/**
* Shows a file-open selection dialog for the given working directory.
*
* @param aOwner the owning window to show the dialog in;
* @param aCurrentDirectory the working directory to start the dialog in, can be <code>null</code>
* .
* @return the selected file, or <code>null</code> if the user aborted the dialog.
*/
public static final File showFileOpenDialog(
final Window aOwner,
final String aCurrentDirectory,
final javax.swing.filechooser.FileFilter... aFileFilters) {
if (HostUtils.isMacOS()) {
final FileDialog dialog;
if (aOwner instanceof Dialog) {
dialog = new FileDialog((Dialog) aOwner, "Open file", FileDialog.LOAD);
} else {
dialog = new FileDialog((Frame) aOwner, "Open file", FileDialog.LOAD);
}
dialog.setDirectory(aCurrentDirectory);
if ((aFileFilters != null) && (aFileFilters.length > 0)) {
dialog.setFilenameFilter(new FilenameFilterAdapter(aFileFilters));
}
try {
dialog.setVisible(true);
final String selectedFile = dialog.getFile();
return selectedFile == null ? null : new File(dialog.getDirectory(), selectedFile);
} finally {
dialog.dispose();
}
} else {
final JFileChooser dialog = new JFileChooser();
dialog.setCurrentDirectory((aCurrentDirectory == null) ? null : new File(aCurrentDirectory));
for (javax.swing.filechooser.FileFilter filter : aFileFilters) {
dialog.addChoosableFileFilter(filter);
}
File result = null;
if (dialog.showOpenDialog(aOwner) == JFileChooser.APPROVE_OPTION) {
result = dialog.getSelectedFile();
}
return result;
}
}
/** Construct the TV object - that is, the main GUI for the program */
public TV(JFrame f, TD mod) {
super();
frm = f;
theTD = mod;
JButton b;
// Build the GUI
toolBar = new JToolBar();
toolBar.setFloatable(false);
toolBar.getAccessibleContext().setAccessibleName("File Toolbar");
toolBar.addSeparator();
b = addTool(toolBar, "Cut");
b = addTool(toolBar, "Copy");
b = addTool(toolBar, "Paste");
toolBar.addSeparator();
toolBar.putClientProperty("JToolBar.isRollover", Boolean.FALSE);
// The Slider
numSlider = new JSlider(JSlider.HORIZONTAL, 1, 40, 1);
numSlider.setPaintTicks(true);
numSlider.setPaintLabels(false);
numSlider.setMajorTickSpacing(10);
numSlider.setMinorTickSpacing(2);
numSlider.setExtent(1);
numSlider.addChangeListener(
new ChangeListener() {
public void stateChanged(ChangeEvent ce) {
// System.out.println("CHANGE: " + ce);
setQNumber(((JSlider) (ce.getSource())).getValue());
}
});
numSlider.setToolTipText("Slide to select question by number");
toolBar.add(numSlider);
// The Question# textfield
toolBar.add(numTF = new JTextField("01"));
numTF.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
String num = ((JTextField) e.getSource()).getText();
int n = Integer.parseInt(num.trim());
setQNumber(n);
}
});
numTF.setToolTipText("Type number to select question by number");
// The First Button
b = addTool(toolBar, "First");
b.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
setQNumber(1);
}
});
// The Previous Button
b = addTool(toolBar, "Previous");
b.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (getQNumber() <= 1) return;
setQNumber(getQNumber() - 1);
}
});
// The Next Button
b = addTool(toolBar, "Next");
b.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (getQNumber() >= getNumQuestions()) return;
setQNumber(getQNumber() + 1);
}
});
// The "Last" Button
b = addTool(toolBar, "Last");
b.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
setQNumber(getNumQuestions());
}
});
add(BorderLayout.NORTH, toolBar);
// Rest is a panel to hold the questions, one at a time.
questionsPanel = new JPanel();
questionsPanel.setLayout(myCardLayout = new CardLayout());
add(BorderLayout.SOUTH, questionsPanel);
fc = new FileDialog(frm);
fc.setFilenameFilter(
new FilenameFilter() {
public boolean accept(File ff, String fname) {
// System.out.println("accept("+fname+")");
// XXX TODO list of extentions, from properties.
return fname.endsWith(".xam");
}
});
TV.centre(fc);
}
