/**

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* @class elFinder command "archive"

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* Archive selected files

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*

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* @author Dmitry (dio) Levashov

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**/

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

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"use strict";

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var self = this,

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fm = self.fm,

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mimes = [],

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dfrd;

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this.variants = [];

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this.disableOnSearch = false;

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this.nextAction = {};

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/**

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* Update mimes on open/reload

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*

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* @return void

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**/

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fm.bind('open reload', function() {

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self.variants = [];

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$.each((mimes = fm.option('archivers')['create'] || []), function(i, mime) {

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self.variants.push([mime, fm.mime2kind(mime)]);

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});

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self.change();

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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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chk = (cnt && ! fm.isRoot(sel[0]) && (fm.file(sel[0].phash) || {}).write),

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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.hash.indexOf(cwdId) === 0 ? true : false;

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return fres;

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});

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},

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cwdId;

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if (chk && fm.searchStatus.state > 1) {

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if (chk = (cnt === filter(sel).length)) {

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cwdId = fm.cwd().volumeid;

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}

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}

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return chk && !this._disabled && mimes.length && (cnt || (dfrd && dfrd.state() == 'pending')) ? 0 : -1;

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};

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this.exec = function(hashes, type) {

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var files = this.files(hashes),

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cnt = files.length,

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mime = type || mimes[0],

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cwd = fm.file(files[0].phash) || null,

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error = ['errArchive', 'errPerm', 'errCreatingTempDir', 'errFtpDownloadFile', 'errFtpUploadFile', 'errFtpMkdir', 'errArchiveExec', 'errExtractExec', 'errRm'],

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i, open;

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dfrd = $.Deferred().fail(function(error) {

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error && fm.error(error);

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});

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if (! (cnt && mimes.length && $.inArray(mime, mimes) !== -1)) {

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return dfrd.reject();

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}

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if (!cwd.write) {

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return dfrd.reject(error);

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}

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

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if (!files[i].read) {

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return dfrd.reject(error);

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}

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}

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self.mime = mime;

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self.prefix = ((cnt > 1)? 'Archive' : files[0].name) + (fm.option('archivers')['createext']? '.' + fm.option('archivers')['createext'][mime] : '');

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self.data = {targets : self.hashes(hashes), type : mime};

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if (fm.cwd().hash !== cwd.hash) {

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open = fm.exec('open', cwd.hash).done(function() {

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

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fm.selectfiles({files : hashes});

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dfrd = $.proxy(fm.res('mixin', 'make'), self)();

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});

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});

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} else {

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fm.selectfiles({files : hashes});

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dfrd = $.proxy(fm.res('mixin', 'make'), self)();

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}

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return dfrd;

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};

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};

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