server/apps/files/js/navigation.js
fnuesse 60e6ac3b6e
Fixed css-flashing
Signed-off-by: fnuesse <felix.nuesse@t-online.de>

Fixed menu if initially empty

Signed-off-by: fnuesse <felix.nuesse@t-online.de>
2018-07-12 16:49:38 +02:00

348 lines
9 KiB
JavaScript

/*
* Copyright (c) 2014
*
* @author Vincent Petry
* @copyright 2014 Vincent Petry <pvince81@owncloud.com>
*
* Edited by: Felix Nüsse <felix.nuesse@t-online.de> 2018
*
* This file is licensed under the Affero General Public License version 3
* or later.
*
* See the COPYING-README file.
*
*/
(function() {
/**
* @class OCA.Files.Navigation
* @classdesc Navigation control for the files app sidebar.
*
* @param $el element containing the navigation
*/
var Navigation = function($el) {
this.initialize($el);
};
/**
* @memberof OCA.Files
*/
Navigation.prototype = {
/**
* Currently selected item in the list
*/
_activeItem: null,
/**
* Currently selected container
*/
$currentContent: null,
/**
* Strategy by which the quickaccesslist is sorted
*/
$sortingStrategy: 'alphabet',
/**
* Initializes the navigation from the given container
*
* @private
* @param $el element containing the navigation
*/
initialize: function($el) {
this.$el = $el;
this._activeItem = null;
this.$currentContent = null;
this._setupEvents();
this.initialSort();
},
/**
* Setup UI events
*/
_setupEvents: function() {
this.$el.on('click', 'li a', _.bind(this._onClickItem, this))
this.$el.on('click', 'li button', _.bind(this._onClickMenuButton, this));
this.$el.on('click', 'li input', _.bind(this._onClickMenuItem, this));
},
/**
* Returns the container of the currently active app.
*
* @return app container
*/
getActiveContainer: function() {
return this.$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('active');
if (this.$currentContent) {
this.$currentContent.addClass('hidden');
this.$currentContent.trigger(jQuery.Event('hide'));
}
this._activeItem = itemId;
this.$el.find('li[data-id=' + itemId + ']').addClass('active');
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');
if (!_.isUndefined(itemId)) {
this.setActiveItem(itemId);
}
ev.preventDefault();
},
/**
* Event handler for when clicking on an three-dot-menu.
*/
_onClickMenuButton: function(ev) {
var $target = $(ev.target);
var itemId = $target.closest('button').attr('id');
var qaSelector= '#quickaccess-list';
if(itemId==='button-collapseQuickAccess'){
document.getElementById('enableQuickAccess').checked=!document.getElementById('enableQuickAccess').checked;
$.get(OC.generateUrl("/apps/files/api/v1/showquickaccess"), {show: document.getElementById('enableQuickAccess').checked}, function(data, status){
});
if(!$("#favorites-toggle" ).hasClass('open')){
$("#favorites-toggle" ).addClass('open');
}else{
$("#favorites-toggle" ).removeClass('open');
}
}
if(itemId==='button-favorites'){
document.getElementById('menu-favorites').classList.toggle('open');
}
ev.preventDefault();
},
/**
* Event handler for when clicking on a menuitem.
*/
_onClickMenuItem: function(ev) {
var qaSelector= '#quickaccess-list';
var qaKey= 'quickaccess-list';
var itemId = $(ev.target).closest('input').attr('id');
var list = document.getElementById(qaKey).getElementsByTagName('li');
if(itemId==='enableQuickAccess' ){
$.get(OC.generateUrl("/apps/files/api/v1/showquickaccess"), {show: document.getElementById('enableQuickAccess').checked}, function(data, status){
});
if(!$("#favorites-toggle" ).hasClass('open')){
$("#favorites-toggle" ).addClass('open');
}else{
$("#favorites-toggle" ).removeClass('open');
}
document.getElementById('menu-favorites').classList.toggle('open');
}
if(itemId==='sortByAlphabet'){
//Prevents deselecting Group-Item
if(!document.getElementById('sortByAlphabet').checked){
ev.preventDefault();
return;
}
this.sortingStrategy='alphabet';
document.getElementById('sortByDate').checked=false;
$.get(OC.generateUrl("/apps/files/api/v1/setsortingstrategy"), {strategy: this.sortingStrategy}, function(data, status){});
this.QuickSort(list, 0, list.length - 1);
document.getElementById('menu-favorites').classList.toggle('open');
}
if(itemId==='sortByDate'){
//Prevents deselecting Group-Item
if(!document.getElementById('sortByDate').checked){
ev.preventDefault();
return;
}
this.sortingStrategy='date';
document.getElementById('sortByAlphabet').checked=false;
$.get(OC.generateUrl("/apps/files/api/v1/setsortingstrategy"), {strategy: this.sortingStrategy}, function(data, status){});
this.QuickSort(list, 0, list.length - 1);
document.getElementById('menu-favorites').classList.toggle('open');
}
if(itemId==='enableReverse'){
this.reverse(list);
var state = document.getElementById('enableReverse').checked;
$.get(OC.generateUrl("/apps/files/api/v1/setreversequickaccess"), {reverse: state}, function(data, status){});
document.getElementById('menu-favorites').classList.toggle('open');
}
//ev.preventDefault();
},
/**
* Sort initially as setup of sidebar for QuickAccess
*/
initialSort: function() {
var domRevState=document.getElementById('enableReverse').checked;
var domSortAlphabetState=document.getElementById('sortByAlphabet').checked;
var domSortDateState=document.getElementById('sortByDate').checked;
var qaKey= 'quickaccess-list';
var list = document.getElementById(qaKey).getElementsByTagName('li');
if(domSortAlphabetState){
this.sortingStrategy='alphabet';
}
if(domSortDateState){
this.sortingStrategy='date';
}
this.QuickSort(list, 0, list.length - 1);
if(domRevState){
this.reverse(list);
}
/*This creates flashes the UI, which is bad userexperience. It is the cleaner way to do it, that is why i haven't deleted it yet.
var scope=this;
$.get(OC.generateUrl("/apps/files/api/v1/getsortingstrategy"), function(data, status){
scope.sortingStrategy=data;
scope.QuickSort(list, 0, list.length - 1);
});
$.get(OC.generateUrl("/apps/files/api/v1/getreversequickaccess"), function(data, status){
if(data){
scope.reverse(list);
}
});
*/
},
/**
* Sorting-Algorithm for QuickAccess
*/
QuickSort: function(list, start, end) {
var lastmatch;
if(list.length > 1){
lastmatch = this.quicksort_helper(list, start, end);
if(start < lastmatch - 1){
this.QuickSort(list, start, lastmatch - 1);
}
if(lastmatch < end){
this.QuickSort(list, lastmatch, end);
}
}
},
/**
* Sorting-Algorithm-Helper for QuickAccess
*/
quicksort_helper: function(list, start, end) {
var pivot = Math.floor((end + start) / 2);
var pivotelem = this.getCompareValue(list,pivot);
var i = start;
var j = end;
while(i <= j){
while(this.getCompareValue(list,i) < pivotelem){
i++;
}
while(this.getCompareValue(list,j) > pivotelem){
j--;
}
if(i <= j){
this.swap(list, i, j);
i++;
j--;
}
}
return i;
},
/**
* Sorting-Algorithm-Helper for QuickAccess
* This method allows easy access to the element which is sorted by.
*/
getCompareValue: function(nodes, int){
if(this.sortingStrategy==='alphabet'){
return nodes[int].getElementsByTagName('a')[0].innerHTML.toLowerCase();
}else if(this.sortingStrategy==='date'){
return nodes[int].getAttribute('folderPos').toLowerCase();
}
return nodes[int].getElementsByTagName('a')[0].innerHTML.toLowerCase();
},
/**
* Sorting-Algorithm-Helper for QuickAccess
* This method allows easy swapping of elements.
*/
swap: function(list, j, i){
list[i].before(list[j]);
list[j].before(list[i]);
},
/**
* Reverse QuickAccess-List
*/
reverse: function(list){
var len=list.length-1;
for(var i = 0; i < len/2; i++) {
this.swap(list, i, len-i);
}
}
};
OCA.Files.Navigation = Navigation;
})();