PointStyleModel.java

package org.geogebra.common.gui.dialog.options.model;

import org.geogebra.common.kernel.geos.GProperty;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoList;
import org.geogebra.common.kernel.geos.PointProperties;
import org.geogebra.common.main.App;
import org.geogebra.common.plugin.EuclidianStyleConstants;

public class PointStyleModel extends NumberOptionsModel {
	private IComboListener listener;

	public PointStyleModel(App app) {
		super(app);
	}

	private PointProperties getPointPropertiesAt(int index) {
		return (PointProperties) getObjectAt(index);
	}

	@Override
	public void updateProperties() {
		if (!hasGeos()) {
			return;
		}

		PointProperties geo0 = getPointPropertiesAt(0);
		if (listener == null) {
			return;
		}

		if ((geo0 == null) || (geo0.getPointStyle() == -1)) {
			// select default button
			listener.setSelectedIndex(EuclidianStyleConstants.POINT_STYLE_DOT);

		} else {
			// select custom button and set combo box selection
			listener.setSelectedIndex(geo0.getPointStyle());
		}

	}

	@Override
	public boolean checkGeos() {
		if (!hasGeos()) {
			return false;
		}
		return super.checkGeos();
	}

	@Override
	public boolean isValidAt(int index) {
		return match(getGeoAt(index));

	}

	/**
	 * Decides if geo is accepted for this model.
	 * 
	 * @param geo
	 *            The geo to match.
	 * @return if geo has point properties
	 */
	public static boolean match(GeoElement geo) {
		return !((geo.isGeoElement3D() && !(geo.isGeoPoint())) || // TODO add
																	// point
		// style to 3D
		// points
				(!geo.getGeoElementForPropertiesDialog().isGeoPoint()
						&& (!(geo.isGeoList()
								&& ((GeoList) geo).showPointProperties()))));
	}

	public boolean is3D() {
		for (int i = 0; i < getGeosLength(); i++) {
			GeoElement geo = getGeoAt(i);
			if (!(geo.isGeoPoint() && geo.isGeoElement3D())) {
				return false;
			}
		}
		return true;
	}

	@Override
	protected void apply(int index, int value) {
		PointProperties point = getPointPropertiesAt(index);
		point.setPointStyle(value);
		((GeoElement) point).updateVisualStyle(GProperty.POINT_STYLE);
		point.updateRepaint();
	}

	@Override
	protected int getValueAt(int index) {
		// not used
		return 0;// getPointPropertiesAt(index).getPointStyle();
	}

	@Override
	public PropertyListener getListener() {
		return listener;
	}

	public void setListener(IComboListener listener) {
		this.listener = listener;

	}

}