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valtext.h

/////////////////////////////////////////////////////////////////////////////
// Name:        valtext.h
// Purpose:     wxTextValidator class
// Author:      Julian Smart
// Modified by:
// Created:     29/01/98
// RCS-ID:      $Id: valtext.h,v 1.11.2.1 2005/06/20 17:36:35 MR Exp $
// Copyright:   (c) 1998 Julian Smart
// Licence:       wxWindows license
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_VALTEXTH__
#define _WX_VALTEXTH__

#include "wx/defs.h"

#if wxUSE_VALIDATORS

#include "wx/textctrl.h"
#include "wx/validate.h"

#define wxFILTER_NONE           0x0000
#define wxFILTER_ASCII          0x0001
#define wxFILTER_ALPHA          0x0002
#define wxFILTER_ALPHANUMERIC   0x0004
#define wxFILTER_NUMERIC        0x0008
#define wxFILTER_INCLUDE_LIST   0x0010
#define wxFILTER_EXCLUDE_LIST   0x0020
#define wxFILTER_INCLUDE_CHAR_LIST 0x0040
#define wxFILTER_EXCLUDE_CHAR_LIST 0x0080

class WXDLLEXPORT wxTextValidator: public wxValidator
{
DECLARE_DYNAMIC_CLASS(wxTextValidator)
public:

    wxTextValidator(long style = wxFILTER_NONE, wxString *val = 0);
    wxTextValidator(const wxTextValidator& val);

    ~wxTextValidator();

    // Make a clone of this validator (or return NULL) - currently necessary
    // if you're passing a reference to a validator.
    // Another possibility is to always pass a pointer to a new validator
    // (so the calling code can use a copy constructor of the relevant class).
    virtual wxObject *Clone() const { return new wxTextValidator(*this); }
    bool Copy(const wxTextValidator& val);

    // Called when the value in the window must be validated.
    // This function can pop up an error message.
    virtual bool Validate(wxWindow *parent);

    // Called to transfer data to the window
    virtual bool TransferToWindow();

    // Called to transfer data to the window
    virtual bool TransferFromWindow();

    // ACCESSORS
    inline long GetStyle() const { return m_validatorStyle; }
    inline void SetStyle(long style) { m_validatorStyle = style; }

    void SetIncludeList(const wxStringList& list);
    inline wxStringList& GetIncludeList() { return m_includeList; }

    void SetExcludeList(const wxStringList& list);
    inline wxStringList& GetExcludeList() { return m_excludeList; }

    // Filter keystrokes
    void OnChar(wxKeyEvent& event);

    bool IsInCharIncludeList(const wxString& val);
    bool IsNotInCharExcludeList(const wxString& val);

DECLARE_EVENT_TABLE()

protected:
    long            m_validatorStyle;
    wxString *      m_stringValue;
    wxStringList    m_includeList;
    wxStringList    m_excludeList;

    bool CheckValidator() const
    {
        wxCHECK_MSG( m_validatorWindow, FALSE,
                     _T("No window associated with validator") );
        wxCHECK_MSG( m_validatorWindow->IsKindOf(CLASSINFO(wxTextCtrl)), FALSE,
                     _T("wxTextValidator is only for wxTextCtrl's") );
        wxCHECK_MSG( m_stringValue, FALSE,
                     _T("No variable storage for validator") );

        return TRUE;
    }
};

#endif
  // wxUSE_VALIDATORS

#endif
  // _WX_VALTEXTH__

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