var FileList={
	useUndo:true,
	update:function(fileListHtml) {
		$('#fileList').empty().html(fileListHtml);
	},
	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+')'
		});
		td.append('<input type="checkbox" />');
		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=simpleFileSize(size);
		}else{
			simpleSize=t('files', 'Pending');
		}
		var sizeColor = Math.round(200-Math.pow((size/(1024*1024)),2));
		var lastModifiedTime = Math.round(lastModified.getTime() / 1000);
		td = $('<td></td>').attr({
			"class": "filesize",
			"title": humanFileSize(size),
			"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){
		var imgurl;
		if (loading) {
			imgurl = OC.imagePath('core', 'loading.gif');
		} else {
			imgurl = OC.imagePath('core', 'filetypes/file.png');
		}
		var tr = this.createRow(
			'file',
			name,
			imgurl,
			OC.Router.generate('download', { file: $('#dir').val()+'/'+name }),
			size,
			lastModified,
			$('#permissions').val()
		);
			
		FileList.insertElement(name, 'file', tr.attr('data-file',name));
		var row = $('tr').filterAttr('data-file',name);
		if(loading){
			row.data('loading',true);
		}else{
			row.find('td.filename').draggable(dragOptions);
		}
		if (hidden) {
			row.hide();
		}
		FileActions.display(row.find('td.filename'));
	},
	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 row = $('tr').filterAttr('data-file',name);
		row.find('td.filename').draggable(dragOptions);
		row.find('td.filename').droppable(folderDropOptions);
		if (hidden) {
			row.hide();
		}
		FileActions.display(row.find('td.filename'));
	},
	refresh:function(data) {
		var result = jQuery.parseJSON(data.responseText);
		if(typeof(result.data.breadcrumb) != 'undefined'){
			updateBreadcrumb(result.data.breadcrumb);
		}
		FileList.update(result.data.files);
		resetFileActionPanel();
	},
	remove:function(name){
		$('tr').filterAttr('data-file',name).find('td.filename').draggable('destroy');
		$('tr').filterAttr('data-file',name).remove();
		if($('tr[data-file]').length==0){
			$('#emptyfolder').show();
		}
	},
	insertElement:function(name,type,element){
		//find the correct spot to insert the file or folder
		var pos, fileElements=$('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.length){
			if(pos==-1){
				$(fileElements[0]).before(element);
			}else{
				$(fileElements[pos]).after(element);
			}
		}else if(type=='dir' && $('tr[data-file]').length>0){
			$('tr[data-file]').first().before(element);
		}else{
			$('#fileList').append(element);
		}
		$('#emptyfolder').hide();
	},
	loadingDone:function(name, id){
		var mime, tr=$('tr').filterAttr('data-file',name);
		tr.data('loading',false);
		mime=tr.data('mime');
		tr.attr('data-mime',mime);
		if (id != null) {
			tr.attr('data-id', id);
		}
		getMimeIcon(mime,function(path){
			tr.find('td.filename').attr('style','background-image:url('+path+')');
		});
		tr.find('td.filename').draggable(dragOptions);
	},
	isLoading:function(name){
		return $('tr').filterAttr('data-file',name).data('loading');
	},
	rename:function(name){
		var tr, td, input, form;
		tr=$('tr').filterAttr('data-file',name);
		tr.data('renaming',true);
		td=tr.children('td.filename');
		input=$('<input class="filename"/>').val(name);
		form=$('<form></form>');
		form.append(input);
		td.children('a.name').hide();
		td.append(form);
		input.focus();
		form.submit(function(event){
			event.stopPropagation();
			event.preventDefault();
			var newname=input.val();
			if (!Files.isFileNameValid(newname)) {
				return false;
			} else if (newname != name) {
				if (FileList.checkName(name, newname, false)) {
					newname = name;
				} else {
					$.get(OC.filePath('files','ajax','rename.php'), { dir : $('#dir').val(), newname: newname, file: name },function(result) {
						if (!result || result.status == 'error') {
							OC.dialogs.alert(result.data.message, 'Error moving file');
							newname = name;
						}
					});

				}
			}
			tr.data('renaming',false);
			tr.attr('data-file', newname);
			var path = td.children('a.name').attr('href');
			td.children('a.name').attr('href', path.replace(encodeURIComponent(name), 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').length == 0 ) {
					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();
			return false;
		});
		input.keyup(function(event){
			if (event.keyCode == 27) {
				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');
		});
	},
	checkName:function(oldName, newName, isNewFile) {
		if (isNewFile || $('tr').filterAttr('data-file', newName).length > 0) {
			$('#notification').data('oldName', oldName);
			$('#notification').data('newName', newName);
			$('#notification').data('isNewFile', isNewFile);
            if (isNewFile) {
                OC.Notification.showHtml(t('files', '{new_name} already exists', {new_name: escapeHTML(newName)})+'<span class="replace">'+t('files', 'replace')+'</span><span class="suggest">'+t('files', 'suggest name')+'</span><span class="cancel">'+t('files', 'cancel')+'</span>');
            } else {
                OC.Notification.showHtml(t('files', '{new_name} already exists', {new_name: escapeHTML(newName)})+'<span class="replace">'+t('files', 'replace')+'</span><span class="cancel">'+t('files', 'cancel')+'</span>');
            }
			return true;
		} else {
			return false;
		}
	},
	replace:function(oldName, newName, isNewFile) {
		// Finish any existing actions
		$('tr').filterAttr('data-file', oldName).hide();
		$('tr').filterAttr('data-file', newName).hide();
		var tr = $('tr').filterAttr('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}', {new_name: newName})+'<span class="undo">'+t('files', 'undo')+'</span>');
		} else {
            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').filterAttr('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').filterAttr('data-file',files[i]).children("td.date").children(".action.delete");
			var oldHTML = deleteAction[0].outerHTML;
			var newHTML = '<img class="move2trash" data-action="Delete" title="'+t('files', 'perform delete operation')+'" src="'+ OC.imagePath('core', 'loading.gif') +'"></a>';
			deleteAction[0].outerHTML = newHTML;
		}
		// 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').filterAttr('data-file',file);
							files.hide();
							files.find('input[type="checkbox"]').removeAttr('checked');
							files.removeClass('selected');
						});
						procesSelection();
					} else {
						$.each(files,function(index,file) {
							var deleteAction = $('tr').filterAttr('data-file',file).children("td.date").children(".move2trash");
							deleteAction[0].outerHTML = oldHTML;
						});
					} 
				});
	}
};

$(document).ready(function(){
	$('#notification').hide();
	$('#notification').on('click', '.undo', function(){
		if (FileList.deleteFiles) {
			$.each(FileList.deleteFiles,function(index,file){
				$('tr').filterAttr('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').filterAttr('data-file', FileList.replaceOldName).show();
			}
			$('tr').filterAttr('data-replace', 'true').remove();
			$('tr').filterAttr('data-file', FileList.replaceNewName).show();
			FileList.replaceCanceled = true;
			FileList.replaceOldName = null;
			FileList.replaceNewName = null;
			FileList.replaceIsNewFile = null;
		}
		FileList.lastAction = null;
        OC.Notification.hide();
	});
	$('#notification').on('click', '.replace', function() {
        OC.Notification.hide(function() {
            FileList.replace($('#notification').data('oldName'), $('#notification').data('newName'), $('#notification').data('isNewFile'));
        });
	});
	$('#notification').on('click', '.suggest', function() {
		$('tr').filterAttr('data-file', $('#notification').data('oldName')).show();
        OC.Notification.hide();
	});
	$('#notification').on('click', '.cancel', function() {
		if ($('#notification').data('isNewFile')) {
			FileList.deleteCanceled = false;
			FileList.deleteFiles = [$('#notification').data('oldName')];
		}
	});
	FileList.useUndo=(window.onbeforeunload)?true:false;
	$(window).bind('beforeunload', function (){
		if (FileList.lastAction) {
			FileList.lastAction();
		}
	});
	$(window).unload(function (){
		$(window).trigger('beforeunload');
	});
});