/** 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);
}
/**
* Inserts a FigureEnumeration of figures and translates them by the given offset. This function
* is used to insert figures from clipboards (cut/copy)
*
* @return enumeration which has been added to the drawing. The figures in the enumeration can
* have changed during adding them (e.g. they could have been decorated).
*/
public FigureEnumeration insertFigures(FigureEnumeration fe, int dx, int dy, boolean bCheck) {
if (fe == null) {
return FigureEnumerator.getEmptyEnumeration();
}
List vCF = CollectionsFactory.current().createList(10);
InsertIntoDrawingVisitor visitor = new InsertIntoDrawingVisitor(drawing());
while (fe.hasNextFigure()) {
Figure figure = fe.nextFigure();
if (figure instanceof ConnectionFigure) {
vCF.add(figure);
} else if (figure != null) {
figure.moveBy(dx, dy);
figure.visit(visitor);
}
}
FigureEnumeration ecf = new FigureEnumerator(vCF);
while (ecf.hasNextFigure()) {
ConnectionFigure cf = (ConnectionFigure) ecf.nextFigure();
Figure sf = cf.startFigure();
Figure ef = cf.endFigure();
if (figureExists(sf, drawing().figures())
&& figureExists(ef, drawing().figures())
&& (!bCheck || cf.canConnect(sf, ef))) {
if (bCheck) {
Point sp = sf.center();
Point ep = ef.center();
Connector fStartConnector = cf.startFigure().connectorAt(ep.x, ep.y);
Connector fEndConnector = cf.endFigure().connectorAt(sp.x, sp.y);
if (fEndConnector != null && fStartConnector != null) {
cf.connectStart(fStartConnector);
cf.connectEnd(fEndConnector);
cf.updateConnection();
}
}
cf.visit(visitor);
}
}
addToSelectionAll(visitor.getInsertedFigures());
return visitor.getInsertedFigures();
}
/** Tests whether a connection connects the same figures as another ConnectionFigure. */
public boolean connectsSame(ConnectionFigure other) {
return other.getStartConnector() == getStartConnector()
&& other.getEndConnector() == getEndConnector();
}