| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QQUICKREPEATER_P_H |
| 5 | #define QQUICKREPEATER_P_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include "qquickitem.h" |
| 19 | |
| 20 | #include <private/qtquickglobal_p.h> |
| 21 | |
| 22 | QT_REQUIRE_CONFIG(quick_repeater); |
| 23 | |
| 24 | QT_BEGIN_NAMESPACE |
| 25 | |
| 26 | class QQmlChangeSet; |
| 27 | |
| 28 | class QQuickRepeaterPrivate; |
| 29 | class Q_QUICK_PRIVATE_EXPORT QQuickRepeater : public QQuickItem |
| 30 | { |
| 31 | Q_OBJECT |
| 32 | |
| 33 | Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged FINAL) |
| 34 | Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged FINAL) |
| 35 | Q_PROPERTY(int count READ count NOTIFY countChanged FINAL) |
| 36 | Q_CLASSINFO("DefaultProperty", "delegate") |
| 37 | QML_NAMED_ELEMENT(Repeater) |
| 38 | QML_ADDED_IN_VERSION(2, 0) |
| 39 | |
| 40 | public: |
| 41 | QQuickRepeater(QQuickItem *parent=nullptr); |
| 42 | virtual ~QQuickRepeater(); |
| 43 | |
| 44 | QVariant model() const; |
| 45 | void setModel(const QVariant &); |
| 46 | |
| 47 | QQmlComponent *delegate() const; |
| 48 | void setDelegate(QQmlComponent *); |
| 49 | |
| 50 | int count() const; |
| 51 | |
| 52 | Q_INVOKABLE QQuickItem *itemAt(int index) const; |
| 53 | |
| 54 | Q_SIGNALS: |
| 55 | void modelChanged(); |
| 56 | void delegateChanged(); |
| 57 | void countChanged(); |
| 58 | |
| 59 | void itemAdded(int index, QQuickItem *item); |
| 60 | void itemRemoved(int index, QQuickItem *item); |
| 61 | |
| 62 | private: |
| 63 | void clear(); |
| 64 | void regenerate(); |
| 65 | |
| 66 | protected: |
| 67 | void componentComplete() override; |
| 68 | void itemChange(ItemChange change, const ItemChangeData &value) override; |
| 69 | |
| 70 | private Q_SLOTS: |
| 71 | void createdItem(int index, QObject *item); |
| 72 | void initItem(int, QObject *item); |
| 73 | void modelUpdated(const QQmlChangeSet &changeSet, bool reset); |
| 74 | |
| 75 | private: |
| 76 | Q_DISABLE_COPY(QQuickRepeater) |
| 77 | Q_DECLARE_PRIVATE(QQuickRepeater) |
| 78 | }; |
| 79 | |
| 80 | QT_END_NAMESPACE |
| 81 | |
| 82 | QML_DECLARE_TYPE(QQuickRepeater) |
| 83 | |
| 84 | #endif // QQUICKREPEATER_P_H |
| 85 |