package org.wicketstuff.examples.gmap.listen;
import java.util.Locale;
import org.apache.wicket.ajax.AjaxEventBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.basic.MultiLineLabel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.util.convert.IConverter;
import org.wicketstuff.examples.gmap.WicketExamplePage;
import org.wicketstuff.gmap.GMap;
import org.wicketstuff.gmap.api.GLatLngBounds;
import org.wicketstuff.gmap.event.DragEndListener;
import org.wicketstuff.gmap.event.LoadListener;
import org.wicketstuff.gmap.event.ZoomChangedListener;
/**
* Demonstrates how to listen to the map.
*/
public class HomePage extends WicketExamplePage
{
private static final long serialVersionUID = 1L;
private final Label zoomLabel;
private final MultiLineLabel boundsLabel;
private DragEndListener moveEndBehavior;
public HomePage()
{
final GMap map = new GMap("map");
add(map);
moveEndBehavior = new MyDragEndListener();
map.add(moveEndBehavior);
map.add(new LoadListener()
{
private static final long serialVersionUID = 1L;
@Override
protected void onLoad(AjaxRequestTarget target)
{
target.add(boundsLabel);
}
});
map.add(new ZoomChangedListener()
{
private static final long serialVersionUID = 1L;
@Override
protected void onZoomChanged(AjaxRequestTarget target)
{
target.add(zoomLabel);
target.add(boundsLabel);
}
});
zoomLabel = new Label("zoom", new PropertyModel<Integer>(map, "zoom"));
zoomLabel.setOutputMarkupId(true);
add(zoomLabel);
boundsLabel = new MultiLineLabel("bounds", new PropertyModel<GLatLngBounds>(map, "bounds"))
{
private static final long serialVersionUID = 1L;
@Override
public IConverter getConverter(@SuppressWarnings( "rawtypes") Class type)
{
if (GLatLngBounds.class.isAssignableFrom(type))
{
return new IConverter()
{
private static final long serialVersionUID = 1L;
@Override
public GLatLngBounds convertToObject(String value, Locale locale)
{
throw new UnsupportedOperationException();
}
@Override
public String convertToString(Object value, Locale locale)
{
GLatLngBounds bounds = (GLatLngBounds) value;
StringBuffer buffer = new StringBuffer();
buffer.append("NE (");
buffer.append(bounds.getNE().getLat());
buffer.append(",");
buffer.append(bounds.getNE().getLng());
buffer.append(")\nSW (");
buffer.append(bounds.getSW().getLat());
buffer.append(",");
buffer.append(bounds.getSW().getLng());
buffer.append(")");
return buffer.toString();
}
};
}
return super.getConverter(type);
}
};
boundsLabel.setOutputMarkupId(true);
add(boundsLabel);
final Label enabledLabel = new Label("enabled", new Model<Boolean>()
{
private static final long serialVersionUID = 1L;
@Override
public Boolean getObject()
{
return map.getBehaviors().contains(moveEndBehavior);
}
});
enabledLabel.add(new AjaxEventBehavior("onclick")
{
private static final long serialVersionUID = 1L;
@Override
protected void onEvent(AjaxRequestTarget target)
{
if (map.getBehaviors().contains(moveEndBehavior))
{
map.remove(moveEndBehavior);
}
else
{
// AbstractAjaxBehaviors are not reusable, so we have
// to recreate:
// https://issues.apache.org/jira/browse/WICKET-713
moveEndBehavior = new MyDragEndListener();
map.add(moveEndBehavior);
map.update();
}
target.add(map);
target.add(enabledLabel);
}
});
add(enabledLabel);
}
private class MyDragEndListener extends DragEndListener
{
private static final long serialVersionUID = 1L;
@Override
protected void onDragEnd(AjaxRequestTarget target)
{
target.add(zoomLabel);
target.add(boundsLabel);
}
}
}