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1
19
20 package org.netbeans.modules.languages.features;
21
22 import java.util.HashMap  ;
23 import java.util.Iterator ;
24 import org.netbeans.api.languages.LanguagesManager;
25 import org.netbeans.api.languages.LanguagesManager;
26 import org.netbeans.api.languages.LanguagesManager;
27 import org.netbeans.api.languages.ParseException;
28 import java.awt.Color ;
29 import org.netbeans.api.lexer.Token;
30 import org.netbeans.api.lexer.TokenHierarchy;
31 import org.netbeans.editor.DrawContext;
32 import org.netbeans.editor.DrawLayer;
33 import org.netbeans.editor.MarkFactory;
34 import java.awt.*;
35 import java.util.Map ;
36 import org.netbeans.api.lexer.TokenHierarchy;
37 import org.netbeans.api.lexer.TokenSequence;
38 import org.netbeans.api.languages.ParseException;
39 import org.netbeans.modules.editor.NbEditorDocument;
40 import org.netbeans.modules.languages.Feature;
41 import org.netbeans.modules.languages.Feature;
42 import org.netbeans.modules.languages.Language;
43 import org.netbeans.modules.languages.LanguagesManagerImpl;
44 import org.netbeans.modules.languages.LanguagesManagerImpl;
45
46
47
51 public class MySecondDrawLayer implements DrawLayer {
52
53 private String mimeType;
54
55
56 public MySecondDrawLayer (String mimeType) {
57 this.mimeType = mimeType;
58 }
59
60 public String getName () {
61 return getClass ().getName ();
62 }
63
64 public boolean extendsEOL () {
65 return true;
66 }
67
68 public boolean extendsEmptyLine () {
69 return false;
70 }
71
72 public int getNextActivityChangeOffset (DrawContext ctx) {
73 return nextActivityChangeOffset;
74 }
75
76 private TokenSequence tokenSequence;
77
78 public void init (DrawContext ctx) {
79 TokenHierarchy th = TokenHierarchy.get (ctx.getEditorUI ().getDocument ());
80 if (th == null) return;
81 tokenSequence = th.tokenSequence ();
82 }
83
84 public int updateLineNumberContext (int lineNumber, DrawContext ctx) {
85 return lineNumber;
86 }
87
88 public String toString () {
89 return "Layer " + getClass (); }
91
92 public boolean isActive (DrawContext ctx, MarkFactory.DrawMark mark) {
93 setNextActivityChangeOffset (ctx.getTokenOffset () + ctx.getTokenLength ());
94 return true;
95 }
96
97 public void updateContext (DrawContext ctx) {
98 NbEditorDocument doc = (NbEditorDocument) ctx.getEditorUI ().getDocument ();
99 TokenHierarchy tokenHierarchy = TokenHierarchy.get (doc);
100 if (tokenHierarchy == null) return;
101 TokenSequence ts = tokenHierarchy.tokenSequence ();
102 mark (ts, ctx.getFragmentOffset (), ctx);
103 }
104
105
108 private int nextActivityChangeOffset = Integer.MAX_VALUE;
109
110 private void setNextActivityChangeOffset (int nextActivityChangeOffset) {
111 this.nextActivityChangeOffset = nextActivityChangeOffset;
112 }
113
114 private void mark (TokenSequence ts, int offset, DrawContext ctx) {
115 ts.move (offset);
116 if (!ts.moveNext ()) return;
117 Token token = ts.token ();
118 TokenSequence ts2 = ts.embedded ();
119 if (ts2 == null) return;
120 String mimeTypeOut = ts.language ().mimeType ();
121 String mimeTypeIn = ts2.language ().mimeType ();
122 if (token.id ().name ().equals ("PE")) {
123 Color c = getPreprocessorImportsColor (mimeTypeIn);
124 if (c != null) ctx.setBackColor (c);
125 } else
126 if (!mimeTypeOut.equals (mimeTypeIn)) {
127 Color c = getTokenImportsColor (mimeTypeOut, mimeTypeIn, token.id ().name ());
128 if (c != null) ctx.setBackColor (c);
129 }
130 mark (ts2, offset, ctx);
131 }
132
133 private Map <String ,Map <String ,Color >> tokenImportColors = new HashMap <String ,Map <String ,Color >> ();
134
135 private Color getPreprocessorImportsColor (String mimeTypeIn) {
136 if (preprocessorImportColors == null) {
137 preprocessorImportColors = new HashMap <String ,Color > ();
138 try {
139 Language l = ((LanguagesManagerImpl) LanguagesManager.getDefault ()).
140 getLanguage (mimeType);
141 Feature properties = l.getPreprocessorImport ();
142 if (properties != null) {
143 String mimeType = (String ) properties.getValue ("mimeType");
144 Color color = ColorsManager.readColor (
145 (String ) properties.getValue ("background_color")
146 );
147 if (color != null)
148 preprocessorImportColors.put (mimeType, color);
149 }
150 } catch (ParseException ex) {
151 }
152 }
153 return preprocessorImportColors.get (mimeTypeIn);
154 }
155
156 private Map <String ,Color > preprocessorImportColors;
157
158 private Color getTokenImportsColor (String mimeTypeOut, String mimeTypeIn, String tokenTypeIn) {
159 Map <String ,Color > m = tokenImportColors.get (mimeTypeOut);
160 if (m == null) {
161 m = new HashMap <String ,Color > ();
162 tokenImportColors.put (mimeTypeOut, m);
163 try {
164 Language l = ((LanguagesManagerImpl) LanguagesManager.getDefault ()).
165 getLanguage (mimeTypeOut);
166 Map <String ,Feature> m2 = l.getTokenImports ();
167 Iterator <String > it = m2.keySet ().iterator ();
168 while (it.hasNext ()) {
169 String tokenType = it.next ();
170 Feature properties = m2.get (tokenType);
171 Color color = ColorsManager.readColor (
172 (String ) properties.getValue ("background_color")
173 );
174 if (color != null)
175 m.put (tokenType, color);
176 }
177 } catch (ParseException ex) {
178 }
179 }
180 if (m.containsKey (tokenTypeIn))
181 return m.get (tokenTypeIn);
182 return m.get (mimeTypeIn);
183 }
184 }
185
186
187 |
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