/**
 * Tests that the Top Level Elements
 */
@Test
public void testTopLevelElementsEntryNoDuplicates() {
	IActionBars actionBars = projectExplorer.getViewSite().getActionBars();
	IMenuManager menuManager = actionBars.getMenuManager();

	int topLevelElementsEntriesFound = 0;

	for (IContributionItem item : menuManager.getItems()) {
		if (item instanceof MenuManager) {
			String escapedMenuText = LegacyActionTools.removeMnemonics(((MenuManager) item).getMenuText());
			if (escapedMenuText.equals("Top Level Elements")) {
				topLevelElementsEntriesFound++;
			}
		}
	}

	assertEquals("There was more than one 'Top Level Elements' entry in the navigator action bar.",
			topLevelElementsEntriesFound, 1);
}
 

/**
 * Returns the menu contribution titles of the project navigator context menu.
 *
 * This only includes {@link ActionContributionItem}s and {@link MenuManager}s.
 */
private List<String> getContextMenuContributions() {
	MenuManager menu = new MenuManager();
	projectExplorer.getNavigatorActionService().fillContextMenu(menu);
	return Arrays.asList(menu.getItems()).stream()
			.map(i -> {
				if (i instanceof ActionContributionItem) {
					// use action name
					return ((ActionContributionItem) i).getAction().getText();
				} else if (i instanceof MenuManager) {
					// use sub-menu title
					return ((MenuManager) i).getMenuText();
				} else {
					// null for other types of contributions
					return null;
				}
			})
			.filter(t -> null != t)
			// remove mnemonics (e.g. Close &Project -> Close Project))
			.map(text -> LegacyActionTools.removeMnemonics(text))
			.collect(Collectors.toList());
}
 

/**
 * Stores the button and its mnemonic in {@link #fMnemonicButtonMap}.
 *
 * @param button
 *            button whose mnemonic has to be stored
 */
private void storeButtonWithMnemonicInMap(Button button) {
    char mnemonic = LegacyActionTools.extractMnemonic(button.getText());
    if (mnemonic != LegacyActionTools.MNEMONIC_NONE) {
        fMnemonicButtonMap.put(new Character(Character.toLowerCase(mnemonic)), button);
    }
}
 

/**
 * Constructs a new instance of PreferenceTreeNode according to the parameters.
 * <p>
 * The <code>label</code> and the <code>key</code> must not be <code>null</code> if the node
 * has a corresponding UI control.
 * </p>
 * 
 * @param label the label text
 * @param key the key
 * @param controlType the type of UI control.
 * @param showAllChildren tells whether all children should be shown even if just one child
 *            matches the filter.
 */
public PreferenceTreeNode(String label, Key key, int controlType, boolean showAllChildren) {
	super();
	if (controlType != NONE && (label == null || key == null)) {
		throw new IllegalArgumentException();
	}
	if (label == null) {
		label= ""; //$NON-NLS-1$
	}
	fLabel= LegacyActionTools.removeMnemonics(label);
	fKey= key;
	fControlType= controlType;
	fShowAllChildren= showAllChildren;
}
 

public static String removeMnemonicIndicator(String string) {
	return LegacyActionTools.removeMnemonics(string);
}
 

/**
 * Sets the given text and image to the label.
 *
 * @param text
 *            the new text or null
 * @param image
 *            the new image
 */
private void doRefresh(String text, Image image) {
	if ( text != null ) {
		text = LegacyActionTools.escapeMnemonics(text);
	}
	label.setText(text);
	label.setImage(image);
}
 

/**
 * Returns the name of the described extension
 * without mnemonic hint in order to be displayed
 * in a message.
 *
 * @return Returns the name
 */
public String getDisplayName() {
	return LegacyActionTools.removeMnemonics(fName);
}