/**

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* @class elFinder command "duplicate"

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* Create file/folder copy with suffix "copy Number"

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*

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* @type elFinder.command

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* @author Dmitry (dio) Levashov

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*/

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

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"use strict";

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var fm = this.fm;

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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 $.grep(files, function(f) {

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fres = fres && f.read && f.phash === fm.cwd().hash && ! fm.isRoot(f)? true : false;

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return fres;

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});

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};

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return cnt && fm.cwd().write && 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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files = this.files(hashes),

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cnt = files.length,

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dfrd = $.Deferred()

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.fail(function(error) {

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error && fm.error(error);

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}),

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args = [];

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if (! cnt) {

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return dfrd.reject();

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}

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$.each(files, function(i, file) {

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if (!file.read || !fm.file(file.phash).write) {

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

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}

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});

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if (dfrd.state() == 'rejected') {

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return dfrd;

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}

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return fm.request({

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data : {cmd : 'duplicate', targets : this.hashes(hashes)},

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notify : {type : 'copy', cnt : cnt},

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navigate : {

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toast : {

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inbuffer : {msg: fm.i18n(['complete', fm.i18n('cmdduplicate')])}

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}

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}

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});

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};

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};

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