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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include <QAbstractListModel>
#include <QPointer>
class TableHeaderLengthModel : public QAbstractListModel
{
Q_OBJECT
Q_PROPERTY(
QAbstractItemModel *sourceModel
READ sourceModel
WRITE setSourceModel
NOTIFY sourceModelChanged)
Q_PROPERTY(
Qt::Orientation orientation
READ orientation
WRITE setOrientation
NOTIFY orientationChanged)
Q_PROPERTY(
int defaultLength
READ defaultLength
WRITE setDefaultLength
NOTIFY defaultLengthChanged
FINAL)
public:
explicit TableHeaderLengthModel(QObject *parent = nullptr);
enum Roles {
LengthRole = Qt::UserRole + 1,
HiddenRole,
NameRole,
};
QHash<int, QByteArray> roleNames() const override;
int rowCount(const QModelIndex &parent = QModelIndex()) const override;
QVariant data(const QModelIndex &index, int role) const override;
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
void setSourceModel(QAbstractItemModel *sourceModel);
QAbstractItemModel *sourceModel() const;
void setOrientation(Qt::Orientation orientation);
Qt::Orientation orientation() const;
int defaultLength() const;
void setDefaultLength(int value);
Q_INVOKABLE int length(int section) const;
Q_INVOKABLE void setLength(int section, int len);
Q_INVOKABLE bool isVisible(int section) const;
Q_INVOKABLE void setVisible(int section, bool visible);
Q_INVOKABLE int minimumLength(int section) const;
signals:
void sourceModelChanged();
void orientationChanged();
void defaultLengthChanged();
void sectionVisibilityChanged(int);
private slots:
void onSourceItemsInserted(const QModelIndex &parent, int first, int last);
void onSourceItemsRemoved(const QModelIndex &parent, int first, int last);
void onSourceItemsMoved(
const QModelIndex &sourceParent,
int sourceStart,
int sourceEnd,
const QModelIndex &destinationParent,
int destinationRow);
void checkModelReset();
private:
void setupModel();
bool invalidSection(int section) const;
struct Item
{
bool visible = true;
int length;
};
QPointer<QAbstractItemModel> m_sourceModel;
Qt::Orientation m_orientation = Qt::Horizontal;
int m_defaultLength = 100;
QList<Item> m_data;
};
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