Mac-4.7.4/src/declarative/graphicsitems/qdeclarativevisualitemmodel_p.h - platform/external/qt - Git at Google

 /****************************************************************************
 **
 ** 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 QDECLARATIVEVISUALDATAMODEL_H
 #define QDECLARATIVEVISUALDATAMODEL_H

 #include <qdeclarative.h>

 #include <QtCore/qobject.h>
 #include <QtCore/qabstractitemmodel.h>

 QT_BEGIN_HEADER

 Q_DECLARE_METATYPE(QModelIndex)

 QT_BEGIN_NAMESPACE

 QT_MODULE(Declarative)

 class QDeclarativeItem;
 class QDeclarativeComponent;
 class QDeclarativePackage;
 class QDeclarativeVisualDataModelPrivate;

 class Q_AUTOTEST_EXPORT QDeclarativeVisualModel : public QObject
 {
     Q_OBJECT

     Q_PROPERTY(int count READ count NOTIFY countChanged)

 public:
     virtual ~QDeclarativeVisualModel() {}

     enum ReleaseFlag { Referenced = 0x01, Destroyed = 0x02 };
     Q_DECLARE_FLAGS(ReleaseFlags, ReleaseFlag)

     virtual int count() const = 0;
     virtual bool isValid() const = 0;
     virtual QDeclarativeItem *item(int index, bool complete=true) = 0;
     virtual ReleaseFlags release(QDeclarativeItem *item) = 0;
     virtual bool completePending() const = 0;
     virtual void completeItem() = 0;
     virtual QString stringValue(int, const QString &) = 0;
     virtual void setWatchedRoles(QList<QByteArray> roles) = 0;

     virtual int indexOf(QDeclarativeItem *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 itemsChanged(int index, int count);
     void modelReset();
     void createdItem(int index, QDeclarativeItem *item);
     void destroyingItem(QDeclarativeItem *item);

 protected:
     QDeclarativeVisualModel(QObjectPrivate &dd, QObject *parent = 0)
         : QObject(dd, parent) {}

 private:
     Q_DISABLE_COPY(QDeclarativeVisualModel)
 };

 class QDeclarativeVisualItemModelAttached;
 class QDeclarativeVisualItemModelPrivate;
 class Q_AUTOTEST_EXPORT QDeclarativeVisualItemModel : public QDeclarativeVisualModel
 {
     Q_OBJECT
     Q_DECLARE_PRIVATE(QDeclarativeVisualItemModel)

     Q_PROPERTY(QDeclarativeListProperty<QDeclarativeItem> children READ children NOTIFY childrenChanged DESIGNABLE false)
     Q_CLASSINFO("DefaultProperty", "children")

 public:
     QDeclarativeVisualItemModel(QObject *parent=0);
     virtual ~QDeclarativeVisualItemModel() {}

     virtual int count() const;
     virtual bool isValid() const;
     virtual QDeclarativeItem *item(int index, bool complete=true);
     virtual ReleaseFlags release(QDeclarativeItem *item);
     virtual bool completePending() const;
     virtual void completeItem();
     virtual QString stringValue(int index, const QString &role);
     virtual void setWatchedRoles(QList<QByteArray>) {}

     virtual int indexOf(QDeclarativeItem *item, QObject *objectContext) const;

     QDeclarativeListProperty<QDeclarativeItem> children();

     static QDeclarativeVisualItemModelAttached *qmlAttachedProperties(QObject *obj);

 Q_SIGNALS:
     void childrenChanged();

 private:
     Q_DISABLE_COPY(QDeclarativeVisualItemModel)
 };


 class Q_AUTOTEST_EXPORT QDeclarativeVisualDataModel : public QDeclarativeVisualModel
 {
     Q_OBJECT
     Q_DECLARE_PRIVATE(QDeclarativeVisualDataModel)

     Q_PROPERTY(QVariant model READ model WRITE setModel)
     Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate)
     Q_PROPERTY(QString part READ part WRITE setPart)
     Q_PROPERTY(QObject *parts READ parts CONSTANT)
     Q_PROPERTY(QVariant rootIndex READ rootIndex WRITE setRootIndex NOTIFY rootIndexChanged)
     Q_CLASSINFO("DefaultProperty", "delegate")
 public:
     QDeclarativeVisualDataModel();
     QDeclarativeVisualDataModel(QDeclarativeContext *, QObject *parent=0);
     virtual ~QDeclarativeVisualDataModel();

     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;

     QString part() const;
     void setPart(const QString &);

     int count() const;
     bool isValid() const { return delegate() != 0; }
     QDeclarativeItem *item(int index, bool complete=true);
     QDeclarativeItem *item(int index, const QByteArray &, bool complete=true);
     ReleaseFlags release(QDeclarativeItem *item);
     bool completePending() const;
     void completeItem();
     virtual QString stringValue(int index, const QString &role);
     virtual void setWatchedRoles(QList<QByteArray> roles);

     int indexOf(QDeclarativeItem *item, QObject *objectContext) const;

     QObject *parts();

 Q_SIGNALS:
     void createdPackage(int index, QDeclarativePackage *package);
     void destroyingPackage(QDeclarativePackage *package);
     void rootIndexChanged();

 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_rowsMoved(const QModelIndex &, int, int, const QModelIndex &, int);
     void _q_dataChanged(const QModelIndex&,const QModelIndex&);
     void _q_layoutChanged();
     void _q_modelReset();
     void _q_createdPackage(int index, QDeclarativePackage *package);
     void _q_destroyingPackage(QDeclarativePackage *package);

 private:
     Q_DISABLE_COPY(QDeclarativeVisualDataModel)
 };

 class QDeclarativeVisualItemModelAttached : public QObject
 {
     Q_OBJECT

 public:
     QDeclarativeVisualItemModelAttached(QObject *parent)
         : QObject(parent), m_index(0) {}
     ~QDeclarativeVisualItemModelAttached() {
         attachedProperties.remove(parent());
     }

     Q_PROPERTY(int index READ index NOTIFY indexChanged)
     int index() const { return m_index; }
     void setIndex(int idx) {
         if (m_index != idx) {
             m_index = idx;
             emit indexChanged();
         }
     }

     static QDeclarativeVisualItemModelAttached *properties(QObject *obj) {
         QDeclarativeVisualItemModelAttached *rv = attachedProperties.value(obj);
         if (!rv) {
             rv = new QDeclarativeVisualItemModelAttached(obj);
             attachedProperties.insert(obj, rv);
         }
         return rv;
     }

 Q_SIGNALS:
     void indexChanged();

 public:
     int m_index;

     static QHash<QObject*, QDeclarativeVisualItemModelAttached*> attachedProperties;
 };


 QT_END_NAMESPACE

 QML_DECLARE_TYPE(QDeclarativeVisualModel)
 QML_DECLARE_TYPE(QDeclarativeVisualItemModel)
 QML_DECLARE_TYPEINFO(QDeclarativeVisualItemModel, QML_HAS_ATTACHED_PROPERTIES)
 QML_DECLARE_TYPE(QDeclarativeVisualDataModel)

 QT_END_HEADER

 #endif // QDECLARATIVEVISUALDATAMODEL_H
	/****************************************************************************
	**
	** 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 QDECLARATIVEVISUALDATAMODEL_H
	#define QDECLARATIVEVISUALDATAMODEL_H

	#include <qdeclarative.h>

	#include <QtCore/qobject.h>
	#include <QtCore/qabstractitemmodel.h>

	QT_BEGIN_HEADER

	Q_DECLARE_METATYPE(QModelIndex)

	QT_BEGIN_NAMESPACE

	QT_MODULE(Declarative)

	class QDeclarativeItem;
	class QDeclarativeComponent;
	class QDeclarativePackage;
	class QDeclarativeVisualDataModelPrivate;

	class Q_AUTOTEST_EXPORT QDeclarativeVisualModel : public QObject
	{
	Q_OBJECT

	Q_PROPERTY(int count READ count NOTIFY countChanged)

	public:
	virtual ~QDeclarativeVisualModel() {}

	enum ReleaseFlag { Referenced = 0x01, Destroyed = 0x02 };
	Q_DECLARE_FLAGS(ReleaseFlags, ReleaseFlag)

	virtual int count() const = 0;
	virtual bool isValid() const = 0;
	virtual QDeclarativeItem *item(int index, bool complete=true) = 0;
	virtual ReleaseFlags release(QDeclarativeItem *item) = 0;
	virtual bool completePending() const = 0;
	virtual void completeItem() = 0;
	virtual QString stringValue(int, const QString &) = 0;
	virtual void setWatchedRoles(QList<QByteArray> roles) = 0;

	virtual int indexOf(QDeclarativeItem 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 itemsChanged(int index, int count);
	void modelReset();
	void createdItem(int index, QDeclarativeItem *item);
	void destroyingItem(QDeclarativeItem *item);

	protected:
	QDeclarativeVisualModel(QObjectPrivate &dd, QObject *parent = 0)
	: QObject(dd, parent) {}

	private:
	Q_DISABLE_COPY(QDeclarativeVisualModel)
	};

	class QDeclarativeVisualItemModelAttached;
	class QDeclarativeVisualItemModelPrivate;
	class Q_AUTOTEST_EXPORT QDeclarativeVisualItemModel : public QDeclarativeVisualModel
	{
	Q_OBJECT
	Q_DECLARE_PRIVATE(QDeclarativeVisualItemModel)

	Q_PROPERTY(QDeclarativeListProperty<QDeclarativeItem> children READ children NOTIFY childrenChanged DESIGNABLE false)
	Q_CLASSINFO("DefaultProperty", "children")

	public:
	QDeclarativeVisualItemModel(QObject *parent=0);
	virtual ~QDeclarativeVisualItemModel() {}

	virtual int count() const;
	virtual bool isValid() const;
	virtual QDeclarativeItem *item(int index, bool complete=true);
	virtual ReleaseFlags release(QDeclarativeItem *item);
	virtual bool completePending() const;
	virtual void completeItem();
	virtual QString stringValue(int index, const QString &role);
	virtual void setWatchedRoles(QList<QByteArray>) {}

	virtual int indexOf(QDeclarativeItem item, QObject objectContext) const;

	QDeclarativeListProperty<QDeclarativeItem> children();

	static QDeclarativeVisualItemModelAttached qmlAttachedProperties(QObject obj);

	Q_SIGNALS:
	void childrenChanged();

	private:
	Q_DISABLE_COPY(QDeclarativeVisualItemModel)
	};


	class Q_AUTOTEST_EXPORT QDeclarativeVisualDataModel : public QDeclarativeVisualModel
	{
	Q_OBJECT
	Q_DECLARE_PRIVATE(QDeclarativeVisualDataModel)

	Q_PROPERTY(QVariant model READ model WRITE setModel)
	Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate)
	Q_PROPERTY(QString part READ part WRITE setPart)
	Q_PROPERTY(QObject *parts READ parts CONSTANT)
	Q_PROPERTY(QVariant rootIndex READ rootIndex WRITE setRootIndex NOTIFY rootIndexChanged)
	Q_CLASSINFO("DefaultProperty", "delegate")
	public:
	QDeclarativeVisualDataModel();
	QDeclarativeVisualDataModel(QDeclarativeContext , QObject parent=0);
	virtual ~QDeclarativeVisualDataModel();

	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;

	QString part() const;
	void setPart(const QString &);

	int count() const;
	bool isValid() const { return delegate() != 0; }
	QDeclarativeItem *item(int index, bool complete=true);
	QDeclarativeItem *item(int index, const QByteArray &, bool complete=true);
	ReleaseFlags release(QDeclarativeItem *item);
	bool completePending() const;
	void completeItem();
	virtual QString stringValue(int index, const QString &role);
	virtual void setWatchedRoles(QList<QByteArray> roles);

	int indexOf(QDeclarativeItem item, QObject objectContext) const;

	QObject *parts();

	Q_SIGNALS:
	void createdPackage(int index, QDeclarativePackage *package);
	void destroyingPackage(QDeclarativePackage *package);
	void rootIndexChanged();

	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_rowsMoved(const QModelIndex &, int, int, const QModelIndex &, int);
	void _q_dataChanged(const QModelIndex&,const QModelIndex&);
	void _q_layoutChanged();
	void _q_modelReset();
	void _q_createdPackage(int index, QDeclarativePackage *package);
	void _q_destroyingPackage(QDeclarativePackage *package);

	private:
	Q_DISABLE_COPY(QDeclarativeVisualDataModel)
	};

	class QDeclarativeVisualItemModelAttached : public QObject
	{
	Q_OBJECT

	public:
	QDeclarativeVisualItemModelAttached(QObject *parent)
	: QObject(parent), m_index(0) {}
	~QDeclarativeVisualItemModelAttached() {
	attachedProperties.remove(parent());
	}

	Q_PROPERTY(int index READ index NOTIFY indexChanged)
	int index() const { return m_index; }
	void setIndex(int idx) {
	if (m_index != idx) {
	m_index = idx;
	emit indexChanged();
	}
	}

	static QDeclarativeVisualItemModelAttached properties(QObject obj) {
	QDeclarativeVisualItemModelAttached *rv = attachedProperties.value(obj);
	if (!rv) {
	rv = new QDeclarativeVisualItemModelAttached(obj);
	attachedProperties.insert(obj, rv);
	}
	return rv;
	}

	Q_SIGNALS:
	void indexChanged();

	public:
	int m_index;

	static QHash<QObject, QDeclarativeVisualItemModelAttached> attachedProperties;
	};


	QT_END_NAMESPACE

	QML_DECLARE_TYPE(QDeclarativeVisualModel)
	QML_DECLARE_TYPE(QDeclarativeVisualItemModel)
	QML_DECLARE_TYPEINFO(QDeclarativeVisualItemModel, QML_HAS_ATTACHED_PROPERTIES)
	QML_DECLARE_TYPE(QDeclarativeVisualDataModel)

	QT_END_HEADER

	#endif // QDECLARATIVEVISUALDATAMODEL_H