public void actionPerformed(ActionEvent e) {
JFrame fileFrame = new JFrame();
JPanel filePanel = new JPanel();
JFileChooser fileChooser = new JFileChooser();
fileFrame.getContentPane().add(filePanel);
filePanel.add(fileChooser);
fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
int result = fileChooser.showOpenDialog(filePanel);
if (result != JFileChooser.APPROVE_OPTION) {
msg = new JLabel("No file selected");
panel.add(msg);
return;
}
File datafile = fileChooser.getSelectedFile();
initialized = readFile(datafile);
panel.update(panel.getGraphics());
frame.pack();
frame.setVisible(true);
}
public void showPage(JPanel _p) {
mainPanel.removeAll();
mainPanel.add(_p, BorderLayout.CENTER);
mainPanel.update(mainPanel.getGraphics());
VEWController2.this.pack();
}