path: root/src/dialog.cpp

#include "dialog.h"

#include <QMessageBox>

#include "ui_dialog.h"
#include "save_restore_session.h"
#include "sessiontreeitem.h"

Dialog::Dialog(QWidget *parent)
    : QDialog(parent), ui(new Ui::Dialog) {
    model_ = new SessionTreeModel(parent);
    ui->setupUi(this);

    QDBusConnection dbus = QDBusConnection::sessionBus();
    ifaceDBus_ = new OrgOpenslxPvsInterface("org.openslx.pvs", "/", dbus, this);

    if (ifaceDBus_->isValid()) {
        // PVS is running
        QStringList accessOptions;
        accessOptions <<trUtf8("None") << trUtf8("View Only") <<
                trUtf8("Full");
        ui->comboBoxLecturer->insertItems(0, accessOptions);
        ui->comboBoxOthers->insertItems(0, accessOptions);

        readPVSSettings();
        ui->PVSOptionsGroupBox->show();
    } else {
        ui->PVSOptionsGroupBox->hide();
    }
}

Dialog::~Dialog() {
    delete ui;
    delete model_;
    delete ifaceDBus_;
}

void Dialog::changeEvent(QEvent *e) {
    QDialog::changeEvent(e);
    switch (e->type()) {
    case QEvent::LanguageChange:
        ui->retranslateUi(this);
        break;
    default:
        break;
    }
}

void Dialog::on_treeView_activated(QModelIndex index) {
    // this method gets called when a Session has been activated

    SessionTreeItem* item =
            static_cast<SessionTreeItem*>(index.internalPointer());

    const Session* s(item->session());
    if (!s) {
        // no valid session has been selected, do nothing
        return;
    }

    if (s->run()) {
        if (ifaceDBus_->isValid()) {
            writePVSSettings();
        }
        writeSessionName(s->shortDescription());
        setVisible(false);

    } else {
        QMessageBox::warning(
                this, trUtf8("vmchooser"),
                trUtf8("Vmchooser failed to run the selected session!"));
    }
}

void Dialog::addItems(const QList<Session*>& entries, const QString& section) {
    this->model_->addItems(entries, section);

    ui->treeView->setModel(model_);
    ui->treeView->expandAll();
}

void Dialog::on_pushButtonAbort_clicked() {
    close();
}

void Dialog::on_pushButtonStart_clicked() {
    this->on_treeView_activated(ui->treeView->selectionModel()->currentIndex());
}

void Dialog::readPVSSettings() {
    QDBusPendingReply<QString> reply;

    reply = ifaceDBus_->getConfigValue("Permissions/vnc_lecturer");
    reply.waitForFinished();
    if (reply.isValid()) {
        if (reply.value() == "rw") {
            ui->comboBoxLecturer->setCurrentIndex(2);
        } else if (reply.value() == "ro") {
            ui->comboBoxLecturer->setCurrentIndex(1);
        } else {
            ui->comboBoxLecturer->setCurrentIndex(0);
        }
    }

    reply = ifaceDBus_->getConfigValue("Permissions/vnc_other");
    reply.waitForFinished();
    if (reply.isValid()) {
        if (reply.value() == "rw") {
            ui->comboBoxOthers->setCurrentIndex(2);
        } else if (reply.value() == "ro") {
            ui->comboBoxOthers->setCurrentIndex(1);
        } else {
            ui->comboBoxOthers->setCurrentIndex(0);
        }
    }

    reply = ifaceDBus_->getConfigValue("Permissions/allow_chat");
    reply.waitForFinished();
    if (reply.isValid())
        ui->checkBoxChat->setChecked(reply.value() == "T");

    reply = ifaceDBus_->getConfigValue("Permissions/allow_filetransfer");
    reply.waitForFinished();
    if (reply.isValid())
        ui->checkBoxFileTransfer->setChecked(reply.value() == "T");
}

void Dialog::writePVSSettings() {
    int accessLecturer = ui->comboBoxLecturer->currentIndex();
    if (accessLecturer == 2) {
        ifaceDBus_->setConfigValue("Permissions/vnc_lecturer", "rw");
    } else if (accessLecturer == 1) {
        ifaceDBus_->setConfigValue("Permissions/vnc_lecturer", "ro");
    } else {
        ifaceDBus_->setConfigValue("Permissions/vnc_lecturer", "no");
    }

    int accessOthers = ui->comboBoxOthers->currentIndex();
    if (accessOthers == 2) {
        ifaceDBus_->setConfigValue("Permissions/vnc_other", "rw");
    } else if (accessOthers == 1) {
        ifaceDBus_->setConfigValue("Permissions/vnc_other", "ro");
    } else {
        ifaceDBus_->setConfigValue("Permissions/vnc_other", "no");
    }

    ifaceDBus_->setConfigValue("Permissions/allow_chat",
            QString(ui->checkBoxChat->isChecked() ? "T" : "F"));
    ifaceDBus_->setConfigValue("Permissions/allow_filetransfer",
            QString(ui->checkBoxFileTransfer->isChecked() ? "T" : "F"));
}

void Dialog::on_comboBoxLecturer_currentIndexChanged(int index) {
    // TODO (Jan): may others have more access than lecturer?
    if (index < ui->comboBoxOthers->currentIndex()) {
        ui->comboBoxOthers->setCurrentIndex(index);
    }
}

void Dialog::on_comboBoxOthers_currentIndexChanged(int index) {
    // TODO (Jan): may others have more access than lecturer?
    if (index > ui->comboBoxLecturer->currentIndex()) {
        ui->comboBoxLecturer->setCurrentIndex(index);
    }
}

void Dialog::selectSession(const QString& name) {
    QModelIndex root(ui->treeView->rootIndex());

    for (int i = 0; i < model_->rowCount(root); ++i) {
        QModelIndex section = model_->index(i, 0, root);
        if (!section.isValid()) break;
        for (int row = 0; row < model_->rowCount(section); ++row) {
            QModelIndex index = model_->index(row, 0, section);
            if (!index.isValid()) break;

            SessionTreeItem* item =
                    static_cast<SessionTreeItem*>(index.internalPointer());
            const Session* s(item->session());
            if (!s) continue;
            if (s->shortDescription() == name) {
                ui->treeView->selectionModel()
                        ->setCurrentIndex(index, QItemSelectionModel::Select);
                return;
            }
        }
    }
}

void Dialog::selectPreviousSession() {
    selectSession(readSessionName());
}