SASAPI

     1  /**
     2   * com.sekati.effects.AnimHandler
     3   * @version 1.0.5
     4   * @author jason m horwitz | sekati.com
     5   * Copyright (C) 2007  jason m horwitz, Sekat LLC. All Rights Reserved.
     6   * Released under the MIT License: http://www.opensource.org/licenses/mit-license.php
     7   */
     8  
     9  import com.sekati.display.BaseClip;
    10  import com.sekati.utils.ClassUtils;
    11  
    12  /**
    13   * Create an animation handler object to preserve 
    14   * the objects natural onEnterFrame event.
    15   */
    16  class com.sekati.effects.AnimHandler {
    17  
    18  	/**
    19  	 * Create a {@link com.sekati.display.BaseClip} onEnterFrame animation 
    20  	 * handler object for text effects. Only one anim handler per TextField;
    21  	 * old or running anim handlers are automatically removed and overwritten
    22  	 * to prevent animation overlaps.
    23  	 * @param tf (TextField) target text
    24  	 * @return MovieClip
    25  	 */
    26  	public static function create(tf:TextField):MovieClip {
    27  		var cName:String = "$__" + tf._name + "__anim__";
    28  		
    29  		var oldAnim:BaseClip = tf._parent[cName];
    30  		if (oldAnim) {
    31  			oldAnim.destroy( );
    32  		}
    33  		return ClassUtils.createEmptyMovieClip( com.sekati.display.BaseClip, tf._parent, cName );
    34  	}
    35  
    36  	/**
    37  	 * Destroy an animation.
    38  	 * @param tf (TextField) target text
    39  	 * @return Void
    40  	 */
    41  	public static function destroy(tf:TextField):Void {
    42  		var cName:String = "$__" + tf._name + "__anim__";
    43  		var oldAnim:BaseClip = tf._parent[cName];
    44  		if (oldAnim) {
    45  			oldAnim.onEnterFrame = null;
    46  			oldAnim.destroy( );
    47  		}		
    48  	}	
    49  
    50  	private function AnimHandler() {
    51  	}
    52  }