SmartPointer<const IStatus> EditorHistoryItem::RestoreState()
{
Q_ASSERT_X(!IsRestored(), "RestoreState", "already restored");
IStatus::ConstPointer result = Status::OK_STATUS(BERRY_STATUS_LOC);
IMemento::Pointer memento = this->memento;
this->memento = nullptr;
QString factoryId;
memento->GetString(WorkbenchConstants::TAG_FACTORY_ID, factoryId);
if (factoryId.isEmpty())
{
WorkbenchPlugin::Log("Unable to restore mru list - no input factory ID.");
return result;
}
QScopedPointer<IElementFactory> factory(
PlatformUI::GetWorkbench()->GetElementFactory(factoryId));
if (!factory)
{
return result;
}
IMemento::Pointer persistableMemento = memento->GetChild(WorkbenchConstants::TAG_PERSISTABLE);
if (persistableMemento.IsNull())
{
WorkbenchPlugin::Log("Unable to restore mru list - no input element state: " + factoryId);
return result;
}
QScopedPointer<IAdaptable> adaptable(factory->CreateElement(persistableMemento));
if (adaptable == nullptr || dynamic_cast<IEditorInput*>(adaptable.data()) == nullptr)
{
return result;
}
input = dynamic_cast<IEditorInput*>(adaptable.data());
// Get the editor descriptor.
QString editorId;
memento->GetString(WorkbenchConstants::TAG_ID, editorId);
if (!editorId.isEmpty())
{
IEditorRegistry* registry = WorkbenchPlugin::GetDefault()->GetEditorRegistry();
descriptor = registry->FindEditor(editorId);
}
return result;
}
// for dynamic UI
void ViewFactory::RestoreViewState(IMemento::Pointer memento)
{
QString compoundId;
memento->GetString(WorkbenchConstants::TAG_ID, compoundId);
mementoTable.insert(compoundId, memento);
}