selectioncommand.java

ZK 基础介绍 功能操作 模块 结合数据库操作

/* SelectionCommand.java

{{IS_NOTE
	Purpose:
		
	Description:
		
	History:
	Wed April 18 16:41:52 2007, Created by jumperchen
}}IS_NOTE

Copyright (C) 2007 Potix Corporation. All Rights Reserved.

{{IS_RIGHT
	This program is distributed under GPL Version 2.0 in the hope that
	it will be useful, but WITHOUT ANY WARRANTY.
}}IS_RIGHT
*/
package org.zkoss.zk.au.in;

import org.zkoss.lang.Objects;

import org.zkoss.zk.mesg.MZk;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.UiException;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.event.SelectionEvent;
import org.zkoss.zk.au.AuRequest;
import org.zkoss.zk.au.Command;

/**
 * Used only by {@link AuRequest} to implement the {@link SelectionEvent}
 * relevant command.
 * 
 * @author jumperchen
 * @since 3.0.0
 */
public class SelectionCommand extends Command {
	public SelectionCommand(String evtnm, int flags) {
		super(evtnm, flags);
	}

	//-- super --//
	protected void process(AuRequest request) {
		final Component comp = request.getComponent();
		if (comp == null)
			throw new UiException(MZk.ILLEGAL_REQUEST_COMPONENT_REQUIRED, this);

		final String[] data = request.getData();
		if (data == null || data.length != 3)
			throw new UiException(MZk.ILLEGAL_REQUEST_WRONG_DATA,
				new Object[] {Objects.toString(data), this});
		final int start = Integer.parseInt(data[0]);
		final int end = Integer.parseInt(data[1]);
		final String txt = data[2];
		Events.postEvent(new SelectionEvent(getId(), comp, start,end,txt));
	}
}