editor: some refactoring & cleanup

[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 210c492..f4505b0 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/documentElement.js
+++ b/src/editor/modules/documentCanvas/canvas/documentElement.js
@@ -2,66 +2,37 @@ define([
 'libs/jquery',
 'libs/underscore',
 'modules/documentCanvas/canvas/utils',
 'libs/jquery',
 'libs/underscore',
 'modules/documentCanvas/canvas/utils',

-'modules/documentCanvas/canvas/widgets',

 'modules/documentCanvas/canvas/wlxmlManagers'
 'modules/documentCanvas/canvas/wlxmlManagers'

-], function($, _, utils, widgets, wlxmlManagers) {
+], function($, _, utils, wlxmlManagers) {

     
 'use strict';
     
 'use strict';

+/* global Node:false, document:false */

 
 
 // DocumentElement represents a text or an element node from WLXML document rendered inside Canvas
 
 
 // DocumentElement represents a text or an element node from WLXML document rendered inside Canvas

-var DocumentElement = function(htmlElement, canvas) {
-    if(arguments.length === 0)
+var DocumentElement = function(wlxmlNode, canvas) {
+    if(arguments.length === 0) {

         return;
         return;

+    }
+    this.wlxmlNode = wlxmlNode;

     this.canvas = canvas;
     this.canvas = canvas;

-    this._setupDOMHandler(htmlElement);
-}
-
-
-var elementTypeFromWlxmlNode = function(wlxmlNode) {
-    return wlxmlNode.nodeType === Node.TEXT_NODE ? DocumentTextElement : DocumentNodeElement;
-}

 
 

-$.extend(DocumentElement, {
-    create: function(node, canvas) {
-        return elementTypeFromWlxmlNode(node).create(node, canvas);
-    },
-
-    createDOM: function(wlxmlNode) {
-        return elementTypeFromParams(wlxmlNode).createDOM(params);
-    },
-
-    fromHTMLElement: function(htmlElement, canvas) {
-        var $element = $(htmlElement);
-        if(htmlElement.nodeType === Node.ELEMENT_NODE && $element.attr('document-node-element') !== undefined)
-            return DocumentNodeElement.fromHTMLElement(htmlElement, canvas);
-        if($element.attr('document-text-element') !== undefined || (htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined))
-            return DocumentTextElement.fromHTMLElement(htmlElement, canvas);
-        return undefined;
-    }
-});
+    this.$element = this.createDOM();
+    this.$element.data('canvas-element', this);
+};

 
 $.extend(DocumentElement.prototype, {
 
 $.extend(DocumentElement.prototype, {

-    _setupDOMHandler: function(htmlElement) {
-        this.$element = $(htmlElement);
-    },

     bound: function() {
         return $.contains(document.documentElement, this.dom()[0]);
     },
     dom: function() {
         return this.$element;
     },
     bound: function() {
         return $.contains(document.documentElement, this.dom()[0]);
     },
     dom: function() {
         return this.$element;
     },

-    data: function() {
-        var dom = this.dom(),
-            args = Array.prototype.slice.call(arguments, 0);
-        if(args.length === 2 && args[1] === undefined)
-            return dom.removeData(args[0]);
-        return dom.data.apply(dom, arguments);
-    },

     parent: function() {
         var parents = this.$element.parents('[document-node-element]');
     parent: function() {
         var parents = this.$element.parents('[document-node-element]');

-        if(parents.length)
-            return DocumentElement.fromHTMLElement(parents[0], this.canvas);
+        if(parents.length) {
+            return this.canvas.getDocumentElement(parents[0]);
+        }

         return null;
     },
 
         return null;
     },
 


@@ -86,15 +57,17 @@ $.extend(DocumentElement.prototype, {
     getVerticallyFirstTextElement: function() {
         var toret;
         this.children().some(function(child) {
     getVerticallyFirstTextElement: function() {
         var toret;
         this.children().some(function(child) {

-            if(!child.isVisible())
+            if(!child.isVisible()) {

                 return false; // continue
                 return false; // continue

+            }

             if(child instanceof DocumentTextElement) {
                 toret = child;
                 return true; // break
             } else {
                 toret = child.getVerticallyFirstTextElement();
             if(child instanceof DocumentTextElement) {
                 toret = child;
                 return true; // break
             } else {
                 toret = child.getVerticallyFirstTextElement();

-                if(toret)
+                if(toret) {

                     return true; // break
                     return true; // break

+                }

             }
         });
         return toret;
             }
         });
         return toret;


@@ -125,62 +98,26 @@ $.extend(DocumentElement.prototype, {
     },
 
     exec: function(method) {
     },
 
     exec: function(method) {

-        var manager = this.data('_wlxmlManager');
-        if(manager[method])
-            return manager[method].apply(manager, Array.prototype.slice.call(arguments, 1));
+        if(this.manager && this.manager[method]) {
+            return this.manager[method].apply(this.manager, Array.prototype.slice.call(arguments, 1));
+        }

     }
 });
 
 
 // DocumentNodeElement represents an element node from WLXML document rendered inside Canvas
     }
 });
 
 
 // DocumentNodeElement represents an element node from WLXML document rendered inside Canvas

-var DocumentNodeElement = function(htmlElement, canvas) {
-    DocumentElement.call(this, htmlElement, canvas);
+var DocumentNodeElement = function(wlxmlNode, canvas) {
+    DocumentElement.call(this, wlxmlNode, canvas);
+    wlxmlNode.setData('canvasElement', this);

 };
 
 };
 

-$.extend(DocumentNodeElement, {
-    create: function(wlxmlNode, canvas) {
-        return this.fromHTMLElement(this.createDOM(wlxmlNode, canvas)[0], canvas);
-    },
-
-    fromHTMLElement: function(htmlElement, canvas) {
-        return new this(htmlElement, canvas);
-    },
-
-    createDOM: function(wlxmlNode, canvas) {
-        var dom = $('<div>')
-                .attr('document-node-element', ''),
-            widgetsContainer = $('<div>')
-                .addClass('canvas-widgets')
-                .attr('contenteditable', false),
-            container = $('<div>')
-                .attr('document-element-content', '');
-        
-        dom.append(widgetsContainer, container);
-        // Make sure widgets aren't navigable with arrow keys
-        widgetsContainer.find('*').add(widgetsContainer).attr('tabindex', -1);
-
-        var element = this.fromHTMLElement(dom[0], canvas);
-
-        element.data('wlxmlNode', wlxmlNode);
-        wlxmlNode.setData('canvasElement', element);
-
-        element.setWlxml({tag: wlxmlNode.getTagName(), klass: wlxmlNode.getClass()});
-
-        wlxmlNode.contents().forEach((function(node) {
-            container.append(DocumentElement.create(node).dom());
-        }).bind(this));
-
-        return dom;
-    }
-
-});

 
 var manipulate = function(e, params, action) {
     var element;
     if(params instanceof DocumentElement) {
         element = params;
     } else {
 
 var manipulate = function(e, params, action) {
     var element;
     if(params instanceof DocumentElement) {
         element = params;
     } else {

-        element = DocumentElement.create(params);
+        element = e.canvas.createElement(params);

     }
     var target = (action === 'append' || action === 'prepend') ? e._container() : e.dom();
     target[action](element.dom());
     }
     var target = (action === 'append' || action === 'prepend') ? e._container() : e.dom();
     target[action](element.dom());


@@ -191,6 +128,28 @@ DocumentNodeElement.prototype = new DocumentElement();
 
 
 $.extend(DocumentNodeElement.prototype, {
 
 
 $.extend(DocumentNodeElement.prototype, {

+    createDOM: function() {
+        var dom = $('<div>')
+                .attr('document-node-element', ''),
+            widgetsContainer = $('<div>')
+                .addClass('canvas-widgets')
+                .attr('contenteditable', false),
+            container = $('<div>')
+                .attr('document-element-content', '');
+        
+        dom.append(widgetsContainer, container);
+        // Make sure widgets aren't navigable with arrow keys
+        widgetsContainer.find('*').add(widgetsContainer).attr('tabindex', -1);
+        this.$element = dom; //@!!!
+
+        this.setWlxmlTag(this.wlxmlNode.getTagName());
+        this.setWlxmlClass(this.wlxmlNode.getClass());
+
+        this.wlxmlNode.contents().forEach(function(node) {
+            container.append(this.canvas.createElement(node).dom());
+        }.bind(this));
+        return dom;
+    },

     _container: function() {
         return this.dom().children('[document-element-content]');
     },
     _container: function() {
         return this.dom().children('[document-element-content]');
     },


@@ -200,8 +159,6 @@ $.extend(DocumentNodeElement.prototype, {
         return this;
     },
     append: function(params) {
         return this;
     },
     append: function(params) {

-        if(params.tag !== 'span')
-            this.data('orig-end', undefined);

         return manipulate(this, params, 'append');
     },
     prepend: function(params) {
         return manipulate(this, params, 'append');
     },
     prepend: function(params) {


@@ -216,21 +173,17 @@ $.extend(DocumentNodeElement.prototype, {
     },
     children: function() {
         var toret = [];
     },
     children: function() {
         var toret = [];

-        if(this instanceof DocumentTextElement)
+        if(this instanceof DocumentTextElement) {

             return toret;
             return toret;

+        }

 
 
         var elementContent = this._container().contents();
         var element = this;
 
 
         var elementContent = this._container().contents();
         var element = this;

-        elementContent.each(function(idx) {
-            var childElement = DocumentElement.fromHTMLElement(this, element.canvas);
-            if(childElement === undefined)
-                return true;
-            if(idx === 0 && elementContent.length > 1 && elementContent[1].nodeType === Node.ELEMENT_NODE && (childElement instanceof DocumentTextElement) && $.trim($(this).text()) === '')
+        elementContent.each(function() {
+            var childElement = element.canvas.getDocumentElement(this);
+            if(childElement === undefined) {

                 return true;
                 return true;

-            if(idx > 0 && childElement instanceof DocumentTextElement) {
-                if(toret[toret.length-1] instanceof DocumentNodeElement && $.trim($(this).text()) === '')
-                    return true;

             }
             toret.push(childElement);
         });
             }
             toret.push(childElement);
         });


@@ -251,46 +204,32 @@ $.extend(DocumentNodeElement.prototype, {
         return this._container().attr('wlxml-tag');
     },
     setWlxmlTag: function(tag) {
         return this._container().attr('wlxml-tag');
     },
     setWlxmlTag: function(tag) {

-        if(tag === this.getWlxmlTag())
-            return;
-

         this._container().attr('wlxml-tag', tag);
         this._container().attr('wlxml-tag', tag);

-        if(!this.__updatingWlxml)
-            this._updateWlxmlManager();

     },
     getWlxmlClass: function() {
         var klass = this._container().attr('wlxml-class');
     },
     getWlxmlClass: function() {
         var klass = this._container().attr('wlxml-class');

-        if(klass)
+        if(klass) {

             return klass.replace(/-/g, '.');
             return klass.replace(/-/g, '.');

+        }

         return undefined;
     },
     setWlxmlClass: function(klass) {
         return undefined;
     },
     setWlxmlClass: function(klass) {

-        if(klass === this.getWlxmlClass())
+        if(klass === this.getWlxmlClass()) {

             return;
             return;

-        if(klass)
+        }
+        if(klass) {

             this._container().attr('wlxml-class', klass.replace(/\./g, '-'));
             this._container().attr('wlxml-class', klass.replace(/\./g, '-'));

-        else
+        }
+        else {

             this._container().removeAttr('wlxml-class');
             this._container().removeAttr('wlxml-class');

-        if(!this.__updatingWlxml)
-            this._updateWlxmlManager();
-    },
-    setWlxml: function(params) {
-        this.__updatingWlxml = true;
-        if(params.tag !== undefined)
-            this.setWlxmlTag(params.tag);
-        if(params.klass !== undefined)
-            this.setWlxmlClass(params.klass);
-        this._updateWlxmlManager();
-        this.__updatingWlxml = false;
-    },
-    _updateWlxmlManager: function() {
-        var manager = wlxmlManagers.getFor(this);
-        this.data('_wlxmlManager', manager);
-        manager.setup();
+        }
+        this.manager = wlxmlManagers.getFor(this);
+        this.manager.setup();

     },
     is: function(what) {
     },
     is: function(what) {

-        if(what === 'list' && _.contains(['list.items', 'list.items.enum'], this.getWlxmlClass()))
+        if(what === 'list' && _.contains(['list.items', 'list.items.enum'], this.getWlxmlClass())) {

             return true;
             return true;

+        }

         return false;
     },
     toggleLabel: function(toggle) {
         return false;
     },
     toggleLabel: function(toggle) {


@@ -305,36 +244,19 @@ $.extend(DocumentNodeElement.prototype, {
     },
 
     toggle: function(toggle) {
     },
 
     toggle: function(toggle) {

-        var mng = this.data('_wlxmlManager');
-        if(mng) {
-            mng.toggle(toggle);
+        if(this.manager) {
+            this.manager.toggle(toggle);

         }
     }
 });
 
 
 // DocumentNodeElement represents a text node from WLXML document rendered inside Canvas
         }
     }
 });
 
 
 // DocumentNodeElement represents a text node from WLXML document rendered inside Canvas

-var DocumentTextElement = function(htmlElement, canvas) {
-    DocumentElement.call(this, htmlElement, canvas);
+var DocumentTextElement = function(wlxmlTextNode, canvas) {
+    DocumentElement.call(this, wlxmlTextNode, canvas);

 };
 
 $.extend(DocumentTextElement, {
 };
 
 $.extend(DocumentTextElement, {

-    createDOM: function(wlxmlTextNode) {
-        var dom = $('<div>')
-            .attr('document-text-element', '')
-            .text(wlxmlTextNode.getText() || utils.unicode.ZWS),
-        element = this.fromHTMLElement(dom[0], this);
-        element.data('wlxmlNode', wlxmlTextNode);
-        return dom;
-    },
-
-    create: function(wlxmlTextNode, canvas) {
-        return this.fromHTMLElement(this.createDOM(wlxmlTextNode)[0]);
-    },
-
-    fromHTMLElement: function(htmlElement, canvas) {
-        return new this(htmlElement, canvas);
-    },

     isContentContainer: function(htmlElement) {
         return htmlElement.nodeType === Node.TEXT_NODE && $(htmlElement).parent().is('[document-text-element]');
     }
     isContentContainer: function(htmlElement) {
         return htmlElement.nodeType === Node.TEXT_NODE && $(htmlElement).parent().is('[document-text-element]');
     }


@@ -343,12 +265,10 @@ $.extend(DocumentTextElement, {
 DocumentTextElement.prototype = new DocumentElement();
 
 $.extend(DocumentTextElement.prototype, {
 DocumentTextElement.prototype = new DocumentElement();
 
 $.extend(DocumentTextElement.prototype, {

-    _setupDOMHandler: function(htmlElement) {
-        var $element = $(htmlElement);
-        if(htmlElement.nodeType === Node.TEXT_NODE)
-            this.$element = $element.parent();
-        else
-            this.$element = $element;
+    createDOM: function() {
+        return $('<div>')
+            .attr('document-text-element', '')
+            .text(this.wlxmlNode.getText() || utils.unicode.ZWS);

     },
     detach: function() {
         this.dom().detach();
     },
     detach: function() {
         this.dom().detach();


@@ -358,12 +278,6 @@ $.extend(DocumentTextElement.prototype, {
     setText: function(text) {
         this.dom().contents()[0].data = text;
     },
     setText: function(text) {
         this.dom().contents()[0].data = text;
     },

-    appendText: function(text) {
-        this.dom().contents()[0].data += text;
-    },
-    prependText: function(text) {
-        this.dom().contents()[0].data = text + this.dom().contents()[0].data;
-    },

     getText: function(options) {
         options = _.extend({raw: false}, options || {});
         var toret = this.dom().text();
     getText: function(options) {
         options = _.extend({raw: false}, options || {});
         var toret = this.dom().text();


@@ -377,13 +291,14 @@ $.extend(DocumentTextElement.prototype, {
         return this.dom().contents()[0].data === utils.unicode.ZWS;
     },
     after: function(params) {
         return this.dom().contents()[0].data === utils.unicode.ZWS;
     },
     after: function(params) {

-        if(params instanceof DocumentTextElement || params.text)
+        if(params instanceof DocumentTextElement || params.text) {

             return false;
             return false;

+        }

         var element;
         if(params instanceof DocumentNodeElement) {
             element = params;
         } else {
         var element;
         if(params instanceof DocumentNodeElement) {
             element = params;
         } else {

-            element = DocumentElement.create(params, this.canvas);
+            element = this.canvas.createElement(params);

         }
         this.dom().wrap('<div>');
         this.dom().parent().after(element.dom());
         }
         this.dom().wrap('<div>');
         this.dom().parent().after(element.dom());


@@ -391,13 +306,14 @@ $.extend(DocumentTextElement.prototype, {
         return element;
     },
     before: function(params) {
         return element;
     },
     before: function(params) {

-        if(params instanceof DocumentTextElement || params.text)
+        if(params instanceof DocumentTextElement || params.text) {

             return false;
             return false;

+        }

         var element;
         if(params instanceof DocumentNodeElement) {
             element = params;
         } else {
         var element;
         if(params instanceof DocumentNodeElement) {
             element = params;
         } else {

-            element = DocumentNodeElement.create(params, this.canvas);
+            element = this.canvas.createElement(params);

         }
         this.dom().wrap('<div>');
         this.dom().parent().before(element.dom());
         }
         this.dom().wrap('<div>');
         this.dom().parent().before(element.dom());


@@ -405,25 +321,6 @@ $.extend(DocumentTextElement.prototype, {
         return element;
     },
 
         return element;
     },
 

-    divide: function(params) {
-        var myText = this.getText();
-
-        if(params.offset === myText.length)
-            return this.after(params);
-        if(params.offset === 0)
-            return this.before(params);
-
-        var lhsText = myText.substr(0, params.offset),
-            rhsText = myText.substr(params.offset),
-            newElement = DocumentNodeElement.create({tag: params.tag, klass: params.klass}, this.canvas),
-            rhsTextElement = DocumentTextElement.create({text: rhsText});
-
-        this.setText(lhsText);
-        this.after(newElement);
-        newElement.after(rhsTextElement);
-        return newElement;
-    },
-

     toggleHighlight: function() {
         // do nothing for now
     }
     toggleHighlight: function() {
         // do nothing for now
     }