scenarioitem.cpp

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/*
 * This file is part of ArmarX.
 *
 * Copyright (C) 2011-2016, High Performance Humanoid Technologies (H2T), Karlsruhe Institute of Technology (KIT), all rights reserved.
 *
 * ArmarX is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * ArmarX 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 this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * @package    ArmarXCore::core
 * @author     Cedric Seehausen (usdnr at kit dot edu)
 * @date       2016
 * @copyright  http://www.gnu.org/licenses/gpl-2.0.txt
 *             GNU General Public License
 */
 
 
#include "scenarioitem.h"
 
#include <ArmarXCore/core/exceptions/local/ExpressionException.h>
#include <ArmarXCore/core/logging/Logging.h>
 
using namespace armarx;
using namespace ScenarioManager;
using namespace Data_Structure;
 
ScenarioItem::ScenarioItem(QList<QVariant> rootData)
{
    m_itemData = rootData.toVector();
}
 
ScenarioItem::ScenarioItem(ScenarioPtr scenario)
{
    this->scenario = scenario;
 
    update();
}
 
ScenarioItem::ScenarioItem(ApplicationInstancePtr application)
{
    this->application = application;
    setEnabled(application->getEnabled());
 
    update();
}
 
ScenarioItem::ScenarioItem(std::string name, std::vector<ApplicationInstancePtr> applications) :
    applications(new std::vector<ApplicationInstancePtr>(applications))
{
    this->packageName = name;
 
    for (const auto& appl : applications)
    {
        ScenarioItem* currentItem = new ScenarioItem(appl);
        currentItem->setEnabled(appl->getEnabled());
 
        this->appendChild(currentItem);
    }
 
    update();
}
 
bool
ScenarioItem::update()
{
    const QVector<QVariant> previousData = m_itemData;
    const Intent previousIntent = pendingIntent;
 
    if (m_itemData.size() < 5)
    {
        m_itemData.resize(5);
        m_itemData[1] = "Start";
        m_itemData[2] = "Stop";
        m_itemData[3] = "Restart";
    }
    if (scenario.get() != nullptr)
    {
        m_itemData[0] = scenario->getName().c_str();
        m_itemData[4] = QString::fromStdString(scenario->getStatus());
        pendingIntent = aggregateChildIntents();
    }
    else if (!packageName.empty())
    {
        m_itemData[0] = QString::fromStdString(packageName);
 
        // The children have already been updated by ScenarioModel::update(), which walks the tree
        // bottom-up. Do not update them again from here: that used to make every application item
        // recompute itself twice per refresh.
        std::vector<std::string> childStati;
        childStati.reserve(childCount());
        for (int i = 0; i < childCount(); i++)
        {
            ARMARX_CHECK_EXPRESSION(child(i));
            if (!child(i)->isEnabled())
            {
                continue;
            }
            childStati.push_back(child(i)->data(4).toString().toStdString());
        }
 
        m_itemData[4] = QString::fromStdString(ApplicationStatus::Aggregate(childStati));
        pendingIntent = aggregateChildIntents();
    }
    else
    {
        if (application->getInstanceName().empty())
        {
            m_itemData[0] = application->getName().c_str();
        }
        else
        {
            m_itemData[0] = (application->getInstanceName() + "." + application->getName()).c_str();
        }
 
        pendingIntent = application->getPendingIntent();
 
        std::string status = application->getStatus();
        if (!application->getFound())
        {
            m_itemData[4] = QVariant(QString::fromStdString(ApplicationStatus::Missing));
        }
        else if (status == ApplicationStatus::Running)
        {
            m_itemData[4] = QVariant(QString::fromStdString(ApplicationStatus::Running));
        }
        else if (status == ApplicationStatus::Stopped)
        {
            m_itemData[4] = QVariant(QString::fromStdString(ApplicationStatus::Stopped));
        }
        else if (status == ApplicationStatus::Inactive)
        {
            m_itemData[4] = QVariant(QString::fromStdString(ApplicationStatus::Inactive));
        }
        else if (status == ApplicationStatus::Waiting)
        {
            m_itemData[4] = QVariant(QString::fromStdString(ApplicationStatus::Waiting));
        }
        else
        {
            m_itemData[4] = QVariant(QString::fromStdString(ApplicationStatus::Unknown));
        }
 
        if (m_itemData[4] == QString::fromStdString(ApplicationStatus::Missing) &&
            previousData.value(4) != m_itemData[4])
        {
            // Status is shown as "Missing", no need for a warning, info is enough. Only logged on
            // the transition: this runs on the GUI thread on every status refresh.
            ARMARX_INFO << "Application '" + application->getExecutableAbsPath() + "' not found!";
        }
 
        setEnabled(application->getEnabled());
    }
 
    return m_itemData != previousData || pendingIntent != previousIntent;
}
 
Intent
ScenarioItem::getPendingIntent() const
{
    return pendingIntent;
}
 
Intent
ScenarioItem::aggregateChildIntents()
{
    Intent shared = Intent::None;
    for (int i = 0; i < childCount(); i++)
    {
        auto* item = dynamic_cast<ScenarioItem*>(child(i));
        if (item == nullptr || !item->isEnabled())
        {
            continue;
        }
 
        const Intent childIntent = item->getPendingIntent();
        if (childIntent == Intent::None)
        {
            continue;
        }
        if (shared == Intent::None)
        {
            shared = childIntent;
        }
        else if (shared != childIntent)
        {
            // The subtree is doing different things at once - do not claim any single one of them.
            return Intent::None;
        }
    }
    return shared;
}
 
std::string
ScenarioItem::getPackageName()
{
    return packageName;
}
 
ScenarioPtr
ScenarioItem::getScenario()
{
    return scenario;
}
 
ApplicationInstancePtr
ScenarioItem::getApplicationInstance()
{
    return application;
}
 
ApplicationInstanceVectorPtr
ScenarioItem::getApplicationInstances()
{
    return applications;
}