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smartxml: Rollback support for transactions
[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 4951e6c..7f448ba 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/documentElement.js
+++ b/src/editor/modules/documentCanvas/canvas/documentElement.js
@@ -2,41 +2,40 @@ 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
 var DocumentElement = function(htmlElement, canvas) {
 
 
 // DocumentElement represents a text or an element node from WLXML document rendered inside Canvas
 var DocumentElement = function(htmlElement, canvas) {
-    if(arguments.length === 0)
+    if(arguments.length === 0) {
         return;
         return;
+    }
     this.canvas = canvas;
     this._setupDOMHandler(htmlElement);
     this.canvas = canvas;
     this._setupDOMHandler(htmlElement);
-}
+};
 
 
 var elementTypeFromWlxmlNode = function(wlxmlNode) {
     return wlxmlNode.nodeType === Node.TEXT_NODE ? DocumentTextElement : DocumentNodeElement;
 
 
 var elementTypeFromWlxmlNode = function(wlxmlNode) {
     return wlxmlNode.nodeType === Node.TEXT_NODE ? DocumentTextElement : DocumentNodeElement;
-}
+};
 
 $.extend(DocumentElement, {
     create: function(node, canvas) {
         return elementTypeFromWlxmlNode(node).create(node, canvas);
     },
 
 
 $.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);
     fromHTMLElement: function(htmlElement, canvas) {
         var $element = $(htmlElement);
-        if(htmlElement.nodeType === Node.ELEMENT_NODE && $element.attr('document-node-element') !== undefined)
+        if(htmlElement.nodeType === Node.ELEMENT_NODE && $element.attr('document-node-element') !== undefined) {
             return DocumentNodeElement.fromHTMLElement(htmlElement, canvas);
             return DocumentNodeElement.fromHTMLElement(htmlElement, canvas);
-        if($element.attr('document-text-element') !== undefined || (htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined))
+        }
+        if($element.attr('document-text-element') !== undefined || (htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined)) {
             return DocumentTextElement.fromHTMLElement(htmlElement, canvas);
             return DocumentTextElement.fromHTMLElement(htmlElement, canvas);
+        }
         return undefined;
     }
 });
         return undefined;
     }
 });
@@ -54,14 +53,16 @@ $.extend(DocumentElement.prototype, {
     data: function() {
         var dom = this.dom(),
             args = Array.prototype.slice.call(arguments, 0);
     data: function() {
         var dom = this.dom(),
             args = Array.prototype.slice.call(arguments, 0);
-        if(args.length === 2 && args[1] === undefined)
+        if(args.length === 2 && args[1] === undefined) {
             return dom.removeData(args[0]);
             return dom.removeData(args[0]);
+        }
         return dom.data.apply(dom, arguments);
     },
     parent: function() {
         var parents = this.$element.parents('[document-node-element]');
         return dom.data.apply(dom, arguments);
     },
     parent: function() {
         var parents = this.$element.parents('[document-node-element]');
-        if(parents.length)
+        if(parents.length) {
             return DocumentElement.fromHTMLElement(parents[0], this.canvas);
             return DocumentElement.fromHTMLElement(parents[0], this.canvas);
+        }
         return null;
     },
 
         return null;
     },
 
@@ -79,13 +80,6 @@ $.extend(DocumentElement.prototype, {
         return other && (typeof other === typeof this) && other.dom()[0] === this.dom()[0];
     },
 
         return other && (typeof other === typeof this) && other.dom()[0] === this.dom()[0];
     },
 
-    wrapWithNodeElement: function(wlxmlNode) {
-        var wrapper = DocumentNodeElement.create({tag: wlxmlNode.tag, klass: wlxmlNode.klass}, this);
-        this.dom().replaceWith(wrapper.dom());
-        wrapper.append(this);
-        return wrapper;
-    },
-
     markAsCurrent: function() {
         this.canvas.markAsCurrent(this);
     },
     markAsCurrent: function() {
         this.canvas.markAsCurrent(this);
     },
@@ -93,15 +87,17 @@ $.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;
@@ -133,8 +129,9 @@ $.extend(DocumentElement.prototype, {
 
     exec: function(method) {
         var manager = this.data('_wlxmlManager');
 
     exec: function(method) {
         var manager = this.data('_wlxmlManager');
-        if(manager[method])
+        if(manager[method]) {
             return manager[method].apply(manager, Array.prototype.slice.call(arguments, 1));
             return manager[method].apply(manager, Array.prototype.slice.call(arguments, 1));
+        }
     }
 });
 
     }
 });
 
@@ -173,9 +170,9 @@ $.extend(DocumentNodeElement, {
 
         element.setWlxml({tag: wlxmlNode.getTagName(), klass: wlxmlNode.getClass()});
 
 
         element.setWlxml({tag: wlxmlNode.getTagName(), klass: wlxmlNode.getClass()});
 
-        wlxmlNode.contents().forEach((function(node) {
-            container.append(DocumentElement.create(node).dom());
-        }).bind(this));
+        wlxmlNode.contents().forEach(function(node) {
+            container.append(DocumentElement.create(node, canvas).dom());
+        }.bind(this));
 
         return dom;
     }
 
         return dom;
     }
@@ -202,69 +199,11 @@ $.extend(DocumentNodeElement.prototype, {
         return this.dom().children('[document-element-content]');
     },
     detach: function() {
         return this.dom().children('[document-element-content]');
     },
     detach: function() {
-        var parent = this.parent();
-        if(!parent)
-            return;
-
-        var parentChildren = parent.children(),
-            myIdx = parent.childIndex(this);
-
-        if(myIdx > 0 && myIdx < parentChildren.length) {
-            if((parentChildren[myIdx-1] instanceof DocumentTextElement) && (parentChildren[myIdx+1] instanceof DocumentTextElement)) {
-                parentChildren[myIdx-1].appendText(parentChildren[myIdx+1].getText());
-                parentChildren[myIdx+1].detach();
-            }
-        }
         this.dom().detach();
         this.canvas = null;
         return this;
     },
         this.dom().detach();
         this.canvas = null;
         return this;
     },
-    unwrapContents: function() {
-        var parent = this.parent();
-        if(!parent)
-            return;
-
-        var parentChildren = parent.children(),
-            myChildren = this.children(),
-            myIdx = parent.childIndex(this);
-
-        if(myChildren.length === 0)
-            return this.detach();
-
-        var moveLeftRange, moveRightRange, leftMerged;
-
-        if(myIdx > 0 && (parentChildren[myIdx-1] instanceof DocumentTextElement) && (myChildren[0] instanceof DocumentTextElement)) {
-            parentChildren[myIdx-1].appendText(myChildren[0].getText());
-            myChildren[0].detach();
-            moveLeftRange = true;
-            leftMerged = true;
-        } else {
-            leftMerged = false;
-        }
-
-        if(!(leftMerged && myChildren.length === 1)) {
-            if(myIdx < parentChildren.length - 1 && (parentChildren[myIdx+1] instanceof DocumentTextElement) && (myChildren[myChildren.length-1] instanceof DocumentTextElement)) {
-                parentChildren[myIdx+1].prependText(myChildren[myChildren.length-1].getText());
-                myChildren[myChildren.length-1].detach();
-                moveRightRange = true;
-            }
-        }
-
-        var childrenLength = this.children().length;
-        this.children().forEach(function(child) {
-            this.before(child);
-        }.bind(this));
-
-        this.detach();
-
-        return {
-            element1: parent.children()[myIdx + (moveLeftRange ? -1 : 0)],
-            element2: parent.children()[myIdx + childrenLength-1 + (moveRightRange ? 1 : 0)]
-        };
-    },
     append: function(params) {
     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) {
@@ -279,21 +218,17 @@ $.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) {
+        elementContent.each(function() {
             var childElement = DocumentElement.fromHTMLElement(this, element.canvas);
             var childElement = DocumentElement.fromHTMLElement(this, element.canvas);
-            if(childElement === undefined)
+            if(childElement === undefined) {
                 return true;
                 return true;
-            if(idx === 0 && elementContent.length > 1 && elementContent[1].nodeType === Node.ELEMENT_NODE && (childElement instanceof DocumentTextElement) && $.trim($(this).text()) === '')
-                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);
         });
@@ -314,35 +249,44 @@ $.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())
+        if(tag === this.getWlxmlTag()) {
             return;
             return;
+        }
 
         this._container().attr('wlxml-tag', tag);
 
         this._container().attr('wlxml-tag', tag);
-        if(!this.__updatingWlxml)
+        if(!this.__updatingWlxml) {
             this._updateWlxmlManager();
             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)
+        }
+        if(!this.__updatingWlxml) {
             this._updateWlxmlManager();
             this._updateWlxmlManager();
+        }
     },
     setWlxml: function(params) {
         this.__updatingWlxml = true;
     },
     setWlxml: function(params) {
         this.__updatingWlxml = true;
-        if(params.tag !== undefined)
+        if(params.tag !== undefined) {
             this.setWlxmlTag(params.tag);
             this.setWlxmlTag(params.tag);
-        if(params.klass !== undefined)
+        }
+        if(params.klass !== undefined) {
             this.setWlxmlClass(params.klass);
             this.setWlxmlClass(params.klass);
+        }
         this._updateWlxmlManager();
         this.__updatingWlxml = false;
     },
         this._updateWlxmlManager();
         this.__updatingWlxml = false;
     },
@@ -352,8 +296,9 @@ $.extend(DocumentNodeElement.prototype, {
         manager.setup();
     },
     is: function(what) {
         manager.setup();
     },
     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) {
@@ -382,17 +327,17 @@ var DocumentTextElement = function(htmlElement, canvas) {
 };
 
 $.extend(DocumentTextElement, {
 };
 
 $.extend(DocumentTextElement, {
-    createDOM: function(wlxmlTextNode) {
+    createDOM: function(wlxmlTextNode, canvas) {
         var dom = $('<div>')
             .attr('document-text-element', '')
             .text(wlxmlTextNode.getText() || utils.unicode.ZWS),
         var dom = $('<div>')
             .attr('document-text-element', '')
             .text(wlxmlTextNode.getText() || utils.unicode.ZWS),
-        element = this.fromHTMLElement(dom[0], this);
+        element = this.fromHTMLElement(dom[0], canvas);
         element.data('wlxmlNode', wlxmlTextNode);
         return dom;
     },
 
     create: function(wlxmlTextNode, canvas) {
         element.data('wlxmlNode', wlxmlTextNode);
         return dom;
     },
 
     create: function(wlxmlTextNode, canvas) {
-        return this.fromHTMLElement(this.createDOM(wlxmlTextNode)[0]);
+        return this.fromHTMLElement(this.createDOM(wlxmlTextNode, canvas)[0], canvas);
     },
 
     fromHTMLElement: function(htmlElement, canvas) {
     },
 
     fromHTMLElement: function(htmlElement, canvas) {
@@ -408,10 +353,12 @@ DocumentTextElement.prototype = new DocumentElement();
 $.extend(DocumentTextElement.prototype, {
     _setupDOMHandler: function(htmlElement) {
         var $element = $(htmlElement);
 $.extend(DocumentTextElement.prototype, {
     _setupDOMHandler: function(htmlElement) {
         var $element = $(htmlElement);
-        if(htmlElement.nodeType === Node.TEXT_NODE)
+        if(htmlElement.nodeType === Node.TEXT_NODE) {
             this.$element = $element.parent();
             this.$element = $element.parent();
-        else
+        }
+        else {
             this.$element = $element;
             this.$element = $element;
+        }
     },
     detach: function() {
         this.dom().detach();
     },
     detach: function() {
         this.dom().detach();
@@ -421,12 +368,6 @@ $.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();
@@ -440,13 +381,14 @@ $.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 = DocumentNodeElement.create(params, this.canvas);
+            element = DocumentElement.create(params, this.canvas);
         }
         this.dom().wrap('<div>');
         this.dom().parent().after(element.dom());
         }
         this.dom().wrap('<div>');
         this.dom().parent().after(element.dom());
@@ -454,8 +396,9 @@ $.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;
         var element;
         if(params instanceof DocumentNodeElement) {
             element = params;
@@ -467,91 +410,16 @@ $.extend(DocumentTextElement.prototype, {
         this.dom().unwrap();
         return element;
     },
         this.dom().unwrap();
         return element;
     },
-    wrapWithNodeElement: function(wlxmlNode) {
-        if(typeof wlxmlNode.start === 'number' && typeof wlxmlNode.end === 'number') {
-            return this.canvas.wrapText({
-                inside: this.parent(),
-                textNodeIdx: this.parent().childIndex(this),
-                offsetStart: Math.min(wlxmlNode.start, wlxmlNode.end),
-                offsetEnd: Math.max(wlxmlNode.start, wlxmlNode.end),
-                _with: {tag: wlxmlNode.tag, klass: wlxmlNode.klass}
-            });
-        } else {
-            return DocumentElement.prototype.wrapWithNodeElement.call(this, wlxmlNode);
-        }
-    },
-    unwrap: function() {
-        var parent = this.parent(),
-            toret;
-        if(parent.children().length === 1) {
-            toret = parent.parent();
-            var grandParent = parent.parent();
-            if(grandParent) {
-                var grandParentChildren = grandParent.children(),
-                    idx = grandParent.childIndex(parent),
-                    prev = idx - 1 > -1 ? grandParentChildren[idx-1] : null,
-                    next = idx + 1 < grandParentChildren.length ? grandParentChildren[idx+1] : null;
-                
-                prev = (prev instanceof DocumentTextElement) ? prev : null;
-                next = (next instanceof DocumentTextElement) ? next : null;
-
-                if(prev && next) {
-                    prev.setText(prev.getText() + this.getText() + next.getText());
-                    next.detach();
-                } else if (prev || next) {
-                    var target = prev ? prev : next,
-                        newText = prev ? target.getText() + this.getText() : this.getText() + target.getText();
-                    target.setText(newText);
-                } else {
-                    parent.after(this);
-                }
-            } else {
-                parent.after(this);
-            }
-            parent.detach();
-            return toret;
-        }
-    },
-    split: function(params) {
-        var parentElement = this.parent(),
-            myIdx = parentElement.childIndex(this),
-            myCanvas = this.canvas,
-            passed = false,
-            succeedingChildren = [],
-            thisElement = this,
-            prefix = this.getText().substr(0, params.offset),
-            suffix = this.getText().substr(params.offset);
-
-        parentElement.children().forEach(function(child) {
-            if(passed)
-                succeedingChildren.push(child);
-            if(child.sameNode(thisElement))
-                passed = true;
-        });
-
-        if(prefix.length > 0)
-            this.setText(prefix);
-        else
-            this.detach();
-        
-        var newElement = DocumentNodeElement.create({tag: parentElement.getWlxmlTag(), klass: parentElement.getWlxmlClass()}, myCanvas);
-        parentElement.after(newElement);
-
-        if(suffix.length > 0)
-            newElement.append({text: suffix});
-        succeedingChildren.forEach(function(child) {
-            newElement.append(child);
-        });
 
 
-        return {first: parentElement, second: newElement};
-    },
     divide: function(params) {
         var myText = this.getText();
 
     divide: function(params) {
         var myText = this.getText();
 
-        if(params.offset === myText.length)
+        if(params.offset === myText.length) {
             return this.after(params);
             return this.after(params);
-        if(params.offset === 0)
+        }
+        if(params.offset === 0) {
             return this.before(params);
             return this.before(params);
+        }
 
         var lhsText = myText.substr(0, params.offset),
             rhsText = myText.substr(params.offset),
 
         var lhsText = myText.substr(0, params.offset),
             rhsText = myText.substr(params.offset),