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package bjc.imgchain;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import javax.swing.JDesktopPane;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
public class ImgChain {
private final class LoadImageListener implements ActionListener {
@Override
public void actionPerformed(ActionEvent ev) {
JFileChooser jfc = new JFileChooser();
jfc.setMultiSelectionEnabled(true);
int res = jfc.showOpenDialog(desktop);
if (res != JFileChooser.APPROVE_OPTION) {
return;
}
for (File fle : jfc.getSelectedFiles()) {
ImgViewer view = new ImgViewer(ImgChain.this, fle);
if (view.isInitialized()) {
desktop.add(view);
view.setVisible(true);
}
}
}
}
private JDesktopPane desktop;
private Map<String, Image> imageRepo;
public static void main(String[] args) {
System.out.println("ImgChain Loading...");
ImgChain chn = new ImgChain();
chn.setupGUI();
}
public ImgChain() {
imageRepo = new HashMap<>();
}
private void setupGUI() {
JFrame frame = new JFrame("ImgChain v1");
frame.setLayout(new GridLayout(1, 1));
desktop = new JDesktopPane();
JMenuBar menu = setupMenubar(frame);
frame.setJMenuBar(menu);
frame.add(desktop);
frame.setSize(640, 480);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.setVisible(true);
}
private JMenuBar setupMenubar(JFrame frame) {
JMenuBar menu = new JMenuBar();
JMenu fileMenu = new JMenu("File");
fileMenu.setMnemonic('F');
JMenuItem aboutItem = new JMenuItem("About");
aboutItem.setMnemonic('A');
aboutItem.addActionListener((ev) -> {
JOptionPane.showMessageDialog(frame, "ImgChain v1\nDeveloped by Benjamin Culkin",
"About ImgChain", JOptionPane.INFORMATION_MESSAGE);
});
JMenuItem closeItem = new JMenuItem("Close");
closeItem.setMnemonic('C');
closeItem.addActionListener((ev) -> {
frame.dispose();
});
fileMenu.add(aboutItem);
fileMenu.addSeparator();
fileMenu.add(closeItem);
JMenu imageMenu = new JMenu("Images");
imageMenu.setMnemonic('I');
JMenuItem loadImage = new JMenuItem("Load Images...");
loadImage.setMnemonic('L');
loadImage.addActionListener(new LoadImageListener());
imageMenu.add(loadImage);
menu.add(fileMenu);
menu.add(imageMenu);
return menu;
}
public void addImage(String name, Image img) {
if (imageRepo.containsKey(name)) {
String msg = String.format("Are you sure you want to overwrite stored image '%s'?", name);
if (JOptionPane.showInternalConfirmDialog(desktop, msg) != JOptionPane.OK_OPTION) {
return;
}
}
imageRepo.put(name, img);
}
}
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