| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ActionList |
|
| 5.142857142857143;5.143 |
| 1 | /* $Id: ActionList.java 17865 2010-01-12 20:45:26Z linus $ | |
| 2 | ***************************************************************************** | |
| 3 | * Copyright (c) 2009 Contributors - see below | |
| 4 | * All rights reserved. This program and the accompanying materials | |
| 5 | * are made available under the terms of the Eclipse Public License v1.0 | |
| 6 | * which accompanies this distribution, and is available at | |
| 7 | * http://www.eclipse.org/legal/epl-v10.html | |
| 8 | * | |
| 9 | * Contributors: | |
| 10 | * tfmorris | |
| 11 | ***************************************************************************** | |
| 12 | * | |
| 13 | * Some portions of this file was previously release using the BSD License: | |
| 14 | */ | |
| 15 | ||
| 16 | // Copyright (c) 2008 The Regents of the University of California. All | |
| 17 | // Rights Reserved. Permission to use, copy, modify, and distribute this | |
| 18 | // software and its documentation without fee, and without a written | |
| 19 | // agreement is hereby granted, provided that the above copyright notice | |
| 20 | // and this paragraph appear in all copies. This software program and | |
| 21 | // documentation are copyrighted by The Regents of the University of | |
| 22 | // California. The software program and documentation are supplied "AS | |
| 23 | // IS", without any accompanying services from The Regents. The Regents | |
| 24 | // does not warrant that the operation of the program will be | |
| 25 | // uninterrupted or error-free. The end-user understands that the program | |
| 26 | // was developed for research purposes and is advised not to rely | |
| 27 | // exclusively on the program for any reason. IN NO EVENT SHALL THE | |
| 28 | // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, | |
| 29 | // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, | |
| 30 | // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF | |
| 31 | // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF | |
| 32 | // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY | |
| 33 | // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 34 | // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE | |
| 35 | // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF | |
| 36 | // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, | |
| 37 | // UPDATES, ENHANCEMENTS, OR MODIFICATIONS. | |
| 38 | ||
| 39 | package org.argouml.uml.diagram.ui; | |
| 40 | ||
| 41 | import java.util.List; | |
| 42 | import java.util.Vector; | |
| 43 | ||
| 44 | import javax.swing.Action; | |
| 45 | import javax.swing.JMenu; | |
| 46 | import javax.swing.JMenuItem; | |
| 47 | ||
| 48 | import org.argouml.kernel.UmlModelMutator; | |
| 49 | ||
| 50 | /** | |
| 51 | * A specialist collection used for filtering the return from getPopUpActions | |
| 52 | * in FigNodeModelElement and FigEdgeModelElement. | |
| 53 | * This class should remain package scope as I imagine its lifetime to be | |
| 54 | * short (we need a better way of registering Actions with Figs) | |
| 55 | * | |
| 56 | * @author Bob Tarling | |
| 57 | */ | |
| 58 | class ActionList<E> extends Vector<E> { | |
| 59 | ||
| 60 | private final boolean readonly; | |
| 61 | ||
| 62 | /** | |
| 63 | * Construct an ActionList which filters modifying actions when | |
| 64 | * the readonly flag is set using initialList as the initial | |
| 65 | * content. | |
| 66 | * | |
| 67 | * @param initialList initial contents to use for list. | |
| 68 | * @param readOnly true if mutating actions should be filtered | |
| 69 | */ | |
| 70 | ActionList(List<? extends E> initialList, boolean readOnly) { | |
| 71 | 0 | super(initialList); |
| 72 | 0 | this.readonly = readOnly; |
| 73 | 0 | } |
| 74 | ||
| 75 | @Override | |
| 76 | public boolean add(E o) { | |
| 77 | 0 | if (readonly) { |
| 78 | 0 | if (isUmlMutator(o) ) { |
| 79 | 0 | return false; |
| 80 | 0 | } else if (o instanceof JMenu) { |
| 81 | 0 | o = (E) trimMenu((JMenu) o); |
| 82 | } | |
| 83 | } | |
| 84 | 0 | if (o != null) { |
| 85 | 0 | return super.add(o); |
| 86 | } else { | |
| 87 | 0 | return false; |
| 88 | } | |
| 89 | } | |
| 90 | ||
| 91 | @Override | |
| 92 | public void addElement(E o) { | |
| 93 | 0 | if (readonly) { |
| 94 | 0 | if (isUmlMutator(o)) { |
| 95 | 0 | return; |
| 96 | 0 | } else if (o instanceof JMenu) { |
| 97 | 0 | o = (E) trimMenu((JMenu) o); |
| 98 | } | |
| 99 | } | |
| 100 | 0 | if (o != null) { |
| 101 | 0 | super.addElement(o); |
| 102 | } | |
| 103 | 0 | } |
| 104 | ||
| 105 | @Override | |
| 106 | public void add(int index, E o) { | |
| 107 | 0 | if (readonly) { |
| 108 | 0 | if (isUmlMutator(o)) { |
| 109 | 0 | return; |
| 110 | 0 | } else if (o instanceof JMenu) { |
| 111 | 0 | o = (E) trimMenu((JMenu) o); |
| 112 | } | |
| 113 | } | |
| 114 | 0 | if (o != null) { |
| 115 | 0 | super.add(index, o); |
| 116 | } | |
| 117 | 0 | } |
| 118 | ||
| 119 | @Override | |
| 120 | public void insertElementAt(E o, int index) { | |
| 121 | 0 | if (readonly) { |
| 122 | 0 | if (isUmlMutator(o)) { |
| 123 | 0 | return; |
| 124 | 0 | } else if (o instanceof JMenu) { |
| 125 | 0 | o = (E) trimMenu((JMenu) o); |
| 126 | } | |
| 127 | } | |
| 128 | 0 | if (o != null) { |
| 129 | 0 | super.insertElementAt(o, index); |
| 130 | } | |
| 131 | 0 | } |
| 132 | ||
| 133 | /** | |
| 134 | * Trim out any menu items that have a UML model mutating action | |
| 135 | * @param menu the menu to be filtered | |
| 136 | * @return The trimmed menu or null if all contents trimmed out. | |
| 137 | */ | |
| 138 | private JMenu trimMenu(JMenu menu) { | |
| 139 | 0 | for (int i = menu.getItemCount() - 1; i >= 0; --i) { |
| 140 | 0 | JMenuItem menuItem = menu.getItem(i); |
| 141 | 0 | Action action = menuItem.getAction(); |
| 142 | 0 | if (action == null |
| 143 | && menuItem.getActionListeners().length > 0 | |
| 144 | && menuItem.getActionListeners()[0] instanceof Action) { | |
| 145 | 0 | action = (Action) menuItem.getActionListeners()[0]; |
| 146 | } | |
| 147 | 0 | if (isUmlMutator(action)) { |
| 148 | 0 | menu.remove(i); |
| 149 | } | |
| 150 | } | |
| 151 | 0 | if (menu.getItemCount() == 0) { |
| 152 | 0 | return null; |
| 153 | } | |
| 154 | 0 | return menu; |
| 155 | } | |
| 156 | ||
| 157 | /** | |
| 158 | * @param a An object (typically an Action) to test if its a UML model | |
| 159 | * mutator | |
| 160 | * @return true if the given action mutates the UML model. | |
| 161 | */ | |
| 162 | private boolean isUmlMutator(Object a) { | |
| 163 | 0 | return a instanceof UmlModelMutator |
| 164 | || a.getClass().isAnnotationPresent(UmlModelMutator.class); | |
| 165 | } | |
| 166 | } |