Method on_actionLoad_triggered

bt_editor/mainwindow.cpp:370–401

void MainWindow::on_actionLoad_triggered()
{
    QSettings settings;
    QString directory_path  = settings.value("MainWindow.lastLoadDirectory",
                                            QDir::homePath() ).toString();

    QString fileName = QFileDialog::getOpenFileName(this,
                                                    tr("Load BehaviorTree from file"), directory_path,
                                                    tr("BehaviorTree files (*.xml)"));
    if (!QFileInfo::exists(fileName)){
        return;
    }

    QFile file(fileName);

    if (!file.open(QIODevice::ReadOnly)){
        return;
    }

    directory_path = QFileInfo(fileName).absolutePath();
    settings.setValue("MainWindow.lastLoadDirectory", directory_path);
    settings.sync();

    QString xml_text;

    QTextStream in(&file);
    while (!in.atEnd()) {
        xml_text += in.readLine();
    }

    loadFromXML(xml_text);
}

QString MainWindow::saveToXML() const
{