SourceElementQualifierProvider


1   /*******************************************************************************
2    * Copyright (c) 2000, 2005 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   *******************************************************************************/
11  package org.eclipse.jdt.internal.debug.ui.launcher;
12  
13  
14  import java.io.File  ;
15  import java.util.zip.ZipFile  ;
16  
17  import org.eclipse.core.resources.IResource;
18  import org.eclipse.core.runtime.IPath;
19  import org.eclipse.core.runtime.Path;
20  import org.eclipse.debug.core.sourcelookup.containers.LocalFileStorage;
21  import org.eclipse.debug.core.sourcelookup.containers.ZipEntryStorage;
22  import org.eclipse.jdt.core.IJavaElement;
23  import org.eclipse.jdt.launching.IRuntimeClasspathEntry;
24  import org.eclipse.jdt.launching.JavaRuntime;
25  import org.eclipse.jdt.ui.JavaElementLabelProvider;
26  import org.eclipse.jdt.ui.JavaUI;
27  import org.eclipse.jface.viewers.ILabelProvider;
28  import org.eclipse.jface.viewers.LabelProvider;
29  import org.eclipse.swt.graphics.Image;
30  import org.eclipse.ui.ISharedImages;
31  import org.eclipse.ui.PlatformUI;
32  
33  /**
34   * A label provider for source element qualifiers found with a JavaSourceLocator
35   */
36  public class SourceElementQualifierProvider extends LabelProvider implements ILabelProvider {
37      
38      private JavaElementLabelProvider fJavaLabels;
39  
40      /* (non-Javadoc)
41       * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
42       */
43      public String   getText(Object   element) {
44          if (element instanceof IJavaElement) {
45              IJavaElement parent = ((IJavaElement)element).getParent();
46              return fJavaLabels.getText(parent);
47          } else if (element instanceof ZipEntryStorage) {
48              ZipEntryStorage storage = (ZipEntryStorage)element;
49              ZipFile   zipFile = storage.getArchive();
50              IPath path = new Path(zipFile.getName());
51              IRuntimeClasspathEntry entry = JavaRuntime.newArchiveRuntimeClasspathEntry(path);
52              IResource res = entry.getResource();
53              if (res == null) {
54                  // external
55                  return zipFile.getName();
56              }
57              // internal
58              return res.getName();
59          } else if (element instanceof LocalFileStorage) {
60              LocalFileStorage storage = (LocalFileStorage)element;
61              File   extFile = storage.getFile();
62              return extFile.getParent();
63          }
64          return super.getText(element);
65      }
66      
67      /* (non-Javadoc)
68       * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
69       */
70      public Image getImage(Object   element) {
71          if (element instanceof IJavaElement) {
72              IJavaElement parent = ((IJavaElement)element).getParent();
73              return fJavaLabels.getImage(parent);
74          } else if (element instanceof ZipEntryStorage) {
75              return JavaUI.getSharedImages().getImage(org.eclipse.jdt.ui.ISharedImages.IMG_OBJS_JAR_WITH_SOURCE);
76          } else if (element instanceof LocalFileStorage) {
77              return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER);
78          }
79          return super.getImage(element);
80      }
81  
82      /**
83       * Constructs a new label provider
84       */
85      public SourceElementQualifierProvider() {
86          super();
87          fJavaLabels = new JavaElementLabelProvider();
88      }
89  
90      /* (non-Javadoc)
91       * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
92       */
93      public void dispose() {
94          super.dispose();
95          fJavaLabels.dispose();
96          fJavaLabels = null;
97      }
98  }
99
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