nextapp.echo.webcontainer.ComponentFocusInputProcessor Maven / Gradle / Ivy
/*
* This file is part of the Echo Web Application Framework (hereinafter "Echo").
* Copyright (C) 2002-2009 NextApp, Inc.
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
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*/
package nextapp.echo.webcontainer;
import java.io.IOException;
import org.w3c.dom.Element;
import nextapp.echo.app.Component;
import nextapp.echo.app.util.Context;
import nextapp.echo.app.util.DomUtil;
/**
* ClientMessage.Processor which stores the client focus
* state in the server-side application.
*/
public class ComponentFocusInputProcessor
implements ClientMessage.Processor {
/**
* @see nextapp.echo.webcontainer.ClientMessage.Processor#process(nextapp.echo.app.util.Context, org.w3c.dom.Element)
*/
public void process(Context context, Element dirElement)
throws IOException {
UserInstance userInstance = (UserInstance) context.get(UserInstance.class);
Element focusElement = DomUtil.getChildElementByTagName(dirElement, "focus");
String componentId = focusElement.getAttribute("i");
Component component = userInstance.getComponentByClientRenderId(componentId);
userInstance.getApplicationInstance().setFocusedComponent(component);
}
}