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     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtDeclarative module of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

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    40 ****************************************************************************/

    41 

    42 #ifndef QDECLARATIVELISTMODEL_H

    43 #define QDECLARATIVELISTMODEL_H

    44 

    45 #include <qdeclarative.h>

    46 #include <private/qdeclarativecustomparser_p.h>

    47 

    48 #include <QtCore/QObject>

    49 #include <QtCore/QStringList>

    50 #include <QtCore/QHash>

    51 #include <QtCore/QList>

    52 #include <QtCore/QVariant>

    53 #include <private/qlistmodelinterface_p.h>

    54 #include <QtScript/qscriptvalue.h>

    55 

    56 QT_BEGIN_HEADER

    57 

    58 QT_BEGIN_NAMESPACE

    59 

    60 QT_MODULE(Declarative)

    61 

    62 class FlatListModel;

    63 class NestedListModel;

    64 class QDeclarativeListModelWorkerAgent;

    65 struct ModelNode;

    66 class Q_DECLARATIVE_EXPORT QDeclarativeListModel : public QListModelInterface

    67 {

    68     Q_OBJECT

    69     Q_PROPERTY(int count READ count NOTIFY countChanged)

    70 

    71 public:

    72     QDeclarativeListModel(QObject *parent=0);

    73     ~QDeclarativeListModel();

    74 

    75     virtual QList<int> roles() const;

    76     virtual QString toString(int role) const;

    77     virtual int count() const;

    78     virtual QHash<int,QVariant> data(int index, const QList<int> &roles = (QList<int>())) const;

    79     virtual QVariant data(int index, int role) const;

    80 

    81     Q_INVOKABLE void clear();

    82     Q_INVOKABLE void remove(int index);

    83     Q_INVOKABLE void append(const QScriptValue&);

    84     Q_INVOKABLE void insert(int index, const QScriptValue&);

    85     Q_INVOKABLE QScriptValue get(int index) const;

    86     Q_INVOKABLE void set(int index, const QScriptValue&);

    87     Q_INVOKABLE void setProperty(int index, const QString& property, const QVariant& value);

    88     Q_INVOKABLE void move(int from, int to, int count);

    89     Q_INVOKABLE void sync();

    90 

    91     QDeclarativeListModelWorkerAgent *agent();

    92 

    93 Q_SIGNALS:

    94     void countChanged();

    95 

    96 private:

    97     friend class QDeclarativeListModelParser;

    98     friend class QDeclarativeListModelWorkerAgent;

    99     friend struct ModelNode;

   100 

   101     QDeclarativeListModel(bool workerCopy, QObject *parent=0);

   102     bool flatten();

   103     bool modifyCheck();

   104 

   105     QDeclarativeListModelWorkerAgent *m_agent;

   106     NestedListModel *m_nested;

   107     FlatListModel *m_flat;

   108     bool m_isWorkerCopy;

   109 };

   110 

   111 // ### FIXME

   112 class QDeclarativeListElement : public QObject

   113 {

   114 Q_OBJECT

   115 };

   116 

   117 class QDeclarativeListModelParser : public QDeclarativeCustomParser

   118 {

   119 public:

   120     QByteArray compile(const QList<QDeclarativeCustomParserProperty> &);

   121     void setCustomData(QObject *, const QByteArray &);

   122 

   123 private:

   124     struct ListInstruction

   125     {

   126         enum { Push, Pop, Value, Set } type;

   127         int dataIdx;

   128     };

   129     struct ListModelData

   130     {

   131         int dataOffset;

   132         int instrCount;

   133         ListInstruction *instructions() const;

   134     };

   135     bool compileProperty(const QDeclarativeCustomParserProperty &prop, QList<ListInstruction> &instr, QByteArray &data);

   136 

   137     bool definesEmptyList(const QString &);

   138 };

   139 

   140 

   141 QT_END_NAMESPACE

   142 

   143 QML_DECLARE_TYPE(QDeclarativeListModel)

   144 QML_DECLARE_TYPE(QDeclarativeListElement)

   145 

   146 QT_END_HEADER

   147 

   148 #endif // QDECLARATIVELISTMODEL_H