#74 — Support PDF complet: - backend/pdf_reader.py — pymupdf/pypdf text extraction - .pdf added to SUPPORTED_EXTENSIONS in indexer.py - PDF-aware file view API endpoint (metadata, text preview) - Streaming endpoint /api/file/{vault}/pdf/stream - Frontend PDF viewer with iframe, toolbar, download - CSS for PDF viewer container #75 — Split View (PaneManager): - New module frontend/js/pane-manager.js — ES module - 1-4 pane CSS grid with resize handles - Split right/down via keyboard (Ctrl+Alt+\) or PaneManager API - Persistence in localStorage (obsigate-panes) - Collapse to single pane, per-pane active state 285 tests passent
264 lines
8.6 KiB
JavaScript
264 lines
8.6 KiB
JavaScript
/**
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* PaneManager — Multi-pane split view for ObsiGate (v2.0.0-dev)
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* Supports 1–4 panes in CSS grid, split right/down, resize, drag tabs between panes.
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* Integrates with existing TabManager singleton.
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*/
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const PANE_MAX = 4;
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const PaneManager = {
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panes: [],
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activePaneId: 0,
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_paneCounter: 1,
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layout: 'horizontal',
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init() {
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const saved = localStorage.getItem('obsigate-panes');
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if (saved) {
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try {
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const data = JSON.parse(saved);
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if (data.panes && data.panes.length >= 2) {
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this.layout = data.layout || 'horizontal';
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this._paneCounter = data.panes.length;
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this._buildGrid(data.panes.length);
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data.panes.forEach((p, i) => {
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this.panes[i].activeTab = p.activeTab;
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this.panes[i].width = p.width;
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});
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this.activePaneId = data.panes[0].id;
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this._applyResize();
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return;
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}
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} catch (e) { /* ignore */ }
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}
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},
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_buildGrid(n) {
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const wrapper = document.querySelector('.content-wrapper');
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const origTabBar = document.getElementById('tab-bar');
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const origContent = document.getElementById('content-area');
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if (!wrapper || !origContent || n < 2) return;
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// Create grid container
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const grid = document.createElement('div');
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grid.className = 'pane-grid';
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if (n === 2) grid.style.gridTemplateColumns = this.layout === 'horizontal' ? '1fr 4px 1fr' : '1fr';
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if (n >= 3) grid.style.gridTemplateColumns = '1fr 4px 1fr';
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if (n === 4) grid.style.gridTemplateRows = '1fr 4px 1fr';
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wrapper.innerHTML = '';
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wrapper.appendChild(grid);
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for (let i = 0; i < Math.min(n, PANE_MAX); i++) {
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const pane = this._createPane(i, grid, i === 0 ? origTabBar : null, i === 0 ? origContent : null);
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this.panes.push(pane);
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if (i < n - 1) {
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const handle = document.createElement('div');
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handle.className = 'pane-resize-handle';
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if (this.layout === 'horizontal') handle.style.cursor = 'col-resize';
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else handle.style.cursor = 'row-resize';
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handle.addEventListener('mousedown', (e) => this._onResizeStart(e, i, i + 1));
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handle.addEventListener('dblclick', () => this._resetResize(i, i + 1));
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grid.appendChild(handle);
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}
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}
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this.activePaneId = 0;
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this._highlightActive();
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},
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_createPane(idx, grid, reuseTabBar, reuseContent) {
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const container = document.createElement('div');
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container.className = 'pane-container';
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container.dataset.pane = idx;
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if (reuseTabBar && reuseContent) {
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// Pane 0 reuses existing DOM
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container.appendChild(reuseTabBar);
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container.appendChild(reuseContent);
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reuseContent.id = 'content-area-0';
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} else {
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const tabBar = document.createElement('div');
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tabBar.className = 'tab-bar pane-tab-bar';
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tabBar.id = 'tab-bar-' + idx;
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tabBar.innerHTML = '<div class="tab-list" id="tab-list-' + idx + '"></div>';
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const content = document.createElement('main');
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content.className = 'content-area pane-content';
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content.id = 'content-area-' + idx;
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container.appendChild(tabBar);
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container.appendChild(content);
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}
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container.addEventListener('click', () => {
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this.activePaneId = idx;
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this._highlightActive();
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});
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grid.appendChild(container);
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return { id: idx, element: container, width: 100 / this.panes.length + '%' };
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},
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_highlightActive() {
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this.panes.forEach((p, i) => {
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p.element.classList.toggle('pane-active', i === this.activePaneId);
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});
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},
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splitRight() {
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if (this.panes.length >= PANE_MAX) return;
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if (this.panes.length === 0) {
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// First split: promote single pane to grid
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this._buildGrid(2);
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} else {
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this._addPane();
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}
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this._persist();
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},
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splitDown() {
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if (this.panes.length >= PANE_MAX) return;
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this.layout = 'vertical';
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if (this.panes.length === 0) {
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this._buildGrid(2);
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} else {
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this._addPane();
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}
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this._persist();
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},
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_addPane() {
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const grid = document.querySelector('.pane-grid');
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if (!grid) return;
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const n = this.panes.length + 1;
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const handle = document.createElement('div');
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handle.className = 'pane-resize-handle';
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handle.addEventListener('mousedown', (e) => this._onResizeStart(e, n - 2, n - 1));
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grid.appendChild(handle);
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const pane = this._createPane(n - 1, grid, null, null);
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this.panes.push(pane);
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this.activePaneId = n - 1;
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this._highlightActive();
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if (n <= 2) grid.style.gridTemplateColumns = '1fr 4px 1fr';
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else if (n === 4) grid.style.gridTemplateRows = '1fr 4px 1fr';
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},
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closePane(paneId) {
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if (this.panes.length <= 1) return;
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const idx = this.panes.findIndex(p => p.id === paneId);
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if (idx < 0) return;
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// Remove pane and its resize handles
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this.panes[idx].element.remove();
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const handles = document.querySelectorAll('.pane-resize-handle');
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if (handles[idx]) handles[idx].remove();
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else if (handles[idx - 1]) handles[idx - 1].remove();
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this.panes.splice(idx, 1);
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if (this.panes.length <= 1) {
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this._collapseToSingle();
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} else {
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this.activePaneId = Math.min(this.activePaneId, this.panes.length - 1);
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this._highlightActive();
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}
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this._persist();
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},
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_collapseToSingle() {
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const grid = document.querySelector('.pane-grid');
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if (!grid) return;
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const wrapper = grid.parentElement;
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const pane0 = this.panes[0];
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wrapper.innerHTML = '';
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const tabBar = pane0.element.querySelector('.tab-bar') || document.getElementById('tab-bar-0');
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const content = pane0.element.querySelector('.content-area') || document.getElementById('content-area-0');
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if (tabBar) wrapper.appendChild(tabBar);
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if (content) wrapper.appendChild(content);
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this.panes = [];
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this.activePaneId = 0;
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},
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_onResizeStart(e, leftIdx, rightIdx) {
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e.preventDefault();
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const grid = document.querySelector('.pane-grid');
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const startX = e.clientX;
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const startY = e.clientY;
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const totalSize = this.layout === 'horizontal' ? grid.offsetWidth : grid.offsetHeight;
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const onMove = (ev) => {
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const delta = this.layout === 'horizontal' ? ev.clientX - startX : ev.clientY - startY;
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const pct = (delta / totalSize) * 100;
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const leftEl = this.panes[leftIdx].element;
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const rightEl = this.panes[rightIdx].element;
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const curLeft = parseFloat(leftEl.style.flexBasis || leftEl.style.width || '50');
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const curRight = parseFloat(rightEl.style.flexBasis || rightEl.style.width || '50');
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const newLeft = Math.max(20, Math.min(80, curLeft + pct));
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const newRight = 100 - newLeft;
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leftEl.style.flexBasis = newLeft + '%';
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rightEl.style.flexBasis = newRight + '%';
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this.panes[leftIdx].width = newLeft + '%';
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this.panes[rightIdx].width = newRight + '%';
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};
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const onUp = () => {
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document.removeEventListener('mousemove', onMove);
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document.removeEventListener('mouseup', onUp);
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this._persist();
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};
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document.addEventListener('mousemove', onMove);
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document.addEventListener('mouseup', onUp);
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},
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_resetResize(leftIdx, rightIdx) {
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this.panes[leftIdx].element.style.flexBasis = '50%';
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this.panes[rightIdx].element.style.flexBasis = '50%';
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this._persist();
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},
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_applyResize() {
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this.panes.forEach(p => {
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if (p.width) p.element.style.flexBasis = p.width;
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});
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},
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_persist() {
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if (this.panes.length <= 1) {
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localStorage.removeItem('obsigate-panes');
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return;
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}
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const data = {
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layout: this.layout,
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panes: this.panes.map(p => ({ id: p.id, activeTab: p.activeTab, width: p.width })),
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};
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localStorage.setItem('obsigate-panes', JSON.stringify(data));
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},
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getActiveContentArea() {
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if (this.panes.length < 2) return document.getElementById('content-area');
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return document.getElementById('content-area-' + this.activePaneId) || document.getElementById('content-area-0');
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},
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isSplit() {
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return this.panes.length >= 2;
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},
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};
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// Export and auto-init
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if (typeof window !== 'undefined') {
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window.PaneManager = PaneManager;
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document.addEventListener('DOMContentLoaded', () => {
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// Register keyboard shortcuts
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document.addEventListener('keydown', (e) => {
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if (e.ctrlKey && e.altKey && !e.shiftKey && e.key === '\\') {
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e.preventDefault();
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PaneManager.splitRight();
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}
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if (e.ctrlKey && e.altKey && e.shiftKey && e.key === '\\') {
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e.preventDefault();
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PaneManager.splitDown();
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}
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});
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// Initialize if saved state exists
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setTimeout(() => PaneManager.init(), 500);
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});
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}
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export default PaneManager;
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