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   1 /*******************************************************************************
   2  * Copyright (c) 2002 International Business Machines Corp. and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v0.5
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v05.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  ******************************************************************************/
  11 package net.sourceforge.phpdt.internal.ui.actions;
  12
  13 import org.eclipse.jface.action.IMenuManager;
  14 import org.eclipse.jface.util.Assert;
  15 import org.eclipse.ui.IActionBars;
  16 import org.eclipse.ui.actions.ActionContext;
  17 import org.eclipse.ui.actions.ActionGroup;
  18
  19 public class CompositeActionGroup extends ActionGroup {
  20
  21         private ActionGroup[] fGroups;
  22
  23         public CompositeActionGroup() {
  24         }
  25
  26         public CompositeActionGroup(ActionGroup[] groups) {
  27                 setGroups(groups);
  28         }
  29
  30         protected void setGroups(ActionGroup[] groups) {
  31                 Assert.isTrue(fGroups == null);
  32                 Assert.isNotNull(groups);
  33                 fGroups = groups;
  34         }
  35
  36         public ActionGroup get(int index) {
  37                 if (fGroups == null)
  38                         return null;
  39                 return fGroups[index];
  40         }
  41
  42         public void addGroup(ActionGroup group) {
  43                 if (fGroups == null) {
  44                         fGroups = new ActionGroup[] { group };
  45                 } else {
  46                         ActionGroup[] newGroups = new ActionGroup[fGroups.length + 1];
  47                         System.arraycopy(fGroups, 0, newGroups, 0, fGroups.length);
  48                         newGroups[fGroups.length] = group;
  49                         fGroups = newGroups;
  50                 }
  51         }
  52
  53         public void dispose() {
  54                 super.dispose();
  55                 if (fGroups == null)
  56                         return;
  57                 for (int i = 0; i < fGroups.length; i++) {
  58                         fGroups[i].dispose();
  59                 }
  60         }
  61
  62         public void fillActionBars(IActionBars actionBars) {
  63                 super.fillActionBars(actionBars);
  64                 if (fGroups == null)
  65                         return;
  66                 for (int i = 0; i < fGroups.length; i++) {
  67                         fGroups[i].fillActionBars(actionBars);
  68                 }
  69         }
  70
  71         public void fillContextMenu(IMenuManager menu) {
  72                 super.fillContextMenu(menu);
  73                 if (fGroups == null)
  74                         return;
  75                 for (int i = 0; i < fGroups.length; i++) {
  76                         fGroups[i].fillContextMenu(menu);
  77                 }
  78         }
  79
  80         public void setContext(ActionContext context) {
  81                 super.setContext(context);
  82                 if (fGroups == null)
  83                         return;
  84                 for (int i = 0; i < fGroups.length; i++) {
  85                         fGroups[i].setContext(context);
  86                 }
  87         }
  88
  89         public void updateActionBars() {
  90                 super.updateActionBars();
  91                 if (fGroups == null)
  92                         return;
  93                 for (int i = 0; i < fGroups.length; i++) {
  94                         fGroups[i].updateActionBars();
  95                 }
  96         }
  97 }