X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/88fd67cfb21bf9b51d2d070de059dc4bbbab63dd..e6993e4bfe0e5fd38ccf554da489b5af3625c2fb:/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 f29f99f..d58ea7b 100644 --- a/src/editor/modules/documentCanvas/canvas/canvas.js +++ b/src/editor/modules/documentCanvas/canvas/canvas.js @@ -10,7 +10,7 @@ define([ ], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener) { 'use strict'; -/* global document:false, window:false, Node:false */ +/* global document:false, window:false, Node:false, gettext */ var logger = logging.getLogger('canvas'); @@ -42,24 +42,29 @@ $.extend(TextHandler.prototype, { }, setText: function(text, node) { //this.canvas.wlxmlDocument.transform('setText', {node:node, text: text}); - node.setText(text); + node.document.transaction(function() { + node.setText(text); + }, { + metadata:{ + description: gettext('Changing text') + } + }); } }); -var Canvas = function(wlxmlDocument, publisher) { +var Canvas = function(wlxmlDocument) { this.eventBus = _.extend({}, Backbone.Events); this.wrapper = $('
').addClass('canvas-wrapper').attr('contenteditable', true); this.wlxmlListener = wlxmlListener.create(this); this.loadWlxmlDocument(wlxmlDocument); this.setupEventHandling(); - this.publisher = publisher ? publisher : function() {}; this.textHandler = new TextHandler(this); }; -$.extend(Canvas.prototype, { +$.extend(Canvas.prototype, Backbone.Events, { loadWlxmlDocument: function(wlxmlDocument) { if(!wlxmlDocument) { @@ -97,25 +102,21 @@ $.extend(Canvas.prototype, { }, 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.rootElement = this.createElement(this.wlxmlDocument.root); this.wrapper.empty(); - this.wrapper.append(canvasDOM); - this.d = this.wrapper.children(0); - }, - - generateCanvasDOM: function(wlxmlNode) { - //var element = new documentElement.DocumentNodeElement(wlxmlNode, this); - //return element.dom(); - return this.createElement(wlxmlNode).dom(); + this.wrapper.append(this.rootElement.dom()); }, setupEventHandling: function() { var canvas = this; + this.wrapper.on('keyup keydown keypress', function(e) { - keyboard.handleKey(e, this); - }.bind(this)); + keyboard.handleKey(e, canvas); + }); + + this.wrapper.on('mouseup', function() { + canvas.triggerSelectionChanged(); + }); var mouseDown; this.wrapper.on('mousedown', '[document-node-element], [document-text-element]', function(e) { @@ -177,8 +178,8 @@ $.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) { - canvas.textHandler.handle(textElement.data('wlxmlNode'), toSet); + if(textElement.wlxmlNode.getText() !== toSet) { + canvas.textHandler.handle(textElement.wlxmlNode, toSet); } } }); @@ -222,10 +223,7 @@ $.extend(Canvas.prototype, { }, doc: function() { - if(this.d === null) { - return null; - } - return this.getDocumentElement(this.d[0]); + return this.rootElement; }, toggleElementHighlight: function(node, toggle) { @@ -256,7 +254,20 @@ $.extend(Canvas.prototype, { return element.dom().parents().index(this.wrapper) !== -1; }, + triggerSelectionChanged: function() { + this.trigger('selectionChanged', this.getSelection()); + }, + + getSelection: function() { + return new Selection(this); + }, + setCurrentElement: function(element, params) { + if(!element) { + logger.debug('Invalid element passed to setCurrentElement: ' + element); + return; + } + if(!(element instanceof documentElement.DocumentElement)) { element = utils.findCanvasElement(element); } @@ -306,18 +317,14 @@ $.extend(Canvas.prototype, { if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element)) { this._moveCaretToTextElement(textElementToLand, params.caretTo); // as method on element? } - if(!(textElementToLand.sameNode(currentTextElement))) { - this.publisher('currentTextElementSet', textElementToLand.data('wlxmlNode')); - } } else { document.getSelection().removeAllRanges(); } if(!(currentNodeElement && currentNodeElement.sameNode(nodeElementToLand))) { _markAsCurrent(nodeElementToLand); - - this.publisher('currentNodeElementSet', nodeElementToLand.data('wlxmlNode')); } + this.triggerSelectionChanged(); }, _moveCaretToTextElement: function(element, where) { @@ -327,7 +334,7 @@ $.extend(Canvas.prototype, { if(typeof where !== 'number') { range.selectNodeContents(node); } else { - range.setStart(node, where); + range.setStart(node, Math.min(node.data.length, where)); } if(where !== 'whole') { @@ -348,15 +355,103 @@ $.extend(Canvas.prototype, { if(position.element) { this._moveCaretToTextElement(position.element, position.offset); } + }, + + findCanvasElement: function(node) { + return utils.findCanvasElement(node); + }, + + toggleGrid: function() { + this.wrapper.toggleClass('grid-on'); + this.trigger('changed'); + }, + isGridToggled: function() { + return this.wrapper.hasClass('grid-on'); } }); +var isText = function(node) { + return node && node.nodeType === Node.TEXT_NODE && $(node.parentNode).is('[document-text-element]'); +}; + +var Selection = function(canvas) { + this.canvas = canvas; + var nativeSelection = this.nativeSelection = window.getSelection(); + Object.defineProperty(this, 'type', { + get: function() { + if(nativeSelection.focusNode) { + if(nativeSelection.isCollapsed && isText(nativeSelection.focusNode)) { + return 'caret'; + } + if(isText(nativeSelection.focusNode) && isText(nativeSelection.anchorNode)) { + return 'textSelection'; + } + } + if(canvas.getCurrentNodeElement()) { + return 'node'; + } + } + }); +}; + +$.extend(Selection.prototype, { + toDocumentFragment: function() { + var doc = this.canvas.wlxmlDocument, + anchorElement = this.canvas.getDocumentElement(this.nativeSelection.anchorNode), + focusElement = this.canvas.getDocumentElement(this.nativeSelection.focusNode), + anchorNode = anchorElement ? anchorElement.wlxmlNode : null, + focusNode = focusElement ? focusElement.wlxmlNode : null; + if(this.type === 'caret') { + return doc.createFragment(doc.CaretFragment, {node: anchorNode, offset: this.nativeSelection.anchorOffset}); + } + if(this.type === 'textSelection') { + if(anchorNode.isSiblingOf(focusNode)) { + return doc.createFragment(doc.TextRangeFragment, { + node1: anchorNode, + offset1: this.nativeSelection.anchorOffset, + node2: focusNode, + offset2: this.nativeSelection.focusOffset, + }); + } + else { + var siblingParents = doc.getSiblingParents({node1: anchorNode, node2: focusNode}); + return doc.createFragment(doc.RangeFragment, { + node1: siblingParents.node1, + node2: siblingParents.node2 + }); + } + } + if(this.type === 'node') { + return doc.createFragment(doc.NodeFragment, {node: this.canvas.getCurrentNodeElement().wlxmlNode}); + } + }, + sameAs: function(other) { + void(other); + } +}); + var Cursor = function(canvas) { this.canvas = canvas; + this.selection = window.getSelection(); }; $.extend(Cursor.prototype, { + sameAs: function(other) { + var same = true; + if(!other) { + return false; + } + + ['focusNode', 'focusOffset', 'anchorNode', 'anchorOffset'].some(function(prop) { + same = same && this.selection[prop] === other.selection[prop]; + if(!same) { + return true; // break + } + }.bind(this)); + + return same; + }, isSelecting: function() { var selection = window.getSelection(); return !selection.isCollapsed; @@ -463,8 +558,8 @@ $.extend(Cursor.prototype, { }); return { - fromXMLDocument: function(wlxmlDocument, publisher) { - return new Canvas(wlxmlDocument, publisher); + fromXMLDocument: function(wlxmlDocument) { + return new Canvas(wlxmlDocument); } };