Edit File by line

/**

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* @class elFinder command "open"

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* Enter folder or open files in new windows

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* @author Dmitry (dio) Levashov

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**/

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

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"use strict";

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var fm = this.fm,

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self = this;

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this.alwaysEnabled = true;

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this.noChangeDirOnRemovedCwd = true;

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this._handlers = {

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dblclick : function(e) {

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var arg = e.data && e.data.file? [ e.data.file ]: void(0);

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if (self.getstate(arg) === 0) {

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e.preventDefault();

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fm.exec('open', arg);

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}

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'select enable disable reload' : function(e) { this.update(e.type == 'disable' ? -1 : void(0)); }

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};

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this.shortcuts = [{

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pattern : 'ctrl+down numpad_enter'+(fm.OS != 'mac' && ' enter')

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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(file) {

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

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return fres;

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});

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};

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return cnt == 1

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? (sel[0].read ? 0 : -1)

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: (cnt && !fm.UA.Mobile) ? (jQuery.grep(sel, function(file) { return file.mime == 'directory' || ! file.read ? false : true;}).length == cnt ? 0 : -1) : -1;

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};

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this.exec = function(hashes, cOpts) {

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var dfrd = jQuery.Deferred().fail(function(error) { error && fm.error(error); }),

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files = this.files(hashes),

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cnt = files.length,

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thash = (typeof cOpts == 'object')? cOpts.thash : false,

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opts = this.options,

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into = opts.into || 'window',

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file, url, s, w, imgW, imgH, winW, winH, reg, link, html5dl, inline,

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selAct, cmd;

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if (!cnt && !thash) {

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{

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return dfrd.reject();

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}

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}

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// open folder

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if (thash || (cnt == 1 && (file = files[0]) && file.mime == 'directory')) {

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if (!thash && file && !file.read) {

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

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} else {

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if (fm.keyState.ctrlKey && (fm.keyState.shiftKey || typeof fm.options.getFileCallback !== 'function')) {

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if (fm.getCommand('opennew')) {

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return fm.exec('opennew', [thash? thash : file.hash]);

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}

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}

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return fm.request({

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data : {cmd : 'open', target : thash || file.hash},

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

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syncOnFail : true,

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lazy : false

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});

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}

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}

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files = jQuery.grep(files, function(file) { return file.mime != 'directory' ? true : false; });

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// nothing to open or files and folders selected - do nothing

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if (cnt != files.length) {

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return dfrd.reject();

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}

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var doOpen = function() {

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var openCB = function(url) {

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var link = jQuery('<a rel="noopener">').hide().appendTo(jQuery('body'));

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if (fm.UA.Mobile || !inline) {

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if (html5dl) {

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if (!inline) {

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link.attr('download', file.name);

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} else {

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link.attr('target', '_blank');

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}

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link.attr('href', url).get(0).click();

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} else {

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wnd = window.open(url);

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if (!wnd) {

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return dfrd.reject('errPopup');

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}

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}

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} else {

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getOnly = (typeof opts.method === 'string' && opts.method.toLowerCase() === 'get');

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if (!getOnly

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&& url.indexOf(fm.options.url) === 0

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&& fm.customData

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&& Object.keys(fm.customData).length

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// Since playback by POST request can not be done in Chrome, media allows GET request

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&& !file.mime.match(/^(?:video|audio)/)

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) {

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// Send request as 'POST' method to hide custom data at location bar

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url = '';

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}

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if (into === 'window') {

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// set window size for image if set

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imgW = winW = Math.round(2 * screen.availWidth / 3);

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imgH = winH = Math.round(2 * screen.availHeight / 3);

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

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imgW = parseInt(file.width);

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imgH = parseInt(file.height);

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} else if (file.dim) {

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

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imgW = parseInt(s[0]);

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imgH = parseInt(s[1]);

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}

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if (winW >= imgW && winH >= imgH) {

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winW = imgW;

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winH = imgH;

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} else {

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if ((imgW - winW) > (imgH - winH)) {

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winH = Math.round(imgH * (winW / imgW));

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} else {

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winW = Math.round(imgW * (winH / imgH));

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}

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}

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w = 'width='+winW+',height='+winH;

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wnd = window.open(url, target, w + ',top=50,left=50,scrollbars=yes,resizable=yes,titlebar=no');

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} else {

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if (into === 'tabs') {

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target = file.hash;

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}

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wnd = window.open('about:blank', target);

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}

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if (!wnd) {

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return dfrd.reject('errPopup');

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}

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if (url === '') {

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var form = document.createElement("form");

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form.action = fm.options.url;

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form.method = 'POST';

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form.target = target;

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form.style.display = 'none';

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var params = Object.assign({}, fm.customData, {

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cmd: 'file',

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target: file.hash,

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_t: file.ts || parseInt(+new Date()/1000)

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});

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jQuery.each(params, function(key, val)

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{

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var input = document.createElement("input");

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input.name = key;

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input.value = val;

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form.appendChild(input);

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});

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document.body.appendChild(form);

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form.submit();

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} else if (into !== 'window') {

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wnd.location = url;

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}

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jQuery(wnd).trigger('focus');

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}

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link.remove();

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wnd, target, getOnly;

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try {

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reg = new RegExp(fm.option('dispInlineRegex'), 'i');

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} catch(e) {

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reg = false;

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}

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// open files

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html5dl = (typeof jQuery('<a>').get(0).download === 'string');

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cnt = files.length;

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while (cnt--) {

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target = 'elf_open_window';

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file = files[cnt];

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if (!file.read) {

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

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}

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inline = (reg && file.mime.match(reg));

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fm.openUrl(file.hash, !inline, openCB);

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}

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return dfrd.resolve(hashes);

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};

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if (cnt > 1) {

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fm.confirm({

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title: 'openMulti',

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text : ['openMultiConfirm', cnt + ''],

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accept : {

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label : 'cmdopen',

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callback : function() { doOpen(); }

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cancel : {

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label : 'btnCancel',

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callback : function() {

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dfrd.reject();

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}

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buttons : (fm.getCommand('zipdl') && fm.isCommandEnabled('zipdl', fm.cwd().hash))? [

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{

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label : 'cmddownload',

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callback : function() {

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fm.exec('download', hashes);

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dfrd.reject();

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}

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}

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] : []

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});

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} else {

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selAct = fm.storage('selectAction') || opts.selectAction;

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if (selAct) {

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jQuery.each(selAct.split('/'), function() {

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var cmdName = this.valueOf();

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if (cmdName !== 'open' && (cmd = fm.getCommand(cmdName)) && cmd.enabled()) {

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return false;

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}

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cmd = null;

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});

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if (cmd) {

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return fm.exec(cmd.name);

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}

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}

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doOpen();

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}

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return dfrd;

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};

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

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