public void run(IAction action) {
ElementSelectionDialog dialog = new ElementSelectionDialog(getShell());
configureDialog(dialog);
int result = dialog.open();
if (result != IDialogConstants.OK_ID) return;
ITypeInfo info = (ITypeInfo) dialog.getFirstResult();
if (info == null) return;
ICElement[] elements = null;
ITypeReference location = info.getResolvedReference();
if (location != null) {
elements = location.getCElements();
}
if (elements == null || elements.length == 0) {
String title = Messages.OpenTypeInHierarchyAction_errorTitle;
String message =
NLS.bind(
Messages.OpenTypeInHierarchyAction_errorNoDefinition,
info.getQualifiedTypeName().toString());
MessageDialog.openError(getShell(), title, message);
} else {
IProject project = elements[0].getCProject().getProject();
IServiceModelManager smm = ServiceModelManager.getInstance();
IServiceConfiguration serviceConfig = smm.getActiveConfiguration(project);
IService indexingService = smm.getService(IRDTServiceConstants.SERVICE_C_INDEX);
IServiceProvider serviceProvider = serviceConfig.getServiceProvider(indexingService);
if (serviceProvider instanceof IIndexServiceProvider) {
ITypeHierarchyService service =
((IIndexServiceProvider) serviceProvider).getTypeHierarchyService();
TypeHierarchyUtil.open(service, elements[0], fWorkbenchWindow);
}
}
}
private void configureDialog(ElementSelectionDialog dialog) {
dialog.setDialogSettings(getClass().getName());
dialog.setVisibleTypes(VISIBLE_TYPES);
dialog.setTitle(Messages.OpenTypeInHierarchyAction_title);
dialog.setUpperListLabel(Messages.OpenTypeInHierarchyAction_upperListLabel);
dialog.setMessage(Messages.OpenTypeInHierarchyAction_message);
if (fWorkbenchWindow != null) {
IWorkbenchPage page = fWorkbenchWindow.getActivePage();
if (page != null) {
IWorkbenchPart part = page.getActivePart();
if (part instanceof ITextEditor) {
ISelection sel = ((ITextEditor) part).getSelectionProvider().getSelection();
if (sel instanceof ITextSelection) {
String txt = ((ITextSelection) sel).getText();
if (txt.length() > 0 && txt.length() < 80) {
dialog.setFilter(txt, true);
}
}
}
}
}
}