Examples of org.eclipse.jface.text.ITextViewerExtension4

org.eclipse.jface.text.ITextViewerExtension4

Extension interface for {@link org.eclipse.jface.text.ITextViewer}. Introduces the concept of text presentation listeners and improves focus handling among widget token keepers.

A {@link org.eclipse.jface.text.ITextPresentationListener}is a listener that is informed by the viewer that a text presentation is about to be applied. During this callback the listener is allowed to modify the presentation. Text presentation listeners are thus a mean to participate in the process of text presentation creation. @since 3.0

            fTextOperationAction.run();
            return;
        }


        if (sourceViewer instanceof ITextViewerExtension4) {
            final ITextViewerExtension4 extension4 = (ITextViewerExtension4) sourceViewer;
            if (extension4.moveFocusToWidgetToken()) {
                return;
            }
        }


        if (!(sourceViewer instanceof ITextViewerExtension2)) {

          fTextOperationAction.run();
        return;
      }


      if (sourceViewer instanceof ITextViewerExtension4)  {
        ITextViewerExtension4 extension4= (ITextViewerExtension4) sourceViewer;
        if (extension4.moveFocusToWidgetToken())
          return;
      }


      if (sourceViewer instanceof ITextViewerExtension2) {
        // does a text hover exist?

          fTextOperationAction.run();
        return;
      }


      if (sourceViewer instanceof ITextViewerExtension4)  {
        ITextViewerExtension4 extension4= (ITextViewerExtension4) sourceViewer;
        if (extension4.moveFocusToWidgetToken())
          return;
      }


      if (sourceViewer instanceof ITextViewerExtension2) {
        // does a text hover exist?

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