// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QQUICKTABLEVIEW_P_H
#define QQUICKTABLEVIEW_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <private/qtquickglobal_p.h>
QT_REQUIRE_CONFIG(quick_tableview);

#include <QtCore/qpointer.h>
#include <QtQuick/private/qtquickglobal_p.h>
#include <QtQuick/private/qquickflickable_p.h>
#include <QtQml/private/qqmlnullablevalue_p.h>
#include <QtQml/private/qqmlfinalizer_p.h>

QT_BEGIN_NAMESPACE

class QQuickTableViewAttached;
class QQuickTableViewPrivate;
class QItemSelectionModel;

class Q_QUICK_PRIVATE_EXPORT QQuickTableView : public QQuickFlickable, public QQmlFinalizerHook
{
    Q_OBJECT
    Q_INTERFACES(QQmlFinalizerHook)

    Q_PROPERTY(int rows READ rows NOTIFY rowsChanged)
    Q_PROPERTY(int columns READ columns NOTIFY columnsChanged)
    Q_PROPERTY(qreal rowSpacing READ rowSpacing WRITE setRowSpacing NOTIFY rowSpacingChanged)
    Q_PROPERTY(qreal columnSpacing READ columnSpacing WRITE setColumnSpacing NOTIFY columnSpacingChanged)
    Q_PROPERTY(QJSValue rowHeightProvider READ rowHeightProvider WRITE setRowHeightProvider NOTIFY rowHeightProviderChanged)
    Q_PROPERTY(QJSValue columnWidthProvider READ columnWidthProvider WRITE setColumnWidthProvider NOTIFY columnWidthProviderChanged)
    Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
    Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
    Q_PROPERTY(bool reuseItems READ reuseItems WRITE setReuseItems NOTIFY reuseItemsChanged)
    Q_PROPERTY(qreal contentWidth READ contentWidth WRITE setContentWidth NOTIFY contentWidthChanged)
    Q_PROPERTY(qreal contentHeight READ contentHeight WRITE setContentHeight NOTIFY contentHeightChanged)
    Q_PROPERTY(QQuickTableView *syncView READ syncView WRITE setSyncView NOTIFY syncViewChanged REVISION(2, 14))
    Q_PROPERTY(Qt::Orientations syncDirection READ syncDirection WRITE setSyncDirection NOTIFY syncDirectionChanged REVISION(2, 14))
    Q_PROPERTY(int leftColumn READ leftColumn NOTIFY leftColumnChanged REVISION(6, 0))
    Q_PROPERTY(int rightColumn READ rightColumn NOTIFY rightColumnChanged REVISION(6, 0))
    Q_PROPERTY(int topRow READ topRow NOTIFY topRowChanged REVISION(6, 0))
    Q_PROPERTY(int bottomRow READ bottomRow NOTIFY bottomRowChanged REVISION(6, 0))
    Q_PROPERTY(QItemSelectionModel *selectionModel READ selectionModel WRITE setSelectionModel NOTIFY selectionModelChanged REVISION(6, 2))
    Q_PROPERTY(bool animate READ animate WRITE setAnimate NOTIFY animateChanged REVISION(6, 4))
    Q_PROPERTY(bool keyNavigationEnabled READ keyNavigationEnabled WRITE setKeyNavigationEnabled NOTIFY keyNavigationEnabledChanged REVISION(6, 4))
    Q_PROPERTY(bool pointerNavigationEnabled READ pointerNavigationEnabled WRITE setPointerNavigationEnabled NOTIFY pointerNavigationEnabledChanged REVISION(6, 4))
    Q_PROPERTY(int currentRow READ currentRow NOTIFY currentRowChanged REVISION(6, 4) FINAL)
    Q_PROPERTY(int currentColumn READ currentColumn NOTIFY currentColumnChanged REVISION(6, 4) FINAL)
    Q_PROPERTY(bool alternatingRows READ alternatingRows WRITE setAlternatingRows NOTIFY alternatingRowsChanged REVISION(6, 4) FINAL)
    Q_PROPERTY(SelectionBehavior selectionBehavior READ selectionBehavior WRITE setSelectionBehavior NOTIFY selectionBehaviorChanged REVISION(6, 4) FINAL)

    QML_NAMED_ELEMENT(TableView)
    QML_ADDED_IN_VERSION(2, 12)
    QML_ATTACHED(QQuickTableViewAttached)

public:
    enum PositionModeFlag {
        AlignLeft = Qt::AlignLeft,
        AlignRight = Qt::AlignRight,
        AlignHCenter = Qt::AlignHCenter,
        AlignTop = Qt::AlignTop,
        AlignBottom = Qt::AlignBottom,
        AlignVCenter = Qt::AlignVCenter,
        AlignCenter = AlignVCenter | AlignHCenter,
        Visible = 0x01000,
        Contain = 0x02000
    };
    Q_DECLARE_FLAGS(PositionMode, PositionModeFlag)
    Q_FLAG(PositionMode)

    enum SelectionBehavior {
        SelectionDisabled,
        SelectCells,
        SelectRows,
        SelectColumns
    };
    Q_ENUM(SelectionBehavior)

    QQuickTableView(QQuickItem *parent = nullptr);
    ~QQuickTableView() override;
    int rows() const;
    int columns() const;

    qreal rowSpacing() const;
    void setRowSpacing(qreal spacing);

    qreal columnSpacing() const;
    void setColumnSpacing(qreal spacing);

    QJSValue rowHeightProvider() const;
    void setRowHeightProvider(const QJSValue &provider);

    QJSValue columnWidthProvider() const;
    void setColumnWidthProvider(const QJSValue &provider);

    QVariant model() const;
    void setModel(const QVariant &newModel);

    QQmlComponent *delegate() const;
    void setDelegate(QQmlComponent *);

    bool reuseItems() const;
    void setReuseItems(bool reuseItems);

    void setContentWidth(qreal width);
    void setContentHeight(qreal height);

    QQuickTableView *syncView() const;
    void setSyncView(QQuickTableView *view);

    Qt::Orientations syncDirection() const;
    void setSyncDirection(Qt::Orientations direction);

    QItemSelectionModel *selectionModel() const;
    void setSelectionModel(QItemSelectionModel *selectionModel);

    bool animate() const;
    void setAnimate(bool animate);

    bool keyNavigationEnabled() const;
    void setKeyNavigationEnabled(bool enabled);
    bool pointerNavigationEnabled() const;
    void setPointerNavigationEnabled(bool enabled);

    int leftColumn() const;
    int rightColumn() const;
    int topRow() const;
    int bottomRow() const;

    int currentRow() const;
    int currentColumn() const;

    bool alternatingRows() const;
    void setAlternatingRows(bool alternatingRows);

    SelectionBehavior selectionBehavior() const;
    void setSelectionBehavior(SelectionBehavior selectionBehavior);

    Q_INVOKABLE void forceLayout();
    Q_INVOKABLE void positionViewAtCell(const QPoint &cell, PositionMode mode, const QPointF &offset = QPointF(), const QRectF &subRect = QRectF());
    Q_INVOKABLE void positionViewAtCell(int column, int row, PositionMode mode, const QPointF &offset = QPointF(), const QRectF &subRect = QRectF());
    Q_INVOKABLE void positionViewAtRow(int row, PositionMode mode, qreal offset = 0, const QRectF &subRect = QRectF());
    Q_INVOKABLE void positionViewAtColumn(int column, PositionMode mode, qreal offset = 0, const QRectF &subRect = QRectF());
    Q_INVOKABLE QQuickItem *itemAtCell(const QPoint &cell) const;
    Q_INVOKABLE QQuickItem *itemAtCell(int column, int row) const;

    Q_REVISION(6, 4) Q_INVOKABLE QPoint cellAtPosition(const QPointF &position, bool includeSpacing = false) const;
    Q_REVISION(6, 4) Q_INVOKABLE QPoint cellAtPosition(qreal x, qreal y, bool includeSpacing = false) const;
#if QT_DEPRECATED_SINCE(6, 4)
    QT_DEPRECATED_VERSION_X_6_4("Use index(row, column) instead")
    Q_REVISION(6, 4) Q_INVOKABLE virtual QModelIndex modelIndex(int row, int column) const;
    QT_DEPRECATED_VERSION_X_6_4("Use cellAtPosition() instead")
    Q_INVOKABLE QPoint cellAtPos(const QPointF &position, bool includeSpacing = false) const;
    Q_INVOKABLE QPoint cellAtPos(qreal x, qreal y, bool includeSpacing = false) const;
#endif

    Q_REVISION(6, 2) Q_INVOKABLE bool isColumnLoaded(int column) const;
    Q_REVISION(6, 2) Q_INVOKABLE bool isRowLoaded(int row) const;

    Q_REVISION(6, 2) Q_INVOKABLE qreal columnWidth(int column) const;
    Q_REVISION(6, 2) Q_INVOKABLE qreal rowHeight(int row) const;
    Q_REVISION(6, 2) Q_INVOKABLE qreal implicitColumnWidth(int column) const;
    Q_REVISION(6, 2) Q_INVOKABLE qreal implicitRowHeight(int row) const;

    Q_REVISION(6, 4) Q_INVOKABLE QModelIndex index(int row, int column) const;
    Q_REVISION(6, 4) Q_INVOKABLE virtual QModelIndex modelIndex(const QPoint &cell) const;
    Q_REVISION(6, 4) Q_INVOKABLE virtual QPoint cellAtIndex(const QModelIndex &index) const;
    Q_REVISION(6, 4) Q_INVOKABLE int rowAtIndex(const QModelIndex &index) const;
    Q_REVISION(6, 4) Q_INVOKABLE int columnAtIndex(const QModelIndex &index) const;

    static QQuickTableViewAttached *qmlAttachedProperties(QObject *);

Q_SIGNALS:
    void rowsChanged();
    void columnsChanged();
    void rowSpacingChanged();
    void columnSpacingChanged();
    void rowHeightProviderChanged();
    void columnWidthProviderChanged();
    void modelChanged();
    void delegateChanged();
    void reuseItemsChanged();
    Q_REVISION(2, 14) void syncViewChanged();
    Q_REVISION(2, 14) void syncDirectionChanged();
    Q_REVISION(6, 0) void leftColumnChanged();
    Q_REVISION(6, 0) void rightColumnChanged();
    Q_REVISION(6, 0) void topRowChanged();
    Q_REVISION(6, 0) void bottomRowChanged();
    Q_REVISION(6, 2) void selectionModelChanged();
    Q_REVISION(6, 4) void animateChanged();
    Q_REVISION(6, 4) void keyNavigationEnabledChanged();
    Q_REVISION(6, 4) void pointerNavigationEnabledChanged();
    Q_REVISION(6, 4) void currentRowChanged();
    Q_REVISION(6, 4) void currentColumnChanged();
    Q_REVISION(6, 4) void alternatingRowsChanged();
    Q_REVISION(6, 4) void selectionBehaviorChanged();

protected:
    void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
    void viewportMoved(Qt::Orientations orientation) override;
    void keyPressEvent(QKeyEvent *e) override;

protected:
    QQuickTableView(QQuickTableViewPrivate &dd, QQuickItem *parent);
    // QQmlFinalizerHook interface
    void componentFinalized() override;

private:
    Q_DISABLE_COPY(QQuickTableView)
    Q_DECLARE_PRIVATE(QQuickTableView)

    qreal minXExtent() const override;
    qreal maxXExtent() const override;
    qreal minYExtent() const override;
    qreal maxYExtent() const override;
};

class Q_QUICK_PRIVATE_EXPORT QQuickTableViewAttached : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QQuickTableView *view READ view NOTIFY viewChanged)

public:
    QQuickTableViewAttached(QObject *parent)
        : QObject(parent) {}

    QQuickTableView *view() const { return m_view; }
    void setView(QQuickTableView *newTableView) {
        if (newTableView == m_view)
            return;
        m_view = newTableView;
        Q_EMIT viewChanged();
    }

Q_SIGNALS:
    void viewChanged();
    void pooled();
    void reused();

private:
    QPointer<QQuickTableView> m_view;

    friend class QQuickTableViewPrivate;
};

Q_DECLARE_OPERATORS_FOR_FLAGS(QQuickTableView::PositionMode)

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickTableView)

#endif // QQUICKTABLEVIEW_P_H
