/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013 Wayne Stambaugh <stambaughw@verizon.net>
 * Copyright (C) 2004-2013 KiCad Developers, see change_log.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

/**
 * @file validators.cpp
 * @brief Custom text control validator implementations.
 */

#include <kicad_string.h>
#include <validators.h>


FILE_NAME_CHAR_VALIDATOR::FILE_NAME_CHAR_VALIDATOR( wxString* aValue ) :
    wxTextValidator( wxFILTER_EXCLUDE_CHAR_LIST, aValue )
{
    // The Windows (DOS) file system forbidden characters already include the forbidden
    // file name characters for both Posix and OSX systems.  The characters \/:*?|"<> are
    // illegal and filtered by the validator.
    wxString illegalChars = wxFileName::GetForbiddenChars( wxPATH_DOS );
    wxTextValidator nameValidator( wxFILTER_EXCLUDE_CHAR_LIST );
    wxArrayString illegalCharList;

    for( unsigned i = 0;  i < illegalChars.size();  i++ )
        illegalCharList.Add( wxString( illegalChars[i] ) );

    SetExcludes( illegalCharList );
 }


FILE_NAME_WITH_PATH_CHAR_VALIDATOR::FILE_NAME_WITH_PATH_CHAR_VALIDATOR( wxString* aValue ) :
    wxTextValidator( wxFILTER_EXCLUDE_CHAR_LIST, aValue )
{
    // The Windows (DOS) file system forbidden characters already include the forbidden
    // file name characters for both Posix and OSX systems.  The characters *?|"<> are
    // illegal and filtered by the validator, but /\: are valid (\ and : only on Windows.
    wxString illegalChars = wxFileName::GetForbiddenChars(wxPATH_DOS );
    wxTextValidator nameValidator( wxFILTER_EXCLUDE_CHAR_LIST );
    wxArrayString illegalCharList;

    for( unsigned i = 0;  i < illegalChars.size();  i++ )
    {
        if( illegalChars[i] == '/' )
            continue;

#if defined (__WINDOWS__)
        if( illegalChars[i] == '\\' || illegalChars[i] == ':' )
            continue;
#endif
        illegalCharList.Add( wxString( illegalChars[i] ) );
    }

    SetExcludes( illegalCharList );
}


ENVIRONMENT_VARIABLE_CHAR_VALIDATOR::ENVIRONMENT_VARIABLE_CHAR_VALIDATOR( wxString* aValue ) :
    wxTextValidator( wxFILTER_INCLUDE_CHAR_LIST, aValue )
{
    wxString includeChars( wxT( "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_" ) );
    SetCharIncludes( includeChars );
}


void ENVIRONMENT_VARIABLE_CHAR_VALIDATOR::OnChar( wxKeyEvent& aEvent )
{
    wxTextValidator::OnChar( aEvent );

    // Special key or error in valid character check already occurred.
    if( aEvent.GetSkipped() )
        return;

    // Check if first character is valid.  Cannot be number.
    int keyCode = aEvent.GetKeyCode();

    wxString str( (wxUniChar)keyCode, 1 );
    wxString numbers( wxT( "0123456789" ) );

    if( (m_stringValue->IsEmpty() && numbers.Contains( str ))
      || (!m_stringValue->IsEmpty() && numbers.Contains( m_stringValue[0])) )
    {
        if( !wxValidator::IsSilent() )
            wxBell();

        // eat message
        return;
    }
    else
    {
        aEvent.Skip();
    }
}