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/**

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* @class elFinder command "copy".

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* Put files in filemanager clipboard.

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* @type elFinder.command

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* @author Dmitry (dio) Levashov

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

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"use strict";

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this.shortcuts = [{

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pattern : 'ctrl+c ctrl+insert'

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}];

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this.getstate = function(select) {

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var sel = this.files(select),

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cnt = sel.length,

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filter = function(files) {

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var fres = true;

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return jQuery.grep(files, function(f) {

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fres = fres && f.read ? true : false;

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return fres;

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});

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};

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return cnt && filter(sel).length == cnt ? 0 : -1;

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};

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this.exec = function(hashes) {

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var fm = this.fm,

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dfrd = jQuery.Deferred()

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.fail(function(error) {

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fm.error(error);

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});

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jQuery.each(this.files(hashes), function(i, file) {

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if (! file.read) {

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return !dfrd.reject(['errCopy', file.name, 'errPerm']);

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}

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});

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return dfrd.state() == 'rejected' ? dfrd : dfrd.resolve(fm.clipboard(this.hashes(hashes)));

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};

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};

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