/**
* Adds an actor as a child of this group, at a specific index. The actor is first removed from
* its parent group, if any.
*/
public void addActorAt(int index, Actor actor) {
actor.remove();
children.insert(index, actor);
actor.setParent(this);
actor.setStage(getStage());
childrenChanged();
}
/**
* Adds an actor as a child of this group. The actor is first removed from its parent group, if
* any.
*/
public void addActor(Actor actor) {
actor.remove();
children.add(actor);
actor.setParent(this);
actor.setStage(getStage());
childrenChanged();
}
/**
* Adds an actor as a child of this group, immediately before another child actor. The actor is
* first removed from its parent group, if any.
*/
public void addActorBefore(Actor actorBefore, Actor actor) {
actor.remove();
int index = children.indexOf(actorBefore, true);
children.insert(index, actor);
actor.setParent(this);
actor.setStage(getStage());
childrenChanged();
}
/**
* Removes an actor from this group. If the actor will not be used again and has actions, they
* should be {@link Actor#clearActions() cleared} so the actions will be returned to their {@link
* Action#setPool(com.badlogic.gdx.utils.Pool) pool}, if any. This is not done automatically.
*/
public boolean removeActor(Actor actor) {
if (!children.removeValue(actor, true)) return false;
Stage stage = getStage();
if (stage != null) stage.unfocus(actor);
actor.setParent(null);
actor.setStage(null);
childrenChanged();
return true;
}
/**
* Adds an actor as a child of this group, immediately after another child actor. The actor is
* first removed from its parent group, if any.
*/
public void addActorAfter(Actor actorAfter, Actor actor) {
actor.remove();
int index = children.indexOf(actorAfter, true);
if (index == children.size) children.add(actor);
else children.insert(index + 1, actor);
actor.setParent(this);
actor.setStage(getStage());
childrenChanged();
}
/** Removes all actors from this group. */
public void clear() {
Array<Actor> children = this.children;
for (int i = 0, n = children.size; i < n; i++) {
Actor child = children.get(i);
child.setStage(null);
child.setParent(null);
}
children.clear();
childrenChanged();
}
protected void setStage(Stage stage) {
super.setStage(stage);
Array<Actor> children = this.children;
for (int i = 0, n = children.size; i < n; i++) children.get(i).setStage(stage);
}