/**
* Locate an action (a menu item, actually) with the given id in the current menu bar and run it.
*
* @param actionId the action to find
* @return true if an action was found, false otherwise
*/
private boolean runAction(String actionId) {
MWindow window = app.getSelectedElement();
if (window == null) {
return false;
}
MMenu topMenu = window.getMainMenu();
MMenuItem item = findAction(actionId, topMenu);
if (item == null || !item.isEnabled()) {
return false;
}
try {
// disable the about and prefs items -- they shouldn't be
// able to be run when another item is being triggered
final Display display = Display.getDefault();
MenuItem aboutItem = null;
boolean aboutEnabled = true;
MenuItem prefsItem = null;
boolean prefsEnabled = true;
Menu appMenuBar = display.getMenuBar();
if (appMenuBar != null) {
aboutItem = findMenuItemById(appMenuBar, SWT.ID_ABOUT);
if (aboutItem != null) {
aboutEnabled = aboutItem.getEnabled();
aboutItem.setEnabled(false);
}
prefsItem = findMenuItemById(appMenuBar, SWT.ID_PREFERENCES);
if (prefsItem != null) {
prefsEnabled = prefsItem.getEnabled();
prefsItem.setEnabled(false);
}
}
try {
simulateMenuSelection(item);
} finally {
if (prefsItem != null) {
prefsItem.setEnabled(prefsEnabled);
}
if (aboutItem != null) {
aboutItem.setEnabled(aboutEnabled);
}
}
} catch (Exception e) {
// theoretically, one of
// SecurityException,Illegal*Exception,InvocationTargetException,NoSuch*Exception
// not expected to happen at all.
log(e);
// return false?
}
return true;
}
private void hookAppMenuItem(int menuItemId, final String commandId) {
final Display display = Display.getDefault();
Menu[] menusToCheck = new Menu[] {display.getMenuBar(), display.getSystemMenu()};
for (Menu topLevelMenu : menusToCheck) {
if (topLevelMenu == null) {
continue;
}
MenuItem item = findMenuItemById(topLevelMenu, menuItemId);
if (item != null) {
item.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
if (runCommand(commandId) || runAction(commandId)) {
e.doit = false;
}
}
});
}
}
}