TestPanel.controller.js

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sap.ui.define([ 'rootui5/panel/Controller', 'sap/ui/model/json/JSONModel', 'sap/m/MessageToast' ],
              function(GuiPanelController, JSONModel, MessageToast) {
                 "use strict";
 
                 return GuiPanelController.extend("localapp.controller.TestPanel", {
 
                    // function called from rootui5.panel.Controller
                    onPanelInit : function() { this.setPanelTitle("TestPanel"); },
 
                    // function called from rootui5.panel.Controller
                    onPanelExit : function() {},
 
                    onPanelReceive : function(msg, offset) {
                       if (typeof msg != "string") {
                          // binary data transfer not used in this example
                          var arr = new Float32Array(msg, offset);
                          return;
                       }
 
                       if (msg.indexOf("MODEL:") == 0) {
                          var data = JSON.parse(msg.substr(6));
                          if (data)
                             this.getView().setModel(new JSONModel(data));
                       } else {
                          MessageToast.show("Receive msg: " + msg.substr(0, 30));
                       }
                    },
 
                    handleButtonPress : function() { MessageToast.show("Press sample button"); },
 
                    // just send model as is to the server back
                    handleSendPress : function() { this.panelSend("MODEL:" + this.getView().getModel().getJSON()); },
 
                    handleRefreshPress : function() { this.panelSend("REFRESH"); }
                 });
              });