private void addDropdown(RuleAction.Choices choices) {
final ToolItem combo = new ToolItem(mLayoutToolBar, SWT.DROP_DOWN);
URL iconUrl = choices.getIconUrl();
if (iconUrl != null) {
combo.setImage(IconFactory.getInstance().getIcon(iconUrl));
combo.setToolTipText(choices.getTitle());
} else {
combo.setText(choices.getTitle());
}
combo.setData(choices);
Listener menuListener =
new Listener() {
@Override
public void handleEvent(Event event) {
Menu menu = new Menu(mLayoutToolBar.getShell(), SWT.POP_UP);
RuleAction.Choices choices = (Choices) combo.getData();
List<URL> icons = choices.getIconUrls();
List<String> titles = choices.getTitles();
List<String> ids = choices.getIds();
String current =
choices.getCurrent() != null ? choices.getCurrent() : ""; // $NON-NLS-1$
for (int i = 0; i < titles.size(); i++) {
String title = titles.get(i);
final String id = ids.get(i);
URL itemIconUrl = icons != null && icons.size() > 0 ? icons.get(i) : null;
MenuItem item = new MenuItem(menu, SWT.CHECK);
item.setText(title);
if (itemIconUrl != null) {
Image itemIcon = IconFactory.getInstance().getIcon(itemIconUrl);
item.setImage(itemIcon);
}
boolean selected = id.equals(current);
if (selected) {
item.setSelection(true);
}
item.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
RuleAction.Choices choices = (Choices) combo.getData();
choices.getCallback().action(choices, getSelectedNodes(), id, null);
updateSelection();
}
});
}
Rectangle bounds = combo.getBounds();
Point location = new Point(bounds.x, bounds.y + bounds.height);
location = combo.getParent().toDisplay(location);
menu.setLocation(location.x, location.y);
menu.setVisible(true);
}
};
combo.addListener(SWT.Selection, menuListener);
}
