/**

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* @class elFinder - file manager for web

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*

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* @author Dmitry (dio) Levashov

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**/

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var elFinder = function(elm, opts, bootCallback) {

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"use strict";

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//this.time('load');

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var self = this,

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/**

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* Objects array of jQuery.Deferred that calls before elFinder boot up

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*

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* @type Array

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*/

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dfrdsBeforeBootup = [],

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/**

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* Plugin name to check for conflicts with bootstrap etc

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*

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* @type Array

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**/

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conflictChecks = ['button', 'tooltip'],

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/**

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* Node on which elfinder creating

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*

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* @type jQuery

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**/

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node = $(elm),

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/**

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* Object of events originally registered in this node

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*

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* @type Object

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*/

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prevEvents = $.extend(true, {}, $._data(node.get(0), 'events')),

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/**

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* Store node contents.

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*

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* @see this.destroy

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* @type jQuery

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**/

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prevContent = $('<div></div>').append(node.contents()).attr('class', node.attr('class') || '').attr('style', node.attr('style') || ''),

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/**

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* Instance ID. Required to get/set cookie

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*

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* @type String

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**/

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id = node.attr('id') || node.attr('id', 'elfauto' + $('.elfinder').length).attr('id'),

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/**

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* Events namespace

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*

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* @type String

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**/

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namespace = 'elfinder-' + id,

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/**

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* Mousedown event

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*

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* @type String

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**/

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mousedown = 'mousedown.'+namespace,

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/**

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* Keydown event

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*

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* @type String

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**/

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keydown = 'keydown.'+namespace,

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/**

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* Keypress event

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*

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* @type String

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**/

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keypress = 'keypress.'+namespace,

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/**

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* Keypup event

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*

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* @type String

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**/

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keyup = 'keyup.'+namespace,

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/**

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* Is shortcuts/commands enabled

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*

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* @type Boolean

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**/

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enabled = false,

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/**

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* Store enabled value before ajax request

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*

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* @type Boolean

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**/

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prevEnabled = false,

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/**

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* List of build-in events which mapped into methods with same names

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*

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* @type Array

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**/

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events = ['enable', 'disable', 'load', 'open', 'reload', 'select', 'add', 'remove', 'change', 'dblclick', 'getfile', 'lockfiles', 'unlockfiles', 'selectfiles', 'unselectfiles', 'dragstart', 'dragstop', 'search', 'searchend', 'viewchange'],

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/**

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* Rules to validate data from backend

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*

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* @type Object

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**/

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rules = {},

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/**

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* Current working directory hash

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*

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* @type String

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**/

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cwd = '',

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/**

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* Current working directory options default

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*

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* @type Object

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**/

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cwdOptionsDefault = {

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path : '',

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url : '',

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tmbUrl : '',

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disabled : [],

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separator : '/',

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archives : [],

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extract : [],

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copyOverwrite : true,

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uploadOverwrite : true,

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uploadMaxSize : 0,

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jpgQuality : 100,

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tmbCrop : false,

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tmbReqCustomData : false,

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tmb : false // old API

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},

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/**

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* Current working directory options

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*

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* @type Object

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**/

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cwdOptions = {},

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/**

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* Files/dirs cache

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*

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* @type Object

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**/

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files = {},

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/**

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* Hidden Files/dirs cache

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*

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* @type Object

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**/

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hiddenFiles = {},

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/**

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* Files/dirs hash cache of each dirs

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*

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* @type Object

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**/

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ownFiles = {},

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/**

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* Selected files hashes

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*

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* @type Array

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**/

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selected = [],

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/**

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* Events listeners

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*

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* @type Object

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**/

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listeners = {},

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/**

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* Shortcuts

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*

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* @type Object

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**/

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shortcuts = {},

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/**

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* Buffer for copied files

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*

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* @type Array

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**/

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clipboard = [],

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/**

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* Copied/cuted files hashes

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* Prevent from remove its from cache.

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* Required for dispaly correct files names in error messages

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*

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* @type Object

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**/

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remember = {},

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/**

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* Queue for 'open' requests

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*

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* @type Array

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**/

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queue = [],

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/**

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* Queue for only cwd requests e.g. `tmb`

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*

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* @type Array

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**/

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cwdQueue = [],

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/**

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* Commands prototype

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*

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* @type Object

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**/

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base = new self.command(self),

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/**

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* elFinder node width

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*

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* @type String

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* @default "auto"

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**/

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width = 'auto',

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/**

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* elFinder node height

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* Number: pixcel or String: Number + "%"

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*

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* @type Number | String

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* @default 400

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**/

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height = 400,

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/**

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* Base node object or selector

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* Element which is the reference of the height percentage

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*

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* @type Object|String

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* @default null | $(window) (if height is percentage)

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**/

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heightBase = null,

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/**

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* MIME type list(Associative array) handled as a text file

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*

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* @type Object|null

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*/

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textMimes = null,

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/**

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* elfinder path for sound played on remove

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* @type String

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* @default ./sounds/

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**/

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soundPath = 'sounds/',

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/**

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* JSON.stringify of previous fm.sorters

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* @type String

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*/

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prevSorterStr = '',

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/**

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* Map table of file extention to MIME-Type

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* @type Object

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*/

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extToMimeTable,

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/**

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* Disabled page unload function

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* @type Boolean

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*/

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diableUnloadCheck = false,

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beeper = $(document.createElement('audio')).hide().appendTo('body')[0],

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syncInterval,

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autoSyncStop = 0,

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uiCmdMapPrev = '',

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gcJobRes = null,

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open = function(data) {

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// NOTES: Do not touch data object

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var volumeid, contextmenu, emptyDirs = {}, stayDirs = {},

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rmClass, hashes, calc, gc, collapsed, prevcwd, sorterStr, diff;

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if (self.api >= 2.1) {

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// support volume driver option `uiCmdMap`

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self.commandMap = (data.options.uiCmdMap && Object.keys(data.options.uiCmdMap).length)? data.options.uiCmdMap : {};

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if (uiCmdMapPrev !== JSON.stringify(self.commandMap)) {

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uiCmdMapPrev = JSON.stringify(self.commandMap);

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}

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} else {

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self.options.sync = 0;

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}

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if (data.init) {

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// init - reset cache

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files = {};

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ownFiles = {};

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} else {

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// remove only files from prev cwd

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// and collapsed directory (included 100+ directories) to empty for perfomance tune in DnD

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prevcwd = cwd;

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rmClass = 'elfinder-subtree-loaded ' + self.res('class', 'navexpand');

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collapsed = self.res('class', 'navcollapse');

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hashes = Object.keys(files);

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calc = function(i) {

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if (!files[i]) {

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return true;

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}

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var isDir = (files[i].mime === 'directory'),

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phash = files[i].phash,

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pnav;

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if (

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(!isDir

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|| emptyDirs[phash]

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|| (!stayDirs[phash]

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&& self.navHash2Elm(files[i].hash).is(':hidden')

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&& self.navHash2Elm(phash).next('.elfinder-navbar-subtree').children().length > 100

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)

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)

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&& (isDir || phash !== cwd)

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&& ! remember[i]

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) {

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if (isDir && !emptyDirs[phash]) {

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emptyDirs[phash] = true;

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self.navHash2Elm(phash)

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.removeClass(rmClass)

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.next('.elfinder-navbar-subtree').empty();

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}

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deleteCache(files[i]);

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} else if (isDir) {

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stayDirs[phash] = true;

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}

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};

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gc = function() {

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if (hashes.length) {

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gcJobRes && gcJobRes._abort();

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gcJobRes = self.asyncJob(calc, hashes, {

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interval : 20,

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numPerOnce : 100

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}).done(function() {

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var hd = self.storage('hide') || {items: {}};

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if (Object.keys(hiddenFiles).length) {

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$.each(hiddenFiles, function(h) {

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if (!hd.items[h]) {

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delete hiddenFiles[h];

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}

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});

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}

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});

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}

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};

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self.trigger('filesgc').one('filesgc', function() {

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hashes = [];

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});

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self.one('opendone', function() {

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if (prevcwd !== cwd) {

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if (! node.data('lazycnt')) {

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gc();

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} else {

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self.one('lazydone', gc);

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}

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}

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});

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}

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self.sorters = {};

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cwd = data.cwd.hash;

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cache(data.files);

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if (!files[cwd]) {

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cache([data.cwd]);

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} else {

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diff = self.diff([data.cwd], true);

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if (diff.changed.length) {

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cache(diff.changed, 'change');

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self.change({changed: diff.changed});

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}

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}

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data.changed && data.changed.length && cache(data.changed, 'change');

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// trigger event 'sorterupdate'

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sorterStr = JSON.stringify(self.sorters);

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if (prevSorterStr !== sorterStr) {

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self.trigger('sorterupdate');

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prevSorterStr = sorterStr;

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}

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self.lastDir(cwd);

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self.autoSync();

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},

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/**

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* Store info about files/dirs in "files" object.

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*

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* @param Array files

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* @param String data type

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* @return void

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**/

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cache = function(data, type) {

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var type = type || 'files',

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keeps = ['sizeInfo', 'encoding'],

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defsorter = { name: true, perm: true, date: true, size: true, kind: true },

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sorterChk = !self.sorters._checked && (type === 'files'),

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l = data.length,

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setSorter = function(file) {

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var f = file || {},

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sorters = [];

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$.each(self.sortRules, function(key) {

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if (defsorter[key] || typeof f[key] !== 'undefined' || (key === 'mode' && typeof f.perm !== 'undefined')) {

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sorters.push(key);

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}

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});

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self.sorters = self.arrayFlip(sorters, true);

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self.sorters._checked = true;

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},

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changedParents = {},

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hideData = self.storage('hide') || {},

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hides = hideData.items || {},

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f, i, i1, keepProp, parents, hidden;

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for (i = 0; i < l; i++) {

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f = Object.assign({}, data[i]);

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hidden = (!hideData.show && hides[f.hash])? true : false;

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if (f.name && f.hash && f.mime) {

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if (!hidden) {

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if (sorterChk && f.phash === cwd) {

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setSorter(f);

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sorterChk = false;

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}

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if (f.phash && (type === 'add' || (type === 'change' && (!files[f.hash] || f.size !== files[f.hash])))) {

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if (parents = self.parents(f.phash)) {

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$.each(parents, function() {

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changedParents[this] = true;

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});

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}

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}

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}

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if (files[f.hash]) {

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for (i1 =0; i1 < keeps.length; i1++) {

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if(files[f.hash][keeps[i1]] && ! f[keeps[i1]]) {

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f[keeps[i1]] = files[f.hash][keeps[i1]];

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}

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}

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if (f.sizeInfo && !f.size) {

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f.size = f.sizeInfo.size;

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}

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deleteCache(files[f.hash], true);

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}

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if (hides[f.hash]) {

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hiddenFiles[f.hash] = f;

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}

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if (hidden) {

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l--;

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data.splice(i--, 1);

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} else {

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files[f.hash] = f;

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if (f.mime === 'directory' && !ownFiles[f.hash]) {

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ownFiles[f.hash] = {};

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}

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if (f.phash) {

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if (!ownFiles[f.phash]) {

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ownFiles[f.phash] = {};

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}

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ownFiles[f.phash][f.hash] = true;

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}

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}

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}

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}

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// delete sizeInfo cache

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$.each(Object.keys(changedParents), function() {

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var target = files[this];

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if (target && target.sizeInfo) {

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delete target.sizeInfo;

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