source: trunk/src/qt3support/sql/q3editorfactory.cpp@ 185

Last change on this file since 185 was 2, checked in by Dmitry A. Kuminov, 17 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 6.4 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the Qt3Support module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
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17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
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23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
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26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
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38** $QT_END_LICENSE$
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40****************************************************************************/
41
42#include "q3cleanuphandler.h"
43#include "qlabel.h"
44#include "qlineedit.h"
45#include "qspinbox.h"
46#include "qcombobox.h"
47
48#include "q3editorfactory.h"
49#include "qdatetimeedit.h"
50
51#ifndef QT_NO_SQL_EDIT_WIDGETS
52
53QT_BEGIN_NAMESPACE
54
55/*!
56 \class Q3EditorFactory
57 \brief The Q3EditorFactory class is used to create editor widgets
58 for QVariant data types.
59
60 \compat
61
62 Each editor factory provides the createEditor() function which
63 given a QVariant will create and return a QWidget that can edit
64 that QVariant. For example if you have a QVariant::String type, a
65 QLineEdit would be the default editor returned, whereas a
66 QVariant::Int's default editor would be a QSpinBox.
67
68 If you want to create different editors for fields with the same
69 data type, subclass Q3EditorFactory and reimplement the
70 createEditor() function.
71*/
72
73/*!
74 Constructs an editor factory with parent \a parent.
75*/
76
77Q3EditorFactory::Q3EditorFactory (QObject * parent)
78 : QObject(parent)
79{
80
81}
82
83/*!
84 Destroys the object and frees any allocated resources.
85*/
86
87Q3EditorFactory::~Q3EditorFactory()
88{
89
90}
91
92static Q3EditorFactory * defaultfactory = 0;
93static Q3CleanupHandler< Q3EditorFactory > q_cleanup_editor_factory;
94
95/*!
96 Returns an instance of a default editor factory.
97*/
98
99Q3EditorFactory * Q3EditorFactory::defaultFactory()
100{
101 if(defaultfactory == 0){
102 defaultfactory = new Q3EditorFactory();
103 q_cleanup_editor_factory.add(&defaultfactory);
104 }
105
106 return defaultfactory;
107}
108
109/*!
110 Replaces the default editor factory with \a factory.
111 \e{Q3EditorFactory takes ownership of factory, and destroys it
112 when it is no longer needed.}
113*/
114
115void Q3EditorFactory::installDefaultFactory(Q3EditorFactory * factory)
116{
117 if(factory == 0 || factory == defaultfactory) return;
118
119 if(defaultfactory != 0){
120 q_cleanup_editor_factory.remove(&defaultfactory);
121 delete defaultfactory;
122 }
123 defaultfactory = factory;
124 q_cleanup_editor_factory.add(&defaultfactory);
125}
126
127/*!
128 Creates and returns the appropriate editor for the QVariant \a v.
129 If the QVariant is invalid, 0 is returned. The \a parent is passed
130 to the appropriate editor's constructor.
131*/
132
133QWidget * Q3EditorFactory::createEditor(QWidget * parent, const QVariant & v)
134{
135 QWidget * w = 0;
136 switch(v.type()){
137 case QVariant::Invalid:
138 w = 0;
139 break;
140 case QVariant::Bool:
141 w = new QComboBox(parent, "qt_editor_bool");
142 ((QComboBox *) w)->insertItem(QLatin1String("False"));
143 ((QComboBox *) w)->insertItem(QLatin1String("True"));
144 break;
145 case QVariant::UInt:
146 w = new QSpinBox(0, 999999, 1, parent, "qt_editor_spinbox");
147 break;
148 case QVariant::Int:
149 w = new QSpinBox(-999999, 999999, 1, parent, "qt_editor_int");
150 break;
151 case QVariant::String:
152 case QVariant::Double:
153 w = new QLineEdit(parent, "qt_editor_double");
154 ((QLineEdit*)w)->setFrame(false);
155 break;
156 case QVariant::Date: {
157 QDateTimeEdit *edit = new QDateTimeEdit(parent);
158 edit->setDisplayFormat(QLatin1String("yyyy/MM/dd"));
159 edit->setObjectName(QLatin1String("qt_editor_date"));
160 w = edit; }
161 break;
162 case QVariant::Time: {
163 QDateTimeEdit *edit = new QDateTimeEdit(parent);
164 edit->setDisplayFormat(QLatin1String("hh:mm"));
165 edit->setObjectName(QLatin1String("qt_editor_time"));
166 w = edit; }
167 break;
168 case QVariant::DateTime:
169 w = new QDateTimeEdit(parent);
170 w->setObjectName(QLatin1String("qt_editor_datetime"));
171 break;
172#ifndef QT_NO_LABEL
173 case QVariant::Pixmap:
174 w = new QLabel(parent, QLatin1String("qt_editor_pixmap"));
175 break;
176#endif
177 case QVariant::Palette:
178 case QVariant::Color:
179 case QVariant::Font:
180 case QVariant::Brush:
181 case QVariant::Bitmap:
182 case QVariant::Cursor:
183 case QVariant::Map:
184 case QVariant::StringList:
185 case QVariant::Rect:
186 case QVariant::Size:
187 case QVariant::IconSet:
188 case QVariant::Point:
189 case QVariant::PointArray:
190 case QVariant::Region:
191 case QVariant::SizePolicy:
192 case QVariant::ByteArray:
193 default:
194 w = new QWidget(parent, "qt_editor_default");
195 break;
196 }
197 return w;
198}
199
200QT_END_NAMESPACE
201
202#endif // QT_NO_SQL
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