Bug 33216 Source actions in context menu on types inconsistency
1) select a type in the package explorer 2) bring up the context menu ->the source actions are shown in-line and the menu is huge. Given that we show a source submenu in other parts (e.g. the editor) and do the same for the refactoring actions we should also move the source actions into a submenu.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaOutlinePage.java
};
		JavaPlugin.getDefault().getPreferenceStore().addPropertyChangeListener(fPropertyChangeListener);
	}
   
	/**
	 * Returns the primary type of a compilation unit (has the same
	 * name as the compilation unit).
	 * 
	 * @param compilationUnit the compilation unit
	 * @return returns the primary type of the compilation unit, or
	 * <code>null</code> if is does not have one
	 */
	protected IType getMainType(ICompilationUnit compilationUnit) {
		String name= compilationUnit.getElementName();
		int index= name.indexOf('.');
		if (index != -1)
			name= name.substring(0, index);
		IType type= compilationUnit.getType(name);
		return type.exists() ? type : null;
	}
	/**
	 * Returns the primary type of a class file.
	 * 
	 * @param classFile the class file
	 * @return returns the primary type of the class file, or <code>null</code>
	 * if is does not have one
	 */
	protected IType getMainType(IClassFile classFile) {
		try {
			IType type= classFile.getType();