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    • boofcv.gui.image.SelectInputImageToolBar Maven / Gradle / Ivy

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    BoofCV is an open source Java library for real-time computer vision and robotics applications.

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    /*
 * Copyright (c) 2011-2016, Peter Abeles. All Rights Reserved.
 *
 * This file is part of BoofCV (http://boofcv.org).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package boofcv.gui.image;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;


/**
 * Provides a list of input images which can be selected by the user.  When a new image
 * is selected the listener will be notified.  The notification will spawn a new thread
 * automatically.
 *
 * @author Peter Abeles
 */
public class SelectInputImageToolBar extends JPanel implements ActionListener
{
	JComboBox imageMenu;
	java.util.List cookies = new ArrayList<>();

	Listener listener;

	public SelectInputImageToolBar( JComponent main ) {
		super( new BorderLayout());

		JToolBar toolbar = new JToolBar("Still draggable");
		toolbar.setFloatable(false);
		toolbar.setRollover(true);

		imageMenu = new JComboBox();
		imageMenu.addActionListener(this);

		toolbar.add(new JLabel("Image:"));
		toolbar.add(imageMenu);

		add(toolbar,BorderLayout.NORTH);
		add(main,BorderLayout.CENTER);
	}

	public void addImage( final String menuName , final Object cookie) {
		cookies.add(cookie);

		SwingUtilities.invokeLater(new Runnable() {
			public void run() {
				imageMenu.addItem(menuName);
			}});
	}

	public void setListener(Listener listener) {
		this.listener = listener;
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		if( listener == null )
			return;

		int index = imageMenu.getSelectedIndex();
		if( index < 0 )
			return;
		
		final Object cookie = cookies.get(imageMenu.getSelectedIndex());

		new Thread() {
			public void run() {
				listener.selectedImage(cookie);
			}
		}.start();
	}

	public void triggerEvent() {
		actionPerformed(null);
	}

	public static interface Listener
	{
		public void selectedImage( Object cookie );
	}
}
    
    
    
    

    




    
    
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