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Java > Open Source Codes > ca > mcgill > sable > soot > ui > KeysLabelProvider


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2004 Jennifer Lhotak
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 package ca.mcgill.sable.soot.ui;
21
22 import java.util.*;
23
24 import org.eclipse.jface.resource.ImageDescriptor;
25 import org.eclipse.jface.viewers.ILabelProviderListener;
26 import org.eclipse.jface.viewers.ITableLabelProvider;
27 import org.eclipse.swt.graphics.Color;
28 import org.eclipse.swt.graphics.GC;
29 import org.eclipse.swt.graphics.Image;
30 import org.eclipse.swt.graphics.RGB;
31
32 import ca.mcgill.sable.soot.SootPlugin;
33 import ca.mcgill.sable.soot.attributes.AnalysisKey;
34 import ca.mcgill.sable.soot.editors.ColorManager;
35
36 public class KeysLabelProvider implements ITableLabelProvider {
37
38     private HashMap images;
39     private ArrayList imageList;
40     /* (non-Javadoc)
41      * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
42      */
43     public Image getColumnImage(Object JavaDoc element, int columnIndex) {
44         AnalysisKey key = (AnalysisKey)element;
45         ColorManager colorManager = SootPlugin.getDefault().getColorManager();
46         RGB rgb = new RGB(key.getRed(), key.getGreen(), key.getBlue());
47         Color c = colorManager.getColor(rgb);
48         if (imageList == null){
49             imageList = new ArrayList();
50         }
51         if (images == null){
52             images = new HashMap();
53         }
54         Image image = null;
55         ImageDescriptor id = SootPlugin.getImageDescriptor("key.png");
56         if (!images.isEmpty()){
57             Iterator it = images.keySet().iterator();
58             while (it.hasNext()){
59                 RGB next = (RGB)it.next();
60                 if (next.red == key.getRed() && next.green == key.getGreen() && next.blue == key.getBlue()){
61                     image = (Image)images.get(next);
62                 }
63             }
64         }
65         if (image == null) {
66             image = id.createImage();
67             images.put(rgb, image);
68         }
69         GC gc = new GC(image);
70         gc.setBackground(c);
71         gc.fillRectangle(3,3,9,9);
72         gc.dispose();
73         
74         
75         return image;
76     }
77
78     public void dispose(){
79         if (images == null) return;
80         Iterator it2 = images.keySet().iterator();
81         while (it2.hasNext()){
82             ((Image)images.get(it2.next())).dispose();
83         }
84         images = null;
85     }
86     
87     /* (non-Javadoc)
88      * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
89      */
90     public String JavaDoc getColumnText(Object JavaDoc element, int columnIndex) {
91         return ((AnalysisKey)element).getKey();
92     }
93
94     /* (non-Javadoc)
95      * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
96      */
97     public void addListener(ILabelProviderListener listener) {
98
99     }
100
101     
102     /* (non-Javadoc)
103      * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
104      */
105     public boolean isLabelProperty(Object JavaDoc element, String JavaDoc property) {
106         return false;
107     }
108
109     /* (non-Javadoc)
110      * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
111      */
112     public void removeListener(ILabelProviderListener listener) {
113
114     }
115
116 }
117
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