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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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#ifndef _SVX_SPELLDDIALOG_HXX
#define _SVX_SPELLDDIALOG_HXX

// include ---------------------------------------------------------------

#include <sfx2/basedlgs.hxx>
#include <vcl/fixed.hxx>
#include <vcl/edit.hxx>
#include <vcl/lstbox.hxx>
#include <svtools/stdctrl.hxx>
#include <vcl/button.hxx>
#include <vcl/menubtn.hxx>
#include <vcl/group.hxx>
#include <vcl/decoview.hxx>
#include <vcl/image.hxx>
#include <com/sun/star/uno/Reference.hxx>


#include <svtools/svxbox.hxx>
#include <svx/langbox.hxx>
#include <memory>
#include <svtools/svmedit.hxx>
#include <svl/lstner.hxx>
#include <svtools/xtextedt.hxx>
#include <editeng/SpellPortions.hxx>

#include <set>

class ScrollBar;
class TextEngine;
class ExtTextView;
namespace svx{ class SpellUndoAction_Impl;}

// forward ---------------------------------------------------------------

struct SpellDialog_Impl;

namespace com{namespace sun{namespace star{
namespace linguistic2{
    class XSpellChecker1;
}}}}
namespace svx{
class SpellDialog;
struct SpellErrorDescription;
// ------------------------------------------------------------------
class SentenceEditWindow_Impl : public MultiLineEdit/*, public SfxListener*/
{
	using MultiLineEdit::SetText;

private:
    std::set< sal_uInt16 >      m_aIgnoreErrorsAt;
    sal_uInt16          m_nErrorStart;
    sal_uInt16          m_nErrorEnd;
    bool            m_bIsUndoEditMode;

    Link            m_aModifyLink;
    
    void            CallModifyLink() {m_aModifyLink.Call(this);}

    SpellDialog*    GetSpellDialog() const {return (SpellDialog*)GetParent();}
protected:
    virtual long    PreNotify( NotifyEvent& rNEvt );

public:
                    SentenceEditWindow_Impl( SpellDialog* pParent, const ResId& rResId );
                    ~SentenceEditWindow_Impl();

    void            SetModifyHdl(const Link& rLink) { m_aModifyLink = rLink;}
    
    void            SetAttrib( const TextAttrib& rAttr, sal_uLong nPara, sal_uInt16 nStart, sal_uInt16 nEnd );
    void            SetText( const String& rStr );
    
    bool            MarkNextError( bool bIgnoreCurrentError );            
    void            ChangeMarkedWord(const String& rNewWord, LanguageType eLanguage);
    void            MoveErrorMarkTo(sal_uInt16 nErrorStart, sal_uInt16 nErrorEnd, bool bGrammar);
    String          GetErrorText() const;
    void            RestoreCurrentError();
    
    void            SetAlternatives(
                        com::sun::star::uno::Reference<com::sun::star::linguistic2::XSpellAlternatives> );
    
    const SpellErrorDescription* GetAlternatives();


    void            ResetModified()   { GetTextEngine()->SetModified(sal_False); m_bIsUndoEditMode = false;}
    sal_Bool            IsModified() const              { return GetTextEngine()->IsModified(); }
    
    bool            IsUndoEditMode() const { return m_bIsUndoEditMode;}
    void            SetUndoEditMode(bool bSet);
    
    svx::SpellPortions  CreateSpellPortions( bool bSetIgnoreFlag ) const;

    void            ResetUndo();
    void            Undo();
    void            AddUndoAction( SfxUndoAction *pAction, sal_Bool bTryMerg=sal_False );
    sal_uInt16      GetUndoActionCount();
    void            UndoActionStart( sal_uInt16 nId );
    void            UndoActionEnd();

    void            MoveErrorEnd(long nOffset);

    void            ResetIgnoreErrorsAt()   { m_aIgnoreErrorsAt.clear(); }
};


// class SvxSpellDialog ---------------------------------------------
class SpellDialogChildWindow;
class ExplainButton : public PushButton
{
    String              m_sExplanation;
    
    virtual void        RequestHelp( const HelpEvent& rHEvt );
    virtual void        Click();
public: 
    ExplainButton( Window* pParent, const ResId& rResId ) : PushButton( pParent, rResId ){}
    ~ExplainButton();    
    void                SetExplanation( const String& rText ) {m_sExplanation = rText;}
    bool                HasExplanation() { return m_sExplanation.Len() > 0;}
    
};

class SpellDialog : public SfxModelessDialog
{
	using Window::Invalidate;

	friend class SentenceEditWindow_Impl;
private:
    
    FixedImage      aVendorImageFI;
    
    FixedText       aLanguageFT;
    SvxLanguageBox  aLanguageLB;
    
    FixedText           aNotInDictFT;
    SentenceEditWindow_Impl  aSentenceED; 
    
    FixedText       aSuggestionFT;
    ListBox         aSuggestionLB;
    
    PushButton      aIgnorePB;
    PushButton      aIgnoreAllPB;
    PushButton      aIgnoreRulePB;
    MenuButton      aAddToDictMB;
    
    PushButton      aChangePB;
    PushButton      aChangeAllPB;
    ExplainButton   aExplainPB;
    PushButton      aAutoCorrPB;

    CheckBox        aCheckGrammarCB;

    HelpButton      aHelpPB;
    PushButton      aOptionsPB;
    PushButton      aUndoPB;
    PushButton      aClosePB;

    GroupBox        aBackgroundGB;

    Image           aVendorImage;
    Image           aVendorImageHC;

    String          aResumeST;
    String          aIgnoreOnceST;
    String          aNoSuggestionsST;

    const String    m_sTitleSpelling;
    const String    m_sTitleSpellingGrammar;
    const String    m_sTitleSpellingGrammarVendor;
    
    Size            aOldWordEDSize;
    Link            aDialogUndoLink;
    
    bool            bModified;
    bool            bFocusLocked;
    
    svx::SpellDialogChildWindow& rParent;
    svx::SpellPortions           m_aSavedSentence;

    SpellDialog_Impl* pImpl;
	::com::sun::star::uno::Reference<
		::com::sun::star::linguistic2::XSpellChecker1 > 	xSpell;
	LanguageType		nOldLang;

    DECL_LINK( ChangeHdl, Button * );
    DECL_LINK( ChangeAllHdl, Button * );
    DECL_LINK( IgnoreAllHdl, Button * );
    DECL_LINK( IgnoreHdl, Button * );
    DECL_LINK( CheckGrammarHdl, CheckBox* );
	DECL_LINK( ExtClickHdl, Button * );
	DECL_LINK( CancelHdl, Button * );
    DECL_LINK( ModifyHdl, SentenceEditWindow_Impl *);
    DECL_LINK( UndoHdl, Button * );
    DECL_LINK( AddToDictionaryHdl, MenuButton* );
    DECL_LINK( LanguageSelectHdl, SvxLanguageBox* );
    DECL_LINK( DialogUndoHdl, SpellUndoAction_Impl* );

    DECL_STATIC_LINK( SpellDialog, InitHdl, SpellDialog * );
    
	void            StartSpellOptDlg_Impl();
	void            InitUserDicts();
	void            UpdateBoxes_Impl();
	void            Init_Impl();
    void            SpellContinue_Impl(bool UseSavedSentence = false, bool bIgnoreCurrentError = false );
    void            LockFocusChanges( bool bLock ) {bFocusLocked = bLock;}
    void            Impl_Restore();

	void			SetSelectedLang_Impl( LanguageType nLang );
	LanguageType	GetSelectedLang_Impl() const;

    /** Retrieves the next sentence.
     */
    bool            GetNextSentence_Impl(bool bUseSavedSentence, bool bRechek /*for rechecking the curretn sentence*/);
    /** Corrects all errors that have been selected to be changed always 
     */
    bool            ApplyChangeAllList_Impl(SpellPortions& rSentence, bool& bHasReplaced);
    void            SetTitle_Impl(LanguageType nLang); 

protected:     
    virtual void    Paint( const Rectangle& rRect );
    virtual long    Notify( NotifyEvent& rNEvt );

public:
    SpellDialog( 
        svx::SpellDialogChildWindow* pChildWindow,
        Window * pParent,
        SfxBindings* pBindings);
    ~SpellDialog();

	void			SetLanguage( sal_uInt16 nLang );
	virtual sal_Bool	Close();

    void            InvalidateDialog();
};
} //namespace svx

#endif