bundles/winterwell.markdown/src/winterwell/markdown/editors/MDConfiguration.java

   1 package winterwell.markdown.editors;
   2
   3 import org.eclipse.core.runtime.NullProgressMonitor;
   4 import org.eclipse.jface.preference.IPreferenceStore;
   5 import org.eclipse.jface.text.IDocument;
   6 import org.eclipse.jface.text.IRegion;
   7 import org.eclipse.jface.text.ITextHover;
   8 import org.eclipse.jface.text.presentation.IPresentationReconciler;
   9 import org.eclipse.jface.text.presentation.PresentationReconciler;
  10 import org.eclipse.jface.text.reconciler.DirtyRegion;
  11 import org.eclipse.jface.text.reconciler.IReconciler;
  12 import org.eclipse.jface.text.reconciler.IReconcilingStrategy;
  13 import org.eclipse.jface.text.reconciler.MonoReconciler;
  14 import org.eclipse.jface.text.rules.DefaultDamagerRepairer;
  15 import org.eclipse.jface.text.source.ISourceViewer;
  16 import org.eclipse.ui.editors.text.TextSourceViewerConfiguration;
  17
  18 public class MDConfiguration extends TextSourceViewerConfiguration {
  19         private ColorManager colorManager;
  20
  21         public MDConfiguration(ColorManager colorManager, IPreferenceStore prefStore) {
  22                 super(prefStore);
  23                 this.colorManager = colorManager;
  24         }
  25
  26         @Override
  27         public IPresentationReconciler getPresentationReconciler(ISourceViewer sourceViewer) {
  28                 MDScanner scanner = new MDScanner(colorManager);
  29                 PresentationReconciler pr = (PresentationReconciler) super.getPresentationReconciler(sourceViewer); // FIXME
  30                 DefaultDamagerRepairer ddr = new DefaultDamagerRepairer(scanner);
  31                 pr.setRepairer(ddr, IDocument.DEFAULT_CONTENT_TYPE);
  32                 pr.setDamager(ddr, IDocument.DEFAULT_CONTENT_TYPE);
  33                 return pr;
  34         }
  35
  36
  37         @Override
  38         public IReconciler getReconciler(ISourceViewer sourceViewer) {
  39                 // This awful mess adds in update support
  40                 // Get super strategy
  41                 IReconciler rs = super.getReconciler(sourceViewer);
  42                 if (true) return rs;    // Seems to work fine?!
  43                 final IReconcilingStrategy fsuperStrategy = rs==null? null : rs.getReconcilingStrategy("text");
  44                 // Add our own
  45                 IReconcilingStrategy strategy = new IReconcilingStrategy() {
  46                         private IDocument doc;
  47                         public void reconcile(IRegion partition) {
  48                                 MarkdownEditor ed = MarkdownEditor.getEditor(doc);
  49                                 if (ed != null) ed.updatePage(partition);
  50                                 if (fsuperStrategy!=null) fsuperStrategy.reconcile(partition);
  51                         }
  52                         public void reconcile(DirtyRegion dirtyRegion, IRegion subRegion) {
  53                                 MarkdownEditor ed = MarkdownEditor.getEditor(doc);
  54                                 if (ed != null) ed.updatePage(subRegion);
  55                                 if (fsuperStrategy!=null) fsuperStrategy.reconcile(dirtyRegion, subRegion);
  56                         }
  57                         public void setDocument(IDocument document) {
  58                                 this.doc = document;
  59                                 if (fsuperStrategy!=null) fsuperStrategy.setDocument(document);
  60                         }
  61                 };
  62                 // Make a reconciler
  63                 MonoReconciler m2 = new MonoReconciler(strategy, true);
  64                 m2.setIsIncrementalReconciler(true);
  65                 m2.setProgressMonitor(new NullProgressMonitor());
  66                 m2.setDelay(500);
  67                 // Done
  68                 return m2;
  69         }
  70
  71         @SuppressWarnings("unused")
  72         @Override
  73         public ITextHover getTextHover(ISourceViewer sourceViewer,
  74                         String contentType) {
  75                 if (true) return super.getTextHover(sourceViewer, contentType);
  76                 // Add hover support for images
  77                 return new MDTextHover();
  78         }
  79 }
  80
  81