editor: return fragments from actions, set this fragment on canvas if possible

[fnpeditor.git] / src / smartxml / smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index c23e06d..e2cdc9b 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -4,8 +4,9 @@ define([
     'libs/backbone',
     'smartxml/events',
     'smartxml/transformations',
-    'smartxml/core'
-], function($, _, Backbone, events, transformations, coreTransformations) {
+    'smartxml/core',
+    'smartxml/fragments'
+], function($, _, Backbone, events, transformations, coreTransformations, fragments) {
     
 'use strict';
 /* globals Node */
@@ -78,6 +79,14 @@ $.extend(DocumentNode.prototype, {
         return this.document.root.sameNode(this);
     },
 
+    isInDocument: function() {
+        return this.document.containsNode(this);
+    },
+
+    isSiblingOf: function(node) {
+        return node && this.parent().sameNode(node.parent());
+    },
+
     sameNode: function(otherNode) {
         return !!(otherNode) && this.nativeNode === otherNode.nativeNode;
     },
@@ -143,6 +152,10 @@ $.extend(DocumentNode.prototype, {
             return 0;
         }
         return this.parent().indexOf(this);
+    },
+
+    getNearestElementNode: function() {
+        return this.nodeType === Node.ELEMENT_NODE ? this : this.parent();
     }
 });
 
@@ -234,6 +247,11 @@ $.extend(TextNode.prototype, {
         return this.nativeNode.data;
     },
 
+
+    containsNode: function() {
+        return false;
+    },
+
     triggerTextChangeEvent: function() {
         var event = new events.ChangeEvent('nodeTextChange', {node: this});
         this.document.trigger('change', event);
@@ -291,7 +309,7 @@ var Document = function(xml, extensions) {
     this.loadXML(xml);
 };
 
-$.extend(Document.prototype, Backbone.Events, {
+$.extend(Document.prototype, Backbone.Events, fragments, {
     ElementNodeFactory: ElementNode,
     TextNodeFactory: TextNode,
 
@@ -479,7 +497,7 @@ $.extend(Document.prototype, Backbone.Events, {
         if(!this._currentTransaction) {
             return this.transaction(function() {
                 return this.transform(Transformation, args);
-            }, this);
+            }, {context: this});
         }
 
         if(typeof Transformation === 'function') {
@@ -542,6 +560,7 @@ $.extend(Document.prototype, Backbone.Events, {
 
             this._undoInProgress = false;
             this.redoStack.push(transaction);
+            this.trigger('operationEnd');
         }
     },
     redo: function() {
@@ -553,6 +572,8 @@ $.extend(Document.prototype, Backbone.Events, {
             });
             this._transformationLevel--;
             this.undoStack.push(transaction);
+            this.trigger('operationEnd');
+
         }
     },
 
@@ -570,6 +591,7 @@ $.extend(Document.prototype, Backbone.Events, {
         }
         if(this._currentTransaction.hasTransformations()) {
             this.undoStack.push(this._currentTransaction);
+            this.trigger('operationEnd');
         }
         this._currentTransaction = null;
     },
@@ -581,6 +603,7 @@ $.extend(Document.prototype, Backbone.Events, {
         this.replaceRoot(this._rollbackBackup);
         this._rollbackBackup = null;
         this._currentTransaction = null;
+        this._transformationLevel = 0;
     },
 
     transaction: function(callback, params) {
@@ -625,6 +648,13 @@ $.extend(Document.prototype, Backbone.Events, {
             }
             return $document[0];
         }, configurable: true});
+    },
+
+    createFragment: function(Type, params) {
+        if(!Type.prototype instanceof fragments.Fragment) {
+            throw new Error('Can\'t create a fragment: `Type` is not a valid Fragment');
+        }
+        return new Type(this, params);
     }
 });