QGCLinkConfiguration.cc 9.26 KB
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/*=====================================================================

QGroundControl Open Source Ground Control Station

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(c) 2009, 2015 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
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This file is part of the QGROUNDCONTROL project

    QGROUNDCONTROL is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    QGROUNDCONTROL is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.

======================================================================*/

/**
 * @file
 *   @brief Implementation of QGCLinkConfiguration
 *   @author Gus Grubba <mavlink@grubba.com>
 */

#include "SettingsDialog.h"
#include "QGCLinkConfiguration.h"
#include "ui_QGCLinkConfiguration.h"
#include "QGCCommConfiguration.h"
#include "QGCMessageBox.h"

QGCLinkConfiguration::QGCLinkConfiguration(QWidget *parent) :
    QWidget(parent),
    _ui(new Ui::QGCLinkConfiguration)
{
    // Stop automatic link updates while this UI is up
    LinkManager::instance()->suspendConfigurationUpdates(true);
    _ui->setupUi(this);
    _viewModel = new LinkViewModel;
    _ui->linkView->setModel(_viewModel);
    _ui->connectLinkButton->setEnabled(false);
    _ui->delLinkButton->setEnabled(false);
    _ui->editLinkButton->setEnabled(false);
}

QGCLinkConfiguration::~QGCLinkConfiguration()
{
    if(_viewModel) delete _viewModel;
    if(_ui) delete _ui;
    // Resume automatic link updates
    LinkManager::instance()->suspendConfigurationUpdates(false);
}

void QGCLinkConfiguration::on_delLinkButton_clicked()
{
    QModelIndex index = _ui->linkView->currentIndex();
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    if(index.row() >= 0) {
        LinkConfiguration* config = _viewModel->getConfiguration(index.row());
        if(config) {
            // Ask user if they are sure
            QMessageBox::StandardButton button = QGCMessageBox::question(
                tr("Delete Link Configuration"),
                tr("Are you sure you want to delete %1?\nDeleting a configuration will also disconnect it if connected.").arg(config->name()),
                QMessageBox::Yes | QMessageBox::Cancel,
                QMessageBox::Cancel);
            if (button == QMessageBox::Yes) {
                // Get link attached to this configuration (if any)
                LinkInterface* iface = config->getLink();
                if(iface) {
                    // Disconnect it (if connected)
                    LinkManager::instance()->disconnectLink(iface);
                }
                _viewModel->beginChange();
                // Remove configuration
                LinkManager::instance()->removeLinkConfiguration(config);
                // Save list
                LinkManager::instance()->saveLinkConfigurationList();
                _viewModel->endChange();
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            }
        }
    }
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    _updateButtons();
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}

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void QGCLinkConfiguration::on_linkView_clicked(const QModelIndex&)
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{
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    _updateButtons();
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}

void QGCLinkConfiguration::on_connectLinkButton_clicked()
{
    QModelIndex index = _ui->linkView->currentIndex();
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    if(index.row() >= 0) {
        LinkConfiguration* config = _viewModel->getConfiguration(index.row());
        if(config) {
            LinkInterface* link = config->getLink();
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            if(link) {
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                // Disconnect Link
                if (link->isConnected()) {
                    LinkManager::instance()->disconnectLink(link);
                }
            } else {
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                LinkInterface* link = LinkManager::instance()->createConnectedLink(config);
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                if(link) {
                    // Now go hunting for the parent so we can shut this down
                    QWidget* pQw = parentWidget();
                    while(pQw) {
                        SettingsDialog* pDlg = dynamic_cast<SettingsDialog*>(pQw);
                        if(pDlg) {
                            pDlg->accept();
                            break;
                        }
                        pQw = pQw->parentWidget();
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                    }
                }
            }
        }
    }
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    _updateButtons();
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}

void QGCLinkConfiguration::on_editLinkButton_clicked()
{
    QModelIndex index = _ui->linkView->currentIndex();
    _editLink(index.row());
}

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void QGCLinkConfiguration::_fixUnnamed(LinkConfiguration* config)
{
    Q_ASSERT(config != NULL);
    //-- Check for "Unnamed"
    if (config->name() == tr("Unnamed")) {
        switch(config->type()) {
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            case LinkConfiguration::TypeSerial: {
                QString tname = dynamic_cast<SerialConfiguration*>(config)->portName();
#ifdef Q_OS_WIN32
                tname.replace("\\\\.\\", "");
#else
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                tname.replace("/dev/cu.", "");
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                tname.replace("/dev/", "");
#endif
                config->setName(QString("Serial Device on %1").arg(tname));
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                break;
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                }
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            case LinkConfiguration::TypeUdp:
                config->setName(
                    QString("UDP Link on Port %1").arg(dynamic_cast<UDPConfiguration*>(config)->localPort()));
                break;
            case LinkConfiguration::TypeTcp: {
                    TCPConfiguration* tconfig = dynamic_cast<TCPConfiguration*>(config);
                    if(tconfig) {
                        config->setName(
                            QString("TCP Link %1:%2").arg(tconfig->address().toString()).arg((int)tconfig->port()));
                    }
                }
                break;
#ifdef UNITTEST_BUILD
            case LinkConfiguration::TypeMock:
                config->setName(
                    QString("Mock Link"));
                break;
#endif
        }
    }
}

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void QGCLinkConfiguration::on_addLinkButton_clicked()
{
    QGCCommConfiguration* commDialog = new QGCCommConfiguration(this);
    if(commDialog->exec() == QDialog::Accepted) {
        // Save changes (if any)
        LinkConfiguration* config = commDialog->getConfig();
        if(config) {
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            _fixUnnamed(config);
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            _viewModel->beginChange();
            LinkManager::instance()->addLinkConfiguration(commDialog->getConfig());
            LinkManager::instance()->saveLinkConfigurationList();
            _viewModel->endChange();
        }
    }
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    _updateButtons();
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}

void QGCLinkConfiguration::on_linkView_doubleClicked(const QModelIndex &index)
{
    _editLink(index.row());
}

void QGCLinkConfiguration::_editLink(int row)
{
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    if(row >= 0) {
        LinkConfiguration* config = _viewModel->getConfiguration(row);
        if(config) {
            LinkConfiguration* tmpConfig = LinkConfiguration::duplicateSettings(config);
            QGCCommConfiguration* commDialog = new QGCCommConfiguration(this, tmpConfig);
            if(commDialog->exec() == QDialog::Accepted) {
                // Save changes (if any)
                if(commDialog->getConfig()) {
                    _fixUnnamed(tmpConfig);
                    _viewModel->beginChange();
                    config->copyFrom(tmpConfig);
                    // Save it
                    LinkManager::instance()->saveLinkConfigurationList();
                    _viewModel->endChange();
                    // Tell link about changes (if any)
                    config->updateSettings();
                }
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            }
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            // Discard temporary duplicate
            if(commDialog->getConfig())
                delete commDialog->getConfig();
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        }
    }
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    _updateButtons();
}

void QGCLinkConfiguration::_updateButtons()
{
    LinkConfiguration* config = NULL;
    QModelIndex index = _ui->linkView->currentIndex();
    bool enabled = (index.row() >= 0);
    if(enabled) {
        config = _viewModel->getConfiguration(index.row());
        if(config) {
            LinkInterface* link = config->getLink();
            if(link) {
                _ui->connectLinkButton->setText("Disconnect");
            } else {
                _ui->connectLinkButton->setText("Connect");
            }
        }
    }
    _ui->connectLinkButton->setEnabled(enabled);
    _ui->delLinkButton->setEnabled(config != NULL);
    _ui->editLinkButton->setEnabled(config != NULL);
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}

LinkViewModel::LinkViewModel(QObject *parent) : QAbstractListModel(parent)
{
    Q_UNUSED(parent);
}

int LinkViewModel::rowCount( const QModelIndex & parent) const
{
    Q_UNUSED(parent);
    QList<LinkConfiguration*> cfgList = LinkManager::instance()->getLinkConfigurationList();
    int count = cfgList.count();
    return count;
}

QVariant LinkViewModel::data( const QModelIndex & index, int role) const
{
    QList<LinkConfiguration*> cfgList = LinkManager::instance()->getLinkConfigurationList();
    if (role == Qt::DisplayRole && index.row() < cfgList.count()) {
        QString name(cfgList.at(index.row())->name());
        return name;
    }
    return QVariant();
}

LinkConfiguration* LinkViewModel::getConfiguration(int row)
{
    QList<LinkConfiguration*> cfgList = LinkManager::instance()->getLinkConfigurationList();
    if(row < cfgList.count()) {
        return cfgList.at(row);
    }
    return NULL;
}