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
|
/****************************************************************************
**
** 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 QDECLARATIVEXMLLISTMODEL_H
#define QDECLARATIVEXMLLISTMODEL_H
#include <qdeclarative.h>
#include <qdeclarativeinfo.h>
#include "../3rdparty/qlistmodelinterface_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QDeclarativeContext;
class QDeclarativeXmlListModelRole;
class QDeclarativeXmlListModelPrivate;
class Q_DECLARATIVE_EXPORT QDeclarativeXmlListModel : public QListModelInterface, public QDeclarativeParserStatus
{
Q_OBJECT
Q_INTERFACES(QDeclarativeParserStatus)
Q_ENUMS(Status)
Q_PROPERTY(Status status READ status NOTIFY statusChanged)
Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
Q_PROPERTY(QUrl source READ source WRITE setSource)
Q_PROPERTY(QString xml READ xml WRITE setXml)
Q_PROPERTY(QString query READ query WRITE setQuery)
Q_PROPERTY(QString namespaceDeclarations READ namespaceDeclarations WRITE setNamespaceDeclarations)
Q_PROPERTY(QDeclarativeListProperty<QDeclarativeXmlListModelRole> roles READ roleObjects)
Q_PROPERTY(int count READ count NOTIFY countChanged)
Q_CLASSINFO("DefaultProperty", "roles")
public:
QDeclarativeXmlListModel(QObject *parent = 0);
~QDeclarativeXmlListModel();
virtual QHash<int,QVariant> data(int index, const QList<int> &roles = (QList<int>())) const;
virtual QVariant data(int index, int role) const;
virtual int count() const;
virtual QList<int> roles() const;
virtual QString toString(int role) const;
QDeclarativeListProperty<QDeclarativeXmlListModelRole> roleObjects();
QUrl source() const;
void setSource(const QUrl&);
QString xml() const;
void setXml(const QString&);
QString query() const;
void setQuery(const QString&);
QString namespaceDeclarations() const;
void setNamespaceDeclarations(const QString&);
enum Status { Null, Ready, Loading, Error };
Status status() const;
qreal progress() const;
virtual void classBegin();
virtual void componentComplete();
Q_SIGNALS:
void statusChanged(Status);
void progressChanged(qreal progress);
void countChanged();
public Q_SLOTS:
// ### need to use/expose Expiry to guess when to call this?
// ### property to auto-call this on reasonable Expiry?
// ### LastModified/Age also useful to guess.
// ### Probably also applies to other network-requesting types.
void reload();
private Q_SLOTS:
void requestFinished();
void requestProgress(qint64,qint64);
void queryCompleted(int,int);
private:
Q_DECLARE_PRIVATE(QDeclarativeXmlListModel)
Q_DISABLE_COPY(QDeclarativeXmlListModel)
};
class Q_DECLARATIVE_EXPORT QDeclarativeXmlListModelRole : public QObject
{
Q_OBJECT
Q_PROPERTY(QString name READ name WRITE setName)
Q_PROPERTY(QString query READ query WRITE setQuery)
Q_PROPERTY(bool isKey READ isKey WRITE setIsKey)
public:
QDeclarativeXmlListModelRole() : m_isKey(false) {}
~QDeclarativeXmlListModelRole() {}
QString name() const { return m_name; }
void setName(const QString &name) { m_name = name; }
QString query() const { return m_query; }
void setQuery(const QString &query)
{
if (query.startsWith(QLatin1Char('/'))) {
qmlInfo(this) << tr("An XmlRole query must not start with '/'");
return;
}
m_query = query;
}
bool isKey() const { return m_isKey; }
void setIsKey(bool b) { m_isKey = b; }
bool isValid() {
return !m_name.isEmpty() && !m_query.isEmpty();
}
private:
QString m_name;
QString m_query;
bool m_isKey;
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QDeclarativeXmlListModel)
QML_DECLARE_TYPE(QDeclarativeXmlListModelRole)
QT_END_HEADER
#endif // QDECLARATIVEXMLLISTMODEL_H
|
