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28 
29 //
30 //  W A R N I N G
31 //  -------------
32 //
33 // This file is not part of the Qt API.  It exists for the convenience
34 // of Qt Designer.  This header
35 // file may change from version to version without notice, or even be removed.
36 //
37 // We mean it.
38 //
39 
40 #ifndef PROMOTIONMODEL_H
41 #define PROMOTIONMODEL_H
42 
43 #include <QtGui/qstandarditemmodel.h>
44 #include <QtCore/qmetatype.h>
45 #include <QtCore/qset.h>
46 
47 QT_BEGIN_NAMESPACE
48 
49 class QDesignerFormEditorInterface;
50 class QDesignerWidgetDataBaseItemInterface;
51 
52 namespace qdesigner_internal {
53 
54     // Item model representing the promoted widgets.
55     class PromotionModel : public QStandardItemModel {
56         Q_OBJECT
57 
58     public:
59         struct ModelData {
isValidModelData60             bool isValid() const { return promotedItem != nullptr; }
61 
62             QDesignerWidgetDataBaseItemInterface *baseItem{nullptr};
63             QDesignerWidgetDataBaseItemInterface *promotedItem{nullptr};
64             bool referenced{false};
65         };
66 
67         explicit PromotionModel(QDesignerFormEditorInterface *core);
68 
69         void updateFromWidgetDatabase();
70 
71         ModelData modelData(const QModelIndex &index) const;
72         ModelData modelData(const QStandardItem *item) const;
73 
74         QModelIndex indexOfClass(const QString &className) const;
75 
76    signals:
77         void includeFileChanged(QDesignerWidgetDataBaseItemInterface *, const QString &includeFile);
78         void classNameChanged(QDesignerWidgetDataBaseItemInterface *, const QString &newName);
79 
80     private slots:
81         void slotItemChanged(QStandardItem * item);
82 
83     private:
84         void initializeHeaders();
85 
86         QDesignerFormEditorInterface *m_core;
87     };
88 } // namespace qdesigner_internal
89 
90 QT_END_NAMESPACE
91 
92 Q_DECLARE_METATYPE(qdesigner_internal::PromotionModel::ModelData)
93 
94 #endif // PROMOTIONMODEL_H
95