/** {@inheritDoc} */
@Override
public String getConstraints(IComponent pComponent) {
Node node = (Node) pComponent.getResource();
if (resource.getBottom() == node) {
return SOUTH;
} else if (resource.getCenter() == node) {
return CENTER;
} else if (resource.getLeft() == node) {
return WEST;
} else if (resource.getRight() == node) {
return EAST;
} else if (resource.getTop() == node) {
return NORTH;
}
return null;
}
/** {@inheritDoc} */
@Override
public void add(IComponent pComponent, Object pConstraints, int pIndex) {
if (pConstraints == null || CENTER.equals(pConstraints)) {
resource.setCenter((Node) pComponent.getResource());
} else if (EAST.equals(pConstraints)) {
resource.setRight((Node) pComponent.getResource());
} else if (NORTH.equals(pConstraints)) {
resource.setTop((Node) pComponent.getResource());
} else if (SOUTH.equals(pConstraints)) {
resource.setBottom((Node) pComponent.getResource());
} else if (WEST.equals(pConstraints)) {
resource.setLeft((Node) pComponent.getResource());
} else {
resource.setCenter((Node) pComponent.getResource());
}
BorderPane.setAlignment((Node) pComponent.getResource(), Pos.CENTER);
updateGaps();
}
/**
* Tries to remove the given {@link IComponent}, and returns {@code true} if that succeeded.
*
* @param pComponent the {@link IComponent} to remove.
* @return {@code true} if the given {@link IComponent} has been removed.
*/
private boolean tryRemove(IComponent pComponent) {
Node nodeToRemove = (Node) pComponent.getResource();
if (resource.getBottom() == nodeToRemove) {
resource.setBottom(null);
return true;
} else if (resource.getCenter() == nodeToRemove) {
resource.setCenter(null);
return true;
} else if (resource.getLeft() == nodeToRemove) {
resource.setLeft(null);
return true;
} else if (resource.getRight() == nodeToRemove) {
resource.setRight(null);
return true;
} else if (resource.getTop() == nodeToRemove) {
resource.setTop(null);
return true;
}
return false;
}