1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/****************************************************************************
**
** Copyright (C) 2009 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 QMLGRAPHICSVISUALDATAMODEL_H
#define QMLGRAPHICSVISUALDATAMODEL_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 QmlGraphicsItem;
class QmlComponent;
class QmlPackage;
class QmlGraphicsVisualDataModelPrivate;
class Q_DECLARATIVE_EXPORT QmlGraphicsVisualModel : public QObject
{
Q_OBJECT
Q_PROPERTY(int count READ count NOTIFY countChanged)
public:
QmlGraphicsVisualModel() {}
virtual ~QmlGraphicsVisualModel() {}
enum ReleaseFlag { Referenced = 0x01, Destroyed = 0x02 };
Q_DECLARE_FLAGS(ReleaseFlags, ReleaseFlag)
virtual int count() const = 0;
virtual bool isValid() const = 0;
virtual QmlGraphicsItem *item(int index, bool complete=true) = 0;
virtual ReleaseFlags release(QmlGraphicsItem *item) = 0;
virtual void completeItem() = 0;
virtual QVariant evaluate(int index, const QString &expression, QObject *objectContext) = 0;
virtual int indexOf(QmlGraphicsItem *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, QmlGraphicsItem *item);
void destroyingItem(QmlGraphicsItem *item);
protected:
QmlGraphicsVisualModel(QObjectPrivate &dd, QObject *parent = 0)
: QObject(dd, parent) {}
private:
Q_DISABLE_COPY(QmlGraphicsVisualModel)
};
class QmlGraphicsVisualItemModelAttached;
class QmlGraphicsVisualItemModelPrivate;
class Q_DECLARATIVE_EXPORT QmlGraphicsVisualItemModel : public QmlGraphicsVisualModel
{
Q_OBJECT
Q_DECLARE_PRIVATE(QmlGraphicsVisualItemModel)
Q_PROPERTY(QmlList<QmlGraphicsItem *>* children READ children NOTIFY childrenChanged DESIGNABLE false)
Q_CLASSINFO("DefaultProperty", "children")
public:
QmlGraphicsVisualItemModel();
virtual ~QmlGraphicsVisualItemModel() {}
virtual int count() const;
virtual bool isValid() const;
virtual QmlGraphicsItem *item(int index, bool complete=true);
virtual ReleaseFlags release(QmlGraphicsItem *item);
virtual void completeItem();
virtual QVariant evaluate(int index, const QString &expression, QObject *objectContext);
virtual int indexOf(QmlGraphicsItem *item, QObject *objectContext) const;
QmlList<QmlGraphicsItem *> *children();
static QmlGraphicsVisualItemModelAttached *qmlAttachedProperties(QObject *obj);
Q_SIGNALS:
void childrenChanged();
private:
Q_DISABLE_COPY(QmlGraphicsVisualItemModel)
};
class Q_DECLARATIVE_EXPORT QmlGraphicsVisualDataModel : public QmlGraphicsVisualModel
{
Q_OBJECT
Q_DECLARE_PRIVATE(QmlGraphicsVisualDataModel)
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:
QmlGraphicsVisualDataModel();
QmlGraphicsVisualDataModel(QmlContext *);
virtual ~QmlGraphicsVisualDataModel();
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; }
QmlGraphicsItem *item(int index, bool complete=true);
QmlGraphicsItem *item(int index, const QByteArray &, bool complete=true);
ReleaseFlags release(QmlGraphicsItem *item);
void completeItem();
QVariant evaluate(int index, const QString &expression, QObject *objectContext);
int indexOf(QmlGraphicsItem *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_rowsMoved(const QModelIndex &, int, int, const QModelIndex &, int);
void _q_dataChanged(const QModelIndex&,const QModelIndex&);
void _q_createdPackage(int index, QmlPackage *package);
void _q_destroyingPackage(QmlPackage *package);
private:
Q_DISABLE_COPY(QmlGraphicsVisualDataModel)
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QmlGraphicsVisualModel)
QML_DECLARE_TYPE(QmlGraphicsVisualItemModel)
QML_DECLARE_TYPEINFO(QmlGraphicsVisualItemModel, QML_HAS_ATTACHED_PROPERTIES)
QML_DECLARE_TYPE(QmlGraphicsVisualDataModel)
QT_END_HEADER
#endif // QMLGRAPHICSVISUALDATAMODEL_H
|
