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Diffstat (limited to 'src/declarative/fx/qfxvisualitemmodel.h')
-rw-r--r-- | src/declarative/fx/qfxvisualitemmodel.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/declarative/fx/qfxvisualitemmodel.h b/src/declarative/fx/qfxvisualitemmodel.h new file mode 100644 index 0000000..f519a9e --- /dev/null +++ b/src/declarative/fx/qfxvisualitemmodel.h @@ -0,0 +1,199 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QFXVISUALDATAMODEL_H +#define QFXVISUALDATAMODEL_H + +#include <QtCore/qobject.h> +#include <QtCore/qabstractitemmodel.h> +#include <QtDeclarative/qml.h> + + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) +/***************************************************************************** + ***************************************************************************** + XXX Experimental + ***************************************************************************** +*****************************************************************************/ + +class QFxItem; +class QmlComponent; +class QmlPackage; +class QFxVisualDataModelPrivate; + +class Q_DECLARATIVE_EXPORT QFxVisualModel : public QObject +{ + Q_OBJECT + + Q_PROPERTY(int count READ count NOTIFY countChanged) + +public: + QFxVisualModel() {} + virtual ~QFxVisualModel() {} + + enum ReleaseFlag { Referenced = 0x01, Destroyed = 0x02 }; + Q_DECLARE_FLAGS(ReleaseFlags, ReleaseFlag) + + virtual int count() const = 0; + virtual bool isValid() const = 0; + virtual QFxItem *item(int index, bool complete=true) = 0; + virtual ReleaseFlags release(QFxItem *item) = 0; + virtual void completeItem() = 0; + virtual QVariant evaluate(int index, const QString &expression, QObject *objectContext) = 0; + + virtual int indexOf(QFxItem *item, QObject *objectContext) const = 0; + +Q_SIGNALS: + void countChanged(); + void itemsInserted(int index, int count); + void itemsRemoved(int index, int count); + void itemsMoved(int from, int to, int count); + void createdItem(int index, QFxItem *item); + void destroyingItem(QFxItem *item); + +protected: + QFxVisualModel(QObjectPrivate &dd, QObject *parent = 0) + : QObject(dd, parent) {} + +private: + Q_DISABLE_COPY(QFxVisualModel) +}; + +class QFxVisualItemModelAttached; +class QFxVisualItemModelPrivate; +class Q_DECLARATIVE_EXPORT QFxVisualItemModel : public QFxVisualModel +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QFxVisualItemModel) + + Q_PROPERTY(QmlList<QFxItem *>* children READ children DESIGNABLE false) + Q_CLASSINFO("DefaultProperty", "children") + +public: + QFxVisualItemModel(); + virtual ~QFxVisualItemModel() {} + + virtual int count() const; + virtual bool isValid() const; + virtual QFxItem *item(int index, bool complete=true); + virtual ReleaseFlags release(QFxItem *item); + virtual void completeItem(); + virtual QVariant evaluate(int index, const QString &expression, QObject *objectContext); + + virtual int indexOf(QFxItem *item, QObject *objectContext) const; + + QmlList<QFxItem *> *children(); + + static QFxVisualItemModelAttached *qmlAttachedProperties(QObject *obj); + +private: + Q_DISABLE_COPY(QFxVisualItemModel) +}; + + +class Q_DECLARATIVE_EXPORT QFxVisualDataModel : public QFxVisualModel +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QFxVisualDataModel) + + Q_PROPERTY(QVariant model READ model WRITE setModel) + Q_PROPERTY(QmlComponent *delegate READ delegate WRITE setDelegate) + Q_PROPERTY(QString part READ part WRITE setPart) + Q_PROPERTY(QObject *parts READ parts CONSTANT) + Q_CLASSINFO("DefaultProperty", "delegate") +public: + QFxVisualDataModel(); + QFxVisualDataModel(QmlContext *); + virtual ~QFxVisualDataModel(); + + QVariant model() const; + void setModel(const QVariant &); + + QmlComponent *delegate() const; + void setDelegate(QmlComponent *); + + QString part() const; + void setPart(const QString &); + + int count() const; + bool isValid() const { return delegate() != 0; } + QFxItem *item(int index, bool complete=true); + QFxItem *item(int index, const QByteArray &, bool complete=true); + ReleaseFlags release(QFxItem *item); + void completeItem(); + QVariant evaluate(int index, const QString &expression, QObject *objectContext); + + int indexOf(QFxItem *item, QObject *objectContext) const; + + QObject *parts(); + +Q_SIGNALS: + void createdPackage(int index, QmlPackage *package); + void destroyingPackage(QmlPackage *package); + +private Q_SLOTS: + void _q_itemsChanged(int, int, const QList<int> &); + 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_rowsInserted(const QModelIndex &,int,int); + void _q_rowsRemoved(const QModelIndex &,int,int); + void _q_dataChanged(const QModelIndex&,const QModelIndex&); + void _q_createdPackage(int index, QmlPackage *package); + void _q_destroyingPackage(QmlPackage *package); + +private: + Q_DISABLE_COPY(QFxVisualDataModel) +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QFxVisualModel) +QML_DECLARE_TYPE(QFxVisualItemModel) +QML_DECLARE_TYPE(QFxVisualDataModel) + +QT_END_HEADER + +#endif // QFXVISUALDATAMODEL_H |