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wp-content/plugins/file-manager-advanced/application/library/js/commands/empty.js

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+/**
+ * @class elFinder command "empty".
+ * Empty the folder
+ *
+ * @type  elFinder.command
+ * @author  Naoki Sawada
+ */
+elFinder.prototype.commands.empty = function() {
+	"use strict";
+	var self, fm,
+		selFiles = function(select) {
+			var sel = self.files(select);
+			if (!sel.length) {
+				sel = [ fm.cwd() ];
+			}
+			return sel;
+		};
+	
+	this.linkedCmds = ['rm'];
+	
+	this.init = function() {
+		// lazy assign to make possible to become superclass
+		self = this;
+		fm = this.fm;
+	};
+
+	this.getstate = function(select) {
+		var sel = selFiles(select),
+			cnt,
+			filter = function(files) {
+				var fres = true;
+				return $.grep(files, function(f) {
+					fres = fres && f.read && f.write && f.mime === 'directory' ? true : false;
+					return fres;
+				});
+			};
+		
+		cnt = sel.length;
+		return filter(sel).length == cnt ? 0 : -1;
+	};
+	
+	this.exec = function(hashes) {
+		var dirs = selFiles(hashes),
+			cnt  = dirs.length,
+			dfrd = $.Deferred()
+				.done(function() {
+					var data = {changed: {}};
+					fm.toast({msg: fm.i18n(['"'+success.join('", ')+'"', 'complete', fm.i18n('cmdempty')])});
+					$.each(dirs, function(i, dir) {
+						data.changed[dir.hash] = dir;
+					});
+					fm.change(data);
+				})
+				.always(function() {
+					var cwd = fm.cwd().hash;
+					fm.trigger('selectfiles', {files: $.map(dirs, function(d) { return cwd === d.phash? d.hash : null; })});
+				}),
+			success = [],
+			done = function(res) {
+				if (typeof res === 'number') {
+					success.push(dirs[res].name);
+					delete dirs[res].dirs;
+				} else {
+					res && fm.error(res);
+				}
+				(--cnt < 1) && dfrd[success.length? 'resolve' : 'reject']();
+			};
+
+		$.each(dirs, function(i, dir) {
+			var tm;
+			if (!(dir.write && dir.mime === 'directory')) {
+				done(['errEmpty', dir.name, 'errPerm']);
+				return null;
+			}
+			if (!fm.isCommandEnabled('rm', dir.hash)) {
+				done(['errCmdNoSupport', '"rm"']);
+				return null;
+			}
+			tm = setTimeout(function() {
+				fm.notify({type : 'search', cnt : 1, hideCnt : cnt > 1? false : true});
+			}, fm.notifyDelay);
+			fm.request({
+				data : {cmd  : 'open', target : dir.hash},
+				preventDefault : true,
+				asNotOpen : true
+			}).done(function(data) {
+				var targets = [];
+				tm && clearTimeout(tm);
+				if (fm.ui.notify.children('.elfinder-notify-search').length) {
+					fm.notify({type : 'search', cnt : -1, hideCnt : cnt > 1? false : true});
+				}
+				if (data && data.files && data.files.length) {
+					if (data.files.length > fm.maxTargets) {
+						done(['errEmpty', dir.name, 'errMaxTargets', fm.maxTargets]);
+					} else {
+						fm.updateCache(data);
+						$.each(data.files, function(i, f) {
+							if (!f.write || f.locked) {
+								done(['errEmpty', dir.name, 'errRm', f.name, 'errPerm']);
+								targets = [];
+								return false;
+							}
+							targets.push(f.hash);
+						});
+						if (targets.length) {
+							fm.exec('rm', targets, { _userAction : true, addTexts : [ fm.i18n('folderToEmpty', dir.name) ] })
+							.fail(function(error) {
+								fm.trigger('unselectfiles', {files: fm.selected()});
+								done(fm.parseError(error) || '');
+							})
+							.done(function() { done(i); });
+						}
+					}
+				} else {
+					fm.toast({ mode: 'warning', msg: fm.i18n('filderIsEmpty', dir.name)});
+					done('');
+				}
+			}).fail(function(error) {
+				done(fm.parseError(error) || '');
+			});
+		});
+		
+		return dfrd;
+	};
+
+};