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39 | |
40 | #ifndef QQMLDELEGATECOMPONENT_P_H |
41 | #define QQMLDELEGATECOMPONENT_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include <QtQmlModels/private/qtqmlmodelsglobal_p.h> |
55 | #include <QtQmlModels/private/qqmlabstractdelegatecomponent_p.h> |
56 | #include <QtQml/qqmlcomponent.h> |
57 | |
58 | QT_REQUIRE_CONFIG(qml_delegate_model); |
59 | |
60 | QT_BEGIN_NAMESPACE |
61 | |
62 | class QQmlDelegateChoice : public QObject |
63 | { |
64 | Q_OBJECT |
65 | Q_PROPERTY(QVariant roleValue READ roleValue WRITE setRoleValue NOTIFY roleValueChanged) |
66 | Q_PROPERTY(int row READ row WRITE setRow NOTIFY rowChanged) |
67 | Q_PROPERTY(int index READ row WRITE setRow NOTIFY indexChanged) |
68 | Q_PROPERTY(int column READ column WRITE setColumn NOTIFY columnChanged) |
69 | Q_PROPERTY(QQmlComponent* delegate READ delegate WRITE setDelegate NOTIFY delegateChanged) |
70 | Q_CLASSINFO("DefaultProperty" , "delegate" ) |
71 | QML_NAMED_ELEMENT(DelegateChoice) |
72 | public: |
73 | QVariant roleValue() const; |
74 | void setRoleValue(const QVariant &roleValue); |
75 | |
76 | int row() const; |
77 | void setRow(int r); |
78 | |
79 | int column() const; |
80 | void setColumn(int c); |
81 | |
82 | QQmlComponent *delegate() const; |
83 | void setDelegate(QQmlComponent *delegate); |
84 | |
85 | virtual bool match(int row, int column, const QVariant &value) const; |
86 | |
87 | signals: |
88 | void roleValueChanged(); |
89 | void rowChanged(); |
90 | void indexChanged(); |
91 | void columnChanged(); |
92 | void delegateChanged(); |
93 | void changed(); |
94 | |
95 | private: |
96 | QVariant m_value; |
97 | int m_row = -1; |
98 | int m_column = -1; |
99 | QQmlComponent *m_delegate = nullptr; |
100 | }; |
101 | |
102 | class QQmlDelegateChooser : public QQmlAbstractDelegateComponent |
103 | { |
104 | Q_OBJECT |
105 | Q_PROPERTY(QString role READ role WRITE setRole NOTIFY roleChanged) |
106 | Q_PROPERTY(QQmlListProperty<QQmlDelegateChoice> choices READ choices CONSTANT) |
107 | Q_CLASSINFO("DefaultProperty" , "choices" ) |
108 | QML_NAMED_ELEMENT(DelegateChooser) |
109 | |
110 | public: |
111 | QString role() const { return m_role; } |
112 | void setRole(const QString &role); |
113 | |
114 | virtual QQmlListProperty<QQmlDelegateChoice> choices(); |
115 | static void choices_append(QQmlListProperty<QQmlDelegateChoice> *, QQmlDelegateChoice *); |
116 | static int choices_count(QQmlListProperty<QQmlDelegateChoice> *); |
117 | static QQmlDelegateChoice *choices_at(QQmlListProperty<QQmlDelegateChoice> *, int); |
118 | static void choices_clear(QQmlListProperty<QQmlDelegateChoice> *); |
119 | static void choices_replace(QQmlListProperty<QQmlDelegateChoice> *, int, QQmlDelegateChoice *); |
120 | static void choices_removeLast(QQmlListProperty<QQmlDelegateChoice> *); |
121 | |
122 | QQmlComponent *delegate(QQmlAdaptorModel *adaptorModel, int row, int column = -1) const override; |
123 | |
124 | signals: |
125 | void roleChanged(); |
126 | |
127 | private: |
128 | QString m_role; |
129 | QList<QQmlDelegateChoice *> m_choices; |
130 | }; |
131 | |
132 | QT_END_NAMESPACE |
133 | |
134 | QML_DECLARE_TYPE(QQmlDelegateChoice) |
135 | QML_DECLARE_TYPE(QQmlDelegateChooser) |
136 | |
137 | #endif // QQMLDELEGATECOMPONENT_P_H |
138 | |