From 19d2aa54326b46cf167ad3f137abcc04c20e8323 Mon Sep 17 00:00:00 2001
From: Max Lynch <max@codiqa.com>
Date: Mon, 16 Sep 2013 19:11:58 -0500
Subject: [PATCH] Basic NavController with Tests

---
 hacking/NavBar.js             |  9 +++++++
 hacking/NavController.js      | 49 +++++++++++++++++++++++++++++++++++
 hacking/NavController.unit.js | 48 ++++++++++++++++++++++++++++++++++
 hacking/TabBar.js             |  2 +-
 4 files changed, 107 insertions(+), 1 deletion(-)
 create mode 100644 hacking/NavBar.js
 create mode 100644 hacking/NavController.js
 create mode 100644 hacking/NavController.unit.js

diff --git a/hacking/NavBar.js b/hacking/NavBar.js
new file mode 100644
index 0000000000..f82ff447f2
--- /dev/null
+++ b/hacking/NavBar.js
@@ -0,0 +1,9 @@
+(function(window, document, ionic) {
+
+  NavBar = function() {
+  };
+
+  NavBar.prototype = {
+  };
+})(this, document, ion = this.ionic || {});
+
diff --git a/hacking/NavController.js b/hacking/NavController.js
new file mode 100644
index 0000000000..a0d005177c
--- /dev/null
+++ b/hacking/NavController.js
@@ -0,0 +1,49 @@
+(function(window, document, ionic) {
+  NavController = function(opts) {
+    this.navBar = opts.navBar;
+    this.controllers = opts.controllers || [];
+  };
+
+  NavController.prototype = {
+    getControllers: function() {
+      return this.controllers;
+    },
+    getTopController: function() {
+      return this.topController;
+    },
+    push: function(controller) {
+      this.controllers.push(controller);
+
+      // Indicate we are switching controllers
+      var shouldSwitch = this.switchingController && this.switchingController(controller) || true;
+
+      // Return if navigation cancelled
+      if(shouldSwitch === false)
+        return;
+
+      // Actually switch the active controllers
+
+      // Grab the top controller on the stack
+      var next = this.controllers[this.controllers.length - 1];
+      // Switch to it (TODO: Animate or such things here)
+      this.topController = next;
+
+      return controller;
+    },
+
+
+    pop: function() {
+      var next, last;
+
+      // Grab the controller behind the top one on the stack
+      last = this.controllers.pop();
+
+      next = this.controllers[this.controllers.length - 1];
+
+      // Switch to it (TODO: Animate or such things here)
+      this.topController = next;
+
+      return last;
+    }
+  };
+})(this, document, this.ionic || {});
diff --git a/hacking/NavController.unit.js b/hacking/NavController.unit.js
new file mode 100644
index 0000000000..6373c96fb0
--- /dev/null
+++ b/hacking/NavController.unit.js
@@ -0,0 +1,48 @@
+describe('NavController', function() {
+  var ctrl;
+
+  beforeEach(function() {
+    ctrl = new NavController({
+      navBar: new NavBar()
+    });
+  });
+
+  it('Should load controllers', function() {
+    ctrl = new NavController({
+      controllers: [{}]
+    });
+    expect(ctrl.getControllers().length).toEqual(1);
+  });
+
+  it('Should push controller', function() {
+    ctrl.push({
+      title: 'Page 1'
+    });
+    expect(ctrl.getControllers().length).toEqual(1);
+    ctrl.push({
+      title: 'Page 2'
+    });
+    expect(ctrl.getControllers().length).toEqual(2);
+    var last = ctrl.pop();
+    expect(ctrl.getControllers().length).toEqual(1);
+    expect(last.title).toEqual('Page 2');
+  });
+
+  it('Should change top view controller', function() {
+    expect(ctrl.getTopController()).toBe(undefined);
+    var c1 = {
+      title: 'Page 1'
+    };
+    var c2 = {
+      title: 'Page 2'
+    };
+    ctrl.push(c1);
+    expect(ctrl.getTopController()).toEqual(c1);
+    ctrl.push(c2);
+    expect(ctrl.getTopController()).toEqual(c2);
+    ctrl.pop();
+    expect(ctrl.getTopController()).toEqual(c1);
+    ctrl.pop();
+    expect(ctrl.getTopController()).toEqual(undefined);
+  });
+});
diff --git a/hacking/TabBar.js b/hacking/TabBar.js
index 9df4a0d913..c37d2433f3 100644
--- a/hacking/TabBar.js
+++ b/hacking/TabBar.js
@@ -186,4 +186,4 @@ TabBar.prototype = {
   }
 };
 
-})(this, document, ion = this.ionic || {});
+})(this, document, this.ionic || {});