/** Returns a FigureEnumeration of connectionfigures attached to this figure */
public FigureEnumeration getConnectionFigures(Figure inFigure) {
// If no figure or figure is non connectable, just return null
if (inFigure == null || !inFigure.canConnect()) {
return null;
}
// if (inFigure instanceof ConnectionFigure)
// return null;
List result = CollectionsFactory.current().createList(5);
FigureEnumeration figures = drawing().figures();
// Find all connection figures
while (figures.hasNextFigure()) {
Figure f = figures.nextFigure();
if ((f instanceof ConnectionFigure) && !(isFigureSelected(f))) {
ConnectionFigure cf = (ConnectionFigure) f;
if (cf.startFigure().includes(inFigure) || cf.endFigure().includes(inFigure)) {
result.add(f);
}
}
}
return new FigureEnumerator(result);
}
private Figure findConnectableFigure(int x, int y, Drawing drawing) {
FigureEnumeration fe = drawing.figuresReverse();
while (fe.hasNextFigure()) {
Figure figure = fe.nextFigure();
if (!figure.includes(getConnection()) && figure.canConnect() && figure.containsPoint(x, y)) {
return figure;
}
}
return null;
}
/** Finds a connection end figure. */
protected Connector findConnectionTarget(int x, int y, Drawing drawing) {
Figure target = findConnectableFigure(x, y, drawing);
if ((target != null)
&& target.canConnect()
&& !target.includes(owner())
&& getConnection().canConnect(owner(), target)) {
return findConnector(x, y, target);
}
return null;
}
private Figure findConnectableFigure(int x, int y, Drawing drawing) {
FigureEnumeration k = drawing.figuresReverse();
while (k.hasMoreElements()) {
Figure figure = k.nextFigure();
if (!figure.includes(getConnection()) && figure.canConnect()) {
if (figure.containsPoint(x, y)) {
return figure;
}
}
}
return null;
}
private Connector findConnectionTarget(int x, int y, Drawing drawing) {
Figure target = findConnectableFigure(x, y, drawing);
if ((target != null)
&& target.canConnect()
&& target != fOriginalTarget
&& !target.includes(owner())
&& getConnection().canConnect(source().owner(), target)) {
return findConnector(x, y, target);
}
return null;
}