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1
11 package org.eclipse.ui.internal.texteditor.rulers;
12
13 import org.eclipse.core.runtime.Assert;
14 import org.eclipse.core.runtime.Platform;
15 import org.eclipse.core.runtime.content.IContentType;
16
17
23 public abstract class RulerColumnTarget {
24 public abstract boolean matchesEditorId(String  editorId);
25 public abstract boolean matchesContentType(IContentType contentType);
26 public abstract boolean matchesClass(Class clazz);
27
28
29 RulerColumnTarget() {
30 }
31
32 public static RulerColumnTarget createAllTarget() {
33 return new AllTarget();
34 }
35
36 public static RulerColumnTarget createOrTarget(RulerColumnTarget either, RulerColumnTarget or) {
37 Assert.isLegal(or != null || either != null);
38 if (either == null)
39 return or;
40 if (or == null)
41 return either;
42 return new OrTarget(either, or);
43 }
44
45 public static RulerColumnTarget createContentTypeTarget(String contentTypeId) {
46 return new ContentTypeTarget(contentTypeId);
47 }
48
49 public static RulerColumnTarget createEditorIdTarget(String editorId) {
50 return new EditorIdTarget(editorId);
51 }
52
53 public static RulerColumnTarget createClassTarget(String className) {
54 return new ClassTarget(className);
55 }
56 }
57
58 final class AllTarget extends RulerColumnTarget {
59 AllTarget() {
60 }
61
62 public boolean matchesContentType(IContentType contentType) {
63 return true;
64 }
65
66 public boolean matchesEditorId(String editorId) {
67 return true;
68 }
69
70 public boolean matchesClass(Class clazz) {
71 return true;
72 }
73
74 public String toString() {
75 return "All"; }
77 }
78
79 final class OrTarget extends RulerColumnTarget {
80 private final RulerColumnTarget fEither;
81 private final RulerColumnTarget fOr;
82
83 OrTarget(RulerColumnTarget either, RulerColumnTarget or) {
84 fEither= either;
85 fOr= or;
86 Assert.isLegal(either != null);
87 Assert.isLegal(or != null);
88 }
89
90 public boolean matchesContentType(IContentType contentType) {
91 return fEither.matchesContentType(contentType) || fOr.matchesContentType(contentType);
92 }
93
94 public boolean matchesEditorId(String editorId) {
95 return fEither.matchesEditorId(editorId) || fOr.matchesEditorId(editorId);
96 }
97
98 public boolean matchesClass(Class clazz) {
99 return fEither.matchesClass(clazz) || fOr.matchesClass(clazz);
100 }
101
102 public String toString() {
103 return fEither.toString() + " || " + fOr.toString(); }
105 }
106
107 final class EditorIdTarget extends RulerColumnTarget {
108 private final String fEditorId;
109
110 EditorIdTarget(String id) {
111 Assert.isLegal(id != null);
112 fEditorId= id;
113 }
114
115 public boolean matchesContentType(IContentType contentType) {
116 return false;
117 }
118
119 public boolean matchesEditorId(String editorId) {
120 return fEditorId.equals(editorId);
121 }
122
123 public boolean matchesClass(Class clazz) {
124 return false;
125 }
126
127 public String toString() {
128 return "editorID=" + fEditorId; }
130 }
131
132 final class ClassTarget extends RulerColumnTarget {
133 private final String fClassName;
134
135 ClassTarget(String className) {
136 Assert.isLegal(className != null);
137 fClassName= className;
138 }
139
140 public boolean matchesContentType(IContentType contentType) {
141 return false;
142 }
143
144 public boolean matchesEditorId(String editorId) {
145 return false;
146 }
147
148 public boolean matchesClass(Class clazz) {
149 Assert.isLegal(clazz != null);
150
151 do {
152 if (clazz.getName().equals(fClassName))
153 return true;
154 clazz= clazz.getSuperclass();
155 } while (clazz != null);
156
157 return false;
158 }
159
160 public String toString() {
161 return "class=" + fClassName; }
163 }
164
165 final class ContentTypeTarget extends RulerColumnTarget {
166 private final IContentType fContentType;
167
168 ContentTypeTarget(String contentTypeId) {
169 Assert.isLegal(contentTypeId != null);
170 fContentType= Platform.getContentTypeManager().getContentType(contentTypeId);
171 }
172
173 public boolean matchesContentType(IContentType contentType) {
174 return fContentType != null && contentType != null && contentType.isKindOf(fContentType);
175 }
176
177 public boolean matchesEditorId(String editorId) {
178 return false;
179 }
180
181 public boolean matchesClass(Class clazz) {
182 return false;
183 }
184
185 public String toString() {
186 return "contentType=" + fContentType; }
188 }
189 |
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