/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2015 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.gwt.client.gfx.painter;
import org.geomajas.gwt.client.gfx.MapContext;
import org.geomajas.gwt.client.gfx.Paintable;
import org.geomajas.gwt.client.gfx.Painter;
import org.geomajas.gwt.client.map.MapModel;
import org.geomajas.gwt.client.widget.MapWidget;
import org.geomajas.gwt.client.widget.MapWidget.RenderGroup;
/**
* Actual painter for the {@link MapModel} object. Prepares some groups, and sets the correct transformations. Also
* prepares a group for objects that are to be painted in world space. (the MapModel's WorldSpacePaintables)
*
* @author Pieter De Graef
*/
public class MapModelPainter implements Painter {
private MapWidget mapWidget;
public MapModelPainter(MapWidget mapWidget) {
this.mapWidget = mapWidget;
}
// -------------------------------------------------------------------------
// Painter implementation:
// -------------------------------------------------------------------------
public String getPaintableClassName() {
return MapModel.class.getName();
}
/**
* The actual painting function. Draws the basic groups.
*
* @param paintable
* A {@link org.geomajas.gwt.client.map.MapModel} object.
* @param group
* The group where the object resides in (optional).
* @param context
* A MapContext object, responsible for actual drawing.
*/
public void paint(Paintable paintable, Object group, MapContext context) {
// Group for objects in raster space
context.getRasterContext().drawGroup(null, mapWidget.getGroup(RenderGroup.RASTER),
mapWidget.getMapModel().getMapView()
.getPanToViewTranslation());
// Group for objects in vector space
context.getVectorContext().drawGroup(null, mapWidget.getGroup(RenderGroup.VECTOR),
mapWidget.getMapModel().getMapView().getPanToViewTranslation());
// Group for objects in world space
context.getVectorContext().drawGroup(null, mapWidget.getGroup(RenderGroup.WORLD),
mapWidget.getMapModel().getMapView().getPanToViewTranslation());
// Group for objects in screen space
context.getVectorContext().drawGroup(null, mapWidget.getGroup(RenderGroup.SCREEN));
}
/**
* Delete a {@link Paintable} object from the given {@link MapContext}. It the object does not exist, nothing
* will be done.
*
* @param paintable
* The MapModel
* @param group
* The group where the object resides in (optional).
* @param graphics
* The context to paint on.
*/
public void deleteShape(Paintable paintable, Object group, MapContext context) {
context.getRasterContext().deleteGroup(mapWidget.getGroup(RenderGroup.RASTER));
context.getVectorContext().deleteGroup(mapWidget.getGroup(RenderGroup.VECTOR));
context.getVectorContext().deleteGroup(mapWidget.getGroup(RenderGroup.WORLD));
context.getVectorContext().deleteGroup(mapWidget.getGroup(RenderGroup.SCREEN));
}
}