diff options
Diffstat (limited to 'src/declarative/items/qquickvisualadaptormodel.cpp')
| -rw-r--r-- | src/declarative/items/qquickvisualadaptormodel.cpp | 889 |
1 files changed, 0 insertions, 889 deletions
diff --git a/src/declarative/items/qquickvisualadaptormodel.cpp b/src/declarative/items/qquickvisualadaptormodel.cpp deleted file mode 100644 index 25baee6e29..0000000000 --- a/src/declarative/items/qquickvisualadaptormodel.cpp +++ /dev/null @@ -1,889 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickvisualadaptormodel_p.h" -#include "qquickitem.h" - -#include <QtDeclarative/qdeclarativecontext.h> -#include <QtDeclarative/qdeclarativeengine.h> -#include <QtDeclarative/qdeclarativeexpression.h> -#include <QtDeclarative/qdeclarativeinfo.h> - -#include <private/qdeclarativecontext_p.h> -#include <private/qdeclarativepackage_p.h> -#include <private/qdeclarativeopenmetaobject_p.h> -#include <private/qdeclarativelistaccessor_p.h> -#include <private/qdeclarativedata_p.h> -#include <private/qdeclarativepropertycache_p.h> -#include <private/qdeclarativeguard_p.h> -#include <private/qdeclarativeglobal_p.h> -#include <private/qlistmodelinterface_p.h> -#include <private/qmetaobjectbuilder_p.h> -#include <private/qdeclarativeproperty_p.h> -#include <private/qintrusivelist_p.h> -#include <private/qobject_p.h> - -#include <QtCore/qhash.h> -#include <QtCore/qlist.h> - -Q_DECLARE_METATYPE(QModelIndex) - -QT_BEGIN_NAMESPACE - -class VDMDelegateDataType : public QDeclarativeRefCount -{ -public: - VDMDelegateDataType() - : metaObject(0) - , propertyCache(0) - , propertyOffset(0) - , signalOffset(0) - , shared(true) - { - } - - VDMDelegateDataType(const VDMDelegateDataType &type) - : metaObject(0) - , propertyCache(0) - , propertyOffset(type.propertyOffset) - , signalOffset(type.signalOffset) - , shared(false) - , builder(type.metaObject, QMetaObjectBuilder::Properties - | QMetaObjectBuilder::Signals - | QMetaObjectBuilder::SuperClass - | QMetaObjectBuilder::ClassName) - { - builder.setFlags(QMetaObjectBuilder::DynamicMetaObject); - } - - ~VDMDelegateDataType() - { - if (propertyCache) - propertyCache->release(); - qFree(metaObject); - } - - QMetaObject *metaObject; - QDeclarativePropertyCache *propertyCache; - int propertyOffset; - int signalOffset; - bool shared : 1; - QMetaObjectBuilder builder; -}; - -class QQuickVisualAdaptorModelData : public QObject -{ - Q_OBJECT - Q_PROPERTY(int index READ index NOTIFY indexChanged) -public: - QQuickVisualAdaptorModelData(int index, QQuickVisualAdaptorModel *model); - ~QQuickVisualAdaptorModelData(); - - int index() const; - void setIndex(int index); - -Q_SIGNALS: - void indexChanged(); - -public: - int m_index; - QDeclarativeGuard<QQuickVisualAdaptorModel> m_model; - QIntrusiveListNode m_cacheNode; -}; - -typedef QIntrusiveList<QQuickVisualAdaptorModelData, &QQuickVisualAdaptorModelData::m_cacheNode> QQuickVisualAdaptorModelDataCache; - -class QQuickVisualAdaptorModelDataMetaObject; -class QQuickVisualAdaptorModelPrivate : public QObjectPrivate -{ - Q_DECLARE_PUBLIC(QQuickVisualAdaptorModel) -public: - QQuickVisualAdaptorModelPrivate() - : m_engine(0) - , m_listAccessor(0) - , m_delegateDataType(0) - , createModelData(&initializeModelData) - , m_ref(0) - , m_count(0) - , m_objectList(false) - { - } - - - static QQuickVisualAdaptorModelPrivate *get(QQuickVisualAdaptorModel *m) { - return static_cast<QQuickVisualAdaptorModelPrivate *>(QObjectPrivate::get(m)); - } - - void addProperty(int role, int propertyId, const char *propertyName, const char *propertyType, bool isModelData = false); - template <typename T> void setModelDataType() - { - createModelData = &T::create; - m_delegateDataType->builder.setFlags(QMetaObjectBuilder::DynamicMetaObject); - m_delegateDataType->builder.setClassName(T::staticMetaObject.className()); - m_delegateDataType->builder.setSuperClass(&T::staticMetaObject); - m_delegateDataType->propertyOffset = T::staticMetaObject.propertyCount(); - m_delegateDataType->signalOffset = T::staticMetaObject.methodCount(); - } - QQuickVisualAdaptorModelData *createMetaObject(int index, QQuickVisualAdaptorModel *model); - - static QQuickVisualAdaptorModelData *initializeModelData(int index, QQuickVisualAdaptorModel *model) { - return get(model)->createMetaObject(index, model); - } - - typedef QQuickVisualAdaptorModelData *(*CreateModelData)(int index, QQuickVisualAdaptorModel *model); - - struct PropertyData { - int role; - bool isModelData : 1; - }; - - int modelCount() const { - if (m_listModelInterface) - return m_listModelInterface->count(); - if (m_abstractItemModel) - return m_abstractItemModel->rowCount(m_root); - if (m_listAccessor) - return m_listAccessor->count(); - return 0; - } - - QDeclarativeGuard<QDeclarativeEngine> m_engine; - QDeclarativeGuard<QListModelInterface> m_listModelInterface; - QDeclarativeGuard<QAbstractItemModel> m_abstractItemModel; - QDeclarativeListAccessor *m_listAccessor; - VDMDelegateDataType *m_delegateDataType; - CreateModelData createModelData; - - int m_ref; - int m_count; - QQuickVisualAdaptorModel::Flags m_flags; - bool m_objectList : 1; - - QVariant m_modelVariant; - QModelIndex m_root; - - QList<int> m_roles; - QList<int> watchedRoleIds; - QList<QByteArray> watchedRoles; - QHash<QByteArray,int> m_roleNames; - QVector<PropertyData> m_propertyData; - QQuickVisualAdaptorModelDataCache m_cache; -}; - -class QQuickVisualAdaptorModelDataMetaObject : public QAbstractDynamicMetaObject -{ -public: - QQuickVisualAdaptorModelDataMetaObject(QQuickVisualAdaptorModelData *data, VDMDelegateDataType *type) - : m_data(data) - , m_type(type) - { - QObjectPrivate *op = QObjectPrivate::get(m_data); - *static_cast<QMetaObject *>(this) = *type->metaObject; - op->metaObject = this; - m_type->addref(); - } - - ~QQuickVisualAdaptorModelDataMetaObject() { m_type->release(); } - - QQuickVisualAdaptorModelData *m_data; - VDMDelegateDataType *m_type; -}; - -class QQuickVDMAbstractItemModelDataMetaObject : public QQuickVisualAdaptorModelDataMetaObject -{ -public: - QQuickVDMAbstractItemModelDataMetaObject(QQuickVisualAdaptorModelData *object, VDMDelegateDataType *type) - : QQuickVisualAdaptorModelDataMetaObject(object, type) {} - - int metaCall(QMetaObject::Call call, int id, void **arguments) - { - if (call == QMetaObject::ReadProperty && id >= m_type->propertyOffset) { - QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(m_data->m_model); - if (m_data->m_index == -1 || !model->m_abstractItemModel) - return -1; - *static_cast<QVariant *>(arguments[0]) = model->m_abstractItemModel->index( - m_data->m_index, 0, model->m_root).data(model->m_propertyData.at(id - m_type->propertyOffset).role); - return -1; - } else { - return m_data->qt_metacall(call, id, arguments); - } - } -}; - -class QQuickVDMAbstractItemModelData : public QQuickVisualAdaptorModelData -{ - Q_OBJECT - Q_PROPERTY(bool hasModelChildren READ hasModelChildren CONSTANT) -public: - bool hasModelChildren() const - { - QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(m_model); - return model->m_abstractItemModel->hasChildren(model->m_abstractItemModel->index(m_index, 0, model->m_root)); - } - - static QQuickVisualAdaptorModelData *create(int index, QQuickVisualAdaptorModel *model) { - return new QQuickVDMAbstractItemModelData(index, model); } -private: - QQuickVDMAbstractItemModelData(int index, QQuickVisualAdaptorModel *model) - : QQuickVisualAdaptorModelData(index, model) - { - new QQuickVDMAbstractItemModelDataMetaObject( - this, QQuickVisualAdaptorModelPrivate::get(m_model)->m_delegateDataType); - } -}; - -class QQuickVDMListModelInterfaceDataMetaObject : public QQuickVisualAdaptorModelDataMetaObject -{ -public: - QQuickVDMListModelInterfaceDataMetaObject(QQuickVisualAdaptorModelData *object, VDMDelegateDataType *type) - : QQuickVisualAdaptorModelDataMetaObject(object, type) {} - - int metaCall(QMetaObject::Call call, int id, void **arguments) - { - if (call == QMetaObject::ReadProperty && id >= m_type->propertyOffset) { - QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(m_data->m_model); - if (m_data->m_index == -1 || !model->m_listModelInterface) - return -1; - *static_cast<QVariant *>(arguments[0]) = model->m_listModelInterface->data( - m_data->m_index, model->m_propertyData.at(id - m_type->propertyOffset).role); - return -1; - } else { - return m_data->qt_metacall(call, id, arguments); - } - } -}; - -class QQuickVDMListModelInterfaceData : public QQuickVisualAdaptorModelData -{ -public: - static QQuickVisualAdaptorModelData *create(int index, QQuickVisualAdaptorModel *model) { - return new QQuickVDMListModelInterfaceData(index, model); } -private: - QQuickVDMListModelInterfaceData(int index, QQuickVisualAdaptorModel *model) - : QQuickVisualAdaptorModelData(index, model) - { - new QQuickVDMListModelInterfaceDataMetaObject( - this, QQuickVisualAdaptorModelPrivate::get(m_model)->m_delegateDataType); - } -}; - -class QQuickVDMListAccessorData : public QQuickVisualAdaptorModelData -{ - Q_OBJECT - Q_PROPERTY(QVariant modelData READ modelData CONSTANT) -public: - QVariant modelData() const { - return QQuickVisualAdaptorModelPrivate::get(m_model)->m_listAccessor->at(m_index); } - - static QQuickVisualAdaptorModelData *create(int index, QQuickVisualAdaptorModel *model) { - return new QQuickVDMListAccessorData(index, model); } -private: - QQuickVDMListAccessorData(int index, QQuickVisualAdaptorModel *model) - : QQuickVisualAdaptorModelData(index, model) - { - } -}; - -class QQuickVDMObjectDataMetaObject : public QQuickVisualAdaptorModelDataMetaObject -{ -public: - QQuickVDMObjectDataMetaObject(QQuickVisualAdaptorModelData *data, VDMDelegateDataType *type) - : QQuickVisualAdaptorModelDataMetaObject(data, type) - , m_object(QQuickVisualAdaptorModelPrivate::get(data->m_model)->m_listAccessor->at(data->m_index).value<QObject *>()) - {} - - int metaCall(QMetaObject::Call call, int id, void **arguments) - { - if (id >= m_type->propertyOffset - && (call == QMetaObject::ReadProperty - || call == QMetaObject::WriteProperty - || call == QMetaObject::ResetProperty)) { - if (m_object) - QMetaObject::metacall(m_object, call, id - m_type->propertyOffset + 1, arguments); - return -1; - } else if (id >= m_type->signalOffset && call == QMetaObject::InvokeMetaMethod) { - QMetaObject::activate(m_data, this, id, 0); - return -1; - } else { - return m_data->qt_metacall(call, id, arguments); - } - } - - int createProperty(const char *name, const char *) - { - if (!m_object) - return -1; - const QMetaObject *metaObject = m_object->metaObject(); - - const int previousPropertyCount = propertyCount() - propertyOffset(); - int propertyIndex = metaObject->indexOfProperty(name); - if (propertyIndex == -1) - return -1; - if (previousPropertyCount + 1 == metaObject->propertyCount()) - return propertyIndex + m_type->propertyOffset - 1; - - if (m_type->shared) { - VDMDelegateDataType *type = m_type; - m_type = new VDMDelegateDataType(*m_type); - type->release(); - } - - const int previousMethodCount = methodCount(); - int notifierId = previousMethodCount; - for (int propertyId = previousPropertyCount; propertyId < metaObject->propertyCount() - 1; ++propertyId) { - QMetaProperty property = metaObject->property(propertyId + 1); - QMetaPropertyBuilder propertyBuilder; - if (property.hasNotifySignal()) { - m_type->builder.addSignal("__" + QByteArray::number(propertyId) + "()"); - propertyBuilder = m_type->builder.addProperty(property.name(), property.typeName(), notifierId); - ++notifierId; - } else { - propertyBuilder = m_type->builder.addProperty(property.name(), property.typeName()); - } - propertyBuilder.setWritable(property.isWritable()); - propertyBuilder.setResettable(property.isResettable()); - propertyBuilder.setConstant(property.isConstant()); - } - - if (m_type->metaObject) - qFree(m_type->metaObject); - m_type->metaObject = m_type->builder.toMetaObject(); - *static_cast<QMetaObject *>(this) = *m_type->metaObject; - - notifierId = previousMethodCount; - for (int i = previousPropertyCount; i < metaObject->propertyCount(); ++i) { - QMetaProperty property = metaObject->property(i); - if (property.hasNotifySignal()) { - QDeclarativePropertyPrivate::connect( - m_object, property.notifySignalIndex(), m_data, notifierId); - ++notifierId; - } - } - return propertyIndex + m_type->propertyOffset - 1; - } - - QDeclarativeGuard<QObject> m_object; -}; - -class QQuickVDMObjectData : public QQuickVisualAdaptorModelData, public QQuickVisualAdaptorModelProxyInterface -{ - Q_OBJECT - Q_PROPERTY(QObject *modelData READ modelData CONSTANT) - Q_INTERFACES(QQuickVisualAdaptorModelProxyInterface) -public: - QObject *modelData() const { return m_metaObject->m_object; } - QObject *proxiedObject() { return m_metaObject->m_object; } - - static QQuickVisualAdaptorModelData *create(int index, QQuickVisualAdaptorModel *model) { - return new QQuickVDMObjectData(index, model); } - -private: - QQuickVDMObjectData(int index, QQuickVisualAdaptorModel *model) - : QQuickVisualAdaptorModelData(index, model) - , m_metaObject(new QQuickVDMObjectDataMetaObject(this, QQuickVisualAdaptorModelPrivate::get(m_model)->m_delegateDataType)) - { - } - - QQuickVDMObjectDataMetaObject *m_metaObject; -}; - -void QQuickVisualAdaptorModelPrivate::addProperty( - int role, int propertyId, const char *propertyName, const char *propertyType, bool isModelData) -{ - PropertyData propertyData; - propertyData.role = role; - propertyData.isModelData = isModelData; - m_delegateDataType->builder.addSignal("__" + QByteArray::number(propertyId) + "()"); - QMetaPropertyBuilder property = m_delegateDataType->builder.addProperty( - propertyName, propertyType, propertyId); - property.setWritable(false); - - m_propertyData.append(propertyData); -} - -QQuickVisualAdaptorModelData *QQuickVisualAdaptorModelPrivate::createMetaObject(int index, QQuickVisualAdaptorModel *model) -{ - Q_ASSERT(!m_delegateDataType); - - m_objectList = false; - m_propertyData.clear(); - if (m_listAccessor - && m_listAccessor->type() != QDeclarativeListAccessor::ListProperty - && m_listAccessor->type() != QDeclarativeListAccessor::Instance) { - createModelData = &QQuickVDMListAccessorData::create; - m_flags = QQuickVisualAdaptorModel::MetaObjectCacheable; - return QQuickVDMListAccessorData::create(index, model); - } - - m_delegateDataType = new VDMDelegateDataType; - if (m_listModelInterface) { - setModelDataType<QQuickVDMListModelInterfaceData>(); - QList<int> roles = m_listModelInterface->roles(); - for (int propertyId = 0; propertyId < roles.count(); ++propertyId) { - const int role = roles.at(propertyId); - const QByteArray propertyName = m_listModelInterface->toString(role).toUtf8(); - addProperty(role, propertyId, propertyName, "QVariant"); - m_roleNames.insert(propertyName, role); - } - if (m_propertyData.count() == 1) - addProperty(roles.first(), 1, "modelData", "QVariant", true); - m_flags = QQuickVisualAdaptorModel::MetaObjectCacheable; - } else if (m_abstractItemModel) { - setModelDataType<QQuickVDMAbstractItemModelData>(); - QHash<int, QByteArray> roleNames = m_abstractItemModel->roleNames(); - for (QHash<int, QByteArray>::const_iterator it = roleNames.begin(); it != roleNames.end(); ++it) { - addProperty(it.key(), m_propertyData.count(), it.value(), "QVariant"); - m_roleNames.insert(it.value(), it.key()); - } - if (m_propertyData.count() == 1) - addProperty(roleNames.begin().key(), 1, "modelData", "QVariant", true); - m_flags = QQuickVisualAdaptorModel::MetaObjectCacheable; - } else if (m_listAccessor) { - setModelDataType<QQuickVDMObjectData>(); - m_objectList = true; - m_flags = QQuickVisualAdaptorModel::ProxiedObject; - } else { - Q_ASSERT(!"No model set on VisualDataModel"); - return 0; - } - m_delegateDataType->metaObject = m_delegateDataType->builder.toMetaObject(); - if (!m_objectList) { - m_delegateDataType->propertyCache = new QDeclarativePropertyCache( - m_engine, m_delegateDataType->metaObject); - } - return createModelData(index, model); -} - -QQuickVisualAdaptorModelData::QQuickVisualAdaptorModelData(int index, QQuickVisualAdaptorModel *model) - : m_index(index) - , m_model(model) -{ -} - -QQuickVisualAdaptorModelData::~QQuickVisualAdaptorModelData() -{ -} - -int QQuickVisualAdaptorModelData::index() const -{ - return m_index; -} - -// This is internal only - it should not be set from qml -void QQuickVisualAdaptorModelData::setIndex(int index) -{ - m_index = index; - emit indexChanged(); -} - -//--------------------------------------------------------------------------- - -QQuickVisualAdaptorModel::QQuickVisualAdaptorModel(QObject *parent) - : QObject(*(new QQuickVisualAdaptorModelPrivate), parent) -{ -} - -QQuickVisualAdaptorModel::~QQuickVisualAdaptorModel() -{ - Q_D(QQuickVisualAdaptorModel); - if (d->m_listAccessor) - delete d->m_listAccessor; - if (d->m_delegateDataType) - d->m_delegateDataType->release(); -} - -QQuickVisualAdaptorModel::Flags QQuickVisualAdaptorModel::flags() const -{ - Q_D(const QQuickVisualAdaptorModel); - return d->m_flags; -} - -QVariant QQuickVisualAdaptorModel::model() const -{ - Q_D(const QQuickVisualAdaptorModel); - return d->m_modelVariant; -} - -void QQuickVisualAdaptorModel::setModel(const QVariant &model, QDeclarativeEngine *engine) -{ - Q_D(QQuickVisualAdaptorModel); - delete d->m_listAccessor; - d->m_engine = engine; - d->m_listAccessor = 0; - d->m_modelVariant = model; - if (d->m_listModelInterface) { - // Assume caller has released all items. - QObject::disconnect(d->m_listModelInterface, SIGNAL(itemsChanged(int,int,QList<int>)), - this, SLOT(_q_itemsChanged(int,int,QList<int>))); - QObject::disconnect(d->m_listModelInterface, SIGNAL(itemsInserted(int,int)), - this, SLOT(_q_itemsInserted(int,int))); - QObject::disconnect(d->m_listModelInterface, SIGNAL(itemsRemoved(int,int)), - this, SLOT(_q_itemsRemoved(int,int))); - QObject::disconnect(d->m_listModelInterface, SIGNAL(itemsMoved(int,int,int)), - this, SLOT(_q_itemsMoved(int,int,int))); - d->m_listModelInterface = 0; - } else if (d->m_abstractItemModel) { - QObject::disconnect(d->m_abstractItemModel, SIGNAL(rowsInserted(QModelIndex,int,int)), - this, SLOT(_q_rowsInserted(QModelIndex,int,int))); - QObject::disconnect(d->m_abstractItemModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), - this, SLOT(_q_rowsRemoved(QModelIndex,int,int))); - QObject::disconnect(d->m_abstractItemModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)), - this, SLOT(_q_dataChanged(QModelIndex,QModelIndex))); - QObject::disconnect(d->m_abstractItemModel, SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), - this, SLOT(_q_rowsMoved(QModelIndex,int,int,QModelIndex,int))); - QObject::disconnect(d->m_abstractItemModel, SIGNAL(modelReset()), this, SLOT(_q_modelReset())); - QObject::disconnect(d->m_abstractItemModel, SIGNAL(layoutChanged()), this, SLOT(_q_layoutChanged())); - d->m_abstractItemModel = 0; - } - - d->m_roles.clear(); - d->m_roleNames.clear(); - d->m_flags = QQuickVisualAdaptorModel::Flags(); - if (d->m_delegateDataType) - d->m_delegateDataType->release(); - d->m_delegateDataType = 0; - d->createModelData = &QQuickVisualAdaptorModelPrivate::initializeModelData; - - if (d->m_count) - emit itemsRemoved(0, d->m_count); - - QObject *object = qvariant_cast<QObject *>(model); - if (object && (d->m_listModelInterface = qobject_cast<QListModelInterface *>(object))) { - QObject::connect(d->m_listModelInterface, SIGNAL(itemsChanged(int,int,QList<int>)), - this, SLOT(_q_itemsChanged(int,int,QList<int>))); - QObject::connect(d->m_listModelInterface, SIGNAL(itemsInserted(int,int)), - this, SLOT(_q_itemsInserted(int,int))); - QObject::connect(d->m_listModelInterface, SIGNAL(itemsRemoved(int,int)), - this, SLOT(_q_itemsRemoved(int,int))); - QObject::connect(d->m_listModelInterface, SIGNAL(itemsMoved(int,int,int)), - this, SLOT(_q_itemsMoved(int,int,int))); - if ((d->m_count = d->m_listModelInterface->count())) - emit itemsInserted(0, d->m_count); - return; - } else if (object && (d->m_abstractItemModel = qobject_cast<QAbstractItemModel *>(object))) { - QObject::connect(d->m_abstractItemModel, SIGNAL(rowsInserted(QModelIndex,int,int)), - this, SLOT(_q_rowsInserted(QModelIndex,int,int))); - QObject::connect(d->m_abstractItemModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), - this, SLOT(_q_rowsRemoved(QModelIndex,int,int))); - QObject::connect(d->m_abstractItemModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)), - this, SLOT(_q_dataChanged(QModelIndex,QModelIndex))); - QObject::connect(d->m_abstractItemModel, SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), - this, SLOT(_q_rowsMoved(QModelIndex,int,int,QModelIndex,int))); - QObject::connect(d->m_abstractItemModel, SIGNAL(modelReset()), this, SLOT(_q_modelReset())); - QObject::connect(d->m_abstractItemModel, SIGNAL(layoutChanged()), this, SLOT(_q_layoutChanged())); - - if ((d->m_count = d->m_abstractItemModel->rowCount(d->m_root))) - emit itemsInserted(0, d->m_count); - return; - } - - d->m_listAccessor = new QDeclarativeListAccessor; - d->m_listAccessor->setList(model, d->m_engine); - if ((d->m_count = d->m_listAccessor->count())) - emit itemsInserted(0, d->m_count); -} - -QVariant QQuickVisualAdaptorModel::rootIndex() const -{ - Q_D(const QQuickVisualAdaptorModel); - return QVariant::fromValue(d->m_root); -} - -void QQuickVisualAdaptorModel::setRootIndex(const QVariant &root) -{ - Q_D(QQuickVisualAdaptorModel); - QModelIndex modelIndex = qvariant_cast<QModelIndex>(root); - if (d->m_root != modelIndex) { - int oldCount = d->modelCount(); - d->m_root = modelIndex; - if (d->m_abstractItemModel && d->m_abstractItemModel->canFetchMore(modelIndex)) - d->m_abstractItemModel->fetchMore(modelIndex); - int newCount = d->modelCount(); - if (oldCount) - emit itemsRemoved(0, oldCount); - if (newCount) - emit itemsInserted(0, newCount); - emit rootIndexChanged(); - } -} - -QVariant QQuickVisualAdaptorModel::modelIndex(int idx) const -{ - Q_D(const QQuickVisualAdaptorModel); - if (d->m_abstractItemModel) - return QVariant::fromValue(d->m_abstractItemModel->index(idx, 0, d->m_root)); - return QVariant::fromValue(QModelIndex()); -} - -QVariant QQuickVisualAdaptorModel::parentModelIndex() const -{ - Q_D(const QQuickVisualAdaptorModel); - if (d->m_abstractItemModel) - return QVariant::fromValue(d->m_abstractItemModel->parent(d->m_root)); - return QVariant::fromValue(QModelIndex()); -} - -int QQuickVisualAdaptorModel::count() const -{ - Q_D(const QQuickVisualAdaptorModel); - return d->modelCount(); -} - -QObject *QQuickVisualAdaptorModel::data(int index) -{ - Q_D(QQuickVisualAdaptorModel); - QQuickVisualAdaptorModelData *data = d->createModelData(index, this); - d->m_cache.insert(data); - return data; -} - -QString QQuickVisualAdaptorModel::stringValue(int index, const QString &name) -{ - Q_D(QQuickVisualAdaptorModel); - if ((!d->m_listModelInterface || !d->m_abstractItemModel) && d->m_listAccessor) { - if (QObject *object = d->m_listAccessor->at(index).value<QObject*>()) - return object->property(name.toUtf8()).toString(); - } - - QString val; - QQuickVisualAdaptorModelData *data = d->createModelData(index, this); - - QDeclarativeData *ddata = QDeclarativeData::get(data); - if (ddata && ddata->propertyCache) { - QDeclarativePropertyData *prop = ddata->propertyCache->property(name); - if (prop) { - if (prop->propType == QVariant::String) { - void *args[] = { &val, 0 }; - QMetaObject::metacall(data, QMetaObject::ReadProperty, prop->coreIndex, args); - } else if (prop->propType == qMetaTypeId<QVariant>()) { - QVariant v; - void *args[] = { &v, 0 }; - QMetaObject::metacall(data, QMetaObject::ReadProperty, prop->coreIndex, args); - val = v.toString(); - } - } else { - val = data->property(name.toUtf8()).toString(); - } - } else { - val = data->property(name.toUtf8()).toString(); - } - - delete data; - - return val; -} - -int QQuickVisualAdaptorModel::indexOf(QObject *object) const -{ - if (QQuickVisualAdaptorModelData *data = qobject_cast<QQuickVisualAdaptorModelData *>(object)) - return data->index(); - return -1; -} - -bool QQuickVisualAdaptorModel::canFetchMore() const -{ - Q_D(const QQuickVisualAdaptorModel); - return d->m_abstractItemModel && d->m_abstractItemModel->canFetchMore(d->m_root); -} - -void QQuickVisualAdaptorModel::fetchMore() -{ - Q_D(QQuickVisualAdaptorModel); - if (d->m_abstractItemModel) - d->m_abstractItemModel->fetchMore(d->m_root); -} - -void QQuickVisualAdaptorModel::replaceWatchedRoles(const QList<QByteArray> &oldRoles, const QList<QByteArray> &newRoles) -{ - Q_D(QQuickVisualAdaptorModel); - d->watchedRoleIds.clear(); - foreach (const QByteArray &oldRole, oldRoles) - d->watchedRoles.removeOne(oldRole); - d->watchedRoles += newRoles; -} - -void QQuickVisualAdaptorModel::_q_itemsChanged(int index, int count, const QList<int> &roles) -{ - Q_D(QQuickVisualAdaptorModel); - bool changed = roles.isEmpty(); - if (!d->watchedRoles.isEmpty() && d->watchedRoleIds.isEmpty()) { - foreach (QByteArray r, d->watchedRoles) { - if (d->m_roleNames.contains(r)) - d->watchedRoleIds << d->m_roleNames.value(r); - } - } - - QVector<int> signalIndexes; - for (int i = 0; i < roles.count(); ++i) { - const int role = roles.at(i); - if (!changed && d->watchedRoleIds.contains(role)) - changed = true; - for (int propertyId = 0; propertyId < d->m_propertyData.count(); ++propertyId) { - if (d->m_propertyData.at(propertyId).role == role) - signalIndexes.append(propertyId + d->m_delegateDataType->signalOffset); - } - } - if (roles.isEmpty()) { - for (int propertyId = 0; propertyId < d->m_propertyData.count(); ++propertyId) - signalIndexes.append(propertyId + d->m_delegateDataType->signalOffset); - } - - typedef QQuickVisualAdaptorModelDataCache::iterator iterator; - for (iterator it = d->m_cache.begin(); it != d->m_cache.end(); ++it) { - const int idx = it->index(); - if (idx >= index && idx < index + count) { - QQuickVisualAdaptorModelData *data = *it; - for (int i = 0; i < signalIndexes.count(); ++i) - QMetaObject::activate(data, signalIndexes.at(i), 0); - } - } - if (changed) - emit itemsChanged(index, count); -} - -void QQuickVisualAdaptorModel::_q_itemsInserted(int index, int count) -{ - Q_D(QQuickVisualAdaptorModel); - if (count <= 0) - return; - d->m_count += count; - - typedef QQuickVisualAdaptorModelDataCache::iterator iterator; - for (iterator it = d->m_cache.begin(); it != d->m_cache.end(); ++it) { - if (it->index() >= index) - it->setIndex(it->index() + count); - } - - emit itemsInserted(index, count); -} - -void QQuickVisualAdaptorModel::_q_itemsRemoved(int index, int count) -{ - Q_D(QQuickVisualAdaptorModel); - if (count <= 0) - return; - d->m_count -= count; - - typedef QQuickVisualAdaptorModelDataCache::iterator iterator; - for (iterator it = d->m_cache.begin(); it != d->m_cache.end(); ++it) { - if (it->index() >= index + count) - it->setIndex(it->index() - count); - else if (it->index() >= index) - it->setIndex(-1); - } - - emit itemsRemoved(index, count); -} - -void QQuickVisualAdaptorModel::_q_itemsMoved(int from, int to, int count) -{ - Q_D(QQuickVisualAdaptorModel); - const int minimum = qMin(from, to); - const int maximum = qMax(from, to) + count; - const int difference = from > to ? count : -count; - - typedef QQuickVisualAdaptorModelDataCache::iterator iterator; - for (iterator it = d->m_cache.begin(); it != d->m_cache.end(); ++it) { - if (it->index() >= from && it->index() < from + count) - it->setIndex(it->index() - from + to); - else if (it->index() >= minimum && it->index() < maximum) - it->setIndex(it->index() + difference); - } - emit itemsMoved(from, to, count); -} - -void QQuickVisualAdaptorModel::_q_rowsInserted(const QModelIndex &parent, int begin, int end) -{ - Q_D(QQuickVisualAdaptorModel); - if (parent == d->m_root) - _q_itemsInserted(begin, end - begin + 1); -} - -void QQuickVisualAdaptorModel::_q_rowsRemoved(const QModelIndex &parent, int begin, int end) -{ - Q_D(QQuickVisualAdaptorModel); - if (parent == d->m_root) - _q_itemsRemoved(begin, end - begin + 1); -} - -void QQuickVisualAdaptorModel::_q_rowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow) -{ - Q_D(QQuickVisualAdaptorModel); - const int count = sourceEnd - sourceStart + 1; - if (destinationParent == d->m_root && sourceParent == d->m_root) { - _q_itemsMoved(sourceStart, sourceStart > destinationRow ? destinationRow : destinationRow-count, count); - } else if (sourceParent == d->m_root) { - _q_itemsRemoved(sourceStart, count); - } else if (destinationParent == d->m_root) { - _q_itemsInserted(destinationRow, count); - } -} - -void QQuickVisualAdaptorModel::_q_dataChanged(const QModelIndex &begin, const QModelIndex &end) -{ - Q_D(QQuickVisualAdaptorModel); - if (begin.parent() == d->m_root) - _q_itemsChanged(begin.row(), end.row() - begin.row() + 1, d->m_roles); -} - -void QQuickVisualAdaptorModel::_q_layoutChanged() -{ - Q_D(QQuickVisualAdaptorModel); - _q_itemsChanged(0, count(), d->m_roles); -} - -void QQuickVisualAdaptorModel::_q_modelReset() -{ - Q_D(QQuickVisualAdaptorModel); - int oldCount = d->m_count; - d->m_root = QModelIndex(); - d->m_count = d->modelCount(); - emit modelReset(oldCount, d->m_count); - emit rootIndexChanged(); - if (d->m_abstractItemModel && d->m_abstractItemModel->canFetchMore(d->m_root)) - d->m_abstractItemModel->fetchMore(d->m_root); -} - -QT_END_NAMESPACE - -QML_DECLARE_TYPE(QListModelInterface) - -#include <qquickvisualadaptormodel.moc> |