Previewable.java

package org.geogebra.common.euclidian;

import org.geogebra.common.awt.GGraphics2D;
import org.geogebra.common.kernel.geos.GeoElement;

/**
 * @author Markus Hohenwarter
 */
public interface Previewable {
	/** updates preview */
	public void updatePreview();

	/**
	 * Updates preview for new mouse coords
	 * 
	 * @param x
	 *            mouse x
	 * @param y
	 *            mouse y
	 */
	public void updateMousePos(double x, double y);

	/**
	 * Draws preview on given graphics
	 * 
	 * @param g2
	 *            graphics
	 */
	public void drawPreview(GGraphics2D g2);

	/**
	 * Called when preview is not needed anymore
	 */
	public void disposePreview();

	/**
	 * @return the geo linked to this
	 */
	public GeoElement getGeoElement();

}