859 lines
30 KiB
JavaScript
859 lines
30 KiB
JavaScript
/* jshint -W084, -W099 */
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define([
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'jquery',
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'underscore',
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'settings',
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'eventMgr',
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'prism-core',
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'diff_match_patch_uncompressed',
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'jsondiffpatch',
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'crel',
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'MutationObservers',
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'libs/prism-markdown'
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], function ($, _, settings, eventMgr, Prism, diff_match_patch, jsondiffpatch, crel) {
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function strSplice(str, i, remove, add) {
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remove = +remove || 0;
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add = add || '';
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return str.slice(0, i) + add + str.slice(i + remove);
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}
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var editor = {};
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var selectionStart = 0;
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var selectionEnd = 0;
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var scrollTop = 0;
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var inputElt;
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var $inputElt;
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var contentElt;
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var $contentElt;
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var marginElt;
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var $marginElt;
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var previewElt;
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var pagedownEditor;
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var refreshPreviewLater = (function() {
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var elapsedTime = 0;
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var refreshPreview = function() {
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var startTime = Date.now();
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pagedownEditor.refreshPreview();
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elapsedTime = Date.now() - startTime;
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};
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if(settings.lazyRendering === true) {
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return _.debounce(refreshPreview, 500);
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}
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return function() {
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setTimeout(refreshPreview, elapsedTime < 2000 ? elapsedTime : 2000);
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};
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})();
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eventMgr.addListener('onPagedownConfigure', function(editor) {
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pagedownEditor = editor;
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});
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eventMgr.addListener('onSectionsCreated', function(newSectionList) {
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updateSectionList(newSectionList);
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highlightSections();
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if(fileChanged === true) {
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// Refresh preview synchronously
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pagedownEditor.refreshPreview();
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}
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else {
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refreshPreviewLater();
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}
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});
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var fileChanged = true;
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var fileDesc;
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eventMgr.addListener('onFileSelected', function(selectedFileDesc) {
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fileChanged = true;
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fileDesc = selectedFileDesc;
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});
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// Watcher used to detect editor changes
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function Watcher() {
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this.isWatching = false;
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var contentObserver;
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this.startWatching = function() {
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this.isWatching = true;
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contentObserver = contentObserver || new MutationObserver(checkContentChange);
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contentObserver.observe(contentElt, {
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childList: true,
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subtree: true,
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characterData: true
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});
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};
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this.stopWatching = function() {
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contentObserver.disconnect();
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this.isWatching = false;
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};
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this.noWatch = function(cb) {
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if(this.isWatching === true) {
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this.stopWatching();
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cb();
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this.startWatching();
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}
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else {
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cb();
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}
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};
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}
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var watcher = new Watcher();
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editor.watcher = watcher;
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function setValue(value) {
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var startOffset = diffMatchPatch.diff_commonPrefix(previousTextContent, value);
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var endOffset = Math.min(
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diffMatchPatch.diff_commonSuffix(previousTextContent, value),
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previousTextContent.length - startOffset,
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value.length - startOffset
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);
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var replacement = value.substring(startOffset, value.length - endOffset);
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var range = createRange(startOffset, previousTextContent.length - endOffset);
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range.deleteContents();
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range.insertNode(document.createTextNode(replacement));
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}
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function setValueNoWatch(value) {
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setValue(value);
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previousTextContent = value;
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}
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editor.setValueNoWatch = setValueNoWatch;
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function setSelectionStartEnd(start, end, applySelection) {
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selectionStart = start;
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selectionEnd = end;
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fileDesc.editorStart = selectionStart;
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fileDesc.editorEnd = selectionEnd;
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if(applySelection === false) {
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return;
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}
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var range = createRange(start, end);
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var selection = window.getSelection();
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selection.removeAllRanges();
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selection.addRange(range);
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}
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function createRange(start, end) {
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var range = document.createRange();
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var offset = _.isObject(start) ? start : findOffset(start);
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range.setStart(offset.element, offset.offset);
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if (end && end != start) {
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offset = _.isObject(end) ? end : findOffset(end);
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}
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range.setEnd(offset.element, offset.offset);
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return range;
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}
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var diffMatchPatch = new diff_match_patch();
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var jsonDiffPatch = jsondiffpatch.create({
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objectHash: function(obj) {
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return JSON.stringify(obj);
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},
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arrays: {
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detectMove: false,
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},
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textDiff: {
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minLength: 9999999
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}
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});
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var previousTextContent;
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function UndoManager() {
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var undoStack = [];
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var redoStack = [];
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var lastTime;
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var lastMode;
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var currentState;
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var selectionStartBefore;
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var selectionEndBefore;
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this.setCommandMode = function() {
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this.currentMode = 'command';
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};
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this.setMode = function() {}; // For compatibility with PageDown
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this.onButtonStateChange = function() {}; // To be overridden by PageDown
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this.saveState = function() {
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redoStack = [];
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var currentTime = Date.now();
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if(this.currentMode == 'comment' || (this.currentMode != lastMode && lastMode != 'newlines') || currentTime - lastTime > 1000) {
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undoStack.push(currentState);
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// Limit the size of the stack
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if(undoStack.length === 100) {
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undoStack.shift();
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}
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}
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else {
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selectionStartBefore = currentState.selectionStartBefore;
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selectionEndBefore = currentState.selectionEndBefore;
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}
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currentState = {
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selectionStartBefore: selectionStartBefore,
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selectionEndBefore: selectionEndBefore,
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selectionStartAfter: selectionStart,
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selectionEndAfter: selectionEnd,
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content: previousTextContent,
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discussionListJSON: fileDesc.discussionListJSON
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};
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lastTime = currentTime;
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lastMode = this.currentMode;
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this.currentMode = undefined;
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this.onButtonStateChange();
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};
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this.saveSelectionState = _.debounce(function() {
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if(this.currentMode === undefined) {
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selectionStartBefore = selectionStart;
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selectionEndBefore = selectionEnd;
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}
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}, 10);
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this.canUndo = function() {
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return undoStack.length;
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};
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this.canRedo = function() {
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return redoStack.length;
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};
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var self = this;
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function restoreState(state, selectionStart, selectionEnd) {
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// Update editor
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watcher.noWatch(function() {
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if(previousTextContent != state.content) {
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setValueNoWatch(state.content);
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fileDesc.content = state.content;
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eventMgr.onContentChanged(fileDesc, state.content);
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}
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setSelectionStartEnd(selectionStart, selectionEnd);
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var discussionListJSON = fileDesc.discussionListJSON;
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if(discussionListJSON != state.discussionListJSON) {
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var oldDiscussionList = fileDesc.discussionList;
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fileDesc.discussionListJSON = state.discussionListJSON;
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var newDiscussionList = fileDesc.discussionList;
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var diff = jsonDiffPatch.diff(oldDiscussionList, newDiscussionList);
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var commentsChanged = false;
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_.each(diff, function(discussionDiff, discussionIndex) {
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if(!_.isArray(discussionDiff)) {
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commentsChanged = true;
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}
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else if(discussionDiff.length === 1) {
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eventMgr.onDiscussionCreated(fileDesc, newDiscussionList[discussionIndex]);
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}
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else {
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eventMgr.onDiscussionRemoved(fileDesc, oldDiscussionList[discussionIndex]);
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}
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});
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commentsChanged && eventMgr.onCommentsChanged(fileDesc);
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}
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});
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selectionStartBefore = selectionStart;
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selectionEndBefore = selectionEnd;
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currentState = state;
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self.currentMode = undefined;
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lastMode = undefined;
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self.onButtonStateChange();
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adjustCursorPosition();
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}
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this.undo = function() {
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var state = undoStack.pop();
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if(!state) {
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return;
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}
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redoStack.push(currentState);
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restoreState(state, currentState.selectionStartBefore, currentState.selectionEndBefore);
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};
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this.redo = function() {
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var state = redoStack.pop();
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if(!state) {
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return;
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}
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undoStack.push(currentState);
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restoreState(state, state.selectionStartAfter, state.selectionEndAfter);
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};
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this.init = function() {
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var content = fileDesc.content;
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undoStack = [];
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redoStack = [];
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lastTime = 0;
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currentState = {
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selectionStartAfter: fileDesc.selectionStart,
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selectionEndAfter: fileDesc.selectionEnd,
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content: content,
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discussionListJSON: fileDesc.discussionListJSON
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};
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this.currentMode = undefined;
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lastMode = undefined;
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contentElt.textContent = content;
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};
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}
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var undoManager = new UndoManager();
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editor.undoManager = undoManager;
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function onComment() {
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if(watcher.isWatching === true) {
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undoManager.currentMode = 'comment';
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undoManager.saveState();
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}
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}
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eventMgr.addListener('onDiscussionCreated', onComment);
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eventMgr.addListener('onDiscussionRemoved', onComment);
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eventMgr.addListener('onCommentsChanged', onComment);
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function saveSelectionState() {
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if(fileChanged === false) {
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var selection = window.getSelection();
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if (selection.rangeCount > 0) {
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var range = selection.getRangeAt(0);
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var element = range.startContainer;
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if ((inputElt.compareDocumentPosition(element) & 0x10)) {
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var container = element;
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var offset = range.startOffset;
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do {
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while (element = element.previousSibling) {
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if (element.textContent) {
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offset += element.textContent.length;
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}
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}
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element = container = container.parentNode;
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} while (element && element != inputElt);
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selectionStart = offset;
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selectionEnd = offset + (range + '').length;
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}
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}
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fileDesc.editorStart = selectionStart;
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fileDesc.editorEnd = selectionEnd;
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}
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undoManager.saveSelectionState();
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}
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function checkContentChange() {
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saveSelectionState();
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var currentTextContent = inputElt.textContent;
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if(fileChanged === false) {
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if(currentTextContent == previousTextContent) {
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return;
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}
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if(!/\n$/.test(currentTextContent)) {
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currentTextContent += '\n';
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}
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undoManager.currentMode = undoManager.currentMode || 'typing';
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var changes = diffMatchPatch.diff_main(previousTextContent, currentTextContent);
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// Move comments according to changes
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var updateDiscussionList = false;
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var startOffset = 0;
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var discussionList = _.values(fileDesc.discussionList);
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fileDesc.newDiscussion && discussionList.push(fileDesc.newDiscussion);
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changes.forEach(function(change) {
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var changeType = change[0];
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var changeText = change[1];
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if(changeType === 0) {
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startOffset += changeText.length;
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return;
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}
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var endOffset = startOffset;
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var diffOffset = changeText.length;
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if(changeType === -1) {
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endOffset += diffOffset;
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diffOffset = -diffOffset;
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}
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discussionList.forEach(function(discussion) {
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// selectionEnd
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if(discussion.selectionEnd >= endOffset) {
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discussion.selectionEnd += diffOffset;
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updateDiscussionList = true;
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}
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else if(discussion.selectionEnd > startOffset) {
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discussion.selectionEnd = startOffset;
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updateDiscussionList = true;
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}
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// selectionStart
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if(discussion.selectionStart >= endOffset) {
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discussion.selectionStart += diffOffset;
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updateDiscussionList = true;
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}
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else if(discussion.selectionStart > startOffset) {
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discussion.selectionStart = startOffset;
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updateDiscussionList = true;
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}
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});
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startOffset = endOffset;
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});
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if(updateDiscussionList === true) {
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fileDesc.discussionList = fileDesc.discussionList; // Write discussionList in localStorage
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}
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fileDesc.content = currentTextContent;
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eventMgr.onContentChanged(fileDesc, currentTextContent);
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updateDiscussionList && eventMgr.onCommentsChanged(fileDesc);
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previousTextContent = currentTextContent;
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undoManager.saveState();
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}
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else {
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if(!/\n$/.test(currentTextContent)) {
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currentTextContent += '\n';
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fileDesc.content = currentTextContent;
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}
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selectionStart = fileDesc.editorStart;
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selectionEnd = fileDesc.editorEnd;
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eventMgr.onFileOpen(fileDesc, currentTextContent);
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previewElt.scrollTop = fileDesc.previewScrollTop;
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scrollTop = fileDesc.editorScrollTop;
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inputElt.scrollTop = scrollTop;
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previousTextContent = currentTextContent;
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fileChanged = false;
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}
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}
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function findOffset(offset) {
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var walker = document.createTreeWalker(contentElt, 4);
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while(walker.nextNode()) {
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var text = walker.currentNode.nodeValue || '';
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if (text.length > offset) {
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return {
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element: walker.currentNode,
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offset: offset
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};
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}
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offset -= text.length;
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}
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return {
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element: contentElt,
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offset: 0,
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error: true
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};
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}
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function getCoordinates(inputOffset, element, offset) {
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var x = 0;
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var y = 0;
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if(element.textContent == '\n') {
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y = element.parentNode.offsetTop + element.parentNode.offsetHeight / 2;
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}
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else {
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var selectedChar = inputElt.textContent[inputOffset];
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var selectionRange;
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if(selectedChar === undefined || selectedChar == '\n') {
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selectionRange = createRange(inputOffset - 1, {
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element: element,
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offset: offset
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});
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}
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else {
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selectionRange = createRange({
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element: element,
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offset: offset
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}, inputOffset + 1);
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}
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var selectionRect = selectionRange.getBoundingClientRect();
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y = selectionRect.top + selectionRect.height / 2 - inputElt.offsetTop + inputElt.scrollTop;
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selectionRange.detach();
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}
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return {
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x: x,
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y: y
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};
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}
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var cursorY = 0;
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var isBackwardSelection = false;
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function updateCursorCoordinates() {
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saveSelectionState();
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$inputElt.toggleClass('has-selection', selectionStart !== selectionEnd);
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var element;
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var offset;
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var inputOffset;
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if(inputElt.focused) {
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isBackwardSelection = false;
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var selection = window.getSelection();
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if(!selection.rangeCount) {
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return;
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}
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if (!selection.isCollapsed) {
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var range = document.createRange();
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range.setStart(selection.anchorNode, selection.anchorOffset);
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range.setEnd(selection.focusNode, selection.focusOffset);
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isBackwardSelection = range.collapsed;
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range.detach();
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}
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var selectionRange = selection.getRangeAt(0);
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element = isBackwardSelection ? selectionRange.startContainer : selectionRange.endContainer;
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offset = isBackwardSelection ? selectionRange.startOffset : selectionRange.endOffset;
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inputOffset = isBackwardSelection ? selectionStart : selectionEnd;
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}
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else {
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inputOffset = isBackwardSelection ? selectionStart : selectionEnd;
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var elementOffset = findOffset(inputOffset);
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element = elementOffset.element;
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offset = elementOffset.offset;
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}
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var coordinates = getCoordinates(inputOffset, element, offset);
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cursorY = coordinates.y;
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eventMgr.onCursorCoordinates(coordinates.x, coordinates.y);
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}
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var adjustCursorPosition = _.debounce(function() {
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if(inputElt === undefined) {
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return;
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}
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updateCursorCoordinates();
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var adjust = inputElt.offsetHeight / 2;
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if(adjust > 130) {
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adjust = 130;
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}
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var cursorMinY = inputElt.scrollTop + adjust;
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var cursorMaxY = inputElt.scrollTop + inputElt.offsetHeight - adjust;
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if(cursorY < cursorMinY) {
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inputElt.scrollTop += cursorY - cursorMinY;
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}
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else if(cursorY > cursorMaxY) {
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inputElt.scrollTop += cursorY - cursorMaxY;
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}
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}, 0);
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eventMgr.addListener('onLayoutResize', adjustCursorPosition);
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editor.init = function(elt1, elt2) {
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inputElt = elt1;
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$inputElt = $(inputElt);
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editor.inputElt = inputElt;
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editor.$inputElt = $inputElt;
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previewElt = elt2;
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contentElt = crel('div', {
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class: 'editor-content',
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contenteditable: true
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});
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inputElt.appendChild(contentElt);
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editor.contentElt = contentElt;
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$contentElt = $(contentElt);
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editor.$contentElt = $contentElt;
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marginElt = crel('div', {
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class: 'editor-margin'
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});
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inputElt.appendChild(marginElt);
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$marginElt = $(marginElt);
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editor.$marginElt = $marginElt;
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watcher.startWatching();
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$(inputElt).scroll(function() {
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scrollTop = inputElt.scrollTop;
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if(fileChanged === false) {
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fileDesc.editorScrollTop = scrollTop;
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}
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});
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$(previewElt).scroll(function() {
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if(fileChanged === false) {
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fileDesc.previewScrollTop = previewElt.scrollTop;
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}
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});
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inputElt.focus = function() {
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$contentElt.focus();
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setSelectionStartEnd(selectionStart, selectionEnd);
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inputElt.scrollTop = scrollTop;
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};
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$contentElt.focus(function() {
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inputElt.focused = true;
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});
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$contentElt.blur(function() {
|
|
inputElt.focused = false;
|
|
});
|
|
|
|
Object.defineProperty(inputElt, 'value', {
|
|
get: function () {
|
|
return this.textContent;
|
|
},
|
|
set: setValue
|
|
});
|
|
|
|
Object.defineProperty(inputElt, 'selectionStart', {
|
|
get: function () {
|
|
return selectionStart;
|
|
},
|
|
set: function (value) {
|
|
setSelectionStartEnd(value, selectionEnd);
|
|
},
|
|
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
|
|
Object.defineProperty(inputElt, 'selectionEnd', {
|
|
get: function () {
|
|
return selectionEnd;
|
|
},
|
|
set: function (value) {
|
|
setSelectionStartEnd(selectionStart, value);
|
|
},
|
|
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
|
|
inputElt.setSelectionStartEnd = setSelectionStartEnd;
|
|
inputElt.createRange = createRange;
|
|
inputElt.getOffsetCoordinates = function(ss) {
|
|
var offset = findOffset(ss);
|
|
return getCoordinates(ss, offset.element, offset.offset);
|
|
};
|
|
|
|
var clearNewline = false;
|
|
$contentElt.on('keydown', function (evt) {
|
|
if(
|
|
evt.which === 17 || // Ctrl
|
|
evt.which === 91 || // Cmd
|
|
evt.which === 18 || // Alt
|
|
evt.which === 16 // Shift
|
|
) {
|
|
return;
|
|
}
|
|
saveSelectionState();
|
|
|
|
var cmdOrCtrl = evt.metaKey || evt.ctrlKey;
|
|
if(!cmdOrCtrl) {
|
|
adjustCursorPosition();
|
|
}
|
|
|
|
switch (evt.which) {
|
|
case 9: // Tab
|
|
if (!cmdOrCtrl) {
|
|
action('indent', {
|
|
inverse: evt.shiftKey
|
|
});
|
|
evt.preventDefault();
|
|
}
|
|
break;
|
|
case 13:
|
|
action('newline');
|
|
evt.preventDefault();
|
|
break;
|
|
}
|
|
if(evt.which !== 13) {
|
|
clearNewline = false;
|
|
}
|
|
})
|
|
.on('mouseup', function() {
|
|
setTimeout(function() {
|
|
updateCursorCoordinates();
|
|
}, 0);
|
|
})
|
|
.on('paste', function () {
|
|
undoManager.currentMode = 'paste';
|
|
adjustCursorPosition();
|
|
})
|
|
.on('cut', function () {
|
|
undoManager.currentMode = 'cut';
|
|
adjustCursorPosition();
|
|
});
|
|
|
|
var action = function (action, options) {
|
|
options = options || {};
|
|
|
|
var text = inputElt.value,
|
|
ss = options.start || selectionStart,
|
|
se = options.end || selectionEnd,
|
|
state = {
|
|
ss: ss,
|
|
se: se,
|
|
before: text.slice(0, ss),
|
|
after: text.slice(se),
|
|
selection: text.slice(ss, se)
|
|
};
|
|
|
|
actions[action](state, options);
|
|
inputElt.value = state.before + state.selection + state.after;
|
|
setSelectionStartEnd(state.ss, state.se);
|
|
$inputElt.trigger('input');
|
|
};
|
|
|
|
var actions = {
|
|
indent: function (state, options) {
|
|
var lf = state.before.lastIndexOf('\n') + 1;
|
|
|
|
if (options.inverse) {
|
|
if (/\s/.test(state.before.charAt(lf))) {
|
|
state.before = strSplice(state.before, lf, 1);
|
|
|
|
state.ss--;
|
|
state.se--;
|
|
}
|
|
|
|
state.selection = state.selection.replace(/^[ \t]/gm, '');
|
|
} else if (state.selection) {
|
|
state.before = strSplice(state.before, lf, 0, '\t');
|
|
state.selection = state.selection.replace(/\r?\n(?=[\s\S])/g, '\n\t');
|
|
|
|
state.ss++;
|
|
state.se++;
|
|
} else {
|
|
state.before += '\t';
|
|
|
|
state.ss++;
|
|
state.se++;
|
|
|
|
return;
|
|
}
|
|
|
|
state.se = state.ss + state.selection.length;
|
|
},
|
|
|
|
newline: function (state) {
|
|
var lf = state.before.lastIndexOf('\n') + 1;
|
|
if(clearNewline) {
|
|
state.before = state.before.substring(0, lf);
|
|
state.selection = '';
|
|
state.ss = lf;
|
|
state.se = lf;
|
|
clearNewline = false;
|
|
return;
|
|
}
|
|
clearNewline = false;
|
|
var previousLine = state.before.slice(lf);
|
|
var indentMatch = previousLine.match(/^ {0,3}>[ ]*|^[ \t]*(?:[*+\-]|(\d+)\.)[ \t]|^\s+/);
|
|
var indent = (indentMatch || [''])[0];
|
|
if(indentMatch && indentMatch[1]) {
|
|
var number = parseInt(indentMatch[1], 10);
|
|
indent = indent.replace(/\d+/, number + 1);
|
|
}
|
|
if(indent.length) {
|
|
clearNewline = true;
|
|
}
|
|
|
|
undoManager.currentMode = 'newlines';
|
|
|
|
state.before += '\n' + indent;
|
|
state.selection = '';
|
|
state.ss += indent.length + 1;
|
|
state.se = state.ss;
|
|
},
|
|
};
|
|
};
|
|
|
|
var sectionList = [];
|
|
var sectionsToRemove = [];
|
|
var modifiedSections = [];
|
|
var insertBeforeSection;
|
|
function updateSectionList(newSectionList) {
|
|
|
|
modifiedSections = [];
|
|
sectionsToRemove = [];
|
|
insertBeforeSection = undefined;
|
|
|
|
// Render everything if file changed
|
|
if(fileChanged === true) {
|
|
sectionsToRemove = sectionList;
|
|
sectionList = newSectionList;
|
|
modifiedSections = newSectionList;
|
|
return;
|
|
}
|
|
|
|
// Find modified section starting from top
|
|
var leftIndex = sectionList.length;
|
|
_.some(sectionList, function(section, index) {
|
|
var newSection = newSectionList[index];
|
|
if(index >= newSectionList.length ||
|
|
// Check modified
|
|
section.textWithFrontMatter != newSection.textWithFrontMatter ||
|
|
// Check that section has not been detached or moved
|
|
section.elt.parentNode !== contentElt ||
|
|
// Check also the content since nodes can be injected in sections via copy/paste
|
|
section.elt.textContent != newSection.textWithFrontMatter) {
|
|
leftIndex = index;
|
|
return true;
|
|
}
|
|
});
|
|
|
|
// Find modified section starting from bottom
|
|
var rightIndex = -sectionList.length;
|
|
_.some(sectionList.slice().reverse(), function(section, index) {
|
|
var newSection = newSectionList[newSectionList.length - index - 1];
|
|
if(index >= newSectionList.length ||
|
|
// Check modified
|
|
section.textWithFrontMatter != newSection.textWithFrontMatter ||
|
|
// Check that section has not been detached or moved
|
|
section.elt.parentNode !== contentElt ||
|
|
// Check also the content since nodes can be injected in sections via copy/paste
|
|
section.elt.textContent != newSection.textWithFrontMatter) {
|
|
rightIndex = -index;
|
|
return true;
|
|
}
|
|
});
|
|
|
|
if(leftIndex - rightIndex > sectionList.length) {
|
|
// Prevent overlap
|
|
rightIndex = leftIndex - sectionList.length;
|
|
}
|
|
|
|
// Create an array composed of left unmodified, modified, right
|
|
// unmodified sections
|
|
var leftSections = sectionList.slice(0, leftIndex);
|
|
modifiedSections = newSectionList.slice(leftIndex, newSectionList.length + rightIndex);
|
|
var rightSections = sectionList.slice(sectionList.length + rightIndex, sectionList.length);
|
|
insertBeforeSection = _.first(rightSections);
|
|
sectionsToRemove = sectionList.slice(leftIndex, sectionList.length + rightIndex);
|
|
sectionList = leftSections.concat(modifiedSections).concat(rightSections);
|
|
}
|
|
|
|
function highlightSections() {
|
|
var newSectionEltList = document.createDocumentFragment();
|
|
modifiedSections.forEach(function(section) {
|
|
highlight(section);
|
|
newSectionEltList.appendChild(section.elt);
|
|
});
|
|
watcher.noWatch(function() {
|
|
if(fileChanged === true) {
|
|
contentElt.innerHTML = '';
|
|
contentElt.appendChild(newSectionEltList);
|
|
setSelectionStartEnd(selectionStart, selectionEnd);
|
|
}
|
|
else {
|
|
// Remove outdated sections
|
|
sectionsToRemove.forEach(function(section) {
|
|
// section can be already removed
|
|
section.elt.parentNode === contentElt && contentElt.removeChild(section.elt);
|
|
});
|
|
|
|
if(insertBeforeSection !== undefined) {
|
|
contentElt.insertBefore(newSectionEltList, insertBeforeSection.elt);
|
|
}
|
|
else {
|
|
contentElt.appendChild(newSectionEltList);
|
|
}
|
|
|
|
// Remove unauthorized nodes (text nodes outside of sections or duplicated sections via copy/paste)
|
|
var childNode = contentElt.firstChild;
|
|
while(childNode) {
|
|
var nextNode = childNode.nextSibling;
|
|
if(!childNode.generated) {
|
|
contentElt.removeChild(childNode);
|
|
}
|
|
childNode = nextNode;
|
|
}
|
|
|
|
setSelectionStartEnd(selectionStart, selectionEnd);
|
|
}
|
|
});
|
|
}
|
|
|
|
function highlight(section) {
|
|
var text = section.text.replace(/&/g, '&').replace(/</g, '<').replace(/\u00a0/g, ' ');
|
|
text = Prism.highlight(text, Prism.languages.md);
|
|
var frontMatter = section.textWithFrontMatter.substring(0, section.textWithFrontMatter.length - section.text.length);
|
|
if(frontMatter.length) {
|
|
// Front matter highlighting
|
|
frontMatter = frontMatter.replace(/&/g, '&').replace(/</g, '<').replace(/\u00a0/g, ' ');
|
|
frontMatter = frontMatter.replace(/\n/g, '<span class="token lf">\n</span>');
|
|
text = '<span class="token md">' + frontMatter + '</span>' + text;
|
|
}
|
|
var sectionElt = crel('span', {
|
|
id: 'wmd-input-section-' + section.id,
|
|
class: 'wmd-input-section'
|
|
});
|
|
sectionElt.generated = true;
|
|
sectionElt.innerHTML = text;
|
|
section.elt = sectionElt;
|
|
}
|
|
|
|
return editor;
|
|
});
|