/*
* Copyright (C) 2004 TiongHiang Lee
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Email: thlee@onemindsoft.org
*/
package org.onemind.swingweb.client.gwt.ui;
import org.onemind.swingweb.client.core.AbstractClient;
import org.onemind.swingweb.client.dom.DomNode;
import com.google.gwt.user.client.ui.*;
public class ButtonUIHandler extends ComponentUIHandler implements ClickListener
{
public void onClick(Widget sender)
{
handleEvent(sender, null);
}
public ButtonUIHandler(AbstractClient client)
{
super(client);
}
/**
* {@inheritDoc}
*/
protected Object createComponentInstance(Object parent, DomNode element)
{
Button btn = new Button();
return btn;
}
/**
* {@inheritDoc}
*/
protected Object updateUI(Object com, DomNode element)
{
Button btn = (Button) com;
StringBuffer text = new StringBuffer();
String str = element.getAttribute("label");
String icon = element.getAttribute("icon");
if (icon!=null && icon.length()>0 && !icon.equals("#")){
text.append("<img src=\"" + getClient().getUrl() + icon + "\">");
}
if (str!=null && str.length()>0){
text.append(str);
}
btn.setHTML(text.toString());
return super.updateUI(com, element);
}
protected void postEvent(Object sender, Object data)
{
postEvent(sender, "true", true);
}
/**
* {@inheritDoc}
*/
protected void registerListeners(Object com)
{
Button btn = (Button) com;
btn.addClickListener(this);
super.registerListeners(com);
}
protected boolean isTrue(DomNode element, String attr)
{
String attrValue = element.getAttribute(attr);
if (attrValue != null && attrValue.equalsIgnoreCase("true"))
{
return true;
} else
{
return false;
}
}
}
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