editor: Allow for editing raw source in the source editor if document contains invali...

[fnpeditor.git] / 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 3bf6b51..29edbe5 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/canvas.js
+++ b/src/editor/modules/documentCanvas/canvas/canvas.js
@@ -11,7 +11,8 @@ define([
 'modules/documentCanvas/canvas/genericElement',
 'modules/documentCanvas/canvas/nullElement',
 'modules/documentCanvas/canvas/gutter',
-], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener, ElementsRegister, genericElement, nullElement, gutter) {
+'libs/text!./canvas.html'
+], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener, ElementsRegister, genericElement, nullElement, gutter, canvasTemplate) {
     
 'use strict';
 /* global document:false, window:false, Node:false, gettext */
@@ -59,7 +60,8 @@ $.extend(TextHandler.prototype, {
 });
 
 
-var Canvas = function(wlxmlDocument, elements) {
+var Canvas = function(wlxmlDocument, elements, metadata) {
+    this.metadata = metadata || {};
     this.elementsRegister = new ElementsRegister(documentElement.DocumentNodeElement, nullElement);
 
     elements = [
@@ -75,13 +77,13 @@ var Canvas = function(wlxmlDocument, elements) {
     }.bind(this));
     this.eventBus = _.extend({}, Backbone.Events);
     
-    this.wrapper = $('<div style="display: table; width: 96%"><div style="display: table-row" class="crow"></div></div>');
+    this.dom = $(canvasTemplate);
+    this.rootWrapper = this.dom.find('.root-wrapper');
     
 
     this.gutter = gutter.create();
     this.gutterView = new gutter.GutterView(this.gutter);
-    this.rootWrapper = $('<div>').addClass('canvas-wrapper').attr('contenteditable', true);
-    this.wrapper.find('.crow').append(this.rootWrapper, this.gutterView.dom);
+    this.dom.find('.view-row').append(this.gutterView.dom);
     
     this.wlxmlListener = wlxmlListener.create(this);
     this.loadWlxmlDocument(wlxmlDocument);
@@ -92,7 +94,7 @@ var Canvas = function(wlxmlDocument, elements) {
 $.extend(Canvas.prototype, Backbone.Events, {
 
     getElementOffset: function(element) {
-        return element.dom.offset().top - this.wrapper.offset().top;
+        return element.dom.offset().top - this.dom.offset().top;
     },
 
     loadWlxmlDocument: function(wlxmlDocument) {
@@ -136,8 +138,10 @@ $.extend(Canvas.prototype, Backbone.Events, {
     },
 
     reloadRoot: function() {
+        if(this.rootElement) {
+            this.rootElement.detach();
+        }
         this.rootElement = this.createElement(this.wlxmlDocument.root);
-        this.rootWrapper.empty();
         this.rootWrapper.append(this.rootElement.dom);
     },
 
@@ -196,7 +200,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
         /* globals MutationObserver */
         var observer = new MutationObserver(function(mutations) {
             mutations.forEach(function(mutation) {
-                if(documentElement.DocumentTextElement.isContentContainer(mutation.target)) {
+                if(canvas.dom[0].contains(mutation.target) && documentElement.DocumentTextElement.isContentContainer(mutation.target)) {
                     observer.disconnect();
                     if(mutation.target.data === '') {
                         mutation.target.data = utils.unicode.ZWS;
@@ -205,7 +209,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
                         mutation.target.data = mutation.target.data.replace(utils.unicode.ZWS, '');
                         canvas._moveCaretToTextElement(canvas.getDocumentElement(mutation.target), 'end');
                     }
-                    observer.observe(canvas.wrapper[0], config);
+                    observer.observe(canvas.dom[0], config);
 
                     var textElement = canvas.getDocumentElement(mutation.target),
                         toSet = mutation.target.data !== utils.unicode.ZWS ? mutation.target.data : '';
@@ -249,7 +253,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
     },
 
     view: function() {
-        return this.wrapper;
+        return this.dom;
     },
 
     doc: function() {
@@ -345,7 +349,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
             if(byBrowser && byBrowser.parent().sameNode(nodeToLand)) {
                 return byBrowser;
             }
-            return e.getVerticallyFirstTextElement();
+            return _.isFunction(e.getVerticallyFirstTextElement) ? e.getVerticallyFirstTextElement({considerChildren: false}) : null;
         }.bind(this);
         var _markAsCurrent = function(element) {
             if(element instanceof documentElement.DocumentTextElement) {
@@ -414,14 +418,6 @@ $.extend(Canvas.prototype, Backbone.Events, {
         if(position.element) {
             this._moveCaretToTextElement(position.element, position.offset);
         }
-    },
-
-    toggleGrid: function() {
-        this.rootWrapper.toggleClass('grid-on');
-        this.trigger('changed');
-    },
-    isGridToggled: function() {
-        return this.rootWrapper.hasClass('grid-on');
     }
 });
 
@@ -461,6 +457,9 @@ $.extend(Selection.prototype, {
             return doc.createFragment(doc.CaretFragment, {node: anchorNode, offset: this.nativeSelection.anchorOffset});
         }
         if(this.type === 'textSelection') {
+            if(!anchorNode || !focusNode) {
+                return;
+            }
             if(anchorNode.isSiblingOf(focusNode)) {
                 return doc.createFragment(doc.TextRangeFragment, {
                     node1: anchorNode,
@@ -613,8 +612,8 @@ $.extend(Cursor.prototype, {
 });
 
 return {
-    fromXMLDocument: function(wlxmlDocument, elements) {
-        return new Canvas(wlxmlDocument, elements);
+    fromXMLDocument: function(wlxmlDocument, elements, metadata) {
+        return new Canvas(wlxmlDocument, elements, metadata);
     }
 };