TestUtilities.java

//----------------------------------------------------------------------------//
//                                                                            //
//                         T e s t U t i l i t i e s                          //
//                                                                            //
//----------------------------------------------------------------------------//
// <editor-fold defaultstate="collapsed" desc="hdr">                          //
//  Copyright (C) Hervé Bitteur 2000-2011. All rights reserved.               //
//  This software is released under the GNU General Public License.           //
//  Goto http://kenai.com/projects/audiveris to report bugs or suggestions.   //
//----------------------------------------------------------------------------//
// </editor-fold>
package omr.util;

import java.awt.*;
import javax.swing.*;

public class TestUtilities
{
    static int counter;

    //---------------//
    // getChildNamed //
    //---------------//
    public static Component getChildNamed (Component parent,
                                           String name)
    {
        // Debug line
        //System.out.println("Class: " + parent.getClass() +
        //              " Name: " + parent.getName());

        if (name.equals(parent.getName())) {
                return parent;
            }

        if (parent instanceof Container) {
            Component[] children = (parent instanceof JMenu) ?
                ((JMenu)parent).getMenuComponents() :
                ((Container)parent).getComponents();

            for (int i = 0; i < children.length; ++i) {
                Component child = getChildNamed(children[i], name);
                if (child != null) { return child; }
            }
        }

        return null;
    }

    //-----------------//
    // getChildIndexed //
    //-----------------//
    public static Component getChildIndexed (Component parent,
                                             String klass,
                                             int index)
    {
        counter = 0;

        // Step in only owned windows and ignore its components in JFrame
        if (parent instanceof Window) {
            Component[] children = ((Window)parent).getOwnedWindows();

            for (int i = 0; i < children.length; ++i) {
                // take only active windows
                if (children[i] instanceof Window &&
                    !((Window)children[i]).isActive()) { continue; }

                Component child = getChildIndexedInternal
                    (children[i], klass, index);
                if (child != null) { return child; }
            }
        }

        return null;
    }

    //-------------------------//
    // getChildIndexedInternal //
    //-------------------------//
    private static Component getChildIndexedInternal (Component parent,
                                                      String klass,
                                                      int index)
    {
        // Debug line
        //System.out.println("Class: " + parent.getClass() +
        //              " Name: " + parent.getName());

        if (parent.getClass().toString().endsWith(klass)) {
            if (counter == index) { return parent; }
            ++counter;
        }

        if (parent instanceof Container) {
            Component[] children = (parent instanceof JMenu) ?
                ((JMenu)parent).getMenuComponents() :
                ((Container)parent).getComponents();

            for (int i = 0; i < children.length; ++i) {
                Component child = getChildIndexedInternal
                    (children[i], klass, index);
                if (child != null) { return child; }
            }
        }

        return null;
    }

    private TestUtilities ()
    {
    }
}
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