|
1
11 package org.eclipse.ui.internal.texteditor;
12
13 import java.util.HashSet  ;
14 import java.util.Set ;
15
16 import org.eclipse.swt.graphics.RGB;
17
18 import org.eclipse.jface.resource.ImageDescriptor;
19
20 import org.eclipse.jface.text.source.IAnnotationAccessExtension;
21 import org.eclipse.ui.texteditor.AnnotationPreference;
22 import org.eclipse.ui.texteditor.AnnotationPreferenceLookup;
23 import org.eclipse.ui.texteditor.IAnnotationImageProvider;
24
25
26 public class DelegatingAnnotationPreference extends AnnotationPreference {
27
28 private AnnotationType fType;
29 private AnnotationPreferenceLookup fLookup;
30 private Set fCache= new HashSet ();
31
32 public DelegatingAnnotationPreference(AnnotationType type, AnnotationPreferenceLookup lookup) {
33 fType= type;
34 fLookup= lookup;
35 }
36
37 private boolean isCached(Object attribute) {
38 return fCache.contains(attribute);
39 }
40
41 private void markCached(Object attribute) {
42 fCache.add(attribute);
43 }
44
45 private AnnotationPreference getDefiningPreference(Object attribute) {
46
47 AnnotationPreference p= fLookup.getAnnotationPreferenceFragment(fType.getType());
48 if (p != null && p.hasValue(attribute))
49 return p;
50
51 String [] superTypes= fType.getSuperTypes();
52 for (int i= 0; i < superTypes.length; i++) {
53 p= fLookup.getAnnotationPreferenceFragment(superTypes[i]);
54 if (p != null && p.hasValue(attribute))
55 return p;
56 }
57
58 return null;
59 }
60
61 private Object getAttributeValue(Object attribute) {
62 if (!isCached(attribute)) {
63 AnnotationPreference preference= getDefiningPreference(attribute);
64 if (preference != null)
65 setValue(attribute, preference.getValue(attribute));
66 markCached(attribute);
67 }
68 return getValue(attribute);
69 }
70
71 private boolean getBooleanAttributeValue(Object attribute) {
72 Object value= getAttributeValue(attribute);
73 if (value instanceof Boolean )
74 return ((Boolean ) value).booleanValue();
75 return false;
76 }
77
78
81 public Object getAnnotationType() {
82 return fType.getType();
83 }
84
85
88 public boolean contributesToHeader() {
89 return getBooleanAttributeValue(HEADER_VALUE);
90 }
91
92
95 public IAnnotationImageProvider getAnnotationImageProvider() {
96 if (!isCached(IMAGE_PROVIDER)) {
97 AnnotationPreference preference= getDefiningPreference(IMAGE_PROVIDER);
98 if (preference != null) {
99 fAnnotationImageProvider= preference.fAnnotationImageProvider;
100 fAnnotationImageProviderAttribute= preference.fAnnotationImageProviderAttribute;
101 fConfigurationElement= preference.fConfigurationElement;
102 }
103 markCached(IMAGE_PROVIDER);
104 }
105 return super.getAnnotationImageProvider();
106 }
107
108
111 public String getColorPreferenceKey() {
112 return (String ) getAttributeValue(COLOR_PREFERENCE_KEY);
113 }
114
115
118 public RGB getColorPreferenceValue() {
119 return (RGB) getAttributeValue(COLOR_PREFERENCE_VALUE);
120 }
121
122
125 public String getHighlightPreferenceKey() {
126 return (String ) getAttributeValue(HIGHLIGHT_PREFERENCE_KEY);
127 }
128
129
132 public boolean getHighlightPreferenceValue() {
133 return getBooleanAttributeValue(HIGHLIGHT_PREFERENCE_VALUE);
134 }
135
136
139 public ImageDescriptor getImageDescriptor() {
140 return (ImageDescriptor) getAttributeValue(IMAGE_DESCRIPTOR);
141 }
142
143
146 public ImageDescriptor getQuickFixImageDescriptor() {
147 return (ImageDescriptor) getAttributeValue(QUICK_FIX_IMAGE_DESCRIPTOR);
148 }
149
150
153 public String getIsGoToNextNavigationTargetKey() {
154 return (String ) getAttributeValue(IS_GO_TO_NEXT_TARGET_KEY);
155 }
156
157
160 public String getIsGoToPreviousNavigationTargetKey() {
161 return (String ) getAttributeValue(IS_GO_TO_PREVIOUS_TARGET_KEY);
162 }
163
164
167 public String getOverviewRulerPreferenceKey() {
168 return (String ) getAttributeValue(OVERVIEW_RULER_PREFERENCE_KEY);
169 }
170
171
174 public boolean getOverviewRulerPreferenceValue() {
175 return getBooleanAttributeValue(OVERVIEW_RULER_PREFERENCE_VALUE);
176 }
177
178
181 public String getPreferenceLabel() {
182 return (String ) getAttributeValue(PREFERENCE_LABEL);
183 }
184
185
188 public int getPresentationLayer() {
189 Object value= getAttributeValue(PRESENTATION_LAYER);
190 if (value instanceof Integer )
191 return ((Integer ) value).intValue();
192 return IAnnotationAccessExtension.DEFAULT_LAYER;
193 }
194
195
198 public String getShowInNextPrevDropdownToolbarActionKey() {
199 return (String ) getAttributeValue(SHOW_IN_NAVIGATION_DROPDOWN_KEY);
200 }
201
202
205 public String getSymbolicImageName() {
206 return (String ) getAttributeValue(SYMBOLIC_IMAGE_NAME);
207 }
208
209
212 public String getTextPreferenceKey() {
213 return (String ) getAttributeValue(TEXT_PREFERENCE_KEY);
214 }
215
216
219 public boolean getTextPreferenceValue() {
220 return getBooleanAttributeValue(TEXT_PREFERENCE_VALUE);
221 }
222
223
226 public String getVerticalRulerPreferenceKey() {
227 return (String ) getAttributeValue(VERTICAL_RULER_PREFERENCE_KEY);
228 }
229
230
233 public boolean getVerticalRulerPreferenceValue() {
234 return getBooleanAttributeValue(VERTICAL_RULER_PREFERENCE_VALUE);
235 }
236
237
240 public boolean isGoToNextNavigationTarget() {
241 return getBooleanAttributeValue(IS_GO_TO_NEXT_TARGET_VALUE);
242 }
243
244
247 public boolean isGoToPreviousNavigationTarget() {
248 return getBooleanAttributeValue(IS_GO_TO_PREVIOUS_TARGET_VALUE);
249 }
250
251
254 public boolean isShowInNextPrevDropdownToolbarAction() {
255 return getBooleanAttributeValue(SHOW_IN_NAVIGATION_DROPDOWN_VALUE);
256 }
257
258 }
259 |
Popular Tags |
Java API By Example, From Geeks To Geeks.