X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/0c978bca67983e93096a8e744b53e50861a9333d..7f874f6f1c6b40a47a8c68fb3818b23a7609fbe3:/src/editor/modules/documentCanvas/canvas/canvas.js diff --git a/src/editor/modules/documentCanvas/canvas/canvas.js b/src/editor/modules/documentCanvas/canvas/canvas.js index b6ddf71..6a60f80 100644 --- a/src/editor/modules/documentCanvas/canvas/canvas.js +++ b/src/editor/modules/documentCanvas/canvas/canvas.js @@ -9,36 +9,38 @@ define([ ], function($, _, Backbone, documentElement, keyboard, utils, wlxmlListener) { 'use strict'; +/* global document:false, window:false */ -var TextHandler = function(canvas) {this.canvas = canvas; this.buffer = null}; + +var TextHandler = function(canvas) {this.canvas = canvas; this.buffer = null;}; $.extend(TextHandler.prototype, { handle: function(node, text) { - console.log('canvas text handler: ' + text); this.setText(text, node); - return; - if(!this.node) { - this.node = node; - } - if(this.node.sameNode(node)) { - this._ping(text); - } else { - this.flush(); - this.node = node; - this._ping(text); - } + // return; + // if(!this.node) { + // this.node = node; + // } + // if(this.node.sameNode(node)) { + // this._ping(text); + // } else { + // this.flush(); + // this.node = node; + // this._ping(text); + // } }, _ping: _.throttle(function(text) { this.buffer = text; this.flush(); }, 1000), flush: function() { - if(this.buffer != null) { + if(this.buffer !== null) { this.setText(this.buffer, this.node); this.buffer = null; } }, setText: function(text, node) { - this.canvas.wlxmlDocument.transform('setText', {node:node, text: text}); + //this.canvas.wlxmlDocument.transform('setText', {node:node, text: text}); + node.setText(text); } @@ -93,18 +95,19 @@ $.extend(Canvas.prototype, { }); - + /* globals MutationObserver */ var observer = new MutationObserver(function(mutations) { mutations.forEach(function(mutation) { if(documentElement.DocumentTextElement.isContentContainer(mutation.target)) { observer.disconnect(); - if(mutation.target.data === '') + if(mutation.target.data === '') { mutation.target.data = utils.unicode.ZWS; + } else if(mutation.oldValue === utils.unicode.ZWS) { mutation.target.data = mutation.target.data.replace(utils.unicode.ZWS, ''); canvas._moveCaretToTextElement(canvas.getDocumentElement(mutation.target), 'end'); } - observer.observe(canvas.d[0], config); + observer.observe(canvas.wrapper[0], config); canvas.publisher('contentChanged'); var textElement = canvas.getDocumentElement(mutation.target), @@ -112,32 +115,36 @@ $.extend(Canvas.prototype, { //textElement.data('wlxmlNode').setText(toSet); //textElement.data('wlxmlNode').document.transform('setText', {node: textElement.data('wlxmlNode'), text: toSet}); - if(textElement.data('wlxmlNode').getText() != toSet) { + if(textElement.data('wlxmlNode').getText() !== toSet) { canvas.textHandler.handle(textElement.data('wlxmlNode'), toSet); } } }); }); var config = { attributes: false, childList: false, characterData: true, subtree: true, characterDataOldValue: true}; - observer.observe(this.d[0], config); + observer.observe(this.wrapper[0], config); this.wrapper.on('mouseover', '[document-node-element], [document-text-element]', function(e) { var el = canvas.getDocumentElement(e.currentTarget); - if(!el) + if(!el) { return; + } e.stopPropagation(); - if(el instanceof documentElement.DocumentTextElement) + if(el instanceof documentElement.DocumentTextElement) { el = el.parent(); + } el.toggleLabel(true); }); this.wrapper.on('mouseout', '[document-node-element], [document-text-element]', function(e) { var el = canvas.getDocumentElement(e.currentTarget); - if(!el) + if(!el) { return; + } e.stopPropagation(); - if(el instanceof documentElement.DocumentTextElement) + if(el instanceof documentElement.DocumentTextElement) { el = el.parent(); + } el.toggleLabel(false); }); @@ -153,8 +160,9 @@ $.extend(Canvas.prototype, { }, doc: function() { - if(this.d === null) + if(this.d === null) { return null; + } return documentElement.DocumentNodeElement.fromHTMLElement(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')}; }, @@ -168,6 +176,7 @@ $.extend(Canvas.prototype, { }, getDocumentElement: function(from) { + /* globals HTMLElement, Text */ if(from instanceof HTMLElement || from instanceof Text) { return documentElement.DocumentElement.fromHTMLElement(from, this); } @@ -176,8 +185,6 @@ $.extend(Canvas.prototype, { return new Cursor(this); }, - list: {}, - getCurrentNodeElement: function() { return this.getDocumentElement(this.wrapper.find('.current-node-element').parent()[0]); @@ -197,12 +204,14 @@ $.extend(Canvas.prototype, { params = _.extend({caretTo: 'end'}, params); var findFirstDirectTextChild = function(e, nodeToLand) { var byBrowser = this.getCursor().getPosition().element; - if(byBrowser && byBrowser.parent().sameNode(nodeToLand)) + if(byBrowser && byBrowser.parent().sameNode(nodeToLand)) { return byBrowser; + } var children = e.children(); for(var i = 0; i < children.length; i++) { - if(children[i] instanceof documentElement.DocumentTextElement) + if(children[i] instanceof documentElement.DocumentTextElement) { return children[i]; + } } return null; }.bind(this); @@ -211,7 +220,7 @@ $.extend(Canvas.prototype, { this.wrapper.find('.current-text-element').removeClass('current-text-element'); element.dom().addClass('current-text-element'); } else { - this.wrapper.find('.current-node-element').removeClass('current-node-element') + this.wrapper.find('.current-node-element').removeClass('current-node-element'); element._container().addClass('current-node-element'); this.publisher('currentElementChanged', element); } @@ -224,15 +233,18 @@ $.extend(Canvas.prototype, { currentTextElement = this.getCurrentTextElement(), currentNodeElement = this.getCurrentNodeElement(); - if(currentTextElement && !(currentTextElement.sameNode(textElementToLand))) + if(currentTextElement && !(currentTextElement.sameNode(textElementToLand))) { this.wrapper.find('.current-text-element').removeClass('current-text-element'); + } if(textElementToLand) { _markAsCurrent(textElementToLand); - if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element)) + if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element)) { this._moveCaretToTextElement(textElementToLand, params.caretTo); // as method on element? - if(!(textElementToLand.sameNode(currentTextElement))) + } + if(!(textElementToLand.sameNode(currentTextElement))) { this.publisher('currentTextElementSet', textElementToLand.data('wlxmlNode')); + } } else { document.getSelection().removeAllRanges(); } @@ -255,8 +267,9 @@ $.extend(Canvas.prototype, { } var collapseArg = true; - if(where === 'end') + if(where === 'end') { collapseArg = false; + } range.collapse(collapseArg); var selection = document.getSelection(); @@ -267,139 +280,9 @@ $.extend(Canvas.prototype, { }, setCursorPosition: function(position) { - if(position.element) + if(position.element) { this._moveCaretToTextElement(position.element, position.offset); - } -}); - -$.extend(Canvas.prototype.list, { - create: function(params) { - if(!(params.element1.parent().sameNode(params.element2.parent()))) - return false; - - var parent = params.element1.parent(), - canvas = params.element1.canvas; - - if(parent.childIndex(params.element1) > parent.childIndex(params.element2)) { - var tmp = params.element1; - params.element1 = params.element2; - params.element2 = tmp; } - - var elementsToWrap = []; - - var place = 'before'; - parent.children().some(function(element) { - var _e = element; - if(element.sameNode(params.element1)) - place = 'inside'; - if(place === 'inside') { - if(element instanceof documentElement.DocumentTextElement) { - element = element.wrapWithNodeElement({tag: 'div', klass: 'list.item'}); - if(element.children()[0].sameNode(params.element1)) - params.element1 = element; - } - element.setWlxmlClass('item'); - elementsToWrap.push(element); - } - if(_e.sameNode(params.element2)) - return true; - }); - - var listElement = canvas.createNodeElement({tag: 'div', klass: 'list-items' + (params.type === 'enum' ? '-enum' : '')}); - var toret; - if(parent.is('list')) { - var item = listElement.wrapWithNodeElement({tag: 'div', klass: 'item'}); - item.exec('toggleBullet', false); - toret = listElement.parent(); - } else { - toret = listElement; - } - - params.element1.before(toret); - - elementsToWrap.forEach(function(element) { - element.detach(); - listElement.append(element); - }); - }, - extractItems: function(params) { - params = _.extend({merge: true}, params); - var list = params.element1.parent(); - if(!list.is('list') || !(list.sameNode(params.element2.parent()))) - return false; - - var idx1 = list.childIndex(params.element1), - idx2 = list.childIndex(params.element2), - precedingItems = [], - extractedItems = [], - succeedingItems = [], - items = list.children(), - listIsNested = list.parent().getWlxmlClass() === 'item', - canvas = params.element1.canvas, - i; - - if(idx1 > idx2) { - var tmp = idx1; idx1 = idx2; idx2 = tmp; - } - - items.forEach(function(item, idx) { - if(idx < idx1) - precedingItems.push(item); - else if(idx >= idx1 && idx <= idx2) { - extractedItems.push(item); - } - else { - succeedingItems.push(item); - } - }); - - var reference = listIsNested ? list.parent() : list; - if(succeedingItems.length === 0) { - var reference_orig = reference; - extractedItems.forEach(function(item) { - reference.after(item); - reference = item; - if(!listIsNested) - item.setWlxmlClass(null); - }); - if(precedingItems.length === 0) - reference_orig.detach(); - } else if(precedingItems.length === 0) { - extractedItems.forEach(function(item) { - reference.before(item); - if(!listIsNested) - item.setWlxmlClass(null); - }); - } else { - extractedItems.forEach(function(item) { - reference.after(item); - if(!listIsNested) - item.setWlxmlClass(null); - reference = item; - }); - var secondList = canvas.createNodeElement({tag: 'div', klass:'list-items'}), - toAdd = secondList; - - if(listIsNested) { - toAdd = secondList.wrapWithNodeElement({tag: 'div', klass:'item'}); - } - succeedingItems.forEach(function(item) { - secondList.append(item); - }); - - reference.after(toAdd); - } - if(!params.merge && listIsNested) { - return this.extractItems({element1: extractedItems[0], element2: extractedItems[extractedItems.length-1]}); - } - return true; - }, - areItemsOfTheSameList: function(params) { - var e1 = params.element1, - e2 = params.element2; - return e1.parent().sameNode(e2.parent()) - && e1.parent().is('list'); } }); @@ -435,12 +318,14 @@ $.extend(Cursor.prototype, { return this.getSelectionBoundry('focus'); }, getSelectionBoundry: function(which) { + /* globals window */ var selection = window.getSelection(), anchorElement = this.canvas.getDocumentElement(selection.anchorNode), focusElement = this.canvas.getDocumentElement(selection.focusNode); - if((!anchorElement) || (anchorElement instanceof documentElement.DocumentNodeElement) || (!focusElement) || focusElement instanceof documentElement.DocumentNodeElement) + if((!anchorElement) || (anchorElement instanceof documentElement.DocumentNodeElement) || (!focusElement) || focusElement instanceof documentElement.DocumentNodeElement) { return {}; + } if(which === 'anchor') { return { @@ -468,30 +353,30 @@ $.extend(Cursor.prototype, { if(anchorFirst) { if(which === 'start') { element = anchorElement; - offset = selection.anchorOffset + offset = selection.anchorOffset; } else if(which === 'end') { - element = focusElement, - offset = selection.focusOffset + element = focusElement; + offset = selection.focusOffset; } } else { if(which === 'start') { - element = focusElement, - offset = selection.focusOffset + element = focusElement; + offset = selection.focusOffset; } else if(which === 'end') { element = anchorElement; - offset = selection.anchorOffset + offset = selection.anchorOffset; } } } else { // TODO: Handle order via https://developer.mozilla.org/en-US/docs/Web/API/Node.compareDocumentPosition if(which === 'start') { element = anchorElement; - offset = selection.anchorOffset + offset = selection.anchorOffset; } else { element = focusElement; - offset = selection.focusOffset + offset = selection.focusOffset; } } @@ -501,9 +386,9 @@ $.extend(Cursor.prototype, { offset: offset, offsetAtBeginning: offset === 0, offsetAtEnd: nodeLen === offset - } + }; } -}) +}); return { fromXMLDocument: function(wlxmlDocument, publisher) {