package org.wicketstuff.openlayers3.component;
import org.apache.wicket.behavior.AttributeAppender;
import org.apache.wicket.markup.head.CssHeaderItem;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.panel.GenericPanel;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.request.resource.CssResourceReference;
import org.wicketstuff.openlayers3.api.util.Color;
/**
* Provides a marker that may be placed on a amp.
*/
public class Marker extends GenericPanel<Color> {
/**
* Creates a new instance.
*
* @param id
* Wicket element ID for the marker
* @param colorModel
* Model with the color of the marker
*/
public Marker(final String id, final IModel<Color> color) {
super(id, color);
}
@Override
protected void onInitialize() {
super.onInitialize();
add(new WebMarkupContainer("pin")
.add(new AttributeAppender("style", getBackgroundColorModel())));
}
@Override
public void renderHead(IHeaderResponse response) {
super.renderHead(response);
response.render(CssHeaderItem.forReference(new CssResourceReference(Marker.class,
"Marker.css")));
}
/**
* Returns a model with the CSS for specifying the marker color.
*
* @return Model with the CSS marker color
*/
private IModel<String> getBackgroundColorModel() {
return new AbstractReadOnlyModel<String>() {
public String getObject() {
return "background-color: " + getModelObject() + ";";
}
};
}
}