Method paste

src/gui/map/map_editor.cpp:1948–1985

void MapEditorController::paste()
{
	if (editing_in_progress)
		return;
	if (!QApplication::clipboard()->mimeData()->hasFormat(MimeType::OpenOrienteeringObjects()))
	{
		QMessageBox::warning(nullptr, tr("Error"), tr("There are no objects in clipboard which could be pasted!"));
		return;
	}
	
	// Get buffer from clipboard
	QByteArray byte_array = QApplication::clipboard()->mimeData()->data(MimeType::OpenOrienteeringObjects());
	QBuffer buffer(&byte_array);
	buffer.open(QIODevice::ReadOnly);
	
	// Create map from buffer
	Map paste_map;
	if (!paste_map.importFromIODevice(buffer))
	{
		QMessageBox::warning(nullptr, tr("Error"), tr("An internal error occurred, sorry!"));
		return;
	}
	
	// Move objects in paste_map so their bounding box center is at this map's viewport center.
	// This makes the pasted objects appear at the center of the viewport.
	QRectF paste_extent = paste_map.calculateExtent(true, false, nullptr);
	auto offset = main_view->center() - paste_extent.center();
	
	MapPart* part = paste_map.getCurrentPart();
	for (int i = 0; i < part->getNumObjects(); ++i)
		part->getObject(i)->move(offset);
	
	// Import pasted map. Do not blindly import all colors.
	importMap(paste_map, Map::MinimalObjectImport, window);
	
	// Show message
	window->showStatusBarMessage(tr("Pasted %n object(s)", nullptr, paste_map.getNumObjects()), 2000);
}


void MapEditorController::clearUndoRedoHistory()