/*
 * Copyright 2009-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jdal.vaadin.ui.table;

import org.jdal.dao.Filter;
import org.jdal.ui.View;

import com.vaadin.server.ThemeResource;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Form;

/**
 * @author Jose Luis Martin - (jlm@joseluismartin.info)
 *
 */
public class ClearFilterAction extends TableButtonListener {
	
	public ClearFilterAction() {
		setIcon(new ThemeResource("images/table/edit-clear.png"));
	}

	/**
	 * {@inheritDoc}
	 */
	@SuppressWarnings("rawtypes")
	@Override
	public void buttonClick(ClickEvent event) {
		PageableTable<?> table = (PageableTable<?>) getTable();
		Filter filter = (Filter) table.getFilter();
		
		if (filter == null)
			return;
		
		filter.clear();
		
		if (table.getFilterForm() instanceof Form) {
			Form form = (Form) table.getFilterForm();
			form.discard();
		}
		else if (table.getFilterForm() instanceof View) {
			((View) table.getFilterForm()).refresh();
		}
		
		table.getPaginator().firstPage();
	}
}