filename updates

js/views/navBarView.js

@@ -0,0 +1,44 @@
+
+(function(ionic) {
+
+  ionic.views.NavBar = function(opts) {
+    this.el = opts.el;
+
+    this._titleEl = this.el.querySelector('.title');
+  };
+
+  ionic.views.NavBar.prototype = {
+    shouldGoBack: function() {},
+
+    setTitle: function(title) {
+      if(!this._titleEl) {
+        return;
+      }
+      this._titleEl.innerHTML = title;
+    },
+
+    showBackButton: function(shouldShow) {
+      var _this = this;
+
+      if(!this._currentBackButton) {
+        var back = document.createElement('a');
+        back.className = 'button back';
+        back.innerHTML = 'Back';
+
+        this._currentBackButton = back;
+        this._currentBackButton.onclick = function(event) {
+          _this.shouldGoBack && _this.shouldGoBack();
+        }
+      }
+
+      if(shouldShow && !this._currentBackButton.parentNode) {
+        // Prepend the back button
+        this.el.insertBefore(this._currentBackButton, this.el.firstChild);
+      } else if(!shouldShow && this._currentBackButton.parentNode) {
+        // Remove the back button if it's there
+        this._currentBackButton.parentNode.removeChild(this._currentBackButton);
+      }
+    }
+  };
+
+})(ionic);