Bug 267425 [Perspectives] problem with outline view and min/max
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/properties/PropertySheet.java
}
		return super.getViewAdapter(key);
	}
	/**
	 * Returns an <code>ISaveablePart</code> that delegates to the source part
	 * for the current page if it implements <code>ISaveablePart</code>, or
	 * <code>null</code> otherwise.
	 * 
	 * @return an <code>ISaveablePart</code> or <code>null</code>
	 * @since 3.2
	 */
	protected ISaveablePart getSaveablePart() {
		IWorkbenchPart part = getCurrentContributingPart();
		if (part instanceof ISaveablePart) {
			return (ISaveablePart) part;
		}
		return null;
	}
	
	/**
	 * @return whether this property sheet is currently pinned
	 * @since 3.4
	 */
	public boolean isPinned() {
		return pinPropertySheetAction != null && pinPropertySheetAction.isChecked();
	}
	/**
	 * {@inheritDoc}
	 * 
	 * @since 3.4