Bug 184597 [Contributions] ActionContributionItem should show accelerator text even if accelerator cannot be parsed
bundles/org.eclipse.jface/src/org/eclipse/jface/action/ActionContributionItem.java
handleWidgetDispose(event);
						break;
					case SWT.Selection:
						Widget ew = event.widget;
						if (ew != null) {
							handleWidgetSelection(event, ((MenuItem) ew)
									.getSelection());
						}
						break;
					}
				}
			};
		}
		return menuItemListener;
	}
	/**
	 * Returns the presentation mode, which is the bitwise-or of the
	 * <code>MODE_*</code> constants. The default mode setting is 0, meaning
	 * that for menu items, both text and image are shown (if present), but for
	 * tool items, the text is shown only if there is no image.
	 * 
	 * @return the presentation mode settings
	 * 
	 * @since 3.0
	 */
	public int getMode() {
		return mode;
	}
	/**
	 * Returns the listener for SWT tool item widget events.