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502 lines
18 KiB
JavaScript
502 lines
18 KiB
JavaScript
/**
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* Backup & Diff viewer module for ObsiGate.
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*
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* Provides a modal UI to browse file backups, compare versions with
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* a unified diff view, and restore previous versions.
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*
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* Usage:
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* import { openBackupViewer } from './backups.js';
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* openBackupViewer(vaultName, filePath);
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*/
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import { api } from './auth.js';
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import { showToast } from './ui.js';
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import { refreshSidebarTreePreservingState } from './sidebar.js';
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import { safeCreateIcons } from './utils.js';
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// ---------------------------------------------------------------------------
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// State
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// ---------------------------------------------------------------------------
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const state = {
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vault: null,
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path: null,
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backups: [],
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overlay: null,
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leftVersion: null,
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rightVersion: null,
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diffText: '',
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diffLeft: '',
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diffRight: '',
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diffMode: 'unified',
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};
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// ---------------------------------------------------------------------------
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// Public API
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// ---------------------------------------------------------------------------
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export async function openBackupViewer(vault, path) {
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state.vault = vault;
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state.path = path;
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state.backups = [];
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state.leftVersion = null;
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state.rightVersion = null;
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state.diffText = '';
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state.diffLeft = '';
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state.diffRight = '';
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const overlay = createOverlay();
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document.body.appendChild(overlay);
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state.overlay = overlay;
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requestAnimationFrame(function() { overlay.classList.add('active'); });
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setBody(renderLoading());
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try {
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var url = '/api/file/' + encodeURIComponent(vault) + '/backups?path=' + encodeURIComponent(path);
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var data = await api(url);
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state.backups = data.backups || [];
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} catch (err) {
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var msg = err && err.detail || err && err.message || 'Erreur inconnue';
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setBody(renderError('Erreur API: ' + msg));
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return;
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}
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if (state.backups.length === 0) {
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setBody(renderEmpty());
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return;
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}
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state.leftVersion = state.backups[0].timestamp;
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state.rightVersion = null;
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renderMainView();
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await loadDiff();
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}
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// ---------------------------------------------------------------------------
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// DOM helpers
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// ---------------------------------------------------------------------------
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var _escHandler = null;
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function createOverlay() {
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var overlay = document.createElement('div');
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overlay.className = 'obsigate-modal-overlay backup-viewer-overlay';
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overlay.addEventListener('click', function(e) {
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if (e.target === overlay) close();
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});
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var panel = document.createElement('div');
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panel.className = 'backup-viewer-panel';
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panel.id = 'backup-viewer-panel';
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overlay.appendChild(panel);
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// Close button -- static, never replaced by innerHTML
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var closeBtn = document.createElement('button');
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closeBtn.className = 'editor-btn backup-close-btn';
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closeBtn.id = 'backup-close';
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closeBtn.title = 'Fermer';
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closeBtn.style.cssText = 'position:absolute;top:12px;right:12px;z-index:1002;flex-shrink:0';
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closeBtn.innerHTML = '<i data-lucide="x" style="width:15px;height:15px"></i>';
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closeBtn.addEventListener('click', function(e) {
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e.stopPropagation();
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close();
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});
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overlay.appendChild(closeBtn);
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// Escape key
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_escHandler = function(e) {
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if (e.key === 'Escape' && state.overlay) close();
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};
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document.addEventListener('keydown', _escHandler);
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return overlay;
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}
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function setBody(html) {
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var panel = document.getElementById('backup-viewer-panel');
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if (panel) panel.innerHTML = html;
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}
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function close() {
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if (!state.overlay) return;
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if (_escHandler) {
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document.removeEventListener('keydown', _escHandler);
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_escHandler = null;
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}
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state.overlay.classList.remove('active');
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setTimeout(function() {
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if (state.overlay) state.overlay.remove();
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state.overlay = null;
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}, 200);
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}
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// Global click handler for close button
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document.addEventListener('click', function(e) {
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var btn = e.target.closest ? e.target.closest('#backup-close') : null;
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if (btn && state.overlay) close();
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});
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// ---------------------------------------------------------------------------
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// Rendering
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// ---------------------------------------------------------------------------
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function renderLoading() {
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return '<div class="backup-header"><h3>Backups</h3></div>' +
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'<div class="backup-body">' +
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'<div class="tree-loading" style="padding:2rem;text-align:center">' +
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'<div class="loading-spinner" style="width:24px;height:24px;border-width:3px;margin:0 auto"></div>' +
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'<p style="margin-top:0.75rem;color:var(--text-muted);font-size:0.85rem">Chargement des backups...</p>' +
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'</div></div>';
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}
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function renderError(msg) {
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return '<div class="backup-header"><h3>Backups</h3></div>' +
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'<div class="backup-body" style="text-align:center;padding:2rem;color:var(--text-muted)">' +
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'<p>' + escapeHtml(msg) + '</p></div>';
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}
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function renderEmpty() {
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return '<div class="backup-header"><h3>Backups - ' + escapeHtml(state.path) + '</h3></div>' +
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'<div class="backup-body" style="text-align:center;padding:2rem;color:var(--text-muted)">' +
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'<p>Aucun backup disponible pour ce fichier.</p>' +
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'<p style="font-size:0.8rem;margin-top:0.5rem">Les backups sont crees automatiquement avant chaque modification.</p>' +
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'</div>';
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}
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function renderMainView() {
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var b = state.backups;
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var leftOpts = b.map(function(bk) {
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var sel = bk.timestamp === state.leftVersion ? ' selected' : '';
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return '<option value="' + bk.timestamp + '"' + sel + '>' + formatTimestamp(bk.timestamp) + ' (' + formatSize(bk.size) + ')</option>';
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}).join('');
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var rightOpts = ['<option value="current"' + (state.rightVersion === null ? ' selected' : '') + '>Version actuelle</option>']
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.concat(b.map(function(bk) {
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var sel = bk.timestamp === state.rightVersion ? ' selected' : '';
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return '<option value="' + bk.timestamp + '"' + sel + '>' + formatTimestamp(bk.timestamp) + ' (' + formatSize(bk.size) + ')</option>';
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})).join('');
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var html =
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'<div class="backup-header">' +
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'<div class="backup-header-left">' +
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'<h3>'+t('backups.title')+'</h3>' +
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'<span class="backup-file-path">' + escapeHtml(state.path) + '</span>' +
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'</div>' +
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'<div class="backup-header-right">' +
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'<span class="backup-count">' + b.length + ' backup' + (b.length > 1 ? 's' : '') + '</span>' +
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'</div>' +
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'</div>' +
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'<div class="backup-toolbar">' +
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'<div class="backup-selector-group">' +
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'<label>Comparer :</label>' +
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'<select class="backup-select" id="backup-left-select">' + leftOpts + '</select>' +
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'</div>' +
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'<span class="backup-vs-label">vs</span>' +
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'<div class="backup-selector-group">' +
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'<select class="backup-select" id="backup-right-select">' + rightOpts + '</select>' +
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'</div>' +
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'<button class="backup-restore-btn" id="backup-restore-btn" title="Restaurer la version de gauche">' +
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'<i data-lucide="rotate-ccw" class="icon-sm"></i> Restaurer' +
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'</button>' +
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'<button class="backup-diff-mode-btn" id="backup-diff-mode-btn" title="Vue cote a cote">' +
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'<i data-lucide="columns-2" class="icon-sm"></i> Cote-a-cote' +
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'</button>' +
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'</div>' +
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'<div class="backup-diff-container" id="backup-diff-container">' +
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'<div class="backup-diff-loading">' +
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'<div class="loading-spinner" style="width:24px;height:24px;border-width:3px;margin:0 auto"></div>' +
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'</div>' +
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'</div>' +
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'<div class="backup-footer">' +
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'<span class="backup-footer-hint">Backups crees lors de la sauvegarde manuelle (Ctrl+S)</span>' +
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'<button class="backup-footer-manage-btn" id="backup-manage-btn">Gerer tous les backups</button>' +
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'</div>';
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setBody(html);
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bindEvents();
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}
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// ---------------------------------------------------------------------------
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// Event bindings
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// ---------------------------------------------------------------------------
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function bindEvents() {
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var leftSelect = document.getElementById('backup-left-select');
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if (leftSelect) {
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leftSelect.addEventListener('change', async function() {
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state.leftVersion = parseInt(leftSelect.value);
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await loadDiff();
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});
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}
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var rightSelect = document.getElementById('backup-right-select');
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if (rightSelect) {
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rightSelect.addEventListener('change', async function() {
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var val = rightSelect.value;
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state.rightVersion = val === 'current' ? null : parseInt(val);
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await loadDiff();
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});
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}
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var restoreBtn = document.getElementById('backup-restore-btn');
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if (restoreBtn) {
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restoreBtn.addEventListener('click', async function() {
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await restoreBackup();
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});
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}
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var modeBtn = document.getElementById('backup-diff-mode-btn');
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var manageBtn = document.getElementById('backup-manage-btn');
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if (manageBtn) {
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manageBtn.addEventListener('click', function() {
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close();
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import('./backup-manager.js').then(function(m) { m.openBackupManager(); });
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});
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}
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if (modeBtn) {
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modeBtn.addEventListener('click', function() {
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state.diffMode = state.diffMode === 'sidebyside' ? 'unified' : 'sidebyside';
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var container = document.getElementById('backup-diff-container');
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if (container) {
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container.innerHTML = state.diffMode === 'sidebyside'
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? renderDiffSideBySide(state.diffLeft, state.diffRight)
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: renderDiff(state.diffText);
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}
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var icon = modeBtn.querySelector('i');
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if (icon) icon.setAttribute('data-lucide', state.diffMode === 'sidebyside' ? 'columns-2' : 'align-justify');
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var textNodes = [];
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for (var i = 0; i < modeBtn.childNodes.length; i++) {
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if (modeBtn.childNodes[i].nodeType === 3) textNodes.push(modeBtn.childNodes[i]);
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}
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textNodes.forEach(function(n) { n.remove(); });
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modeBtn.appendChild(document.createTextNode(state.diffMode === 'sidebyside' ? ' Unifiee' : ' Cote-a-cote'));
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safeCreateIcons();
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});
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}
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}
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// ---------------------------------------------------------------------------
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// Data loading
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// ---------------------------------------------------------------------------
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async function loadDiff() {
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var container = document.getElementById('backup-diff-container');
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if (!container) return;
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container.innerHTML =
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'<div class="backup-diff-loading">' +
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'<div class="loading-spinner" style="width:24px;height:24px;border-width:3px;margin:0 auto"></div>' +
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'</div>';
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var url = '/api/file/' + encodeURIComponent(state.vault) + '/diff?path=' + encodeURIComponent(state.path) + '&version=' + state.leftVersion;
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if (state.rightVersion !== null) {
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url += '&compare_with=' + state.rightVersion;
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}
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try {
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var data = await api(url);
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state.diffText = data.diff || '';
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state.diffLeft = data.left_content || '';
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state.diffRight = data.right_content || '';
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container.innerHTML = state.diffMode === 'sidebyside'
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? renderDiffSideBySide(state.diffLeft, state.diffRight)
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: renderDiff(state.diffText);
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} catch (err) {
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container.innerHTML = '<div class="backup-diff-error">Erreur: ' + escapeHtml((err && err.detail) || (err && err.message) || 'Unknown') + '</div>';
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}
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}
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async function restoreBackup() {
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if (!state.leftVersion) return;
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var confirmed = confirm(
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'Restaurer "' + state.path + '" a la version du ' + formatTimestamp(state.leftVersion) + ' ?\n\n' +
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'La version actuelle sera sauvegardee avant la restauration.'
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);
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if (!confirmed) return;
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var restoreBtn = document.getElementById('backup-restore-btn');
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if (restoreBtn) {
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restoreBtn.disabled = true;
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restoreBtn.textContent = 'Restauration...';
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}
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try {
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var resp = await api(
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'/api/file/' + encodeURIComponent(state.vault) + '/restore?path=' + encodeURIComponent(state.path),
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{
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ version: state.leftVersion }),
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}
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);
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if (resp && resp.success) {
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showToast(t('backup.file_restored'), 'success');
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await refreshSidebarTreePreservingState();
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close();
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if (typeof TabManager !== 'undefined' && TabManager.reloadCurrent) {
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TabManager.reloadCurrent();
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}
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} else {
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showToast(t('backup.restore_failed'), 'error');
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}
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} catch (err) {
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showToast('Erreur: ' + ((err && err.detail) || (err && err.message) || 'Unknown'), 'error');
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} finally {
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if (restoreBtn) {
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restoreBtn.disabled = false;
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restoreBtn.innerHTML = '<i data-lucide="rotate-ccw" class="icon-sm"></i> Restaurer';
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safeCreateIcons();
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}
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}
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}
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// ---------------------------------------------------------------------------
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// Diff rendering
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// ---------------------------------------------------------------------------
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function renderDiff(diffText) {
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if (!diffText) {
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return '<div class="backup-diff-empty">Aucune difference - les versions sont identiques.</div>';
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}
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var html = '<div class="backup-diff-output"><table class="backup-diff-table">';
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var lines = diffText.split('\n');
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for (var i = 0; i < lines.length; i++) {
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var line = lines[i];
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var cssClass = 'diff-context';
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var prefix = ' ';
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if (line.indexOf('@@') === 0) { cssClass = 'diff-hunk'; prefix = ''; }
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else if (line.indexOf('+') === 0) { cssClass = 'diff-add'; prefix = '+'; }
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else if (line.indexOf('-') === 0) { cssClass = 'diff-del'; prefix = '-'; }
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else if (line.indexOf('---') === 0 || line.indexOf('+++') === 0) { cssClass = 'diff-header-line'; prefix = ''; }
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html += '<tr class="' + cssClass + '"><td class="diff-prefix">' + prefix + '</td><td class="diff-content"><pre>' + escapeHtml(line) + '</pre></td></tr>';
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}
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html += '</table></div>';
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return html;
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}
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// ---------------------------------------------------------------------------
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// Side-by-side diff rendering
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// ---------------------------------------------------------------------------
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function renderDiffSideBySide(leftText, rightText) {
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if (!leftText && !rightText) {
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return '<div class="backup-diff-empty">Aucune difference - les versions sont identiques.</div>';
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}
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var leftLines = (leftText || '').split('\n');
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var rightLines = (rightText || '').split('\n');
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var sm = new DifflibSeqMatcher(leftLines, rightLines);
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var ops = sm.getOpcodes();
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var html = '<div class="backup-diff-output backup-diff-sidebyside"><table class="backup-diff-table sidebyside"><colgroup><col style="width:50%"><col style="width:50%"></colgroup><tbody>';
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for (var oi = 0; oi < ops.length; oi++) {
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var op = ops[oi];
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var tag = op[0], i1 = op[1], i2 = op[2], j1 = op[3], j2 = op[4];
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if (tag === 'equal') {
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for (var k = 0; k < (i2 - i1); k++) {
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html += '<tr class="diff-context"><td class="diff-content sidebyside-left"><pre>' + escapeHtml(leftLines[i1 + k]) + '</pre></td><td class="diff-content sidebyside-right"><pre>' + escapeHtml(rightLines[j1 + k]) + '</pre></td></tr>';
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}
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} else if (tag === 'delete') {
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for (var k2 = i1; k2 < i2; k2++) {
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html += '<tr class="diff-del"><td class="diff-content sidebyside-left"><pre>' + escapeHtml(leftLines[k2]) + '</pre></td><td class="diff-content sidebyside-right diff-empty-cell"></td></tr>';
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}
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} else if (tag === 'insert') {
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for (var k3 = j1; k3 < j2; k3++) {
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html += '<tr class="diff-add"><td class="diff-content sidebyside-left diff-empty-cell"></td><td class="diff-content sidebyside-right"><pre>' + escapeHtml(rightLines[k3]) + '</pre></td></tr>';
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}
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} else if (tag === 'replace') {
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var maxLen = Math.max(i2 - i1, j2 - j1);
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for (var k4 = 0; k4 < maxLen; k4++) {
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var leftLine = (i1 + k4 < i2) ? escapeHtml(leftLines[i1 + k4]) : '';
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var rightLine = (j1 + k4 < j2) ? escapeHtml(rightLines[j1 + k4]) : '';
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var leftClass = (i1 + k4 < i2) ? 'diff-del' : 'diff-empty-cell';
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var rightClass = (j1 + k4 < j2) ? 'diff-add' : 'diff-empty-cell';
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html += '<tr><td class="diff-content sidebyside-left ' + leftClass + '"><pre>' + leftLine + '</pre></td><td class="diff-content sidebyside-right ' + rightClass + '"><pre>' + rightLine + '</pre></td></tr>';
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}
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}
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}
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html += '</tbody></table></div>';
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return html;
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}
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// Minimal SequenceMatcher for line-based diff
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function DifflibSeqMatcher(a, b) {
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this.a = a;
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this.b = b;
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}
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DifflibSeqMatcher.prototype.getOpcodes = function() {
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var m = this.a.length, n = this.b.length;
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var dp = [];
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for (var i = 0; i <= m; i++) { dp[i] = []; for (var j = 0; j <= n; j++) dp[i][j] = 0; }
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for (var i = 1; i <= m; i++) {
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for (var j = 1; j <= n; j++) {
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if (this.a[i - 1] === this.b[j - 1]) dp[i][j] = dp[i - 1][j - 1] + 1;
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else dp[i][j] = Math.max(dp[i - 1][j], dp[i][j - 1]);
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}
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}
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var ops = [];
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var i = m, j = n;
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while (i > 0 || j > 0) {
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if (i > 0 && j > 0 && this.a[i - 1] === this.b[j - 1]) {
|
|
var ei = i - 1, ej = j - 1;
|
|
while (ei > 0 && ej > 0 && this.a[ei - 1] === this.b[ej - 1]) { ei--; ej--; }
|
|
if (ei < i) ops.unshift(['equal', ei, i, ej, j]);
|
|
i = ei; j = ej;
|
|
} else if (j > 0 && (i === 0 || dp[i][j - 1] >= dp[i - 1][j])) {
|
|
ops.unshift(['insert', i, i, j - 1, j]);
|
|
j--;
|
|
} else if (i > 0 && (j === 0 || dp[i][j - 1] < dp[i - 1][j])) {
|
|
ops.unshift(['delete', i - 1, i, j, j]);
|
|
i--;
|
|
}
|
|
}
|
|
var merged = [];
|
|
for (var k = 0; k < ops.length; k++) {
|
|
if (merged.length > 0 && merged[merged.length - 1][0] === 'delete' && ops[k][0] === 'insert' &&
|
|
merged[merged.length - 1][4] === ops[k][3]) {
|
|
var del = merged.pop();
|
|
merged.push(['replace', del[1], del[2], ops[k][3], ops[k][4]]);
|
|
} else {
|
|
merged.push(ops[k]);
|
|
}
|
|
}
|
|
return merged;
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// Utility
|
|
// ---------------------------------------------------------------------------
|
|
|
|
function formatTimestamp(ts) {
|
|
var d = new Date(ts * 1000);
|
|
var pad = function(n) { return String(n).padStart(2, '0'); };
|
|
return d.getFullYear() + '-' + pad(d.getMonth() + 1) + '-' + pad(d.getDate()) + ' ' + pad(d.getHours()) + ':' + pad(d.getMinutes());
|
|
}
|
|
|
|
function formatSize(bytes) {
|
|
if (bytes < 1024) return bytes + ' o';
|
|
if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' Ko';
|
|
return (bytes / (1024 * 1024)).toFixed(1) + ' Mo';
|
|
}
|
|
|
|
function escapeHtml(str) {
|
|
var div = document.createElement('div');
|
|
div.textContent = str;
|
|
return div.innerHTML;
|
|
}
|