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