editor: minor usability tweak

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

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index 426dce0..3ee49b7 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -4,8 +4,9 @@ define([
     'libs/backbone',
     'smartxml/events',
     'smartxml/transformations',
     '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 */
     
 'use strict';
 /* globals Node */


@@ -78,6 +79,14 @@ $.extend(DocumentNode.prototype, {
         return this.document.root.sameNode(this);
     },
 
         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;
     },
     sameNode: function(otherNode) {
         return !!(otherNode) && this.nativeNode === otherNode.nativeNode;
     },


@@ -143,6 +152,10 @@ $.extend(DocumentNode.prototype, {
             return 0;
         }
         return this.parent().indexOf(this);
             return 0;
         }
         return this.parent().indexOf(this);

+    },
+
+    getNearestElementNode: function() {
+        return this.nodeType === Node.ELEMENT_NODE ? this : this.parent();

     }
 });
 
     }
 });
 


@@ -210,6 +223,22 @@ $.extend(ElementNode.prototype, {
         return node && (node.nativeNode === this.nativeNode || node._$.parents().index(this._$) !== -1);
     },
 
         return node && (node.nativeNode === this.nativeNode || node._$.parents().index(this._$) !== -1);
     },
 

+    getLastTextNode: function() {
+        var contents = this.contents(),
+            toret;
+
+        contents.reverse().some(function(node) {
+            if(node.nodeType === Node.TEXT_NODE) {
+                toret = node;
+                return true;
+            }
+            toret = node.getLastTextNode();
+            return !!toret;
+        });
+
+        return toret;
+    },
+

     toXML: function() {
         var wrapper = $('<div>');
         wrapper.append(this._getXMLDOMToDump());
     toXML: function() {
         var wrapper = $('<div>');
         wrapper.append(this._getXMLDOMToDump());


@@ -234,6 +263,11 @@ $.extend(TextNode.prototype, {
         return this.nativeNode.data;
     },
 
         return this.nativeNode.data;
     },
 

+
+    containsNode: function() {
+        return false;
+    },
+

     triggerTextChangeEvent: function() {
         var event = new events.ChangeEvent('nodeTextChange', {node: this});
         this.document.trigger('change', event);
     triggerTextChangeEvent: function() {
         var event = new events.ChangeEvent('nodeTextChange', {node: this});
         this.document.trigger('change', event);


@@ -291,7 +325,7 @@ var Document = function(xml, extensions) {
     this.loadXML(xml);
 };
 
     this.loadXML(xml);
 };
 

-$.extend(Document.prototype, Backbone.Events, {
+$.extend(Document.prototype, Backbone.Events, fragments, {

     ElementNodeFactory: ElementNode,
     TextNodeFactory: TextNode,
 
     ElementNodeFactory: ElementNode,
     TextNodeFactory: TextNode,
 


@@ -479,7 +513,7 @@ $.extend(Document.prototype, Backbone.Events, {
         if(!this._currentTransaction) {
             return this.transaction(function() {
                 return this.transform(Transformation, args);
         if(!this._currentTransaction) {
             return this.transaction(function() {
                 return this.transform(Transformation, args);

-            }, this);
+            }, {context: this});

         }
 
         if(typeof Transformation === 'function') {
         }
 
         if(typeof Transformation === 'function') {


@@ -542,6 +576,7 @@ $.extend(Document.prototype, Backbone.Events, {
 
             this._undoInProgress = false;
             this.redoStack.push(transaction);
 
             this._undoInProgress = false;
             this.redoStack.push(transaction);

+            this.trigger('operationEnd');

         }
     },
     redo: function() {
         }
     },
     redo: function() {


@@ -553,6 +588,8 @@ $.extend(Document.prototype, Backbone.Events, {
             });
             this._transformationLevel--;
             this.undoStack.push(transaction);
             });
             this._transformationLevel--;
             this.undoStack.push(transaction);

+            this.trigger('operationEnd');
+

         }
     },
 
         }
     },
 


@@ -560,6 +597,7 @@ $.extend(Document.prototype, Backbone.Events, {
         if(this._currentTransaction) {
             throw new Error('Nested transactions not supported!');
         }
         if(this._currentTransaction) {
             throw new Error('Nested transactions not supported!');
         }

+        this._rollbackBackup = this.root.clone();

         this._currentTransaction = new Transaction([], metadata);
     },
 
         this._currentTransaction = new Transaction([], metadata);
     },
 


@@ -569,15 +607,38 @@ $.extend(Document.prototype, Backbone.Events, {
         }
         if(this._currentTransaction.hasTransformations()) {
             this.undoStack.push(this._currentTransaction);
         }
         if(this._currentTransaction.hasTransformations()) {
             this.undoStack.push(this._currentTransaction);

+            this.trigger('operationEnd');
+        }
+        this._currentTransaction = null;
+    },
+
+    rollbackTransaction: function() {
+        if(!this._currentTransaction) {
+            throw new Error('Transaction rollback requested, but there is no transaction in progress!');

         }
         }

+        this.replaceRoot(this._rollbackBackup);
+        this._rollbackBackup = null;

         this._currentTransaction = null;
         this._currentTransaction = null;

+        this._transformationLevel = 0;

     },
 
     },
 

-    transaction: function(callback, context, metadata) {
+    transaction: function(callback, params) {

         var toret;
         var toret;

-        this.startTransaction(metadata);
-        toret = callback.call(context);
+        params = params || {};
+        this.startTransaction(params.metadata);
+        try {
+            toret = callback.call(params.context || this);
+        } catch(e) {
+            if(params.error) {
+                params.error(e);
+            }
+            this.rollbackTransaction();
+            return;
+        }

         this.endTransaction();
         this.endTransaction();

+        if(params.success) {
+            params.success(toret);
+        }

         return toret;
     },
 
         return toret;
     },
 


@@ -603,6 +664,13 @@ $.extend(Document.prototype, Backbone.Events, {
             }
             return $document[0];
         }, configurable: true});
             }
             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);

     }
 });
 
     }
 });