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#include "qmlscxml.h"
#include "qscxml.h"
#include <QDebug>
#include "qmlpropertymap.h"
class QmlScxmlEventProxy : public QObject
{
Q_OBJECT
QScxml* scxml;
QString eventName;
public:
QmlScxmlEventProxy (const QString & name, QScxml* scx): QObject(scx)
,scxml(scx),eventName(name)
{
connect(scxml,SIGNAL(eventTriggered(QString)),this,SLOT(onEvent(QString)));
}
Q_SIGNALS:
void triggered();
public Q_SLOTS:
void raise()
{
scxml->postNamedEvent(eventName);
}
void onEvent(const QString & e)
{
if (e == eventName) {
emit triggered();
}
}
};
QmlScxml::QmlScxml(QObject* o) : QObject(o)
,m_states(NULL),m_events(NULL),m_data(NULL),m_cur(NULL),scxml(NULL)
{
}
QmlScxml::~QmlScxml()
{
}
QObject* QmlScxml::states() const
{
return m_states;
}
QObject* QmlScxml::events() const
{
return m_events;
}
QObject* QmlScxml::data() const
{
return m_data;
}
QObject* QmlScxml::current() const
{
return m_cur;
}
QUrl QmlScxml::source() const
{
return m_source;
}
namespace {
QString _q_fixName(QString oldName) {
QString newName;
bool beginWord = false;
if (oldName == oldName.toUpper())
oldName = oldName.toLower();
foreach (QChar c, oldName) {
if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) {
newName += beginWord ? c.toUpper() : (newName=="" ? c.toLower() :c);
beginWord = false;
} else if (newName != "") {
if (c >= '0' && c <= '9') {
newName += c;
} else
beginWord = true;
}
}
return newName;
}
};
void QmlScxml::setSource(const QUrl & u)
{
qDebug() << u;
if (u != m_source) {
m_source = u;
if (scxml) {
delete scxml;
scxml= NULL;
}
scxml = QScxml::load(u.toLocalFile(),this);
if (scxml) {
connect(scxml,SIGNAL(started()),this,SIGNAL(runningChanged()));
connect(scxml,SIGNAL(stopped()),this,SIGNAL(runningChanged()));
connect(scxml,SIGNAL(finished()),this,SIGNAL(finished()));
connect(scxml,SIGNAL(eventTriggered(QString)),this,SIGNAL(trigger(QString)));
connect(scxml,SIGNAL(configurationChanged()),this,SLOT(checkConfig()));
if (m_states)
delete m_states;
if (m_events)
delete m_events;
if (m_data)
delete m_data;
if (m_cur)
delete m_cur;
m_idForState.clear();
m_states = new QmlPropertyMap(this);
m_events = new QmlPropertyMap(this);
m_data = new QmlPropertyMap(this);
m_cur = new QmlPropertyMap(this);
QMap<QString,QVariant> curData = scxml->data();
for (QMap<QString,QVariant>::iterator it = curData.begin(); it != curData.end(); ++it) {
m_data->insert(it.key(),it.value());
}
connect(m_data,SIGNAL(valueChanged(QString)),this,SLOT(onDataChanged(QString)));
QList<QAbstractState*> states = scxml->findChildren<QAbstractState*>();
m_oldConfig = scxml->configuration();
foreach (QAbstractState* s, states) {
QString name = _q_fixName(s->objectName());
if (name != "") {
m_states->insert(name,QVariant::fromValue<QObject*>(s));
m_cur->insert(name,m_oldConfig.contains(s));
m_idForState[s] = name;
}
}
QMap<QString,QString> prefixMap;
QStringList knownEvents = scxml->knownEventNames();
foreach (QString ev, knownEvents) {
prefixMap[_q_fixName(ev)] = ev;
}
for (QMap<QString,QString>::iterator it = prefixMap.begin(); it != prefixMap.end(); ++it) {
if (it.key() != "" && it.value() != "") {
m_events->insert(it.key(),QVariant::fromValue<QObject*>(new QmlScxmlEventProxy(it.value(),scxml)));
}
}
emit statesChanged(m_states);
emit eventsChanged(m_events);
emit dataChanged(m_data);
emit currentChanged(m_cur);
scxml->start();
}
emit sourceChanged(u);
}
}
void QmlScxml::onDataChanged(const QString & key)
{
m_data->blockSignals(true);
scxml->setData(key,(*m_data)[key]);
m_data->blockSignals(false);
}
void QmlScxml::onDataChanged(const QString & key, const QVariant & value)
{
if (m_data) {
(*m_data)[key] = value;
}
}
void QmlScxml::checkConfig()
{
QSet<QAbstractState*> config = scxml->configuration();
if (config != m_oldConfig) {
QSet<QAbstractState*> intersecting = config & m_oldConfig;
QSet<QAbstractState*> toRemove = m_oldConfig - intersecting;
QSet<QAbstractState*> toAdd = config - intersecting;
for (QSet<QAbstractState*>::iterator it = toRemove.begin(); it != toRemove.end(); ++it) {
QString name = m_idForState[*it];
if (name != "") {
(*m_cur)[name] = false;
}
}
for (QSet<QAbstractState*>::iterator it = toAdd.begin(); it != toAdd.end(); ++it) {
QString name = m_idForState[*it];
if (name != "") {
(*m_cur)[name] = true;
}
}
m_oldConfig = config;
emit currentChanged(m_cur);
}
}
bool QmlScxml::isRunning() const
{
return scxml?scxml->isRunning():false;
}
void QmlScxml::setRunning(bool r)
{
if (scxml) {
if (r) {
scxml->start();
} else {
scxml->stop();
}
}
}
void QmlScxml::raise(const QString & e)
{
if (scxml) {
scxml->postNamedEvent(e);
}
}
void QmlScxml::stop()
{
if (scxml) {
scxml->stop();
}
}
void QmlScxml::start()
{
if (scxml) {
scxml->start();
}
}
QML_DEFINE_TYPE(Scxml, 1,0, Scxml, QmlScxml);
#include <qmlscxml.moc>
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