GeoAxis3D.java

package org.geogebra.common.geogebra3D.kernel3D.geos;

import org.geogebra.common.awt.GColor;
import org.geogebra.common.euclidian.EuclidianViewInterfaceSlim;
import org.geogebra.common.kernel.Construction;
import org.geogebra.common.kernel.StringTemplate;
import org.geogebra.common.kernel.Matrix.Coords;
import org.geogebra.common.kernel.kernelND.GeoAxisND;
import org.geogebra.common.main.settings.EuclidianSettings;
import org.geogebra.common.plugin.GeoClass;

/**
 * Coordinate axis for 3D view
 *
 */
public class GeoAxis3D extends GeoLine3D implements GeoAxisND {

	private int type;

	// for numbers and ticks
	private int ticksize = 5; // TODO

	/**
	 * @param cons
	 *            construction
	 */
	public GeoAxis3D(Construction cons) {
		super(cons);
	}

	@Override
	public int getType() {
		return type;
	}

	/**
	 * @param c
	 *            construction
	 * @param type
	 *            0, 1, 2 for x, y, z axis
	 */
	public GeoAxis3D(Construction c, int type) {
		this(c);

		this.type = type;

		switch (type) {
		default:
		case X_AXIS_3D:
			setCoord(Coords.O, Coords.VX);
			label = "xAxis3D";
			setObjColor(GColor.RED);
			break;

		case Y_AXIS_3D:
			setCoord(Coords.O, Coords.VY);
			label = "yAxis3D";
			// setObjColor(Color.GREEN);
			setObjColor(GColor.DARK_GREEN);// (new
											// geogebra.awt.GColorD(0,0.5f,0));
			break;

		case Z_AXIS_3D:
			setCoord(Coords.O, Coords.VZ);
			label = "zAxis";
			setObjColor(GColor.BLUE);
			break;
		}

		setLabelSet(true);
		setFixed(true);
		setLabelVisible(false);
	}

	@Override
	public boolean isAvailableAtConstructionStep(int step) {
		// this method is overwritten
		// in order to make the axes available
		// in empty constructions too (for step == -1)
		return true;
	}

	@Override
	public boolean isDefined() {
		return true;
	}

	@Override
	public GeoClass getGeoClassType() {
		return GeoClass.AXIS3D;
	}

	@Override
	public String toValueString(StringTemplate tpl) {
		return label;
	}

	/**
	 * overrides GeoElement method : this is a "constant" element, so the label
	 * is set
	 */
	@Override
	public boolean isLabelSet() {
		return true;
	}

	@Override
	public String getUnitLabel() {
		// TODO Auto-generated method stub
		return "";
	}

	@Override
	public int getTickStyle() {
		// TODO Auto-generated method stub
		return 0;
	}

	@Override
	public boolean getShowNumbers() {
		// TODO Auto-generated method stub
		return true;
	}

	/**
	 * @return tick size
	 */
	@Override
	public int getTickSize() {
		return ticksize;
	}

	@Override
	public Coords getDirectionInD3() {
		return new Coords(0, 0, 1, 0);
	}

	@Override
	public boolean isAxis() {
		return true;
	}

	@Override
	public String getLabel(StringTemplate tpl) {
		if (tpl.isPrintLocalizedCommandNames()) {
			return getLoc().getPlain(label);
		}
		return label;

	}

	@Override
	public boolean isTraceable() {
		return false;
	}

	@Override
	final protected void getCoordsXML(StringBuilder sb) {
		// not needed here
	}

	@Override
	public boolean isRenameable() {
		return false;
	}

	@Override
	public final boolean isSelectionAllowed(EuclidianViewInterfaceSlim ev) {

		EuclidianSettings settings = ev == null
				? kernel.getApplication().getActiveEuclidianView().getSettings()
				: ev.getSettings();

		if (settings != null) {
			return settings.isSelectionAllowed(type);
		}

		return true;
	}
}