package controlP5;

/**
 * controlP5 is a processing gui library.
 *
 *  2006-2012 by Andreas Schlegel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General
 * Public License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA
 *
 * @author 		Andreas Schlegel (http://www.sojamo.de)
 * @modified	07/30/2015
 * @version		2.2.5
 *
 */

/**
 * The abstract class control behavior allows you to add custom behavior to controllers. Since it is
 * an abstract class it must be extended and method update() must be implemented in your custom
 * control behavior. how to use ControlBehavior please see the ControlP5behavior example in the
 * examples folder.
 * 
 * @example use/ControlP5behavior
 */
public abstract class ControlBehavior {

	protected Controller< ? > _myController;

	protected float value;

	protected boolean isActive = true;

	protected void init( Controller< ? > theController ) {
		_myController = theController;
	}

	/**
	 * Returns the controller this behavior is connected to.
	 * 
	 * @return Controller
	 */
	public Controller< ? > getController( ) {
		return _myController;
	}

	public float getValue( ) {
		return value;
	}

	public void setValue( float theValue ) {
		value = theValue;
		_myController.setValue( value );
	}

	/**
	 * When extending ControlBehavior, update() has to be overridden.
	 */
	public abstract void update( );

	/**
	 * (de)activate the behavior.
	 * 
	 * @param theFlag
	 *            boolean
	 */
	public void setActive( boolean theFlag ) {
		isActive = theFlag;
	}

	/**
	 * check if the behavior is active or not.
	 * 
	 * @return boolean
	 */
	public boolean isActive( ) {
		return isActive;
	}

	/**
	 * @exclude
	 * @return
	 */
	@Deprecated
	public float value( ) {
		return value;
	}

	/**
	 * @exclude
	 */
	@Deprecated
	public Controller< ? > controller( ) {
		return _myController;
	}
}
