protected void setSimpleDisplayUpdate() {
view().setDisplayUpdate(new SimpleUpdateStrategy());
fUpdateButton.setText("Simple Update");
fSimpleUpdate = true;
}
protected void setBufferedDisplayUpdate() {
view().setDisplayUpdate(new BufferedUpdateStrategy());
fUpdateButton.setText("Buffered Update");
fSimpleUpdate = false;
}
/**
* Creates the buttons shown in the buttons panel. Override to add additional buttons.
*
* @param panel the buttons panel.
*/
protected void createButtons(JPanel panel) {
panel.add(new Filler(24, 20));
JComboBox drawingChoice = new JComboBox();
drawingChoice.addItem(fgUntitled);
String param = getParameter("DRAWINGS");
if (param == null) {
param = "";
}
StringTokenizer st = new StringTokenizer(param);
while (st.hasMoreTokens()) {
drawingChoice.addItem(st.nextToken());
}
// offer choice only if more than one
if (drawingChoice.getItemCount() > 1) {
panel.add(drawingChoice);
} else {
panel.add(new JLabel(fgUntitled));
}
drawingChoice.addItemListener(
new ItemListener() {
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
loadDrawing((String) e.getItem());
}
}
});
panel.add(new Filler(6, 20));
JButton button;
button = new CommandButton(new DeleteCommand("Delete", this));
panel.add(button);
button = new CommandButton(new DuplicateCommand("Duplicate", this));
panel.add(button);
button = new CommandButton(new GroupCommand("Group", this));
panel.add(button);
button = new CommandButton(new UngroupCommand("Ungroup", this));
panel.add(button);
button = new JButton("Help");
button.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
showHelp();
}
});
panel.add(button);
fUpdateButton = new JButton("Simple Update");
fUpdateButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
if (fSimpleUpdate) {
setBufferedDisplayUpdate();
} else {
setSimpleDisplayUpdate();
}
}
});
}