1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtWidgets module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QITEMEDITORFACTORY_H
41#define QITEMEDITORFACTORY_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtCore/qmetaobject.h>
45#include <QtCore/qbytearray.h>
46#include <QtCore/qhash.h>
47#include <QtCore/qvariant.h>
48
49QT_REQUIRE_CONFIG(itemviews);
50
51QT_BEGIN_NAMESPACE
52
53class QWidget;
54
55class Q_WIDGETS_EXPORT QItemEditorCreatorBase
56{
57public:
58 virtual ~QItemEditorCreatorBase();
59
60 virtual QWidget *createWidget(QWidget *parent) const = 0;
61 virtual QByteArray valuePropertyName() const = 0;
62};
63
64template <class T>
65class QItemEditorCreator : public QItemEditorCreatorBase
66{
67public:
68 inline explicit QItemEditorCreator(const QByteArray &valuePropertyName);
69 inline QWidget *createWidget(QWidget *parent) const override { return new T(parent); }
70 inline QByteArray valuePropertyName() const override { return propertyName; }
71
72private:
73 QByteArray propertyName;
74};
75
76template <class T>
77class QStandardItemEditorCreator: public QItemEditorCreatorBase
78{
79public:
80 inline QStandardItemEditorCreator()
81 : propertyName(T::staticMetaObject.userProperty().name())
82 {}
83 inline QWidget *createWidget(QWidget *parent) const override { return new T(parent); }
84 inline QByteArray valuePropertyName() const override { return propertyName; }
85
86private:
87 QByteArray propertyName;
88};
89
90
91template <class T>
92Q_INLINE_TEMPLATE QItemEditorCreator<T>::QItemEditorCreator(const QByteArray &avaluePropertyName)
93 : propertyName(avaluePropertyName) {}
94
95class Q_WIDGETS_EXPORT QItemEditorFactory
96{
97public:
98 inline QItemEditorFactory() {}
99 virtual ~QItemEditorFactory();
100
101 virtual QWidget *createEditor(int userType, QWidget *parent) const;
102 virtual QByteArray valuePropertyName(int userType) const;
103
104 void registerEditor(int userType, QItemEditorCreatorBase *creator);
105
106 static const QItemEditorFactory *defaultFactory();
107 static void setDefaultFactory(QItemEditorFactory *factory);
108
109private:
110 QHash<int, QItemEditorCreatorBase *> creatorMap;
111};
112
113QT_END_NAMESPACE
114
115#endif // QITEMEDITORFACTORY_H
116

source code of qtbase/src/widgets/itemviews/qitemeditorfactory.h