adding general collaboration framework and Brix

mindplot/src/main/javascript/model/LinkModel.js

@@ -0,0 +1,44 @@
+/*
+ *    Copyright [2011] [wisemapping]
+ *
+ *   Licensed under WiseMapping Public License, Version 1.0 (the "License").
+ *   It is basically the Apache License, Version 2.0 (the "License") plus the
+ *   "powered by wisemapping" text requirement on every single page;
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the license at
+ *
+ *       http://www.wisemapping.org/license
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ */
+
+mindplot.model.LinkModel = new Class({
+    initialize : function(url, topic) {
+        $assert(url, 'url can not be null');
+        $assert(topic, 'mindmap can not be null');
+
+        this._url = url;
+        this._topic = topic;
+    },
+
+    getUrl : function() {
+        return this._url;
+    },
+
+    setUrl : function(url) {
+        $assert(url, 'url can not be null');
+        this._url = url;
+    },
+
+    getTopic : function() {
+        return this._topic;
+    },
+
+    isLinkModel : function() {
+        return true;
+    }
+});