/*
 * @(#)ControlsSurface.java 1.8 04/07/26
 * 
 * Copyright (c) 2004 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * -Redistribution of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 * 
 * -Redistribution in binary form must reproduce the above copyright notice, 
 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of contributors may 
 * be used to endorse or promote products derived from this software without 
 * specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL 
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
 * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST 
 * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, 
 * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY 
 * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, 
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * 
 * You acknowledge that this software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of any
 * nuclear facility.
 */

/*
 * @(#)ControlsSurface.java 1.8 04/07/26
 */

package java2d;

import java.awt.Component;

/**
 * The class to utilize custom controls for a Demo.
 */
public abstract class ControlsSurface extends Surface implements CustomControlsContext {

    public void setControls(Component[] controls) {
        this.controls = controls;
    }
  
    public void setConstraints(String[] constraints) {
        this.constraints = constraints;
    }
    
    public String[] getConstraints() {
        return constraints;
    }

    public Component[] getControls() { 
        return controls;
    }

    public void handleThread(int state) {
        for (int i = 0; i < controls.length; i++) {
            if (state == CustomControlsContext.START) {
                if (controls[i] instanceof CustomControls) {
                    ((CustomControls) controls[i]).start();
                }
            } else if (state == CustomControlsContext.STOP) {
                if (controls[i] instanceof CustomControls) {
                    ((CustomControls) controls[i]).stop();
                }
            }
        }
    }

    private Component[] controls;
    private String[] constraints = { java.awt.BorderLayout.NORTH };
}