomOverflowing;
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}
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function adjustDomRect(domRect, top, left) {
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domRect.top += top;
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domRect.bottom = domRect.top + domRect.height;
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domRect.left += left;
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domRect.right = domRect.left + domRect.width;
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}
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function isPointerNearDomRect(rect, threshold, pointerX, pointerY) {
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const {
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top,
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right,
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bottom,
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left,
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width,
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height
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} = rect;
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const xThreshold = width * threshold;
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const yThreshold = height * threshold;
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return pointerY > top - yThreshold && pointerY < bottom + yThreshold && pointerX > left - xThreshold && pointerX < right + xThreshold;
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}
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var ParentPositionTracker = class {
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_document;
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/** Cached positions of the scrollable parent elements. */
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positions = /* @__PURE__ */ new Map();
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constructor(_document) {
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this._document = _document;
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}
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/** Clears the cached positions. */
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clear() {
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this.positions.clear();
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}
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/** Caches the positions. Should be called at the beginning of a drag sequence. */
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cache(elements) {
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this.clear();
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this.positions.set(this._document, {
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scrollPosition: this.getViewportScrollPosition()
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});
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elements.forEach((element) => {
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this.positions.set(element, {
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scrollPosition: {
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top: element.scrollTop,
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left: element.scrollLeft
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},
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clientRect: getMutableClientRect(element)
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});
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});
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}
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/** Handles scrolling while a drag is taking place. */
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handleScroll(event) {
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const target = _getEventTarget(event);
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const cachedPosition = this.positions.get(target);
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if (!cachedPosition) {
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return null;
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}
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const scrollPosition = cachedPosition.scrollPosition;
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let newTop;
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let newLeft;
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if (target === this._document) {
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const viewportScrollPosition = this.getViewportScrollPosition();
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newTop = viewportScrollPosition.top;
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newLeft = viewportScrollPosition.left;
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} else {
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newTop = target.scrollTop;
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newLeft = target.scrollLeft;
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}
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const topDifference = scrollPosition.top - newTop;
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const leftDifference = scrollPosition.left - newLeft;
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this.positions.forEach((position, node) => {
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if (position.clientRect && target !== node && target.contains(node)) {
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adjustDomRect(position.clientRect, topDifference, leftDifference);
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}
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});
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scrollPosition.top = newTop;
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scrollPosition.left = newLeft;
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return {
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top: topDifference,
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left: leftDifference
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};
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}
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/**
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* Gets the scroll position of the viewport. Note that we use the scrollX and scrollY directly,
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* instead of going through the `ViewportRuler`, because the first value the ruler looks at is
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* the top/left offset of the `document.documentElement` which works for most cases, but breaks
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* if the element is offset by something like the `BlockScrollStrategy`.
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*/
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getViewportScrollPosition() {
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return {
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top: window.scrollY,
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left: window.scrollX
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};
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}
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};
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function getRootNode(viewRef, _document) {
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const rootNodes = viewRef.rootNodes;
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if (rootNodes.length === 1 && rootNodes[0].nodeType === _document.ELEMENT_NODE) {
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return rootNodes[0];
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}
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const wrapper = _document.createElement("div");
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rootNodes.forEach((node) => wrapper.appendChild(node));
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return wrapper;
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}
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function extendStyles(dest, source, importantProperties2) {
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for (let key in source) {
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if (source.hasOwnProperty(key)) {
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const value = source[key];
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if (value) {
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dest.setProperty(key, value, importantProperties2?.has(key) ? "important" : "");
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} else {
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dest.removeProperty(key);
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}
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}
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}
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return dest;
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}
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function toggleNativeDragInteractions(element, enable) {
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const userSelect = enable ? "" : "none";
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extendStyles(element.style, {
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"touch-action": enable ? "" : "none",
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"-webkit-user-drag": enable ? "" : "none",
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"-webkit-tap-highlight-color": enable ? "" : "transparent",
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"user-select": userSelect,
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"-ms-user-select": userSelect,
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"-webkit-user-select": userSelect,
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"-moz-user-select": userSelect
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});
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}
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function toggleVisibility(element, enable, importantProperties2) {
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extendStyles(element.style, {
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position: enable ? "" : "fixed",
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top: enable ? "" : "0",
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opacity: enable ? "" : "0",
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left: enable ? "" : "-999em"
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}, importantProperties2);
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}
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function combineTransforms(transform, initialTransform) {
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return initialTransform && initialTransform != "none" ? transform + " " + initialTransform : transform;
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}
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function matchElementSize(target, sourceRect) {
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target.style.width = `${sourceRect.width}px`;
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target.style.height = `${sourceRect.height}px`;
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target.style.transform = getTransform(sourceRect.left, sourceRect.top);
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}
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function getTransform(x, y) {
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return `translate3d(${Math.round(x)}px, ${Math.round(y)}px, 0)`;
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}
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function parseCssTimeUnitsToMs(value) {
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const multiplier = value.toLowerCase().indexOf("ms") > -1 ? 1 : 1e3;
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return parseFloat(value) * multiplier;
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}
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function getTransformTransitionDurationInMs(element) {
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const computedStyle = getComputedStyle(element);
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const transitionedProperties = parseCssPropertyValue(computedStyle, "transition-property");
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const property = transitionedProperties.find((prop) => prop === "transform" || prop === "all");
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if (!property) {
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return 0;
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}
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const propertyIndex = transitionedProperties.indexOf(property);
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const rawDurations = parseCssPropertyValue(computedStyle, "transition-duration");
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const rawDelays = parseCssPropertyValue(computedStyle, "transition-delay");
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return parseCssTimeUnitsToMs(rawDurations[propertyIndex]) + parseCssTimeUnitsToMs(rawDelays[propertyIndex]);
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}
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function parseCssPropertyValue(computedStyle, name) {
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const value = computedStyle.getPropertyValue(name);
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return value.split(",").map((part) => part.trim());
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}
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var importantProperties = /* @__PURE__ */ new Set([
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// Needs to be important, because some `mat-table` sets `position: sticky !important`. See #22781.
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"position"
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]);
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var PreviewRef = class {
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_document;
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_rootElement;
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_direction;
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_initialDomRect;
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_previewTemplate;
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_previewClass;
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_pickupPositionOnPage;
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_initialTransform;
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_zIndex;
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_renderer;
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/** Reference to the view of the preview element. */
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_previewEmbeddedView;
|
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/** Reference to the preview element. */
|
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_preview;
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get element() {
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return this._preview;
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}
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constructor(_document, _rootElement, _direction, _initialDomRect, _previewTemplate, _previewClass, _pickupPositionOnPage, _initialTransform, _zIndex, _renderer) {
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this._document = _document;
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this._rootElement = _rootElement;
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this._direction = _direction;
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this._initialDomRect = _initialDomRect;
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this._previewTemplate = _previewTemplate;
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this._previewClass = _previewClass;
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this._pickupPositionOnPage = _pickupPositionOnPage;
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this._initialTransform = _initialTransform;
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this._zIndex = _zIndex;
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this._renderer = _renderer;
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}
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attach(parent) {
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this._preview = this._createPreview();
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parent.appendChild(this._preview);
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if (supportsPopover(this._preview)) {
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this._preview["showPopover"]();
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}
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}
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destroy() {
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this._preview.remove();
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this._previewEmbeddedView?.destroy();
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this._preview = this._previewEmbeddedView = null;
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}
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setTransform(value) {
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this._preview.style.transform = value;
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}
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getBoundingClientRect() {
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return this._preview.getBoundingClientRect();
|
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}
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addClass(className) {
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this._preview.classList.add(className);
|
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}
|
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getTransitionDuration() {
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return getTransformTransitionDurationInMs(this._preview);
|
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}
|
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addEventListener(name, handler) {
|
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return this._renderer.listen(this._preview, name, handler);
|
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}
|
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_createPreview() {
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const previewConfig = this._previewTemplate;
|
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const previewClass = this._previewClass;
|
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const previewTemplate = previewConfig ? previewConfig.template : null;
|
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let preview;
|
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if (previewTemplate && previewConfig) {
|
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const rootRect = previewConfig.matchSize ? this._initialDomRect : null;
|
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const viewRef = previewConfig.viewContainer.createEmbeddedView(previewTemplate, previewConfig.context);
|
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viewRef.detectChanges();
|
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preview = getRootNode(viewRef, this._document);
|
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this._previewEmbeddedView = viewRef;
|
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if (previewConfig.matchSize) {
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matchElementSize(preview, rootRect);
|
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} else {
|
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preview.style.transform = getTransform(this._pickupPositionOnPage.x, this._pickupPositionOnPage.y);
|
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}
|
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} else {
|
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preview = deepCloneNode(this._rootElement);
|
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matchElementSize(preview, this._initialDomRect);
|
|
if (this._initialTransform) {
|
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preview.style.transform = this._initialTransform;
|
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}
|
|
}
|
|
extendStyles(preview.style, {
|
|
// It's important that we disable the pointer events on the preview, because
|
|
// it can throw off the `document.elementFromPoint` calls in the `CdkDropList`.
|
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"pointer-events": "none",
|
|
// If the preview has a margin, it can throw off our positioning so we reset it. The reset
|
|
// value for `margin-right` needs to be `auto` when opened as a popover, because our
|
|
// positioning is always top/left based, but native popover seems to position itself
|
|
// to the top/right if `<html>` or `<body>` have `dir="rtl"` (see #29604). Setting it
|
|
// to `auto` pushed it to the top/left corner in RTL and is a noop in LTR.
|
|
"margin": supportsPopover(preview) ? "0 auto 0 0" : "0",
|
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"position": "fixed",
|
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"top": "0",
|
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"left": "0",
|
|
"z-index": this._zIndex + ""
|
|
}, importantProperties);
|
|
toggleNativeDragInteractions(preview, false);
|
|
preview.classList.add("cdk-drag-preview");
|
|
preview.setAttribute("popover", "manual");
|
|
preview.setAttribute("dir", this._direction);
|
|
if (previewClass) {
|
|
if (Array.isArray(previewClass)) {
|
|
previewClass.forEach((className) => preview.classList.add(className));
|
|
} else {
|
|
preview.classList.add(previewClass);
|
|
}
|
|
}
|
|
return preview;
|
|
}
|
|
};
|
|
function supportsPopover(element) {
|
|
return "showPopover" in element;
|
|
}
|
|
var passiveEventListenerOptions = {
|
|
passive: true
|
|
};
|
|
var activeEventListenerOptions = {
|
|
passive: false
|
|
};
|
|
var activeCapturingEventOptions$1 = {
|
|
passive: false,
|
|
capture: true
|
|
};
|
|
var MOUSE_EVENT_IGNORE_TIME = 800;
|
|
var PLACEHOLDER_CLASS = "cdk-drag-placeholder";
|
|
var dragImportantProperties = /* @__PURE__ */ new Set([
|
|
// Needs to be important, because some `mat-table` sets `position: sticky !important`. See #22781.
|
|
"position"
|
|
]);
|
|
var DragRef = class {
|
|
_config;
|
|
_document;
|
|
_ngZone;
|
|
_viewportRuler;
|
|
_dragDropRegistry;
|
|
_renderer;
|
|
_rootElementCleanups;
|
|
_cleanupShadowRootSelectStart;
|
|
/** Element displayed next to the user's pointer while the element is dragged. */
|
|
_preview;
|
|
/** Container into which to insert the preview. */
|
|
_previewContainer;
|
|
/** Reference to the view of the placeholder element. */
|
|
_placeholderRef;
|
|
/** Element that is rendered instead of the draggable item while it is being sorted. */
|
|
_placeholder;
|
|
/** Coordinates within the element at which the user picked up the element. */
|
|
_pickupPositionInElement;
|
|
/** Coordinates on the page at which the user picked up the element. */
|
|
_pickupPositionOnPage;
|
|
/**
|
|
* Marker node used to save the place in the DOM where the element was
|
|
* picked up so that it can be restored at the end of the drag sequence.
|
|
*/
|
|
_marker;
|
|
/**
|
|
* Element indicating the position from which the item was picked up initially.
|
|
*/
|
|
_anchor = null;
|
|
/**
|
|
* CSS `transform` applied to the element when it isn't being dragged. We need a
|
|
* passive transform in order for the dragged element to retain its new position
|
|
* after the user has stopped dragging and because we need to know the relative
|
|
* position in case they start dragging again. This corresponds to `element.style.transform`.
|
|
*/
|
|
_passiveTransform = {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
/** CSS `transform` that is applied to the element while it's being dragged. */
|
|
_activeTransform = {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
/** Inline `transform` value that the element had before the first dragging sequence. */
|
|
_initialTransform;
|
|
/**
|
|
* Whether the dragging sequence has been started. Doesn't
|
|
* necessarily mean that the element has been moved.
|
|
*/
|
|
_hasStartedDragging = signal(false, ...ngDevMode ? [{
|
|
debugName: "_hasStartedDragging"
|
|
}] : []);
|
|
/** Whether the element has moved since the user started dragging it. */
|
|
_hasMoved;
|
|
/** Drop container in which the DragRef resided when dragging began. */
|
|
_initialContainer;
|
|
/** Index at which the item started in its initial container. */
|
|
_initialIndex;
|
|
/** Cached positions of scrollable parent elements. */
|
|
_parentPositions;
|
|
/** Emits when the item is being moved. */
|
|
_moveEvents = new Subject();
|
|
/** Keeps track of the direction in which the user is dragging along each axis. */
|
|
_pointerDirectionDelta;
|
|
/** Pointer position at which the last change in the delta occurred. */
|
|
_pointerPositionAtLastDirectionChange;
|
|
/** Position of the pointer at the last pointer event. */
|
|
_lastKnownPointerPosition;
|
|
/**
|
|
* Root DOM node of the drag instance. This is the element that will
|
|
* be moved around as the user is dragging.
|
|
*/
|
|
_rootElement;
|
|
/**
|
|
* Nearest ancestor SVG, relative to which coordinates are calculated if dragging SVGElement
|
|
*/
|
|
_ownerSVGElement;
|
|
/**
|
|
* Inline style value of `-webkit-tap-highlight-color` at the time the
|
|
* dragging was started. Used to restore the value once we're done dragging.
|
|
*/
|
|
_rootElementTapHighlight;
|
|
/** Subscription to pointer movement events. */
|
|
_pointerMoveSubscription = Subscription.EMPTY;
|
|
/** Subscription to the event that is dispatched when the user lifts their pointer. */
|
|
_pointerUpSubscription = Subscription.EMPTY;
|
|
/** Subscription to the viewport being scrolled. */
|
|
_scrollSubscription = Subscription.EMPTY;
|
|
/** Subscription to the viewport being resized. */
|
|
_resizeSubscription = Subscription.EMPTY;
|
|
/**
|
|
* Time at which the last touch event occurred. Used to avoid firing the same
|
|
* events multiple times on touch devices where the browser will fire a fake
|
|
* mouse event for each touch event, after a certain time.
|
|
*/
|
|
_lastTouchEventTime;
|
|
/** Time at which the last dragging sequence was started. */
|
|
_dragStartTime;
|
|
/** Cached reference to the boundary element. */
|
|
_boundaryElement = null;
|
|
/** Whether the native dragging interactions have been enabled on the root element. */
|
|
_nativeInteractionsEnabled = true;
|
|
/** Client rect of the root element when the dragging sequence has started. */
|
|
_initialDomRect;
|
|
/** Cached dimensions of the preview element. Should be read via `_getPreviewRect`. */
|
|
_previewRect;
|
|
/** Cached dimensions of the boundary element. */
|
|
_boundaryRect;
|
|
/** Element that will be used as a template to create the draggable item's preview. */
|
|
_previewTemplate;
|
|
/** Template for placeholder element rendered to show where a draggable would be dropped. */
|
|
_placeholderTemplate;
|
|
/** Elements that can be used to drag the draggable item. */
|
|
_handles = [];
|
|
/** Registered handles that are currently disabled. */
|
|
_disabledHandles = /* @__PURE__ */ new Set();
|
|
/** Droppable container that the draggable is a part of. */
|
|
_dropContainer;
|
|
/** Layout direction of the item. */
|
|
_direction = "ltr";
|
|
/** Ref that the current drag item is nested in. */
|
|
_parentDragRef;
|
|
/**
|
|
* Cached shadow root that the element is placed in. `null` means that the element isn't in
|
|
* the shadow DOM and `undefined` means that it hasn't been resolved yet. Should be read via
|
|
* `_getShadowRoot`, not directly.
|
|
*/
|
|
_cachedShadowRoot;
|
|
/** Axis along which dragging is locked. */
|
|
lockAxis = null;
|
|
/**
|
|
* Amount of milliseconds to wait after the user has put their
|
|
* pointer down before starting to drag the element.
|
|
*/
|
|
dragStartDelay = 0;
|
|
/** Class to be added to the preview element. */
|
|
previewClass;
|
|
/**
|
|
* If the parent of the dragged element has a `scale` transform, it can throw off the
|
|
* positioning when the user starts dragging. Use this input to notify the CDK of the scale.
|
|
*/
|
|
scale = 1;
|
|
/** Whether starting to drag this element is disabled. */
|
|
get disabled() {
|
|
return this._disabled || !!(this._dropContainer && this._dropContainer.disabled);
|
|
}
|
|
set disabled(value) {
|
|
if (value !== this._disabled) {
|
|
this._disabled = value;
|
|
this._toggleNativeDragInteractions();
|
|
this._handles.forEach((handle) => toggleNativeDragInteractions(handle, value));
|
|
}
|
|
}
|
|
_disabled = false;
|
|
/** Emits as the drag sequence is being prepared. */
|
|
beforeStarted = new Subject();
|
|
/** Emits when the user starts dragging the item. */
|
|
started = new Subject();
|
|
/** Emits when the user has released a drag item, before any animations have started. */
|
|
released = new Subject();
|
|
/** Emits when the user stops dragging an item in the container. */
|
|
ended = new Subject();
|
|
/** Emits when the user has moved the item into a new container. */
|
|
entered = new Subject();
|
|
/** Emits when the user removes the item its container by dragging it into another container. */
|
|
exited = new Subject();
|
|
/** Emits when the user drops the item inside a container. */
|
|
dropped = new Subject();
|
|
/**
|
|
* Emits as the user is dragging the item. Use with caution,
|
|
* because this event will fire for every pixel that the user has dragged.
|
|
*/
|
|
moved = this._moveEvents;
|
|
/** Arbitrary data that can be attached to the drag item. */
|
|
data;
|
|
/**
|
|
* Function that can be used to customize the logic of how the position of the drag item
|
|
* is limited while it's being dragged. Gets called with a point containing the current position
|
|
* of the user's pointer on the page, a reference to the item being dragged and its dimensions.
|
|
* Should return a point describing where the item should be rendered.
|
|
*/
|
|
constrainPosition;
|
|
constructor(element, _config, _document, _ngZone, _viewportRuler, _dragDropRegistry, _renderer) {
|
|
this._config = _config;
|
|
this._document = _document;
|
|
this._ngZone = _ngZone;
|
|
this._viewportRuler = _viewportRuler;
|
|
this._dragDropRegistry = _dragDropRegistry;
|
|
this._renderer = _renderer;
|
|
this.withRootElement(element).withParent(_config.parentDragRef || null);
|
|
this._parentPositions = new ParentPositionTracker(_document);
|
|
_dragDropRegistry.registerDragItem(this);
|
|
}
|
|
/**
|
|
* Returns the element that is being used as a placeholder
|
|
* while the current element is being dragged.
|
|
*/
|
|
getPlaceholderElement() {
|
|
return this._placeholder;
|
|
}
|
|
/** Returns the root draggable element. */
|
|
getRootElement() {
|
|
return this._rootElement;
|
|
}
|
|
/**
|
|
* Gets the currently-visible element that represents the drag item.
|
|
* While dragging this is the placeholder, otherwise it's the root element.
|
|
*/
|
|
getVisibleElement() {
|
|
return this.isDragging() ? this.getPlaceholderElement() : this.getRootElement();
|
|
}
|
|
/** Registers the handles that can be used to drag the element. */
|
|
withHandles(handles) {
|
|
this._handles = handles.map((handle) => coerceElement(handle));
|
|
this._handles.forEach((handle) => toggleNativeDragInteractions(handle, this.disabled));
|
|
this._toggleNativeDragInteractions();
|
|
const disabledHandles = /* @__PURE__ */ new Set();
|
|
this._disabledHandles.forEach((handle) => {
|
|
if (this._handles.indexOf(handle) > -1) {
|
|
disabledHandles.add(handle);
|
|
}
|
|
});
|
|
this._disabledHandles = disabledHandles;
|
|
return this;
|
|
}
|
|
/**
|
|
* Registers the template that should be used for the drag preview.
|
|
* @param template Template that from which to stamp out the preview.
|
|
*/
|
|
withPreviewTemplate(template) {
|
|
this._previewTemplate = template;
|
|
return this;
|
|
}
|
|
/**
|
|
* Registers the template that should be used for the drag placeholder.
|
|
* @param template Template that from which to stamp out the placeholder.
|
|
*/
|
|
withPlaceholderTemplate(template) {
|
|
this._placeholderTemplate = template;
|
|
return this;
|
|
}
|
|
/**
|
|
* Sets an alternate drag root element. The root element is the element that will be moved as
|
|
* the user is dragging. Passing an alternate root element is useful when trying to enable
|
|
* dragging on an element that you might not have access to.
|
|
*/
|
|
withRootElement(rootElement) {
|
|
const element = coerceElement(rootElement);
|
|
if (element !== this._rootElement) {
|
|
this._removeRootElementListeners();
|
|
const renderer = this._renderer;
|
|
this._rootElementCleanups = this._ngZone.runOutsideAngular(() => [renderer.listen(element, "mousedown", this._pointerDown, activeEventListenerOptions), renderer.listen(element, "touchstart", this._pointerDown, passiveEventListenerOptions), renderer.listen(element, "dragstart", this._nativeDragStart, activeEventListenerOptions)]);
|
|
this._initialTransform = void 0;
|
|
this._rootElement = element;
|
|
}
|
|
if (typeof SVGElement !== "undefined" && this._rootElement instanceof SVGElement) {
|
|
this._ownerSVGElement = this._rootElement.ownerSVGElement;
|
|
}
|
|
return this;
|
|
}
|
|
/**
|
|
* Element to which the draggable's position will be constrained.
|
|
*/
|
|
withBoundaryElement(boundaryElement) {
|
|
this._boundaryElement = boundaryElement ? coerceElement(boundaryElement) : null;
|
|
this._resizeSubscription.unsubscribe();
|
|
if (boundaryElement) {
|
|
this._resizeSubscription = this._viewportRuler.change(10).subscribe(() => this._containInsideBoundaryOnResize());
|
|
}
|
|
return this;
|
|
}
|
|
/** Sets the parent ref that the ref is nested in. */
|
|
withParent(parent) {
|
|
this._parentDragRef = parent;
|
|
return this;
|
|
}
|
|
/** Removes the dragging functionality from the DOM element. */
|
|
dispose() {
|
|
this._removeRootElementListeners();
|
|
if (this.isDragging()) {
|
|
this._rootElement?.remove();
|
|
}
|
|
this._marker?.remove();
|
|
this._destroyPreview();
|
|
this._destroyPlaceholder();
|
|
this._dragDropRegistry.removeDragItem(this);
|
|
this._removeListeners();
|
|
this.beforeStarted.complete();
|
|
this.started.complete();
|
|
this.released.complete();
|
|
this.ended.complete();
|
|
this.entered.complete();
|
|
this.exited.complete();
|
|
this.dropped.complete();
|
|
this._moveEvents.complete();
|
|
this._handles = [];
|
|
this._disabledHandles.clear();
|
|
this._dropContainer = void 0;
|
|
this._resizeSubscription.unsubscribe();
|
|
this._parentPositions.clear();
|
|
this._boundaryElement = this._rootElement = this._ownerSVGElement = this._placeholderTemplate = this._previewTemplate = this._marker = this._parentDragRef = null;
|
|
}
|
|
/** Checks whether the element is currently being dragged. */
|
|
isDragging() {
|
|
return this._hasStartedDragging() && this._dragDropRegistry.isDragging(this);
|
|
}
|
|
/** Resets a standalone drag item to its initial position. */
|
|
reset() {
|
|
this._rootElement.style.transform = this._initialTransform || "";
|
|
this._activeTransform = {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
this._passiveTransform = {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
}
|
|
/** Resets drag item to end of boundary element. */
|
|
resetToBoundary() {
|
|
if (
|
|
// can be null if the drag item was never dragged.
|
|
this._boundaryElement && this._rootElement && // check if we are overflowing off our boundary element
|
|
isOverflowingParent(this._boundaryElement.getBoundingClientRect(), this._rootElement.getBoundingClientRect())
|
|
) {
|
|
const parentRect = this._boundaryElement.getBoundingClientRect();
|
|
const childRect = this._rootElement.getBoundingClientRect();
|
|
let offsetX = 0;
|
|
let offsetY = 0;
|
|
if (childRect.left < parentRect.left) {
|
|
offsetX = parentRect.left - childRect.left;
|
|
} else if (childRect.right > parentRect.right) {
|
|
offsetX = parentRect.right - childRect.right;
|
|
}
|
|
if (childRect.top < parentRect.top) {
|
|
offsetY = parentRect.top - childRect.top;
|
|
} else if (childRect.bottom > parentRect.bottom) {
|
|
offsetY = parentRect.bottom - childRect.bottom;
|
|
}
|
|
const currentLeft = this._activeTransform.x;
|
|
const currentTop = this._activeTransform.y;
|
|
let x = currentLeft + offsetX, y = currentTop + offsetY;
|
|
this._rootElement.style.transform = getTransform(x, y);
|
|
this._activeTransform = {
|
|
x,
|
|
y
|
|
};
|
|
this._passiveTransform = {
|
|
x,
|
|
y
|
|
};
|
|
}
|
|
}
|
|
/**
|
|
* Sets a handle as disabled. While a handle is disabled, it'll capture and interrupt dragging.
|
|
* @param handle Handle element that should be disabled.
|
|
*/
|
|
disableHandle(handle) {
|
|
if (!this._disabledHandles.has(handle) && this._handles.indexOf(handle) > -1) {
|
|
this._disabledHandles.add(handle);
|
|
toggleNativeDragInteractions(handle, true);
|
|
}
|
|
}
|
|
/**
|
|
* Enables a handle, if it has been disabled.
|
|
* @param handle Handle element to be enabled.
|
|
*/
|
|
enableHandle(handle) {
|
|
if (this._disabledHandles.has(handle)) {
|
|
this._disabledHandles.delete(handle);
|
|
toggleNativeDragInteractions(handle, this.disabled);
|
|
}
|
|
}
|
|
/** Sets the layout direction of the draggable item. */
|
|
withDirection(direction) {
|
|
this._direction = direction;
|
|
return this;
|
|
}
|
|
/** Sets the container that the item is part of. */
|
|
_withDropContainer(container) {
|
|
this._dropContainer = container;
|
|
}
|
|
/**
|
|
* Gets the current position in pixels the draggable outside of a drop container.
|
|
*/
|
|
getFreeDragPosition() {
|
|
const position = this.isDragging() ? this._activeTransform : this._passiveTransform;
|
|
return {
|
|
x: position.x,
|
|
y: position.y
|
|
};
|
|
}
|
|
/**
|
|
* Sets the current position in pixels the draggable outside of a drop container.
|
|
* @param value New position to be set.
|
|
*/
|
|
setFreeDragPosition(value) {
|
|
this._activeTransform = {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
this._passiveTransform.x = value.x;
|
|
this._passiveTransform.y = value.y;
|
|
if (!this._dropContainer) {
|
|
this._applyRootElementTransform(value.x, value.y);
|
|
}
|
|
return this;
|
|
}
|
|
/**
|
|
* Sets the container into which to insert the preview element.
|
|
* @param value Container into which to insert the preview.
|
|
*/
|
|
withPreviewContainer(value) {
|
|
this._previewContainer = value;
|
|
return this;
|
|
}
|
|
/** Updates the item's sort order based on the last-known pointer position. */
|
|
_sortFromLastPointerPosition() {
|
|
const position = this._lastKnownPointerPosition;
|
|
if (position && this._dropContainer) {
|
|
this._updateActiveDropContainer(this._getConstrainedPointerPosition(position), position);
|
|
}
|
|
}
|
|
/** Unsubscribes from the global subscriptions. */
|
|
_removeListeners() {
|
|
this._pointerMoveSubscription.unsubscribe();
|
|
this._pointerUpSubscription.unsubscribe();
|
|
this._scrollSubscription.unsubscribe();
|
|
this._cleanupShadowRootSelectStart?.();
|
|
this._cleanupShadowRootSelectStart = void 0;
|
|
}
|
|
/** Destroys the preview element and its ViewRef. */
|
|
_destroyPreview() {
|
|
this._preview?.destroy();
|
|
this._preview = null;
|
|
}
|
|
/** Destroys the placeholder element and its ViewRef. */
|
|
_destroyPlaceholder() {
|
|
this._anchor?.remove();
|
|
this._placeholder?.remove();
|
|
this._placeholderRef?.destroy();
|
|
this._placeholder = this._anchor = this._placeholderRef = null;
|
|
}
|
|
/** Handler for the `mousedown`/`touchstart` events. */
|
|
_pointerDown = (event) => {
|
|
this.beforeStarted.next();
|
|
if (this._handles.length) {
|
|
const targetHandle = this._getTargetHandle(event);
|
|
if (targetHandle && !this._disabledHandles.has(targetHandle) && !this.disabled) {
|
|
this._initializeDragSequence(targetHandle, event);
|
|
}
|
|
} else if (!this.disabled) {
|
|
this._initializeDragSequence(this._rootElement, event);
|
|
}
|
|
};
|
|
/** Handler that is invoked when the user moves their pointer after they've initiated a drag. */
|
|
_pointerMove = (event) => {
|
|
const pointerPosition = this._getPointerPositionOnPage(event);
|
|
if (!this._hasStartedDragging()) {
|
|
const distanceX = Math.abs(pointerPosition.x - this._pickupPositionOnPage.x);
|
|
const distanceY = Math.abs(pointerPosition.y - this._pickupPositionOnPage.y);
|
|
const isOverThreshold = distanceX + distanceY >= this._config.dragStartThreshold;
|
|
if (isOverThreshold) {
|
|
const isDelayElapsed = Date.now() >= this._dragStartTime + this._getDragStartDelay(event);
|
|
const container = this._dropContainer;
|
|
if (!isDelayElapsed) {
|
|
this._endDragSequence(event);
|
|
return;
|
|
}
|
|
if (!container || !container.isDragging() && !container.isReceiving()) {
|
|
if (event.cancelable) {
|
|
event.preventDefault();
|
|
}
|
|
this._hasStartedDragging.set(true);
|
|
this._ngZone.run(() => this._startDragSequence(event));
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
if (event.cancelable) {
|
|
event.preventDefault();
|
|
}
|
|
const constrainedPointerPosition = this._getConstrainedPointerPosition(pointerPosition);
|
|
this._hasMoved = true;
|
|
this._lastKnownPointerPosition = pointerPosition;
|
|
this._updatePointerDirectionDelta(constrainedPointerPosition);
|
|
if (this._dropContainer) {
|
|
this._updateActiveDropContainer(constrainedPointerPosition, pointerPosition);
|
|
} else {
|
|
const offset = this.constrainPosition ? this._initialDomRect : this._pickupPositionOnPage;
|
|
const activeTransform = this._activeTransform;
|
|
activeTransform.x = constrainedPointerPosition.x - offset.x + this._passiveTransform.x;
|
|
activeTransform.y = constrainedPointerPosition.y - offset.y + this._passiveTransform.y;
|
|
this._applyRootElementTransform(activeTransform.x, activeTransform.y);
|
|
}
|
|
if (this._moveEvents.observers.length) {
|
|
this._ngZone.run(() => {
|
|
this._moveEvents.next({
|
|
source: this,
|
|
pointerPosition: constrainedPointerPosition,
|
|
event,
|
|
distance: this._getDragDistance(constrainedPointerPosition),
|
|
delta: this._pointerDirectionDelta
|
|
});
|
|
});
|
|
}
|
|
};
|
|
/** Handler that is invoked when the user lifts their pointer up, after initiating a drag. */
|
|
_pointerUp = (event) => {
|
|
this._endDragSequence(event);
|
|
};
|
|
/**
|
|
* Clears subscriptions and stops the dragging sequence.
|
|
* @param event Browser event object that ended the sequence.
|
|
*/
|
|
_endDragSequence(event) {
|
|
if (!this._dragDropRegistry.isDragging(this)) {
|
|
return;
|
|
}
|
|
this._removeListeners();
|
|
this._dragDropRegistry.stopDragging(this);
|
|
this._toggleNativeDragInteractions();
|
|
if (this._handles) {
|
|
this._rootElement.style.webkitTapHighlightColor = this._rootElementTapHighlight;
|
|
}
|
|
if (!this._hasStartedDragging()) {
|
|
return;
|
|
}
|
|
this.released.next({
|
|
source: this,
|
|
event
|
|
});
|
|
if (this._dropContainer) {
|
|
this._dropContainer._stopScrolling();
|
|
this._animatePreviewToPlaceholder().then(() => {
|
|
this._cleanupDragArtifacts(event);
|
|
this._cleanupCachedDimensions();
|
|
this._dragDropRegistry.stopDragging(this);
|
|
});
|
|
} else {
|
|
this._passiveTransform.x = this._activeTransform.x;
|
|
const pointerPosition = this._getPointerPositionOnPage(event);
|
|
this._passiveTransform.y = this._activeTransform.y;
|
|
this._ngZone.run(() => {
|
|
this.ended.next({
|
|
source: this,
|
|
distance: this._getDragDistance(pointerPosition),
|
|
dropPoint: pointerPosition,
|
|
event
|
|
});
|
|
});
|
|
this._cleanupCachedDimensions();
|
|
this._dragDropRegistry.stopDragging(this);
|
|
}
|
|
}
|
|
/** Starts the dragging sequence. */
|
|
_startDragSequence(event) {
|
|
if (isTouchEvent(event)) {
|
|
this._lastTouchEventTime = Date.now();
|
|
}
|
|
this._toggleNativeDragInteractions();
|
|
const shadowRoot = this._getShadowRoot();
|
|
const dropContainer = this._dropContainer;
|
|
if (shadowRoot) {
|
|
this._ngZone.runOutsideAngular(() => {
|
|
this._cleanupShadowRootSelectStart = this._renderer.listen(shadowRoot, "selectstart", shadowDomSelectStart, activeCapturingEventOptions$1);
|
|
});
|
|
}
|
|
if (dropContainer) {
|
|
const element = this._rootElement;
|
|
const parent = element.parentNode;
|
|
const placeholder = this._placeholder = this._createPlaceholderElement();
|
|
const marker = this._marker = this._marker || this._document.createComment(typeof ngDevMode === "undefined" || ngDevMode ? "cdk-drag-marker" : "");
|
|
parent.insertBefore(marker, element);
|
|
this._initialTransform = element.style.transform || "";
|
|
this._preview = new PreviewRef(this._document, this._rootElement, this._direction, this._initialDomRect, this._previewTemplate || null, this.previewClass || null, this._pickupPositionOnPage, this._initialTransform, this._config.zIndex || 1e3, this._renderer);
|
|
this._preview.attach(this._getPreviewInsertionPoint(parent, shadowRoot));
|
|
toggleVisibility(element, false, dragImportantProperties);
|
|
this._document.body.appendChild(parent.replaceChild(placeholder, element));
|
|
this.started.next({
|
|
source: this,
|
|
event
|
|
});
|
|
dropContainer.start();
|
|
this._initialContainer = dropContainer;
|
|
this._initialIndex = dropContainer.getItemIndex(this);
|
|
} else {
|
|
this.started.next({
|
|
source: this,
|
|
event
|
|
});
|
|
this._initialContainer = this._initialIndex = void 0;
|
|
}
|
|
this._parentPositions.cache(dropContainer ? dropContainer.getScrollableParents() : []);
|
|
}
|
|
/**
|
|
* Sets up the different variables and subscriptions
|
|
* that will be necessary for the dragging sequence.
|
|
* @param referenceElement Element that started the drag sequence.
|
|
* @param event Browser event object that started the sequence.
|
|
*/
|
|
_initializeDragSequence(referenceElement, event) {
|
|
if (this._parentDragRef) {
|
|
event.stopPropagation();
|
|
}
|
|
const isDragging = this.isDragging();
|
|
const isTouchSequence = isTouchEvent(event);
|
|
const isAuxiliaryMouseButton = !isTouchSequence && event.button !== 0;
|
|
const rootElement = this._rootElement;
|
|
const target = _getEventTarget(event);
|
|
const isSyntheticEvent = !isTouchSequence && this._lastTouchEventTime && this._lastTouchEventTime + MOUSE_EVENT_IGNORE_TIME > Date.now();
|
|
const isFakeEvent = isTouchSequence ? isFakeTouchstartFromScreenReader(event) : isFakeMousedownFromScreenReader(event);
|
|
if (target && target.draggable && event.type === "mousedown") {
|
|
event.preventDefault();
|
|
}
|
|
if (isDragging || isAuxiliaryMouseButton || isSyntheticEvent || isFakeEvent) {
|
|
return;
|
|
}
|
|
if (this._handles.length) {
|
|
const rootStyles = rootElement.style;
|
|
this._rootElementTapHighlight = rootStyles.webkitTapHighlightColor || "";
|
|
rootStyles.webkitTapHighlightColor = "transparent";
|
|
}
|
|
this._hasMoved = false;
|
|
this._hasStartedDragging.set(this._hasMoved);
|
|
this._removeListeners();
|
|
this._initialDomRect = this._rootElement.getBoundingClientRect();
|
|
this._pointerMoveSubscription = this._dragDropRegistry.pointerMove.subscribe(this._pointerMove);
|
|
this._pointerUpSubscription = this._dragDropRegistry.pointerUp.subscribe(this._pointerUp);
|
|
this._scrollSubscription = this._dragDropRegistry.scrolled(this._getShadowRoot()).subscribe((scrollEvent) => this._updateOnScroll(scrollEvent));
|
|
if (this._boundaryElement) {
|
|
this._boundaryRect = getMutableClientRect(this._boundaryElement);
|
|
}
|
|
const previewTemplate = this._previewTemplate;
|
|
this._pickupPositionInElement = previewTemplate && previewTemplate.template && !previewTemplate.matchSize ? {
|
|
x: 0,
|
|
y: 0
|
|
} : this._getPointerPositionInElement(this._initialDomRect, referenceElement, event);
|
|
const pointerPosition = this._pickupPositionOnPage = this._lastKnownPointerPosition = this._getPointerPositionOnPage(event);
|
|
this._pointerDirectionDelta = {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
this._pointerPositionAtLastDirectionChange = {
|
|
x: pointerPosition.x,
|
|
y: pointerPosition.y
|
|
};
|
|
this._dragStartTime = Date.now();
|
|
this._dragDropRegistry.startDragging(this, event);
|
|
}
|
|
/** Cleans up the DOM artifacts that were added to facilitate the element being dragged. */
|
|
_cleanupDragArtifacts(event) {
|
|
toggleVisibility(this._rootElement, true, dragImportantProperties);
|
|
this._marker.parentNode.replaceChild(this._rootElement, this._marker);
|
|
this._destroyPreview();
|
|
this._destroyPlaceholder();
|
|
this._initialDomRect = this._boundaryRect = this._previewRect = this._initialTransform = void 0;
|
|
this._ngZone.run(() => {
|
|
const container = this._dropContainer;
|
|
const currentIndex = container.getItemIndex(this);
|
|
const pointerPosition = this._getPointerPositionOnPage(event);
|
|
const distance = this._getDragDistance(pointerPosition);
|
|
const isPointerOverContainer = container._isOverContainer(pointerPosition.x, pointerPosition.y);
|
|
this.ended.next({
|
|
source: this,
|
|
distance,
|
|
dropPoint: pointerPosition,
|
|
event
|
|
});
|
|
this.dropped.next({
|
|
item: this,
|
|
currentIndex,
|
|
previousIndex: this._initialIndex,
|
|
container,
|
|
previousContainer: this._initialContainer,
|
|
isPointerOverContainer,
|
|
distance,
|
|
dropPoint: pointerPosition,
|
|
event
|
|
});
|
|
container.drop(this, currentIndex, this._initialIndex, this._initialContainer, isPointerOverContainer, distance, pointerPosition, event);
|
|
this._dropContainer = this._initialContainer;
|
|
});
|
|
}
|
|
/**
|
|
* Updates the item's position in its drop container, or moves it
|
|
* into a new one, depending on its current drag position.
|
|
*/
|
|
_updateActiveDropContainer({
|
|
x,
|
|
y
|
|
}, {
|
|
x: rawX,
|
|
y: rawY
|
|
}) {
|
|
let newContainer = this._initialContainer._getSiblingContainerFromPosition(this, x, y);
|
|
if (!newContainer && this._dropContainer !== this._initialContainer && this._initialContainer._isOverContainer(x, y)) {
|
|
newContainer = this._initialContainer;
|
|
}
|
|
if (newContainer && newContainer !== this._dropContainer) {
|
|
this._ngZone.run(() => {
|
|
const exitIndex = this._dropContainer.getItemIndex(this);
|
|
const nextItemElement = this._dropContainer.getItemAtIndex(exitIndex + 1)?.getVisibleElement() || null;
|
|
this.exited.next({
|
|
item: this,
|
|
container: this._dropContainer
|
|
});
|
|
this._dropContainer.exit(this);
|
|
this._conditionallyInsertAnchor(newContainer, this._dropContainer, nextItemElement);
|
|
this._dropContainer = newContainer;
|
|
this._dropContainer.enter(
|
|
this,
|
|
x,
|
|
y,
|
|
// If we're re-entering the initial container and sorting is disabled,
|
|
// put item the into its starting index to begin with.
|
|
newContainer === this._initialContainer && newContainer.sortingDisabled ? this._initialIndex : void 0
|
|
);
|
|
this.entered.next({
|
|
item: this,
|
|
container: newContainer,
|
|
currentIndex: newContainer.getItemIndex(this)
|
|
});
|
|
});
|
|
}
|
|
if (this.isDragging()) {
|
|
this._dropContainer._startScrollingIfNecessary(rawX, rawY);
|
|
this._dropContainer._sortItem(this, x, y, this._pointerDirectionDelta);
|
|
if (this.constrainPosition) {
|
|
this._applyPreviewTransform(x, y);
|
|
} else {
|
|
this._applyPreviewTransform(x - this._pickupPositionInElement.x, y - this._pickupPositionInElement.y);
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Animates the preview element from its current position to the location of the drop placeholder.
|
|
* @returns Promise that resolves when the animation completes.
|
|
*/
|
|
_animatePreviewToPlaceholder() {
|
|
if (!this._hasMoved) {
|
|
return Promise.resolve();
|
|
}
|
|
const placeholderRect = this._placeholder.getBoundingClientRect();
|
|
this._preview.addClass("cdk-drag-animating");
|
|
this._applyPreviewTransform(placeholderRect.left, placeholderRect.top);
|
|
const duration = this._preview.getTransitionDuration();
|
|
if (duration === 0) {
|
|
return Promise.resolve();
|
|
}
|
|
return this._ngZone.runOutsideAngular(() => {
|
|
return new Promise((resolve) => {
|
|
const handler = (event) => {
|
|
if (!event || this._preview && _getEventTarget(event) === this._preview.element && event.propertyName === "transform") {
|
|
cleanupListener();
|
|
resolve();
|
|
clearTimeout(timeout);
|
|
}
|
|
};
|
|
const timeout = setTimeout(handler, duration * 1.5);
|
|
const cleanupListener = this._preview.addEventListener("transitionend", handler);
|
|
});
|
|
});
|
|
}
|
|
/** Creates an element that will be shown instead of the current element while dragging. */
|
|
_createPlaceholderElement() {
|
|
const placeholderConfig = this._placeholderTemplate;
|
|
const placeholderTemplate = placeholderConfig ? placeholderConfig.template : null;
|
|
let placeholder;
|
|
if (placeholderTemplate) {
|
|
this._placeholderRef = placeholderConfig.viewContainer.createEmbeddedView(placeholderTemplate, placeholderConfig.context);
|
|
this._placeholderRef.detectChanges();
|
|
placeholder = getRootNode(this._placeholderRef, this._document);
|
|
} else {
|
|
placeholder = deepCloneNode(this._rootElement);
|
|
}
|
|
placeholder.style.pointerEvents = "none";
|
|
placeholder.classList.add(PLACEHOLDER_CLASS);
|
|
return placeholder;
|
|
}
|
|
/**
|
|
* Figures out the coordinates at which an element was picked up.
|
|
* @param referenceElement Element that initiated the dragging.
|
|
* @param event Event that initiated the dragging.
|
|
*/
|
|
_getPointerPositionInElement(elementRect, referenceElement, event) {
|
|
const handleElement = referenceElement === this._rootElement ? null : referenceElement;
|
|
const referenceRect = handleElement ? handleElement.getBoundingClientRect() : elementRect;
|
|
const point = isTouchEvent(event) ? event.targetTouches[0] : event;
|
|
const scrollPosition = this._getViewportScrollPosition();
|
|
const x = point.pageX - referenceRect.left - scrollPosition.left;
|
|
const y = point.pageY - referenceRect.top - scrollPosition.top;
|
|
return {
|
|
x: referenceRect.left - elementRect.left + x,
|
|
y: referenceRect.top - elementRect.top + y
|
|
};
|
|
}
|
|
/** Determines the point of the page that was touched by the user. */
|
|
_getPointerPositionOnPage(event) {
|
|
const scrollPosition = this._getViewportScrollPosition();
|
|
const point = isTouchEvent(event) ? (
|
|
// `touches` will be empty for start/end events so we have to fall back to `changedTouches`.
|
|
// Also note that on real devices we're guaranteed for either `touches` or `changedTouches`
|
|
// to have a value, but Firefox in device emulation mode has a bug where both can be empty
|
|
// for `touchstart` and `touchend` so we fall back to a dummy object in order to avoid
|
|
// throwing an error. The value returned here will be incorrect, but since this only
|
|
// breaks inside a developer tool and the value is only used for secondary information,
|
|
// we can get away with it. See https://bugzilla.mozilla.org/show_bug.cgi?id=1615824.
|
|
event.touches[0] || event.changedTouches[0] || {
|
|
pageX: 0,
|
|
pageY: 0
|
|
}
|
|
) : event;
|
|
const x = point.pageX - scrollPosition.left;
|
|
const y = point.pageY - scrollPosition.top;
|
|
if (this._ownerSVGElement) {
|
|
const svgMatrix = this._ownerSVGElement.getScreenCTM();
|
|
if (svgMatrix) {
|
|
const svgPoint = this._ownerSVGElement.createSVGPoint();
|
|
svgPoint.x = x;
|
|
svgPoint.y = y;
|
|
return svgPoint.matrixTransform(svgMatrix.inverse());
|
|
}
|
|
}
|
|
return {
|
|
x,
|
|
y
|
|
};
|
|
}
|
|
/** Gets the pointer position on the page, accounting for any position constraints. */
|
|
_getConstrainedPointerPosition(point) {
|
|
const dropContainerLock = this._dropContainer ? this._dropContainer.lockAxis : null;
|
|
let {
|
|
x,
|
|
y
|
|
} = this.constrainPosition ? this.constrainPosition(point, this, this._initialDomRect, this._pickupPositionInElement) : point;
|
|
if (this.lockAxis === "x" || dropContainerLock === "x") {
|
|
y = this._pickupPositionOnPage.y - (this.constrainPosition ? this._pickupPositionInElement.y : 0);
|
|
} else if (this.lockAxis === "y" || dropContainerLock === "y") {
|
|
x = this._pickupPositionOnPage.x - (this.constrainPosition ? this._pickupPositionInElement.x : 0);
|
|
}
|
|
if (this._boundaryRect) {
|
|
const {
|
|
x: pickupX,
|
|
y: pickupY
|
|
} = !this.constrainPosition ? this._pickupPositionInElement : {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
const boundaryRect = this._boundaryRect;
|
|
const {
|
|
width: previewWidth,
|
|
height: previewHeight
|
|
} = this._getPreviewRect();
|
|
const minY = boundaryRect.top + pickupY;
|
|
const maxY = boundaryRect.bottom - (previewHeight - pickupY);
|
|
const minX = boundaryRect.left + pickupX;
|
|
const maxX = boundaryRect.right - (previewWidth - pickupX);
|
|
x = clamp$1(x, minX, maxX);
|
|
y = clamp$1(y, minY, maxY);
|
|
}
|
|
return {
|
|
x,
|
|
y
|
|
};
|
|
}
|
|
/** Updates the current drag delta, based on the user's current pointer position on the page. */
|
|
_updatePointerDirectionDelta(pointerPositionOnPage) {
|
|
const {
|
|
x,
|
|
y
|
|
} = pointerPositionOnPage;
|
|
const delta = this._pointerDirectionDelta;
|
|
const positionSinceLastChange = this._pointerPositionAtLastDirectionChange;
|
|
const changeX = Math.abs(x - positionSinceLastChange.x);
|
|
const changeY = Math.abs(y - positionSinceLastChange.y);
|
|
if (changeX > this._config.pointerDirectionChangeThreshold) {
|
|
delta.x = x > positionSinceLastChange.x ? 1 : -1;
|
|
positionSinceLastChange.x = x;
|
|
}
|
|
if (changeY > this._config.pointerDirectionChangeThreshold) {
|
|
delta.y = y > positionSinceLastChange.y ? 1 : -1;
|
|
positionSinceLastChange.y = y;
|
|
}
|
|
return delta;
|
|
}
|
|
/** Toggles the native drag interactions, based on how many handles are registered. */
|
|
_toggleNativeDragInteractions() {
|
|
if (!this._rootElement || !this._handles) {
|
|
return;
|
|
}
|
|
const shouldEnable = this._handles.length > 0 || !this.isDragging();
|
|
if (shouldEnable !== this._nativeInteractionsEnabled) {
|
|
this._nativeInteractionsEnabled = shouldEnable;
|
|
toggleNativeDragInteractions(this._rootElement, shouldEnable);
|
|
}
|
|
}
|
|
/** Removes the manually-added event listeners from the root element. */
|
|
_removeRootElementListeners() {
|
|
this._rootElementCleanups?.forEach((cleanup) => cleanup());
|
|
this._rootElementCleanups = void 0;
|
|
}
|
|
/**
|
|
* Applies a `transform` to the root element, taking into account any existing transforms on it.
|
|
* @param x New transform value along the X axis.
|
|
* @param y New transform value along the Y axis.
|
|
*/
|
|
_applyRootElementTransform(x, y) {
|
|
const scale = 1 / this.scale;
|
|
const transform = getTransform(x * scale, y * scale);
|
|
const styles = this._rootElement.style;
|
|
if (this._initialTransform == null) {
|
|
this._initialTransform = styles.transform && styles.transform != "none" ? styles.transform : "";
|
|
}
|
|
styles.transform = combineTransforms(transform, this._initialTransform);
|
|
}
|
|
/**
|
|
* Applies a `transform` to the preview, taking into account any existing transforms on it.
|
|
* @param x New transform value along the X axis.
|
|
* @param y New transform value along the Y axis.
|
|
*/
|
|
_applyPreviewTransform(x, y) {
|
|
const initialTransform = this._previewTemplate?.template ? void 0 : this._initialTransform;
|
|
const transform = getTransform(x, y);
|
|
this._preview.setTransform(combineTransforms(transform, initialTransform));
|
|
}
|
|
/**
|
|
* Gets the distance that the user has dragged during the current drag sequence.
|
|
* @param currentPosition Current position of the user's pointer.
|
|
*/
|
|
_getDragDistance(currentPosition) {
|
|
const pickupPosition = this._pickupPositionOnPage;
|
|
if (pickupPosition) {
|
|
return {
|
|
x: currentPosition.x - pickupPosition.x,
|
|
y: currentPosition.y - pickupPosition.y
|
|
};
|
|
}
|
|
return {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
}
|
|
/** Cleans up any cached element dimensions that we don't need after dragging has stopped. */
|
|
_cleanupCachedDimensions() {
|
|
this._boundaryRect = this._previewRect = void 0;
|
|
this._parentPositions.clear();
|
|
}
|
|
/**
|
|
* Checks whether the element is still inside its boundary after the viewport has been resized.
|
|
* If not, the position is adjusted so that the element fits again.
|
|
*/
|
|
_containInsideBoundaryOnResize() {
|
|
let {
|
|
x,
|
|
y
|
|
} = this._passiveTransform;
|
|
if (x === 0 && y === 0 || this.isDragging() || !this._boundaryElement) {
|
|
return;
|
|
}
|
|
const elementRect = this._rootElement.getBoundingClientRect();
|
|
const boundaryRect = this._boundaryElement.getBoundingClientRect();
|
|
if (boundaryRect.width === 0 && boundaryRect.height === 0 || elementRect.width === 0 && elementRect.height === 0) {
|
|
return;
|
|
}
|
|
const leftOverflow = boundaryRect.left - elementRect.left;
|
|
const rightOverflow = elementRect.right - boundaryRect.right;
|
|
const topOverflow = boundaryRect.top - elementRect.top;
|
|
const bottomOverflow = elementRect.bottom - boundaryRect.bottom;
|
|
if (boundaryRect.width > elementRect.width) {
|
|
if (leftOverflow > 0) {
|
|
x += leftOverflow;
|
|
}
|
|
if (rightOverflow > 0) {
|
|
x -= rightOverflow;
|
|
}
|
|
} else {
|
|
x = 0;
|
|
}
|
|
if (boundaryRect.height > elementRect.height) {
|
|
if (topOverflow > 0) {
|
|
y += topOverflow;
|
|
}
|
|
if (bottomOverflow > 0) {
|
|
y -= bottomOverflow;
|
|
}
|
|
} else {
|
|
y = 0;
|
|
}
|
|
if (x !== this._passiveTransform.x || y !== this._passiveTransform.y) {
|
|
this.setFreeDragPosition({
|
|
y,
|
|
x
|
|
});
|
|
}
|
|
}
|
|
/** Gets the drag start delay, based on the event type. */
|
|
_getDragStartDelay(event) {
|
|
const value = this.dragStartDelay;
|
|
if (typeof value === "number") {
|
|
return value;
|
|
} else if (isTouchEvent(event)) {
|
|
return value.touch;
|
|
}
|
|
return value ? value.mouse : 0;
|
|
}
|
|
/** Updates the internal state of the draggable element when scrolling has occurred. */
|
|
_updateOnScroll(event) {
|
|
const scrollDifference = this._parentPositions.handleScroll(event);
|
|
if (scrollDifference) {
|
|
const target = _getEventTarget(event);
|
|
if (this._boundaryRect && target !== this._boundaryElement && target.contains(this._boundaryElement)) {
|
|
adjustDomRect(this._boundaryRect, scrollDifference.top, scrollDifference.left);
|
|
}
|
|
this._pickupPositionOnPage.x += scrollDifference.left;
|
|
this._pickupPositionOnPage.y += scrollDifference.top;
|
|
if (!this._dropContainer) {
|
|
this._activeTransform.x -= scrollDifference.left;
|
|
this._activeTransform.y -= scrollDifference.top;
|
|
this._applyRootElementTransform(this._activeTransform.x, this._activeTransform.y);
|
|
}
|
|
}
|
|
}
|
|
/** Gets the scroll position of the viewport. */
|
|
_getViewportScrollPosition() {
|
|
return this._parentPositions.positions.get(this._document)?.scrollPosition || this._parentPositions.getViewportScrollPosition();
|
|
}
|
|
/**
|
|
* Lazily resolves and returns the shadow root of the element. We do this in a function, rather
|
|
* than saving it in property directly on init, because we want to resolve it as late as possible
|
|
* in order to ensure that the element has been moved into the shadow DOM. Doing it inside the
|
|
* constructor might be too early if the element is inside of something like `ngFor` or `ngIf`.
|
|
*/
|
|
_getShadowRoot() {
|
|
if (this._cachedShadowRoot === void 0) {
|
|
this._cachedShadowRoot = _getShadowRoot(this._rootElement);
|
|
}
|
|
return this._cachedShadowRoot;
|
|
}
|
|
/** Gets the element into which the drag preview should be inserted. */
|
|
_getPreviewInsertionPoint(initialParent, shadowRoot) {
|
|
const previewContainer = this._previewContainer || "global";
|
|
if (previewContainer === "parent") {
|
|
return initialParent;
|
|
}
|
|
if (previewContainer === "global") {
|
|
const documentRef = this._document;
|
|
return shadowRoot || documentRef.fullscreenElement || documentRef.webkitFullscreenElement || documentRef.mozFullScreenElement || documentRef.msFullscreenElement || documentRef.body;
|
|
}
|
|
return coerceElement(previewContainer);
|
|
}
|
|
/** Lazily resolves and returns the dimensions of the preview. */
|
|
_getPreviewRect() {
|
|
if (!this._previewRect || !this._previewRect.width && !this._previewRect.height) {
|
|
this._previewRect = this._preview ? this._preview.getBoundingClientRect() : this._initialDomRect;
|
|
}
|
|
return this._previewRect;
|
|
}
|
|
/** Handles a native `dragstart` event. */
|
|
_nativeDragStart = (event) => {
|
|
if (this._handles.length) {
|
|
const targetHandle = this._getTargetHandle(event);
|
|
if (targetHandle && !this._disabledHandles.has(targetHandle) && !this.disabled) {
|
|
event.preventDefault();
|
|
}
|
|
} else if (!this.disabled) {
|
|
event.preventDefault();
|
|
}
|
|
};
|
|
/** Gets a handle that is the target of an event. */
|
|
_getTargetHandle(event) {
|
|
return this._handles.find((handle) => {
|
|
return event.target && (event.target === handle || handle.contains(event.target));
|
|
});
|
|
}
|
|
/** Inserts the anchor element, if it's valid. */
|
|
_conditionallyInsertAnchor(newContainer, exitContainer, nextItemElement) {
|
|
if (newContainer === this._initialContainer) {
|
|
this._anchor?.remove();
|
|
this._anchor = null;
|
|
} else if (exitContainer === this._initialContainer && exitContainer.hasAnchor) {
|
|
const anchor = this._anchor ??= deepCloneNode(this._placeholder);
|
|
anchor.classList.remove(PLACEHOLDER_CLASS);
|
|
anchor.classList.add("cdk-drag-anchor");
|
|
anchor.style.transform = "";
|
|
if (nextItemElement) {
|
|
nextItemElement.before(anchor);
|
|
} else {
|
|
coerceElement(exitContainer.element).appendChild(anchor);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
function clamp$1(value, min, max) {
|
|
return Math.max(min, Math.min(max, value));
|
|
}
|
|
function isTouchEvent(event) {
|
|
return event.type[0] === "t";
|
|
}
|
|
function shadowDomSelectStart(event) {
|
|
event.preventDefault();
|
|
}
|
|
function moveItemInArray(array, fromIndex, toIndex) {
|
|
const from = clamp(fromIndex, array.length - 1);
|
|
const to = clamp(toIndex, array.length - 1);
|
|
if (from === to) {
|
|
return;
|
|
}
|
|
const target = array[from];
|
|
const delta = to < from ? -1 : 1;
|
|
for (let i = from; i !== to; i += delta) {
|
|
array[i] = array[i + delta];
|
|
}
|
|
array[to] = target;
|
|
}
|
|
function transferArrayItem(currentArray, targetArray, currentIndex, targetIndex) {
|
|
const from = clamp(currentIndex, currentArray.length - 1);
|
|
const to = clamp(targetIndex, targetArray.length);
|
|
if (currentArray.length) {
|
|
targetArray.splice(to, 0, currentArray.splice(from, 1)[0]);
|
|
}
|
|
}
|
|
function copyArrayItem(currentArray, targetArray, currentIndex, targetIndex) {
|
|
const to = clamp(targetIndex, targetArray.length);
|
|
if (currentArray.length) {
|
|
targetArray.splice(to, 0, currentArray[currentIndex]);
|
|
}
|
|
}
|
|
function clamp(value, max) {
|
|
return Math.max(0, Math.min(max, value));
|
|
}
|
|
var SingleAxisSortStrategy = class {
|
|
_dragDropRegistry;
|
|
/** Root element container of the drop list. */
|
|
_element;
|
|
/** Function used to determine if an item can be sorted into a specific index. */
|
|
_sortPredicate;
|
|
/** Cache of the dimensions of all the items inside the container. */
|
|
_itemPositions = [];
|
|
/**
|
|
* Draggable items that are currently active inside the container. Includes the items
|
|
* that were there at the start of the sequence, as well as any items that have been dragged
|
|
* in, but haven't been dropped yet.
|
|
*/
|
|
_activeDraggables;
|
|
/** Direction in which the list is oriented. */
|
|
orientation = "vertical";
|
|
/** Layout direction of the drop list. */
|
|
direction;
|
|
constructor(_dragDropRegistry) {
|
|
this._dragDropRegistry = _dragDropRegistry;
|
|
}
|
|
/**
|
|
* Keeps track of the item that was last swapped with the dragged item, as well as what direction
|
|
* the pointer was moving in when the swap occurred and whether the user's pointer continued to
|
|
* overlap with the swapped item after the swapping occurred.
|
|
*/
|
|
_previousSwap = {
|
|
drag: null,
|
|
delta: 0,
|
|
overlaps: false
|
|
};
|
|
/**
|
|
* To be called when the drag sequence starts.
|
|
* @param items Items that are currently in the list.
|
|
*/
|
|
start(items) {
|
|
this.withItems(items);
|
|
}
|
|
/**
|
|
* To be called when an item is being sorted.
|
|
* @param item Item to be sorted.
|
|
* @param pointerX Position of the item along the X axis.
|
|
* @param pointerY Position of the item along the Y axis.
|
|
* @param pointerDelta Direction in which the pointer is moving along each axis.
|
|
*/
|
|
sort(item, pointerX, pointerY, pointerDelta) {
|
|
const siblings = this._itemPositions;
|
|
const newIndex = this._getItemIndexFromPointerPosition(item, pointerX, pointerY, pointerDelta);
|
|
if (newIndex === -1 && siblings.length > 0) {
|
|
return null;
|
|
}
|
|
const isHorizontal = this.orientation === "horizontal";
|
|
const currentIndex = siblings.findIndex((currentItem) => currentItem.drag === item);
|
|
const siblingAtNewPosition = siblings[newIndex];
|
|
const currentPosition = siblings[currentIndex].clientRect;
|
|
const newPosition = siblingAtNewPosition.clientRect;
|
|
const delta = currentIndex > newIndex ? 1 : -1;
|
|
const itemOffset = this._getItemOffsetPx(currentPosition, newPosition, delta);
|
|
const siblingOffset = this._getSiblingOffsetPx(currentIndex, siblings, delta);
|
|
const oldOrder = siblings.slice();
|
|
moveItemInArray(siblings, currentIndex, newIndex);
|
|
siblings.forEach((sibling, index) => {
|
|
if (oldOrder[index] === sibling) {
|
|
return;
|
|
}
|
|
const isDraggedItem = sibling.drag === item;
|
|
const offset = isDraggedItem ? itemOffset : siblingOffset;
|
|
const elementToOffset = isDraggedItem ? item.getPlaceholderElement() : sibling.drag.getRootElement();
|
|
sibling.offset += offset;
|
|
const transformAmount = Math.round(sibling.offset * (1 / sibling.drag.scale));
|
|
if (isHorizontal) {
|
|
elementToOffset.style.transform = combineTransforms(`translate3d(${transformAmount}px, 0, 0)`, sibling.initialTransform);
|
|
adjustDomRect(sibling.clientRect, 0, offset);
|
|
} else {
|
|
elementToOffset.style.transform = combineTransforms(`translate3d(0, ${transformAmount}px, 0)`, sibling.initialTransform);
|
|
adjustDomRect(sibling.clientRect, offset, 0);
|
|
}
|
|
});
|
|
this._previousSwap.overlaps = isInsideClientRect(newPosition, pointerX, pointerY);
|
|
this._previousSwap.drag = siblingAtNewPosition.drag;
|
|
this._previousSwap.delta = isHorizontal ? pointerDelta.x : pointerDelta.y;
|
|
return {
|
|
previousIndex: currentIndex,
|
|
currentIndex: newIndex
|
|
};
|
|
}
|
|
/**
|
|
* Called when an item is being moved into the container.
|
|
* @param item Item that was moved into the container.
|
|
* @param pointerX Position of the item along the X axis.
|
|
* @param pointerY Position of the item along the Y axis.
|
|
* @param index Index at which the item entered. If omitted, the container will try to figure it
|
|
* out automatically.
|
|
*/
|
|
enter(item, pointerX, pointerY, index) {
|
|
const newIndex = index == null || index < 0 ? (
|
|
// We use the coordinates of where the item entered the drop
|
|
// zone to figure out at which index it should be inserted.
|
|
this._getItemIndexFromPointerPosition(item, pointerX, pointerY)
|
|
) : index;
|
|
const activeDraggables = this._activeDraggables;
|
|
const currentIndex = activeDraggables.indexOf(item);
|
|
const placeholder = item.getPlaceholderElement();
|
|
let newPositionReference = activeDraggables[newIndex];
|
|
if (newPositionReference === item) {
|
|
newPositionReference = activeDraggables[newIndex + 1];
|
|
}
|
|
if (!newPositionReference && (newIndex == null || newIndex === -1 || newIndex < activeDraggables.length - 1) && this._shouldEnterAsFirstChild(pointerX, pointerY)) {
|
|
newPositionReference = activeDraggables[0];
|
|
}
|
|
if (currentIndex > -1) {
|
|
activeDraggables.splice(currentIndex, 1);
|
|
}
|
|
if (newPositionReference && !this._dragDropRegistry.isDragging(newPositionReference)) {
|
|
const element = newPositionReference.getRootElement();
|
|
element.parentElement.insertBefore(placeholder, element);
|
|
activeDraggables.splice(newIndex, 0, item);
|
|
} else {
|
|
this._element.appendChild(placeholder);
|
|
activeDraggables.push(item);
|
|
}
|
|
placeholder.style.transform = "";
|
|
this._cacheItemPositions();
|
|
}
|
|
/** Sets the items that are currently part of the list. */
|
|
withItems(items) {
|
|
this._activeDraggables = items.slice();
|
|
this._cacheItemPositions();
|
|
}
|
|
/** Assigns a sort predicate to the strategy. */
|
|
withSortPredicate(predicate) {
|
|
this._sortPredicate = predicate;
|
|
}
|
|
/** Resets the strategy to its initial state before dragging was started. */
|
|
reset() {
|
|
this._activeDraggables?.forEach((item) => {
|
|
const rootElement = item.getRootElement();
|
|
if (rootElement) {
|
|
const initialTransform = this._itemPositions.find((p) => p.drag === item)?.initialTransform;
|
|
rootElement.style.transform = initialTransform || "";
|
|
}
|
|
});
|
|
this._itemPositions = [];
|
|
this._activeDraggables = [];
|
|
this._previousSwap.drag = null;
|
|
this._previousSwap.delta = 0;
|
|
this._previousSwap.overlaps = false;
|
|
}
|
|
/**
|
|
* Gets a snapshot of items currently in the list.
|
|
* Can include items that we dragged in from another list.
|
|
*/
|
|
getActiveItemsSnapshot() {
|
|
return this._activeDraggables;
|
|
}
|
|
/** Gets the index of a specific item. */
|
|
getItemIndex(item) {
|
|
return this._getVisualItemPositions().findIndex((currentItem) => currentItem.drag === item);
|
|
}
|
|
/** Gets the item at a specific index. */
|
|
getItemAtIndex(index) {
|
|
return this._getVisualItemPositions()[index]?.drag || null;
|
|
}
|
|
/** Used to notify the strategy that the scroll position has changed. */
|
|
updateOnScroll(topDifference, leftDifference) {
|
|
this._itemPositions.forEach(({
|
|
clientRect
|
|
}) => {
|
|
adjustDomRect(clientRect, topDifference, leftDifference);
|
|
});
|
|
this._itemPositions.forEach(({
|
|
drag
|
|
}) => {
|
|
if (this._dragDropRegistry.isDragging(drag)) {
|
|
drag._sortFromLastPointerPosition();
|
|
}
|
|
});
|
|
}
|
|
withElementContainer(container) {
|
|
this._element = container;
|
|
}
|
|
/** Refreshes the position cache of the items and sibling containers. */
|
|
_cacheItemPositions() {
|
|
const isHorizontal = this.orientation === "horizontal";
|
|
this._itemPositions = this._activeDraggables.map((drag) => {
|
|
const elementToMeasure = drag.getVisibleElement();
|
|
return {
|
|
drag,
|
|
offset: 0,
|
|
initialTransform: elementToMeasure.style.transform || "",
|
|
clientRect: getMutableClientRect(elementToMeasure)
|
|
};
|
|
}).sort((a, b) => {
|
|
return isHorizontal ? a.clientRect.left - b.clientRect.left : a.clientRect.top - b.clientRect.top;
|
|
});
|
|
}
|
|
_getVisualItemPositions() {
|
|
return this.orientation === "horizontal" && this.direction === "rtl" ? this._itemPositions.slice().reverse() : this._itemPositions;
|
|
}
|
|
/**
|
|
* Gets the offset in pixels by which the item that is being dragged should be moved.
|
|
* @param currentPosition Current position of the item.
|
|
* @param newPosition Position of the item where the current item should be moved.
|
|
* @param delta Direction in which the user is moving.
|
|
*/
|
|
_getItemOffsetPx(currentPosition, newPosition, delta) {
|
|
const isHorizontal = this.orientation === "horizontal";
|
|
let itemOffset = isHorizontal ? newPosition.left - currentPosition.left : newPosition.top - currentPosition.top;
|
|
if (delta === -1) {
|
|
itemOffset += isHorizontal ? newPosition.width - currentPosition.width : newPosition.height - currentPosition.height;
|
|
}
|
|
return itemOffset;
|
|
}
|
|
/**
|
|
* Gets the offset in pixels by which the items that aren't being dragged should be moved.
|
|
* @param currentIndex Index of the item currently being dragged.
|
|
* @param siblings All of the items in the list.
|
|
* @param delta Direction in which the user is moving.
|
|
*/
|
|
_getSiblingOffsetPx(currentIndex, siblings, delta) {
|
|
const isHorizontal = this.orientation === "horizontal";
|
|
const currentPosition = siblings[currentIndex].clientRect;
|
|
const immediateSibling = siblings[currentIndex + delta * -1];
|
|
let siblingOffset = currentPosition[isHorizontal ? "width" : "height"] * delta;
|
|
if (immediateSibling) {
|
|
const start = isHorizontal ? "left" : "top";
|
|
const end = isHorizontal ? "right" : "bottom";
|
|
if (delta === -1) {
|
|
siblingOffset -= immediateSibling.clientRect[start] - currentPosition[end];
|
|
} else {
|
|
siblingOffset += currentPosition[start] - immediateSibling.clientRect[end];
|
|
}
|
|
}
|
|
return siblingOffset;
|
|
}
|
|
/**
|
|
* Checks if pointer is entering in the first position
|
|
* @param pointerX Position of the user's pointer along the X axis.
|
|
* @param pointerY Position of the user's pointer along the Y axis.
|
|
*/
|
|
_shouldEnterAsFirstChild(pointerX, pointerY) {
|
|
if (!this._activeDraggables.length) {
|
|
return false;
|
|
}
|
|
const itemPositions = this._itemPositions;
|
|
const isHorizontal = this.orientation === "horizontal";
|
|
const reversed = itemPositions[0].drag !== this._activeDraggables[0];
|
|
if (reversed) {
|
|
const lastItemRect = itemPositions[itemPositions.length - 1].clientRect;
|
|
return isHorizontal ? pointerX >= lastItemRect.right : pointerY >= lastItemRect.bottom;
|
|
} else {
|
|
const firstItemRect = itemPositions[0].clientRect;
|
|
return isHorizontal ? pointerX <= firstItemRect.left : pointerY <= firstItemRect.top;
|
|
}
|
|
}
|
|
/**
|
|
* Gets the index of an item in the drop container, based on the position of the user's pointer.
|
|
* @param item Item that is being sorted.
|
|
* @param pointerX Position of the user's pointer along the X axis.
|
|
* @param pointerY Position of the user's pointer along the Y axis.
|
|
* @param delta Direction in which the user is moving their pointer.
|
|
*/
|
|
_getItemIndexFromPointerPosition(item, pointerX, pointerY, delta) {
|
|
const isHorizontal = this.orientation === "horizontal";
|
|
const index = this._itemPositions.findIndex(({
|
|
drag,
|
|
clientRect
|
|
}) => {
|
|
if (drag === item) {
|
|
return false;
|
|
}
|
|
if (delta) {
|
|
const direction = isHorizontal ? delta.x : delta.y;
|
|
if (drag === this._previousSwap.drag && this._previousSwap.overlaps && direction === this._previousSwap.delta) {
|
|
return false;
|
|
}
|
|
}
|
|
return isHorizontal ? (
|
|
// Round these down since most browsers report client rects with
|
|
// sub-pixel precision, whereas the pointer coordinates are rounded to pixels.
|
|
pointerX >= Math.floor(clientRect.left) && pointerX < Math.floor(clientRect.right)
|
|
) : pointerY >= Math.floor(clientRect.top) && pointerY < Math.floor(clientRect.bottom);
|
|
});
|
|
return index === -1 || !this._sortPredicate(index, item) ? -1 : index;
|
|
}
|
|
};
|
|
var MixedSortStrategy = class {
|
|
_document;
|
|
_dragDropRegistry;
|
|
/** Root element container of the drop list. */
|
|
_element;
|
|
/** Function used to determine if an item can be sorted into a specific index. */
|
|
_sortPredicate;
|
|
/** Lazily-resolved root node containing the list. Use `_getRootNode` to read this. */
|
|
_rootNode;
|
|
/**
|
|
* Draggable items that are currently active inside the container. Includes the items
|
|
* that were there at the start of the sequence, as well as any items that have been dragged
|
|
* in, but haven't been dropped yet.
|
|
*/
|
|
_activeItems;
|
|
/**
|
|
* Keeps track of the item that was last swapped with the dragged item, as well as what direction
|
|
* the pointer was moving in when the swap occurred and whether the user's pointer continued to
|
|
* overlap with the swapped item after the swapping occurred.
|
|
*/
|
|
_previousSwap = {
|
|
drag: null,
|
|
deltaX: 0,
|
|
deltaY: 0,
|
|
overlaps: false
|
|
};
|
|
/**
|
|
* Keeps track of the relationship between a node and its next sibling. This information
|
|
* is used to restore the DOM to the order it was in before dragging started.
|
|
*/
|
|
_relatedNodes = [];
|
|
constructor(_document, _dragDropRegistry) {
|
|
this._document = _document;
|
|
this._dragDropRegistry = _dragDropRegistry;
|
|
}
|
|
/**
|
|
* To be called when the drag sequence starts.
|
|
* @param items Items that are currently in the list.
|
|
*/
|
|
start(items) {
|
|
const childNodes = this._element.childNodes;
|
|
this._relatedNodes = [];
|
|
for (let i = 0; i < childNodes.length; i++) {
|
|
const node = childNodes[i];
|
|
this._relatedNodes.push([node, node.nextSibling]);
|
|
}
|
|
this.withItems(items);
|
|
}
|
|
/**
|
|
* To be called when an item is being sorted.
|
|
* @param item Item to be sorted.
|
|
* @param pointerX Position of the item along the X axis.
|
|
* @param pointerY Position of the item along the Y axis.
|
|
* @param pointerDelta Direction in which the pointer is moving along each axis.
|
|
*/
|
|
sort(item, pointerX, pointerY, pointerDelta) {
|
|
const newIndex = this._getItemIndexFromPointerPosition(item, pointerX, pointerY);
|
|
const previousSwap = this._previousSwap;
|
|
if (newIndex === -1 || this._activeItems[newIndex] === item) {
|
|
return null;
|
|
}
|
|
const toSwapWith = this._activeItems[newIndex];
|
|
if (previousSwap.drag === toSwapWith && previousSwap.overlaps && previousSwap.deltaX === pointerDelta.x && previousSwap.deltaY === pointerDelta.y) {
|
|
return null;
|
|
}
|
|
const previousIndex = this.getItemIndex(item);
|
|
const current = item.getPlaceholderElement();
|
|
const overlapElement = toSwapWith.getRootElement();
|
|
if (newIndex > previousIndex) {
|
|
overlapElement.after(current);
|
|
} else {
|
|
overlapElement.before(current);
|
|
}
|
|
moveItemInArray(this._activeItems, previousIndex, newIndex);
|
|
const newOverlapElement = this._getRootNode().elementFromPoint(pointerX, pointerY);
|
|
previousSwap.deltaX = pointerDelta.x;
|
|
previousSwap.deltaY = pointerDelta.y;
|
|
previousSwap.drag = toSwapWith;
|
|
previousSwap.overlaps = overlapElement === newOverlapElement || overlapElement.contains(newOverlapElement);
|
|
return {
|
|
previousIndex,
|
|
currentIndex: newIndex
|
|
};
|
|
}
|
|
/**
|
|
* Called when an item is being moved into the container.
|
|
* @param item Item that was moved into the container.
|
|
* @param pointerX Position of the item along the X axis.
|
|
* @param pointerY Position of the item along the Y axis.
|
|
* @param index Index at which the item entered. If omitted, the container will try to figure it
|
|
* out automatically.
|
|
*/
|
|
enter(item, pointerX, pointerY, index) {
|
|
const currentIndex = this._activeItems.indexOf(item);
|
|
if (currentIndex > -1) {
|
|
this._activeItems.splice(currentIndex, 1);
|
|
}
|
|
let enterIndex = index == null || index < 0 ? this._getItemIndexFromPointerPosition(item, pointerX, pointerY) : index;
|
|
if (enterIndex === -1) {
|
|
enterIndex = this._getClosestItemIndexToPointer(item, pointerX, pointerY);
|
|
}
|
|
const targetItem = this._activeItems[enterIndex];
|
|
if (targetItem && !this._dragDropRegistry.isDragging(targetItem)) {
|
|
this._activeItems.splice(enterIndex, 0, item);
|
|
targetItem.getRootElement().before(item.getPlaceholderElement());
|
|
} else {
|
|
this._activeItems.push(item);
|
|
this._element.appendChild(item.getPlaceholderElement());
|
|
}
|
|
}
|
|
/** Sets the items that are currently part of the list. */
|
|
withItems(items) {
|
|
this._activeItems = items.slice();
|
|
}
|
|
/** Assigns a sort predicate to the strategy. */
|
|
withSortPredicate(predicate) {
|
|
this._sortPredicate = predicate;
|
|
}
|
|
/** Resets the strategy to its initial state before dragging was started. */
|
|
reset() {
|
|
const root = this._element;
|
|
const previousSwap = this._previousSwap;
|
|
for (let i = this._relatedNodes.length - 1; i > -1; i--) {
|
|
const [node, nextSibling] = this._relatedNodes[i];
|
|
if (node.parentNode === root && node.nextSibling !== nextSibling) {
|
|
if (nextSibling === null) {
|
|
root.appendChild(node);
|
|
} else if (nextSibling.parentNode === root) {
|
|
root.insertBefore(node, nextSibling);
|
|
}
|
|
}
|
|
}
|
|
this._relatedNodes = [];
|
|
this._activeItems = [];
|
|
previousSwap.drag = null;
|
|
previousSwap.deltaX = previousSwap.deltaY = 0;
|
|
previousSwap.overlaps = false;
|
|
}
|
|
/**
|
|
* Gets a snapshot of items currently in the list.
|
|
* Can include items that we dragged in from another list.
|
|
*/
|
|
getActiveItemsSnapshot() {
|
|
return this._activeItems;
|
|
}
|
|
/** Gets the index of a specific item. */
|
|
getItemIndex(item) {
|
|
return this._activeItems.indexOf(item);
|
|
}
|
|
/** Gets the item at a specific index. */
|
|
getItemAtIndex(index) {
|
|
return this._activeItems[index] || null;
|
|
}
|
|
/** Used to notify the strategy that the scroll position has changed. */
|
|
updateOnScroll() {
|
|
this._activeItems.forEach((item) => {
|
|
if (this._dragDropRegistry.isDragging(item)) {
|
|
item._sortFromLastPointerPosition();
|
|
}
|
|
});
|
|
}
|
|
withElementContainer(container) {
|
|
if (container !== this._element) {
|
|
this._element = container;
|
|
this._rootNode = void 0;
|
|
}
|
|
}
|
|
/**
|
|
* Gets the index of an item in the drop container, based on the position of the user's pointer.
|
|
* @param item Item that is being sorted.
|
|
* @param pointerX Position of the user's pointer along the X axis.
|
|
* @param pointerY Position of the user's pointer along the Y axis.
|
|
* @param delta Direction in which the user is moving their pointer.
|
|
*/
|
|
_getItemIndexFromPointerPosition(item, pointerX, pointerY) {
|
|
const elementAtPoint = this._getRootNode().elementFromPoint(Math.floor(pointerX), Math.floor(pointerY));
|
|
const index = elementAtPoint ? this._activeItems.findIndex((item2) => {
|
|
const root = item2.getRootElement();
|
|
return elementAtPoint === root || root.contains(elementAtPoint);
|
|
}) : -1;
|
|
return index === -1 || !this._sortPredicate(index, item) ? -1 : index;
|
|
}
|
|
/** Lazily resolves the list's root node. */
|
|
_getRootNode() {
|
|
if (!this._rootNode) {
|
|
this._rootNode = _getShadowRoot(this._element) || this._document;
|
|
}
|
|
return this._rootNode;
|
|
}
|
|
/**
|
|
* Finds the index of the item that's closest to the item being dragged.
|
|
* @param item Item being dragged.
|
|
* @param pointerX Position of the user's pointer along the X axis.
|
|
* @param pointerY Position of the user's pointer along the Y axis.
|
|
*/
|
|
_getClosestItemIndexToPointer(item, pointerX, pointerY) {
|
|
if (this._activeItems.length === 0) {
|
|
return -1;
|
|
}
|
|
if (this._activeItems.length === 1) {
|
|
return 0;
|
|
}
|
|
let minDistance = Infinity;
|
|
let minIndex = -1;
|
|
for (let i = 0; i < this._activeItems.length; i++) {
|
|
const current = this._activeItems[i];
|
|
if (current !== item) {
|
|
const {
|
|
x,
|
|
y
|
|
} = current.getRootElement().getBoundingClientRect();
|
|
const distance = Math.hypot(pointerX - x, pointerY - y);
|
|
if (distance < minDistance) {
|
|
minDistance = distance;
|
|
minIndex = i;
|
|
}
|
|
}
|
|
}
|
|
return minIndex;
|
|
}
|
|
};
|
|
var DROP_PROXIMITY_THRESHOLD = 0.05;
|
|
var SCROLL_PROXIMITY_THRESHOLD = 0.05;
|
|
var AutoScrollVerticalDirection;
|
|
(function(AutoScrollVerticalDirection2) {
|
|
AutoScrollVerticalDirection2[AutoScrollVerticalDirection2["NONE"] = 0] = "NONE";
|
|
AutoScrollVerticalDirection2[AutoScrollVerticalDirection2["UP"] = 1] = "UP";
|
|
AutoScrollVerticalDirection2[AutoScrollVerticalDirection2["DOWN"] = 2] = "DOWN";
|
|
})(AutoScrollVerticalDirection || (AutoScrollVerticalDirection = {}));
|
|
var AutoScrollHorizontalDirection;
|
|
(function(AutoScrollHorizontalDirection2) {
|
|
AutoScrollHorizontalDirection2[AutoScrollHorizontalDirection2["NONE"] = 0] = "NONE";
|
|
AutoScrollHorizontalDirection2[AutoScrollHorizontalDirection2["LEFT"] = 1] = "LEFT";
|
|
AutoScrollHorizontalDirection2[AutoScrollHorizontalDirection2["RIGHT"] = 2] = "RIGHT";
|
|
})(AutoScrollHorizontalDirection || (AutoScrollHorizontalDirection = {}));
|
|
var DropListRef = class {
|
|
_dragDropRegistry;
|
|
_ngZone;
|
|
_viewportRuler;
|
|
/** Element that the drop list is attached to. */
|
|
element;
|
|
/** Whether starting a dragging sequence from this container is disabled. */
|
|
disabled = false;
|
|
/** Whether sorting items within the list is disabled. */
|
|
sortingDisabled = false;
|
|
/** Locks the position of the draggable elements inside the container along the specified axis. */
|
|
lockAxis = null;
|
|
/**
|
|
* Whether auto-scrolling the view when the user
|
|
* moves their pointer close to the edges is disabled.
|
|
*/
|
|
autoScrollDisabled = false;
|
|
/** Number of pixels to scroll for each frame when auto-scrolling an element. */
|
|
autoScrollStep = 2;
|
|
/**
|
|
* Whether the items in the list should leave an anchor node when leaving the initial container.
|
|
*/
|
|
hasAnchor = false;
|
|
/**
|
|
* Function that is used to determine whether an item
|
|
* is allowed to be moved into a drop container.
|
|
*/
|
|
enterPredicate = () => true;
|
|
/** Function that is used to determine whether an item can be sorted into a particular index. */
|
|
sortPredicate = () => true;
|
|
/** Emits right before dragging has started. */
|
|
beforeStarted = new Subject();
|
|
/**
|
|
* Emits when the user has moved a new drag item into this container.
|
|
*/
|
|
entered = new Subject();
|
|
/**
|
|
* Emits when the user removes an item from the container
|
|
* by dragging it into another container.
|
|
*/
|
|
exited = new Subject();
|
|
/** Emits when the user drops an item inside the container. */
|
|
dropped = new Subject();
|
|
/** Emits as the user is swapping items while actively dragging. */
|
|
sorted = new Subject();
|
|
/** Emits when a dragging sequence is started in a list connected to the current one. */
|
|
receivingStarted = new Subject();
|
|
/** Emits when a dragging sequence is stopped from a list connected to the current one. */
|
|
receivingStopped = new Subject();
|
|
/** Arbitrary data that can be attached to the drop list. */
|
|
data;
|
|
/** Element that is the direct parent of the drag items. */
|
|
_container;
|
|
/** Whether an item in the list is being dragged. */
|
|
_isDragging = false;
|
|
/** Keeps track of the positions of any parent scrollable elements. */
|
|
_parentPositions;
|
|
/** Strategy being used to sort items within the list. */
|
|
_sortStrategy;
|
|
/** Cached `DOMRect` of the drop list. */
|
|
_domRect;
|
|
/** Draggable items in the container. */
|
|
_draggables = [];
|
|
/** Drop lists that are connected to the current one. */
|
|
_siblings = [];
|
|
/** Connected siblings that currently have a dragged item. */
|
|
_activeSiblings = /* @__PURE__ */ new Set();
|
|
/** Subscription to the window being scrolled. */
|
|
_viewportScrollSubscription = Subscription.EMPTY;
|
|
/** Vertical direction in which the list is currently scrolling. */
|
|
_verticalScrollDirection = AutoScrollVerticalDirection.NONE;
|
|
/** Horizontal direction in which the list is currently scrolling. */
|
|
_horizontalScrollDirection = AutoScrollHorizontalDirection.NONE;
|
|
/** Node that is being auto-scrolled. */
|
|
_scrollNode;
|
|
/** Used to signal to the current auto-scroll sequence when to stop. */
|
|
_stopScrollTimers = new Subject();
|
|
/** Shadow root of the current element. Necessary for `elementFromPoint` to resolve correctly. */
|
|
_cachedShadowRoot = null;
|
|
/** Reference to the document. */
|
|
_document;
|
|
/** Elements that can be scrolled while the user is dragging. */
|
|
_scrollableElements = [];
|
|
/** Initial value for the element's `scroll-snap-type` style. */
|
|
_initialScrollSnap;
|
|
/** Direction of the list's layout. */
|
|
_direction = "ltr";
|
|
constructor(element, _dragDropRegistry, _document, _ngZone, _viewportRuler) {
|
|
this._dragDropRegistry = _dragDropRegistry;
|
|
this._ngZone = _ngZone;
|
|
this._viewportRuler = _viewportRuler;
|
|
const coercedElement = this.element = coerceElement(element);
|
|
this._document = _document;
|
|
this.withOrientation("vertical").withElementContainer(coercedElement);
|
|
_dragDropRegistry.registerDropContainer(this);
|
|
this._parentPositions = new ParentPositionTracker(_document);
|
|
}
|
|
/** Removes the drop list functionality from the DOM element. */
|
|
dispose() {
|
|
this._stopScrolling();
|
|
this._stopScrollTimers.complete();
|
|
this._viewportScrollSubscription.unsubscribe();
|
|
this.beforeStarted.complete();
|
|
this.entered.complete();
|
|
this.exited.complete();
|
|
this.dropped.complete();
|
|
this.sorted.complete();
|
|
this.receivingStarted.complete();
|
|
this.receivingStopped.complete();
|
|
this._activeSiblings.clear();
|
|
this._scrollNode = null;
|
|
this._parentPositions.clear();
|
|
this._dragDropRegistry.removeDropContainer(this);
|
|
}
|
|
/** Whether an item from this list is currently being dragged. */
|
|
isDragging() {
|
|
return this._isDragging;
|
|
}
|
|
/** Starts dragging an item. */
|
|
start() {
|
|
this._draggingStarted();
|
|
this._notifyReceivingSiblings();
|
|
}
|
|
/**
|
|
* Attempts to move an item into the container.
|
|
* @param item Item that was moved into the container.
|
|
* @param pointerX Position of the item along the X axis.
|
|
* @param pointerY Position of the item along the Y axis.
|
|
* @param index Index at which the item entered. If omitted, the container will try to figure it
|
|
* out automatically.
|
|
*/
|
|
enter(item, pointerX, pointerY, index) {
|
|
this._draggingStarted();
|
|
if (index == null && this.sortingDisabled) {
|
|
index = this._draggables.indexOf(item);
|
|
}
|
|
this._sortStrategy.enter(item, pointerX, pointerY, index);
|
|
this._cacheParentPositions();
|
|
this._notifyReceivingSiblings();
|
|
this.entered.next({
|
|
item,
|
|
container: this,
|
|
currentIndex: this.getItemIndex(item)
|
|
});
|
|
}
|
|
/**
|
|
* Removes an item from the container after it was dragged into another container by the user.
|
|
* @param item Item that was dragged out.
|
|
*/
|
|
exit(item) {
|
|
this._reset();
|
|
this.exited.next({
|
|
item,
|
|
container: this
|
|
});
|
|
}
|
|
/**
|
|
* Drops an item into this container.
|
|
* @param item Item being dropped into the container.
|
|
* @param currentIndex Index at which the item should be inserted.
|
|
* @param previousIndex Index of the item when dragging started.
|
|
* @param previousContainer Container from which the item got dragged in.
|
|
* @param isPointerOverContainer Whether the user's pointer was over the
|
|
* container when the item was dropped.
|
|
* @param distance Distance the user has dragged since the start of the dragging sequence.
|
|
* @param event Event that triggered the dropping sequence.
|
|
*
|
|
* @breaking-change 15.0.0 `previousIndex` and `event` parameters to become required.
|
|
*/
|
|
drop(item, currentIndex, previousIndex, previousContainer, isPointerOverContainer, distance, dropPoint, event = {}) {
|
|
this._reset();
|
|
this.dropped.next({
|
|
item,
|
|
currentIndex,
|
|
previousIndex,
|
|
container: this,
|
|
previousContainer,
|
|
isPointerOverContainer,
|
|
distance,
|
|
dropPoint,
|
|
event
|
|
});
|
|
}
|
|
/**
|
|
* Sets the draggable items that are a part of this list.
|
|
* @param items Items that are a part of this list.
|
|
*/
|
|
withItems(items) {
|
|
const previousItems = this._draggables;
|
|
this._draggables = items;
|
|
items.forEach((item) => item._withDropContainer(this));
|
|
if (this.isDragging()) {
|
|
const draggedItems = previousItems.filter((item) => item.isDragging());
|
|
if (draggedItems.every((item) => items.indexOf(item) === -1)) {
|
|
this._reset();
|
|
} else {
|
|
this._sortStrategy.withItems(this._draggables);
|
|
}
|
|
}
|
|
return this;
|
|
}
|
|
/** Sets the layout direction of the drop list. */
|
|
withDirection(direction) {
|
|
this._direction = direction;
|
|
if (this._sortStrategy instanceof SingleAxisSortStrategy) {
|
|
this._sortStrategy.direction = direction;
|
|
}
|
|
return this;
|
|
}
|
|
/**
|
|
* Sets the containers that are connected to this one. When two or more containers are
|
|
* connected, the user will be allowed to transfer items between them.
|
|
* @param connectedTo Other containers that the current containers should be connected to.
|
|
*/
|
|
connectedTo(connectedTo) {
|
|
this._siblings = connectedTo.slice();
|
|
return this;
|
|
}
|
|
/**
|
|
* Sets the orientation of the container.
|
|
* @param orientation New orientation for the container.
|
|
*/
|
|
withOrientation(orientation) {
|
|
if (orientation === "mixed") {
|
|
this._sortStrategy = new MixedSortStrategy(this._document, this._dragDropRegistry);
|
|
} else {
|
|
const strategy = new SingleAxisSortStrategy(this._dragDropRegistry);
|
|
strategy.direction = this._direction;
|
|
strategy.orientation = orientation;
|
|
this._sortStrategy = strategy;
|
|
}
|
|
this._sortStrategy.withElementContainer(this._container);
|
|
this._sortStrategy.withSortPredicate((index, item) => this.sortPredicate(index, item, this));
|
|
return this;
|
|
}
|
|
/**
|
|
* Sets which parent elements are can be scrolled while the user is dragging.
|
|
* @param elements Elements that can be scrolled.
|
|
*/
|
|
withScrollableParents(elements) {
|
|
const element = this._container;
|
|
this._scrollableElements = elements.indexOf(element) === -1 ? [element, ...elements] : elements.slice();
|
|
return this;
|
|
}
|
|
/**
|
|
* Configures the drop list so that a different element is used as the container for the
|
|
* dragged items. This is useful for the cases when one might not have control over the
|
|
* full DOM that sets up the dragging.
|
|
* Note that the alternate container needs to be a descendant of the drop list.
|
|
* @param container New element container to be assigned.
|
|
*/
|
|
withElementContainer(container) {
|
|
if (container === this._container) {
|
|
return this;
|
|
}
|
|
const element = coerceElement(this.element);
|
|
if ((typeof ngDevMode === "undefined" || ngDevMode) && container !== element && !element.contains(container)) {
|
|
throw new Error("Invalid DOM structure for drop list. Alternate container element must be a descendant of the drop list.");
|
|
}
|
|
const oldContainerIndex = this._scrollableElements.indexOf(this._container);
|
|
const newContainerIndex = this._scrollableElements.indexOf(container);
|
|
if (oldContainerIndex > -1) {
|
|
this._scrollableElements.splice(oldContainerIndex, 1);
|
|
}
|
|
if (newContainerIndex > -1) {
|
|
this._scrollableElements.splice(newContainerIndex, 1);
|
|
}
|
|
if (this._sortStrategy) {
|
|
this._sortStrategy.withElementContainer(container);
|
|
}
|
|
this._cachedShadowRoot = null;
|
|
this._scrollableElements.unshift(container);
|
|
this._container = container;
|
|
return this;
|
|
}
|
|
/** Gets the scrollable parents that are registered with this drop container. */
|
|
getScrollableParents() {
|
|
return this._scrollableElements;
|
|
}
|
|
/**
|
|
* Figures out the index of an item in the container.
|
|
* @param item Item whose index should be determined.
|
|
*/
|
|
getItemIndex(item) {
|
|
return this._isDragging ? this._sortStrategy.getItemIndex(item) : this._draggables.indexOf(item);
|
|
}
|
|
/**
|
|
* Gets the item at a specific index.
|
|
* @param index Index at which to retrieve the item.
|
|
*/
|
|
getItemAtIndex(index) {
|
|
return this._isDragging ? this._sortStrategy.getItemAtIndex(index) : this._draggables[index] || null;
|
|
}
|
|
/**
|
|
* Whether the list is able to receive the item that
|
|
* is currently being dragged inside a connected drop list.
|
|
*/
|
|
isReceiving() {
|
|
return this._activeSiblings.size > 0;
|
|
}
|
|
/**
|
|
* Sorts an item inside the container based on its position.
|
|
* @param item Item to be sorted.
|
|
* @param pointerX Position of the item along the X axis.
|
|
* @param pointerY Position of the item along the Y axis.
|
|
* @param pointerDelta Direction in which the pointer is moving along each axis.
|
|
*/
|
|
_sortItem(item, pointerX, pointerY, pointerDelta) {
|
|
if (this.sortingDisabled || !this._domRect || !isPointerNearDomRect(this._domRect, DROP_PROXIMITY_THRESHOLD, pointerX, pointerY)) {
|
|
return;
|
|
}
|
|
const result = this._sortStrategy.sort(item, pointerX, pointerY, pointerDelta);
|
|
if (result) {
|
|
this.sorted.next({
|
|
previousIndex: result.previousIndex,
|
|
currentIndex: result.currentIndex,
|
|
container: this,
|
|
item
|
|
});
|
|
}
|
|
}
|
|
/**
|
|
* Checks whether the user's pointer is close to the edges of either the
|
|
* viewport or the drop list and starts the auto-scroll sequence.
|
|
* @param pointerX User's pointer position along the x axis.
|
|
* @param pointerY User's pointer position along the y axis.
|
|
*/
|
|
_startScrollingIfNecessary(pointerX, pointerY) {
|
|
if (this.autoScrollDisabled) {
|
|
return;
|
|
}
|
|
let scrollNode;
|
|
let verticalScrollDirection = AutoScrollVerticalDirection.NONE;
|
|
let horizontalScrollDirection = AutoScrollHorizontalDirection.NONE;
|
|
this._parentPositions.positions.forEach((position, element) => {
|
|
if (element === this._document || !position.clientRect || scrollNode) {
|
|
return;
|
|
}
|
|
if (isPointerNearDomRect(position.clientRect, DROP_PROXIMITY_THRESHOLD, pointerX, pointerY)) {
|
|
[verticalScrollDirection, horizontalScrollDirection] = getElementScrollDirections(element, position.clientRect, this._direction, pointerX, pointerY);
|
|
if (verticalScrollDirection || horizontalScrollDirection) {
|
|
scrollNode = element;
|
|
}
|
|
}
|
|
});
|
|
if (!verticalScrollDirection && !horizontalScrollDirection) {
|
|
const {
|
|
width,
|
|
height
|
|
} = this._viewportRuler.getViewportSize();
|
|
const domRect = {
|
|
width,
|
|
height,
|
|
top: 0,
|
|
right: width,
|
|
bottom: height,
|
|
left: 0
|
|
};
|
|
verticalScrollDirection = getVerticalScrollDirection(domRect, pointerY);
|
|
horizontalScrollDirection = getHorizontalScrollDirection(domRect, pointerX);
|
|
scrollNode = window;
|
|
}
|
|
if (scrollNode && (verticalScrollDirection !== this._verticalScrollDirection || horizontalScrollDirection !== this._horizontalScrollDirection || scrollNode !== this._scrollNode)) {
|
|
this._verticalScrollDirection = verticalScrollDirection;
|
|
this._horizontalScrollDirection = horizontalScrollDirection;
|
|
this._scrollNode = scrollNode;
|
|
if ((verticalScrollDirection || horizontalScrollDirection) && scrollNode) {
|
|
this._ngZone.runOutsideAngular(this._startScrollInterval);
|
|
} else {
|
|
this._stopScrolling();
|
|
}
|
|
}
|
|
}
|
|
/** Stops any currently-running auto-scroll sequences. */
|
|
_stopScrolling() {
|
|
this._stopScrollTimers.next();
|
|
}
|
|
/** Starts the dragging sequence within the list. */
|
|
_draggingStarted() {
|
|
const styles = this._container.style;
|
|
this.beforeStarted.next();
|
|
this._isDragging = true;
|
|
if ((typeof ngDevMode === "undefined" || ngDevMode) && // Prevent the check from running on apps not using an alternate container. Ideally we
|
|
// would always run it, but introducing it at this stage would be a breaking change.
|
|
this._container !== coerceElement(this.element)) {
|
|
for (const drag of this._draggables) {
|
|
if (!drag.isDragging() && drag.getVisibleElement().parentNode !== this._container) {
|
|
throw new Error("Invalid DOM structure for drop list. All items must be placed directly inside of the element container.");
|
|
}
|
|
}
|
|
}
|
|
this._initialScrollSnap = styles.msScrollSnapType || styles.scrollSnapType || "";
|
|
styles.scrollSnapType = styles.msScrollSnapType = "none";
|
|
this._sortStrategy.start(this._draggables);
|
|
this._cacheParentPositions();
|
|
this._viewportScrollSubscription.unsubscribe();
|
|
this._listenToScrollEvents();
|
|
}
|
|
/** Caches the positions of the configured scrollable parents. */
|
|
_cacheParentPositions() {
|
|
this._parentPositions.cache(this._scrollableElements);
|
|
this._domRect = this._parentPositions.positions.get(this._container).clientRect;
|
|
}
|
|
/** Resets the container to its initial state. */
|
|
_reset() {
|
|
this._isDragging = false;
|
|
const styles = this._container.style;
|
|
styles.scrollSnapType = styles.msScrollSnapType = this._initialScrollSnap;
|
|
this._siblings.forEach((sibling) => sibling._stopReceiving(this));
|
|
this._sortStrategy.reset();
|
|
this._stopScrolling();
|
|
this._viewportScrollSubscription.unsubscribe();
|
|
this._parentPositions.clear();
|
|
}
|
|
/** Starts the interval that'll auto-scroll the element. */
|
|
_startScrollInterval = () => {
|
|
this._stopScrolling();
|
|
interval(0, animationFrameScheduler).pipe(takeUntil(this._stopScrollTimers)).subscribe(() => {
|
|
const node = this._scrollNode;
|
|
const scrollStep = this.autoScrollStep;
|
|
if (this._verticalScrollDirection === AutoScrollVerticalDirection.UP) {
|
|
node.scrollBy(0, -scrollStep);
|
|
} else if (this._verticalScrollDirection === AutoScrollVerticalDirection.DOWN) {
|
|
node.scrollBy(0, scrollStep);
|
|
}
|
|
if (this._horizontalScrollDirection === AutoScrollHorizontalDirection.LEFT) {
|
|
node.scrollBy(-scrollStep, 0);
|
|
} else if (this._horizontalScrollDirection === AutoScrollHorizontalDirection.RIGHT) {
|
|
node.scrollBy(scrollStep, 0);
|
|
}
|
|
});
|
|
};
|
|
/**
|
|
* Checks whether the user's pointer is positioned over the container.
|
|
* @param x Pointer position along the X axis.
|
|
* @param y Pointer position along the Y axis.
|
|
*/
|
|
_isOverContainer(x, y) {
|
|
return this._domRect != null && isInsideClientRect(this._domRect, x, y);
|
|
}
|
|
/**
|
|
* Figures out whether an item should be moved into a sibling
|
|
* drop container, based on its current position.
|
|
* @param item Drag item that is being moved.
|
|
* @param x Position of the item along the X axis.
|
|
* @param y Position of the item along the Y axis.
|
|
*/
|
|
_getSiblingContainerFromPosition(item, x, y) {
|
|
return this._siblings.find((sibling) => sibling._canReceive(item, x, y));
|
|
}
|
|
/**
|
|
* Checks whether the drop list can receive the passed-in item.
|
|
* @param item Item that is being dragged into the list.
|
|
* @param x Position of the item along the X axis.
|
|
* @param y Position of the item along the Y axis.
|
|
*/
|
|
_canReceive(item, x, y) {
|
|
if (!this._domRect || !isInsideClientRect(this._domRect, x, y) || !this.enterPredicate(item, this)) {
|
|
return false;
|
|
}
|
|
const elementFromPoint = this._getShadowRoot().elementFromPoint(x, y);
|
|
if (!elementFromPoint) {
|
|
return false;
|
|
}
|
|
return elementFromPoint === this._container || this._container.contains(elementFromPoint);
|
|
}
|
|
/**
|
|
* Called by one of the connected drop lists when a dragging sequence has started.
|
|
* @param sibling Sibling in which dragging has started.
|
|
*/
|
|
_startReceiving(sibling, items) {
|
|
const activeSiblings = this._activeSiblings;
|
|
if (!activeSiblings.has(sibling) && items.every((item) => {
|
|
return this.enterPredicate(item, this) || this._draggables.indexOf(item) > -1;
|
|
})) {
|
|
activeSiblings.add(sibling);
|
|
this._cacheParentPositions();
|
|
this._listenToScrollEvents();
|
|
this.receivingStarted.next({
|
|
initiator: sibling,
|
|
receiver: this,
|
|
items
|
|
});
|
|
}
|
|
}
|
|
/**
|
|
* Called by a connected drop list when dragging has stopped.
|
|
* @param sibling Sibling whose dragging has stopped.
|
|
*/
|
|
_stopReceiving(sibling) {
|
|
this._activeSiblings.delete(sibling);
|
|
this._viewportScrollSubscription.unsubscribe();
|
|
this.receivingStopped.next({
|
|
initiator: sibling,
|
|
receiver: this
|
|
});
|
|
}
|
|
/**
|
|
* Starts listening to scroll events on the viewport.
|
|
* Used for updating the internal state of the list.
|
|
*/
|
|
_listenToScrollEvents() {
|
|
this._viewportScrollSubscription = this._dragDropRegistry.scrolled(this._getShadowRoot()).subscribe((event) => {
|
|
if (this.isDragging()) {
|
|
const scrollDifference = this._parentPositions.handleScroll(event);
|
|
if (scrollDifference) {
|
|
this._sortStrategy.updateOnScroll(scrollDifference.top, scrollDifference.left);
|
|
}
|
|
} else if (this.isReceiving()) {
|
|
this._cacheParentPositions();
|
|
}
|
|
});
|
|
}
|
|
/**
|
|
* Lazily resolves and returns the shadow root of the element. We do this in a function, rather
|
|
* than saving it in property directly on init, because we want to resolve it as late as possible
|
|
* in order to ensure that the element has been moved into the shadow DOM. Doing it inside the
|
|
* constructor might be too early if the element is inside of something like `ngFor` or `ngIf`.
|
|
*/
|
|
_getShadowRoot() {
|
|
if (!this._cachedShadowRoot) {
|
|
const shadowRoot = _getShadowRoot(this._container);
|
|
this._cachedShadowRoot = shadowRoot || this._document;
|
|
}
|
|
return this._cachedShadowRoot;
|
|
}
|
|
/** Notifies any siblings that may potentially receive the item. */
|
|
_notifyReceivingSiblings() {
|
|
const draggedItems = this._sortStrategy.getActiveItemsSnapshot().filter((item) => item.isDragging());
|
|
this._siblings.forEach((sibling) => sibling._startReceiving(this, draggedItems));
|
|
}
|
|
};
|
|
function getVerticalScrollDirection(clientRect, pointerY) {
|
|
const {
|
|
top,
|
|
bottom,
|
|
height
|
|
} = clientRect;
|
|
const yThreshold = height * SCROLL_PROXIMITY_THRESHOLD;
|
|
if (pointerY >= top - yThreshold && pointerY <= top + yThreshold) {
|
|
return AutoScrollVerticalDirection.UP;
|
|
} else if (pointerY >= bottom - yThreshold && pointerY <= bottom + yThreshold) {
|
|
return AutoScrollVerticalDirection.DOWN;
|
|
}
|
|
return AutoScrollVerticalDirection.NONE;
|
|
}
|
|
function getHorizontalScrollDirection(clientRect, pointerX) {
|
|
const {
|
|
left,
|
|
right,
|
|
width
|
|
} = clientRect;
|
|
const xThreshold = width * SCROLL_PROXIMITY_THRESHOLD;
|
|
if (pointerX >= left - xThreshold && pointerX <= left + xThreshold) {
|
|
return AutoScrollHorizontalDirection.LEFT;
|
|
} else if (pointerX >= right - xThreshold && pointerX <= right + xThreshold) {
|
|
return AutoScrollHorizontalDirection.RIGHT;
|
|
}
|
|
return AutoScrollHorizontalDirection.NONE;
|
|
}
|
|
function getElementScrollDirections(element, clientRect, direction, pointerX, pointerY) {
|
|
const computedVertical = getVerticalScrollDirection(clientRect, pointerY);
|
|
const computedHorizontal = getHorizontalScrollDirection(clientRect, pointerX);
|
|
let verticalScrollDirection = AutoScrollVerticalDirection.NONE;
|
|
let horizontalScrollDirection = AutoScrollHorizontalDirection.NONE;
|
|
if (computedVertical) {
|
|
const scrollTop = element.scrollTop;
|
|
if (computedVertical === AutoScrollVerticalDirection.UP) {
|
|
if (scrollTop > 0) {
|
|
verticalScrollDirection = AutoScrollVerticalDirection.UP;
|
|
}
|
|
} else if (element.scrollHeight - scrollTop > element.clientHeight) {
|
|
verticalScrollDirection = AutoScrollVerticalDirection.DOWN;
|
|
}
|
|
}
|
|
if (computedHorizontal) {
|
|
const scrollLeft = element.scrollLeft;
|
|
if (direction === "rtl") {
|
|
if (computedHorizontal === AutoScrollHorizontalDirection.RIGHT) {
|
|
if (scrollLeft < 0) {
|
|
horizontalScrollDirection = AutoScrollHorizontalDirection.RIGHT;
|
|
}
|
|
} else if (element.scrollWidth + scrollLeft > element.clientWidth) {
|
|
horizontalScrollDirection = AutoScrollHorizontalDirection.LEFT;
|
|
}
|
|
} else {
|
|
if (computedHorizontal === AutoScrollHorizontalDirection.LEFT) {
|
|
if (scrollLeft > 0) {
|
|
horizontalScrollDirection = AutoScrollHorizontalDirection.LEFT;
|
|
}
|
|
} else if (element.scrollWidth - scrollLeft > element.clientWidth) {
|
|
horizontalScrollDirection = AutoScrollHorizontalDirection.RIGHT;
|
|
}
|
|
}
|
|
}
|
|
return [verticalScrollDirection, horizontalScrollDirection];
|
|
}
|
|
var capturingEventOptions = {
|
|
capture: true
|
|
};
|
|
var activeCapturingEventOptions = {
|
|
passive: false,
|
|
capture: true
|
|
};
|
|
var _ResetsLoader = class __ResetsLoader {
|
|
static ɵfac = function _ResetsLoader_Factory(__ngFactoryType__) {
|
|
return new (__ngFactoryType__ || __ResetsLoader)();
|
|
};
|
|
static ɵcmp = ɵɵdefineComponent({
|
|
type: __ResetsLoader,
|
|
selectors: [["ng-component"]],
|
|
hostAttrs: ["cdk-drag-resets-container", ""],
|
|
decls: 0,
|
|
vars: 0,
|
|
template: function _ResetsLoader_Template(rf, ctx) {
|
|
},
|
|
styles: ["@layer cdk-resets{.cdk-drag-preview{background:none;border:none;padding:0;color:inherit;inset:auto}}.cdk-drag-placeholder *,.cdk-drag-preview *{pointer-events:none !important}\n"],
|
|
encapsulation: 2,
|
|
changeDetection: 0
|
|
});
|
|
};
|
|
(() => {
|
|
(typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(_ResetsLoader, [{
|
|
type: Component,
|
|
args: [{
|
|
encapsulation: ViewEncapsulation.None,
|
|
template: "",
|
|
changeDetection: ChangeDetectionStrategy.OnPush,
|
|
host: {
|
|
"cdk-drag-resets-container": ""
|
|
},
|
|
styles: ["@layer cdk-resets{.cdk-drag-preview{background:none;border:none;padding:0;color:inherit;inset:auto}}.cdk-drag-placeholder *,.cdk-drag-preview *{pointer-events:none !important}\n"]
|
|
}]
|
|
}], null, null);
|
|
})();
|
|
var DragDropRegistry = class _DragDropRegistry {
|
|
_ngZone = inject(NgZone);
|
|
_document = inject(DOCUMENT);
|
|
_styleLoader = inject(_CdkPrivateStyleLoader);
|
|
_renderer = inject(RendererFactory2).createRenderer(null, null);
|
|
_cleanupDocumentTouchmove;
|
|
_scroll = new Subject();
|
|
/** Registered drop container instances. */
|
|
_dropInstances = /* @__PURE__ */ new Set();
|
|
/** Registered drag item instances. */
|
|
_dragInstances = /* @__PURE__ */ new Set();
|
|
/** Drag item instances that are currently being dragged. */
|
|
_activeDragInstances = signal([], ...ngDevMode ? [{
|
|
debugName: "_activeDragInstances"
|
|
}] : []);
|
|
/** Keeps track of the event listeners that we've bound to the `document`. */
|
|
_globalListeners;
|
|
/**
|
|
* Predicate function to check if an item is being dragged. Moved out into a property,
|
|
* because it'll be called a lot and we don't want to create a new function every time.
|
|
*/
|
|
_draggingPredicate = (item) => item.isDragging();
|
|
/**
|
|
* Map tracking DOM nodes and their corresponding drag directives. Note that this is different
|
|
* from looking through the `_dragInstances` and getting their root node, because the root node
|
|
* isn't necessarily the node that the directive is set on.
|
|
*/
|
|
_domNodesToDirectives = null;
|
|
/**
|
|
* Emits the `touchmove` or `mousemove` events that are dispatched
|
|
* while the user is dragging a drag item instance.
|
|
*/
|
|
pointerMove = new Subject();
|
|
/**
|
|
* Emits the `touchend` or `mouseup` events that are dispatched
|
|
* while the user is dragging a drag item instance.
|
|
*/
|
|
pointerUp = new Subject();
|
|
constructor() {
|
|
}
|
|
/** Adds a drop container to the registry. */
|
|
registerDropContainer(drop) {
|
|
if (!this._dropInstances.has(drop)) {
|
|
this._dropInstances.add(drop);
|
|
}
|
|
}
|
|
/** Adds a drag item instance to the registry. */
|
|
registerDragItem(drag) {
|
|
this._dragInstances.add(drag);
|
|
if (this._dragInstances.size === 1) {
|
|
this._ngZone.runOutsideAngular(() => {
|
|
this._cleanupDocumentTouchmove?.();
|
|
this._cleanupDocumentTouchmove = this._renderer.listen(this._document, "touchmove", this._persistentTouchmoveListener, activeCapturingEventOptions);
|
|
});
|
|
}
|
|
}
|
|
/** Removes a drop container from the registry. */
|
|
removeDropContainer(drop) {
|
|
this._dropInstances.delete(drop);
|
|
}
|
|
/** Removes a drag item instance from the registry. */
|
|
removeDragItem(drag) {
|
|
this._dragInstances.delete(drag);
|
|
this.stopDragging(drag);
|
|
if (this._dragInstances.size === 0) {
|
|
this._cleanupDocumentTouchmove?.();
|
|
}
|
|
}
|
|
/**
|
|
* Starts the dragging sequence for a drag instance.
|
|
* @param drag Drag instance which is being dragged.
|
|
* @param event Event that initiated the dragging.
|
|
*/
|
|
startDragging(drag, event) {
|
|
if (this._activeDragInstances().indexOf(drag) > -1) {
|
|
return;
|
|
}
|
|
this._styleLoader.load(_ResetsLoader);
|
|
this._activeDragInstances.update((instances) => [...instances, drag]);
|
|
if (this._activeDragInstances().length === 1) {
|
|
const isTouchEvent2 = event.type.startsWith("touch");
|
|
const endEventHandler = (e) => this.pointerUp.next(e);
|
|
const toBind = [
|
|
// Use capturing so that we pick up scroll changes in any scrollable nodes that aren't
|
|
// the document. See https://github.com/angular/components/issues/17144.
|
|
["scroll", (e) => this._scroll.next(e), capturingEventOptions],
|
|
// Preventing the default action on `mousemove` isn't enough to disable text selection
|
|
// on Safari so we need to prevent the selection event as well. Alternatively this can
|
|
// be done by setting `user-select: none` on the `body`, however it has causes a style
|
|
// recalculation which can be expensive on pages with a lot of elements.
|
|
["selectstart", this._preventDefaultWhileDragging, activeCapturingEventOptions]
|
|
];
|
|
if (isTouchEvent2) {
|
|
toBind.push(["touchend", endEventHandler, capturingEventOptions], ["touchcancel", endEventHandler, capturingEventOptions]);
|
|
} else {
|
|
toBind.push(["mouseup", endEventHandler, capturingEventOptions]);
|
|
}
|
|
if (!isTouchEvent2) {
|
|
toBind.push(["mousemove", (e) => this.pointerMove.next(e), activeCapturingEventOptions]);
|
|
}
|
|
this._ngZone.runOutsideAngular(() => {
|
|
this._globalListeners = toBind.map(([name, handler, options]) => this._renderer.listen(this._document, name, handler, options));
|
|
});
|
|
}
|
|
}
|
|
/** Stops dragging a drag item instance. */
|
|
stopDragging(drag) {
|
|
this._activeDragInstances.update((instances) => {
|
|
const index = instances.indexOf(drag);
|
|
if (index > -1) {
|
|
instances.splice(index, 1);
|
|
return [...instances];
|
|
}
|
|
return instances;
|
|
});
|
|
if (this._activeDragInstances().length === 0) {
|
|
this._clearGlobalListeners();
|
|
}
|
|
}
|
|
/** Gets whether a drag item instance is currently being dragged. */
|
|
isDragging(drag) {
|
|
return this._activeDragInstances().indexOf(drag) > -1;
|
|
}
|
|
/**
|
|
* Gets a stream that will emit when any element on the page is scrolled while an item is being
|
|
* dragged.
|
|
* @param shadowRoot Optional shadow root that the current dragging sequence started from.
|
|
* Top-level listeners won't pick up events coming from the shadow DOM so this parameter can
|
|
* be used to include an additional top-level listener at the shadow root level.
|
|
*/
|
|
scrolled(shadowRoot) {
|
|
const streams = [this._scroll];
|
|
if (shadowRoot && shadowRoot !== this._document) {
|
|
streams.push(new Observable((observer) => {
|
|
return this._ngZone.runOutsideAngular(() => {
|
|
const cleanup = this._renderer.listen(shadowRoot, "scroll", (event) => {
|
|
if (this._activeDragInstances().length) {
|
|
observer.next(event);
|
|
}
|
|
}, capturingEventOptions);
|
|
return () => {
|
|
cleanup();
|
|
};
|
|
});
|
|
}));
|
|
}
|
|
return merge(...streams);
|
|
}
|
|
/**
|
|
* Tracks the DOM node which has a draggable directive.
|
|
* @param node Node to track.
|
|
* @param dragRef Drag directive set on the node.
|
|
*/
|
|
registerDirectiveNode(node, dragRef) {
|
|
this._domNodesToDirectives ??= /* @__PURE__ */ new WeakMap();
|
|
this._domNodesToDirectives.set(node, dragRef);
|
|
}
|
|
/**
|
|
* Stops tracking a draggable directive node.
|
|
* @param node Node to stop tracking.
|
|
*/
|
|
removeDirectiveNode(node) {
|
|
this._domNodesToDirectives?.delete(node);
|
|
}
|
|
/**
|
|
* Gets the drag directive corresponding to a specific DOM node, if any.
|
|
* @param node Node for which to do the lookup.
|
|
*/
|
|
getDragDirectiveForNode(node) {
|
|
return this._domNodesToDirectives?.get(node) || null;
|
|
}
|
|
ngOnDestroy() {
|
|
this._dragInstances.forEach((instance) => this.removeDragItem(instance));
|
|
this._dropInstances.forEach((instance) => this.removeDropContainer(instance));
|
|
this._domNodesToDirectives = null;
|
|
this._clearGlobalListeners();
|
|
this.pointerMove.complete();
|
|
this.pointerUp.complete();
|
|
}
|
|
/**
|
|
* Event listener that will prevent the default browser action while the user is dragging.
|
|
* @param event Event whose default action should be prevented.
|
|
*/
|
|
_preventDefaultWhileDragging = (event) => {
|
|
if (this._activeDragInstances().length > 0) {
|
|
event.preventDefault();
|
|
}
|
|
};
|
|
/** Event listener for `touchmove` that is bound even if no dragging is happening. */
|
|
_persistentTouchmoveListener = (event) => {
|
|
if (this._activeDragInstances().length > 0) {
|
|
if (this._activeDragInstances().some(this._draggingPredicate)) {
|
|
event.preventDefault();
|
|
}
|
|
this.pointerMove.next(event);
|
|
}
|
|
};
|
|
/** Clears out the global event listeners from the `document`. */
|
|
_clearGlobalListeners() {
|
|
this._globalListeners?.forEach((cleanup) => cleanup());
|
|
this._globalListeners = void 0;
|
|
}
|
|
static ɵfac = function DragDropRegistry_Factory(__ngFactoryType__) {
|
|
return new (__ngFactoryType__ || _DragDropRegistry)();
|
|
};
|
|
static ɵprov = ɵɵdefineInjectable({
|
|
token: _DragDropRegistry,
|
|
factory: _DragDropRegistry.ɵfac,
|
|
providedIn: "root"
|
|
});
|
|
};
|
|
(() => {
|
|
(typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(DragDropRegistry, [{
|
|
type: Injectable,
|
|
args: [{
|
|
providedIn: "root"
|
|
}]
|
|
}], () => [], null);
|
|
})();
|
|
var DEFAULT_CONFIG = {
|
|
dragStartThreshold: 5,
|
|
pointerDirectionChangeThreshold: 5
|
|
};
|
|
var DragDrop = class _DragDrop {
|
|
_document = inject(DOCUMENT);
|
|
_ngZone = inject(NgZone);
|
|
_viewportRuler = inject(ViewportRuler);
|
|
_dragDropRegistry = inject(DragDropRegistry);
|
|
_renderer = inject(RendererFactory2).createRenderer(null, null);
|
|
constructor() {
|
|
}
|
|
/**
|
|
* Turns an element into a draggable item.
|
|
* @param element Element to which to attach the dragging functionality.
|
|
* @param config Object used to configure the dragging behavior.
|
|
*/
|
|
createDrag(element, config = DEFAULT_CONFIG) {
|
|
return new DragRef(element, config, this._document, this._ngZone, this._viewportRuler, this._dragDropRegistry, this._renderer);
|
|
}
|
|
/**
|
|
* Turns an element into a drop list.
|
|
* @param element Element to which to attach the drop list functionality.
|
|
*/
|
|
createDropList(element) {
|
|
return new DropListRef(element, this._dragDropRegistry, this._document, this._ngZone, this._viewportRuler);
|
|
}
|
|
static ɵfac = function DragDrop_Factory(__ngFactoryType__) {
|
|
return new (__ngFactoryType__ || _DragDrop)();
|
|
};
|
|
static ɵprov = ɵɵdefineInjectable({
|
|
token: _DragDrop,
|
|
factory: _DragDrop.ɵfac,
|
|
providedIn: "root"
|
|
});
|
|
};
|
|
(() => {
|
|
(typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(DragDrop, [{
|
|
type: Injectable,
|
|
args: [{
|
|
providedIn: "root"
|
|
}]
|
|
}], () => [], null);
|
|
})();
|
|
var CDK_DRAG_PARENT = new InjectionToken("CDK_DRAG_PARENT");
|
|
function assertElementNode(node, name) {
|
|
if (node.nodeType !== 1) {
|
|
throw Error(`${name} must be attached to an element node. Currently attached to "${node.nodeName}".`);
|
|
}
|
|
}
|
|
var CDK_DRAG_HANDLE = new InjectionToken("CdkDragHandle");
|
|
var CdkDragHandle = class _CdkDragHandle {
|
|
element = inject(ElementRef);
|
|
_parentDrag = inject(CDK_DRAG_PARENT, {
|
|
optional: true,
|
|
skipSelf: true
|
|
});
|
|
_dragDropRegistry = inject(DragDropRegistry);
|
|
/** Emits when the state of the handle has changed. */
|
|
_stateChanges = new Subject();
|
|
/** Whether starting to drag through this handle is disabled. */
|
|
get disabled() {
|
|
return this._disabled;
|
|
}
|
|
set disabled(value) {
|
|
this._disabled = value;
|
|
this._stateChanges.next(this);
|
|
}
|
|
_disabled = false;
|
|
constructor() {
|
|
if (typeof ngDevMode === "undefined" || ngDevMode) {
|
|
assertElementNode(this.element.nativeElement, "cdkDragHandle");
|
|
}
|
|
this._parentDrag?._addHandle(this);
|
|
}
|
|
ngAfterViewInit() {
|
|
if (!this._parentDrag) {
|
|
let parent = this.element.nativeElement.parentElement;
|
|
while (parent) {
|
|
const ref = this._dragDropRegistry.getDragDirectiveForNode(parent);
|
|
if (ref) {
|
|
this._parentDrag = ref;
|
|
ref._addHandle(this);
|
|
break;
|
|
}
|
|
parent = parent.parentElement;
|
|
}
|
|
}
|
|
}
|
|
ngOnDestroy() {
|
|
this._parentDrag?._removeHandle(this);
|
|
this._stateChanges.complete();
|
|
}
|
|
static ɵfac = function CdkDragHandle_Factory(__ngFactoryType__) {
|
|
return new (__ngFactoryType__ || _CdkDragHandle)();
|
|
};
|
|
static ɵdir = ɵɵdefineDirective({
|
|
type: _CdkDragHandle,
|
|
selectors: [["", "cdkDragHandle", ""]],
|
|
hostAttrs: [1, "cdk-drag-handle"],
|
|
inputs: {
|
|
disabled: [2, "cdkDragHandleDisabled", "disabled", booleanAttribute]
|
|
},
|
|
features: [ɵɵProvidersFeature([{
|
|
provide: CDK_DRAG_HANDLE,
|
|
useExisting: _CdkDragHandle
|
|
}])]
|
|
});
|
|
};
|
|
(() => {
|
|
(typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(CdkDragHandle, [{
|
|
type: Directive,
|
|
args: [{
|
|
selector: "[cdkDragHandle]",
|
|
host: {
|
|
"class": "cdk-drag-handle"
|
|
},
|
|
providers: [{
|
|
provide: CDK_DRAG_HANDLE,
|
|
useExisting: CdkDragHandle
|
|
}]
|
|
}]
|
|
}], () => [], {
|
|
disabled: [{
|
|
type: Input,
|
|
args: [{
|
|
alias: "cdkDragHandleDisabled",
|
|
transform: booleanAttribute
|
|
}]
|
|
}]
|
|
});
|
|
})();
|
|
var CDK_DRAG_CONFIG = new InjectionToken("CDK_DRAG_CONFIG");
|
|
var CDK_DROP_LIST = new InjectionToken("CdkDropList");
|
|
var CdkDrag = class _CdkDrag {
|
|
element = inject(ElementRef);
|
|
dropContainer = inject(CDK_DROP_LIST, {
|
|
optional: true,
|
|
skipSelf: true
|
|
});
|
|
_ngZone = inject(NgZone);
|
|
_viewContainerRef = inject(ViewContainerRef);
|
|
_dir = inject(Directionality, {
|
|
optional: true
|
|
});
|
|
_changeDetectorRef = inject(ChangeDetectorRef);
|
|
_selfHandle = inject(CDK_DRAG_HANDLE, {
|
|
optional: true,
|
|
self: true
|
|
});
|
|
_parentDrag = inject(CDK_DRAG_PARENT, {
|
|
optional: true,
|
|
skipSelf: true
|
|
});
|
|
_dragDropRegistry = inject(DragDropRegistry);
|
|
_destroyed = new Subject();
|
|
_handles = new BehaviorSubject([]);
|
|
_previewTemplate;
|
|
_placeholderTemplate;
|
|
/** Reference to the underlying drag instance. */
|
|
_dragRef;
|
|
/** Arbitrary data to attach to this drag instance. */
|
|
data;
|
|
/** Locks the position of the dragged element along the specified axis. */
|
|
lockAxis = null;
|
|
/**
|
|
* Selector that will be used to determine the root draggable element, starting from
|
|
* the `cdkDrag` element and going up the DOM. Passing an alternate root element is useful
|
|
* when trying to enable dragging on an element that you might not have access to.
|
|
*/
|
|
rootElementSelector;
|
|
/**
|
|
* Node or selector that will be used to determine the element to which the draggable's
|
|
* position will be constrained. If a string is passed in, it'll be used as a selector that
|
|
* will be matched starting from the element's parent and going up the DOM until a match
|
|
* has been found.
|
|
*/
|
|
boundaryElement;
|
|
/**
|
|
* Amount of milliseconds to wait after the user has put their
|
|
* pointer down before starting to drag the element.
|
|
*/
|
|
dragStartDelay;
|
|
/**
|
|
* Sets the position of a `CdkDrag` that is outside of a drop container.
|
|
* Can be used to restore the element's position for a returning user.
|
|
*/
|
|
freeDragPosition;
|
|
/** Whether starting to drag this element is disabled. */
|
|
get disabled() {
|
|
return this._disabled || !!(this.dropContainer && this.dropContainer.disabled);
|
|
}
|
|
set disabled(value) {
|
|
this._disabled = value;
|
|
this._dragRef.disabled = this._disabled;
|
|
}
|
|
_disabled;
|
|
/**
|
|
* Function that can be used to customize the logic of how the position of the drag item
|
|
* is limited while it's being dragged. Gets called with a point containing the current position
|
|
* of the user's pointer on the page, a reference to the item being dragged and its dimensions.
|
|
* Should return a point describing where the item should be rendered.
|
|
*/
|
|
constrainPosition;
|
|
/** Class to be added to the preview element. */
|
|
previewClass;
|
|
/**
|
|
* Configures the place into which the preview of the item will be inserted. Can be configured
|
|
* globally through `CDK_DROP_LIST`. Possible values:
|
|
* - `global` - Preview will be inserted at the bottom of the `<body>`. The advantage is that
|
|
* you don't have to worry about `overflow: hidden` or `z-index`, but the item won't retain
|
|
* its inherited styles.
|
|
* - `parent` - Preview will be inserted into the parent of the drag item. The advantage is that
|
|
* inherited styles will be preserved, but it may be clipped by `overflow: hidden` or not be
|
|
* visible due to `z-index`. Furthermore, the preview is going to have an effect over selectors
|
|
* like `:nth-child` and some flexbox configurations.
|
|
* - `ElementRef<HTMLElement> | HTMLElement` - Preview will be inserted into a specific element.
|
|
* Same advantages and disadvantages as `parent`.
|
|
*/
|
|
previewContainer;
|
|
/**
|
|
* If the parent of the dragged element has a `scale` transform, it can throw off the
|
|
* positioning when the user starts dragging. Use this input to notify the CDK of the scale.
|
|
*/
|
|
scale = 1;
|
|
/** Emits when the user starts dragging the item. */
|
|
started = new EventEmitter();
|
|
/** Emits when the user has released a drag item, before any animations have started. */
|
|
released = new EventEmitter();
|
|
/** Emits when the user stops dragging an item in the container. */
|
|
ended = new EventEmitter();
|
|
/** Emits when the user has moved the item into a new container. */
|
|
entered = new EventEmitter();
|
|
/** Emits when the user removes the item its container by dragging it into another container. */
|
|
exited = new EventEmitter();
|
|
/** Emits when the user drops the item inside a container. */
|
|
dropped = new EventEmitter();
|
|
/**
|
|
* Emits as the user is dragging the item. Use with caution,
|
|
* because this event will fire for every pixel that the user has dragged.
|
|
*/
|
|
moved = new Observable((observer) => {
|
|
const subscription = this._dragRef.moved.pipe(map((movedEvent) => ({
|
|
source: this,
|
|
pointerPosition: movedEvent.pointerPosition,
|
|
event: movedEvent.event,
|
|
delta: movedEvent.delta,
|
|
distance: movedEvent.distance
|
|
}))).subscribe(observer);
|
|
return () => {
|
|
subscription.unsubscribe();
|
|
};
|
|
});
|
|
_injector = inject(Injector);
|
|
constructor() {
|
|
const dropContainer = this.dropContainer;
|
|
const config = inject(CDK_DRAG_CONFIG, {
|
|
optional: true
|
|
});
|
|
const dragDrop = inject(DragDrop);
|
|
this._dragRef = dragDrop.createDrag(this.element, {
|
|
dragStartThreshold: config && config.dragStartThreshold != null ? config.dragStartThreshold : 5,
|
|
pointerDirectionChangeThreshold: config && config.pointerDirectionChangeThreshold != null ? config.pointerDirectionChangeThreshold : 5,
|
|
zIndex: config?.zIndex
|
|
});
|
|
this._dragRef.data = this;
|
|
this._dragDropRegistry.registerDirectiveNode(this.element.nativeElement, this);
|
|
if (config) {
|
|
this._assignDefaults(config);
|
|
}
|
|
if (dropContainer) {
|
|
dropContainer.addItem(this);
|
|
dropContainer._dropListRef.beforeStarted.pipe(takeUntil(this._destroyed)).subscribe(() => {
|
|
this._dragRef.scale = this.scale;
|
|
});
|
|
}
|
|
this._syncInputs(this._dragRef);
|
|
this._handleEvents(this._dragRef);
|
|
}
|
|
/**
|
|
* Returns the element that is being used as a placeholder
|
|
* while the current element is being dragged.
|
|
*/
|
|
getPlaceholderElement() {
|
|
return this._dragRef.getPlaceholderElement();
|
|
}
|
|
/** Returns the root draggable element. */
|
|
getRootElement() {
|
|
return this._dragRef.getRootElement();
|
|
}
|
|
/** Resets a standalone drag item to its initial position. */
|
|
reset() {
|
|
this._dragRef.reset();
|
|
}
|
|
/** Resets drag item to end of boundary element. */
|
|
resetToBoundary() {
|
|
this._dragRef.resetToBoundary();
|
|
}
|
|
/**
|
|
* Gets the pixel coordinates of the draggable outside of a drop container.
|
|
*/
|
|
getFreeDragPosition() {
|
|
return this._dragRef.getFreeDragPosition();
|
|
}
|
|
/**
|
|
* Sets the current position in pixels the draggable outside of a drop container.
|
|
* @param value New position to be set.
|
|
*/
|
|
setFreeDragPosition(value) {
|
|
this._dragRef.setFreeDragPosition(value);
|
|
}
|
|
ngAfterViewInit() {
|
|
afterNextRender(() => {
|
|
this._updateRootElement();
|
|
this._setupHandlesListener();
|
|
this._dragRef.scale = this.scale;
|
|
if (this.freeDragPosition) {
|
|
this._dragRef.setFreeDragPosition(this.freeDragPosition);
|
|
}
|
|
}, {
|
|
injector: this._injector
|
|
});
|
|
}
|
|
ngOnChanges(changes) {
|
|
const rootSelectorChange = changes["rootElementSelector"];
|
|
const positionChange = changes["freeDragPosition"];
|
|
if (rootSelectorChange && !rootSelectorChange.firstChange) {
|
|
this._updateRootElement();
|
|
}
|
|
this._dragRef.scale = this.scale;
|
|
if (positionChange && !positionChange.firstChange && this.freeDragPosition) {
|
|
this._dragRef.setFreeDragPosition(this.freeDragPosition);
|
|
}
|
|
}
|
|
ngOnDestroy() {
|
|
if (this.dropContainer) {
|
|
this.dropContainer.removeItem(this);
|
|
}
|
|
this._dragDropRegistry.removeDirectiveNode(this.element.nativeElement);
|
|
this._ngZone.runOutsideAngular(() => {
|
|
this._handles.complete();
|
|
this._destroyed.next();
|
|
this._destroyed.complete();
|
|
this._dragRef.dispose();
|
|
});
|
|
}
|
|
_addHandle(handle) {
|
|
const handles = this._handles.getValue();
|
|
handles.push(handle);
|
|
this._handles.next(handles);
|
|
}
|
|
_removeHandle(handle) {
|
|
const handles = this._handles.getValue();
|
|
const index = handles.indexOf(handle);
|
|
if (index > -1) {
|
|
handles.splice(index, 1);
|
|
this._handles.next(handles);
|
|
}
|
|
}
|
|
_setPreviewTemplate(preview) {
|
|
this._previewTemplate = preview;
|
|
}
|
|
_resetPreviewTemplate(preview) {
|
|
if (preview === this._previewTemplate) {
|
|
this._previewTemplate = null;
|
|
}
|
|
}
|
|
_setPlaceholderTemplate(placeholder) {
|
|
this._placeholderTemplate = placeholder;
|
|
}
|
|
_resetPlaceholderTemplate(placeholder) {
|
|
if (placeholder === this._placeholderTemplate) {
|
|
this._placeholderTemplate = null;
|
|
}
|
|
}
|
|
/** Syncs the root element with the `DragRef`. */
|
|
_updateRootElement() {
|
|
const element = this.element.nativeElement;
|
|
let rootElement = element;
|
|
if (this.rootElementSelector) {
|
|
rootElement = element.closest !== void 0 ? element.closest(this.rootElementSelector) : (
|
|
// Comment tag doesn't have closest method, so use parent's one.
|
|
element.parentElement?.closest(this.rootElementSelector)
|
|
);
|
|
}
|
|
if (rootElement && (typeof ngDevMode === "undefined" || ngDevMode)) {
|
|
assertElementNode(rootElement, "cdkDrag");
|
|
}
|
|
this._dragRef.withRootElement(rootElement || element);
|
|
}
|
|
/** Gets the boundary element, based on the `boundaryElement` value. */
|
|
_getBoundaryElement() {
|
|
const boundary = this.boundaryElement;
|
|
if (!boundary) {
|
|
return null;
|
|
}
|
|
if (typeof boundary === "string") {
|
|
return this.element.nativeElement.closest(boundary);
|
|
}
|
|
return coerceElement(boundary);
|
|
}
|
|
/** Syncs the inputs of the CdkDrag with the options of the underlying DragRef. */
|
|
_syncInputs(ref) {
|
|
ref.beforeStarted.subscribe(() => {
|
|
if (!ref.isDragging()) {
|
|
const dir = this._dir;
|
|
const dragStartDelay = this.dragStartDelay;
|
|
const placeholder = this._placeholderTemplate ? {
|
|
template: this._placeholderTemplate.templateRef,
|
|
context: this._placeholderTemplate.data,
|
|
viewContainer: this._viewContainerRef
|
|
} : null;
|
|
const preview = this._previewTemplate ? {
|
|
template: this._previewTemplate.templateRef,
|
|
context: this._previewTemplate.data,
|
|
matchSize: this._previewTemplate.matchSize,
|
|
viewContainer: this._viewContainerRef
|
|
} : null;
|
|
ref.disabled = this.disabled;
|
|
ref.lockAxis = this.lockAxis;
|
|
ref.scale = this.scale;
|
|
ref.dragStartDelay = typeof dragStartDelay === "object" && dragStartDelay ? dragStartDelay : coerceNumberProperty(dragStartDelay);
|
|
ref.constrainPosition = this.constrainPosition;
|
|
ref.previewClass = this.previewClass;
|
|
ref.withBoundaryElement(this._getBoundaryElement()).withPlaceholderTemplate(placeholder).withPreviewTemplate(preview).withPreviewContainer(this.previewContainer || "global");
|
|
if (dir) {
|
|
ref.withDirection(dir.value);
|
|
}
|
|
}
|
|
});
|
|
ref.beforeStarted.pipe(take(1)).subscribe(() => {
|
|
if (this._parentDrag) {
|
|
ref.withParent(this._parentDrag._dragRef);
|
|
return;
|
|
}
|
|
let parent = this.element.nativeElement.parentElement;
|
|
while (parent) {
|
|
const parentDrag = this._dragDropRegistry.getDragDirectiveForNode(parent);
|
|
if (parentDrag) {
|
|
ref.withParent(parentDrag._dragRef);
|
|
break;
|
|
}
|
|
parent = parent.parentElement;
|
|
}
|
|
});
|
|
}
|
|
/** Handles the events from the underlying `DragRef`. */
|
|
_handleEvents(ref) {
|
|
ref.started.subscribe((startEvent) => {
|
|
this.started.emit({
|
|
source: this,
|
|
event: startEvent.event
|
|
});
|
|
this._changeDetectorRef.markForCheck();
|
|
});
|
|
ref.released.subscribe((releaseEvent) => {
|
|
this.released.emit({
|
|
source: this,
|
|
event: releaseEvent.event
|
|
});
|
|
});
|
|
ref.ended.subscribe((endEvent) => {
|
|
this.ended.emit({
|
|
source: this,
|
|
distance: endEvent.distance,
|
|
dropPoint: endEvent.dropPoint,
|
|
event: endEvent.event
|
|
});
|
|
this._changeDetectorRef.markForCheck();
|
|
});
|
|
ref.entered.subscribe((enterEvent) => {
|
|
this.entered.emit({
|
|
container: enterEvent.container.data,
|
|
item: this,
|
|
currentIndex: enterEvent.currentIndex
|
|
});
|
|
});
|
|
ref.exited.subscribe((exitEvent) => {
|
|
this.exited.emit({
|
|
container: exitEvent.container.data,
|
|
item: this
|
|
});
|
|
});
|
|
ref.dropped.subscribe((dropEvent) => {
|
|
this.dropped.emit({
|
|
previousIndex: dropEvent.previousIndex,
|
|
currentIndex: dropEvent.currentIndex,
|
|
previousContainer: dropEvent.previousContainer.data,
|
|
container: dropEvent.container.data,
|
|
isPointerOverContainer: dropEvent.isPointerOverContainer,
|
|
item: this,
|
|
distance: dropEvent.distance,
|
|
dropPoint: dropEvent.dropPoint,
|
|
event: dropEvent.event
|
|
});
|
|
});
|
|
}
|
|
/** Assigns the default input values based on a provided config object. */
|
|
_assignDefaults(config) {
|
|
const {
|
|
lockAxis,
|
|
dragStartDelay,
|
|
constrainPosition,
|
|
previewClass,
|
|
boundaryElement,
|
|
draggingDisabled,
|
|
rootElementSelector,
|
|
previewContainer
|
|
} = config;
|
|
this.disabled = draggingDisabled == null ? false : draggingDisabled;
|
|
this.dragStartDelay = dragStartDelay || 0;
|
|
this.lockAxis = lockAxis || null;
|
|
if (constrainPosition) {
|
|
this.constrainPosition = constrainPosition;
|
|
}
|
|
if (previewClass) {
|
|
this.previewClass = previewClass;
|
|
}
|
|
if (boundaryElement) {
|
|
this.boundaryElement = boundaryElement;
|
|
}
|
|
if (rootElementSelector) {
|
|
this.rootElementSelector = rootElementSelector;
|
|
}
|
|
if (previewContainer) {
|
|
this.previewContainer = previewContainer;
|
|
}
|
|
}
|
|
/** Sets up the listener that syncs the handles with the drag ref. */
|
|
_setupHandlesListener() {
|
|
this._handles.pipe(
|
|
// Sync the new handles with the DragRef.
|
|
tap((handles) => {
|
|
const handleElements = handles.map((handle) => handle.element);
|
|
if (this._selfHandle && this.rootElementSelector) {
|
|
handleElements.push(this.element);
|
|
}
|
|
this._dragRef.withHandles(handleElements);
|
|
}),
|
|
// Listen if the state of any of the handles changes.
|
|
switchMap((handles) => {
|
|
return merge(...handles.map((item) => item._stateChanges.pipe(startWith(item))));
|
|
}),
|
|
takeUntil(this._destroyed)
|
|
).subscribe((handleInstance) => {
|
|
const dragRef = this._dragRef;
|
|
const handle = handleInstance.element.nativeElement;
|
|
handleInstance.disabled ? dragRef.disableHandle(handle) : dragRef.enableHandle(handle);
|
|
});
|
|
}
|
|
static ɵfac = function CdkDrag_Factory(__ngFactoryType__) {
|
|
return new (__ngFactoryType__ || _CdkDrag)();
|
|
};
|
|
static ɵdir = ɵɵdefineDirective({
|
|
type: _CdkDrag,
|
|
selectors: [["", "cdkDrag", ""]],
|
|
hostAttrs: [1, "cdk-drag"],
|
|
hostVars: 4,
|
|
hostBindings: function CdkDrag_HostBindings(rf, ctx) {
|
|
if (rf & 2) {
|
|
ɵɵclassProp("cdk-drag-disabled", ctx.disabled)("cdk-drag-dragging", ctx._dragRef.isDragging());
|
|
}
|
|
},
|
|
inputs: {
|
|
data: [0, "cdkDragData", "data"],
|
|
lockAxis: [0, "cdkDragLockAxis", "lockAxis"],
|
|
rootElementSelector: [0, "cdkDragRootElement", "rootElementSelector"],
|
|
boundaryElement: [0, "cdkDragBoundary", "boundaryElement"],
|
|
dragStartDelay: [0, "cdkDragStartDelay", "dragStartDelay"],
|
|
freeDragPosition: [0, "cdkDragFreeDragPosition", "freeDragPosition"],
|
|
disabled: [2, "cdkDragDisabled", "disabled", booleanAttribute],
|
|
constrainPosition: [0, "cdkDragConstrainPosition", "constrainPosition"],
|
|
previewClass: [0, "cdkDragPreviewClass", "previewClass"],
|
|
previewContainer: [0, "cdkDragPreviewContainer", "previewContainer"],
|
|
scale: [2, "cdkDragScale", "scale", numberAttribute]
|
|
},
|
|
outputs: {
|
|
started: "cdkDragStarted",
|
|
released: "cdkDragReleased",
|
|
ended: "cdkDragEnded",
|
|
entered: "cdkDragEntered",
|
|
exited: "cdkDragExited",
|
|
dropped: "cdkDragDropped",
|
|
moved: "cdkDragMoved"
|
|
},
|
|
exportAs: ["cdkDrag"],
|
|
features: [ɵɵProvidersFeature([{
|
|
provide: CDK_DRAG_PARENT,
|
|
useExisting: _CdkDrag
|
|
}]), ɵɵNgOnChangesFeature]
|
|
});
|
|
};
|
|
(() => {
|
|
(typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(CdkDrag, [{
|
|
type: Directive,
|
|
args: [{
|
|
selector: "[cdkDrag]",
|
|
exportAs: "cdkDrag",
|
|
host: {
|
|
"class": "cdk-drag",
|
|
"[class.cdk-drag-disabled]": "disabled",
|
|
"[class.cdk-drag-dragging]": "_dragRef.isDragging()"
|
|
},
|
|
providers: [{
|
|
provide: CDK_DRAG_PARENT,
|
|
useExisting: CdkDrag
|
|
}]
|
|
}]
|
|
}], () => [], {
|
|
data: [{
|
|
type: Input,
|
|
args: ["cdkDragData"]
|
|
}],
|
|
lockAxis: [{
|
|
type: Input,
|
|
args: ["cdkDragLockAxis"]
|
|
}],
|
|
rootElementSelector: [{
|
|
type: Input,
|
|
args: ["cdkDragRootElement"]
|
|
}],
|
|
boundaryElement: [{
|
|
type: Input,
|
|
args: ["cdkDragBoundary"]
|
|
}],
|
|
dragStartDelay: [{
|
|
type: Input,
|
|
args: ["cdkDragStartDelay"]
|
|
}],
|
|
freeDragPosition: [{
|
|
type: Input,
|
|
args: ["cdkDragFreeDragPosition"]
|
|
}],
|
|
disabled: [{
|
|
type: Input,
|
|
args: [{
|
|
alias: "cdkDragDisabled",
|
|
transform: booleanAttribute
|
|
}]
|
|
}],
|
|
constrainPosition: [{
|
|
type: Input,
|
|
args: ["cdkDragConstrainPosition"]
|
|
}],
|
|
previewClass: [{
|
|
type: Input,
|
|
args: ["cdkDragPreviewClass"]
|
|
}],
|
|
previewContainer: [{
|
|
type: Input,
|
|
args: ["cdkDragPreviewContainer"]
|
|
}],
|
|
scale: [{
|
|
type: Input,
|
|
args: [{
|
|
alias: "cdkDragScale",
|
|
transform: numberAttribute
|
|
}]
|
|
}],
|
|
started: [{
|
|
type: Output,
|
|
args: ["cdkDragStarted"]
|
|
}],
|
|
released: [{
|
|
type: Output,
|
|
args: ["cdkDragReleased"]
|
|
}],
|
|
ended: [{
|
|
type: Output,
|
|
args: ["cdkDragEnded"]
|
|
}],
|
|
entered: [{
|
|
type: Output,
|
|
args: ["cdkDragEntered"]
|
|
}],
|
|
exited: [{
|
|
type: Output,
|
|
args: ["cdkDragExited"]
|
|
}],
|
|
dropped: [{
|
|
type: Output,
|
|
args: ["cdkDragDropped"]
|
|
}],
|
|
moved: [{
|
|
type: Output,
|
|
args: ["cdkDragMoved"]
|
|
}]
|
|
});
|
|
})();
|
|
var CDK_DROP_LIST_GROUP = new InjectionToken("CdkDropListGroup");
|
|
var CdkDropListGroup = class _CdkDropListGroup {
|
|
/** Drop lists registered inside the group. */
|
|
_items = /* @__PURE__ */ new Set();
|
|
/** Whether starting a dragging sequence from inside this group is disabled. */
|
|
disabled = false;
|
|
ngOnDestroy() {
|
|
this._items.clear();
|
|
}
|
|
static ɵfac = function CdkDropListGroup_Factory(__ngFactoryType__) {
|
|
return new (__ngFactoryType__ || _CdkDropListGroup)();
|
|
};
|
|
static ɵdir = ɵɵdefineDirective({
|
|
type: _CdkDropListGroup,
|
|
selectors: [["", "cdkDropListGroup", ""]],
|
|
inputs: {
|
|
disabled: [2, "cdkDropListGroupDisabled", "disabled", booleanAttribute]
|
|
},
|
|
exportAs: ["cdkDropListGroup"],
|
|
features: [ɵɵProvidersFeature([{
|
|
provide: CDK_DROP_LIST_GROUP,
|
|
useExisting: _CdkDropListGroup
|
|
}])]
|
|
});
|
|
};
|
|
(() => {
|
|
(typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(CdkDropListGroup, [{
|
|
type: Directive,
|
|
args: [{
|
|
selector: "[cdkDropListGroup]",
|
|
exportAs: "cdkDropListGroup",
|
|
providers: [{
|
|
provide: CDK_DROP_LIST_GROUP,
|
|
useExisting: CdkDropListGroup
|
|
}]
|
|
}]
|
|
}], null, {
|
|
disabled: [{
|
|
type: Input,
|
|
args: [{
|
|
alias: "cdkDropListGroupDisabled",
|
|
transform: booleanAttribute
|
|
}]
|
|
}]
|
|
});
|
|
})();
|
|
var CdkDropList = class _CdkDropList {
|
|
element = inject(ElementRef);
|
|
_changeDetectorRef = inject(ChangeDetectorRef);
|
|
_scrollDispatcher = inject(ScrollDispatcher);
|
|
_dir = inject(Directionality, {
|
|
optional: true
|
|
});
|
|
_group = inject(CDK_DROP_LIST_GROUP, {
|
|
optional: true,
|
|
skipSelf: true
|
|
});
|
|
/** Refs that have been synced with the drop ref most recently. */
|
|
_latestSortedRefs;
|
|
/** Emits when the list has been destroyed. */
|
|
_destroyed = new Subject();
|
|
/** Whether the element's scrollable parents have been resolved. */
|
|
_scrollableParentsResolved;
|
|
/** Keeps track of the drop lists that are currently on the page. */
|
|
static _dropLists = [];
|
|
/** Reference to the underlying drop list instance. */
|
|
_dropListRef;
|
|
/**
|
|
* Other draggable containers that this container is connected to and into which the
|
|
* container's items can be transferred. Can either be references to other drop containers,
|
|
* or their unique IDs.
|
|
*/
|
|
connectedTo = [];
|
|
/** Arbitrary data to attach to this container. */
|
|
data;
|
|
/** Direction in which the list is oriented. */
|
|
orientation;
|
|
/**
|
|
* Unique ID for the drop zone. Can be used as a reference
|
|
* in the `connectedTo` of another `CdkDropList`.
|
|
*/
|
|
id = inject(_IdGenerator).getId("cdk-drop-list-");
|
|
/** Locks the position of the draggable elements inside the container along the specified axis. */
|
|
lockAxis = null;
|
|
/** Whether starting a dragging sequence from this container is disabled. */
|
|
get disabled() {
|
|
return this._disabled || !!this._group && this._group.disabled;
|
|
}
|
|
set disabled(value) {
|
|
this._dropListRef.disabled = this._disabled = value;
|
|
}
|
|
_disabled;
|
|
/** Whether sorting within this drop list is disabled. */
|
|
sortingDisabled;
|
|
/**
|
|
* Function that is used to determine whether an item
|
|
* is allowed to be moved into a drop container.
|
|
*/
|
|
enterPredicate = () => true;
|
|
/** Functions that is used to determine whether an item can be sorted into a particular index. */
|
|
sortPredicate = () => true;
|
|
/** Whether to auto-scroll the view when the user moves their pointer close to the edges. */
|
|
autoScrollDisabled;
|
|
/** Number of pixels to scroll for each frame when auto-scrolling an element. */
|
|
autoScrollStep;
|
|
/**
|
|
* Selector that will be used to resolve an alternate element container for the drop list.
|
|
* Passing an alternate container is useful for the cases where one might not have control
|
|
* over the parent node of the draggable items within the list (e.g. due to content projection).
|
|
* This allows for usages like:
|
|
*
|
|
* ```
|
|
* <div cdkDropList cdkDropListElementContainer=".inner">
|
|
* <div class="inner">
|
|
* <div cdkDrag></div>
|
|
* </div>
|
|
* </div>
|
|
* ```
|
|
*/
|
|
elementContainerSelector;
|
|
/**
|
|
* By default when an item leaves its initial container, its placeholder will be transferred
|
|
* to the new container. If that's not desirable for your use case, you can enable this option
|
|
* which will clone the placeholder and leave it inside the original container. If the item is
|
|
* returned to the initial container, the anchor element will be removed automatically.
|
|
*
|
|
* The cloned placeholder can be styled by targeting the `cdk-drag-anchor` class.
|
|
*
|
|
* This option is useful in combination with `cdkDropListSortingDisabled` to implement copying
|
|
* behavior in a drop list.
|
|
*/
|
|
hasAnchor;
|
|
/** Emits when the user drops an item inside the container. */
|
|
dropped = new EventEmitter();
|
|
/**
|
|
* Emits when the user has moved a new drag item into this container.
|
|
*/
|
|
entered = new EventEmitter();
|
|
/**
|
|
* Emits when the user removes an item from the container
|
|
* by dragging it into another container.
|
|
*/
|
|
exited = new EventEmitter();
|
|
/** Emits as the user is swapping items while actively dragging. */
|
|
sorted = new EventEmitter();
|
|
/**
|
|
* Keeps track of the items that are registered with this container. Historically we used to
|
|
* do this with a `ContentChildren` query, however queries don't handle transplanted views very
|
|
* well which means that we can't handle cases like dragging the headers of a `mat-table`
|
|
* correctly. What we do instead is to have the items register themselves with the container
|
|
* and then we sort them based on their position in the DOM.
|
|
*/
|
|
_unsortedItems = /* @__PURE__ */ new Set();
|
|
constructor() {
|
|
const dragDrop = inject(DragDrop);
|
|
const config = inject(CDK_DRAG_CONFIG, {
|
|
optional: true
|
|
});
|
|
if (typeof ngDevMode === "undefined" || ngDevMode) {
|
|
assertElementNode(this.element.nativeElement, "cdkDropList");
|
|
}
|
|
this._dropListRef = dragDrop.createDropList(this.element);
|
|
this._dropListRef.data = this;
|
|
if (config) {
|
|
this._assignDefaults(config);
|
|
}
|
|
this._dropListRef.enterPredicate = (drag, drop) => {
|
|
return this.enterPredicate(drag.data, drop.data);
|
|
};
|
|
this._dropListRef.sortPredicate = (index, drag, drop) => {
|
|
return this.sortPredicate(index, drag.data, drop.data);
|
|
};
|
|
this._setupInputSyncSubscription(this._dropListRef);
|
|
this._handleEvents(this._dropListRef);
|
|
_CdkDropList._dropLists.push(this);
|
|
if (this._group) {
|
|
this._group._items.add(this);
|
|
}
|
|
}
|
|
/** Registers an items with the drop list. */
|
|
addItem(item) {
|
|
this._unsortedItems.add(item);
|
|
item._dragRef._withDropContainer(this._dropListRef);
|
|
if (this._dropListRef.isDragging()) {
|
|
this._syncItemsWithRef(this.getSortedItems().map((item2) => item2._dragRef));
|
|
}
|
|
}
|
|
/** Removes an item from the drop list. */
|
|
removeItem(item) {
|
|
this._unsortedItems.delete(item);
|
|
if (this._latestSortedRefs) {
|
|
const index = this._latestSortedRefs.indexOf(item._dragRef);
|
|
if (index > -1) {
|
|
this._latestSortedRefs.splice(index, 1);
|
|
this._syncItemsWithRef(this._latestSortedRefs);
|
|
}
|
|
}
|
|
}
|
|
/** Gets the registered items in the list, sorted by their position in the DOM. */
|
|
getSortedItems() {
|
|
return Array.from(this._unsortedItems).sort((a, b) => {
|
|
const documentPosition = a._dragRef.getVisibleElement().compareDocumentPosition(b._dragRef.getVisibleElement());
|
|
return documentPosition & Node.DOCUMENT_POSITION_FOLLOWING ? -1 : 1;
|
|
});
|
|
}
|
|
ngOnDestroy() {
|
|
const index = _CdkDropList._dropLists.indexOf(this);
|
|
if (index > -1) {
|
|
_CdkDropList._dropLists.splice(index, 1);
|
|
}
|
|
if (this._group) {
|
|
this._group._items.delete(this);
|
|
}
|
|
this._latestSortedRefs = void 0;
|
|
this._unsortedItems.clear();
|
|
this._dropListRef.dispose();
|
|
this._destroyed.next();
|
|
this._destroyed.complete();
|
|
}
|
|
/** Syncs the inputs of the CdkDropList with the options of the underlying DropListRef. */
|
|
_setupInputSyncSubscription(ref) {
|
|
if (this._dir) {
|
|
this._dir.change.pipe(startWith(this._dir.value), takeUntil(this._destroyed)).subscribe((value) => ref.withDirection(value));
|
|
}
|
|
ref.beforeStarted.subscribe(() => {
|
|
const siblings = coerceArray(this.connectedTo).map((drop) => {
|
|
if (typeof drop === "string") {
|
|
const correspondingDropList = _CdkDropList._dropLists.find((list) => list.id === drop);
|
|
if (!correspondingDropList && (typeof ngDevMode === "undefined" || ngDevMode)) {
|
|
console.warn(`CdkDropList could not find connected drop list with id "${drop}"`);
|
|
}
|
|
return correspondingDropList;
|
|
}
|
|
return drop;
|
|
});
|
|
if (this._group) {
|
|
this._group._items.forEach((drop) => {
|
|
if (siblings.indexOf(drop) === -1) {
|
|
siblings.push(drop);
|
|
}
|
|
});
|
|
}
|
|
if (!this._scrollableParentsResolved) {
|
|
const scrollableParents = this._scrollDispatcher.getAncestorScrollContainers(this.element).map((scrollable) => scrollable.getElementRef().nativeElement);
|
|
this._dropListRef.withScrollableParents(scrollableParents);
|
|
this._scrollableParentsResolved = true;
|
|
}
|
|
if (this.elementContainerSelector) {
|
|
const container = this.element.nativeElement.querySelector(this.elementContainerSelector);
|
|
if (!container && (typeof ngDevMode === "undefined" || ngDevMode)) {
|
|
throw new Error(`CdkDropList could not find an element container matching the selector "${this.elementContainerSelector}"`);
|
|
}
|
|
ref.withElementContainer(container);
|
|
}
|
|
ref.disabled = this.disabled;
|
|
ref.lockAxis = this.lockAxis;
|
|
ref.sortingDisabled = this.sortingDisabled;
|
|
ref.autoScrollDisabled = this.autoScrollDisabled;
|
|
ref.autoScrollStep = coerceNumberProperty(this.autoScrollStep, 2);
|
|
ref.hasAnchor = this.hasAnchor;
|
|
ref.connectedTo(siblings.filter((drop) => drop && drop !== this).map((list) => list._dropListRef)).withOrientation(this.orientation);
|
|
});
|
|
}
|
|
/** Handles events from the underlying DropListRef. */
|
|
_handleEvents(ref) {
|
|
ref.beforeStarted.subscribe(() => {
|
|
this._syncItemsWithRef(this.getSortedItems().map((item) => item._dragRef));
|
|
this._changeDetectorRef.markForCheck();
|
|
});
|
|
ref.entered.subscribe((event) => {
|
|
this.entered.emit({
|
|
container: this,
|
|
item: event.item.data,
|
|
currentIndex: event.currentIndex
|
|
});
|
|
});
|
|
ref.exited.subscribe((event) => {
|
|
this.exited.emit({
|
|
container: this,
|
|
item: event.item.data
|
|
});
|
|
this._changeDetectorRef.markForCheck();
|
|
});
|
|
ref.sorted.subscribe((event) => {
|
|
this.sorted.emit({
|
|
previousIndex: event.previousIndex,
|
|
currentIndex: event.currentIndex,
|
|
container: this,
|
|
item: event.item.data
|
|
});
|
|
});
|
|
ref.dropped.subscribe((dropEvent) => {
|
|
this.dropped.emit({
|
|
previousIndex: dropEvent.previousIndex,
|
|
currentIndex: dropEvent.currentIndex,
|
|
previousContainer: dropEvent.previousContainer.data,
|
|
container: dropEvent.container.data,
|
|
item: dropEvent.item.data,
|
|
isPointerOverContainer: dropEvent.isPointerOverContainer,
|
|
distance: dropEvent.distance,
|
|
dropPoint: dropEvent.dropPoint,
|
|
event: dropEvent.event
|
|
});
|
|
this._changeDetectorRef.markForCheck();
|
|
});
|
|
merge(ref.receivingStarted, ref.receivingStopped).subscribe(() => this._changeDetectorRef.markForCheck());
|
|
}
|
|
/** Assigns the default input values based on a provided config object. */
|
|
_assignDefaults(config) {
|
|
const {
|
|
lockAxis,
|
|
draggingDisabled,
|
|
sortingDisabled,
|
|
listAutoScrollDisabled,
|
|
listOrientation
|
|
} = config;
|
|
this.disabled = draggingDisabled == null ? false : draggingDisabled;
|
|
this.sortingDisabled = sortingDisabled == null ? false : sortingDisabled;
|
|
this.autoScrollDisabled = listAutoScrollDisabled == null ? false : listAutoScrollDisabled;
|
|
this.orientation = listOrientation || "vertical";
|
|
this.lockAxis = lockAxis || null;
|
|
}
|
|
/** Syncs up the registered drag items with underlying drop list ref. */
|
|
_syncItemsWithRef(items) {
|
|
this._latestSortedRefs = items;
|
|
this._dropListRef.withItems(items);
|
|
}
|
|
static ɵfac = function CdkDropList_Factory(__ngFactoryType__) {
|
|
return new (__ngFactoryType__ || _CdkDropList)();
|
|
};
|
|
static ɵdir = ɵɵdefineDirective({
|
|
type: _CdkDropList,
|
|
selectors: [["", "cdkDropList", ""], ["cdk-drop-list"]],
|
|
hostAttrs: [1, "cdk-drop-list"],
|
|
hostVars: 7,
|
|
hostBindings: function CdkDropList_HostBindings(rf, ctx) {
|
|
if (rf & 2) {
|
|
ɵɵattribute("id", ctx.id);
|
|
ɵɵclassProp("cdk-drop-list-disabled", ctx.disabled)("cdk-drop-list-dragging", ctx._dropListRef.isDragging())("cdk-drop-list-receiving", ctx._dropListRef.isReceiving());
|
|
}
|
|
},
|
|
inputs: {
|
|
connectedTo: [0, "cdkDropListConnectedTo", "connectedTo"],
|
|
data: [0, "cdkDropListData", "data"],
|
|
orientation: [0, "cdkDropListOrientation", "orientation"],
|
|
id: "id",
|
|
lockAxis: [0, "cdkDropListLockAxis", "lockAxis"],
|
|
disabled: [2, "cdkDropListDisabled", "disabled", booleanAttribute],
|
|
sortingDisabled: [2, "cdkDropListSortingDisabled", "sortingDisabled", booleanAttribute],
|
|
enterPredicate: [0, "cdkDropListEnterPredicate", "enterPredicate"],
|
|
sortPredicate: [0, "cdkDropListSortPredicate", "sortPredicate"],
|
|
autoScrollDisabled: [2, "cdkDropListAutoScrollDisabled", "autoScrollDisabled", booleanAttribute],
|
|
autoScrollStep: [0, "cdkDropListAutoScrollStep", "autoScrollStep"],
|
|
elementContainerSelector: [0, "cdkDropListElementContainer", "elementContainerSelector"],
|
|
hasAnchor: [2, "cdkDropListHasAnchor", "hasAnchor", booleanAttribute]
|
|
},
|
|
outputs: {
|
|
dropped: "cdkDropListDropped",
|
|
entered: "cdkDropListEntered",
|
|
exited: "cdkDropListExited",
|
|
sorted: "cdkDropListSorted"
|
|
},
|
|
exportAs: ["cdkDropList"],
|
|
features: [ɵɵProvidersFeature([
|
|
// Prevent child drop lists from picking up the same group as their parent.
|
|
{
|
|
provide: CDK_DROP_LIST_GROUP,
|
|
useValue: void 0
|
|
},
|
|
{
|
|
provide: CDK_DROP_LIST,
|
|
useExisting: _CdkDropList
|
|
}
|
|
])]
|
|
});
|
|
};
|
|
(() => {
|
|
(typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(CdkDropList, [{
|
|
type: Directive,
|
|
args: [{
|
|
selector: "[cdkDropList], cdk-drop-list",
|
|
exportAs: "cdkDropList",
|
|
providers: [
|
|
// Prevent child drop lists from picking up the same group as their parent.
|
|
{
|
|
provide: CDK_DROP_LIST_GROUP,
|
|
useValue: void 0
|
|
},
|
|
{
|
|
provide: CDK_DROP_LIST,
|
|
useExisting: CdkDropList
|
|
}
|
|
],
|
|
host: {
|
|
"class": "cdk-drop-list",
|
|
"[attr.id]": "id",
|
|
"[class.cdk-drop-list-disabled]": "disabled",
|
|
"[class.cdk-drop-list-dragging]": "_dropListRef.isDragging()",
|
|
"[class.cdk-drop-list-receiving]": "_dropListRef.isReceiving()"
|
|
}
|
|
}]
|
|
}], () => [], {
|
|
connectedTo: [{
|
|
type: Input,
|
|
args: ["cdkDropListConnectedTo"]
|
|
}],
|
|
data: [{
|
|
type: Input,
|
|
args: ["cdkDropListData"]
|
|
}],
|
|
orientation: [{
|
|
type: Input,
|
|
args: ["cdkDropListOrientation"]
|
|
}],
|
|
id: [{
|
|
type: Input
|
|
}],
|
|
lockAxis: [{
|
|
type: Input,
|
|
args: ["cdkDropListLockAxis"]
|
|
}],
|
|
disabled: [{
|
|
type: Input,
|
|
args: [{
|
|
alias: "cdkDropListDisabled",
|
|
transform: booleanAttribute
|
|
}]
|
|
}],
|
|
sortingDisabled: [{
|
|
type: Input,
|
|
args: [{
|
|
alias: "cdkDropListSortingDisabled",
|
|
transform: booleanAttribute
|
|
}]
|
|
}],
|
|
enterPredicate: [{
|
|
type: Input,
|
|
args: ["cdkDropListEnterPredicate"]
|
|
}],
|
|
sortPredicate: [{
|
|
type: Input,
|
|
args: ["cdkDropListSortPredicate"]
|
|
}],
|
|
autoScrollDisabled: [{
|
|
type: Input,
|
|
args: [{
|
|
alias: "cdkDropListAutoScrollDisabled",
|
|
transform: booleanAttribute
|
|
}]
|
|
}],
|
|
autoScrollStep: [{
|
|
type: Input,
|
|
args: ["cdkDropListAutoScrollStep"]
|
|
}],
|
|
elementContainerSelector: [{
|
|
type: Input,
|
|
args: ["cdkDropListElementContainer"]
|
|
}],
|
|
hasAnchor: [{
|
|
type: Input,
|
|
args: [{
|
|
alias: "cdkDropListHasAnchor",
|
|
transform: booleanAttribute
|
|
}]
|
|
}],
|
|
dropped: [{
|
|
type: Output,
|
|
args: ["cdkDropListDropped"]
|
|
}],
|
|
entered: [{
|
|
type: Output,
|
|
args: ["cdkDropListEntered"]
|
|
}],
|
|
exited: [{
|
|
type: Output,
|
|
args: ["cdkDropListExited"]
|
|
}],
|
|
sorted: [{
|
|
type: Output,
|
|
args: ["cdkDropListSorted"]
|
|
}]
|
|
});
|
|
})();
|
|
var CDK_DRAG_PREVIEW = new InjectionToken("CdkDragPreview");
|
|
var CdkDragPreview = class _CdkDragPreview {
|
|
templateRef = inject(TemplateRef);
|
|
_drag = inject(CDK_DRAG_PARENT, {
|
|
optional: true
|
|
});
|
|
/** Context data to be added to the preview template instance. */
|
|
data;
|
|
/** Whether the preview should preserve the same size as the item that is being dragged. */
|
|
matchSize = false;
|
|
constructor() {
|
|
this._drag?._setPreviewTemplate(this);
|
|
}
|
|
ngOnDestroy() {
|
|
this._drag?._resetPreviewTemplate(this);
|
|
}
|
|
static ɵfac = function CdkDragPreview_Factory(__ngFactoryType__) {
|
|
return new (__ngFactoryType__ || _CdkDragPreview)();
|
|
};
|
|
static ɵdir = ɵɵdefineDirective({
|
|
type: _CdkDragPreview,
|
|
selectors: [["ng-template", "cdkDragPreview", ""]],
|
|
inputs: {
|
|
data: "data",
|
|
matchSize: [2, "matchSize", "matchSize", booleanAttribute]
|
|
},
|
|
features: [ɵɵProvidersFeature([{
|
|
provide: CDK_DRAG_PREVIEW,
|
|
useExisting: _CdkDragPreview
|
|
}])]
|
|
});
|
|
};
|
|
(() => {
|
|
(typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(CdkDragPreview, [{
|
|
type: Directive,
|
|
args: [{
|
|
selector: "ng-template[cdkDragPreview]",
|
|
providers: [{
|
|
provide: CDK_DRAG_PREVIEW,
|
|
useExisting: CdkDragPreview
|
|
}]
|
|
}]
|
|
}], () => [], {
|
|
data: [{
|
|
type: Input
|
|
}],
|
|
matchSize: [{
|
|
type: Input,
|
|
args: [{
|
|
transform: booleanAttribute
|
|
}]
|
|
}]
|
|
});
|
|
})();
|
|
var CDK_DRAG_PLACEHOLDER = new InjectionToken("CdkDragPlaceholder");
|
|
var CdkDragPlaceholder = class _CdkDragPlaceholder {
|
|
templateRef = inject(TemplateRef);
|
|
_drag = inject(CDK_DRAG_PARENT, {
|
|
optional: true
|
|
});
|
|
/** Context data to be added to the placeholder template instance. */
|
|
data;
|
|
constructor() {
|
|
this._drag?._setPlaceholderTemplate(this);
|
|
}
|
|
ngOnDestroy() {
|
|
this._drag?._resetPlaceholderTemplate(this);
|
|
}
|
|
static ɵfac = function CdkDragPlaceholder_Factory(__ngFactoryType__) {
|
|
return new (__ngFactoryType__ || _CdkDragPlaceholder)();
|
|
};
|
|
static ɵdir = ɵɵdefineDirective({
|
|
type: _CdkDragPlaceholder,
|
|
selectors: [["ng-template", "cdkDragPlaceholder", ""]],
|
|
inputs: {
|
|
data: "data"
|
|
},
|
|
features: [ɵɵProvidersFeature([{
|
|
provide: CDK_DRAG_PLACEHOLDER,
|
|
useExisting: _CdkDragPlaceholder
|
|
}])]
|
|
});
|
|
};
|
|
(() => {
|
|
(typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(CdkDragPlaceholder, [{
|
|
type: Directive,
|
|
args: [{
|
|
selector: "ng-template[cdkDragPlaceholder]",
|
|
providers: [{
|
|
provide: CDK_DRAG_PLACEHOLDER,
|
|
useExisting: CdkDragPlaceholder
|
|
}]
|
|
}]
|
|
}], () => [], {
|
|
data: [{
|
|
type: Input
|
|
}]
|
|
});
|
|
})();
|
|
var DRAG_DROP_DIRECTIVES = [CdkDropList, CdkDropListGroup, CdkDrag, CdkDragHandle, CdkDragPreview, CdkDragPlaceholder];
|
|
var DragDropModule = class _DragDropModule {
|
|
static ɵfac = function DragDropModule_Factory(__ngFactoryType__) {
|
|
return new (__ngFactoryType__ || _DragDropModule)();
|
|
};
|
|
static ɵmod = ɵɵdefineNgModule({
|
|
type: _DragDropModule,
|
|
imports: [CdkDropList, CdkDropListGroup, CdkDrag, CdkDragHandle, CdkDragPreview, CdkDragPlaceholder],
|
|
exports: [CdkScrollableModule, CdkDropList, CdkDropListGroup, CdkDrag, CdkDragHandle, CdkDragPreview, CdkDragPlaceholder]
|
|
});
|
|
static ɵinj = ɵɵdefineInjector({
|
|
providers: [DragDrop],
|
|
imports: [CdkScrollableModule]
|
|
});
|
|
};
|
|
(() => {
|
|
(typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(DragDropModule, [{
|
|
type: NgModule,
|
|
args: [{
|
|
imports: DRAG_DROP_DIRECTIVES,
|
|
exports: [CdkScrollableModule, ...DRAG_DROP_DIRECTIVES],
|
|
providers: [DragDrop]
|
|
}]
|
|
}], null, null);
|
|
})();
|
|
export {
|
|
CDK_DRAG_CONFIG,
|
|
CDK_DRAG_HANDLE,
|
|
CDK_DRAG_PARENT,
|
|
CDK_DRAG_PLACEHOLDER,
|
|
CDK_DRAG_PREVIEW,
|
|
CDK_DROP_LIST,
|
|
CDK_DROP_LIST_GROUP,
|
|
CdkDrag,
|
|
CdkDragHandle,
|
|
CdkDragPlaceholder,
|
|
CdkDragPreview,
|
|
CdkDropList,
|
|
CdkDropListGroup,
|
|
DragDrop,
|
|
DragDropModule,
|
|
DragDropRegistry,
|
|
DragRef,
|
|
DropListRef,
|
|
copyArrayItem,
|
|
moveItemInArray,
|
|
transferArrayItem,
|
|
CdkScrollable as ɵɵCdkScrollable
|
|
};
|
|
//# sourceMappingURL=@angular_cdk_drag-drop.js.map
|