fix context menu conflic

src/adapter/contextmenu.js

@@ -27,10 +27,13 @@ KM.registerUI( 'contextmenu', function () {
         }
     });
     me.$container.append($menu);
-    me.on('aftercontextmenu', function (e) {
+    me.on('contextmenu', function(e) {
         e.preventDefault();
+    });
+    me.on('mouseup', function (e) {
+        //e.preventDefault();
         
-        if (me.getStatus() == 'hand') return;
+        if (me.getStatus() == 'hand' || !e.isRightMB()) return;
 
         var node = e.getTargetNode();
         if(node){

src/core/minder.event.js

@@ -43,11 +43,11 @@ kity.extendClass(Minder, {
         if (this._fire(beforeEvent)) {
             return;
         }
-        preEvent = new MinderEvent('pre' + e.type, e, false);
-        executeEvent = new MinderEvent(e.type, e, false);
+        preEvent = new MinderEvent('pre' + e.type, e, true);
+        executeEvent = new MinderEvent(e.type, e, true);
 
-        this._fire(preEvent);
-        this._fire(executeEvent);
+        this._fire(preEvent) ||
+            this._fire(executeEvent) ||
             this._fire(new MinderEvent('after' + e.type, e, false));
 
         if (~'mousedown mouseup keydown keyup'.indexOf(e.type)) {