340 lines
8.9 KiB
JavaScript
340 lines
8.9 KiB
JavaScript
/*
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* @Copyright 2014 Vincent Petry <pvince81@owncloud.com>
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*
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* @author Vincent Petry
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* @author Felix Nüsse <felix.nuesse@t-online.de>
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*
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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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* Key for the quick-acces-list
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*/
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$quickAccessListKey: 'sublist-favorites',
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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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this.setInitialQuickaccessSettings();
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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.$el.on('click', 'li a', _.bind(this._onClickItem, this));
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this.$el.on('click', 'li button', _.bind(this._onClickMenuButton, this));
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var trashBinElement = $('.nav-trashbin');
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trashBinElement.droppable({
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over: function (event, ui) {
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trashBinElement.addClass('dropzone-background');
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},
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out: function (event, ui) {
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trashBinElement.removeClass('dropzone-background');
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},
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activate: function (event, ui) {
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var element = trashBinElement.find('a').first();
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element.addClass('nav-icon-trashbin-starred').removeClass('nav-icon-trashbin');
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},
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deactivate: function (event, ui) {
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var element = trashBinElement.find('a').first();
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element.addClass('nav-icon-trashbin').removeClass('nav-icon-trashbin-starred');
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},
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drop: function (event, ui) {
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trashBinElement.removeClass('dropzone-background');
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var $selectedFiles = $(ui.draggable);
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// FIXME: when there are a lot of selected files the helper
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// contains only a subset of them; the list of selected
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// files should be gotten from the file list instead to
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// ensure that all of them are removed.
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var item = ui.helper.find('tr');
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for (var i = 0; i < item.length; i++) {
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$selectedFiles.trigger('droppedOnTrash', item[i].getAttribute('data-file'), item[i].getAttribute('data-dir'));
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}
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}
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});
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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.$currentContent;
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},
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/**
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* Returns the currently active item
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*
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* @return item ID
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*/
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getActiveItem: function () {
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return this._activeItem;
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},
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/**
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* Switch the currently selected item, mark it as selected and
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* make the content container visible, if any.
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*
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* @param string itemId id of the navigation item to select
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* @param array options "silent" to not trigger event
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*/
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setActiveItem: function (itemId, options) {
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var currentItem = this.$el.find('li[data-id="' + itemId + '"]');
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var itemDir = currentItem.data('dir');
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var itemView = currentItem.data('view');
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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 $.Event('itemChanged', {
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itemId: itemId,
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previousItemId: oldItemId,
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dir: itemDir,
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view: itemView
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})
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);
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}
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return;
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}
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this.$el.find('li a').removeClass('active');
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if (this.$currentContent) {
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this.$currentContent.addClass('hidden');
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this.$currentContent.trigger(jQuery.Event('hide'));
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}
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this._activeItem = itemId;
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currentItem.children('a').addClass('active');
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this.$currentContent = $('#app-content-' + (typeof itemView === 'string' && itemView !== '' ? itemView : itemId));
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this.$currentContent.removeClass('hidden');
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if (!options || !options.silent) {
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this.$currentContent.trigger(jQuery.Event('show', {
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itemId: itemId,
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previousItemId: oldItemId,
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dir: itemDir,
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view: itemView
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}));
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this.$el.trigger(
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new $.Event('itemChanged', {
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itemId: itemId,
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previousItemId: oldItemId,
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dir: itemDir,
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view: itemView
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})
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);
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}
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},
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/**
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* Returns whether a given item exists
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*/
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itemExists: function (itemId) {
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return this.$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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* Event handler for clicking a button
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*/
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_onClickMenuButton: function (ev) {
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var $target = $(ev.target);
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var $menu = $target.parent('li');
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var itemId = $target.closest('button').attr('id');
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var collapsibleToggles = [];
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var dotmenuToggles = [];
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if ($menu.hasClass('collapsible') && $menu.data('expandedstate')) {
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$menu.toggleClass('open');
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var show = $menu.hasClass('open') ? 1 : 0;
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var key = $menu.data('expandedstate');
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$.post(OC.generateUrl("/apps/files/api/v1/toggleShowFolder/" + key), {show: show});
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}
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dotmenuToggles.forEach(function foundToggle (item) {
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if (item[0] === ("#" + itemId)) {
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document.getElementById(item[1]).classList.toggle('open');
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}
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});
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ev.preventDefault();
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},
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/**
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* Sort initially as setup of sidebar for QuickAccess
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*/
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setInitialQuickaccessSettings: function () {
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var quickAccessKey = this.$quickAccessListKey;
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var quickAccessMenu = document.getElementById(quickAccessKey);
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if (quickAccessMenu) {
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var list = quickAccessMenu.getElementsByTagName('li');
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this.QuickSort(list, 0, list.length - 1);
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}
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var favoritesListElement = $(quickAccessMenu).parent();
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favoritesListElement.droppable({
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over: function (event, ui) {
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favoritesListElement.addClass('dropzone-background');
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},
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out: function (event, ui) {
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favoritesListElement.removeClass('dropzone-background');
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},
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activate: function (event, ui) {
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var element = favoritesListElement.find('a').first();
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element.addClass('nav-icon-favorites-starred').removeClass('nav-icon-favorites');
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},
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deactivate: function (event, ui) {
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var element = favoritesListElement.find('a').first();
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element.addClass('nav-icon-favorites').removeClass('nav-icon-favorites-starred');
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},
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drop: function (event, ui) {
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favoritesListElement.removeClass('dropzone-background');
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var $selectedFiles = $(ui.draggable);
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if (ui.helper.find('tr').size() === 1) {
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var $tr = $selectedFiles.closest('tr');
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if ($tr.attr("data-favorite")) {
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return;
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}
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$selectedFiles.trigger('droppedOnFavorites', $tr.attr('data-file'));
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} else {
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// FIXME: besides the issue described for dropping on
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// the trash bin, for favoriting it is not possible to
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// use the data from the helper; due to some bugs the
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// tags are not always added to the selected files, and
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// thus that data can not be accessed through the helper
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// to prevent triggering the favorite action on an
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// already favorited file (which would remove it from
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// favorites).
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OC.Notification.showTemporary(t('files', 'You can only favorite a single file or folder at a time'));
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}
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}
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});
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},
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/**
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* Sorting-Algorithm for QuickAccess
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*/
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QuickSort: function (list, start, end) {
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var lastMatch;
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if (list.length > 1) {
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lastMatch = this.quicksort_helper(list, start, end);
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if (start < lastMatch - 1) {
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this.QuickSort(list, start, lastMatch - 1);
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}
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if (lastMatch < end) {
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this.QuickSort(list, lastMatch, end);
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}
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}
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},
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/**
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* Sorting-Algorithm-Helper for QuickAccess
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*/
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quicksort_helper: function (list, start, end) {
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var pivot = Math.floor((end + start) / 2);
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var pivotElement = this.getCompareValue(list, pivot);
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var i = start;
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var j = end;
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while (i <= j) {
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while (this.getCompareValue(list, i) < pivotElement) {
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i++;
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}
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while (this.getCompareValue(list, j) > pivotElement) {
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j--;
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}
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if (i <= j) {
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this.swap(list, i, j);
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i++;
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j--;
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}
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}
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return i;
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},
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/**
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* Sorting-Algorithm-Helper for QuickAccess
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* This method allows easy access to the element which is sorted by.
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*/
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getCompareValue: function (nodes, int, strategy) {
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return nodes[int].getElementsByTagName('a')[0].innerHTML.toLowerCase();
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},
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/**
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* Sorting-Algorithm-Helper for QuickAccess
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* This method allows easy swapping of elements.
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*/
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swap: function (list, j, i) {
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var before = function(node, insertNode) {
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node.parentNode.insertBefore(insertNode, node);
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}
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before(list[i], list[j]);
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before(list[j], list[i]);
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}
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};
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OCA.Files.Navigation = Navigation;
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})();
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