1 files changed, 122 insertions, 0 deletions
diff --git a/apps/files/js/navigation.js b/apps/files/js/navigation.js
new file mode 100644
index 00000000000..c58a284e83f
--- /dev/null
+++ b/apps/files/js/navigation.js
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2014
+ *
+ * @author Vincent Petry
+ * @copyright 2014 Vincent Petry <pvince81@owncloud.com>
+ *
+ * This file is licensed under the Affero General Public License version 3
+ * or later.
+ *
+ * See the COPYING-README file.
+ *
+ */
+
+(function() {
+
+	var Navigation = function($el) {
+		this.initialize($el);
+	};
+
+	Navigation.prototype = {
+
+		/**
+		 * Currently selected item in the list
+		 */
+		_activeItem: null,
+
+		/**
+		 * Currently selected container
+		 */
+		$currentContent: null,
+
+		/**
+		 * Initializes the navigation from the given container
+		 * @param $el element containing the navigation
+		 */
+		initialize: function($el) {
+			this.$el = $el;
+			this._activeItem = null;
+			this.$currentContent = null;
+			this._setupEvents();
+		},
+
+		/**
+		 * Setup UI events
+		 */
+		_setupEvents: function() {
+			this.$el.on('click', 'li a', _.bind(this._onClickItem, this));
+		},
+
+		/**
+		 * Returns the container of the currently active app.
+		 *
+		 * @return app container
+		 */
+		getActiveContainer: function() {
+			return this.$currentContent;
+		},
+
+		/**
+		 * Returns the currently active item
+		 * 
+		 * @return item ID
+		 */
+		getActiveItem: function() {
+			return this._activeItem;
+		},
+
+		/**
+		 * Switch the currently selected item, mark it as selected and
+		 * make the content container visible, if any.
+		 *
+		 * @param string itemId id of the navigation item to select
+		 * @param array options "silent" to not trigger event
+		 */
+		setActiveItem: function(itemId, options) {
+			var oldItemId = this._activeItem;
+			if (itemId === this._activeItem) {
+				if (!options || !options.silent) {
+					this.$el.trigger(
+						new $.Event('itemChanged', {itemId: itemId, previousItemId: oldItemId})
+					);
+				}
+				return;
+			}
+			this.$el.find('li').removeClass('selected');
+			if (this.$currentContent) {
+				this.$currentContent.addClass('hidden');
+				this.$currentContent.trigger(jQuery.Event('hide'));
+			}
+			this._activeItem = itemId;
+			this.$el.find('li[data-id=' + itemId + ']').addClass('selected');
+			this.$currentContent = $('#app-content-' + itemId);
+			this.$currentContent.removeClass('hidden');
+			if (!options || !options.silent) {
+				this.$currentContent.trigger(jQuery.Event('show'));
+				this.$el.trigger(
+					new $.Event('itemChanged', {itemId: itemId, previousItemId: oldItemId})
+				);
+			}
+		},
+
+		/**
+		 * Returns whether a given item exists
+		 */
+		itemExists: function(itemId) {
+			return this.$el.find('li[data-id=' + itemId + ']').length;
+		},
+
+		/**
+		 * Event handler for when clicking on an item.
+		 */
+		_onClickItem: function(ev) {
+			var $target = $(ev.target);
+			var itemId = $target.closest('li').attr('data-id');
+			this.setActiveItem(itemId);
+			return false;
+		}
+	};
+
+	OCA.Files.Navigation = Navigation;
+
+})();