net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/actions/CompositeActionGroup.java

   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
  16 import org.eclipse.ui.IActionBars;
  17 import org.eclipse.ui.actions.ActionContext;
  18 import org.eclipse.ui.actions.ActionGroup;
  19
  20 public class CompositeActionGroup extends ActionGroup {
  21
  22         private ActionGroup[] fGroups;
  23
  24         public CompositeActionGroup() {
  25         }
  26
  27         public CompositeActionGroup(ActionGroup[] groups) {
  28                 setGroups(groups);
  29         }
  30
  31         protected void setGroups(ActionGroup[] groups) {
  32                 Assert.isTrue(fGroups == null);
  33                 Assert.isNotNull(groups);
  34                 fGroups= groups;
  35         }
  36
  37         public ActionGroup get(int index) {
  38                 if (fGroups == null)
  39                         return null;
  40                 return fGroups[index];
  41         }
  42
  43         public void addGroup(ActionGroup group) {
  44                 if (fGroups == null) {
  45                         fGroups= new ActionGroup[] { group };
  46                 } else {
  47                         ActionGroup[] newGroups= new ActionGroup[fGroups.length + 1];
  48                         System.arraycopy(fGroups, 0, newGroups, 0, fGroups.length);
  49                         newGroups[fGroups.length]= group;
  50                         fGroups= newGroups;
  51                 }
  52         }
  53
  54         public void dispose() {
  55                 super.dispose();
  56                 if (fGroups == null)
  57                         return;
  58                 for (int i= 0; i < fGroups.length; i++) {
  59                         fGroups[i].dispose();
  60                 }
  61         }
  62
  63         public void fillActionBars(IActionBars actionBars) {
  64                 super.fillActionBars(actionBars);
  65                 if (fGroups == null)
  66                         return;
  67                 for (int i= 0; i < fGroups.length; i++) {
  68                         fGroups[i].fillActionBars(actionBars);
  69                 }
  70         }
  71
  72         public void fillContextMenu(IMenuManager menu) {
  73                 super.fillContextMenu(menu);
  74                 if (fGroups == null)
  75                         return;
  76                 for (int i= 0; i < fGroups.length; i++) {
  77                         fGroups[i].fillContextMenu(menu);
  78                 }
  79         }
  80
  81         public void setContext(ActionContext context) {
  82                 super.setContext(context);
  83                 if (fGroups == null)
  84                         return;
  85                 for (int i= 0; i < fGroups.length; i++) {
  86                         fGroups[i].setContext(context);
  87                 }
  88         }
  89
  90         public void updateActionBars() {
  91                 super.updateActionBars();
  92                 if (fGroups == null)
  93                         return;
  94                 for (int i= 0; i < fGroups.length; i++) {
  95                         fGroups[i].updateActionBars();
  96                 }
  97         }
  98 }