/**
* Copyright (C) cedarsoft GmbH.
*
* 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 com.cedarsoft.wicket.navigation;
import org.apache.wicket.markup.html.WebComponent;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.data.DataView;
import org.apache.wicket.markup.repeater.data.IDataProvider;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
/**
* A view for links. The given {@link IDataProvider} must provide {@link LinkProvider}s
*/
public class LinksDataView<T extends LinkProvider> extends DataView<T> {
@NotNull
@NonNls
public static final String ID = "links";
@NotNull
@NonNls
static final String ID_LINK = "link";
@NotNull
@NonNls
static final String ID_LABEL = "label";
public LinksDataView( @NotNull IDataProvider<T> dataProvider ) {
super( ID, dataProvider );
}
@Override
protected void populateItem( @NotNull Item<T> item ) {
LinkProvider linkProvider = item.getModelObject();
WebMarkupContainer link = linkProvider.createLink( ID_LINK );
if ( !ID_LINK.equals( link.getId() ) ) {
throw new IllegalStateException( "Link must have the ID set to " + ID_LINK );
}
WebComponent label = linkProvider.createLabel( ID_LABEL );
if ( !ID_LABEL.equals( label.getId() ) ) {
throw new IllegalStateException( "Label must have the ID set to " + ID_LABEL );
}
link.add( label );
item.add( link );
}
}