/*
* Copyright 2011 Marc Grue.
*
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.qi4j.sample.dcicargo.sample_a.infrastructure.wicket.tabs;
import java.util.LinkedHashMap;
import java.util.Map;
import org.apache.wicket.Application;
import org.apache.wicket.AttributeModifier;
import org.apache.wicket.MetaDataKey;
import org.apache.wicket.Page;
import org.apache.wicket.devutils.stateless.StatelessComponent;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.markup.repeater.RepeatingView;
/**
* Tabs panel that stores tab data as application meta data.
*/
@StatelessComponent
public class TabsPanel extends Panel
{
public static final MetaDataKey<LinkedHashMap<Class, String[]>> TABS_PANEL_KEY = new MetaDataKey<LinkedHashMap<Class, String[]>>()
{
public static final long serialVersionUID = 1L;
};
public static <T extends Page> void registerTab( Application app, Class<T> clazz, String ref, String label )
{
Map<Class, String[]> tabsInfo = app.getMetaData( TABS_PANEL_KEY );
if( tabsInfo == null || tabsInfo.isEmpty() )
{
tabsInfo = new LinkedHashMap<Class, String[]>();
}
tabsInfo.put( clazz, new String[]{ ref, label } );
app.setMetaData( TABS_PANEL_KEY, tabsInfo );
}
@SuppressWarnings( "unchecked" )
public TabsPanel( String activeTab )
{
super( "tabsPanel" );
Map<Class, String[]> tabs = getApplication().getMetaData( TABS_PANEL_KEY );
if( tabs == null || tabs.isEmpty() )
{
throw new RuntimeException( "Please register one or more tabs." );
}
RepeatingView tabsView = new RepeatingView( "tabsView" );
// Loop "mounted" tabs
for( Map.Entry<Class, String[]> tab : tabs.entrySet() )
{
Class pageClass = tab.getKey();
String tabReference = tab.getValue()[ 0 ];
String tabLabel = tab.getValue()[ 1 ];
WebMarkupContainer tabView = new WebMarkupContainer( tabsView.newChildId() );
if( tabReference.equals( activeTab ) )
{
tabView.add( new AttributeModifier( "id", "current" ) );
}
BookmarkablePageLink link = new BookmarkablePageLink( "link", pageClass ); // unchecked
Label label = new Label( "label", tabLabel );
tabsView.add( tabView.add( link.add( label ) ) );
}
add( tabsView );
}
}