bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/editor2/SCLPresentationReconciler.java

   1 package org.simantics.scl.ui.editor2;\r
   2 \r
   3 import org.eclipse.jface.resource.FontDescriptor;\r
   4 import org.eclipse.jface.resource.ResourceManager;\r
   5 import org.eclipse.jface.text.IDocument;\r
   6 import org.eclipse.jface.text.TextAttribute;\r
   7 import org.eclipse.jface.text.presentation.PresentationReconciler;\r
   8 import org.eclipse.jface.text.rules.DefaultDamagerRepairer;\r
   9 import org.eclipse.jface.text.rules.IRule;\r
  10 import org.eclipse.jface.text.rules.ITokenScanner;\r
  11 import org.eclipse.jface.text.rules.IWhitespaceDetector;\r
  12 import org.eclipse.jface.text.rules.IWordDetector;\r
  13 import org.eclipse.jface.text.rules.RuleBasedScanner;\r
  14 import org.eclipse.jface.text.rules.Token;\r
  15 import org.eclipse.jface.text.rules.WhitespaceRule;\r
  16 import org.eclipse.jface.text.rules.WordRule;\r
  17 import org.eclipse.swt.SWT;\r
  18 import org.eclipse.swt.graphics.Font;\r
  19 import org.eclipse.swt.graphics.RGB;\r
  20 import org.simantics.scl.ui.info.SCLInfo;\r
  21 \r
  22 public class SCLPresentationReconciler extends PresentationReconciler {\r
  23     private static final FontDescriptor FONT_NORMAL = FontDescriptor.createFrom("Consolas", 10, SWT.NORMAL);\r
  24     private static final FontDescriptor FONT_BOLD = FontDescriptor.createFrom("Consolas", 10, SWT.BOLD);\r
  25     \r
  26     public SCLPresentationReconciler(ResourceManager resourceManager) {\r
  27         Font font = resourceManager.createFont(FONT_NORMAL);\r
  28         {\r
  29             DefaultDamagerRepairer dr = new DefaultDamagerRepairer(new SingleTokenScanner(new TextAttribute(\r
  30                     resourceManager.createColor(new RGB(63, 127, 95)),\r
  31                     null,\r
  32                     0,\r
  33                     font\r
  34                     )));\r
  35             setDamager(dr, SCLPartitionScanner.SCL_COMMENT);\r
  36             setRepairer(dr, SCLPartitionScanner.SCL_COMMENT);\r
  37         }\r
  38         {\r
  39             DefaultDamagerRepairer dr = new DefaultDamagerRepairer(new StringTokenScanner(new TextAttribute(\r
  40                     resourceManager.createColor(new RGB(42, 0, 255)),\r
  41                     null,\r
  42                     0,\r
  43                     font\r
  44                     )));\r
  45             setDamager(dr, SCLPartitionScanner.SCL_STRING);\r
  46             setRepairer(dr, SCLPartitionScanner.SCL_STRING);\r
  47         }\r
  48         {\r
  49             DefaultDamagerRepairer dr = new DefaultDamagerRepairer(getSclTokenScanner(resourceManager));\r
  50 \r
  51             setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);\r
  52             setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);\r
  53         }\r
  54     }\r
  55     \r
  56     private static ITokenScanner getSclTokenScanner(ResourceManager resourceManager) {\r
  57         RuleBasedScanner scanner = new RuleBasedScanner();\r
  58         \r
  59         Token defaultToken = new Token(\r
  60                 new TextAttribute(\r
  61                         resourceManager.createColor(new RGB(0, 0, 0)),\r
  62                         null,\r
  63                         0,\r
  64                         resourceManager.createFont(FONT_NORMAL)\r
  65                 ));\r
  66         Token reserved = new Token(\r
  67                 new TextAttribute(\r
  68                         resourceManager.createColor(new RGB(127, 0, 85)),\r
  69                         null,\r
  70                         SWT.BOLD,\r
  71                         resourceManager.createFont(FONT_BOLD)\r
  72                 ));\r
  73 \r
  74         WordRule reservedWord = new WordRule(new IWordDetector() {\r
  75             @Override\r
  76             public boolean isWordStart(char c) {\r
  77                 return ('a' <= c && c <= 'z')\r
  78                      || ('A' <= c && c <= 'Z')\r
  79                      || c == '_' || c == '?';\r
  80             }\r
  81             @Override\r
  82             public boolean isWordPart(char c) {\r
  83                 return ('a' <= c && c <= 'z')\r
  84                         || ('A' <= c && c <= 'Z')\r
  85                         || ('0' <= c && c <= '9')\r
  86                         || c == '_' || c == '.' || c == '\'';\r
  87             }\r
  88         }, defaultToken);\r
  89 \r
  90         for(String word : SCLInfo.RESERVED_WORDS)\r
  91             reservedWord.addWord(word, reserved);\r
  92         \r
  93         scanner.setRules(new IRule[] {\r
  94                 new WhitespaceRule(new IWhitespaceDetector() {\r
  95                     @Override\r
  96                     public boolean isWhitespace(char c) {\r
  97                         return c==' ' || c=='\t' || c=='\n' || c=='\r';\r
  98                     }\r
  99                 }, defaultToken),\r
 100                 reservedWord\r
 101         });\r
 102         scanner.setDefaultReturnToken(defaultToken);\r
 103         \r
 104         return scanner;\r
 105     }\r
 106 }\r