/**
* License Agreement.
*
* Ajax4jsf 1.1 - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jboss.seam.ui.component;
import javax.faces.component.EditableValueHolder;
import javax.faces.component.UIComponent;
import javax.faces.component.html.HtmlMessage;
/**
* JSF component class
*
*/
public abstract class UIMessage extends HtmlMessage {
/**
* A depth-first search for an EditableValueHolder
*/
protected static UIComponent getEditableValueHolder(UIComponent component)
{
if (component instanceof EditableValueHolder)
{
return component.isRendered() ? component : null;
}
for (Object child: component.getChildren())
{
if (child instanceof UIComponent)
{
UIComponent evh = getEditableValueHolder( (UIComponent) child );
if (evh!=null) return evh;
}
}
return null;
}
private static String getInputId(UIComponent cmp)
{
String forId = cmp instanceof UIDecorate ?
( (UIDecorate) cmp ).getFor() : null;
if (forId==null)
{
UIComponent evh = getEditableValueHolder(cmp);
return evh==null ? null : evh.getId();
}
else
{
return forId;
}
}
private static String getFor(UIComponent component)
{
if ( component.getParent()==null )
{
return null;
}
else if (component instanceof UIDecorate)
{
return getInputId(component);
}
else
{
return getFor( component.getParent() );
}
}
@Override
public String getFor()
{
return getFor(this);
}
}