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| 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. |
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| 17 | ** GNU Lesser General Public License Usage |
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| 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 |
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| 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 | |
| 49 | QT_REQUIRE_CONFIG(itemviews); |
| 50 | |
| 51 | QT_BEGIN_NAMESPACE |
| 52 | |
| 53 | class QWidget; |
| 54 | |
| 55 | class Q_WIDGETS_EXPORT QItemEditorCreatorBase |
| 56 | { |
| 57 | public: |
| 58 | virtual ~QItemEditorCreatorBase(); |
| 59 | |
| 60 | virtual QWidget *createWidget(QWidget *parent) const = 0; |
| 61 | virtual QByteArray valuePropertyName() const = 0; |
| 62 | }; |
| 63 | |
| 64 | template <class T> |
| 65 | class QItemEditorCreator : public QItemEditorCreatorBase |
| 66 | { |
| 67 | public: |
| 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 | |
| 72 | private: |
| 73 | QByteArray propertyName; |
| 74 | }; |
| 75 | |
| 76 | template <class T> |
| 77 | class QStandardItemEditorCreator: public QItemEditorCreatorBase |
| 78 | { |
| 79 | public: |
| 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 | |
| 86 | private: |
| 87 | QByteArray propertyName; |
| 88 | }; |
| 89 | |
| 90 | |
| 91 | template <class T> |
| 92 | Q_INLINE_TEMPLATE QItemEditorCreator<T>::QItemEditorCreator(const QByteArray &avaluePropertyName) |
| 93 | : propertyName(avaluePropertyName) {} |
| 94 | |
| 95 | class Q_WIDGETS_EXPORT QItemEditorFactory |
| 96 | { |
| 97 | public: |
| 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 | |
| 109 | private: |
| 110 | QHash<int, QItemEditorCreatorBase *> creatorMap; |
| 111 | }; |
| 112 | |
| 113 | QT_END_NAMESPACE |
| 114 | |
| 115 | #endif // QITEMEDITORFACTORY_H |
| 116 | |