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90.91

/engine/src/doc.cpp

/*
  Q Light Controller Plus
  doc.cpp

  Copyright (c) Heikki Junnila
                Massimo Callegari

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0.txt

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
*/

#include <QXmlStreamReader>
#include <QXmlStreamWriter>
#include <QStringList>
#include <QString>
#include <QDebug>
#include <QList>
#include <QTime>
#include <QDir>
#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
#include <QRandomGenerator>
#endif

#include "qlcfixturemode.h"
#include "qlcfixturedef.h"

#include "monitorproperties.h"
#include "audioplugincache.h"
#include "rgbscriptscache.h"
#include "channelsgroup.h"
#include "scriptwrapper.h"
#include "collection.h"
#include "function.h"
#include "universe.h"
#include "sequence.h"
#include "fixture.h"
#include "chaser.h"
#include "show.h"
#include "doc.h"
#include "bus.h"

#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
 #if defined(__APPLE__) || defined(Q_OS_MAC)
  #include "audiocapture_portaudio.h"
 #elif defined(WIN32) || defined (Q_OS_WIN)
  #include "audiocapture_wavein.h"
 #else
  #include "audiocapture_alsa.h"
 #endif
#elif QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include "audiocapture_qt5.h"
#else
 #include "audiocapture_qt6.h"
#endif

Doc::Doc(QObject* parent, int universes)
    : QObject(parent)
    , m_wsPath("")
    , m_fixtureDefCache(new QLCFixtureDefCache)
    , m_modifiersCache(new QLCModifiersCache)
    , m_rgbScriptsCache(new RGBScriptsCache(this))
    , m_ioPluginCache(new IOPluginCache(this))
    , m_audioPluginCache(new AudioPluginCache(this))
    , m_masterTimer(new MasterTimer(this))
    , m_ioMap(new InputOutputMap(this, universes))
    , m_monitorProps(NULL)
    , m_mode(Design)
    , m_kiosk(false)
    , m_loadStatus(Cleared)
    , m_clipboard(new QLCClipboard(this))
    , m_fixturesListCacheUpToDate(false)
    , m_latestFixtureId(0)
    , m_latestFixtureGroupId(0)
    , m_latestChannelsGroupId(0)
    , m_latestPaletteId(0)
    , m_latestFunctionId(0)
    , m_startupFunctionId(Function::invalidId())
{
    Bus::init(this);
    resetModified();
#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
    qsrand(QTime::currentTime().msec());
#endif
    
}

Doc::~Doc()
{
    delete m_masterTimer;
    m_masterTimer = NULL;

    clearContents();

    if (isKiosk() == false)
    {
        // TODO: is this still needed ??
        //m_ioMap->saveDefaults();
    }
    delete m_ioMap;
    m_ioMap = NULL;

    delete m_ioPluginCache;
    m_ioPluginCache = NULL;

    delete m_modifiersCache;
    m_modifiersCache = NULL;

    delete m_fixtureDefCache;
    m_fixtureDefCache = NULL;
}

void Doc::clearContents()
{
    emit clearing();

    m_clipboard->resetContents();

    if (m_monitorProps != NULL)
        m_monitorProps->reset();

    destroyAudioCapture();

    // Delete all function instances
    QListIterator <quint32> funcit(m_functions.keys());
    while (funcit.hasNext() == true)
    {
        Function* func = m_functions.take(funcit.next());
        if (func == NULL)
            continue;
        emit functionRemoved(func->id());
        delete func;
    }

    // Delete all palettes
    QListIterator <quint32> palIt(m_palettes.keys());
    while (palIt.hasNext() == true)
    {
        QLCPalette *palette = m_palettes.take(palIt.next());
        emit paletteRemoved(palette->id());
        delete palette;
    }

    // Delete all channel groups
    QListIterator <quint32> grpchans(m_channelsGroups.keys());
    while (grpchans.hasNext() == true)
    {
        ChannelsGroup* grp = m_channelsGroups.take(grpchans.next());
        emit channelsGroupRemoved(grp->id());
        delete grp;
    }

    // Delete all fixture groups
    QListIterator <quint32> grpit(m_fixtureGroups.keys());
    while (grpit.hasNext() == true)
    {
        FixtureGroup* grp = m_fixtureGroups.take(grpit.next());
        quint32 grpID = grp->id();
        delete grp;
        emit fixtureGroupRemoved(grpID);
    }

    // Delete all fixture instances
    QListIterator <quint32> fxit(m_fixtures.keys());
    while (fxit.hasNext() == true)
    {
        Fixture* fxi = m_fixtures.take(fxit.next());
        quint32 fxID = fxi->id();
        delete fxi;
        emit fixtureRemoved(fxID);
    }
    m_fixturesListCacheUpToDate = false;

    m_orderedGroups.clear();

    m_latestFunctionId = 0;
    m_latestFixtureId = 0;
    m_latestFixtureGroupId = 0;
    m_latestChannelsGroupId = 0;
    m_latestPaletteId = 0;
    m_addresses.clear();
    m_loadStatus = Cleared;

    emit cleared();
}

void Doc::setWorkspacePath(QString path)
{
    m_wsPath = path;
}

QString Doc::getWorkspacePath() const
{
    return m_wsPath;
}

QString Doc::normalizeComponentPath(const QString& filePath) const
{
    if (filePath.isEmpty())
        return filePath;

    QFileInfo f(filePath);

    if (f.absolutePath().startsWith(getWorkspacePath()))
    {
        return QDir(getWorkspacePath()).relativeFilePath(f.absoluteFilePath());
    }
    else
    {
        return f.absoluteFilePath();
    }
}

QString Doc::denormalizeComponentPath(const QString& filePath) const
{
    if (filePath.isEmpty())
        return filePath;

    return QFileInfo(QDir(getWorkspacePath()), filePath).absoluteFilePath();
}

/*****************************************************************************
 * Engine components
 *****************************************************************************/

QLCFixtureDefCache* Doc::fixtureDefCache() const
{
    return m_fixtureDefCache;
}

void Doc::setFixtureDefinitionCache(QLCFixtureDefCache *cache)
{
    m_fixtureDefCache = cache;
}

QLCModifiersCache* Doc::modifiersCache() const
{
    return m_modifiersCache;
}

RGBScriptsCache* Doc::rgbScriptsCache() const
{
    return m_rgbScriptsCache;
}

IOPluginCache* Doc::ioPluginCache() const
{
    return m_ioPluginCache;
}

AudioPluginCache *Doc::audioPluginCache() const
{
    return m_audioPluginCache;
}

InputOutputMap* Doc::inputOutputMap() const
{
    return m_ioMap;
}

MasterTimer* Doc::masterTimer() const
{
    return m_masterTimer;
}

QSharedPointer<AudioCapture> Doc::audioInputCapture()
{
    if (!m_inputCapture)
    {
        qDebug() << "Creating new audio capture";
        m_inputCapture = QSharedPointer<AudioCapture>(
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
#if defined(__APPLE__) || defined(Q_OS_MAC)
            new AudioCapturePortAudio()
#elif defined(WIN32) || defined (Q_OS_WIN)
            new AudioCaptureWaveIn()
#else
            new AudioCaptureAlsa()
#endif
#elif QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
            new AudioCaptureQt6()
#else
            new AudioCaptureQt6()
#endif
            );
    }
    return m_inputCapture;
}

void Doc::destroyAudioCapture()
{
    if (m_inputCapture.isNull() == false)
    {
        qDebug() << "Destroying audio capture";
        m_inputCapture.clear();
    }
}

/*****************************************************************************
 * Modified status
 *****************************************************************************/
Doc::LoadStatus Doc::loadStatus() const
{
    return m_loadStatus;
}

bool Doc::isModified() const
{
    return m_modified;
}

void Doc::setModified()
{
    m_modified = true;
    emit modified(true);
}

void Doc::resetModified()
{
    m_modified = false;
    emit modified(false);
}

/*****************************************************************************
 * Main operating mode
 *****************************************************************************/

void Doc::setMode(Doc::Mode mode)
{
    /* Don't do mode switching twice */
    if (m_mode == mode)
        return;
    m_mode = mode;

    // Run startup function
    if (m_mode == Operate && m_startupFunctionId != Function::invalidId())
    {
        Function *func = function(m_startupFunctionId);
        if (func != NULL)
        {
            qDebug() << Q_FUNC_INFO << "Starting startup function. (" << m_startupFunctionId << ")";
            func->start(masterTimer(), FunctionParent::master());
        }
        else
        {
            qWarning() << Q_FUNC_INFO << "Startup function does not exist, erasing. (" << m_startupFunctionId << ")";
            m_startupFunctionId = Function::invalidId();
        }
    }

    emit modeChanged(m_mode);
}

Doc::Mode Doc::mode() const
{
    return m_mode;
}

void Doc::setKiosk(bool state)
{
    m_kiosk = state;
}

bool Doc::isKiosk() const
{
    return m_kiosk;
}

/*********************************************************************
 * Clipboard
 *********************************************************************/

QLCClipboard *Doc::clipboard()
{
    return m_clipboard;
}

/*****************************************************************************
 * Fixtures
 *****************************************************************************/

quint32 Doc::createFixtureId()
{
    /* This results in an endless loop if there are UINT_MAX-1 fixtures. That,
       however, seems a bit unlikely. Are there even 4294967295-1 fixtures in
       total in the whole world? */
    while (m_fixtures.contains(m_latestFixtureId) == true ||
           m_latestFixtureId == Fixture::invalidId())
    {
        m_latestFixtureId++;
    }

    return m_latestFixtureId;
}

bool Doc::addFixture(Fixture* fixture, quint32 id, bool crossUniverse)
{
    Q_ASSERT(fixture != NULL);

    quint32 i;
    quint32 uni = fixture->universe();

    // No ID given, this method can assign one
    if (id == Fixture::invalidId())
        id = createFixtureId();

    if (m_fixtures.contains(id) == true || id == Fixture::invalidId())
    {
        qWarning() << Q_FUNC_INFO << "a fixture with ID" << id << "already exists!";
        return false;
    }

    /* Check for overlapping address */
    for (i = fixture->universeAddress();
         i < fixture->universeAddress() + fixture->channels(); i++)
    {
        if (m_addresses.contains(i))
        {
            qWarning() << Q_FUNC_INFO << "fixture" << id << "overlapping with fixture" << m_addresses[i] << "@ channel" << i;
            return false;
        }
    }

    fixture->setID(id);
    m_fixtures.insert(id, fixture);
    m_fixturesListCacheUpToDate = false;

    /* Patch fixture change signals thru Doc */
    connect(fixture, SIGNAL(changed(quint32)),
            this, SLOT(slotFixtureChanged(quint32)));

    /* Keep track of fixture addresses */
    for (i = fixture->universeAddress();
         i < fixture->universeAddress() + fixture->channels(); i++)
    {
        m_addresses[i] = id;
    }

    if (crossUniverse)
        uni = floor((fixture->universeAddress() + fixture->channels()) / 512);

    if (uni >= inputOutputMap()->universesCount())
    {
        for (i = inputOutputMap()->universesCount(); i <= uni; i++)
            inputOutputMap()->addUniverse(i);
        inputOutputMap()->startUniverses();
    }

    // Add the fixture channels capabilities to the universe they belong
    QList<Universe *> universes = inputOutputMap()->claimUniverses();

    QList<int> forcedHTP = fixture->forcedHTPChannels();
    QList<int> forcedLTP = fixture->forcedLTPChannels();
    quint32 fxAddress = fixture->address();

    for (i = 0; i < fixture->channels(); i++)
    {
        const QLCChannel *channel(fixture->channel(i));
        quint32 addr = fxAddress + i;

        if (crossUniverse)
        {
            uni = floor((fixture->universeAddress() + i) / 512);
            addr = (fixture->universeAddress() + i) - (uni * 512);
        }

        // Inform Universe of any HTP/LTP forcing
        if (forcedHTP.contains(int(i)))
            universes.at(uni)->setChannelCapability(addr, channel->group(), Universe::HTP);
        else if (forcedLTP.contains(int(i)))
            universes.at(uni)->setChannelCapability(addr, channel->group(), Universe::LTP);
        else
            universes.at(uni)->setChannelCapability(addr, channel->group());

        // Apply the default value BEFORE modifiers
        universes.at(uni)->setChannelDefaultValue(addr, channel->defaultValue());

        // Apply a channel modifier, if defined
        ChannelModifier *mod = fixture->channelModifier(i);
        universes.at(uni)->setChannelModifier(addr, mod);
    }
    inputOutputMap()->releaseUniverses(true);

    emit fixtureAdded(id);
    setModified();

    return true;
}

bool Doc::deleteFixture(quint32 id)
{
    if (m_fixtures.contains(id) == true)
    {
        Fixture* fxi = m_fixtures.take(id);
        Q_ASSERT(fxi != NULL);
        m_fixturesListCacheUpToDate = false;

        /* Keep track of fixture addresses */
        QMutableHashIterator <uint,uint> it(m_addresses);
        while (it.hasNext() == true)
        {
            it.next();
            if (it.value() == id)
                it.remove();
        }
        if (m_monitorProps != NULL)
            m_monitorProps->removeFixture(id);

        emit fixtureRemoved(id);
        setModified();
        delete fxi;

        if (m_fixtures.count() == 0)
            m_latestFixtureId = 0;

        return true;
    }
    else
    {
        qWarning() << Q_FUNC_INFO << "No fixture with id" << id;
        return false;
    }
}

bool Doc::replaceFixtures(QList<Fixture*> newFixturesList)
{
    // Delete all fixture instances
    QListIterator <quint32> fxit(m_fixtures.keys());
    while (fxit.hasNext() == true)
    {
        Fixture* fxi = m_fixtures.take(fxit.next());
        disconnect(fxi, SIGNAL(changed(quint32)),
                   this, SLOT(slotFixtureChanged(quint32)));
        delete fxi;
        m_fixturesListCacheUpToDate = false;
    }
    m_latestFixtureId = 0;
    m_addresses.clear();

    foreach (Fixture *fixture, newFixturesList)
    {
        quint32 id = fixture->id();
        // create a copy of the original cause remapping will
        // destroy it later
        Fixture *newFixture = new Fixture(this);
        newFixture->setID(id);
        newFixture->setName(fixture->name());
        newFixture->setAddress(fixture->address());
        newFixture->setUniverse(fixture->universe());

        if (fixture->fixtureDef() == NULL ||
            (fixture->fixtureDef()->manufacturer() == KXMLFixtureGeneric &&
             fixture->fixtureDef()->model() == KXMLFixtureGeneric))
        {
            // Generic dimmers just need to know the number of channels
            newFixture->setChannels(fixture->channels());
        }
        else if (fixture->fixtureDef() == NULL ||
            (fixture->fixtureDef()->manufacturer() == KXMLFixtureGeneric &&
             fixture->fixtureDef()->model() == KXMLFixtureRGBPanel))
        {
            // RGB Panels definitions are not cached or shared, so
            // let's make a deep copy of them
            QLCFixtureDef *fixtureDef = new QLCFixtureDef();
            *fixtureDef = *fixture->fixtureDef();
            QLCFixtureMode *mode = new QLCFixtureMode(fixtureDef);
            *mode = *fixture->fixtureMode();
            newFixture->setFixtureDefinition(fixtureDef, mode);
        }
        else
        {
            QLCFixtureDef *def = fixtureDefCache()->fixtureDef(fixture->fixtureDef()->manufacturer(),
                                                               fixture->fixtureDef()->model());
            QLCFixtureMode *mode = NULL;
            if (def != NULL)
                mode = def->mode(fixture->fixtureMode()->name());
            newFixture->setFixtureDefinition(def, mode);
        }

        newFixture->setExcludeFadeChannels(fixture->excludeFadeChannels());
        newFixture->setForcedHTPChannels(fixture->forcedHTPChannels());
        newFixture->setForcedLTPChannels(fixture->forcedLTPChannels());

        m_fixtures.insert(id, newFixture);
        m_fixturesListCacheUpToDate = false;

        /* Patch fixture change signals thru Doc */
        connect(newFixture, SIGNAL(changed(quint32)),
                this, SLOT(slotFixtureChanged(quint32)));

        /* Keep track of fixture addresses */
        for (uint i = newFixture->universeAddress();
             i < newFixture->universeAddress() + newFixture->channels(); i++)
        {
            m_addresses[i] = id;
        }
        m_latestFixtureId = id;
    }
    return true;
}

bool Doc::updateFixtureChannelCapabilities(quint32 id, QList<int> forcedHTP, QList<int> forcedLTP)
{
    if (m_fixtures.contains(id) == false)
        return false;

    Fixture* fixture = m_fixtures[id];
    // get exclusive access to the universes list
    QList<Universe *> universes = inputOutputMap()->claimUniverses();
    Universe *universe = universes.at(fixture->universe());
    quint32 fxAddress = fixture->address();

    // Set forced HTP channels
    fixture->setForcedHTPChannels(forcedHTP);

    // Set forced LTP channels
    fixture->setForcedLTPChannels(forcedLTP);

    // Update the Fixture Universe with the current channel states
    for (quint32 i = 0 ; i < fixture->channels(); i++)
    {
        const QLCChannel *channel(fixture->channel(i));

        // Inform Universe of any HTP/LTP forcing
        if (forcedHTP.contains(int(i)))
            universe->setChannelCapability(fxAddress + i, channel->group(), Universe::HTP);
        else if (forcedLTP.contains(int(i)))
            universe->setChannelCapability(fxAddress + i, channel->group(), Universe::LTP);
        else
            universe->setChannelCapability(fxAddress + i, channel->group());

        // Apply the default value BEFORE modifiers
        universe->setChannelDefaultValue(fxAddress + i, channel->defaultValue());

        // Apply a channel modifier, if defined
        ChannelModifier *mod = fixture->channelModifier(i);
        universe->setChannelModifier(fxAddress + i, mod);
    }

    inputOutputMap()->releaseUniverses(true);

    return true;
}

QList<Fixture*> const& Doc::fixtures() const
{
    if (!m_fixturesListCacheUpToDate)
    {
        // Sort fixtures by id
        QMap <quint32, Fixture*> fixturesMap;
        QHashIterator <quint32, Fixture*> hashIt(m_fixtures);
        while (hashIt.hasNext())
        {
            hashIt.next();
            fixturesMap.insert(hashIt.key(), hashIt.value());
        }
        const_cast<QList<Fixture*>&>(m_fixturesListCache) = fixturesMap.values();
        const_cast<bool&>(m_fixturesListCacheUpToDate) = true;
    }
    return m_fixturesListCache;
}

int Doc::fixturesCount() const
{
    return m_fixtures.count();
}

Fixture* Doc::fixture(quint32 id) const
{
    return m_fixtures.value(id, NULL);
}

quint32 Doc::fixtureForAddress(quint32 universeAddress) const
{
    return m_addresses.value(universeAddress, Fixture::invalidId());
}

int Doc::totalPowerConsumption(int& fuzzy) const
{
    int totalPowerConsumption = 0;

    // Make sure fuzzy starts from zero
    fuzzy = 0;

    QListIterator <Fixture*> fxit(fixtures());
    while (fxit.hasNext() == true)
    {
        Fixture* fxi(fxit.next());
        Q_ASSERT(fxi != NULL);

        if (fxi->fixtureMode() != NULL)
        {
            QLCPhysical phys = fxi->fixtureMode()->physical();
            if (phys.powerConsumption() > 0)
                totalPowerConsumption += phys.powerConsumption();
            else
                fuzzy++;
        }
        else
        {
            fuzzy++;
        }
    }

    return totalPowerConsumption;
}

void Doc::slotFixtureChanged(quint32 id)
{
    /* Keep track of fixture addresses */
    Fixture* fxi = fixture(id);

    // remove it
    QMutableHashIterator <uint,uint> it(m_addresses);
    while (it.hasNext() == true)
    {
        it.next();
        if (it.value() == id)
        {
            qDebug() << Q_FUNC_INFO << " remove: " << it.key() << " val: " << it.value();
            it.remove();
        }
    }

    for (uint i = fxi->universeAddress(); i < fxi->universeAddress() + fxi->channels(); i++)
    {
        /*
         * setting new universe and address calls this twice,
         * with an tmp wrong address after the first call (old address() + new universe()).
         * we only add if the channel is free, to prevent messing up things
         */
        Q_ASSERT(!m_addresses.contains(i));
        m_addresses[i] = id;
    }

    setModified();
    emit fixtureChanged(id);
}

/*****************************************************************************
 * Fixture groups
 *****************************************************************************/

bool Doc::addFixtureGroup(FixtureGroup* grp, quint32 id)
{
    Q_ASSERT(grp != NULL);

    // No ID given, this method can assign one
    if (id == FixtureGroup::invalidId())
        id = createFixtureGroupId();

    if (m_fixtureGroups.contains(id) == true || id == FixtureGroup::invalidId())
    {
        qWarning() << Q_FUNC_INFO << "a fixture group with ID" << id << "already exists!";
        return false;
    }
    else
    {
        grp->setId(id);
        m_fixtureGroups[id] = grp;

        /* Patch fixture group change signals thru Doc */
        connect(grp, SIGNAL(changed(quint32)),
                this, SLOT(slotFixtureGroupChanged(quint32)));

        emit fixtureGroupAdded(id);
        setModified();

        return true;
    }
}

bool Doc::deleteFixtureGroup(quint32 id)
{
    if (m_fixtureGroups.contains(id) == true)
    {
        FixtureGroup* grp = m_fixtureGroups.take(id);
        Q_ASSERT(grp != NULL);

        emit fixtureGroupRemoved(id);
        setModified();
        delete grp;

        return true;
    }
    else
    {
        qWarning() << Q_FUNC_INFO << "No fixture group with id" << id;
        return false;
    }
}

FixtureGroup* Doc::fixtureGroup(quint32 id) const
{
    if (m_fixtureGroups.contains(id) == true)
        return m_fixtureGroups[id];
    else
        return NULL;
}

QList <FixtureGroup*> Doc::fixtureGroups() const
{
    return m_fixtureGroups.values();
}

quint32 Doc::createFixtureGroupId()
{
    /* This results in an endless loop if there are UINT_MAX-1 fixture groups. That,
       however, seems a bit unlikely. Are there even 4294967295-1 fixtures in
       total in the whole world? */
    while (m_fixtureGroups.contains(m_latestFixtureGroupId) == true ||
           m_latestFixtureGroupId == FixtureGroup::invalidId())
    {
        m_latestFixtureGroupId++;
    }

    return m_latestFixtureGroupId;
}

void Doc::slotFixtureGroupChanged(quint32 id)
{
    setModified();
    emit fixtureGroupChanged(id);
}

/*********************************************************************
 * Channels groups
 *********************************************************************/
bool Doc::addChannelsGroup(ChannelsGroup *grp, quint32 id)
{
    Q_ASSERT(grp != NULL);

    // No ID given, this method can assign one
    if (id == ChannelsGroup::invalidId())
        id = createChannelsGroupId();

     grp->setId(id);
     m_channelsGroups[id] = grp;
     if (m_orderedGroups.contains(id) == false)
        m_orderedGroups.append(id);

     emit channelsGroupAdded(id);
     setModified();

     return true;
}

bool Doc::deleteChannelsGroup(quint32 id)
{
    if (m_channelsGroups.contains(id) == true)
    {
        ChannelsGroup* grp = m_channelsGroups.take(id);
        Q_ASSERT(grp != NULL);

        emit channelsGroupRemoved(id);
        setModified();
        delete grp;

        int idx = m_orderedGroups.indexOf(id);
        if (idx != -1)
            m_orderedGroups.takeAt(idx);

        return true;
    }
    else
    {
        qWarning() << Q_FUNC_INFO << "No channels group with id" << id;
        return false;
    }
}

bool Doc::moveChannelGroup(quint32 id, int direction)
{
    if (direction == 0 || m_orderedGroups.contains(id) == false)
        return false;

    int idx = m_orderedGroups.indexOf(id);

    if (idx + direction < 0 || idx + direction >= m_orderedGroups.count())
        return false;

    qDebug() << Q_FUNC_INFO << m_orderedGroups;
    m_orderedGroups.takeAt(idx);
    m_orderedGroups.insert(idx + direction, id);
    qDebug() << Q_FUNC_INFO << m_orderedGroups;

    setModified();
    return true;
}

ChannelsGroup* Doc::channelsGroup(quint32 id) const
{
    if (m_channelsGroups.contains(id) == true)
        return m_channelsGroups[id];
    else
        return NULL;
}

QList <ChannelsGroup*> Doc::channelsGroups() const
{
    QList <ChannelsGroup*> orderedList;

    for (int i = 0; i < m_orderedGroups.count(); i++)
    {
        orderedList.append(m_channelsGroups[m_orderedGroups.at(i)]);
    }
    return orderedList;
}

quint32 Doc::createChannelsGroupId()
{
    while (m_channelsGroups.contains(m_latestChannelsGroupId) == true ||
           m_latestChannelsGroupId == ChannelsGroup::invalidId())
    {
        m_latestChannelsGroupId++;
    }

    return m_latestChannelsGroupId;
}

/*********************************************************************
 * Palettes
 *********************************************************************/

bool Doc::addPalette(QLCPalette *palette, quint32 id)
{
    Q_ASSERT(palette != NULL);

    // No ID given, this method can assign one
    if (id == QLCPalette::invalidId())
        id = createPaletteId();

    if (m_palettes.contains(id) == true || id == QLCPalette::invalidId())
    {
        qWarning() << Q_FUNC_INFO << "a palette with ID" << id << "already exists!";
        return false;
    }
    else
    {
        palette->setID(id);
        m_palettes[id] = palette;

        emit paletteAdded(id);
        setModified();
    }

    return true;
}

bool Doc::deletePalette(quint32 id)
{
    if (m_palettes.contains(id) == true)
    {
        QLCPalette *palette = m_palettes.take(id);
        Q_ASSERT(palette != NULL);

        emit paletteRemoved(id);
        setModified();
        delete palette;

        return true;
    }
    else
    {
        qWarning() << Q_FUNC_INFO << "No palette with id" << id;
        return false;
    }
}

QLCPalette *Doc::palette(quint32 id) const
{
    if (m_palettes.contains(id) == true)
        return m_palettes[id];
    else
        return NULL;
}

QList<QLCPalette *> Doc::palettes() const
{
    return m_palettes.values();
}

quint32 Doc::createPaletteId()
{
    while (m_palettes.contains(m_latestPaletteId) == true ||
           m_latestPaletteId == FixtureGroup::invalidId())
    {
        m_latestPaletteId++;
    }

    return m_latestPaletteId;
}

/*****************************************************************************
 * Functions
 *****************************************************************************/

quint32 Doc::createFunctionId()
{
    /* This results in an endless loop if there are UINT_MAX-1 functions. That,
       however, seems a bit unlikely. Are there even 4294967295-1 functions in
       total in the whole world? */
    while (m_functions.contains(m_latestFunctionId) == true ||
           m_latestFunctionId == Fixture::invalidId())
    {
        m_latestFunctionId++;
    }

    return m_latestFunctionId;
}

bool Doc::addFunction(Function* func, quint32 id)
{
    Q_ASSERT(func != NULL);

    if (id == Function::invalidId())
        id = createFunctionId();

    if (m_functions.contains(id) == true || id == Fixture::invalidId())
    {
        qWarning() << Q_FUNC_INFO << "a function with ID" << id << "already exists!";
        return false;
    }
    else
    {
        // Listen to function changes
        connect(func, SIGNAL(changed(quint32)),
                this, SLOT(slotFunctionChanged(quint32)));

        // Listen to function name changes
        connect(func, SIGNAL(nameChanged(quint32)),
                this, SLOT(slotFunctionNameChanged(quint32)));

        // Make the function listen to fixture removals
        connect(this, SIGNAL(fixtureRemoved(quint32)),
                func, SLOT(slotFixtureRemoved(quint32)));

        // Place the function in the map and assign it the new ID
        m_functions[id] = func;
        func->setID(id);
        emit functionAdded(id);
        setModified();

        return true;
    }
}

QList <Function*> Doc::functions() const
{
    return m_functions.values();
}

QList<Function *> Doc::functionsByType(Function::Type type) const
{
    QList <Function*> list;
    foreach (Function *f, m_functions)
    {
        if (f != NULL && f->type() == type)
            list.append(f);
    }
    return list;
}

Function *Doc::functionByName(QString name)
{
    foreach (Function *f, m_functions)
    {
        if (f != NULL && f->name() == name)
            return f;
    }
    return NULL;
}

bool Doc::deleteFunction(quint32 id)
{
    if (m_functions.contains(id) == true)
    {
        Function* func = m_functions.take(id);
        Q_ASSERT(func != NULL);

        if (m_startupFunctionId == id)
            m_startupFunctionId = Function::invalidId();

        emit functionRemoved(id);
        setModified();
        delete func;

        return true;
    }
    else
    {
        qWarning() << Q_FUNC_INFO << "No function with id" << id;
        return false;
    }
}

Function* Doc::function(quint32 id) const
{
    if (m_functions.contains(id) == true)
        return m_functions[id];
    else
        return NULL;
}

quint32 Doc::nextFunctionID()
{
    quint32 tmpFID = m_latestFunctionId;
    while (m_functions.contains(tmpFID) == true ||
           tmpFID == Fixture::invalidId())
    {
        tmpFID++;
    }

    return tmpFID;
}

void Doc::setStartupFunction(quint32 fid)
{
    m_startupFunctionId = fid;
}

quint32 Doc::startupFunction()
{
    return m_startupFunctionId;
}

QList<quint32> Doc::getUsage(quint32 fid)
{
    QList<quint32> usageList;

    foreach (Function *f, m_functions)
    {
        if (f->id() == fid)
            continue;

        switch(f->type())
        {
            case Function::CollectionType:
            {
                Collection *c = qobject_cast<Collection *>(f);
                int pos = c->functions().indexOf(fid);
                if (pos != -1)
                {
                    usageList.append(f->id());
                    usageList.append(pos);
                }
            }
            break;
            case Function::ChaserType:

            {
                Chaser *c = qobject_cast<Chaser *>(f);
                for (int i = 0; i < c->stepsCount(); i++)
                {
                    ChaserStep *cs = c->stepAt(i);
                    if (cs->fid == fid)
                    {
                        usageList.append(f->id());
                        usageList.append(i);
                    }
                }
            }
            break;
            case Function::SequenceType:
            {
                Sequence *s = qobject_cast<Sequence *>(f);
                if (s->boundSceneID() == fid)
                {
                    usageList.append(f->id());
                    usageList.append(0);
                }
            }
            break;
            case Function::ScriptType:
            {
                Script *s = qobject_cast<Script *>(f);
                QList<quint32> l = s->functionList();
                for (int i = 0; i < l.count(); i+=2)
                {
                    if (l.at(i) == fid)
                    {
                        if (i + 1 >= l.count()) {
                            qDebug() << "Doc::getUsage: Index entry missing on " << f->name();
                            break;
                        }
                        usageList.append(s->id());
                        usageList.append(l.at(i + 1)); // line number
                    }
                }
            }
            break;
            case Function::ShowType:
            {
                Show *s = qobject_cast<Show *>(f);
                foreach (Track *t, s->tracks())
                {
                    foreach (ShowFunction *sf, t->showFunctions())
                    {
                        if (sf->functionID() == fid)
                        {
                            usageList.append(f->id());
                            usageList.append(t->id());
                        }
                    }
                }
            }
            break;
            default:
            break;
        }
    }

    return usageList;
}

void Doc::slotFunctionChanged(quint32 fid)
{
    setModified();
    emit functionChanged(fid);
}

void Doc::slotFunctionNameChanged(quint32 fid)
{
    setModified();
    emit functionNameChanged(fid);
}

/*********************************************************************
 * Monitor Properties
 *********************************************************************/

MonitorProperties *Doc::monitorProperties()
{
    if (m_monitorProps == NULL)
        m_monitorProps = new MonitorProperties();

    return m_monitorProps;
}

/*****************************************************************************
 * Load & Save
 *****************************************************************************/

bool Doc::loadXML(QXmlStreamReader &doc, bool loadIO)
{
    clearErrorLog();

    if (doc.name() != KXMLQLCEngine)
    {
        qWarning() << Q_FUNC_INFO << "Engine node not found";
        return false;
    }

    m_loadStatus = Loading;
    emit loading();

    if (doc.attributes().hasAttribute(KXMLQLCStartupFunction))
    {
        quint32 sID = doc.attributes().value(KXMLQLCStartupFunction).toString().toUInt();
        if (sID != Function::invalidId())
            setStartupFunction(sID);
    }

    while (doc.readNextStartElement())
    {
        //qDebug() << "Doc tag:" << doc.name();
        if (doc.name() == KXMLFixture)
        {
            Fixture::loader(doc, this);
        }
        else if (doc.name() == KXMLQLCFixtureGroup)
        {
            FixtureGroup::loader(doc, this);
        }
        else if (doc.name() == KXMLQLCChannelsGroup)
        {
            ChannelsGroup::loader(doc, this);
        }
        else if (doc.name() == KXMLQLCPalette)
        {
            QLCPalette::loader(doc, this);
            doc.skipCurrentElement();
        }
        else if (doc.name() == KXMLQLCFunction)
        {
            //qDebug() << doc.attributes().value("Name").toString();
            Function::loader(doc, this);
        }
        else if (doc.name() == KXMLQLCBus)
        {
            /* LEGACY */
            Bus::instance()->loadXML(doc);
        }
        else if (doc.name() == KXMLIOMap && loadIO)
        {
            m_ioMap->loadXML(doc);
        }
        else if (doc.name() == KXMLQLCMonitorProperties)
        {
            monitorProperties()->loadXML(doc, this);
        }
        else
        {
            qWarning() << Q_FUNC_INFO << "Unknown engine tag:" << doc.name();
            doc.skipCurrentElement();
        }
    }

    postLoad();

    m_loadStatus = Loaded;
    emit loaded();

    return true;
}

bool Doc::saveXML(QXmlStreamWriter *doc)
{
    Q_ASSERT(doc != NULL);

    /* Create the master Engine node */
    doc->writeStartElement(KXMLQLCEngine);

    if (startupFunction() != Function::invalidId())
        doc->writeAttribute(KXMLQLCStartupFunction, QString::number(startupFunction()));

    m_ioMap->saveXML(doc);

    /* Write fixtures into an XML document */
    QListIterator <Fixture*> fxit(fixtures());
    while (fxit.hasNext() == true)
    {
        Fixture *fxi(fxit.next());
        Q_ASSERT(fxi != NULL);
        fxi->saveXML(doc);
    }

    /* Write fixture groups into an XML document */
    QListIterator <FixtureGroup*> grpit(fixtureGroups());
    while (grpit.hasNext() == true)
    {
        FixtureGroup *grp(grpit.next());
        Q_ASSERT(grp != NULL);
        grp->saveXML(doc);
    }

    /* Write channel groups into an XML document */
    QListIterator <ChannelsGroup*> chanGroups(channelsGroups());
    while (chanGroups.hasNext() == true)
    {
        ChannelsGroup *grp(chanGroups.next());
        Q_ASSERT(grp != NULL);
        grp->saveXML(doc);
    }

    /* Write palettes into an XML document */
    QListIterator <QLCPalette*> paletteIt(palettes());
    while (paletteIt.hasNext() == true)
    {
        QLCPalette *palette(paletteIt.next());
        Q_ASSERT(palette != NULL);
        palette->saveXML(doc);
    }

    /* Write functions into an XML document */
    QListIterator <Function*> funcit(functions());
    while (funcit.hasNext() == true)
    {
        Function *func(funcit.next());
        Q_ASSERT(func != NULL);
        func->saveXML(doc);
    }

    if (m_monitorProps != NULL)
        m_monitorProps->saveXML(doc, this);

    /* End the <Engine> tag */
    doc->writeEndElement();

    return true;
}

void Doc::appendToErrorLog(QString error)
{
    if (m_errorLog.contains(error))
        return;

    m_errorLog.append(error);
    m_errorLog.append("<br>");
}

void Doc::clearErrorLog()
{
    m_errorLog = "";
}

QString Doc::errorLog()
{
    return m_errorLog;
}

void Doc::postLoad()
{
    QListIterator <Function*> functionit(functions());
    while (functionit.hasNext() == true)
    {
        Function* function(functionit.next());
        Q_ASSERT(function != NULL);
        function->postLoad();
    }
}

mcallegari / qlcplus / 13633248611

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