public GLink(
GElement source,
String sourceAnchorKey,
GElement target,
String targetAnchorKey,
int shape,
String pattern,
double flateness) {
this.source = source;
this.target = target;
this.sourceAnchorKey = sourceAnchorKey;
this.targetAnchorKey = targetAnchorKey;
this.shape = shape;
this.pattern = pattern;
initializeLink(flateness);
if (source == target) link.setDirection(new Vector2D(0, 1));
else link.setDirection(source.getPosition().sub(target.getPosition()));
setSourceTangentOffset(source.getDefaultAnchorOffset(sourceAnchorKey));
setTargetTangentOffset(target.getDefaultAnchorOffset(targetAnchorKey));
}
public void toggleShape() {
switch (shape) {
case SHAPE_ARC:
shape = SHAPE_ELBOW;
break;
case SHAPE_ELBOW:
shape = SHAPE_ARC;
break;
case SHAPE_BEZIER:
// Cannot toggle a bezier link
return;
}
double flateness = link.getFlateness();
Vector2D direction = link.getDirection();
link = createLinkInstance();
link.setFlateness(flateness);
link.setDirection(direction);
}
public void setMousePosition(Point mouse) {
link.setDirection(Vector2D.vector(mouse).sub(target.getPosition()));
link.setMousePosition(Vector2D.vector(mouse));
}