org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/OverrideIndicatorImageProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010 Tomasz Wesolowski 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  *    Tomasz Wesolowski - initial API and implementation
  10  *******************************************************************************/
  11 package org.eclipse.cdt.internal.ui.editor;
  12
  13 import org.eclipse.jface.resource.ImageDescriptor;
  14 import org.eclipse.jface.text.source.Annotation;
  15 import org.eclipse.swt.graphics.Image;
  16 import org.eclipse.ui.texteditor.IAnnotationImageProvider;
  17
  18 import org.eclipse.cdt.internal.ui.CPluginImages;
  19
  20 /**
  21  * @author Tomasz Wesolowski
  22  *
  23  */
  24 public class OverrideIndicatorImageProvider implements
  25                 IAnnotationImageProvider {
  26
  27         private static final String OVERRIDE_IMG_DESC_ID = "CPluginImages.DESC_OBJS_OVERRIDES"; //$NON-NLS-1$
  28         private static final String IMPLEMENT_IMG_DESC_ID = "CPluginImages.DESC_OBJS_IMPLEMENTS"; //$NON-NLS-1$
  29         private static final String SHADOW_IMG_DESC_ID = "CPluginImages.DESC_OBJS_SHADOWS"; //$NON-NLS-1$
  30
  31         /* (non-Javadoc)
  32          * @see org.eclipse.ui.texteditor.IAnnotationImageProvider#getManagedImage(org.eclipse.jface.text.source.Annotation)
  33          */
  34         public Image getManagedImage(Annotation annotation) {
  35                 return null;
  36         }
  37
  38         /* (non-Javadoc)
  39          * @see org.eclipse.ui.texteditor.IAnnotationImageProvider#getImageDescriptorId(org.eclipse.jface.text.source.Annotation)
  40          */
  41         public String getImageDescriptorId(Annotation annotation) {
  42                 if (!isImageProviderFor(annotation)) {
  43                         return null;
  44                 }
  45                 switch (getAnnotationType(annotation)) {
  46                 case OverrideIndicatorManager.RESULT_OVERRIDES:
  47                         return OVERRIDE_IMG_DESC_ID;
  48                 case OverrideIndicatorManager.RESULT_IMPLEMENTS:
  49                         return IMPLEMENT_IMG_DESC_ID;
  50                 case OverrideIndicatorManager.RESULT_SHADOWS:
  51                         return SHADOW_IMG_DESC_ID;
  52                 }
  53                 assert false;
  54                 return null;
  55         }
  56
  57         /* (non-Javadoc)
  58          * @see org.eclipse.ui.texteditor.IAnnotationImageProvider#getImageDescriptor(java.lang.String)
  59          */
  60         public ImageDescriptor getImageDescriptor(String imageDescritporId) {
  61                 if (imageDescritporId.equals(OVERRIDE_IMG_DESC_ID)) {
  62                         return CPluginImages.DESC_OBJS_OVERRIDES;
  63                 } else if (imageDescritporId.equals(IMPLEMENT_IMG_DESC_ID)) {
  64                         return CPluginImages.DESC_OBJS_IMPLEMENTS;
  65                 } else if (imageDescritporId.equals(SHADOW_IMG_DESC_ID)) {
  66                         return CPluginImages.DESC_OBJS_SHADOWS;
  67                 }
  68                 assert false;
  69                 return null;
  70         }
  71
  72         private boolean isImageProviderFor(Annotation annotation) {
  73                 return annotation != null && OverrideIndicatorManager.OverrideIndicator.ANNOTATION_TYPE_ID.equals(annotation.getType());
  74         }
  75
  76         private int getAnnotationType(Annotation annotation) {
  77                 return ((OverrideIndicatorManager.OverrideIndicator)annotation).getIndicationType();
  78         }
  79
  80 }