bundles/org.simantics.scl.ui.editor/src/org/simantics/scl/ui/editor/SCLSourceViewerConfiguration.java

   1 package org.simantics.scl.ui.editor;\r
   2 \r
   3 import org.eclipse.jface.text.DefaultTextHover;\r
   4 import org.eclipse.jface.text.IDocument;\r
   5 import org.eclipse.jface.text.ITextHover;\r
   6 import org.eclipse.jface.text.TextAttribute;\r
   7 import org.eclipse.jface.text.presentation.IPresentationReconciler;\r
   8 import org.eclipse.jface.text.presentation.PresentationReconciler;\r
   9 import org.eclipse.jface.text.rules.DefaultDamagerRepairer;\r
  10 import org.eclipse.jface.text.rules.IRule;\r
  11 import org.eclipse.jface.text.rules.ITokenScanner;\r
  12 import org.eclipse.jface.text.rules.IWordDetector;\r
  13 import org.eclipse.jface.text.rules.MultiLineRule;\r
  14 import org.eclipse.jface.text.rules.PatternRule;\r
  15 import org.eclipse.jface.text.rules.RuleBasedScanner;\r
  16 import org.eclipse.jface.text.rules.Token;\r
  17 import org.eclipse.jface.text.rules.WordRule;\r
  18 import org.eclipse.jface.text.source.DefaultAnnotationHover;\r
  19 import org.eclipse.jface.text.source.IAnnotationHover;\r
  20 import org.eclipse.jface.text.source.ISharedTextColors;\r
  21 import org.eclipse.jface.text.source.ISourceViewer;\r
  22 import org.eclipse.jface.text.source.SourceViewerConfiguration;\r
  23 import org.eclipse.swt.SWT;\r
  24 import org.eclipse.swt.graphics.Device;\r
  25 import org.eclipse.swt.graphics.Font;\r
  26 import org.eclipse.swt.graphics.RGB;\r
  27 \r
  28 public class SCLSourceViewerConfiguration extends SourceViewerConfiguration {\r
  29 \r
  30     public static final char[] CONTENT_ASSIST_AUTO_CHARS = new char[] { '.' };\r
  31     Device device;\r
  32     \r
  33     ISharedTextColors sharedTextColors;\r
  34     \r
  35     public SCLSourceViewerConfiguration(Device device,\r
  36             ISharedTextColors sharedTextColors) {\r
  37         this.device = device;\r
  38         this.sharedTextColors = sharedTextColors;\r
  39     }\r
  40 \r
  41     public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) {\r
  42         return new String[] {\r
  43             IDocument.DEFAULT_CONTENT_TYPE\r
  44         };\r
  45     }\r
  46     \r
  47     public IPresentationReconciler getPresentationReconciler(ISourceViewer sourceViewer) {\r
  48         PresentationReconciler reconciler = new PresentationReconciler();\r
  49         \r
  50         DefaultDamagerRepairer dr = new DefaultDamagerRepairer(getSclTokenScanner());\r
  51         \r
  52         reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);\r
  53         reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);\r
  54         \r
  55         return reconciler;\r
  56     }\r
  57     \r
  58     ITokenScanner getSclTokenScanner() {\r
  59         RuleBasedScanner scanner = new RuleBasedScanner();\r
  60         \r
  61         Font font = new Font(device, "Courier New", 10, SWT.NORMAL);\r
  62         Font boldFont = new Font(device, "Courier New", 10, SWT.BOLD);\r
  63 \r
  64         Token defaultToken = new Token(\r
  65                 new TextAttribute(\r
  66                         sharedTextColors.getColor(new RGB(0, 0, 0)),\r
  67                         null,\r
  68                         0,\r
  69                         font\r
  70                 ));\r
  71         Token string = new Token(new TextAttribute(\r
  72                 sharedTextColors.getColor(new RGB(42, 0, 255)),\r
  73                 null,\r
  74                 0,\r
  75                 font\r
  76                 ));\r
  77         Token reserved = new Token(\r
  78                 new TextAttribute(\r
  79                         sharedTextColors.getColor(new RGB(127, 0, 85)),\r
  80                         null,\r
  81                         SWT.BOLD,\r
  82                         boldFont\r
  83                 ));\r
  84         Token comment = new Token(new TextAttribute(\r
  85                 sharedTextColors.getColor(new RGB(63, 127, 95)),\r
  86                 null,\r
  87                 0,\r
  88                 font\r
  89                 ));\r
  90 \r
  91         WordRule reservedWord = new WordRule(new IWordDetector() {          \r
  92             @Override\r
  93             public boolean isWordStart(char c) {\r
  94                 return Character.isJavaIdentifierStart(c);\r
  95             }\r
  96             \r
  97             @Override\r
  98             public boolean isWordPart(char c) {\r
  99                 return Character.isJavaIdentifierPart(c) || c=='.';\r
 100             }\r
 101         });\r
 102 \r
 103         reservedWord.addWord("if", reserved);\r
 104         reservedWord.addWord("then", reserved);\r
 105         reservedWord.addWord("else", reserved);\r
 106         reservedWord.addWord("match", reserved);\r
 107         reservedWord.addWord("with", reserved);\r
 108         reservedWord.addWord("data", reserved);\r
 109         reservedWord.addWord("type", reserved);\r
 110         reservedWord.addWord("class", reserved);\r
 111         \r
 112         IRule[] rules = new IRule[] {\r
 113             //new MultiLineRule("\"\"\"", "\"\"\"", string),\r
 114             new PatternRule("\"", "\"", string, '\\', true),\r
 115             new MultiLineRule("/*", "*/", comment),\r
 116             new PatternRule("//", null, comment, '\0', true),\r
 117             reservedWord\r
 118         };\r
 119         scanner.setRules(rules);\r
 120         scanner.setDefaultReturnToken(defaultToken);\r
 121         \r
 122         return scanner;     \r
 123     }\r
 124     \r
 125     @Override\r
 126     public ITextHover getTextHover(ISourceViewer sourceViewer, String contentType) {\r
 127         return new DefaultTextHover(sourceViewer);\r
 128     }\r
 129     \r
 130     @Override\r
 131     public IAnnotationHover getAnnotationHover(ISourceViewer sourceViewer) {\r
 132         return new DefaultAnnotationHover();\r
 133     }\r
 134 }\r