InternalClassFileEditorInput


1   /*******************************************************************************
2    * Copyright (c) 2000, 2007 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  
12  package org.eclipse.jdt.internal.ui.javaeditor;
13  
14  
15  import org.eclipse.jface.resource.ImageDescriptor;
16  
17  import org.eclipse.ui.IMemento;
18  import org.eclipse.ui.IPersistableElement;
19  
20  import org.eclipse.jdt.core.IClassFile;
21  import org.eclipse.jdt.core.JavaModelException;
22  
23  import org.eclipse.jdt.internal.ui.JavaPluginImages;
24  
25  
26  /**
27   * Class file considered as editor input.
28   */
29  public class InternalClassFileEditorInput implements IClassFileEditorInput, IPersistableElement {
30  
31      private IClassFile fClassFile;
32  
33      public InternalClassFileEditorInput(IClassFile classFile) {
34          fClassFile= classFile;
35      }
36  
37      /*
38       * @see Object#equals(Object)
39       */
40      public boolean equals(Object   obj) {
41          if (this == obj)
42              return true;
43          if (!(obj instanceof InternalClassFileEditorInput))
44              return false;
45          InternalClassFileEditorInput other= (InternalClassFileEditorInput) obj;
46          return fClassFile.equals(other.fClassFile);
47      }
48  
49      /*
50       * @see Object#hashCode
51       */
52      public int hashCode() {
53          return fClassFile.hashCode();
54      }
55  
56      /*
57       * @see IClassFileEditorInput#getClassFile()
58       */
59      public IClassFile getClassFile() {
60          return fClassFile;
61      }
62  
63      /*
64       * @see IEditorInput#getPersistable()
65       */
66      public IPersistableElement getPersistable() {
67          return this;
68      }
69  
70      /*
71       * @see IEditorInput#getName()
72       */
73      public String   getName() {
74          return fClassFile.getElementName();
75      }
76  
77      /*
78       * @see IEditorInput#getToolTipText()
79       */
80      public String   getToolTipText() {
81          return fClassFile.getType().getFullyQualifiedName();
82      }
83  
84      /*
85       * @see IEditorInput#getImageDescriptor()
86       */
87      public ImageDescriptor getImageDescriptor() {
88          try {
89              if (fClassFile.isClass())
90                  return JavaPluginImages.DESC_OBJS_CFILECLASS;
91              return JavaPluginImages.DESC_OBJS_CFILEINT;
92          } catch (JavaModelException e) {
93              // fall through
94          }
95          return JavaPluginImages.DESC_OBJS_CFILE;
96      }
97  
98      /*
99       * @see IEditorInput#exists()
100      */
101     public boolean exists() {
102         return fClassFile.exists();
103     }
104 
105     /*
106      * @see IAdaptable#getAdapter(Class)
107      */
108     public Object   getAdapter(Class   adapter) {
109         if (adapter == IClassFile.class)
110             return fClassFile;
111         return fClassFile.getAdapter(adapter);
112     }
113 
114     /*
115      * @see IPersistableElement#saveState(IMemento)
116      */
117     public void saveState(IMemento memento) {
118         ClassFileEditorInputFactory.saveState(memento, this);
119     }
120 
121     /*
122      * @see IPersistableElement#getFactoryId()
123      */
124     public String   getFactoryId() {
125         return ClassFileEditorInputFactory.ID;
126     }
127 }
128 
129 
130
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