refactoring: stop using data api on document element to keep reference to wlxmlNode

[fnpeditor.git] / src / editor / modules / documentCanvas / canvas / wlxmlListener.js

diff --git a/src/editor/modules/documentCanvas/canvas/wlxmlListener.js b/src/editor/modules/documentCanvas/canvas/wlxmlListener.js
index c5deabf..cbf8d08 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/wlxmlListener.js
+++ b/src/editor/modules/documentCanvas/canvas/wlxmlListener.js
@@ -29,6 +29,12 @@ $.extend(Listener.prototype, {
     }
 });
 
+
+var _metadataEventHandler = function(event) {
+    var canvasNode = utils.findCanvasElement(event.meta.node);
+    canvasNode.exec('updateMetadata');
+};
+
 var handlers = {
     nodeAttrChange: function(event) {
         if(event.meta.attr === 'class') {
@@ -39,8 +45,9 @@ var handlers = {
     nodeTagChange: function(event) {
         var canvasNode = utils.findCanvasElement(event.meta.node);
         canvasNode.setWlxmlTag(event.meta.newTagName);
+        canvasNode.wlxmlNode = event.meta.node;
     },
-    nodeAdded: function(event) {
+    nodeAdded: function(event, checkForExistence) {
         if(event.meta.node.isRoot()) {
             this.canvas.reloadRoot();
             return;
@@ -57,24 +64,31 @@ var handlers = {
             referenceAction = 'after';
         }
 
-        actionArg = utils.findCanvasElement(event.meta.node) || event.meta.node;
+        actionArg = (checkForExistence && utils.findCanvasElement(event.meta.node, event.meta.parent)) || event.meta.node;
         referenceElement[referenceAction](actionArg);
     },
     nodeMoved: function(event) {
-        return handlers.nodeAdded(event);
+        return handlers.nodeAdded.call(this, event, true);
     },
     nodeDetached: function(event) {
         var canvasNode = utils.findCanvasElementInParent(event.meta.node, event.meta.parent);
         canvasNode.detach();
     },
     nodeTextChange: function(event) {
+        //console.log('wlxmlListener: ' + event.meta.node.getText());
         var canvasElement = utils.findCanvasElement(event.meta.node),
             toSet = event.meta.node.getText();
         if(toSet === '') {
             toSet = utils.unicode.ZWS;
         }
-        canvasElement.setText(toSet);
-    }
+        if(toSet !== canvasElement.getText()) {
+            canvasElement.setText(toSet);
+        }
+    },
+
+    metadataChanged: _metadataEventHandler,
+    metadataAdded: _metadataEventHandler,
+    metadataRemoved: _metadataEventHandler
 };
 
 return {