editor: keep document properties on document instance, inform about changes via events

[fnpeditor.git] / src / editor / modules / documentCanvas / canvas / documentElement.js

diff --git a/src/editor/modules/documentCanvas/canvas/documentElement.js b/src/editor/modules/documentCanvas/canvas/documentElement.js
index ef3a1ee..45592ef 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/documentElement.js
+++ b/src/editor/modules/documentCanvas/canvas/documentElement.js
@@ -5,15 +5,15 @@ define([
 ], function($, _, utils) {
     
 'use strict';
-/* global Node:false, document:false */
+/* global Node:false */
 
 // DocumentElement represents a text or an element node from WLXML document rendered inside Canvas
 var DocumentElement = function(wlxmlNode, canvas) {
     this.wlxmlNode = wlxmlNode;
     this.canvas = canvas;
 
-    this.$element = this.createDOM();
-    this.$element.data('canvas-element', this);
+    this.dom = this.createDOM();
+    this.dom.data('canvas-element', this);
 };
 
 $.extend(DocumentElement.prototype, {
@@ -26,14 +26,8 @@ $.extend(DocumentElement.prototype, {
     refresh: function() {
         // noop
     },
-    bound: function() {
-        return $.contains(document.documentElement, this.dom()[0]);
-    },
-    dom: function() {
-        return this.$element;
-    },
     parent: function() {
-        var parents = this.$element.parents('[document-node-element]');
+        var parents = this.dom.parents('[document-node-element]');
         if(parents.length) {
             return this.canvas.getDocumentElement(parents[0]);
         }
@@ -51,25 +45,11 @@ $.extend(DocumentElement.prototype, {
     },
 
     sameNode: function(other) {
-        return other && (typeof other === typeof this) && other.dom()[0] === this.dom()[0];
-    },
-
-    getPreviousTextElement: function(includeInvisible) {
-        return this.getNearestTextElement('above', includeInvisible);
-    },
-
-    getNextTextElement: function(includeInvisible) {
-        return this.getNearestTextElement('below', includeInvisible);
-    },
-
-    getNearestTextElement: function(direction, includeInvisible) {
-        includeInvisible = includeInvisible !== undefined ? includeInvisible : false;
-        var selector = '[document-text-element]' + (includeInvisible ? '' : ':visible');
-        return this.canvas.getDocumentElement(utils.nearestInDocumentOrder(selector, direction, this.dom()[0]));
+        return other && (typeof other === typeof this) && other.dom[0] === this.dom[0];
     },
 
     trigger: function() {
-        //this.canvas.bus.trigger()
+        this.canvas.eventBus.trigger.apply(this.canvas.eventBus, Array.prototype.slice.call(arguments, 0));
     }
 
 
@@ -80,7 +60,7 @@ $.extend(DocumentElement.prototype, {
 var DocumentNodeElement = function(wlxmlNode, canvas) {
     DocumentElement.call(this, wlxmlNode, canvas);
     wlxmlNode.setData('canvasElement', this);
-    this.init(this.$element);
+    this.init(this.dom);
 };
 
 
@@ -91,7 +71,7 @@ var manipulate = function(e, params, action) {
     } else {
         element = e.canvas.createElement(params);
     }
-    e.dom()[action](element.dom());
+    e.dom[action](element.dom);
     e.refreshPath();
     return element;
 };
@@ -101,11 +81,12 @@ DocumentNodeElement.prototype = Object.create(DocumentElement.prototype);
 
 $.extend(DocumentNodeElement.prototype, {
     defaultDisplayStyle: 'block',
+    init: function() {},
     addWidget: function(widget) {
-        this.$element.children('.canvas-widgets').append(widget.DOM ? widget.DOM : widget);
+        this.dom.children('.canvas-widgets').append(widget.DOM ? widget.DOM : widget);
     },
     clearWidgets: function() {
-        this.$element.children('.canvas-widgets').empty();
+        this.dom.children('.canvas-widgets').empty();
     },
     handle: function(event) {
         var method = 'on' + event.type[0].toUpperCase() + event.type.substr(1);
@@ -121,17 +102,16 @@ $.extend(DocumentNodeElement.prototype, {
             contentContainer = $('<div>')
                 .attr('document-element-content', '');
         
-        wrapper.append(widgetsContainer, contentContainer);
+        wrapper.append(contentContainer, widgetsContainer);
         widgetsContainer.find('*').add(widgetsContainer).attr('tabindex', -1);
         return wrapper;
     },
     _container: function() {
-        return this.dom().children('[document-element-content]');
+        return this.dom.children('[document-element-content]');
     },
     detach: function() {
         var parents = this.parents();
-        this.dom().detach();
-        this.canvas = null;
+        this.dom.detach();
         if(parents[0]) {
             parents[0].refreshPath();
         }
@@ -147,25 +127,27 @@ $.extend(DocumentNodeElement.prototype, {
 
     toggleLabel: function(toggle) {
         var displayCss = toggle ? 'inline-block' : 'none';
-        var label = this.dom().children('.canvas-widgets').find('.canvas-widget-label');
+        var label = this.dom.children('.canvas-widgets').find('.canvas-widget-label');
         label.css('display', displayCss);
         this.toggleHighlight(toggle);
     },
 
+    markAsCurrent: function() {},
+
     toggleHighlight: function(toggle) {
         this._container().toggleClass('highlighted-element', toggle);
     },
 
     isBlock: function() {
-        return this.dom().css('display') === 'block';
+        return this.dom.css('display') === 'block';
     },
 
     displayAsBlock: function() {
-        this.dom().css('display', 'block');
+        this.dom.css('display', 'block');
         this._container().css('display', 'block');
     },
     displayInline: function() {
-        this.dom().css('display', 'inline');
+        this.dom.css('display', 'inline');
         this._container().css('display', 'inline');
     },
     displayAs: function(what) {
@@ -177,7 +159,7 @@ $.extend(DocumentNodeElement.prototype, {
         //         e.css('display')
         //     }
         // })
-        this.dom().css('display', what);
+        this.dom.css('display', what);
         this._container().css('display', what);
     }
 });
@@ -204,16 +186,20 @@ $.extend(DocumentTextElement.prototype, {
         return dom;
     },
     detach: function() {
-        this.dom().detach();
-        this.canvas = null;
+        this.dom.detach();
         return this;
     },
     setText: function(text) {
-        this.dom().contents()[0].data = text;
+        if(text === '') {
+            text = utils.unicode.ZWS;
+        }
+        if(text !== this.getText()) {
+            this.dom.contents()[0].data = text;
+        }
     },
     getText: function(options) {
         options = _.extend({raw: false}, options || {});
-        var toret = this.dom().text();
+        var toret = this.dom.text();
         if(!options.raw) {
             toret = toret.replace(utils.unicode.ZWS, '');
         }
@@ -221,7 +207,7 @@ $.extend(DocumentTextElement.prototype, {
     },
     isEmpty: function() {
         // Having at least Zero Width Space is guaranteed be Content Observer
-        return this.dom().contents()[0].data === utils.unicode.ZWS;
+        return this.dom.contents()[0].data === utils.unicode.ZWS;
     },
     after: function(params) {
         if(params instanceof DocumentTextElement || params.text) {
@@ -233,9 +219,9 @@ $.extend(DocumentTextElement.prototype, {
         } else {
             element = this.canvas.createElement(params);
         }
-        this.dom().wrap('<div>');
-        this.dom().parent().after(element.dom());
-        this.dom().unwrap();
+        this.dom.wrap('<div>');
+        this.dom.parent().after(element.dom);
+        this.dom.unwrap();
         this.refreshPath();
         return element;
     },
@@ -249,9 +235,9 @@ $.extend(DocumentTextElement.prototype, {
         } else {
             element = this.canvas.createElement(params);
         }
-        this.dom().wrap('<div>');
-        this.dom().parent().before(element.dom());
-        this.dom().unwrap();
+        this.dom.wrap('<div>');
+        this.dom.parent().before(element.dom);
+        this.dom.unwrap();
         this.refreshPath();
         return element;
     },