private void addPainter(myjava.gui.syntax.Painter painter) {
EntryListPanel newPanel = new EntryListPanel(painter);
listPanelSet.add(newPanel);
centerPanel.add(newPanel, painter.getName());
painterComboBox.removeItemListener(painterChangeListener);
painterComboBox.removeAllItems();
for (EntryListPanel p : listPanelSet) {
painterComboBox.addItem(p.getPainter());
}
removedPainters.remove(painter);
painterComboBox.addItemListener(painterChangeListener);
}
public SyntaxTab() {
super(new BorderLayout(), "Syntax highlighting");
/*
* upper checkboxes
*/
JPanel upper = new JPanel(new GridLayout(2, 1, 0, 0));
upper.setOpaque(false);
upper.add(MyPanel.wrap(highlightSyntax));
upper.add(MyPanel.wrap(matchBracket));
highlightSyntax.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent ev) {
SyntaxTab.this.updateComponentStatus();
}
});
this.add(upper, BorderLayout.PAGE_START);
/*
* upper panel (painters)
*/
painterComboBox.setSelectedItem(myjava.gui.syntax.Painter.getCurrentInstance());
painterComboBox.setFont(f13);
if (isMetal) painterComboBox.setBackground(Color.WHITE);
painterComboBox.addItemListener(this.painterChangeListener);
JButton addPainter =
new MyButton("+") {
{
if (isMetal) {
this.setPreferredSize(new Dimension(28, 28));
}
}
@Override
public void actionPerformed(ActionEvent ev) {
String name;
do {
name =
JOptionPane.showInputDialog(
SyntaxTab.this, "Enter a name:", "Name", JOptionPane.QUESTION_MESSAGE);
} while (!myjava.gui.syntax.Painter.isValidPrompt(name, SyntaxTab.this));
if ((name != null) && (!name.isEmpty())) {
// name is valid, neither cancelled nor pressed enter directly
myjava.gui.syntax.Painter newPainter =
((myjava.gui.syntax.Painter) (painterComboBox.getSelectedItem()))
.newInstance(name);
addPainter(newPainter);
System.out.println("now set, should call listener");
painterComboBox.setSelectedItem(newPainter); // auto-call ItemListener(s)
}
}
};
JButton removePainter =
new MyButton("-") {
{
if (isMetal) {
this.setPreferredSize(new Dimension(28, 28));
}
}
@Override
public void actionPerformed(ActionEvent ev) {
myjava.gui.syntax.Painter painter =
(myjava.gui.syntax.Painter) (painterComboBox.getSelectedItem());
if (painter.equals(myjava.gui.syntax.Painter.getDefaultInstance())) {
JOptionPane.showMessageDialog(
SyntaxTab.this,
"The default painter cannot be removed.",
"Error",
JOptionPane.ERROR_MESSAGE);
} else {
int option =
JOptionPane.showConfirmDialog(
SyntaxTab.this,
"Remove painter \"" + painter.getName() + "\"?",
"Confirm",
JOptionPane.YES_NO_OPTION);
if (option == JOptionPane.YES_OPTION) {
// remove "painter"
removedPainters.add(painter);
painterComboBox.removeItemListener(painterChangeListener);
painterComboBox.setSelectedItem(myjava.gui.syntax.Painter.getDefaultInstance());
painterComboBox.removeItem(painter);
for (Iterator<EntryListPanel> it = listPanelSet.iterator(); it.hasNext(); ) {
EntryListPanel panel = it.next();
if (panel.getPainter().getName().equals(painter.getName())) {
System.out.println("removing, then break");
it.remove();
centerPanel.remove(panel);
break;
}
}
painterComboBox.addItemListener(painterChangeListener);
cardLayout.show(
centerPanel, myjava.gui.syntax.Painter.getDefaultInstance().getName());
}
}
}
};
// lower part
JPanel center = new JPanel(new BorderLayout());
JLabel selectLabel = new MyLabel("Selected painter:");
center.add(
MyPanel.wrap(MyPanel.CENTER, selectLabel, painterComboBox, addPainter, removePainter),
BorderLayout.PAGE_START);
componentSet.addAll(Arrays.asList(selectLabel, addPainter, removePainter));
center.add(centerPanel, BorderLayout.CENTER);
this.add(center, BorderLayout.CENTER);
cardLayout.show(centerPanel, myjava.gui.syntax.Painter.getCurrentInstance().getName());
}