/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.wicketstuff.jquery.demo.dnd;
import java.util.List;
import org.apache.wicket.MarkupContainer;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.PropertyModel;
import org.wicketstuff.jquery.demo.PageSupport;
import org.wicketstuff.jquery.dnd.DnDSortableHandler;
@SuppressWarnings("serial")
public class Page4SimpleList extends PageSupport
{
// Data (for demo purpose)
protected static List<MyItem> dataList_ = null;
static
{
try
{
dataList_ = MyFactory.newMyItemList("simple", 4);
}
catch (RuntimeException exc)
{
throw exc;
}
catch (Exception exc)
{
throw new RuntimeException("wrap: " + exc.getMessage(), exc);
}
}
// Component
public Page4SimpleList() throws Exception
{
// define the action on DnD
final DnDSortableHandler dnd = new DnDSortableHandler("dnd")
{
@Override
public boolean onDnD(AjaxRequestTarget target, MarkupContainer srcContainer,
int srcPos, MarkupContainer destContainer, int destPos)
{
// apply modification on model
MyItem myItem = dataList_.remove(srcPos);
dataList_.add(destPos, myItem);
// update feedback message
String msg = String.format("move '%s' from %d to %d", myItem.label, srcPos, destPos);
FeedbackPanel feedback = (FeedbackPanel)Page4SimpleList.this.get("feedback");
feedback.info(msg);
if (target != null)
{
// target is null in testcase
target.add(feedback);
}
// false = don't need to keep in sync component, markupId on serverside and client
// side
return false;
}
};
// add the DnD handler to the page
add(dnd);
add(new Link<Void>("start_dnd")
{
@Override
protected CharSequence getOnClickScript(CharSequence url)
{
return dnd.getJSFunctionName4Start() + "();";
}
@Override
protected CharSequence getURL()
{
return "#";
}
@Override
public void onClick()
{
throw new UnsupportedOperationException("NOT CALLABLE");
}
});
add(new Link<Void>("stop_dnd")
{
@Override
protected CharSequence getOnClickScript(CharSequence url)
{
return dnd.getJSFunctionName4Stop() + "();";
}
@Override
protected CharSequence getURL()
{
return "#";
}
@Override
public void onClick()
{
throw new UnsupportedOperationException("NOT CALLABLE");
}
});
// create a container
WebMarkupContainer webList = new WebMarkupContainer("myItemList");
dnd.registerContainer(webList);
add(webList);
// create items (add as children of the container)
webList.add(new ListView<MyItem>("myItem", dataList_)
{
@Override
protected void populateItem(ListItem<MyItem> listitem)
{
try
{
listitem.add(new Label("myItemLabel", new PropertyModel<String>(
listitem.getModelObject(), "label")));
dnd.registerItem(listitem);
}
catch (RuntimeException exc)
{
throw exc;
}
catch (Exception exc)
{
throw new RuntimeException("wrap: " + exc.getMessage(), exc);
}
}
});
}
}