@Override
public void run() {
ISourceViewer sourceViewer = getSourceViewer();
if (sourceViewer == null) {
fTextOperationAction.run();
return;
}
if (sourceViewer instanceof ITextViewerExtension4) {
ITextViewerExtension4 extension4 = (ITextViewerExtension4) sourceViewer;
if (extension4.moveFocusToWidgetToken()) return;
}
if (sourceViewer instanceof ITextViewerExtension2) {
// does a text hover exist?
ITextHover textHover = ((ITextViewerExtension2) sourceViewer).getCurrentTextHover();
if (textHover != null && makeTextHoverFocusable(sourceViewer, textHover)) return;
}
if (sourceViewer instanceof ISourceViewerExtension3) {
// does an annotation hover exist?
IAnnotationHover annotationHover =
((ISourceViewerExtension3) sourceViewer).getCurrentAnnotationHover();
if (annotationHover != null && makeAnnotationHoverFocusable(sourceViewer, annotationHover))
return;
}
// otherwise, just display the tooltip
// fTextOperationAction.run();
}
@Override
public void selected(final ITextViewer viewer, boolean smartToggle) {
repairPresentation(viewer);
fRememberedStyleRange = null;
if (!insertCompletion() ^ smartToggle) {
StyleRange range = createStyleRange(viewer);
if (range == null) {
return;
}
fRememberedStyleRange = range;
if (viewer instanceof ITextViewerExtension4) {
if (fTextPresentationListener == null) {
fTextPresentationListener =
new ITextPresentationListener() {
@Override
public void applyTextPresentation(TextPresentation textPresentation) {
fRememberedStyleRange = createStyleRange(viewer);
if (fRememberedStyleRange != null) {
textPresentation.mergeStyleRange(fRememberedStyleRange);
}
}
};
((ITextViewerExtension4) viewer).addTextPresentationListener(fTextPresentationListener);
}
repairPresentation(viewer);
} else {
updateStyle(viewer);
}
}
}
@Override
public void unselected(ITextViewer viewer) {
if (fTextPresentationListener != null) {
((ITextViewerExtension4) viewer).removeTextPresentationListener(fTextPresentationListener);
fTextPresentationListener = null;
}
repairPresentation(viewer);
fRememberedStyleRange = null;
}
/**
* Installs a document partitioner on the containing editor's document. This partitioner will
* determine where contained editors should go.
*
* @param viewer
*/
public void installPartitioner(ISourceViewer viewer) {
FastPartitioner partitioner =
new FastPartitioner(scanner, new String[] {ContainingEditorScanner.CONTAINED_EDITOR});
partitioner.connect(doc);
((IDocumentExtension3) doc)
.setDocumentPartitioner(ContainingEditorScanner.CONTAINED_EDITOR, partitioner);
if (viewer instanceof ITextViewerExtension4) {
((ITextViewerExtension4) viewer).addTextPresentationListener(this);
} else {
EmbeddedCALPlugin.logWarning(
"Cannot install Presentation Listener. " + "The display may not update properly.",
new RuntimeException());
}
}