/*
 * @(#)ControlsSurface.java	1.1	99/09/07
 *
 * Copyright (c) 1998, 1999 by Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 * 
 * 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 AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE 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 SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 * 
 * This software is not designed or intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear
 * facility. Licensee represents and warrants that it will not use or
 * redistribute the Software for such purposes.
 */

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 };
}
