+ return true;
+ }
+ return false;
+ },
+
+ updatingSucceeded: function() {
+ if (this.get('state') != 'updating') {
+ alert('erroneous state:', this.get('state'));
+ }
+ this.set('state', 'updated');
+ },
+
+ updatingFailed: function() {
+ if (this.get('state') != 'updating') {
+ alert('erroneous state:', this.get('state'));
+ }
+ this.set('state', 'dirty');
+ },
+
+ // For debbuging
+ set: function(property, value) {
+ if (property == 'state') {
+ console.log(this.description(), ':', property, '=', value);
+ }
+ return this._super(property, value);
+ },
+
+ dataChanged: function(property, value) {
+ if (this.get('state') == 'synced') {
+ this.set('state', 'dirty');