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wxWindows-2.4.0
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valtext.cpp
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C/C++ Source or Header
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2002-05-07
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9KB
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337 lines
/////////////////////////////////////////////////////////////////////////////
// Name: valtext.cpp
// Purpose: wxTextValidator
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id: valtext.cpp,v 1.27 2002/05/07 21:58:25 GD Exp $
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "valtext.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_VALIDATORS
#ifndef WX_PRECOMP
#include <stdio.h>
#include "wx/textctrl.h"
#include "wx/utils.h"
#include "wx/msgdlg.h"
#include "wx/intl.h"
#endif
#include "wx/valtext.h"
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#ifdef __SALFORDC__
#include <clib.h>
#endif
IMPLEMENT_DYNAMIC_CLASS(wxTextValidator, wxValidator)
BEGIN_EVENT_TABLE(wxTextValidator, wxValidator)
EVT_CHAR(wxTextValidator::OnChar)
END_EVENT_TABLE()
static bool wxIsNumeric(const wxString& val);
wxTextValidator::wxTextValidator(long style, wxString *val)
{
m_validatorStyle = style ;
m_stringValue = val ;
/*
m_refData = new wxVTextRefData;
M_VTEXTDATA->m_validatorStyle = style ;
M_VTEXTDATA->m_stringValue = val ;
*/
}
wxTextValidator::wxTextValidator(const wxTextValidator& val)
: wxValidator()
{
Copy(val);
}
bool wxTextValidator::Copy(const wxTextValidator& val)
{
wxValidator::Copy(val);
m_validatorStyle = val.m_validatorStyle ;
m_stringValue = val.m_stringValue ;
wxNode *node = val.m_includeList.First() ;
while ( node )
{
wxChar *s = (wxChar *)node->Data();
m_includeList.Add(s);
node = node->Next();
}
node = val.m_excludeList.First() ;
while ( node )
{
wxChar *s = (wxChar *)node->Data();
m_excludeList.Add(s);
node = node->Next();
}
return TRUE;
}
wxTextValidator::~wxTextValidator()
{
}
static bool wxIsAlpha(const wxString& val)
{
int i;
for ( i = 0; i < (int)val.Length(); i++)
{
if (!wxIsalpha(val[i]))
return FALSE;
}
return TRUE;
}
static bool wxIsAlphaNumeric(const wxString& val)
{
int i;
for ( i = 0; i < (int)val.Length(); i++)
{
if (!wxIsalnum(val[i]))
return FALSE;
}
return TRUE;
}
// Called when the value in the window must be validated.
// This function can pop up an error message.
bool wxTextValidator::Validate(wxWindow *parent)
{
if( !CheckValidator() )
return FALSE;
wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ;
// If window is disabled, simply return
if ( !control->IsEnabled() )
return TRUE;
wxString val(control->GetValue());
bool ok = TRUE;
// NB: this format string should contian exactly one '%s'
wxString errormsg;
bool includeList = (m_validatorStyle & wxFILTER_INCLUDE_LIST) != 0;
if ( includeList || (m_validatorStyle & wxFILTER_EXCLUDE_LIST) )
{
// if includeList, it's only ok to have the members of the list,
// otherwise it's only ok to have non-members
ok = includeList == m_includeList.Member(val);
if ( !ok )
{
errormsg = _("'%s' is invalid");
}
}
else if ( (m_validatorStyle & wxFILTER_ASCII) && !val.IsAscii() )
{
ok = FALSE;
errormsg = _("'%s' should only contain ASCII characters.");
}
else if ( (m_validatorStyle & wxFILTER_ALPHA) && !wxIsAlpha(val) )
{
ok = FALSE;
errormsg = _("'%s' should only contain alphabetic characters.");
}
else if ( (m_validatorStyle & wxFILTER_ALPHANUMERIC) && !wxIsAlphaNumeric(val))
{
ok = FALSE;
errormsg = _("'%s' should only contain alphabetic or numeric characters.");
}
else if ( (m_validatorStyle & wxFILTER_NUMERIC) && !wxIsNumeric(val))
{
ok = FALSE;
errormsg = _("'%s' should be numeric.");
}
else if ( (m_validatorStyle & wxFILTER_INCLUDE_CHAR_LIST) && !IsInCharIncludeList(val))
{
//it's only ok to have the members of the list
errormsg = _("'%s' is invalid");
ok = FALSE;
}
else if ( (m_validatorStyle & wxFILTER_EXCLUDE_CHAR_LIST) && !IsNotInCharExcludeList(val))
{
// it's only ok to have non-members of the list
errormsg = _("'%s' is invalid");
ok = FALSE;
}
if ( !ok )
{
wxASSERT_MSG( !errormsg.empty(), _T("you forgot to set errormsg") );
m_validatorWindow->SetFocus();
wxString buf;
buf.Printf(errormsg, val.c_str());
wxMessageBox(buf, _("Validation conflict"),
wxOK | wxICON_EXCLAMATION, parent);
}
return ok;
}
// Called to transfer data to the window
bool wxTextValidator::TransferToWindow(void)
{
if( !CheckValidator() )
return FALSE;
wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ;
control->SetValue(* m_stringValue) ;
return TRUE;
}
// Called to transfer data to the window
bool wxTextValidator::TransferFromWindow(void)
{
if( !CheckValidator() )
return FALSE;
wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ;
* m_stringValue = control->GetValue() ;
return TRUE;
}
void wxTextValidator::SetIncludeList(const wxStringList& list)
{
/*
if ( !M_VTEXTDATA )
return;
*/
m_includeList.Clear();
// TODO: replace with =
wxNode *node = list.First() ;
while ( node )
{
wxChar *s = (wxChar *)node->Data();
m_includeList.Add(s);
node = node->Next();
}
}
void wxTextValidator::SetExcludeList(const wxStringList& list)
{
/*
if ( !M_VTEXTDATA )
return;
*/
m_excludeList.Clear();
// TODO: replace with =
wxNode *node = list.First() ;
while ( node )
{
wxChar *s = (wxChar *)node->Data();
m_excludeList.Add(s);
node = node->Next();
}
}
void wxTextValidator::OnChar(wxKeyEvent& event)
{
/*
if ( !M_VTEXTDATA )
return;
*/
if ( m_validatorWindow )
{
int keyCode = (int)event.KeyCode();
// we don't filter special keys and Delete
if (
!(keyCode < WXK_SPACE || keyCode == WXK_DELETE || keyCode > WXK_START) &&
(
((m_validatorStyle & wxFILTER_INCLUDE_CHAR_LIST) && !IsInCharIncludeList(wxString((char) keyCode, 1))) ||
((m_validatorStyle & wxFILTER_EXCLUDE_CHAR_LIST) && !IsNotInCharExcludeList(wxString((char) keyCode, 1))) ||
((m_validatorStyle & wxFILTER_ASCII) && !isascii(keyCode)) ||
((m_validatorStyle & wxFILTER_ALPHA) && !wxIsalpha(keyCode)) ||
((m_validatorStyle & wxFILTER_ALPHANUMERIC) && !wxIsalnum(keyCode)) ||
((m_validatorStyle & wxFILTER_NUMERIC) && !wxIsdigit(keyCode)
&& keyCode != '.' && keyCode != ',' && keyCode != '-')
)
)
{
if ( !wxValidator::IsSilent() )
wxBell();
// eat message
return;
}
}
event.Skip();
}
static bool wxIsNumeric(const wxString& val)
{
int i;
for ( i = 0; i < (int)val.Length(); i++)
{
// Allow for "," (French) as well as "." -- in future we should
// use wxSystemSettings or other to do better localisation
if ((!isdigit(val[i])) && (val[i] != '.') && (val[i] != ','))
if(!((i == 0) && (val[i] == '-')))
return FALSE;
}
return TRUE;
}
bool wxTextValidator::IsInCharIncludeList(const wxString& val)
{
size_t i;
for ( i = 0; i < val.Length(); i++)
{
if (!m_includeList.Member((wxString) val[i]))
return FALSE;
}
return TRUE;
}
bool wxTextValidator::IsNotInCharExcludeList(const wxString& val)
{
size_t i;
for ( i = 0; i < val.Length(); i++)
{
if (m_excludeList.Member((wxString) val[i]))
return FALSE;
}
return TRUE;
}
#endif
// wxUSE_VALIDATORS