editor: plugins/core - restore selection after editing/deleting link via a link tool box

[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 af1ed28..a057e05 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/canvas.js
+++ b/src/editor/modules/documentCanvas/canvas/canvas.js
@@ -3,13 +3,13 @@ define([
 'libs/underscore',
 'libs/backbone',
 'fnpjs/logging/logging',
 'libs/underscore',
 'libs/backbone',
 'fnpjs/logging/logging',

-'wlxml/wlxml',

 'modules/documentCanvas/canvas/documentElement',
 'modules/documentCanvas/canvas/keyboard',
 'modules/documentCanvas/canvas/utils',
 'modules/documentCanvas/canvas/wlxmlListener',
 'modules/documentCanvas/canvas/documentElement',
 'modules/documentCanvas/canvas/keyboard',
 'modules/documentCanvas/canvas/utils',
 'modules/documentCanvas/canvas/wlxmlListener',

-'modules/documentCanvas/canvas/genericElement'
-], function($, _, Backbone, logging, wlxml, documentElement, keyboard, utils, wlxmlListener, genericElement) {
+'modules/documentCanvas/canvas/elementsRegister',
+'modules/documentCanvas/canvas/genericElement',
+], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener, ElementsRegister, genericElement) {

     
 'use strict';
 /* global document:false, window:false, Node:false, gettext */
     
 'use strict';
 /* global document:false, window:false, Node:false, gettext */


@@ -56,48 +56,20 @@ $.extend(TextHandler.prototype, {
 
 });
 
 
 });
 

-var ElementsRegister = function() {
-    this._register = {
-        '': ElementsRegister.createCanvasElementType(genericElement, documentElement.DocumentNodeElement)
-    };
-
-}
-_.extend(ElementsRegister, {
-    createCanvasElementType: function(elementPrototype, inheritFrom) {
-        var Constructor = function() {
-            if(!this.super) {
-                this.super = inheritFrom.prototype;
-            }
-            inheritFrom.apply(this, Array.prototype.slice.call(arguments, 0));
-            
-        };
-        Constructor.prototype = Object.create(inheritFrom.prototype);
-        _.extend(Constructor.prototype, elementPrototype);
-        return Constructor;
-    }
-});
-_.extend(ElementsRegister.prototype, {
-    register: function(klass, elementPrototype) {
-        this._register[klass] = ElementsRegister.createCanvasElementType(elementPrototype, this.getFactoryFor(''));
-    },
-    getFactoryFor: function(klass) {
-        var Factory;
-        wlxml.getClassHierarchy(klass).reverse().some(function(klass) {
-            Factory = this._register[klass];
-            if(Factory) {
-                return true;
-            }
-        }.bind(this));
-        return Factory;
-    }
-});
-
-

 
 var Canvas = function(wlxmlDocument, elements) {
 
 var Canvas = function(wlxmlDocument, elements) {

-    this.elementsRegister = new ElementsRegister();
-    (elements || []).forEach(function(elementDesc) {
-        this.elementsRegister.register(elementDesc.klass, elementDesc.element);
+    this.elementsRegister = new ElementsRegister(documentElement.DocumentNodeElement);
+
+    elements = [
+        {tag: 'section', klass: null, prototype: genericElement},
+        {tag: 'div', klass: null, prototype: genericElement},
+        {tag: 'header', klass: null, prototype: genericElement},
+        {tag: 'span', klass: null, prototype: genericElement},
+        {tag: 'aside', klass: null, prototype: genericElement}
+    ].concat(elements || []);
+
+    (elements).forEach(function(elementDesc) {
+        this.elementsRegister.register(elementDesc);

     }.bind(this));
     this.eventBus = _.extend({}, Backbone.Events);
     this.wrapper = $('<div>').addClass('canvas-wrapper').attr('contenteditable', true);
     }.bind(this));
     this.eventBus = _.extend({}, Backbone.Events);
     this.wrapper = $('<div>').addClass('canvas-wrapper').attr('contenteditable', true);


@@ -122,12 +94,9 @@ $.extend(Canvas.prototype, Backbone.Events, {
     createElement: function(wlxmlNode) {
         var Factory;
         if(wlxmlNode.nodeType === Node.TEXT_NODE) {
     createElement: function(wlxmlNode) {
         var Factory;
         if(wlxmlNode.nodeType === Node.TEXT_NODE) {

-            Factory = documentElement.DocumentTextElement
+            Factory = documentElement.DocumentTextElement;

         } else {
         } else {

-            if(wlxmlNode.getClass() === 'p') {
-               // debugger;
-            }
-            Factory = this.elementsRegister.getFactoryFor(wlxmlNode.getClass());
+            Factory = this.elementsRegister.getElement({tag: wlxmlNode.getTagName(), klass: wlxmlNode.getClass()});

         }
         return new Factory(wlxmlNode, this);
     },
         }
         return new Factory(wlxmlNode, this);
     },


@@ -155,7 +124,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
     reloadRoot: function() {
         this.rootElement = this.createElement(this.wlxmlDocument.root);
         this.wrapper.empty();
     reloadRoot: function() {
         this.rootElement = this.createElement(this.wlxmlDocument.root);
         this.wrapper.empty();

-        this.wrapper.append(this.rootElement.dom());
+        this.wrapper.append(this.rootElement.dom);

     },
 
     setupEventHandling: function() {
     },
 
     setupEventHandling: function() {


@@ -264,7 +233,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
 
         this.eventBus.on('elementToggled', function(toggle, element) {
             if(!toggle) {
 
         this.eventBus.on('elementToggled', function(toggle, element) {
             if(!toggle) {

-                canvas.setCurrentElement(element.getPreviousTextElement());
+                canvas.setCurrentElement(canvas.getPreviousTextElement(element));

             }
         });
     },
             }
         });
     },


@@ -278,7 +247,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
     },
 
     toggleElementHighlight: function(node, toggle) {
     },
 
     toggleElementHighlight: function(node, toggle) {

-        var element = utils.findCanvasElement(node);
+        var element = utils.getElementForNode(node);

         element.toggleHighlight(toggle);
     },
 
         element.toggleHighlight(toggle);
     },
 


@@ -301,18 +270,58 @@ $.extend(Canvas.prototype, Backbone.Events, {
         }
     },
 
         }
     },
 

+    getPreviousTextElement: function(relativeToElement, includeInvisible) {
+        return this.getNearestTextElement('above', relativeToElement, includeInvisible);
+    },
+
+    getNextTextElement: function(relativeToElement, includeInvisible) {
+        return this.getNearestTextElement('below', relativeToElement, includeInvisible);
+    },
+
+    getNearestTextElement: function(direction, relativeToElement, includeInvisible) {
+        includeInvisible = includeInvisible !== undefined ? includeInvisible : false;
+        var selector = '[document-text-element]' + (includeInvisible ? '' : ':visible');
+        return this.getDocumentElement(utils.nearestInDocumentOrder(selector, direction, relativeToElement.dom[0]));
+    },
+

     contains: function(element) {
     contains: function(element) {

-        return element.dom().parents().index(this.wrapper) !== -1;
+        return element.dom.parents().index(this.wrapper) !== -1;

     },
 
     triggerSelectionChanged: function() {
         this.trigger('selectionChanged', this.getSelection());
     },
 
     triggerSelectionChanged: function() {
         this.trigger('selectionChanged', this.getSelection());

+        var s = this.getSelection(),
+            f = s.toDocumentFragment();
+        if(f && f instanceof f.RangeFragment) {
+                var $current = this.wrapper.find('.current-node-element');
+                var current = $current && this.getDocumentElement($current.parent()[0]);
+                
+                if($current) {
+                    $current.removeClass('current-node-element');
+                }
+                if(current) {
+                    current.markAsCurrent(false);
+                }
+        }

     },
 
     getSelection: function() {
         return new Selection(this);
     },
 
     },
 
     getSelection: function() {
         return new Selection(this);
     },
 

+    select: function(fragment) {
+        if(fragment instanceof this.wlxmlDocument.RangeFragment) {
+            this.setCurrentElement(fragment.endNode, {caretTo: fragment.endOffset});
+        } else if(fragment instanceof this.wlxmlDocument.NodeFragment) {
+            var params = {
+                caretTo: fragment instanceof this.wlxmlDocument.CaretFragment ? fragment.offset : 'start'
+            };
+            this.setCurrentElement(fragment.node, params);
+        } else {
+            logger.debug('Fragment not supported');
+        }
+    },
+

     setCurrentElement: function(element, params) {
         if(!element) {
             logger.debug('Invalid element passed to setCurrentElement: ' + element);
     setCurrentElement: function(element, params) {
         if(!element) {
             logger.debug('Invalid element passed to setCurrentElement: ' + element);


@@ -320,7 +329,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
         }
 
         if(!(element instanceof documentElement.DocumentElement)) {
         }
 
         if(!(element instanceof documentElement.DocumentElement)) {

-            element = utils.findCanvasElement(element);
+            element = utils.getElementForNode(element);

         }
 
         if(!element || !this.contains(element)) {
         }
 
         if(!element || !this.contains(element)) {


@@ -334,21 +343,22 @@ $.extend(Canvas.prototype, Backbone.Events, {
             if(byBrowser && byBrowser.parent().sameNode(nodeToLand)) {
                 return byBrowser;
             }
             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) {
-                    return children[i];
-                }
-            }
-            return null;
+            return e.getVerticallyFirstTextElement();

         }.bind(this);
         var _markAsCurrent = function(element) {
             if(element instanceof documentElement.DocumentTextElement) {
                 this.wrapper.find('.current-text-element').removeClass('current-text-element');
         }.bind(this);
         var _markAsCurrent = function(element) {
             if(element instanceof documentElement.DocumentTextElement) {
                 this.wrapper.find('.current-text-element').removeClass('current-text-element');

-                element.dom().addClass('current-text-element');
+                element.dom.addClass('current-text-element');

             } else {
             } else {

-                this.wrapper.find('.current-node-element').removeClass('current-node-element');
+                var $current = this.wrapper.find('.current-node-element');
+                var current = this.getDocumentElement($current.parent()[0]);
+                $current.removeClass('current-node-element');
+
+                if(current) {
+                    current.markAsCurrent(false);
+                }

                 element._container().addClass('current-node-element');
                 element._container().addClass('current-node-element');

+                element.markAsCurrent(true);

             }
         }.bind(this);
 
             }
         }.bind(this);
 


@@ -380,7 +390,7 @@ $.extend(Canvas.prototype, Backbone.Events, {
 
     _moveCaretToTextElement: function(element, where) {
         var range = document.createRange(),
 
     _moveCaretToTextElement: function(element, where) {
         var range = document.createRange(),

-            node = element.dom().contents()[0];
+            node = element.dom.contents()[0];

 
         if(typeof where !== 'number') {
             range.selectNodeContents(node);
 
         if(typeof where !== 'number') {
             range.selectNodeContents(node);


@@ -408,10 +418,6 @@ $.extend(Canvas.prototype, Backbone.Events, {
         }
     },
 
         }
     },
 

-    findCanvasElement: function(node) {
-        return utils.findCanvasElement(node);
-    },
-

     toggleGrid: function() {
         this.wrapper.toggleClass('grid-on');
         this.trigger('changed');
     toggleGrid: function() {
         this.wrapper.toggleClass('grid-on');
         this.trigger('changed');


@@ -589,7 +595,7 @@ $.extend(Cursor.prototype, {
             if(selection.anchorNode === selection.focusNode) {
                 anchorFirst = selection.anchorOffset <= selection.focusOffset;
             } else {
             if(selection.anchorNode === selection.focusNode) {
                 anchorFirst = selection.anchorOffset <= selection.focusOffset;
             } else {

-                anchorFirst = parent.childIndex(anchorElement) < parent.childIndex(focusElement);
+                anchorFirst = (parent.getFirst(anchorElement, focusElement) === anchorElement);

             }
             placeData = getPlaceData(anchorFirst);
         } else {
             }
             placeData = getPlaceData(anchorFirst);
         } else {