FlatListModel Class Reference

#include <qdeclarativelistmodel_p_p.h>

Public Functions
void	clear ()
int	count () const
QVariant	data (int index, int role) const
	FlatListModel (QDeclarativeListModel *base)
QScriptValue	get (int index) const
bool	insert (int index, const QScriptValue &)
void	move (int from, int to, int count)
void	remove (int index)
QList< int >	roles () const
void	set (int index, const QScriptValue &, QList< int > *roles)
void	setProperty (int index, const QString &property, const QVariant &value, QList< int > *roles)
QString	toString (int role) const
	~FlatListModel ()

Private Functions
bool	addValue (const QScriptValue &value, QHash< int, QVariant > *row, QList< int > *roles)
void	insertedNode (int index)
void	moveNodes (int from, int to, int n)
void	removedNode (int index)

Properties
QDeclarativeListModel *	m_listModel
QList< FlatNodeData * >	m_nodeData
QDeclarativeListModelWorkerAgent *	m_parentAgent
QHash< int, QString >	m_roles
FlatListScriptClass *	m_scriptClass
QScriptEngine *	m_scriptEngine
QHash< QString, int >	m_strings
QList< QHash< int, QVariant > >	m_values

Friends
class	FlatListScriptClass
class	FlatNodeData
class	QDeclarativeListModel
class	QDeclarativeListModelWorkerAgent

Detailed Description

Definition at line 76 of file qdeclarativelistmodel_p_p.h.

Constructors and Destructors

FlatListModel()

FlatListModel::FlatListModel

(

QDeclarativeListModel *

base

)

Definition at line 954 of file qdeclarativelistmodel.cpp.

    : m_scriptEngine(0), m_listModel(base), m_scriptClass(0), m_parentAgent(0)
{
}

~FlatListModel()

FlatListModel::~FlatListModel

(

)

Definition at line 959 of file qdeclarativelistmodel.cpp.

{
    qDeleteAll(m_nodeData);
}

Functions

addValue()

bool FlatListModel::addValue ( const QScriptValue &  value, QHash< int, QVariant > *  row, QList< int > *  roles  )

private

Definition at line 1075 of file qdeclarativelistmodel.cpp.

Referenced by insert(), and set().

{
    QScriptValueIterator it(value);
    while (it.hasNext()) {
        it.next();
        QScriptValue value = it.value();
        if (!value.isVariant() && !value.isRegExp() && !value.isDate() && value.isObject()) {
            qmlInfo(m_listModel) << "Cannot add list-type data when modifying or after modification from a worker script";
            return false;
        }

        QString name = it.name();
        QVariant v = it.value().toVariant();

        QHash<QString, int>::Iterator iter = m_strings.find(name);
        if (iter == m_strings.end()) {
            int role = m_roles.count();
            m_roles.insert(role, name);
            iter = m_strings.insert(name, role);
            if (roles)
                roles->append(role);
        } else {
            int role = iter.value();
            if (roles && row->contains(role) && row->value(role) != v)
                roles->append(role);
        }
        row->insert(*iter, v);
    }
    return true;
}

clear()

void FlatListModel::clear

(

)

Definition at line 989 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::clear().

{
    m_values.clear();

    qDeleteAll(m_nodeData);
    m_nodeData.clear();
}

count()

int FlatListModel::count

(

)

const

Definition at line 984 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::data().

{
    return m_values.count();
}

data()

QVariant FlatListModel::data	(	int	index,
		int	role
	)		const

Definition at line 964 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::data(), FlatNodeData::FlatNodeData(), get(), and FlatNodeData::~FlatNodeData().

{
    Q_ASSERT(index >= 0 && index < m_values.count());
    if (m_values[index].contains(role))
        return m_values[index][role];
    return QVariant();
}

get()

QScriptValue FlatListModel::get

(

int

index

)

const

Definition at line 1017 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::get().

{
    QScriptEngine *scriptEngine = m_scriptEngine ? m_scriptEngine : QDeclarativeEnginePrivate::getScriptEngine(qmlEngine(m_listModel));

    if (!scriptEngine) 
        return 0;

    if (index < 0 || index >= m_values.count())
        return scriptEngine->undefinedValue();

    FlatListModel *that = const_cast<FlatListModel*>(this);
    if (!m_scriptClass)
        that->m_scriptClass = new FlatListScriptClass(that, scriptEngine);

    FlatNodeData *data = m_nodeData.value(index);
    if (!data) {
        data = new FlatNodeData(index);
        that->m_nodeData.replace(index, data);
    }

    return QScriptDeclarativeClass::newObject(scriptEngine, m_scriptClass, new FlatNodeObjectData(data));
}

insert()

bool FlatListModel::insert	(	int	index,
		const QScriptValue &	value
	)

Definition at line 1003 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::insert().

{
    Q_ASSERT(index >= 0 && index <= m_values.count());

    QHash<int, QVariant> row;
    if (!addValue(value, &row, 0))
        return false;

    m_values.insert(index, row);
    insertedNode(index);

    return true;
}

insertedNode()

void FlatListModel::insertedNode ( int  index )

private

Definition at line 1106 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModelWorkerAgent::event(), and insert().

{
    if (index >= 0 && index <= m_values.count()) {
        m_nodeData.insert(index, 0);

        for (int i=index + 1; i<m_nodeData.count(); i++) {
            if (m_nodeData[i])
                m_nodeData[i]->index = i;
        }
    }
}

move()

void FlatListModel::move	(	int	from,
		int	to,
		int	count
	)

Definition at line 1069 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::move().

{
    qdeclarativelistmodel_move<QList<QHash<int, QVariant> > >(from, to, n, &m_values);
    moveNodes(from, to, n);
}

moveNodes()

void FlatListModel::moveNodes ( int  from, int  to, int  n  )

private

Definition at line 1130 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModelWorkerAgent::event(), and move().

{
    if (!m_listModel->canMove(from, to, n))
        return;

    qdeclarativelistmodel_move<QList<FlatNodeData *> >(from, to, n, &m_nodeData);

    for (int i=from; i<from + (to-from); i++)  {
        if (m_nodeData[i]) 
            m_nodeData[i]->index = i;
    }
}

remove()

void FlatListModel::remove

(

int

index

)

Definition at line 997 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::remove().

{
    m_values.removeAt(index);
    removedNode(index);
}

removedNode()

void FlatListModel::removedNode ( int  index )

private

Definition at line 1118 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModelWorkerAgent::event(), and remove().

{
    if (index >= 0 && index < m_nodeData.count()) {
        delete m_nodeData.takeAt(index);

        for (int i=index; i<m_nodeData.count(); i++) {
            if (m_nodeData[i])
                m_nodeData[i]->index = i;
        }
    }
}

roles()

QList< int > FlatListModel::roles

(

)

const

Definition at line 972 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::roles().

{
    return m_roles.keys();
}

set()

void FlatListModel::set	(	int	index,
		const QScriptValue &	value,
		QList< int > *	roles
	)

Definition at line 1040 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::set().

{
    Q_ASSERT(index >= 0 && index < m_values.count());

    QHash<int, QVariant> row = m_values[index];
    if (addValue(value, &row, roles))
        m_values[index] = row;
}

setProperty()

void FlatListModel::setProperty	(	int	index,
		const QString &	property,
		const QVariant &	value,
		QList< int > *	roles
	)

Definition at line 1049 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::setProperty().

{
    Q_ASSERT(index >= 0 && index < m_values.count());

    QHash<QString, int>::Iterator iter = m_strings.find(property);
    int role;
    if (iter == m_strings.end()) {
        role = m_roles.count();
        m_roles.insert(role, property);
        m_strings.insert(property, role);
    } else {
        role = iter.value();
    }

    if (m_values[index][role] != value) {
        roles->append(role);
        m_values[index][role] = value;
    }
}

toString()

QString FlatListModel::toString

(

int

role

)

const

Definition at line 977 of file qdeclarativelistmodel.cpp.

Referenced by QDeclarativeListModel::toString().

{
    if (m_roles.contains(role))
        return m_roles[role];
    return QString();
}

Friends and Related Functions

FlatListScriptClass

friend class FlatListScriptClass

friend

Definition at line 99 of file qdeclarativelistmodel_p_p.h.

Referenced by get().

FlatNodeData

friend class FlatNodeData

friend

Definition at line 100 of file qdeclarativelistmodel_p_p.h.

Referenced by get().

QDeclarativeListModel

friend class QDeclarativeListModel

friend

Definition at line 98 of file qdeclarativelistmodel_p_p.h.

QDeclarativeListModelWorkerAgent

friend class QDeclarativeListModelWorkerAgent

friend

Definition at line 97 of file qdeclarativelistmodel_p_p.h.

Properties

m_listModel

QDeclarativeListModel* FlatListModel::m_listModel

private

Definition at line 111 of file qdeclarativelistmodel_p_p.h.

Referenced by addValue(), get(), moveNodes(), and FlatListScriptClass::setProperty().

m_nodeData

QList<FlatNodeData *> FlatListModel::m_nodeData

private

Definition at line 114 of file qdeclarativelistmodel_p_p.h.

Referenced by clear(), QDeclarativeListModel::flatten(), get(), insertedNode(), moveNodes(), QDeclarativeListModel::QDeclarativeListModel(), removedNode(), and ~FlatListModel().

m_parentAgent

QDeclarativeListModelWorkerAgent* FlatListModel::m_parentAgent

private

Definition at line 115 of file qdeclarativelistmodel_p_p.h.

Referenced by QDeclarativeListModel::inWorkerThread(), QDeclarativeListModel::QDeclarativeListModel(), and FlatListScriptClass::setProperty().

m_roles

QHash<int, QString> FlatListModel::m_roles

private

Definition at line 108 of file qdeclarativelistmodel_p_p.h.

Referenced by addValue(), QDeclarativeListModelWorkerAgent::event(), QDeclarativeListModel::flatten(), QDeclarativeListModel::QDeclarativeListModel(), roles(), setProperty(), and toString().

m_scriptClass

FlatListScriptClass* FlatListModel::m_scriptClass

private

Definition at line 113 of file qdeclarativelistmodel_p_p.h.

Referenced by get().

m_scriptEngine

QScriptEngine* FlatListModel::m_scriptEngine

private

Definition at line 107 of file qdeclarativelistmodel_p_p.h.

Referenced by get(), and QDeclarativeListModelWorkerAgent::setScriptEngine().

m_strings

QHash<QString, int> FlatListModel::m_strings

private

Definition at line 109 of file qdeclarativelistmodel_p_p.h.

Referenced by addValue(), QDeclarativeListModelWorkerAgent::event(), QDeclarativeListModel::flatten(), FlatListScriptClass::property(), QDeclarativeListModel::QDeclarativeListModel(), setProperty(), and FlatListScriptClass::setProperty().

m_values

QList<QHash<int, QVariant> > FlatListModel::m_values

private

Definition at line 110 of file qdeclarativelistmodel_p_p.h.

Referenced by clear(), count(), data(), QDeclarativeListModelWorkerAgent::event(), QDeclarativeListModel::flatten(), get(), insert(), insertedNode(), move(), FlatListScriptClass::property(), QDeclarativeListModel::QDeclarativeListModel(), remove(), set(), setProperty(), and FlatListScriptClass::setProperty().

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

• /src/declarative/util/qdeclarativelistmodel_p_p.h
• /src/declarative/util/qdeclarativelistmodel.cpp