| 1 | /** |
| 2 | * |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.pcm.dialogs.stoex; |
| 5 | |
| 6 | import java.util.ArrayList; |
| 7 | import java.util.Iterator; |
| 8 | |
| 9 | import org.eclipse.jface.text.IDocument; |
| 10 | import org.eclipse.jface.text.IRegion; |
| 11 | import org.eclipse.jface.text.ITextHover; |
| 12 | import org.eclipse.jface.text.ITextViewer; |
| 13 | import org.eclipse.jface.text.contentassist.ContentAssistant; |
| 14 | import org.eclipse.jface.text.contentassist.IContentAssistant; |
| 15 | import org.eclipse.jface.text.presentation.IPresentationReconciler; |
| 16 | import org.eclipse.jface.text.presentation.PresentationReconciler; |
| 17 | import org.eclipse.jface.text.rules.DefaultDamagerRepairer; |
| 18 | import org.eclipse.jface.text.rules.ITokenScanner; |
| 19 | import org.eclipse.jface.text.source.Annotation; |
| 20 | import org.eclipse.jface.text.source.IAnnotationHover; |
| 21 | import org.eclipse.jface.text.source.IAnnotationModel; |
| 22 | import org.eclipse.jface.text.source.ISourceViewer; |
| 23 | import org.eclipse.jface.text.source.SourceViewerConfiguration; |
| 24 | |
| 25 | import de.uka.ipd.sdq.pcm.repository.Parameter; |
| 26 | |
| 27 | /** |
| 28 | * @author Snowball |
| 29 | * |
| 30 | */ |
| 31 | public class AbstractGrammarBasedViewerConfiguration extends SourceViewerConfiguration { |
| 32 | |
| 33 | private IAnnotationModel annotationModel; |
| 34 | private Class myLexerClass; |
| 35 | private ITokenMapper myMapper; |
| 36 | private Parameter[] context = null; |
| 37 | private ContentAssistant myAssistant; |
| 38 | |
| 39 | /** |
| 40 | * |
| 41 | */ |
| 42 | public AbstractGrammarBasedViewerConfiguration(IAnnotationModel annotationModel, Parameter[] context, Class lexerClass, ITokenMapper myMapper) { |
| 43 | this.annotationModel = annotationModel; |
| 44 | this.myLexerClass = lexerClass; |
| 45 | this.myMapper = myMapper; |
| 46 | this.context = context; |
| 47 | } |
| 48 | |
| 49 | /* |
| 50 | * (non-Javadoc) |
| 51 | * |
| 52 | * @see org.eclipse.jface.text.source.SourceViewerConfiguration#getPresentationReconciler(org.eclipse.jface.text.source.ISourceViewer) |
| 53 | */ |
| 54 | @Override |
| 55 | public IPresentationReconciler getPresentationReconciler( |
| 56 | ISourceViewer sourceViewer) { |
| 57 | PresentationReconciler reconciler = new PresentationReconciler(); |
| 58 | |
| 59 | DefaultDamagerRepairer dr = new DefaultDamagerRepairer( |
| 60 | getKeywordScanner()); |
| 61 | reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE); |
| 62 | reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE); |
| 63 | |
| 64 | return reconciler; |
| 65 | } |
| 66 | |
| 67 | @Override |
| 68 | public IAnnotationHover getAnnotationHover(ISourceViewer sourceViewer) { |
| 69 | return new AnnotationHover(annotationModel); |
| 70 | } |
| 71 | |
| 72 | private ITokenScanner getKeywordScanner() { |
| 73 | return new ANTLRTokenScannerAdapter(myLexerClass,myMapper); |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) { |
| 78 | if (myAssistant == null){ |
| 79 | myAssistant = new ContentAssistant(); |
| 80 | myAssistant.setContentAssistProcessor(new StoExCompletionProcessor(context), |
| 81 | IDocument.DEFAULT_CONTENT_TYPE); |
| 82 | myAssistant.setAutoActivationDelay(1); |
| 83 | myAssistant.enableAutoActivation(true); |
| 84 | } |
| 85 | return myAssistant; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | // annotation hover manager |
| 90 | class AnnotationHover implements IAnnotationHover, ITextHover { |
| 91 | private IAnnotationModel fAnnotationModel; |
| 92 | |
| 93 | public AnnotationHover(IAnnotationModel annotationModel) { |
| 94 | this.fAnnotationModel = annotationModel; |
| 95 | } |
| 96 | |
| 97 | public String getHoverInfo(ISourceViewer sourceViewer, int lineNumber) { |
| 98 | Iterator ite = fAnnotationModel.getAnnotationIterator(); |
| 99 | |
| 100 | ArrayList all = new ArrayList(); |
| 101 | |
| 102 | while (ite.hasNext()) { |
| 103 | Annotation a = (Annotation) ite.next(); |
| 104 | if (a instanceof Annotation) { |
| 105 | all.add(((Annotation) a).getText()); |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | StringBuffer total = new StringBuffer(); |
| 110 | for (int x = 0; x < all.size(); x++) { |
| 111 | String str = (String) all.get(x); |
| 112 | total.append(" " + str + (x == (all.size() - 1) ? "" : "\n")); |
| 113 | } |
| 114 | |
| 115 | return total.toString(); |
| 116 | } |
| 117 | |
| 118 | public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) { |
| 119 | return null; |
| 120 | } |
| 121 | |
| 122 | public IRegion getHoverRegion(ITextViewer textViewer, int offset) { |
| 123 | return null; |
| 124 | } |
| 125 | } |