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/**

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* @class elFinder command "up"

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* Go into parent directory

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* @author Dmitry (dio) Levashov

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**/

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(elFinder.prototype.commands.up = function() {

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"use strict";

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this.alwaysEnabled = true;

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this.updateOnSelect = false;

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this.shortcuts = [{

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pattern : 'ctrl+up'

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}];

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this.getstate = function() {

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return this.fm.cwd().phash ? 0 : -1;

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};

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this.exec = function() {

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var fm = this.fm,

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cwdhash = fm.cwd().hash;

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return this.fm.cwd().phash ? this.fm.exec('open', this.fm.cwd().phash).done(function() {

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

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fm.selectfiles({files : [cwdhash]});

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});

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}) : jQuery.Deferred().reject();

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};

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}).prototype = { forceLoad : true }; // this is required command

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