public void run(IAction action) {
boolean okay = false;
if (fEditor instanceof ITextEditor) {
ITextEditor textEditor = (ITextEditor) fEditor;
IDocument document =
textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput());
if (document != null) {
ITextSelection textSelection = getTextSelection(textEditor);
FindOccurrencesProcessor findOccurrenceProcessor =
getProcessorForCurrentSelection(document, textSelection);
if (findOccurrenceProcessor != null) {
if (textEditor.getEditorInput() instanceof IFileEditorInput) {
IFile file = ((IFileEditorInput) textEditor.getEditorInput()).getFile();
okay = findOccurrenceProcessor.findOccurrences(document, textSelection, file);
}
}
}
}
if (okay) {
// clear status message
PlatformStatusLineUtil.clearStatusLine();
} else {
String errorMessage = SSEUIMessages.FindOccurrencesActionProvider_0; // $NON-NLS-1$
if (fEditor instanceof StructuredTextEditor) {
PlatformStatusLineUtil.displayTemporaryErrorMessage(
((StructuredTextEditor) fEditor).getTextViewer(), errorMessage);
} else {
PlatformStatusLineUtil.displayErrorMessage(errorMessage);
PlatformStatusLineUtil.addOneTimeClearListener();
}
}
}
public void selectionChanged(IAction action, ISelection selection) {
// clear status message
PlatformStatusLineUtil.clearStatusLine();
}