ApplicationMenuView.java

/*******************************************************************************
 * Copyright (c) 2006-2010 eBay Inc. All Rights Reserved.
 * 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
 *******************************************************************************/
package org.ebayopensource.turmeric.policy.adminui.client.view.policy;

import java.util.Iterator;

import org.ebayopensource.turmeric.policy.adminui.client.presenter.MenuController.MenuControllerDisplay;
import org.ebayopensource.turmeric.policy.adminui.client.view.common.FooterWidget;
import org.ebayopensource.turmeric.policy.adminui.client.view.common.HeaderWidget;

import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.HasClickHandlers;
import com.google.gwt.user.client.ui.DockLayoutPanel;
import com.google.gwt.user.client.ui.HasWidgets;
import com.google.gwt.user.client.ui.ResizeComposite;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * The Class ApplicationMenuView.
 */
public class ApplicationMenuView extends ResizeComposite implements HasWidgets, MenuControllerDisplay {

    private DockLayoutPanel mainPanel;
    private HeaderWidget headerWidget;
	private FooterWidget footerWidget;
	private Widget contentWidget;

	/**
	 * Instantiates a new application menu view.
	 */
	public ApplicationMenuView() {
	    initialize();
	    initWidget(mainPanel);
	}

	/**
	 * Initialize.
	 */
	public final void initialize() {

	    mainPanel = new DockLayoutPanel(Unit.PX);
        mainPanel.setWidth("100%");

        headerWidget = new HeaderWidget("88");
        footerWidget = new FooterWidget();

        mainPanel.addNorth(headerWidget,88);
        mainPanel.addSouth(footerWidget,40);
	}




    /**
	 * Adds the. 
	 * @param arg0
	 *            the arg0
     * @see com.google.gwt.user.client.ui.HasWidgets#add(com.google.gwt.user.client.ui.Widget)
	 */
    @Override
	public final void add(final Widget arg0) {
        if (contentWidget != null){
            mainPanel.remove(contentWidget);
        }
        contentWidget = arg0;
        mainPanel.add(contentWidget);
    }

    /**
	 * Clear.
	 * @see com.google.gwt.user.client.ui.HasWidgets#clear()
	 */
    @Override
	public final void clear() {
        if (contentWidget != null) {
            mainPanel.remove(contentWidget);
        }
        contentWidget = null;
    }

    /**
	 * Iterator.
	 * @return the iterator
	 * @see com.google.gwt.user.client.ui.HasWidgets#iterator()
	 */
    @Override
	public final Iterator<Widget> iterator() {
        return mainPanel.iterator();
    }

    /**
	 * Removes the.
	 * @param arg0
	 *            the arg0
	 * @return true, if successful
     * @see com.google.gwt.user.client.ui.HasWidgets#remove(com.google.gwt.user.client.ui.Widget)
	 */
    @Override
	public final boolean remove(final Widget arg0) {
        boolean result = false;
        if (contentWidget != null) {
            result = mainPanel.remove(contentWidget);
        }
        contentWidget = null;
        return result;
    }

    /**
	 * As widget.
	 * @return the widget
     * @see org.ebayopensource.turmeric.policy.adminui.client.Container#asWidget()
	 */
    @Override
	public final Widget asWidget() {
        return this;
    }

    /**
	 * Gets the logout component.
	 * @return the logout component
     * @see org.ebayopensource.turmeric.policy.adminui.client.presenter.MenuController.MenuControllerDisplay#getLogoutComponent()
	 */
    @Override
	public final HasClickHandlers getLogoutComponent() {
       return headerWidget.getLogoutComponent();
    }


    /* (non-Javadoc)
     * @see org.ebayopensource.turmeric.policy.adminui.client.presenter.MenuController.MenuControllerDisplay#setUserName(java.lang.String)
     */
    @Override
	public final void setUserName(final String name) {
        headerWidget.setUserName(name);
    }


}