bundles/org.simantics.document.ui/src/org/simantics/document/ui/CSSSourceViewerConfiguration.java

   1 package org.simantics.document.ui;\r
   2 \r
   3 import org.eclipse.jface.preference.IPreferenceStore;\r
   4 import org.eclipse.jface.text.DefaultInformationControl;\r
   5 import org.eclipse.jface.text.IDocument;\r
   6 import org.eclipse.jface.text.IInformationControl;\r
   7 import org.eclipse.jface.text.IInformationControlCreator;\r
   8 import org.eclipse.jface.text.ITextHover;\r
   9 import org.eclipse.jface.text.TextAttribute;\r
  10 import org.eclipse.jface.text.contentassist.ContentAssistant;\r
  11 import org.eclipse.jface.text.contentassist.IContentAssistant;\r
  12 import org.eclipse.jface.text.presentation.IPresentationReconciler;\r
  13 import org.eclipse.jface.text.presentation.PresentationReconciler;\r
  14 import org.eclipse.jface.text.rules.DefaultDamagerRepairer;\r
  15 import org.eclipse.jface.text.rules.EndOfLineRule;\r
  16 import org.eclipse.jface.text.rules.IRule;\r
  17 import org.eclipse.jface.text.rules.ITokenScanner;\r
  18 import org.eclipse.jface.text.rules.IWordDetector;\r
  19 import org.eclipse.jface.text.rules.MultiLineRule;\r
  20 import org.eclipse.jface.text.rules.PatternRule;\r
  21 import org.eclipse.jface.text.rules.RuleBasedScanner;\r
  22 import org.eclipse.jface.text.rules.Token;\r
  23 import org.eclipse.jface.text.rules.WordRule;\r
  24 import org.eclipse.jface.text.source.DefaultAnnotationHover;\r
  25 import org.eclipse.jface.text.source.IAnnotationHover;\r
  26 import org.eclipse.jface.text.source.ISharedTextColors;\r
  27 import org.eclipse.jface.text.source.ISourceViewer;\r
  28 import org.eclipse.jface.text.source.SourceViewerConfiguration;\r
  29 import org.eclipse.swt.SWT;\r
  30 import org.eclipse.swt.graphics.Device;\r
  31 import org.eclipse.swt.graphics.Font;\r
  32 import org.eclipse.swt.graphics.RGB;\r
  33 import org.eclipse.swt.widgets.Shell;\r
  34 import org.eclipse.ui.editors.text.EditorsUI;\r
  35 import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants;\r
  36 \r
  37 public class CSSSourceViewerConfiguration extends SourceViewerConfiguration {\r
  38 \r
  39     public static final char[] CONTENT_ASSIST_AUTO_CHARS = new char[] { '.' };\r
  40     Device device;\r
  41     \r
  42     ISharedTextColors sharedTextColors;\r
  43     IPreferenceStore preferenceStore;\r
  44     \r
  45     private CSSTextEditorEnvironment editorEnvironment;\r
  46     \r
  47     public CSSSourceViewerConfiguration(Device device,\r
  48             ISharedTextColors sharedTextColors) {\r
  49         this.device = device;\r
  50         this.sharedTextColors = sharedTextColors;\r
  51         this.preferenceStore = EditorsUI.getPreferenceStore();\r
  52         \r
  53         this.editorEnvironment = new CSSTextEditorEnvironment();\r
  54     }\r
  55 \r
  56     public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) {\r
  57         return new String[] {\r
  58             IDocument.DEFAULT_CONTENT_TYPE\r
  59         };\r
  60     }\r
  61     \r
  62         @Override\r
  63     public int getTabWidth(ISourceViewer sourceViewer) {\r
  64                 if (preferenceStore == null)\r
  65                         return super.getTabWidth(sourceViewer);\r
  66                 return preferenceStore.getInt(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_TAB_WIDTH);\r
  67         }\r
  68 \r
  69         @Override\r
  70         public String[] getIndentPrefixes(ISourceViewer sourceViewer, String contentType) {\r
  71                 String[] indentPrefixes = getIndentPrefixesForTab(getTabWidth(sourceViewer));\r
  72                 if (indentPrefixes == null)\r
  73                         return null;\r
  74 \r
  75                 int length = indentPrefixes.length;\r
  76                 if (length > 2) {\r
  77                         // Swap first with second last\r
  78                         String first = indentPrefixes[0];\r
  79                         indentPrefixes[0] = indentPrefixes[length - 2];\r
  80                         indentPrefixes[length - 2] = first;\r
  81                 }\r
  82 \r
  83                 return indentPrefixes;\r
  84         }\r
  85     \r
  86     public IPresentationReconciler getPresentationReconciler(ISourceViewer sourceViewer) {\r
  87         PresentationReconciler reconciler = new PresentationReconciler();\r
  88         \r
  89         DefaultDamagerRepairer dr = new DefaultDamagerRepairer(getSclTokenScanner());\r
  90         \r
  91         reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);\r
  92         reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);\r
  93         \r
  94         return reconciler;\r
  95     }\r
  96     \r
  97     ITokenScanner getSclTokenScanner() {\r
  98         RuleBasedScanner scanner = new RuleBasedScanner();\r
  99         \r
 100         Font font = new Font(device, "Courier New", 10, SWT.NORMAL);\r
 101         Font boldFont = new Font(device, "Courier New", 10, SWT.BOLD);\r
 102 \r
 103         Token defaultToken = new Token(\r
 104                 new TextAttribute(\r
 105                         sharedTextColors.getColor(new RGB(0, 0, 0)),\r
 106                         null,\r
 107                         0,\r
 108                         font\r
 109                 ));\r
 110         Token string = new Token(new TextAttribute(\r
 111                 sharedTextColors.getColor(new RGB(42, 0, 255)),\r
 112                 null,\r
 113                 0,\r
 114                 font\r
 115                 ));\r
 116         Token reserved = new Token(\r
 117                 new TextAttribute(\r
 118                         sharedTextColors.getColor(new RGB(127, 0, 85)),\r
 119                         null,\r
 120                         SWT.BOLD,\r
 121                         boldFont\r
 122                 ));\r
 123         Token comment = new Token(new TextAttribute(\r
 124                 sharedTextColors.getColor(new RGB(63, 127, 95)),\r
 125                 null,\r
 126                 0,\r
 127                 font\r
 128                 ));\r
 129 \r
 130         WordRule reservedWord = new WordRule(new IWordDetector() {          \r
 131             @Override\r
 132             public boolean isWordStart(char c) {\r
 133                 return Character.isJavaIdentifierStart(c);\r
 134             }\r
 135             \r
 136             @Override\r
 137             public boolean isWordPart(char c) {\r
 138                 return Character.isJavaIdentifierPart(c) || c=='.';\r
 139             }\r
 140         });\r
 141 \r
 142         reservedWord.addWord("if", reserved);\r
 143         reservedWord.addWord("then", reserved);\r
 144         reservedWord.addWord("else", reserved);\r
 145         reservedWord.addWord("match", reserved);\r
 146         reservedWord.addWord("with", reserved);\r
 147         reservedWord.addWord("data", reserved);\r
 148         reservedWord.addWord("type", reserved);\r
 149         reservedWord.addWord("class", reserved);\r
 150         \r
 151         IRule[] rules = new IRule[] {\r
 152             //new MultiLineRule("\"\"\"", "\"\"\"", string),\r
 153             new PatternRule("\"", "\"", string, '\\', true),\r
 154             new MultiLineRule("/*", "*/", comment),\r
 155             new EndOfLineRule("//", comment),\r
 156             reservedWord\r
 157         };\r
 158         scanner.setRules(rules);\r
 159         scanner.setDefaultReturnToken(defaultToken);\r
 160         \r
 161         return scanner;\r
 162     }\r
 163     \r
 164     @Override\r
 165     public ITextHover getTextHover(ISourceViewer sourceViewer, String contentType) {\r
 166         return new CSSEditorTextHover(sourceViewer, editorEnvironment);\r
 167     }\r
 168     \r
 169     @Override\r
 170     public IAnnotationHover getAnnotationHover(ISourceViewer sourceViewer) {\r
 171         return new DefaultAnnotationHover();\r
 172     }\r
 173     \r
 174     @Override\r
 175     public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {\r
 176         ContentAssistant assistant = new ContentAssistant();\r
 177         assistant.enableColoredLabels(true);\r
 178         assistant.setStatusLineVisible(true);\r
 179 \r
 180         assistant.enableAutoActivation(true);\r
 181         assistant.enableAutoInsert(true);\r
 182         assistant.setContentAssistProcessor(new CSSCompletionAssistProcessor(editorEnvironment), IDocument.DEFAULT_CONTENT_TYPE);\r
 183         assistant.setInformationControlCreator(CREATOR);\r
 184         assistant.setRestoreCompletionProposalSize(Activator.getDefault().getDialogSettings()); \r
 185         return assistant;\r
 186     }\r
 187     \r
 188     private static final IInformationControlCreator CREATOR = new IInformationControlCreator() {\r
 189         \r
 190         @Override\r
 191         public IInformationControl createInformationControl(Shell parent) {\r
 192             return new DefaultInformationControl(parent);\r
 193         }\r
 194     };\r
 195 \r
 196 //    @Override\r
 197 //    public IContentFormatter getContentFormatter(ISourceViewer sourceViewer) {\r
 198 //        return new ContentFormatter();\r
 199 //    }\r
 200 }\r