/* -*- 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 .
 */
#ifndef INCLUDED_SW_INC_FLDBAS_HXX
#define INCLUDED_SW_INC_FLDBAS_HXX

#include <i18nlangtag/lang.h>
#include "swdllapi.h"
#include "calbck.hxx"
#include <cppuhelper/weakref.hxx>
#include <editeng/svxenum.hxx>
#include <vector>

class SwDoc;
class SvNumberFormatter;
namespace com { namespace sun { namespace star { namespace beans { class XPropertySet; } } } }
namespace com { namespace sun { namespace star { namespace uno { class Any; } } } }

enum class SwFieldIds : sal_uInt16 {
/// For old documents the Field-Which IDs must be preserved !!!
    Database,
    User,
    Filename,
    DatabaseName,
    Date,
    Time,
    PageNumber,
    Author,
    Chapter,
    DocStat,
    GetExp,
    SetExp,
    GetRef,
    HiddenText,
    Postit,
    FixDate,
    FixTime,
    Reg,
    VarReg,
    SetRef,
    Input,
    Macro,
    Dde,
    Table,
    HiddenPara,
    DocInfo,
    TemplateName,
    DbNextSet,
    DbNumSet,
    DbSetNumber,
    ExtUser,
    RefPageSet,
    RefPageGet,
    Internet,
    JumpEdit,
    Script,
    DateTime,
    TableOfAuthorities,
    CombinedChars,
    Dropdown,
    ParagraphSignature,
    LAST = ParagraphSignature,

    Unknown = USHRT_MAX, // used as default value in some method calls
};

/// List of FieldTypes at UI.
enum SwFieldTypesEnum {
    TYP_BEGIN,
    TYP_DATEFLD = TYP_BEGIN,    // 0
    TYP_TIMEFLD,
    TYP_FILENAMEFLD,
    TYP_DBNAMEFLD,
    TYP_CHAPTERFLD,
    TYP_PAGENUMBERFLD,
    TYP_DOCSTATFLD,
    TYP_AUTHORFLD,
    TYP_SETFLD,
    TYP_GETFLD,
    TYP_FORMELFLD,              // 10
    TYP_HIDDENTXTFLD,
    TYP_SETREFFLD,
    TYP_GETREFFLD,
    TYP_DDEFLD,
    TYP_MACROFLD,
    TYP_INPUTFLD,
    TYP_HIDDENPARAFLD,
    TYP_DOCINFOFLD,
    TYP_DBFLD,
    TYP_USERFLD,                // 20
    TYP_POSTITFLD,
    TYP_TEMPLNAMEFLD,
    TYP_SEQFLD,
    TYP_DBNEXTSETFLD,
    TYP_DBNUMSETFLD,
    TYP_DBSETNUMBERFLD,
    TYP_CONDTXTFLD,
    TYP_NEXTPAGEFLD,
    TYP_PREVPAGEFLD,
    TYP_EXTUSERFLD,             // 30
    TYP_FIXDATEFLD,
    TYP_FIXTIMEFLD,
    TYP_SETINPFLD,
    TYP_USRINPFLD,
    TYP_SETREFPAGEFLD,
    TYP_GETREFPAGEFLD,
    TYP_INTERNETFLD,
    TYP_JUMPEDITFLD,
    TYP_SCRIPTFLD,
    TYP_AUTHORITY,              // 40
    TYP_COMBINED_CHARS,
    TYP_DROPDOWN,
    TYP_CUSTOM,     // Unused - necessary for alignment with aSwFields in fldmgr.cxx
    TYP_PARAGRAPHSIGFLD,
    TYP_END
};
enum SwAttrFieldTYpe {
    ATTR_NONE,
    ATTR_DATEFLD,
    ATTR_TIMEFLD,
    ATTR_PAGENUMBERFLD,
    ATTR_PAGECOOUNTFLD,
    ATTR_BOOKMARKFLD,
    ATTR_SETREFATTRFLD
};
enum SwFileNameFormat {
    FF_BEGIN,
    FF_NAME = FF_BEGIN,
    FF_PATHNAME,
    FF_PATH,
    FF_NAME_NOEXT,
    FF_UI_NAME,
    FF_UI_RANGE,
    FF_END,
    FF_FIXED = 0x8000
};

enum SwVarFormat {
    VVF_CMD         = 0x0010,   ///< Show command.
    VVF_INVISIBLE   = 0x0040,   ///< Invisible.
    VVF_XXP         = 0x0400,   ///< 1234%
    VVF_XX_XXP      = 0x0800,   ///< 1.234,56%
    VVF_CLEAR       = 0x000f,

// From here new formats:
    VVF_SYS         = 0x2000,   ///< Format for numbers from system.
    VVF_X           = 0x2100,   ///< 1234
    VVF_X_X         = 0x2200,   ///< 1234.5
    VVF_X_XX        = 0x2300,   ///< 1245.56
    VVF_XX_X        = 0x2400,   ///< 1.234.5
    VVF_XX_XX       = 0x2500,   ///< 1.234.56
    VVF_XX_XXX      = 0x2600,   ///< 1.234.567
    VVF_SYS_CUR     = 0x2700,   ///< Format for currency from system.
    VVF_CUR_X       = 0x2800,   ///< EUR 1234
    VVF_CUR_XX_XX   = 0x2900,   ///< EUR 1234.56 EUR 1234.00
    VVF_CUR_XX_X0   = 0x2a00,   ///< EUR 1234.56 EUR 1234.--
    VVF_X_CUR       = 0x2b00,   ///< 1234 EUR
    VVF_XX_XX_CUR   = 0x2c00,   ///< 1234.56 EUR 1234.00 EUR
    VVF_XX_X0_CUR   = 0x2d00,   ///< 1234.56 EUR 1234.-- EUR
/// Compatibility:
    VF_CMD          = VVF_CMD,
    VF_INVISIBLE    = VVF_INVISIBLE,
    VF_XXP          = VVF_XXP,
    VF_XX_XXP       = VVF_XX_XXP,
    VF_VISIBLE      = VVF_SYS,
    VF_XX           = VVF_X,
    VF_XX_XX        = VVF_XX_XX,
    VF_XX_XX_CUR    = VVF_SYS_CUR,
    VF_CLEAR        = VVF_CLEAR

};

typedef sal_uInt16 SwGetSetExpType;
namespace nsSwGetSetExpType
{
const SwGetSetExpType GSE_STRING  = 0x0001; ///< String
const SwGetSetExpType GSE_EXPR    = 0x0002; ///< Expression
const SwGetSetExpType GSE_INP     = 0x0004; ///< InputField
const SwGetSetExpType GSE_SEQ     = 0x0008; ///< Sequence
const SwGetSetExpType GSE_FORMULA = 0x0010; ///< Formula
}

typedef sal_uInt16 SwExtendedSubType;
namespace nsSwExtendedSubType
{
const SwExtendedSubType SUB_CMD         = 0x0100;   ///< Show command.
const SwExtendedSubType SUB_INVISIBLE   = 0x0200;   ///< Invisible.
const SwExtendedSubType SUB_OWN_FMT     = 0x0400;   ///< SwDBField: Don't accept formatting from database.
}

enum SwInputFieldSubType {
    INP_TXT     = 0x01,
    INP_USR     = 0x02,
    INP_VAR     = 0x03
};

enum SwUserType {
    UF_STRING   = 0x01,
    UF_EXPR     = 0x02
};

enum SwDateTimeSubType {
    FIXEDFLD = 1,
    DATEFLD  = 2,
    TIMEFLD  = 4
};

/// General tools.
OUString  FormatNumber(sal_uInt32 nNum, SvxNumType nFormat, LanguageType nLang = LANGUAGE_NONE);

/** Instances of SwFields and those derived from it occur 0 to n times.
 For each class there is one instance of the associated type class.
 Base class of all field types is SwFieldType. */

class SW_DLLPUBLIC SwFieldType : public SwModify, public sw::BroadcasterMixin
{
    css::uno::WeakReference<css::beans::XPropertySet> m_wXFieldMaster;

    SwFieldIds m_nWhich;

    friend void FinitUI();     ///< In order to delete pointer!
    static  std::vector<OUString>* s_pFieldNames;

    static void GetFieldName_();  ///< Sets up FieldNames; fldmgr.cxx!

protected:
    /// Single argument ctors shall be explicit.
    explicit SwFieldType( SwFieldIds nWhichId );

public:

    SAL_DLLPRIVATE css::uno::WeakReference<css::beans::XPropertySet> const& GetXObject() const {
        return m_wXFieldMaster;
    }
    SAL_DLLPRIVATE void SetXObject(css::uno::Reference<css::beans::XPropertySet> const& xFieldMaster) {
        m_wXFieldMaster = xFieldMaster;
    }

    static OUString    GetTypeStr( sal_uInt16 nTypeId );

    /// Only in derived classes.
    virtual OUString        GetName() const;
    virtual SwFieldType*    Copy()    const = 0;
    virtual void QueryValue( css::uno::Any& rVal, sal_uInt16 nWhich ) const;
    virtual void PutValue( const css::uno::Any& rVal, sal_uInt16 nWhich );

    SwFieldIds              Which() const { return m_nWhich; }

    inline  void            UpdateFields() const;
};

inline void SwFieldType::UpdateFields() const
{
    const_cast<SwFieldType*>(this)->ModifyNotification( nullptr, nullptr );
}

/** Base class of all fields.
 Type of field is queried via Which.
 Expanded content of field is queried via Expand(). */
class SW_DLLPUBLIC SwField
{
private:
    mutable OUString    m_Cache;                ///< Cached expansion (for clipboard).
    bool                m_bUseFieldValueCache;  /// control the usage of the cached field value
    LanguageType        m_nLang;                ///< Always change via SetLanguage!
    bool                m_bIsAutomaticLanguage;
    sal_uInt32          m_nFormat;              /// this can be either SvxNumType or SwChapterFormat depending on the subtype
    SwFieldType*        m_pType;

    virtual OUString    Expand() const = 0;
    virtual std::unique_ptr<SwField> Copy() const = 0;

protected:
    void                SetFormat(sal_uInt32 const nSet) {
        m_nFormat = nSet;
    }

    SwField( SwFieldType* pTyp,
             sal_uInt32 nFormat = 0,
             LanguageType nLang = LANGUAGE_SYSTEM,
             bool m_bUseFieldValueCache = true );

public:
    virtual             ~SwField();

    inline SwFieldType* GetTyp() const;

    /// Set new type (used for copying among documents).
    virtual SwFieldType* ChgTyp( SwFieldType* );

    /** expand the field.
        @param  bCached     return cached field value.
        @remark     most callers should use the cached field value.
                    this is because various fields need special handing
                    (ChangeExpansion()) to return correct values, and only
                    SwTextFormatter::NewFieldPortion() sets things up properly.
        @return     the generated text (suitable for display)
      */
    OUString            ExpandField(bool const bCached) const;

    /// @return name or content.
    virtual OUString    GetFieldName() const;

    std::unique_ptr<SwField> CopyField() const;

    /// ResId
    SwFieldIds          Which() const
#ifdef DBG_UTIL
    ;       // implemented in fldbas.cxx
#else
    {
        return m_pType->Which();
    }
#endif

    // TYP_ID
    sal_uInt16      GetTypeId() const;
    virtual sal_uInt16      GetSubType() const;
    virtual void        SetSubType(sal_uInt16);

    /// Language at field position.
    inline LanguageType GetLanguage() const;
    virtual void        SetLanguage(LanguageType nLng);

    /// Query parameters for dialog and for BASIC.
    inline sal_uInt32   GetFormat() const;
    virtual OUString GetPar1() const;
    virtual OUString GetPar2() const;

    virtual OUString    GetFormula() const;

    void        ChangeFormat(sal_uInt32 n);
    virtual void        SetPar1(const OUString& rStr);
    virtual void        SetPar2(const OUString& rStr);

    virtual bool        QueryValue( css::uno::Any& rVal, sal_uInt16 nWhichId ) const;
    virtual bool        PutValue( const css::uno::Any& rVal, sal_uInt16 nWhichId );

    /// Does the field possess an action on its ClickHandler? (e.g. INetFields, ...).
    bool            HasClickHdl() const;
    bool            IsFixed() const;

    bool IsAutomaticLanguage() const {
        return m_bIsAutomaticLanguage;
    }
    void SetAutomaticLanguage(bool const bSet) {
        m_bIsAutomaticLanguage = bSet;
    }

    virtual OUString    GetDescription() const;
    /// Is this field clickable?
    bool IsClickable() const;
    virtual void dumpAsXml(struct _xmlTextWriter* pWriter) const;
};

inline SwFieldType* SwField::GetTyp() const
{
    return m_pType;
}

inline sal_uInt32 SwField::GetFormat() const
{
    return m_nFormat;
}

inline LanguageType SwField::GetLanguage() const
{
    return m_nLang;
}

/// Fields containing values that have to be formatted via number formatter.
class SwValueFieldType : public SwFieldType
{
private:
    SwDoc*  m_pDoc;
    bool    m_bUseFormat; ///< Use number formatter.

protected:
    SwValueFieldType( SwDoc* pDocPtr, SwFieldIds nWhichId );
    SwValueFieldType( const SwValueFieldType& rTyp );

public:
    SwDoc*   GetDoc() const                      {
        return m_pDoc;
    }
    void     SetDoc(SwDoc* pNewDoc)              {
        m_pDoc = pNewDoc;
    }

    bool     UseFormat() const                   {
        return m_bUseFormat;
    }
    void     EnableFormat(bool bFormat = true)   {
        m_bUseFormat = bFormat;
    }

    OUString        ExpandValue(const double& rVal, sal_uInt32 nFormat, LanguageType nLng) const;
    OUString        DoubleToString(const double &rVal, LanguageType eLng) const;
    OUString        DoubleToString(const double &rVal, sal_uInt32 nFormat) const;
};

class SW_DLLPUBLIC SwValueField : public SwField
{
private:
    double m_fValue;

protected:
    SwValueField( SwValueFieldType* pFieldType, sal_uInt32 nFormat, LanguageType nLang = LANGUAGE_SYSTEM, const double fVal = 0.0 );
    SwValueField( const SwValueField& rField );

public:
    virtual                 ~SwValueField() override;

    virtual SwFieldType*    ChgTyp( SwFieldType* ) override;
    virtual void            SetLanguage(LanguageType nLng) override;

    SwDoc*           GetDoc() const          {
        return static_cast<const SwValueFieldType*>(GetTyp())->GetDoc();
    }

    virtual double          GetValue() const;
    virtual void            SetValue( const double& rVal );

    OUString ExpandValue(const double& rVal, sal_uInt32 nFormat, LanguageType nLng) const {
        return static_cast<SwValueFieldType*>(GetTyp())->ExpandValue(rVal, nFormat, nLng);
    }

    static sal_uInt32       GetSystemFormat(SvNumberFormatter* pFormatter, sal_uInt32 nFormat);
};

class SW_DLLPUBLIC SwFormulaField : public SwValueField
{
private:
    OUString m_sFormula;

protected:
    SwFormulaField( SwValueFieldType* pFieldType, sal_uInt32 nFormat, const double fVal );
    SwFormulaField( const SwFormulaField& rField );

public:
    virtual OUString        GetFormula() const override;
    void                    SetFormula(const OUString& rStr);

    void                    SetExpandedFormula(const OUString& rStr);
    OUString                GetExpandedFormula() const;
};

#endif // INCLUDED_SW_INC_FLDBAS_HXX

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