MultipleOptionsModel.java

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

import java.util.List;

import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.main.App;
import org.geogebra.common.main.Localization;

public abstract class MultipleOptionsModel extends NumberOptionsModel {
	public static final int MAX_CHOICES = 200;
	private IComboListener listener;

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

	public abstract List<String> getChoiches(Localization loc);

	@Override
	public void updateProperties() {
		int value0 = getValueAt(0);
		boolean isEqual = true;

		for (int i = 0; i < getGeosLength(); i++) {
			if (value0 != getValueAt(i)) {
				isEqual = false;
			}
		}
		listener.setSelectedIndex(isEqual ? value0 : -1);
	}

	public void fillModes(Localization loc) {
		if (getListener() == null) {
			return;
		}

		if (getListener() instanceof GeoComboListener) {
			for (GeoElement geo : ((MultipleGeosModel) this)
					.getGeoChoiches(loc)) {
				((GeoComboListener) getListener()).addItem(geo);
			}
			return;
		}
		for (String item : getChoiches(loc)) {
			getListener().addItem(item);
		}
	}

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

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

}