/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#pragma once

#include <svtools/editbrowsebox.hxx>

#include <vcl/weld.hxx>

#include <memory>

#include <vector>

namespace com::sun::star {

    namespace awt {

        class XWindow;

    }

}

namespace chart

{

class DataBrowserModel;

class NumberFormatterWrapper;

class ChartModel;

namespace impl

{

class SeriesHeader;

class SeriesHeaderEdit;

}

class DataBrowser : public ::svt::EditBrowseBox

{

protected:

    // EditBrowseBox overridables

    virtual void PaintCell( OutputDevice& rDev, const tools::Rectangle& rRect, sal_uInt16 nColumnId ) const override;

    virtual bool SeekRow( sal_Int32 nRow ) override;

    virtual bool IsTabAllowed( bool bForward ) const override;

    virtual ::svt::CellController* GetController( sal_Int32 nRow, sal_uInt16 nCol ) override;

    virtual void InitController( ::svt::CellControllerRef& rController, sal_Int32 nRow, sal_uInt16 nCol ) override;

    virtual bool SaveModified() override;

    virtual void CursorMoved() override;

    // called whenever the control of the current cell has been modified

    virtual void CellModified() override;

    virtual void ColumnResized( sal_uInt16 nColId ) override;

    virtual void EndScroll() override;

    virtual void MouseButtonDown( const BrowserMouseEvent& rEvt ) override;

public:

    DataBrowser(const css::uno::Reference<css::awt::XWindow> &rParent,

                weld::Box* pColumns, weld::Box* pColors);

    virtual ~DataBrowser() override;

    virtual void dispose() override;

    /** GetCellText returns the text at the given position

        @param  nRow

            the number of the row

        @param  nColId

            the ID of the column

        @return

            the text out of the cell

    */

    virtual OUString  GetCellText(sal_Int32 nRow, sal_uInt16 nColId) const override;

    /** returns the number in the given cell. If a cell is empty or contains a

        string, the result will be Nan

    */

    double GetCellNumber( sal_Int32 nRow, sal_uInt16 nColumnId ) const;

    bool isDateTimeString( const OUString& aInputString, double& fOutDateTimeValue );

    // Window

    virtual void Resize() override;

    void SetReadOnly( bool bNewState );

    bool IsReadOnly() const { return m_bIsReadOnly;}

    void SetDataFromModel( const rtl::Reference<::chart::ChartModel> & xChartDoc );

    // predicates to determine what actions are possible at the current cursor

    // position.  This depends on the implementation of the according mutators

    // below.  (They are used for enabling toolbar icons)

    bool MayInsertRow() const;

    bool MayInsertColumn() const;

    bool MayDeleteRow() const;

    bool MayDeleteColumn() const;

    bool MayMoveUpRows() const;

    bool MayMoveDownRows() const;

    bool MayMoveRightColumns() const;

    bool MayMoveLeftColumns() const;

    // mutators mutating data

    void InsertRow();

    void InsertColumn();

    void InsertTextColumn();

    void RemoveRow();

    void RemoveColumn();

    using BrowseBox::RemoveColumn;

    using BrowseBox::MouseButtonDown;

    void MoveUpRow();

    void MoveDownRow();

    void MoveLeftColumn();

    void MoveRightColumn();

    void SetCursorMovedHdl( const Link<DataBrowser*,void>& rLink );

    /// confirms all pending changes to be ready to be closed

    bool EndEditing();

    bool CellContainsNumbers( sal_uInt16 nCol ) const;

    sal_uInt32 GetNumberFormatKey( sal_uInt16 nCol ) const;

    bool IsEnableItem() const { return m_bDataValid;}

    bool IsDataValid() const;

    void ShowWarningBox();

    bool ShowQueryBox();

    void RenewSeriesHeaders();

private:

    rtl::Reference<::chart::ChartModel> m_xChartDoc;

    std::unique_ptr< DataBrowserModel > m_apDataBrowserModel;

    typedef std::vector< std::shared_ptr< impl::SeriesHeader > > tSeriesHeaderContainer;

    tSeriesHeaderContainer m_aSeriesHeaders;

    std::shared_ptr< NumberFormatterWrapper >  m_spNumberFormatterWrapper;

    /// the row that is currently painted

    sal_Int32           m_nSeekRow;

    bool                m_bIsReadOnly;

    bool                m_bDataValid;

    VclPtr<svt::FormattedControl> m_aNumberEditField;

    VclPtr<svt::EditControl>    m_aTextEditField;

    weld::Box* m_pColumnsWin;

    weld::Box* m_pColorsWin;

    /// note: m_aNumberEditField must precede this member!

    ::svt::CellControllerRef    m_rNumberEditController;

    /// note: m_aTextEditField must precede this member!

    ::svt::CellControllerRef    m_rTextEditController;

    Link<DataBrowser*,void>     m_aCursorMovedHdlLink;

    void clearHeaders();

    void RenewTable();

    void ImplAdjustHeaderControls();

    const OUString & GetColString( sal_Int32 nColumnId ) const;

    DECL_LINK( SeriesHeaderGotFocus, impl::SeriesHeaderEdit&, void );

    DECL_LINK( SeriesHeaderChanged,  impl::SeriesHeaderEdit&, void );

    DataBrowser( const DataBrowser & ) = delete;

};

} // namespace chart

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