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

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