// SPDX-License-Identifier: LGPL-2.1-or-later

/***************************************************************************
 *   Copyright (c) 2015 Eivind Kvedalen <eivind@kvedalen.name>             *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  is distributed in the hope that it will be useful,      *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

#ifndef SHEETTABLEVIEW_H
#define SHEETTABLEVIEW_H

#include <QHeaderView>
#include <QTableView>
#include <QTimer>
#include <QMenu>
#include <Mod/Spreadsheet/App/Sheet.h>


namespace SpreadsheetGui
{

class SheetViewHeader: public QHeaderView
{
    Q_OBJECT
public:
    SheetViewHeader(QTableView* owner, Qt::Orientation o)
        : QHeaderView(o)
        , owner(owner)
    {
        setSectionsClickable(true);
    }
Q_SIGNALS:
    void resizeFinished();
    void cursorChanged(QCursor);

protected:
    void mouseMoveEvent(QMouseEvent* e) override;
    void mouseReleaseEvent(QMouseEvent* event) override;
    bool viewportEvent(QEvent* e) override;

private:
    QTableView* owner;
};

class SheetTableView: public QTableView
{
    Q_OBJECT
public:
    explicit SheetTableView(QWidget* parent = nullptr);
    ~SheetTableView() override;

    void edit(const QModelIndex& index);
    void setSheet(Spreadsheet::Sheet* _sheet);
    std::vector<App::Range> selectedRanges() const;
    QModelIndexList selectedIndexesRaw() const;
    QString toHtml() const;

public Q_SLOTS:
    void mergeCells();
    void splitCell();
    void deleteSelection();
    void copySelection();
    void cutSelection();
    void pasteClipboard();
    void finishEditWithMove(int keyPressed, Qt::KeyboardModifiers modifiers, bool handleTabMotion = false);
    void ModifyBlockSelection(int targetRow, int targetColumn);

protected Q_SLOTS:
    void commitData(QWidget* editor) override;
    void updateCellSpan();
    void insertRows();
    void insertRowsAfter();
    void removeRows();
    void insertColumns();
    void insertColumnsAfter();
    void removeColumns();
    void cellProperties();
    void onRecompute();
    void onBind();
    void onConfSetup();

protected:
    bool edit(const QModelIndex& index, EditTrigger trigger, QEvent* event) override;
    bool event(QEvent* event) override;
    void closeEditor(QWidget* editor, QAbstractItemDelegate::EndEditHint hint) override;
    void mousePressEvent(QMouseEvent* event) override;
    void selectionChanged(const QItemSelection& selected, const QItemSelection& deselected) override;

    void contextMenuEvent(QContextMenuEvent* e) override;

    void _copySelection(const std::vector<App::Range>& ranges, bool copy);

    QModelIndex currentEditIndex;
    Spreadsheet::Sheet* sheet;
    int tabCounter;

    QMenu contextMenu;

    QAction* actionProperties;
    QAction* actionRecompute;
    QAction* actionConf;
    QAction* actionMerge;
    QAction* actionSplit;
    QAction* actionCopy;
    QAction* actionPaste;
    QAction* actionCut;
    QAction* actionDel;
    QAction* actionBind;

    QTimer timer;

    fastsignals::scoped_connection cellSpanChangedConnection;
    std::set<App::CellAddress> spanChanges;
};

}  // namespace SpreadsheetGui

#endif  // SHEETTABLEVIEW_H