editor: actions implementation

[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 ecf4900..7d19e94 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/wlxmlListener.js
+++ b/src/editor/modules/documentCanvas/canvas/wlxmlListener.js
@@ -23,12 +23,22 @@ $.extend(Listener.prototype, {
             }
         }, this);
 
+        wlxmlDocument.on('operationEnd', function() {
+            this.canvas.triggerSelectionChanged();
+        }, this);
+
         wlxmlDocument.on('contentSet', function() {
             this.canvas.loadWlxmlDocument(wlxmlDocument);
         }, this);
     }
 });
 
+
+var _metadataEventHandler = function(event) {
+    var canvasNode = utils.findCanvasElement(event.meta.node);
+    canvasNode.exec('updateMetadata');
+};
+
 var handlers = {
     nodeAttrChange: function(event) {
         if(event.meta.attr === 'class') {
@@ -36,10 +46,48 @@ var handlers = {
             canvasNode.setWlxmlClass(event.meta.newVal);
         }
     },
-    nodeTagChange: function(event) {
-        var canvasNode = utils.findCanvasElement(event.meta.node);
-        canvasNode.setWlxmlTag(event.meta.newTagName);
-    }
+    nodeAdded: function(event, checkForExistence) {
+        if(event.meta.node.isRoot()) {
+            this.canvas.reloadRoot();
+            return;
+        }
+        var parentElement = utils.findCanvasElement(event.meta.node.parent()),
+            nodeIndex = event.meta.node.getIndex(),
+            referenceElement, referenceAction, actionArg;
+
+        if(nodeIndex === 0) {
+            referenceElement = parentElement;
+            referenceAction = 'prepend';
+        } else {
+            referenceElement = parentElement.children()[nodeIndex-1];
+            referenceAction = 'after';
+        }
+
+        actionArg = (checkForExistence && utils.findCanvasElement(event.meta.node, event.meta.parent)) || event.meta.node;
+        referenceElement[referenceAction](actionArg);
+    },
+    nodeMoved: function(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;
+        }
+        if(toSet !== canvasElement.getText()) {
+            canvasElement.setText(toSet);
+        }
+    },
+
+    metadataChanged: _metadataEventHandler,
+    metadataAdded: _metadataEventHandler,
+    metadataRemoved: _metadataEventHandler
 };
 
 return {