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();
}
}
}
/**
* Get the appropriate find occurrences processor
*
* @param document - assumes not null
* @param textSelection
* @return
*/
private FindOccurrencesProcessor getProcessorForCurrentSelection(
IDocument document, ITextSelection textSelection) {
// check if we have an action that's enabled on the current partition
ITypedRegion tr = getPartition(document, textSelection);
String partition = tr != null ? tr.getType() : ""; // $NON-NLS-1$
Iterator it = getProcessors().iterator();
FindOccurrencesProcessor processor = null;
while (it.hasNext()) {
processor = (FindOccurrencesProcessor) it.next();
// we just choose the first action that can handle the partition
if (processor.enabledForParitition(partition)) return processor;
}
List extendedFindOccurrencesProcessors =
ExtendedConfigurationBuilder.getInstance()
.getConfigurations(FindOccurrencesProcessor.class.getName(), partition);
for (int i = 0; i < extendedFindOccurrencesProcessors.size(); i++) {
Object o = extendedFindOccurrencesProcessors.get(i);
if (o instanceof FindOccurrencesProcessor) {
/*
* We just choose the first registered processor that explicitly says it can handle the
* partition
*/
processor = (FindOccurrencesProcessor) o;
if (processor.enabledForParitition(partition)) return processor;
}
}
return null;
}
