org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/CWorkbenchAdapter.java

   1 /*******************************************************************************
   2  * Copyright (c) 2005, 2008 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *     QNX Software System
  11  *     Sergey Prigogin (Google)
  12  *******************************************************************************/
  13 package org.eclipse.cdt.internal.ui;
  14
  15 import org.eclipse.cdt.core.model.CModelException;
  16 import org.eclipse.cdt.core.model.ICElement;
  17 import org.eclipse.cdt.core.model.IParent;
  18 import org.eclipse.cdt.internal.ui.viewsupport.CElementImageProvider;
  19 import org.eclipse.cdt.ui.CElementLabelProvider;
  20 import org.eclipse.cdt.ui.CUIPlugin;
  21 import org.eclipse.jface.resource.ImageDescriptor;
  22 import org.eclipse.ui.model.IWorkbenchAdapter;
  23
  24 /**
  25  * An implementation of the IWorkbenchAdapter for CElements.
  26  */
  27 public class CWorkbenchAdapter implements IWorkbenchAdapter {
  28
  29         private static final Object[] fgEmptyArray = new Object[0];
  30         private CElementImageProvider fImageProvider;
  31         private CElementLabelProvider fLabelProvider;
  32
  33         public CWorkbenchAdapter() {
  34                 fImageProvider = new CElementImageProvider();
  35                 fLabelProvider = new CElementLabelProvider();
  36         }
  37
  38         /**
  39          * @see IWorkbenchAdapter#getChildren
  40          */
  41         public Object[] getChildren(Object o) {
  42                 if (o instanceof IParent) {
  43                         try {
  44                                 Object[] members = ((IParent) o).getChildren();
  45                                 if (members != null) {
  46                                         return members;
  47                                 }
  48                         } catch (CModelException e) {
  49                                 CUIPlugin.log(e);
  50                         }
  51                 }
  52                 return fgEmptyArray;
  53         }
  54
  55         /**
  56          * @see IWorkbenchAdapter#getImageDescriptor
  57          */
  58         public ImageDescriptor getImageDescriptor(Object element) {
  59                 if (element instanceof ICElement) {
  60                         return fImageProvider.getCImageDescriptor(
  61                                 (ICElement) element,
  62                                 CElementImageProvider.OVERLAY_ICONS | CElementImageProvider.SMALL_ICONS);
  63                 }
  64                 return null;
  65         }
  66
  67         /**
  68          * @see IWorkbenchAdapter#getLabel
  69          */
  70         public String getLabel(Object o) {
  71                 if (o instanceof ICElement) {
  72                         return fLabelProvider.getText(o);
  73                 }
  74                 return null;
  75         }
  76
  77         /**
  78          * @see IWorkbenchAdapter#getParent
  79          */
  80         public Object getParent(Object o) {
  81                 if (o instanceof ICElement) {
  82                         return ((ICElement) o).getParent();
  83                 }
  84                 return null;
  85         }
  86 }