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1
11 package org.eclipse.jdt.internal.ui.wizards.buildpaths;
12
13 import java.util.ArrayList  ;
14
15 import org.eclipse.core.runtime.IPath;
16
17 import org.eclipse.swt.SWT;
18 import org.eclipse.swt.graphics.Color;
19 import org.eclipse.swt.graphics.Image;
20 import org.eclipse.swt.widgets.Display;
21
22 import org.eclipse.jface.resource.ImageRegistry;
23 import org.eclipse.jface.viewers.DecorationOverlayIcon;
24 import org.eclipse.jface.viewers.IColorProvider;
25 import org.eclipse.jface.viewers.IDecoration;
26 import org.eclipse.jface.viewers.LabelProvider;
27
28 import org.eclipse.ui.ISharedImages;
29 import org.eclipse.ui.PlatformUI;
30
31 import org.eclipse.jdt.internal.corext.util.Messages;
32
33 import org.eclipse.jdt.internal.ui.JavaPlugin;
34 import org.eclipse.jdt.internal.ui.JavaPluginImages;
35 import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
36
37
38 public class CPVariableElementLabelProvider extends LabelProvider implements IColorProvider {
39
40 private Image fJARImage;
42 private Image fFolderImage;
43 private Color fResolvedBackground;
44
45 private Image fDeprecatedJARImage;
46 private Image fDeprecatedFolderImage;
47
48 private boolean fHighlightReadOnly;
49
50 public CPVariableElementLabelProvider(boolean highlightReadOnly) {
51 ImageRegistry reg= JavaPlugin.getDefault().getImageRegistry();
52 fJARImage= reg.get(JavaPluginImages.IMG_OBJS_EXTJAR);
53 fFolderImage= PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER);
54
55 fDeprecatedJARImage= new DecorationOverlayIcon(fJARImage, JavaPluginImages.DESC_OVR_DEPRECATED, IDecoration.TOP_LEFT).createImage();
56 fDeprecatedFolderImage= new DecorationOverlayIcon(fFolderImage, JavaPluginImages.DESC_OVR_DEPRECATED, IDecoration.TOP_LEFT).createImage();
57
58 fHighlightReadOnly= highlightReadOnly;
59 fResolvedBackground= null;
60 }
61
62
65 public Image getImage(Object element) {
66 if (element instanceof CPVariableElement) {
67 CPVariableElement curr= (CPVariableElement) element;
68 IPath path= curr.getPath();
69 if (path.toFile().isFile()) {
70 return curr.isDeprecated() ? fDeprecatedJARImage : fJARImage;
71 }
72 return curr.isDeprecated() ? fDeprecatedFolderImage : fFolderImage;
73 }
74 return super.getImage(element);
75 }
76
77
80 public String getText(Object element) {
81 if (element instanceof CPVariableElement) {
82 CPVariableElement curr= (CPVariableElement)element;
83 String name= curr.getName();
84 IPath path= curr.getPath();
85
86 String result= name;
87 ArrayList restrictions= new ArrayList (2);
88
89 if (curr.isReadOnly() && fHighlightReadOnly) {
90 restrictions.add(NewWizardMessages.CPVariableElementLabelProvider_read_only);
91 }
92 if (curr.isDeprecated()) {
93 restrictions.add(NewWizardMessages.CPVariableElementLabelProvider_deprecated);
94 }
95 if (restrictions.size() == 1) {
96 result= Messages.format(NewWizardMessages.CPVariableElementLabelProvider_one_restriction, new Object [] {result, restrictions.get(0)});
97 } else if (restrictions.size() == 2) {
98 result= Messages.format(NewWizardMessages.CPVariableElementLabelProvider_two_restrictions, new Object [] {result, restrictions.get(0), restrictions.get(1)});
99 }
100
101 if (path != null) {
102 String appendix;
103 if (!path.isEmpty()) {
104 appendix= path.toOSString();
105 } else {
106 appendix= NewWizardMessages.CPVariableElementLabelProvider_empty;
107 }
108 result= Messages.format(NewWizardMessages.CPVariableElementLabelProvider_appendix, new Object [] {result, appendix});
109 }
110
111 return result;
112 }
113
114
115 return super.getText(element);
116 }
117
118
121 public Color getForeground(Object element) {
122 return null;
123 }
124
125
128 public Color getBackground(Object element) {
129 if (element instanceof CPVariableElement) {
130 CPVariableElement curr= (CPVariableElement) element;
131 if (fHighlightReadOnly && curr.isReadOnly()) {
132 if (fResolvedBackground == null) {
133 Display display= Display.getCurrent();
134 fResolvedBackground= display.getSystemColor(SWT.COLOR_INFO_BACKGROUND);
135 }
136 return fResolvedBackground;
137 }
138 }
139 return null;
140 }
141
142
145 public void dispose() {
146 super.dispose();
147 fDeprecatedFolderImage.dispose();
148 fDeprecatedJARImage.dispose();
149 }
150
151 }
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