1// BEGIN LICENSE BLOCK
2// Version: CMPL 1.1
3//
4// The contents of this file are subject to the Cisco-style Mozilla Public
5// License Version 1.1 (the "License"); you may not use this file except
6// in compliance with the License.  You may obtain a copy of the License
7// at www.eclipse-clp.org/license.
8//
9// Software distributed under the License is distributed on an "AS IS"
10// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
11// the License for the specific language governing rights and limitations
12// under the License.
13//
14// The Original Code is  The ECLiPSe Constraint Logic Programming System.
15// The Initial Developer of the Original Code is  Cisco Systems, Inc.
16// Portions created by the Initial Developer are
17// Copyright (C) 2006 Cisco Systems, Inc.  All Rights Reserved.
18//
19// Contributor(s):
20//
21// END LICENSE BLOCK
22
23package com.parctechnologies.eclipse.visualisation;
24
25import java.util.*;
26import javax.swing.*;
27import java.awt.event.*;
28import java.beans.*;
29
30/**
31 * Set of selected viewlets. As well as implementing Collection, this is
32 * responsible for:
33 * <ul>
34 * <li> Setting the selected property true for Viewlets that "enter" the
35 * selection, and setting it to false when they leave.
36 * <li> Providing access to a set of "common" actions. Each member of this set
37 * is of the same class as an action in the actions of every viewlet in the
38 * selection. Furthermore, each common action is <em>compound</em> i.e. it
39 * applies to all viewlets in the selection.
40 * </ul>
41 */
42public interface ViewletSelection extends Collection, Cloneable
43{
44  // Return a collection of common actions.
45  // Each action in the collection is a compound
46  // action. There is one compound action in the collection
47  // for each action which is common to all viewlets in the selection.
48  public Collection getCommonActions();
49
50  // clone the selection
51  public Object clone() throws CloneNotSupportedException;
52}
53
54