RectanglePainter.java

/*
 * 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.gfx.paintable.Rectangle;
import org.geomajas.gwt.client.gfx.style.ShapeStyle;

/**
 * <p>
 * Painter implementation for rectangles.
 * </p>
 * 
 * @author Pieter De Graef
 * @author Jan De Moerloose
 */
public class RectanglePainter implements Painter {

	/**
	 * Return the class-name of the type of object this painter can paint.
	 * 
	 * @return Return the class-name as a string.
	 */
	public String getPaintableClassName() {
		return Rectangle.class.getName();
	}

	/**
	 * The actual painting function. Draws the circles with the object's id.
	 * 
	 * @param paintable
	 *            A {@link Rectangle} object.
	 * @param context
	 *            A MapContext object, responsible for actual drawing.
	 */
	public void paint(Paintable paintable, Object group, MapContext context) {
		Rectangle rectangle = (Rectangle) paintable;
		context.getVectorContext().drawRectangle(group, rectangle.getId(), rectangle.getBounds(),
				(ShapeStyle) rectangle.getStyle());
	}

	/**
	 * Delete a {@link Paintable} object from the given {@link MapContext}. It the object does not exist,
	 * nothing will be done.
	 * 
	 * @param paintable
	 *            The object to be painted.
	 * @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) {
		Rectangle rectangle = (Rectangle) paintable;
		context.getVectorContext().deleteElement(group, rectangle.getId());
	}
}