X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/9370067a73c02def3b684b96f6adc69631b7f073..cafbf791aa805aa9cdd019ba4cbfd6b6ae881693:/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 3a662e9..6a60f80 100644 --- a/src/editor/modules/documentCanvas/canvas/canvas.js +++ b/src/editor/modules/documentCanvas/canvas/canvas.js @@ -9,6 +9,43 @@ define([ ], function($, _, Backbone, documentElement, keyboard, utils, wlxmlListener) { 'use strict'; +/* global document:false, window:false */ + + +var TextHandler = function(canvas) {this.canvas = canvas; this.buffer = null;}; +$.extend(TextHandler.prototype, { + handle: function(node, 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); + // } + }, + _ping: _.throttle(function(text) { + this.buffer = text; + this.flush(); + }, 1000), + flush: function() { + 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}); + node.setText(text); + + } + +}); + var Canvas = function(wlxmlDocument, publisher) { this.eventBus = _.extend({}, Backbone.Events); @@ -16,6 +53,7 @@ var Canvas = function(wlxmlDocument, publisher) { this.wlxmlListener = wlxmlListener.create(this); this.loadWlxmlDocument(wlxmlDocument); this.publisher = publisher ? publisher : function() {}; + this.textHandler = new TextHandler(this); }; $.extend(Canvas.prototype, { @@ -25,15 +63,19 @@ $.extend(Canvas.prototype, { return false; } - var canvasDOM = this.generateCanvasDOM(wlxmlDocument.root); + this.wlxmlListener.listenTo(wlxmlDocument); + this.wlxmlDocument = wlxmlDocument; + this.reloadRoot(); + this.setupEventHandling(); + }, + + reloadRoot: function() { + var canvasDOM = this.generateCanvasDOM(this.wlxmlDocument.root); + //var canvasDOM = this.wlxmlDocument.root.getData('canvasElement') ? this.wlxmlDocument.root.getData('canvasElement').dom() : this.generateCanvasDOM(this.wlxmlDocument.root); this.wrapper.empty(); this.wrapper.append(canvasDOM); this.d = this.wrapper.children(0); - this.setupEventHandling(); - - this.wlxmlListener.listenTo(wlxmlDocument); - this.wlxmlDocument = wlxmlDocument; }, generateCanvasDOM: function(wlxmlNode) { @@ -52,44 +94,57 @@ $.extend(Canvas.prototype, { canvas.setCurrentElement(canvas.getDocumentElement(e.currentTarget), {caretTo: false}); }); + + /* 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); - textElement.data('wlxmlNode').setText(mutation.target.data); + var textElement = canvas.getDocumentElement(mutation.target), + toSet = mutation.target.data !== utils.unicode.ZWS ? mutation.target.data : ''; + + //textElement.data('wlxmlNode').setText(toSet); + //textElement.data('wlxmlNode').document.transform('setText', {node: textElement.data('wlxmlNode'), text: 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); }); @@ -105,109 +160,23 @@ $.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')}; - }, - - createNodeElement: function(params) { - return documentElement.DocumentNodeElement.create(params, this); - }, - - wrapText: function(params) { - params = _.extend({textNodeIdx: 0}, params); - if(typeof params.textNodeIdx === 'number') - params.textNodeIdx = [params.textNodeIdx]; - - var childrenInside = params.inside.children(), - idx1 = Math.min.apply(Math, params.textNodeIdx), - idx2 = Math.max.apply(Math, params.textNodeIdx), - textNode1 = childrenInside[idx1], - textNode2 = childrenInside[idx2], - sameNode = textNode1.sameNode(textNode2), - prefixOutside = textNode1.getText().substr(0, params.offsetStart), - prefixInside = textNode1.getText().substr(params.offsetStart), - suffixInside = textNode2.getText().substr(0, params.offsetEnd), - suffixOutside = textNode2.getText().substr(params.offsetEnd) - ; - - var wrapperElement = this.createNodeElement({tag: params._with.tag, klass: params._with.klass}); - textNode1.after(wrapperElement); - textNode1.detach(); - - if(prefixOutside.length > 0) - wrapperElement.before({text:prefixOutside}); - if(sameNode) { - var core = textNode1.getText().substr(params.offsetStart, params.offsetEnd - params.offsetStart); - wrapperElement.append({text: core}); - } else { - textNode2.detach(); - if(prefixInside.length > 0) - wrapperElement.append({text: prefixInside}); - for(var i = idx1 + 1; i < idx2; i++) { - wrapperElement.append(childrenInside[i]); - } - if(suffixInside.length > 0) - wrapperElement.append({text: suffixInside}); } - if(suffixOutside.length > 0) - wrapperElement.after({text: suffixOutside}); - return wrapperElement; + return documentElement.DocumentNodeElement.fromHTMLElement(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')}; }, - wrapElements: function(params) { - if(!(params.element1.parent().sameNode(params.element2.parent()))) - return; - - var parent = params.element1.parent(), - parentChildren = parent.children(), - wrapper = this.createNodeElement({ - tag: params._with.tag, - klass: params._with.klass}), - idx1 = parent.childIndex(params.element1), - idx2 = parent.childIndex(params.element2); - - if(idx1 > idx2) { - var tmp = idx1; - idx1 = idx2; - idx2 = tmp; - } - - var insertingMethod, insertingTarget; - if(idx1 === 0) { - insertingMethod = 'prepend'; - insertingTarget = parent; - } else { - insertingMethod = 'after'; - insertingTarget = parentChildren[idx1-1]; - } - - for(var i = idx1; i <= idx2; i++) { - wrapper.append(parentChildren[i].detach()); - } - - insertingTarget[insertingMethod](wrapper); - return wrapper; + toggleElementHighlight: function(node, toggle) { + var element = utils.findCanvasElement(node); + element.toggleHighlight(toggle); }, - getSiblingParents: function(params) { - var parents1 = [params.element1].concat(params.element1.parents()).reverse(), - parents2 = [params.element2].concat(params.element2.parents()).reverse(), - noSiblingParents = null; - - if(parents1.length === 0 || parents2.length === 0 || !(parents1[0].sameNode(parents2[0]))) - return noSiblingParents; - - var i; - for(i = 0; i < Math.min(parents1.length, parents2.length); i++) { - if(parents1[i].sameNode(parents2[i])) - continue; - break; - } - return {element1: parents1[i], element2: parents2[i]}; + createNodeElement: function(params) { + return documentElement.DocumentNodeElement.create(params, this); }, getDocumentElement: function(from) { + /* globals HTMLElement, Text */ if(from instanceof HTMLElement || from instanceof Text) { return documentElement.DocumentElement.fromHTMLElement(from, this); } @@ -216,8 +185,6 @@ $.extend(Canvas.prototype, { return new Cursor(this); }, - list: {}, - getCurrentNodeElement: function() { return this.getDocumentElement(this.wrapper.find('.current-node-element').parent()[0]); @@ -230,15 +197,21 @@ $.extend(Canvas.prototype, { setCurrentElement: function(element, params) { + if(!(element instanceof documentElement.DocumentElement)) { + element = utils.findCanvasElement(element); + } + 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); @@ -247,7 +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); } @@ -260,15 +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(); } @@ -291,8 +267,9 @@ $.extend(Canvas.prototype, { } var collapseArg = true; - if(where === 'end') + if(where === 'end') { collapseArg = false; + } range.collapse(collapseArg); var selection = document.getSelection(); @@ -303,146 +280,9 @@ $.extend(Canvas.prototype, { }, setCursorPosition: function(position) { - if(position.element) + if(position.element) { this._moveCaretToTextElement(position.element, position.offset); - }, - - toXML: function() { - var parent = $('