Messing with hack example of TabBarController and Test

hacking/TabBarController.js

@@ -0,0 +1,62 @@
+TabBar = function(element) {
+  this.element = element;
+}
+TabBar.prototype = {};
+
+TabBarController = function(options) {
+  this.tabBar = options.tabBar;
+
+  this.tabs = [];
+
+  // Bind or set our tabWillChange callback
+  this.tabWillChange = options.tabWillChange || function(tab) {};
+  this.tabChanged = options.tabChanged || function(tab) {};
+};
+
+TabBarController.prototype = {
+  selectTab: function(index) {
+    var shouldChange = true;
+
+    // Check if we should switch to this tab. This lets the app
+    // cancel tab switches if the context isn't right, for example.
+    if(this.tabWillChange) {
+      if(this.tabWillChange(this.tabs[index], index) === false) {
+        shouldChange = false;
+      }
+    }
+
+    if(shouldChange) {
+      this.selectedTab = this.tabs[index];
+      this.tabChanged && this.tabChanged(this.selectedTab, index);
+    }
+  },
+
+  // Return the tab at the given index
+  getTab: function(index) {
+    return this.tabs[index];
+  },
+
+  // Return the current tab list
+  getTabs: function() {
+    return this.tabs;
+  },
+
+  // Get the currently selected tab
+  getSelectedTab: function() {
+    return this.selectedTab;
+  },
+
+  // Add a tab
+  addTab: function(tab) {
+    this.tabs.push(tab);
+    if(!this.selectedTab) {
+      this.selectedTab = tab;
+    }
+  },
+
+  // Set the tabs and select the first
+  setTabs: function(tabs) {
+    this.tabs = tabs;
+    this.selectTab(0);
+  }
+}