/* (non-Javadoc)
* @see org.eclipse.jface.action.IContributionItem#fill(org.eclipse.swt.widgets.Menu, int)
*/
public void fill(Menu parent, int index) {
if (menuItem == null || menuItem.isDisposed()) {
if (index >= 0) {
menuItem = new MenuItem(parent, SWT.CASCADE, index);
} else {
menuItem = new MenuItem(parent, SWT.CASCADE);
}
String text = getMenuText();
if (text != null) {
menuItem.setText(text);
}
if (image != null) {
LocalResourceManager localManager = new LocalResourceManager(JFaceResources.getResources());
menuItem.setImage(localManager.createImage(image));
disposeOldImages();
imageManager = localManager;
}
if (!menuExist()) {
menu = new Menu(parent);
menu.setData(MANAGER_KEY, this);
}
menuItem.setMenu(menu);
initializeMenu();
setDirty(true);
}
}
private void updateMenuItem() {
final MenuItem item = (MenuItem) this.widget;
final boolean shouldBeEnabled = isEnabled();
// disabled command + visibility follows enablement == disposed
if (item.isDisposed()) {
return;
}
String text = this.label;
text = updateMnemonic(text);
final String keyBindingText = null;
if (text != null) {
if (keyBindingText == null) {
item.setText(text);
} else {
item.setText(text + '\t' + keyBindingText);
}
}
if (item.getSelection() != this.checkedState) {
item.setSelection(this.checkedState);
}
if (item.getEnabled() != shouldBeEnabled) {
item.setEnabled(shouldBeEnabled);
}
}
private boolean isTopLevelMenu() {
if (menu != null && !menu.isDisposed() && menuItem != null && !menuItem.isDisposed()) {
Menu parentMenu = menuItem.getParent();
return parentMenu != null && ((parentMenu.getStyle() & SWT.BAR) == SWT.BAR);
}
return false;
}
/**
* Sets the default menu item to the argument or removes the default emphasis when the argument is
* <code>null</code>.
*
* @param item the default menu item or null
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the menu item has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setDefaultItem(MenuItem item) {
checkWidget();
if (item != null) {
if (item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if (item.parent != this) return;
OS.QMenu_setDefaultAction(handle, item.handle);
} else {
OS.QMenu_setDefaultAction(handle, 0);
}
}
void releaseChildren_pp(boolean destroy) {
MenuItem[] items = getItems();
for (int i = 0; i < items.length; i++) {
MenuItem item = items[i];
if (item != null && !item.isDisposed()) {
item.release(false);
}
}
super.releaseChildren_pp(destroy);
}
protected void disposeMenuItems() {
if (fMenu == null || fMenu.isDisposed()) {
return;
}
MenuItem[] items = fMenu.getItems();
for (int i = 0; i < items.length; i++) {
MenuItem menuItem = items[i];
if (!menuItem.isDisposed()) {
menuItem.dispose();
}
}
}
public void clearMenu() {
for (org.eclipse.swt.widgets.MenuItem item : menu.getItems()) {
if (!item.isDisposed()) {
item.dispose();
}
}
if (isIconReloadEnqueued) {
IconFactory.getInstance().cleanup();
IconFactory.getInstance().loadResources();
isIconReloadEnqueued = false;
}
}
/**
* Updates the menu item for this sub menu. The menu item is disabled if this sub menu is empty.
* Does nothing if this menu is not a submenu.
*/
private void updateMenuItem() {
/*
* Commented out until proper solution to enablement of
* menu item for a sub-menu is found. See bug 30833 for
* more details.
*
if (menuItem != null && !menuItem.isDisposed() && menuExist()) {
IContributionItem items[] = getItems();
boolean enabled = false;
for (int i = 0; i < items.length; i++) {
IContributionItem item = items[i];
enabled = item.isEnabled();
if(enabled) break;
}
// Workaround for 1GDDCN2: SWT:Linux - MenuItem.setEnabled() always causes a redraw
if (menuItem.getEnabled() != enabled)
menuItem.setEnabled(enabled);
}
*/
// Partial fix for bug #34969 - diable the menu item if no
// items in sub-menu (for context menus).
if (menuItem != null && !menuItem.isDisposed() && menuExist()) {
boolean enabled = removeAllWhenShown || menu.getItemCount() > 0;
// Workaround for 1GDDCN2: SWT:Linux - MenuItem.setEnabled() always causes a redraw
if (menuItem.getEnabled() != enabled) {
// We only do this for context menus (for bug #34969)
Menu topMenu = menu;
while (topMenu.getParentMenu() != null) {
topMenu = topMenu.getParentMenu();
}
if ((topMenu.getStyle() & SWT.BAR) == 0) {
menuItem.setEnabled(enabled);
}
}
}
}
/**
* The default implementation of this <code>IContributionItem</code> method does nothing.
* Subclasses may override.
*/
@Override
public void dispose() {
if (subMenuItem != null && !subMenuItem.isDisposed()) {
subMenuItem.dispose();
}
}
