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Diffstat (limited to 'src/quick/items/qquickvisualdatamodel_p.h')
| -rw-r--r-- | src/quick/items/qquickvisualdatamodel_p.h | 239 |
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diff --git a/src/quick/items/qquickvisualdatamodel_p.h b/src/quick/items/qquickvisualdatamodel_p.h new file mode 100644 index 0000000000..9e5e3a4511 --- /dev/null +++ b/src/quick/items/qquickvisualdatamodel_p.h @@ -0,0 +1,239 @@ +// Commit: ac5c099cc3c5b8c7eec7a49fdeb8a21037230350 +/**************************************************************************** +** +** 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. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQUICKVISUALDATAMODEL_P_H +#define QQUICKVISUALDATAMODEL_P_H + +#include <private/qdeclarativelistcompositor_p.h> +#include <private/qquickvisualitemmodel_p.h> + + +#include <QtCore/qabstractitemmodel.h> +#include <QtCore/qstringlist.h> + +#include <private/qv8engine_p.h> + +QT_BEGIN_HEADER + +Q_DECLARE_METATYPE(QModelIndex) + +QT_BEGIN_NAMESPACE + +class QDeclarativeChangeSet; +class QDeclarativeComponent; +class QDeclarativePackage; +class QDeclarativeV8Function; +class QQuickVisualDataGroup; +class QQuickVisualDataModelAttached; +class QQuickVisualDataModelPrivate; + + +class Q_QUICK_EXPORT QQuickVisualDataModel : public QQuickVisualModel, public QDeclarativeParserStatus +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QQuickVisualDataModel) + + Q_PROPERTY(QVariant model READ model WRITE setModel) + Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate) + Q_PROPERTY(QString filterOnGroup READ filterGroup WRITE setFilterGroup NOTIFY filterGroupChanged RESET resetFilterGroup) + Q_PROPERTY(QQuickVisualDataGroup *items READ items CONSTANT) + Q_PROPERTY(QQuickVisualDataGroup *persistedItems READ persistedItems CONSTANT) + Q_PROPERTY(QDeclarativeListProperty<QQuickVisualDataGroup> groups READ groups CONSTANT) + Q_PROPERTY(QObject *parts READ parts CONSTANT) + Q_PROPERTY(QVariant rootIndex READ rootIndex WRITE setRootIndex NOTIFY rootIndexChanged) + Q_CLASSINFO("DefaultProperty", "delegate") + Q_INTERFACES(QDeclarativeParserStatus) +public: + QQuickVisualDataModel(); + QQuickVisualDataModel(QDeclarativeContext *, QObject *parent=0); + virtual ~QQuickVisualDataModel(); + + void classBegin(); + void componentComplete(); + + QVariant model() const; + void setModel(const QVariant &); + + QDeclarativeComponent *delegate() const; + void setDelegate(QDeclarativeComponent *); + + QVariant rootIndex() const; + void setRootIndex(const QVariant &root); + + Q_INVOKABLE QVariant modelIndex(int idx) const; + Q_INVOKABLE QVariant parentModelIndex() const; + + int count() const; + bool isValid() const { return delegate() != 0; } + QQuickItem *item(int index, bool asynchronous=false); + ReleaseFlags release(QQuickItem *item); + virtual QString stringValue(int index, const QString &role); + virtual void setWatchedRoles(QList<QByteArray> roles); + + int indexOf(QQuickItem *item, QObject *objectContext) const; + + QString filterGroup() const; + void setFilterGroup(const QString &group); + void resetFilterGroup(); + + QQuickVisualDataGroup *items(); + QQuickVisualDataGroup *persistedItems(); + QDeclarativeListProperty<QQuickVisualDataGroup> groups(); + QObject *parts(); + + bool event(QEvent *); + + static QQuickVisualDataModelAttached *qmlAttachedProperties(QObject *obj); + +Q_SIGNALS: + void filterGroupChanged(); + void defaultGroupsChanged(); + void rootIndexChanged(); + +private Q_SLOTS: + void _q_itemsChanged(int index, int count); + void _q_itemsInserted(int index, int count); + void _q_itemsRemoved(int index, int count); + void _q_itemsMoved(int from, int to, int count); + void _q_modelReset(int oldCount, int newCount); +private: + Q_DISABLE_COPY(QQuickVisualDataModel) +}; + +class QQuickVisualDataGroupPrivate; +class Q_AUTOTEST_EXPORT QQuickVisualDataGroup : public QObject +{ + Q_OBJECT + Q_PROPERTY(int count READ count NOTIFY countChanged) + Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged) + Q_PROPERTY(bool includeByDefault READ defaultInclude WRITE setDefaultInclude NOTIFY defaultIncludeChanged) +public: + QQuickVisualDataGroup(QObject *parent = 0); + QQuickVisualDataGroup(const QString &name, QQuickVisualDataModel *model, int compositorType, QObject *parent = 0); + ~QQuickVisualDataGroup(); + + QString name() const; + void setName(const QString &name); + + int count() const; + + bool defaultInclude() const; + void setDefaultInclude(bool include); + + Q_INVOKABLE QDeclarativeV8Handle get(int index); + Q_INVOKABLE QObject *create(int index); + +public Q_SLOTS: + void remove(QDeclarativeV8Function *); + void addGroups(QDeclarativeV8Function *); + void removeGroups(QDeclarativeV8Function *); + void setGroups(QDeclarativeV8Function *); + void move(QDeclarativeV8Function *); + +Q_SIGNALS: + void countChanged(); + void nameChanged(); + void defaultIncludeChanged(); + void changed(const QDeclarativeV8Handle &removed, const QDeclarativeV8Handle &inserted); +private: + Q_DECLARE_PRIVATE(QQuickVisualDataGroup) +}; + +class QQuickVisualDataModelCacheItem; +class QQuickVisualDataModelAttachedMetaObject; +class QQuickVisualDataModelAttached : public QObject +{ + Q_OBJECT + Q_PROPERTY(QQuickVisualDataModel *model READ model NOTIFY modelChanged) + Q_PROPERTY(QStringList groups READ groups WRITE setGroups NOTIFY groupsChanged) +public: + QQuickVisualDataModelAttached(QObject *parent) + : QObject(parent) + , m_cacheItem(0) + , m_previousGroups(0) + , m_modelChanged(false) + {} + ~QQuickVisualDataModelAttached() { attachedProperties.remove(parent()); } + + void setCacheItem(QQuickVisualDataModelCacheItem *item); + + QQuickVisualDataModel *model() const; + + QStringList groups() const; + void setGroups(const QStringList &groups); + + void emitChanges(); + + static QQuickVisualDataModelAttached *properties(QObject *obj) + { + QQuickVisualDataModelAttached *rv = attachedProperties.value(obj); + if (!rv) { + rv = new QQuickVisualDataModelAttached(obj); + attachedProperties.insert(obj, rv); + } + return rv; + } + +Q_SIGNALS: + void modelChanged(); + void groupsChanged(); + +public: + QQuickVisualDataModelCacheItem *m_cacheItem; + int m_previousGroups; + int m_previousIndex[QDeclarativeListCompositor::MaximumGroupCount]; + bool m_modelChanged; + + static QHash<QObject*, QQuickVisualDataModelAttached*> attachedProperties; + + friend class QQuickVisualDataModelAttachedMetaObject; +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QQuickVisualDataModel) +QML_DECLARE_TYPEINFO(QQuickVisualDataModel, QML_HAS_ATTACHED_PROPERTIES) +QML_DECLARE_TYPE(QQuickVisualDataGroup) + +QT_END_HEADER + +#endif // QQUICKVISUALDATAMODEL_P_H |