Method execSwitchTemplateFileDialog

src/templates/template.cpp:473–530

}

bool Template::execSwitchTemplateFileDialog(QWidget* dialog_parent)
{
	QString new_path = FileDialog::getOpenFileName(dialog_parent,
	                                               tr("Find the moved template file"),
	                                               QString(),
	                                               tr("All files (*.*)") );
	new_path = QFileInfo(new_path).canonicalFilePath();
	if (new_path.isEmpty())
		return false;
	
	const State   old_state = getTemplateState();
	const QString old_path  = getTemplatePath();
	
	if (auto* placeholder = qobject_cast<TemplatePlaceholder*>(this))
	{
		setTemplatePath(new_path);
		auto new_temp = placeholder->makeActualTemplate();
		if (new_temp)
		{
			auto pos = map->findTemplateIndex(this);
			if (pos >= 0)
			{
				auto self = map->setTemplate(pos, std::move(new_temp));
				if (map->getTemplate(pos)->loadTemplateFile())
				{
					// Loading succeeded. This object must be destroyed.
					self.release()->deleteLater();
					return true;
				}
				// Loading failed. This object must be put back.
				map->setTemplate(pos, std::move(self));
				return false;
			}
		}
	}
	else
	{
		switchTemplateFile(new_path, true);
	}
	if (getTemplateState() != Loaded)
	{
		QString error_template = QCoreApplication::translate("OpenOrienteering::TemplateListWidget", "Cannot open template\n%1:\n%2").arg(new_path);
		QString error = errorString();
		Q_ASSERT(!error.isEmpty());
		
		// Revert change
		switchTemplateFile(old_path, old_state == Loaded);
		if (old_state == Invalid)
		{
			template_state = Invalid;
		}
		
		QMessageBox::warning(dialog_parent, tr("Error"), error_template.arg(error));
		return false;
	}
	
	return true;
}