/**

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* @class elFinder command "getfile".

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* Return selected files info into outer callback.

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* For use elFinder with wysiwyg editors etc.

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*

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* @author Dmitry (dio) Levashov, dio@std42.ru

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**/

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

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"use strict";

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var self = this,

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fm = this.fm,

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filter = function(files) {

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var o = self.options,

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fres = true;

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files = $.grep(files, function(file) {

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fres = fres && (file.mime != 'directory' || o.folders) && file.read ? true : false;

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return fres;

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});

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return o.multiple || files.length == 1 ? files : [];

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};

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this.alwaysEnabled = true;

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this.callback = fm.options.getFileCallback;

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this._disabled = typeof(this.callback) == 'function';

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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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return this.callback && 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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opts = this.options,

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files = this.files(hashes),

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cnt = files.length,

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url = fm.option('url'),

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tmb = fm.option('tmbUrl'),

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dfrd = $.Deferred()

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.done(function(data) {

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var res,

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done = function() {

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if (opts.oncomplete == 'close') {

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fm.hide();

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} else if (opts.oncomplete == 'destroy') {

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fm.destroy();

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}

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},

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fail = function(error) {

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if (opts.onerror == 'close') {

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fm.hide();

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} else if (opts.onerror == 'destroy') {

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fm.destroy();

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} else {

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error && fm.error(error);

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}

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};

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fm.trigger('getfile', {files : data});

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try {

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res = self.callback(data, fm);

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} catch(e) {

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fail(['Error in `getFileCallback`.', e.message]);

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return;

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}

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if (typeof res === 'object' && typeof res.done === 'function') {

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res.done(done).fail(fail);

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} else {

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done();

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}

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}),

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result = function(file) {

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return opts.onlyURL

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? opts.multiple ? $.map(files, function(f) { return f.url; }) : files[0].url

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: opts.multiple ? files : files[0];

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},

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req = [],

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i, file, dim;

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

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file = files[i];

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if (file.mime == 'directory' && !opts.folders) {

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return dfrd.reject();

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}

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file.baseUrl = url;

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if (file.url == '1') {

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req.push(fm.request({

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data : {cmd : 'url', target : file.hash},

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notify : {type : 'url', cnt : 1, hideCnt : true},

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preventDefault : true

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})

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.done(function(data) {

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if (data.url) {

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var rfile = fm.file(this.hash);

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rfile.url = this.url = data.url;

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}

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}.bind(file)));

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} else {

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file.url = fm.url(file.hash);

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}

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if (! opts.onlyURL) {

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if (opts.getPath) {

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file.path = fm.path(file.hash);

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if (file.path === '' && file.phash) {

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// get parents

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(function() {

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var dfd = $.Deferred();

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req.push(dfd);

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fm.path(file.hash, false, {})

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.done(function(path) {

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file.path = path;

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})

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.fail(function() {

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file.path = '';

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})

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.always(function() {

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dfd.resolve();

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});

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})();

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}

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}

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if (file.tmb && file.tmb != 1) {

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file.tmb = tmb + file.tmb;

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}

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if (!file.width && !file.height) {

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if (file.dim) {

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dim = file.dim.split('x');

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file.width = dim[0];

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file.height = dim[1];

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} else if (opts.getImgSize && file.mime.indexOf('image') !== -1) {

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req.push(fm.request({

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data : {cmd : 'dim', target : file.hash},

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notify : {type : 'dim', cnt : 1, hideCnt : true},

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preventDefault : true

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})

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.done(function(data) {

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if (data.dim) {

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var dim = data.dim.split('x');

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var rfile = fm.file(this.hash);

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rfile.width = this.width = dim[0];

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rfile.height = this.height = dim[1];

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}

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}.bind(file)));

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}

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}

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}

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}

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if (req.length) {

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$.when.apply(null, req).always(function() {

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dfrd.resolve(result(files));

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});

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return dfrd;

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}

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return dfrd.resolve(result(files));

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};

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

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