RunnableAction.java

/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.scenes.scene2d.actions;

import com.badlogic.gdx.scenes.scene2d.Action;

/**
 * An action that runs a {@link Runnable}. Alternatively, the {@link #run()} method can be overridden instead of setting
 * a runnable.
 * 
 * @author Nathan Sweet
 */
public class RunnableAction extends Action {
	private Runnable runnable;
	private boolean ran;

	public boolean act(float delta) {
		if (!ran) {
			run();
			ran = true;
		}
		return true;
	}

	/** Called to run the runnable. */
	public void run() {
		runnable.run();
	}

	public void restart() {
		ran = false;
	}

	public void reset() {
		super.reset();
		runnable = null;
	}

	public Runnable getRunnable() {
		return runnable;
	}

	public void setRunnable(Runnable runnable) {
		this.runnable = runnable;
	}
}