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Diffstat (limited to 'src/declarative/util/qdeclarativelistmodel_p.h')
-rw-r--r-- | src/declarative/util/qdeclarativelistmodel_p.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/src/declarative/util/qdeclarativelistmodel_p.h b/src/declarative/util/qdeclarativelistmodel_p.h new file mode 100644 index 0000000..251a31f --- /dev/null +++ b/src/declarative/util/qdeclarativelistmodel_p.h @@ -0,0 +1,139 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QDECLARATIVELISTMODEL_H +#define QDECLARATIVELISTMODEL_H + +#include <qdeclarative.h> +#include <private/qdeclarativecustomparser_p.h> + +#include <QtCore/QObject> +#include <QtCore/QStringList> +#include <QtCore/QHash> +#include <QtCore/QList> +#include <QtCore/QVariant> +#include "../3rdparty/qlistmodelinterface_p.h" +#include <QtScript/qscriptvalue.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +struct ModelNode; +class Q_DECLARATIVE_EXPORT QDeclarativeListModel : public QListModelInterface +{ + Q_OBJECT + Q_PROPERTY(int count READ count NOTIFY countChanged) + +public: + QDeclarativeListModel(QObject *parent=0); + ~QDeclarativeListModel(); + + virtual QList<int> roles() const; + virtual QString toString(int role) const; + virtual int count() const; + virtual QHash<int,QVariant> data(int index, const QList<int> &roles = (QList<int>())) const; + virtual QVariant data(int index, int role) const; + + Q_INVOKABLE void clear(); + Q_INVOKABLE void remove(int index); + Q_INVOKABLE void append(const QScriptValue&); + Q_INVOKABLE void insert(int index, const QScriptValue&); + Q_INVOKABLE QScriptValue get(int index) const; + Q_INVOKABLE void set(int index, const QScriptValue&); + Q_INVOKABLE void setProperty(int index, const QString& property, const QVariant& value); + Q_INVOKABLE void move(int from, int to, int count); + +Q_SIGNALS: + void countChanged(int); + +private: + QVariant valueForNode(ModelNode *) const; + mutable QStringList roleStrings; + friend class QDeclarativeListModelParser; + friend struct ModelNode; + + void checkRoles() const; + void addRole(const QString &) const; + mutable bool _rolesOk; + ModelNode *_root; +}; + +// ### FIXME +class QDeclarativeListElement : public QObject +{ +Q_OBJECT +}; + +class QDeclarativeListModelParser : public QDeclarativeCustomParser +{ +public: + QByteArray compile(const QList<QDeclarativeCustomParserProperty> &); + void setCustomData(QObject *, const QByteArray &); + +private: + struct ListInstruction + { + enum { Push, Pop, Value, Set } type; + int dataIdx; + }; + struct ListModelData + { + int dataOffset; + int instrCount; + ListInstruction *instructions() const; + }; + bool compileProperty(const QDeclarativeCustomParserProperty &prop, QList<ListInstruction> &instr, QByteArray &data); + + bool definesEmptyList(const QString &); +}; + + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QDeclarativeListModel) +QML_DECLARE_TYPE(QDeclarativeListElement) + +QT_END_HEADER + +#endif // QDECLARATIVELISTMODEL_H |