Class Arrow

src/ch/hsr/ogv/view/Arrow.java:24–561

@author Simon Gwerder, Adrian Rieser @version OGV 3.1, May 2015

 *
 */
public class Arrow extends Group implements Selectable {

	protected static final int INIT_WIDTH = 2;
	protected static final int SELECTION_HELPER_WIDTH = 20;
	protected double width = INIT_WIDTH;
	protected static final Color SELECTION_COLOR = Color.DODGERBLUE;
	protected static final double EDGE_SPACING = 3;
	protected static final double LABEL_SPACING = 30;
	protected double startEndDistance;
	protected double rotateYAngle;
	protected double rotateXAngle;

	protected int arrowNumber = 1;
	protected int totalArrowNumber = 1;

	protected Point3D startPoint;
	protected Point3D endPoint;

	protected ArrowEdge arrowStart;
	protected ArrowEdge arrowEnd;

	protected ArrowLabel labelStartRight; // start multiplicity
	protected ArrowLabel labelStartLeft; // start role
	protected ArrowLabel labelEndRight; // end multiplicity
	protected ArrowLabel labelEndLeft; // end role

	protected RelationType type = RelationType.BIDIRECTED_ASSOCIATION;

	protected Box line;

	public static final Color DEFAULT_COLOR = Color.BLACK;
	protected Color color = DEFAULT_COLOR;
	protected ArrowSelection selection = null;
	protected List<Box> lineSelectionHelpers = new ArrayList<Box>();
	protected Box startSelectionHelper;
	protected Box endSelectionHelper;
	private boolean isSelected = false;

	public Arrow(Point3D startPoint, Point3D endPoint, RelationType type) {
		setPoints(startPoint, endPoint);
		this.type = type;
		buildArrow();
		drawArrow();
	}

	public Arrow(PaneBox startBox, Point3D endPoint, RelationType type) {
		setPoints(startBox, endPoint);
		this.type = type;
		buildArrow();
		drawArrow();
	}

	public Arrow(Point3D startPoint, PaneBox endBox, RelationType type) {
		setPoints(startPoint, endBox);
		this.type = type;
		buildArrow();
		drawArrow();
	}