QDeclarativeListAccessor Class Reference

#include <qdeclarativelistaccessor_p.h>

Public Types
enum	Type {   Invalid, StringList, VariantList, ListProperty,   Instance, Integer }

Public Functions
QVariant	at (int) const
int	count () const
bool	isValid () const
QVariant	list () const
	QDeclarativeListAccessor ()
void	setList (const QVariant &, QDeclarativeEngine *=0)
Type	type () const
	~QDeclarativeListAccessor ()

Properties
QVariant	d
Type	m_type

Detailed Description

Definition at line 54 of file qdeclarativelistaccessor_p.h.

Enumerations

Type

enum QDeclarativeListAccessor::Type

Enumerator
Invalid
StringList
VariantList
ListProperty
Instance
Integer

Definition at line 68 of file qdeclarativelistaccessor_p.h.

{ Invalid, StringList, VariantList, ListProperty, Instance, Integer };

Constructors and Destructors

QDeclarativeListAccessor()

QDeclarativeListAccessor::QDeclarativeListAccessor

(

)

Definition at line 54 of file qdeclarativelistaccessor.cpp.

: m_type(Invalid)
{
}

~QDeclarativeListAccessor()

QDeclarativeListAccessor::~QDeclarativeListAccessor

(

)

Definition at line 59 of file qdeclarativelistaccessor.cpp.

{
}

Functions

at()

QVariant QDeclarativeListAccessor::at

(

int

idx

)

const

Definition at line 113 of file qdeclarativelistaccessor.cpp.

Referenced by QDeclarativeVisualDataModelDataMetaObject::initialValue().

{
    Q_ASSERT(idx >= 0 && idx < count());
    switch(m_type) {
    case StringList:
        return QVariant::fromValue(qvariant_cast<QStringList>(d).at(idx));
    case VariantList:
        return qvariant_cast<QVariantList>(d).at(idx);
    case ListProperty:
        return QVariant::fromValue(((QDeclarativeListReference *)d.constData())->at(idx));
    case Instance:
        return d;
    case Integer:
        return QVariant(idx);
    default:
    case Invalid:
        return QVariant();
    }
}

count()

int QDeclarativeListAccessor::count

(

)

const

Definition at line 94 of file qdeclarativelistaccessor.cpp.

Referenced by at().

{
    switch(m_type) {
    case StringList:
        return qvariant_cast<QStringList>(d).count();
    case VariantList:
        return qvariant_cast<QVariantList>(d).count();
    case ListProperty:
        return ((QDeclarativeListReference *)d.constData())->count();
    case Instance:
        return 1;
    case Integer:
        return d.toInt();
    default:
    case Invalid:
        return 0;
    }
}

isValid()

bool QDeclarativeListAccessor::isValid

(

)

const

Definition at line 133 of file qdeclarativelistaccessor.cpp.

{
    return m_type != Invalid;
}

list()

QVariant QDeclarativeListAccessor::list

(

)

const

Definition at line 63 of file qdeclarativelistaccessor.cpp.

{
    return d;
}

setList()

void QDeclarativeListAccessor::setList	(	const QVariant &	v,
		QDeclarativeEngine *	engine = 0
	)

Definition at line 68 of file qdeclarativelistaccessor.cpp.

{
    d = v;

    QDeclarativeEnginePrivate *enginePrivate = engine?QDeclarativeEnginePrivate::get(engine):0;

    if (!d.isValid()) {
        m_type = Invalid;
    } else if (d.userType() == QVariant::StringList) {
        m_type = StringList;
    } else if (d.userType() == QMetaType::QVariantList) {
        m_type = VariantList;
    } else if (d.canConvert(QVariant::Int)) {
        m_type = Integer;
    } else if ((!enginePrivate && QDeclarativeMetaType::isQObject(d.userType())) ||
               (enginePrivate && enginePrivate->isQObject(d.userType()))) {
        QObject *data = enginePrivate?enginePrivate->toQObject(v):QDeclarativeMetaType::toQObject(v);
        d = QVariant::fromValue(data);
        m_type = Instance;
    } else if (d.userType() == qMetaTypeId<QDeclarativeListReference>()) {
        m_type = ListProperty;
    } else {
        m_type = Instance;
    }
}

type()

Type QDeclarativeListAccessor::type ( ) const

inline

Definition at line 69 of file qdeclarativelistaccessor_p.h.

Referenced by QDeclarativeVisualDataModelDataMetaObject::createProperty(), and QDeclarativeVisualDataModelDataMetaObject::initialValue().

{ return m_type; }

Properties

d

QVariant QDeclarativeListAccessor::d

private

Definition at line 73 of file qdeclarativelistaccessor_p.h.

Referenced by at(), count(), list(), and setList().

m_type

Type QDeclarativeListAccessor::m_type

private

Definition at line 72 of file qdeclarativelistaccessor_p.h.

Referenced by at(), count(), isValid(), and setList().

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

• /src/declarative/util/qdeclarativelistaccessor_p.h
• /src/declarative/util/qdeclarativelistaccessor.cpp