var FileList={
  	useUndo:true,

  	postProcessList: function() {
  		$('#fileList tr').each(function() {
  			//little hack to set unescape filenames in attribute
  			$(this).attr('data-file',decodeURIComponent($(this).attr('data-file')));
  		});
  	},

  	update:function(fileListHtml) {

  		var $fileList = $('#fileList');
  		$fileList.empty().html(fileListHtml);
  		FileList.updateEmptyContent();
  		$fileList.find('tr').each(function () {
  			FileActions.display($(this).children('td.filename'));
  		});
  		$fileList.trigger(jQuery.Event("fileActionsReady"));
  		FileList.postProcessList();
  		// "Files" might not be loaded in extending apps
  		if (window.Files) {
  			Files.setupDragAndDrop();
  		}
  		FileList.updateFileSummary();
  		$fileList.trigger(jQuery.Event("updated"));

  	},

  	createRow:function(type, name, iconurl, linktarget, size, lastModified, permissions) {

  		var td, simpleSize, basename, extension;
  		//containing tr
  		var tr = $('<tr></tr>').attr({
  			"data-type": type,
  			"data-size": size,
  			"data-file": name,
  			"data-permissions": permissions
  		});
  		// filename td
  		td = $('<td></td>').attr({
  			"class": "filename",

  			"style": 'background-image:url('+iconurl+'); background-size: 32px;'

  		});

  		var rand = Math.random().toString(16).slice(2);
  		td.append('<input id="select-'+rand+'" type="checkbox" /><label for="select-'+rand+'"></label>');

  		var link_elem = $('<a></a>').attr({
  			"class": "name",
  			"href": linktarget
  		});
  		//split extension from filename for non dirs

  		if (type !== 'dir' && name.indexOf('.') !== -1) {

  			basename=name.substr(0,name.lastIndexOf('.'));
  			extension=name.substr(name.lastIndexOf('.'));
  		} else {
  			basename=name;
  			extension=false;
  		}
  		var name_span=$('<span></span>').addClass('nametext').text(basename);
  		link_elem.append(name_span);

  		if (extension) {

  			name_span.append($('<span></span>').addClass('extension').text(extension));
  		}
  		//dirs can show the number of uploaded files

  		if (type === 'dir') {

  			link_elem.append($('<span></span>').attr({
  				'class': 'uploadtext',
  				'currentUploads': 0
  			}));
  		}
  		td.append(link_elem);
  		tr.append(td);
  
  		//size column

  		if (size !== t('files', 'Pending')) {
  			simpleSize = humanFileSize(size);
  		} else {

  			simpleSize=t('files', 'Pending');
  		}

  		var sizeColor = Math.round(160-Math.pow((size/(1024*1024)),2));

  		var lastModifiedTime = Math.round(lastModified.getTime() / 1000);
  		td = $('<td></td>').attr({
  			"class": "filesize",

  			"style": 'color:rgb('+sizeColor+','+sizeColor+','+sizeColor+')'
  		}).text(simpleSize);
  		tr.append(td);
  
  		// date column
  		var modifiedColor = Math.round((Math.round((new Date()).getTime() / 1000)-lastModifiedTime)/60/60/24*5);
  		td = $('<td></td>').attr({ "class": "date" });
  		td.append($('<span></span>').attr({
  			"class": "modified",
  			"title": formatDate(lastModified),
  			"style": 'color:rgb('+modifiedColor+','+modifiedColor+','+modifiedColor+')'
  		}).text( relative_modified_date(lastModified.getTime() / 1000) ));
  		tr.append(td);
  		return tr;
  	},

  	addFile:function(name, size, lastModified, loading, hidden, param) {

  		var imgurl;
  
  		if (!param) {
  			param = {};
  		}
  
  		var download_url = null;
  		if (!param.download_url) {
  			download_url = OC.Router.generate('download', { file: $('#dir').val()+'/'+name });
  		} else {
  			download_url = param.download_url;
  		}
  
  		if (loading) {
  			imgurl = OC.imagePath('core', 'loading.gif');
  		} else {
  			imgurl = OC.imagePath('core', 'filetypes/file.png');
  		}
  		var tr = this.createRow(
  			'file',
  			name,
  			imgurl,
  			download_url,
  			size,
  			lastModified,
  			$('#permissions').val()
  		);
  
  		FileList.insertElement(name, 'file', tr);

  		if (loading) {
  			tr.data('loading', true);
  		} else {

  			tr.find('td.filename').draggable(dragOptions);
  		}
  		if (hidden) {
  			tr.hide();
  		}
  		return tr;
  	},

  	addDir:function(name, size, lastModified, hidden) {

  
  		var tr = this.createRow(
  			'dir',
  			name,
  			OC.imagePath('core', 'filetypes/folder.png'),
  			OC.linkTo('files', 'index.php')+"?dir="+ encodeURIComponent($('#dir').val()+'/'+name).replace(/%2F/g, '/'),
  			size,
  			lastModified,
  			$('#permissions').val()
  		);

  		FileList.insertElement(name, 'dir', tr);

  		var td = tr.find('td.filename');
  		td.draggable(dragOptions);
  		td.droppable(folderDropOptions);
  		if (hidden) {
  			tr.hide();
  		}
  		FileActions.display(tr.find('td.filename'), true);
  		return tr;
  	},

  	getCurrentDirectory: function(){
  		return $('#dir').val() || '/';
  	},
  	/**
  	 * @brief Changes the current directory and reload the file list.
  	 * @param targetDir target directory (non URL encoded)
  	 * @param changeUrl false if the URL must not be changed (defaults to true)
  	 * @param {boolean} force set to true to force changing directory
  	 */
  	changeDirectory: function(targetDir, changeUrl, force) {
  		var $dir = $('#dir'),
  			url,
  			currentDir = $dir.val() || '/';
  		targetDir = targetDir || '/';
  		if (!force && currentDir === targetDir) {
  			return;

  		}

  		FileList.setCurrentDir(targetDir, changeUrl);
  		$('#fileList').trigger(
  			jQuery.Event('changeDirectory', {
  				dir: targetDir,
  				previousDir: currentDir
  			}
  		));
  		FileList.reload();
  	},
  	linkTo: function(dir) {
  		return OC.linkTo('files', 'index.php')+"?dir="+ encodeURIComponent(dir).replace(/%2F/g, '/');
  	},
  	setCurrentDir: function(targetDir, changeUrl) {
  		$('#dir').val(targetDir);
  		if (changeUrl !== false) {
  			if (window.history.pushState && changeUrl !== false) {
  				url = FileList.linkTo(targetDir);
  				window.history.pushState({dir: targetDir}, '', url);
  			}
  			// use URL hash for IE8
  			else{
  				window.location.hash = '?dir='+ encodeURIComponent(targetDir).replace(/%2F/g, '/');
  			}
  		}
  	},
  	/**
  	 * @brief Reloads the file list using ajax call
  	 */
  	reload: function() {
  		FileList.showMask();
  		if (FileList._reloadCall) {
  			FileList._reloadCall.abort();
  		}
  		FileList._reloadCall = $.ajax({
  			url: OC.filePath('files','ajax','list.php'),
  			data: {
  				dir : $('#dir').val(),
  				breadcrumb: true
  			},
  			error: function(result) {
  				FileList.reloadCallback(result);
  			},
  			success: function(result) {
  				FileList.reloadCallback(result);
  			}
  		});
  	},
  	reloadCallback: function(result) {
  		var $controls = $('#controls');
  
  		delete FileList._reloadCall;
  		FileList.hideMask();
  
  		if (!result || result.status === 'error') {
  			OC.Notification.show(result.data.message);
  			return;
  		}
  
  		if (result.status === 404) {
  			// go back home
  			FileList.changeDirectory('/');
  			return;
  		}
  
  		// TODO: should rather return upload file size through
  		// the files list ajax call
  		Files.updateStorageStatistics(true);
  
  		if (result.data.permissions) {
  			FileList.setDirectoryPermissions(result.data.permissions);
  		}
  
  		if (typeof(result.data.breadcrumb) !== 'undefined') {
  			$controls.find('.crumb').remove();
  			$controls.prepend(result.data.breadcrumb);
  
  			var width = $(window).width();
  			Files.initBreadCrumbs();
  			Files.resizeBreadcrumbs(width, true);
  
  			// in case svg is not supported by the browser we need to execute the fallback mechanism
  			if (!SVGSupport()) {
  				replaceSVG();
  			}
  		}

  		FileList.update(result.data.files);

  	},
  	setDirectoryPermissions: function(permissions) {
  		var isCreatable = (permissions & OC.PERMISSION_CREATE) !== 0;
  		$('#permissions').val(permissions);
  		$('.creatable').toggleClass('hidden', !isCreatable);
  		$('.notCreatable').toggleClass('hidden', isCreatable);
  	},
  	/**
  	 * Shows/hides action buttons
  	 *
  	 * @param show true for enabling, false for disabling
  	 */
  	showActions: function(show){
  		$('.actions,#file_action_panel').toggleClass('hidden', !show);
  		if (show){
  			// make sure to display according to permissions
  			var permissions =  $('#permissions').val();
  			var isCreatable = (permissions & OC.PERMISSION_CREATE) !== 0;
  			$('.creatable').toggleClass('hidden', !isCreatable);
  			$('.notCreatable').toggleClass('hidden', isCreatable);
  		}
  		else{
  			$('.creatable, .notCreatable').addClass('hidden');
  		}
  	},
  	/**
  	 * Enables/disables viewer mode.
  	 * In viewer mode, apps can embed themselves under the controls bar.
  	 * In viewer mode, the actions of the file list will be hidden.
  	 * @param show true for enabling, false for disabling
  	 */
  	setViewerMode: function(show){
  		this.showActions(!show);
  		$('#filestable').toggleClass('hidden', show);

  	},
  	remove:function(name){
  		$('tr').filterAttr('data-file',name).find('td.filename').draggable('destroy');
  		$('tr').filterAttr('data-file',name).remove();

  		FileList.updateFileSummary();
  		if ( ! $('tr[data-file]').exists() ) {
  			$('#emptycontent').removeClass('hidden');
  			$('#filescontent th').addClass('hidden');

  		}
  	},

  	insertElement:function(name, type, element) {

  		//find the correct spot to insert the file or folder
  		var pos, fileElements=$('tr[data-file][data-type="'+type+'"]:visible');

  		if (name.localeCompare($(fileElements[0]).attr('data-file')) < 0) {
  			pos = -1;
  		} else if (name.localeCompare($(fileElements[fileElements.length-1]).attr('data-file')) > 0) {
  			pos = fileElements.length - 1;
  		} else {
  			for(pos = 0; pos<fileElements.length-1; pos++) {
  				if (name.localeCompare($(fileElements[pos]).attr('data-file')) > 0
  					&& name.localeCompare($(fileElements[pos+1]).attr('data-file')) < 0)
  				{

  					break;
  				}
  			}
  		}

  		if (fileElements.exists()) {
  			if (pos === -1) {

  				$(fileElements[0]).before(element);

  			} else {

  				$(fileElements[pos]).after(element);
  			}

  		} else if (type === 'dir' && $('tr[data-file]').exists()) {

  			$('tr[data-file]').first().before(element);

  		} else if (type === 'file' && $('tr[data-file]').exists()) {
  			$('tr[data-file]').last().before(element);
  		} else {

  			$('#fileList').append(element);
  		}

  		$('#emptycontent').addClass('hidden');
  		$('#filestable th').removeClass('hidden');
  		FileList.updateFileSummary();

  	},

  	loadingDone:function(name, id) {
  		var mime, tr = $('tr[data-file="'+name+'"]');
  		tr.data('loading', false);
  		mime = tr.data('mime');
  		tr.attr('data-mime', mime);
  		if (id) {

  			tr.attr('data-id', id);
  		}

  		var path = getPathForPreview(name);
  		Files.lazyLoadPreview(path, mime, function(previewpath) {
  			tr.find('td.filename').attr('style','background-image:url('+previewpath+')');
  		}, null, null, tr.attr('data-etag'));

  		tr.find('td.filename').draggable(dragOptions);
  	},

  	isLoading:function(name) {
  		return $('tr[data-file="'+name+'"]').data('loading');

  	},

  	rename:function(oldname) {

  		var tr, td, input, form;

  		tr = $('tr[data-file="'+oldname+'"]');

  		tr.data('renaming',true);

  		td = tr.children('td.filename');
  		input = $('<input type="text" class="filename"/>').val(oldname);
  		form = $('<form></form>');

  		form.append(input);
  		td.children('a.name').hide();
  		td.append(form);
  		input.focus();

  		//preselect input
  		var len = input.val().lastIndexOf('.');
  		if (len === -1) {
  			len = input.val().length;
  		}

  		input.selectRange(0, len);

  		var checkInput = function () {
  			var filename = input.val();
  			if (filename !== oldname) {
  				if (!Files.isFileNameValid(filename)) {
  					// Files.isFileNameValid(filename) throws an exception itself
  				} else if($('#dir').val() === '/' && filename === 'Shared') {
  					throw t('files','In the home folder \'Shared\' is a reserved filename');
  				} else if (FileList.inList(filename)) {
  					throw t('files', '{new_name} already exists', {new_name: filename});
  				}
  			}
  			return true;
  		};
  		
  		form.submit(function(event) {

  			event.stopPropagation();
  			event.preventDefault();

  			try {
  				var newname = input.val();
  				if (newname !== oldname) {
  					checkInput();
  					// save background image, because it's replaced by a spinner while async request
  					var oldBackgroundImage = td.css('background-image');
  					// mark as loading
  					td.css('background-image', 'url('+ OC.imagePath('core', 'loading.gif') + ')');
  					$.ajax({
  						url: OC.filePath('files','ajax','rename.php'),
  						data: {
  							dir : $('#dir').val(),
  							newname: newname,
  							file: oldname
  						},
  						success: function(result) {
  							if (!result || result.status === 'error') {
  								OC.dialogs.alert(result.data.message, t('core', 'Could not rename file'));
  								// revert changes
  								newname = oldname;
  								tr.attr('data-file', newname);
  								var path = td.children('a.name').attr('href');
  								td.children('a.name').attr('href', path.replace(encodeURIComponent(oldname), encodeURIComponent(newname)));
  								if (newname.indexOf('.') > 0 && tr.data('type') !== 'dir') {
  									var basename=newname.substr(0,newname.lastIndexOf('.'));
  								} else {
  									var basename=newname;
  								}
  								td.find('a.name span.nametext').text(basename);
  								if (newname.indexOf('.') > 0 && tr.data('type') !== 'dir') {
  									if ( ! td.find('a.name span.extension').exists() ) {
  										td.find('a.name span.nametext').append('<span class="extension"></span>');
  									}
  									td.find('a.name span.extension').text(newname.substr(newname.lastIndexOf('.')));
  								}
  								tr.find('.fileactions').effect('highlight', {}, 5000);
  								tr.effect('highlight', {}, 5000);
  								// remove loading mark and recover old image
  								td.css('background-image', oldBackgroundImage);
  							}
  							else {
  								var fileInfo = result.data;
  								tr.attr('data-mime', fileInfo.mime);
  								tr.attr('data-etag', fileInfo.etag);
  								if (fileInfo.isPreviewAvailable) {
  									Files.lazyLoadPreview(fileInfo.directory + '/' + fileInfo.name, result.data.mime, function(previewpath) {
  										tr.find('td.filename').attr('style','background-image:url('+previewpath+')');
  									}, null, null, result.data.etag);
  								}
  								else {
  									tr.find('td.filename').removeClass('preview').attr('style','background-image:url('+fileInfo.icon+')');
  								}
  							}
  							// reinsert row
  							tr.detach();
  							FileList.insertElement( tr.attr('data-file'), tr.attr('data-type'),tr );
  							// update file actions in case the extension changed
  							FileActions.display( tr.find('td.filename'), true);

  						}
  					});

  				}

  				input.tipsy('hide');
  				tr.data('renaming',false);
  				tr.attr('data-file', newname);
  				var path = td.children('a.name').attr('href');
  				// FIXME this will fail if the path contains the filename.
  				td.children('a.name').attr('href', path.replace(encodeURIComponent(oldname), encodeURIComponent(newname)));
  				var basename = newname;
  				if (newname.indexOf('.') > 0 && tr.data('type') !== 'dir') {
  					basename = newname.substr(0, newname.lastIndexOf('.'));
  				} 
  				td.find('a.name span.nametext').text(basename);
  				if (newname.indexOf('.') > 0 && tr.data('type') !== 'dir') {
  					if ( ! td.find('a.name span.extension').exists() ) {
  						td.find('a.name span.nametext').append('<span class="extension"></span>');
  					}
  					td.find('a.name span.extension').text(newname.substr(newname.lastIndexOf('.')));

  				}

  				form.remove();
  				td.children('a.name').show();
  			} catch (error) {
  				input.attr('title', error);
  				input.tipsy({gravity: 'w', trigger: 'manual'});
  				input.tipsy('show');
  				input.addClass('error');

  			}

  			return false;
  		});

  		input.keyup(function(event) {
  			// verify filename on typing
  			try {
  				checkInput();
  				input.tipsy('hide');
  				input.removeClass('error');
  			} catch (error) {
  				input.attr('title', error);
  				input.tipsy({gravity: 'w', trigger: 'manual'});
  				input.tipsy('show');
  				input.addClass('error');
  			}
  			if (event.keyCode === 27) {
  				input.tipsy('hide');

  				tr.data('renaming',false);
  				form.remove();
  				td.children('a.name').show();
  			}
  		});

  		input.click(function(event) {

  			event.stopPropagation();
  			event.preventDefault();
  		});

  		input.blur(function() {

  			form.trigger('submit');
  		});
  	},

  	inList:function(filename) {
  		return $('#fileList tr[data-file="'+filename+'"]').length;

  	},
  	replace:function(oldName, newName, isNewFile) {
  		// Finish any existing actions

  		$('tr[data-file="'+oldName+'"]').hide();
  		$('tr[data-file="'+newName+'"]').hide();
  		var tr = $('tr[data-file="'+oldName+'"]').clone();

  		tr.attr('data-replace', 'true');
  		tr.attr('data-file', newName);
  		var td = tr.children('td.filename');
  		td.children('a.name .span').text(newName);
  		var path = td.children('a.name').attr('href');
  		td.children('a.name').attr('href', path.replace(encodeURIComponent(oldName), encodeURIComponent(newName)));
  		if (newName.indexOf('.') > 0) {
  			var basename = newName.substr(0, newName.lastIndexOf('.'));
  		} else {
  			var basename = newName;
  		}
  		td.children('a.name').empty();
  		var span = $('<span class="nametext"></span>');
  		span.text(basename);
  		td.children('a.name').append(span);
  		if (newName.indexOf('.') > 0) {
  			span.append($('<span class="extension">'+newName.substr(newName.lastIndexOf('.'))+'</span>'));
  		}
  		FileList.insertElement(newName, tr.data('type'), tr);
  		tr.show();
  		FileList.replaceCanceled = false;
  		FileList.replaceOldName = oldName;
  		FileList.replaceNewName = newName;
  		FileList.replaceIsNewFile = isNewFile;
  		FileList.lastAction = function() {
  			FileList.finishReplace();
  		};
  		if (!isNewFile) {

  			OC.Notification.showHtml(t('files', 'replaced {new_name} with {old_name}', {new_name: newName}, {old_name: oldName})+'<span class="undo">'+t('files', 'undo')+'</span>');

  		}
  	},
  	finishReplace:function() {
  		if (!FileList.replaceCanceled && FileList.replaceOldName && FileList.replaceNewName) {
  			$.ajax({url: OC.filePath('files', 'ajax', 'rename.php'), async: false, data: { dir: $('#dir').val(), newname: FileList.replaceNewName, file: FileList.replaceOldName }, success: function(result) {

  				if (result && result.status === 'success') {
  					$('tr[data-replace="true"').removeAttr('data-replace');

  				} else {
  					OC.dialogs.alert(result.data.message, 'Error moving file');
  				}
  				FileList.replaceCanceled = true;
  				FileList.replaceOldName = null;
  				FileList.replaceNewName = null;
  				FileList.lastAction = null;
  			}});
  		}
  	},

  	do_delete:function(files) {
  		if (files.substr) {

  			files=[files];
  		}
  		for (var i=0; i<files.length; i++) {

  			var deleteAction = $('tr[data-file="'+files[i]+'"]').children("td.date").children(".action.delete");
  			deleteAction.removeClass('delete-icon').addClass('progress-icon');

  		}
  		// Finish any existing actions
  		if (FileList.lastAction) {
  			FileList.lastAction();
  		}
  
  		var fileNames = JSON.stringify(files);
  		$.post(OC.filePath('files', 'ajax', 'delete.php'),
  				{dir:$('#dir').val(),files:fileNames},

  				function(result) {
  					if (result.status === 'success') {
  						$.each(files,function(index,file) {
  							var files = $('tr[data-file="'+file+'"]');

  							files.remove();
  							files.find('input[type="checkbox"]').removeAttr('checked');
  							files.removeClass('selected');
  						});
  						procesSelection();

  						checkTrashStatus();
  						FileList.updateFileSummary();
  						FileList.updateEmptyContent();
  						Files.updateStorageStatistics();

  					} else {

  						if (result.status === 'error' && result.data.message) {
  							OC.Notification.show(result.data.message);
  						}
  						else {
  							OC.Notification.show(t('files', 'Error deleting file.'));
  						}
  						// hide notification after 10 sec
  						setTimeout(function() {
  							OC.Notification.hide();
  						}, 10000);

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

  							var deleteAction = $('tr[data-file="' + file + '"] .action.delete');
  							deleteAction.removeClass('progress-icon').addClass('delete-icon');

  						});
  					}
  				});

  	},
  	createFileSummary: function() {
  		if( $('#fileList tr').exists() ) {
  			var summary = this._calculateFileSummary();
  
  			// Get translations
  			var directoryInfo = n('files', '%n folder', '%n folders', summary.totalDirs);
  			var fileInfo = n('files', '%n file', '%n files', summary.totalFiles);
  
  			var infoVars = {
  				dirs: '<span class="dirinfo">'+directoryInfo+'</span><span class="connector">',
  				files: '</span><span class="fileinfo">'+fileInfo+'</span>'
  			};
  
  			var info = t('files', '{dirs} and {files}', infoVars);
  
  			// don't show the filesize column, if filesize is NaN (e.g. in trashbin)
  			if (isNaN(summary.totalSize)) {
  				var fileSize = '';
  			} else {
  				var fileSize = '<td class="filesize">'+humanFileSize(summary.totalSize)+'</td>';
  			}
  
  			var $summary = $('<tr class="summary" data-file="undefined"><td><span class="info">'+info+'</span></td>'+fileSize+'<td></td></tr>');
  			$('#fileList').append($summary);
  
  			var $dirInfo = $summary.find('.dirinfo');
  			var $fileInfo = $summary.find('.fileinfo');
  			var $connector = $summary.find('.connector');
  
  			// Show only what's necessary, e.g.: no files: don't show "0 files"
  			if (summary.totalDirs === 0) {
  				$dirInfo.hide();
  				$connector.hide();
  			}
  			if (summary.totalFiles === 0) {
  				$fileInfo.hide();
  				$connector.hide();
  			}
  		}
  	},
  	_calculateFileSummary: function() {
  		var result = {
  			totalDirs: 0,
  			totalFiles: 0,
  			totalSize: 0
  		};
  		$.each($('tr[data-file]'), function(index, value) {
  			var $value = $(value);
  			if ($value.data('type') === 'dir') {
  				result.totalDirs++;
  			} else if ($value.data('type') === 'file') {
  				result.totalFiles++;
  			}
  			if ($value.data('size') !== undefined && $value.data('id') !== -1) {
  				//Skip shared as it does not count toward quota
  				result.totalSize += parseInt($value.data('size'));
  			}
  		});
  		return result;
  	},
  	updateFileSummary: function() {
  		var $summary = $('.summary');
  
  		// Check if we should remove the summary to show "Upload something"
  		if ($('#fileList tr').length === 1 && $summary.length === 1) {
  			$summary.remove();
  		}
  		// If there's no summary create one (createFileSummary checks if there's data)
  		else if ($summary.length === 0) {
  			FileList.createFileSummary();
  		}
  		// There's a summary and data -> Update the summary
  		else if ($('#fileList tr').length > 1 && $summary.length === 1) {
  			var fileSummary = this._calculateFileSummary();
  			var $dirInfo = $('.summary .dirinfo');
  			var $fileInfo = $('.summary .fileinfo');
  			var $connector = $('.summary .connector');
  
  			// Substitute old content with new translations
  			$dirInfo.html(n('files', '%n folder', '%n folders', fileSummary.totalDirs));
  			$fileInfo.html(n('files', '%n file', '%n files', fileSummary.totalFiles));
  			$('.summary .filesize').html(humanFileSize(fileSummary.totalSize));
  
  			// Show only what's necessary (may be hidden)
  			if (fileSummary.totalDirs === 0) {
  				$dirInfo.hide();
  				$connector.hide();
  			} else {
  				$dirInfo.show();
  			}
  			if (fileSummary.totalFiles === 0) {
  				$fileInfo.hide();
  				$connector.hide();
  			} else {
  				$fileInfo.show();
  			}
  			if (fileSummary.totalDirs > 0 && fileSummary.totalFiles > 0) {
  				$connector.show();
  			}
  		}
  	},
  	updateEmptyContent: function() {
  		var $fileList = $('#fileList');
  		var permissions = $('#permissions').val();
  		var isCreatable = (permissions & OC.PERMISSION_CREATE) !== 0;
  		var exists = $fileList.find('tr:first').exists();
  		$('#emptycontent').toggleClass('hidden', !isCreatable || exists);
  		$('#filestable th').toggleClass('hidden', !exists);
  	},
  	showMask: function() {
  		// in case one was shown before
  		var $mask = $('#content .mask');
  		if ($mask.exists()) {
  			return;
  		}
  
  		$mask = $('<div class="mask transparent"></div>');
  
  		$mask.css('background-image', 'url('+ OC.imagePath('core', 'loading.gif') + ')');
  		$mask.css('background-repeat', 'no-repeat');
  		$('#content').append($mask);
  
  		// block UI, but only make visible in case loading takes longer
  		FileList._maskTimeout = window.setTimeout(function() {
  			// reset opacity
  			$mask.removeClass('transparent');
  		}, 250);
  	},
  	hideMask: function() {
  		var $mask = $('#content .mask').remove();
  		if (FileList._maskTimeout) {
  			window.clearTimeout(FileList._maskTimeout);
  		}
  	},
  	scrollTo:function(file) {
  		//scroll to and highlight preselected file
  		var $scrolltorow = $('tr[data-file="'+file+'"]');
  		if ($scrolltorow.exists()) {
  			$scrolltorow.addClass('searchresult');
  			$(window).scrollTop($scrolltorow.position().top);
  			//remove highlight when hovered over
  			$scrolltorow.one('hover', function() {
  				$scrolltorow.removeClass('searchresult');
  			});
  		}
  	},
  	filter:function(query) {
  		$('#fileList tr:not(.summary)').each(function(i,e) {
  			if ($(e).data('file').toString().toLowerCase().indexOf(query.toLowerCase()) !== -1) {
  				$(e).addClass("searchresult");
  			} else {
  				$(e).removeClass("searchresult");
  			}
  		});
  		//do not use scrollto to prevent removing searchresult css class
  		var first = $('#fileList tr.searchresult').first();
  		if (first.exists()) {
  			$(window).scrollTop(first.position().top);
  		}
  	},
  	unfilter:function() {
  		$('#fileList tr.searchresult').each(function(i,e) {
  			$(e).removeClass("searchresult");
  		});

  	}
  };

  $(document).ready(function() {
  	var isPublic = !!$('#isPublic').val();

  
  	// handle upload events
  	var file_upload_start = $('#file_upload_start');

  	file_upload_start.on('fileuploaddrop', function(e, data) {

  		OC.Upload.log('filelist handle fileuploaddrop', e, data);
  
  		var dropTarget = $(e.originalEvent.target).closest('tr, .crumb');
  		if (dropTarget && (dropTarget.data('type') === 'dir' || dropTarget.hasClass('crumb'))) { // drag&drop upload to folder
  
  			// remember as context
  			data.context = dropTarget;
  
  			var dir = dropTarget.data('file');
  			// if from file list, need to prepend parent dir
  			if (dir) {
  				var parentDir = $('#dir').val() || '/';
  				if (parentDir[parentDir.length - 1] !== '/') {
  					parentDir += '/';

  				}

  				dir = parentDir + dir;

  			}

  			else{
  				// read full path from crumb
  				dir = dropTarget.data('dir') || '/';
  			}
  
  			// update folder in form
  			data.formData = function(form) {
  				return [
  					{name: 'dir', value: dir},
  					{name: 'requesttoken', value: oc_requesttoken}
  				];
  			};
  		} 

  	});
  	file_upload_start.on('fileuploadadd', function(e, data) {

  		OC.Upload.log('filelist handle fileuploadadd', e, data);
  
  		//finish delete if we are uploading a deleted file
  		if (FileList.deleteFiles && FileList.deleteFiles.indexOf(data.files[0].name)!==-1) {
  			FileList.finishDelete(null, true); //delete file before continuing
  		}
  
  		// add ui visualization to existing folder
  		if (data.context && data.context.data('type') === 'dir') {
  			// add to existing folder
  
  			// update upload counter ui
  			var uploadtext = data.context.find('.uploadtext');
  			var currentUploads = parseInt(uploadtext.attr('currentUploads'));
  			currentUploads += 1;
  			uploadtext.attr('currentUploads', currentUploads);

  			var translatedText = n('files', 'Uploading %n file', 'Uploading %n files', currentUploads);
  			if (currentUploads === 1) {
  				var img = OC.imagePath('core', 'loading.gif');
  				data.context.find('td.filename').attr('style','background-image:url('+img+')');
  				uploadtext.text(translatedText);
  				uploadtext.show();
  			} else {
  				uploadtext.text(translatedText);

  			}

  		}

  	});
  	/*
  	 * when file upload done successfully add row to filelist
  	 * update counter when uploading to sub folder
  	 */
  	file_upload_start.on('fileuploaddone', function(e, data) {
  		OC.Upload.log('filelist handle fileuploaddone', e, data);
  		
  		var response;
  		if (typeof data.result === 'string') {
  			response = data.result;
  		} else {
  			// fetch response from iframe
  			response = data.result[0].body.innerText;
  		}
  		var result=$.parseJSON(response);

  		if (typeof result[0] !== 'undefined' && result[0].status === 'success') {
  			var file = result[0];
  
  			if (data.context && data.context.data('type') === 'dir') {

  
  				// update upload counter ui
  				var uploadtext = data.context.find('.uploadtext');
  				var currentUploads = parseInt(uploadtext.attr('currentUploads'));

  				currentUploads -= 1;

  				uploadtext.attr('currentUploads', currentUploads);

  				var translatedText = n('files', 'Uploading %n file', 'Uploading %n files', currentUploads);
  				if (currentUploads === 0) {
  					var img = OC.imagePath('core', 'filetypes/folder.png');

  					data.context.find('td.filename').attr('style','background-image:url('+img+')');

  					uploadtext.text(translatedText);
  					uploadtext.hide();

  				} else {

  					uploadtext.text(translatedText);

  				}

  
  				// update folder size
  				var size = parseInt(data.context.data('size'));
  				size += parseInt(file.size);
  				data.context.attr('data-size', size);
  				data.context.find('td.filesize').text(humanFileSize(size));

  			} else {

  				// only append new file if dragged onto current dir's crumb (last)
  				if (data.context && data.context.hasClass('crumb') && !data.context.hasClass('last')) {
  					return;
  				}

  				// add as stand-alone row to filelist

  				var size=t('files', 'Pending');
  				if (data.files[0].size>=0) {

  					size=data.files[0].size;
  				}
  				var date=new Date();
  				var param = {};

  				if ($('#publicUploadRequestToken').exists()) {
  					param.download_url = document.location.href + '&download&path=/' + $('#dir').val() + '/' + file.name;

  				}

  				//should the file exist in the list remove it
  				FileList.remove(file.name);

  				// create new file context

  				data.context = FileList.addFile(file.name, file.size, date, false, false, param);
  
  				// update file data
  				data.context.attr('data-mime',file.mime).attr('data-id',file.id).attr('data-etag', file.etag);
  
  				var permissions = data.context.data('permissions');
  				if (permissions !== file.permissions) {
  					data.context.attr('data-permissions', file.permissions);
  					data.context.data('permissions', file.permissions);
  				}
  				FileActions.display(data.context.find('td.filename'), true);

  				var path = getPathForPreview(file.name);
  				Files.lazyLoadPreview(path, file.mime, function(previewpath) {
  					data.context.find('td.filename').attr('style','background-image:url('+previewpath+')');
  				}, null, null, file.etag);

  			}
  		}
  	});

  	file_upload_start.on('fileuploadstop', function(e, data) {
  		OC.Upload.log('filelist handle fileuploadstop', e, data);

  		//if user pressed cancel hide upload chrome
  		if (data.errorThrown === 'abort') {
  			//cleanup uploading to a dir
  			var uploadtext = $('tr .uploadtext');
  			var img = OC.imagePath('core', 'filetypes/folder.png');
  			uploadtext.parents('td.filename').attr('style','background-image:url('+img+')');
  			uploadtext.fadeOut();
  			uploadtext.attr('currentUploads', 0);

  		}
  	});
  	file_upload_start.on('fileuploadfail', function(e, data) {

  		OC.Upload.log('filelist handle fileuploadfail', e, data);
  
  		//if user pressed cancel hide upload chrome
  		if (data.errorThrown === 'abort') {

  			//cleanup uploading to a dir

  			var uploadtext = $('tr .uploadtext');

  			var img = OC.imagePath('core', 'filetypes/folder.png');

  			uploadtext.parents('td.filename').attr('style','background-image:url('+img+')');
  			uploadtext.fadeOut();
  			uploadtext.attr('currentUploads', 0);

  		}
  	});
  
  	$('#notification').hide();

  	$('#notification').on('click', '.undo', function() {

  		if (FileList.deleteFiles) {

  			$.each(FileList.deleteFiles,function(index,file) {
  				$('tr[data-file="'+file+'"]').show();

  			});
  			FileList.deleteCanceled=true;
  			FileList.deleteFiles=null;
  		} else if (FileList.replaceOldName && FileList.replaceNewName) {
  			if (FileList.replaceIsNewFile) {
  				// Delete the new uploaded file
  				FileList.deleteCanceled = false;
  				FileList.deleteFiles = [FileList.replaceOldName];
  			} else {

  				$('tr[data-file="'+FileList.replaceOldName+'"]').show();

  			}

  			$('tr[data-replace="true"').remove();
  			$('tr[data-file="'+FileList.replaceNewName+'"]').show();

  			FileList.replaceCanceled = true;
  			FileList.replaceOldName = null;
  			FileList.replaceNewName = null;
  			FileList.replaceIsNewFile = null;
  		}
  		FileList.lastAction = null;

  		OC.Notification.hide();

  	});
  	$('#notification:first-child').on('click', '.replace', function() {

  		OC.Notification.hide(function() {
  			FileList.replace($('#notification > span').attr('data-oldName'), $('#notification > span').attr('data-newName'), $('#notification > span').attr('data-isNewFile'));
  		});

  	});
  	$('#notification:first-child').on('click', '.suggest', function() {

  		$('tr[data-file="'+$('#notification > span').attr('data-oldName')+'"]').show();
  		OC.Notification.hide();

  	});
  	$('#notification:first-child').on('click', '.cancel', function() {
  		if ($('#notification > span').attr('data-isNewFile')) {
  			FileList.deleteCanceled = false;
  			FileList.deleteFiles = [$('#notification > span').attr('data-oldName')];
  		}
  	});
  	FileList.useUndo=(window.onbeforeunload)?true:false;

  	$(window).bind('beforeunload', function () {

  		if (FileList.lastAction) {
  			FileList.lastAction();
  		}
  	});

  	$(window).unload(function () {

  		$(window).trigger('beforeunload');
  	});

  
  	function decodeQuery(query) {
  		return query.replace(/\+/g, ' ');
  	}
  
  	function parseHashQuery() {
  		var hash = window.location.hash,
  			pos = hash.indexOf('?'),
  			query;
  		if (pos >= 0) {
  			return hash.substr(pos + 1);
  		}
  		return '';
  	}
  
  	function parseCurrentDirFromUrl() {
  		var query = parseHashQuery(),
  			params,
  			dir = '/';
  		// try and parse from URL hash first
  		if (query) {
  			params = OC.parseQueryString(decodeQuery(query));
  		}
  		// else read from query attributes
  		if (!params) {
  			params = OC.parseQueryString(decodeQuery(location.search));
  		}
  		return (params && params.dir) || '/';
  	}
  
  	// disable ajax/history API for public app (TODO: until it gets ported)
  	if (!isPublic) {
  		// fallback to hashchange when no history support
  		if (!window.history.pushState) {
  			$(window).on('hashchange', function() {
  				FileList.changeDirectory(parseCurrentDirFromUrl(), false);
  			});
  		}
  		window.onpopstate = function(e) {
  			var targetDir;
  			if (e.state && e.state.dir) {
  				targetDir = e.state.dir;
  			}
  			else{
  				// read from URL
  				targetDir = parseCurrentDirFromUrl();
  			}
  			if (targetDir) {
  				FileList.changeDirectory(targetDir, false);
  			}
  		};
  
  		if (parseInt($('#ajaxLoad').val(), 10) === 1) {
  			// need to initially switch the dir to the one from the hash (IE8)
  			FileList.changeDirectory(parseCurrentDirFromUrl(), false, true);
  		}
  	}
  
  	FileList.createFileSummary();

  });