Method removeMapPart

src/gui/map/map_editor.cpp:3849–3887

}

void MapEditorController::removeMapPart()
{
	auto* part = map->getCurrentPart();
	
	QMessageBox::StandardButton button =
	        QMessageBox::question(
	            window,
                tr("Remove current part"),
                tr("Do you want to remove map part \"%1\" and all its objects?").arg(part->getName()),
                QMessageBox::Yes | QMessageBox::No );
	
	if (button == QMessageBox::Yes)
	{
		auto index = map->getCurrentPartIndex();
		UndoStep* undo_step = new MapPartUndoStep(map, MapPartUndoStep::AddMapPart, index);
		
		auto i = part->getNumObjects();
		if (i > 0)
		{
			auto* add_step = new AddObjectsUndoStep(map);
			do
			{
				--i;
				auto* object = part->getObject(i);
				add_step->addObject(i, object);
				part->releaseObject(object);
			}
			while (i > 0);
			
			auto* combined_step = new CombinedUndoStep(map);
			combined_step->push(add_step);
			combined_step->push(undo_step);
			undo_step = combined_step;
		}
		
		map->push(undo_step);
		map->removePart(index);
	}
}

void MapEditorController::renameMapPart()
{