Examples of org.eclipse.jface.text.source.IAnnotationHover

org.eclipse.jface.text.source.IAnnotationHover
Provides the information to be displayed in a hover popup window which appears over the presentation area of annotations.
In order to provide backward compatibility for clients of IAnnotationHover, extension interfaces are used as a means of evolution. The following extension interfaces exist:
- {@link org.eclipse.jface.text.source.IAnnotationHoverExtension} sinceversion 3.0 allowing a text hover to provide a creator for the hover control. This allows for sophisticated hovers in a way that information computed by the hover can be displayed in the best possible form.
- {@link org.eclipse.jface.text.source.IAnnotationHoverExtension2} sinceversion 3.2 allowing a text hover to specify whether it handles mouse-wheel events itself.
Clients may implement this interface.
@see org.eclipse.jface.text.source.IAnnotationHoverExtension @see org.eclipse.jface.text.source.IAnnotationHoverExtension2

            {
                try
                {
                    // If no keyword description was found,
                    // try to show marker info
                    IAnnotationHover markerAnnotation =
                        new PerlAnnotationHover(fTextEditor);
                    int line =
                        textViewer.getDocument().getLineOfOffset(hoverRegion.getOffset());
                    return
                        markerAnnotation.getHoverInfo((ISourceViewer) textViewer, line);
                }
                catch (BadLocationException e)
                {
                    // should never occur
                    return null;

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          return;
      }


      if (sourceViewer instanceof ISourceViewerExtension3) {
        // does an annotation hover exist?
        IAnnotationHover annotationHover= ((ISourceViewerExtension3) sourceViewer).getCurrentAnnotationHover();
        if (annotationHover != null && makeAnnotationHoverFocusable(sourceViewer, annotationHover))
          return;
      }
      
      // otherwise, just run the action

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        // of all the problem markers for the specified line number.
        // Note that the lineNumber given to getHoverInfo() is 1 less than
        // the line known to the marker or shown in the line number rule in
        // the editor. Presumably this is because whomever calls
        // getHoverInfo() thinks that line numbers start from 0.
        IAnnotationHover annotationHover = new IAnnotationHover() {
            public String getHoverInfo(ISourceViewer iSourceViewer,
                                       int lineNumber) {
                String hoverInfo = null;


                try {

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          return;
      }


      if (sourceViewer instanceof ISourceViewerExtension3) {
        // does an annotation hover exist?
        IAnnotationHover annotationHover= ((ISourceViewerExtension3) sourceViewer).getCurrentAnnotationHover();
        if (annotationHover != null && makeAnnotationHoverFocusable(annotationHover))
          return;
      }


      // otherwise, just run the action

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