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/****************************************************************************
**
** Copyright (c) 2015 Digia Plc
** For any questions to Digia, please use contact form at http://qt.digia.com/
**
** All Rights Reserved.
**
** NOTICE: All information contained herein is, and remains
** the property of Digia Plc and its suppliers,
** if any. The intellectual and technical concepts contained
** herein are proprietary to Digia Plc
** and its suppliers and may be covered by Finnish and Foreign Patents,
** patents in process, and are protected by trade secret or copyright law.
** Dissemination of this information or reproduction of this material
** is strictly forbidden unless prior written permission is obtained
** from Digia Plc.
****************************************************************************/
#include "state.h"
#include "statemachine.h"
#include <QScxml/scxmlstatetable.h>
#include <QQmlInfo>
State::State(StateMachine *parent)
: QObject(parent)
, completed(false)
, active(false)
{}
void State::componentComplete()
{
completed = true;
establishConnections();
if (Scxml::StateTable *table = qobject_cast<StateMachine *>(parent())->stateMachine())
active = table->currentStates().contains(m_scxmlName);
if (active)
emit activeChanged(active);
}
bool State::isActive() const
{
return active;
}
QString State::scxmlName() const
{
return m_scxmlName;
}
void State::setScxmlName(const QString &scxmlName)
{
if (m_scxmlName != scxmlName) {
m_scxmlName = scxmlName;
breakConnections();
establishConnections();
emit scxmlNameChanged();
}
}
void State::setActive(bool active)
{
this->active = active;
emit activeChanged(active);
}
void State::breakConnections()
{
disconnect(activeConnection);
disconnect(didEnterConnection);
disconnect(willExitConnection);
}
void State::establishConnections()
{
if (!completed)
return;
Scxml::StateTable *table = qobject_cast<StateMachine *>(parent())->stateMachine();
if (table == nullptr) {
qmlInfo(this) << QStringLiteral("State is not part of a StateTable.");
return;
}
if (!table->hasState(m_scxmlName)) {
qmlInfo(this) << QStringLiteral("No state '%1' found.").arg(m_scxmlName);
return;
}
activeConnection = table->connect(m_scxmlName, SIGNAL(activeChanged(bool)), this, SLOT(setActive(bool)));
didEnterConnection = table->connect(m_scxmlName, SIGNAL(didEnter()), this, SIGNAL(didEnter()));
willExitConnection = table->connect(m_scxmlName, SIGNAL(willExit()), this, SIGNAL(willExit()));
}
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