/**
* Gets a Rectangle from {@link #getBox()} and returns the Point where a line from the center of
* the Rectangle to the Point <i>reference</i> intersects the Rectangle.
*
* @param reference The reference point
* @return The anchor location
*/
public Point getLocation(Point reference) {
Rectangle r = Rectangle.SINGLETON;
r.setBounds(getBox());
r.translate(-1, -1);
r.resize(1, 1);
getOwner().translateToAbsolute(r);
float centerX = r.x + 0.5f * r.width;
float centerY = r.y + 0.5f * r.height;
if (r.isEmpty() || (reference.x == (int) centerX && reference.y == (int) centerY))
return new Point((int) centerX, (int) centerY); // This avoids divide-by-zero
float dx = reference.x - centerX;
float dy = reference.y - centerY;
// r.width, r.height, dx, and dy are guaranteed to be non-zero.
float scale = 0.5f / Math.max(Math.abs(dx) / r.width, Math.abs(dy) / r.height);
dx *= scale;
dy *= scale;
centerX += dx;
centerY += dy;
return new Point(Math.round(centerX), Math.round(centerY));
}
private void setAnimationStatesForOtherMethods(
MethodBoxFigure figure, Rectangle rect1, Rectangle rect2) {
Rectangle invocationBounds = figure.getPartner().getBounds().getCopy();
rect1.y = invocationBounds.y;
rect2.y = invocationBounds.y;
rect1.x = rect2.x - 1; // kluge to avoid the rect1==rect2 continue in animation playback
rect1.height = rect2.height;
rect1.width = rect2.width;
}
public void relocate(CellEditor celleditor) {
if (celleditor == null) return;
Text text = (Text) celleditor.getControl();
Rectangle rect = fig.getClientArea(Rectangle.SINGLETON);
if (fig instanceof Label) rect = ((Label) fig).getTextBounds().intersect(rect);
fig.translateToAbsolute(rect);
org.eclipse.swt.graphics.Rectangle trim = text.computeTrim(0, 0, 0, 0);
rect.translate(trim.x, trim.y);
rect.width += trim.width;
rect.height += trim.height;
text.setBounds(rect.x, rect.y, rect.width, rect.height);
}
@Override
public void setAnimationStates(IFigure figure, Rectangle rect1, Rectangle rect2) {
if (figure.equals(getDeclarationFigure())) {
setAnimationStatesForNewDecl(rect1, rect2);
} else if (isCallToDifferentClass()
&& figure.equals(getInstanceOfDeclFigure().getChildrenContainer())) {
setAnimationStatesForInstanceChildrenContainer(figure, rect1, rect2);
} else if (isCallToDifferentClass()
&& figure instanceof MethodBoxFigure
&& MethodBoxModel.declaration == ((MethodBoxFigure) figure).getType()
&& ((MethodBoxFigure) figure).getPartner() != null) {
setAnimationStatesForOtherMethods((MethodBoxFigure) figure, rect1, rect2);
} else {
rect1.x = rect2.x;
rect1.y = rect2.y;
rect1.width = rect2.width;
rect1.height = rect2.height;
}
}
private void setAnimationStatesForNewDecl(Rectangle rect1, Rectangle rect2) {
if (isCallToDifferentClass()) {
Rectangle invocationFigBounds = getInvocationFigure().getBounds().getCopy();
rect1.x = invocationFigBounds.x;
rect1.y = invocationFigBounds.y;
rect1.width = rect2.width;
rect1.height = rect2.height;
rect2.y = invocationFigBounds.y;
} else if (isCallToSameClass()) {
rect1.x = rect2.x;
rect1.y = rect2.height / 2 + rect2.y;
rect1.width = rect2.width;
rect1.height = 0;
}
}
@Override
public void makeAdjustmentsForAnimationPlayback(
IFigure figure, Rectangle rect1, Rectangle rect2, Map<Object, Object> finalStates) {
if (!isCallToDifferentClass() || !figure.equals(getDeclarationFigure())) return;
Rectangle parentinstanceBounds =
(Rectangle) finalStates.get(getInstanceOfDeclFigure().getChildrenContainer());
rect2.x =
(parentinstanceBounds.x + parentinstanceBounds.x + parentinstanceBounds.width) / 2
- rect2.width / 2
- 1;
}
private void setAnimationStatesForInstanceChildrenContainer(
IFigure figure, Rectangle rect1, Rectangle rect2) {
Rectangle instanceFigBounds = getInstanceOfDeclFigure().getInstanceBox().getBounds().getCopy();
if (rect2.x + rect2.width < instanceFigBounds.x + instanceFigBounds.width)
rect2.width = instanceFigBounds.width;
rect2.height = LayoutUtil.getHeightToContainAllChildren(figure);
Rectangle invocationFigBounds = getInvocationFigure().getBounds().getCopy();
rect1.x = invocationFigBounds.x;
rect1.y = rect2.y;
rect1.width = rect2.width + rect2.x - invocationFigBounds.x;
rect1.height = rect2.height;
}
