QDeclarativeValueTypeScriptClass Class Reference

#include <qdeclarativevaluetypescriptclass_p.h>

Inheritance diagram for QDeclarativeValueTypeScriptClass:

Public Functions
QScriptValue	newObject (QObject *object, int coreIndex, QDeclarativeValueType *)
QScriptValue	newObject (const QVariant &, QDeclarativeValueType *)
virtual Value	property (Object *, const Identifier &)
	QDeclarativeValueTypeScriptClass (QDeclarativeEngine *)
virtual QScriptClass::QueryFlags	queryProperty (Object *, const Identifier &, QScriptClass::QueryFlags flags)
virtual void	setProperty (Object *, const Identifier &name, const QScriptValue &)
virtual QVariant	toVariant (Object *, bool *ok=0)
QVariant	toVariant (const QScriptValue &)
	~QDeclarativeValueTypeScriptClass ()
Public Functions inherited from QScriptDeclarativeClass
virtual Value	call (Object *, QScriptContext *)
virtual bool	compare (Object *, Object *)
QScriptContext *	context () const
PersistentIdentifier	createPersistentIdentifier (const QString &)
PersistentIdentifier	createPersistentIdentifier (const Identifier &)
QScriptEngine *	engine () const
virtual bool	isQObject () const
virtual QScriptValue::PropertyFlags	propertyFlags (Object *, const Identifier &)
virtual QStringList	propertyNames (Object *)
	QScriptDeclarativeClass (QScriptEngine *engine)
void	setSupportsCall (bool)
bool	startsWithUpper (const Identifier &)
bool	supportsCall () const
quint32	toArrayIndex (const Identifier &, bool *ok)
virtual QObject *	toQObject (Object *, bool *ok=0)
QString	toString (const Identifier &)
virtual	~QScriptDeclarativeClass ()

Properties
QDeclarativeEngine *	engine
int	m_lastIndex

Additional Inherited Members
Public Types inherited from QScriptDeclarativeClass
typedef void *	Identifier
Static Public Functions inherited from QScriptDeclarativeClass
static QScriptValue	function (const QScriptValue &, const Identifier &)
static Value	functionValue (const QScriptValue &, const Identifier &)
static QScriptValue	newObject (QScriptEngine *, QScriptDeclarativeClass *, Object *)
static Value	newObjectValue (QScriptEngine *, QScriptDeclarativeClass *, Object *)
static QScriptValue	newStaticScopeObject (QScriptEngine *, int propertyCount, const QString *names, const QScriptValue *values, const QScriptValue::PropertyFlags *flags)
	Creates a scope object with a fixed set of undeletable properties. More...
static QScriptValue	newStaticScopeObject (QScriptEngine *)
	Creates a static scope object that's initially empty, but to which new properties can be added. More...
static Object *	object (const QScriptValue &)
static QScriptValue	property (const QScriptValue &, const Identifier &)
static Value	propertyValue (const QScriptValue &, const Identifier &)
static QScriptContext *	pushCleanContext (QScriptEngine *)
	Enters a new execution context and returns the associated QScriptContext object. More...
static QScriptValue	scopeChainValue (QScriptContext *, int index)
static QScriptDeclarativeClass *	scriptClass (const QScriptValue &)
Protected Variables inherited from QScriptDeclarativeClass
QScopedPointer< QScriptDeclarativeClassPrivate >	d_ptr

Detailed Description

Definition at line 63 of file qdeclarativevaluetypescriptclass_p.h.

Constructors and Destructors

QDeclarativeValueTypeScriptClass()

QDeclarativeValueTypeScriptClass::QDeclarativeValueTypeScriptClass

(

QDeclarativeEngine *

bindEngine

)

Definition at line 71 of file qdeclarativevaluetypescriptclass.cpp.

: QScriptDeclarativeClass(QDeclarativeEnginePrivate::getScriptEngine(bindEngine)), engine(bindEngine)
{
}

~QDeclarativeValueTypeScriptClass()

QDeclarativeValueTypeScriptClass::~QDeclarativeValueTypeScriptClass

(

)

Definition at line 76 of file qdeclarativevaluetypescriptclass.cpp.

{
}

Functions

newObject() [1/2]

QScriptValue QDeclarativeValueTypeScriptClass::newObject	(	QObject *	object,
		int	coreIndex,
		QDeclarativeValueType *	type
	)

Definition at line 80 of file qdeclarativevaluetypescriptclass.cpp.

Referenced by QDeclarativeObjectScriptClass::property().

{
    QDeclarativeValueTypeReference *ref = new QDeclarativeValueTypeReference;
    ref->type = type;
    ref->object = object;
    ref->property = coreIndex;
    QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
    return QScriptDeclarativeClass::newObject(scriptEngine, this, ref);
}

newObject() [2/2]

QScriptValue QDeclarativeValueTypeScriptClass::newObject	(	const QVariant &	v,
		QDeclarativeValueType *	type
	)

Definition at line 90 of file qdeclarativevaluetypescriptclass.cpp.

{
    QDeclarativeValueTypeCopy *copy = new QDeclarativeValueTypeCopy;
    copy->type = type;
    copy->value = v;
    QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
    return QScriptDeclarativeClass::newObject(scriptEngine, this, copy);
}

property()

QDeclarativeValueTypeScriptClass::Value QDeclarativeValueTypeScriptClass::property ( Object *  obj, const Identifier &    )

virtual

Reimplemented from QScriptDeclarativeClass.

Definition at line 133 of file qdeclarativevaluetypescriptclass.cpp.

{
    QDeclarativeValueTypeObject *o = static_cast<QDeclarativeValueTypeObject *>(obj);

    QVariant rv;
    if (o->objectType == QDeclarativeValueTypeObject::Reference) {
        QDeclarativeValueTypeReference *ref = static_cast<QDeclarativeValueTypeReference *>(obj);

        QMetaProperty p = ref->type->metaObject()->property(m_lastIndex);
        ref->type->read(ref->object, ref->property);
        rv = p.read(ref->type);
    } else {
        QDeclarativeValueTypeCopy *copy = static_cast<QDeclarativeValueTypeCopy *>(obj);

        QMetaProperty p = copy->type->metaObject()->property(m_lastIndex);
        copy->type->setValue(copy->value);
        rv = p.read(copy->type);
    }

    QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
    return Value(scriptEngine, static_cast<QDeclarativeEnginePrivate *>(QObjectPrivate::get(engine))->scriptValueFromVariant(rv));
}

queryProperty()

QScriptClass::QueryFlags QDeclarativeValueTypeScriptClass::queryProperty ( Object *  obj, const Identifier &  name, QScriptClass::QueryFlags  flags  )

virtual

Reimplemented from QScriptDeclarativeClass.

Definition at line 100 of file qdeclarativevaluetypescriptclass.cpp.

{
    QDeclarativeValueTypeObject *o = static_cast<QDeclarativeValueTypeObject *>(obj);

    m_lastIndex = -1;

    QByteArray propName = toString(name).toUtf8();

    m_lastIndex = o->type->metaObject()->indexOfProperty(propName.constData());
    if (m_lastIndex == -1)
        return 0;

    QScriptClass::QueryFlags rv = 0;

    if (o->objectType == QDeclarativeValueTypeObject::Reference) {
        QDeclarativeValueTypeReference *ref = static_cast<QDeclarativeValueTypeReference *>(o);

        if (!ref->object)
            return 0;

        QMetaProperty prop = ref->object->metaObject()->property(m_lastIndex);

        rv = QScriptClass::HandlesReadAccess;
        if (prop.isWritable())
            rv |= QScriptClass::HandlesWriteAccess;
    } else {
        rv = QScriptClass::HandlesReadAccess | QScriptClass::HandlesWriteAccess;
    }

    return rv;
}

setProperty()

void QDeclarativeValueTypeScriptClass::setProperty ( Object *  obj, const Identifier &  name, const QScriptValue &  value  )

virtual

Reimplemented from QScriptDeclarativeClass.

Definition at line 156 of file qdeclarativevaluetypescriptclass.cpp.

{
    QDeclarativeValueTypeObject *o = static_cast<QDeclarativeValueTypeObject *>(obj);

    QVariant v = QDeclarativeEnginePrivate::get(engine)->scriptValueToVariant(value);

    if (o->objectType == QDeclarativeValueTypeObject::Reference) {
        QDeclarativeValueTypeReference *ref = static_cast<QDeclarativeValueTypeReference *>(obj);

        ref->type->read(ref->object, ref->property);
        QMetaProperty p = ref->type->metaObject()->property(m_lastIndex);

        QDeclarativeBinding *newBinding = 0;
        if (value.isFunction() && !value.isRegExp()) {
            QDeclarativeContextData *ctxt = QDeclarativeEnginePrivate::get(engine)->getContext(context());

            QDeclarativePropertyCache::Data cacheData;
            cacheData.flags = QDeclarativePropertyCache::Data::IsWritable;
            cacheData.propType = ref->object->metaObject()->property(ref->property).userType();
            cacheData.coreIndex = ref->property;

            QDeclarativePropertyCache::ValueTypeData valueTypeData;
            valueTypeData.valueTypeCoreIdx = m_lastIndex;
            valueTypeData.valueTypePropType = p.userType();

            newBinding = new QDeclarativeBinding(value, ref->object, ctxt);
            QScriptContextInfo ctxtInfo(context());
            newBinding->setSourceLocation(ctxtInfo.fileName(), ctxtInfo.functionStartLineNumber());
            QDeclarativeProperty prop = QDeclarativePropertyPrivate::restore(cacheData, valueTypeData, ref->object, ctxt);
            newBinding->setTarget(prop);
            if (newBinding->expression().contains(QLatin1String("this")))
                newBinding->setEvaluateFlags(newBinding->evaluateFlags() | QDeclarativeBinding::RequiresThisObject);
        }

        QDeclarativeAbstractBinding *delBinding = 
            QDeclarativePropertyPrivate::setBinding(ref->object, ref->property, m_lastIndex, newBinding);
        if (delBinding) 
            delBinding->destroy();

        if (p.isEnumType() && (QMetaType::Type)v.type() == QMetaType::Double) 
            v = v.toInt();
        p.write(ref->type, v);
        ref->type->write(ref->object, ref->property, 0);

    } else {
        QDeclarativeValueTypeCopy *copy = static_cast<QDeclarativeValueTypeCopy *>(obj);
        copy->type->setValue(copy->value);
        QMetaProperty p = copy->type->metaObject()->property(m_lastIndex);
        p.write(copy->type, v);
        copy->value = copy->type->value();
    }
}

toVariant() [1/2]

QVariant QDeclarativeValueTypeScriptClass::toVariant ( Object *  obj, bool *  ok = 0  )

virtual

Reimplemented from QScriptDeclarativeClass.

Definition at line 210 of file qdeclarativevaluetypescriptclass.cpp.

Referenced by toVariant().

{
    QDeclarativeValueTypeObject *o = static_cast<QDeclarativeValueTypeObject *>(obj);

    if (o->objectType == QDeclarativeValueTypeObject::Reference) {
        QDeclarativeValueTypeReference *ref = static_cast<QDeclarativeValueTypeReference *>(obj);

        if (ok) *ok = true;

        if (ref->object) {
            ref->type->read(ref->object, ref->property);
            return ref->type->value();
        }
    } else {
        QDeclarativeValueTypeCopy *copy = static_cast<QDeclarativeValueTypeCopy *>(obj);
        
        if (ok) *ok = true;

        return copy->value;
    }

    return QVariant();
}

toVariant() [2/2]

QVariant QDeclarativeValueTypeScriptClass::toVariant

(

const QScriptValue &

value

)

Definition at line 234 of file qdeclarativevaluetypescriptclass.cpp.

{
    Q_ASSERT(scriptClass(value) == this);

    return toVariant(object(value), 0);
}

Properties

engine

QDeclarativeEngine* QDeclarativeValueTypeScriptClass::engine

private

Definition at line 80 of file qdeclarativevaluetypescriptclass_p.h.

m_lastIndex

int QDeclarativeValueTypeScriptClass::m_lastIndex

private

Definition at line 81 of file qdeclarativevaluetypescriptclass_p.h.

Referenced by property(), queryProperty(), and setProperty().

---

The documentation for this class was generated from the following files:

• /src/declarative/qml/qdeclarativevaluetypescriptclass_p.h
• /src/declarative/qml/qdeclarativevaluetypescriptclass.cpp