praktikum-holons/src/ui/view/BackgroundPopUp.java

package ui.view;

import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import org.eclipse.wb.swing.FocusTraversalOnArray;

import javafx.scene.image.Image;
import javafx.stage.FileChooser;

import java.awt.Component;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.awt.BorderLayout;
import javax.swing.JLabel;
import javax.swing.JRadioButton;
import javax.swing.BoxLayout;
import javax.swing.SwingConstants;
import java.awt.FlowLayout;
import java.awt.Choice;

/**
 * Popup for setting the Background Image for the current View.
 **/
public class BackgroundPopUp extends JDialog {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private final JTextField textPath = new JTextField("");
	private final JButton btnBrowse = new JButton("Browse");
	private JPanel panelImageRadio = new JPanel();

	private String path = "";
	private final JPanel panelBrowse = new JPanel();
	private final JPanel panelOK = new JPanel();
	private final JButton btnOK = new JButton("OK");
	private final JLabel lblImage = new JLabel();

	private double imgScale = 1;

	public BackgroundPopUp() {
		super((java.awt.Frame) null, true);
		this.setTitle("Set View Background");
		setBounds(100, 100, 400, 250);

		getContentPane().add(panelImageRadio, BorderLayout.CENTER);
		panelImageRadio.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
		lblImage.setHorizontalAlignment(SwingConstants.RIGHT);

		panelImageRadio.add(lblImage);
		getContentPane().add(panelBrowse, BorderLayout.NORTH);
		panelBrowse.add(btnBrowse);

		// Browse Row Functions
		btnBrowse.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				JFileChooser fileChooser = new JFileChooser();
				FileNameExtensionFilter filter = new FileNameExtensionFilter("png, jpg or jpeg", "png", "jpg", "jpeg");
				fileChooser.setFileFilter(filter);
				if (fileChooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
					textPath.setText(fileChooser.getSelectedFile().getPath());
					ImageIcon icon = new ImageIcon(textPath.getText());
					imgScale = Math.max(icon.getIconWidth(), icon.getIconHeight()) / 200;
					lblImage.setIcon(new ImageIcon(new ImageIcon(textPath.getText()).getImage().getScaledInstance(
							(int) (icon.getIconWidth() / imgScale), (int) (icon.getIconHeight() / imgScale),
							java.awt.Image.SCALE_SMOOTH)));
				}
			}
		});

		textPath.setEditable(false);

		panelBrowse.add(textPath);
		textPath.setColumns(20);
		panelImageRadio.setFocusTraversalPolicy(new FocusTraversalOnArray(new Component[] { btnBrowse, textPath }));

		getContentPane().add(panelOK, BorderLayout.SOUTH);

		panelOK.add(btnOK);

	}

}