src/common/valtext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        valtext.cpp
   3 // Purpose:     wxTextValidator
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "valtext.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include <stdio.h>
  25 #include "wx/textctrl.h"
  26 #include "wx/utils.h"
  27 #include "wx/msgdlg.h"
  28 #include "wx/intl.h"
  29 #endif
  30
  31 #include "wx/valtext.h"
  32
  33 #include <ctype.h>
  34 #include <string.h>
  35 #include <stdlib.h>
  36
  37 #if !USE_SHARED_LIBRARY
  38 IMPLEMENT_DYNAMIC_CLASS(wxTextValidator, wxValidator)
  39
  40 BEGIN_EVENT_TABLE(wxTextValidator, wxValidator)
  41         EVT_CHAR(wxTextValidator::OnChar)
  42 END_EVENT_TABLE()
  43 #endif
  44
  45 static bool wxIsNumeric(const wxString& val);
  46
  47 wxTextValidator::wxTextValidator(long style, wxString *val)
  48 {
  49         m_validatorStyle = style ;
  50         m_stringValue = val ;
  51 /*
  52     m_refData = new wxVTextRefData;
  53
  54         M_VTEXTDATA->m_validatorStyle = style ;
  55         M_VTEXTDATA->m_stringValue = val ;
  56 */
  57 }
  58
  59 wxTextValidator::wxTextValidator(const wxTextValidator& val)
  60 {
  61     Copy(val);
  62 }
  63
  64 bool wxTextValidator::Copy(const wxTextValidator& val)
  65 {
  66     wxValidator::Copy(val);
  67
  68         m_validatorStyle = val.m_validatorStyle ;
  69         m_stringValue = val.m_stringValue ;
  70
  71         wxNode *node = val.m_includeList.First() ;
  72         while ( node )
  73         {
  74                 char *s = (char *)node->Data();
  75                 m_includeList.Add(s);
  76                 node = node->Next();
  77         }
  78         node = val.m_excludeList.First() ;
  79         while ( node )
  80         {
  81                 char *s = (char *)node->Data();
  82                 m_excludeList.Add(s);
  83                 node = node->Next();
  84         }
  85     return TRUE;
  86 }
  87
  88 wxTextValidator::~wxTextValidator()
  89 {
  90 }
  91
  92 static bool wxIsAlpha(const wxString& val)
  93 {
  94         int i;
  95         for ( i = 0; i < (int)val.Length(); i++)
  96         {
  97                 if (!isalpha(val[i]))
  98                         return FALSE;
  99         }
 100         return TRUE;
 101 }
 102
 103 static bool wxIsAlphaNumeric(const wxString& val)
 104 {
 105         int i;
 106         for ( i = 0; i < (int)val.Length(); i++)
 107         {
 108                 if (!isalnum(val[i]))
 109                         return FALSE;
 110         }
 111         return TRUE;
 112 }
 113
 114 // Called when the value in the window must be validated.
 115 // This function can pop up an error message.
 116 bool wxTextValidator::Validate(wxWindow *parent)
 117 {
 118         if ( !m_validatorWindow )
 119                 return FALSE;
 120         if ( !m_validatorWindow->IsKindOf(CLASSINFO(wxTextCtrl)) )
 121                 return FALSE;
 122         if ( !m_stringValue )
 123                 return FALSE;
 124
 125         wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ;
 126
 127         // If window is disabled, don't validate
 128         if ( !control->Enabled() )
 129                 return FALSE;
 130
 131         wxString val(control->GetValue());
 132
 133         if ( m_validatorStyle & wxFILTER_INCLUDE_LIST )
 134         {
 135                 if ( !m_includeList.Member(val) )
 136                 {
 137             m_validatorWindow->SetFocus();
 138                         char buf[512];
 139                         sprintf(buf, _("%s is invalid."), (const char *)val);
 140                         wxMessageBox(buf, _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 141                         return FALSE;
 142                 }
 143         }
 144         if ( m_validatorStyle & wxFILTER_EXCLUDE_LIST )
 145         {
 146                 if ( m_excludeList.Member(val) )
 147                 {
 148             m_validatorWindow->SetFocus();
 149                         char buf[512];
 150                         sprintf(buf, _("%s is invalid."), (const char *)val);
 151                         wxMessageBox(buf, _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 152                         return FALSE;
 153                 }
 154         }
 155         if ( (m_validatorStyle & wxFILTER_ASCII) && !val.IsAscii() )
 156         {
 157             m_validatorWindow->SetFocus();
 158                         char buf[512];
 159                         sprintf(buf, _("%s should only contain ASCII characters."), (const char *)val);
 160                         wxMessageBox(buf, _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 161                         return FALSE;
 162         }
 163         if ( (m_validatorStyle & wxFILTER_ALPHA) && !wxIsAlpha(val) )
 164         {
 165             m_validatorWindow->SetFocus();
 166                         char buf[512];
 167                         sprintf(buf, _("%s should only contain alphabetic characters."), (const char *)val);
 168                         wxMessageBox(buf, _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 169                         return FALSE;
 170         }
 171         if ( (m_validatorStyle & wxFILTER_ALPHANUMERIC) && !wxIsAlphaNumeric(val))
 172         {
 173             m_validatorWindow->SetFocus();
 174                         char buf[512];
 175                         sprintf(buf, _("%s should only contain alphabetic or numeric characters."), (const char *)val);
 176                         wxMessageBox(buf,_("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 177                         return FALSE;
 178         }
 179         if ( (m_validatorStyle & wxFILTER_NUMERIC) && !wxIsNumeric(val))
 180
 181         {
 182             m_validatorWindow->SetFocus();
 183                         char buf[512];
 184                         sprintf(buf, _("%s should be numeric."), (const char *)val);
 185                         wxMessageBox(buf, _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 186                         return FALSE;
 187         }
 188
 189         return TRUE ;
 190 }
 191
 192 // Called to transfer data to the window
 193 bool wxTextValidator::TransferToWindow(void)
 194 {
 195         if ( !m_validatorWindow )
 196                 return FALSE;
 197         if ( !m_validatorWindow->IsKindOf(CLASSINFO(wxTextCtrl)) )
 198                 return FALSE;
 199         if ( !m_stringValue )
 200                 return FALSE;
 201
 202         wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ;
 203         control->SetValue(* m_stringValue) ;
 204
 205         return TRUE;
 206 }
 207
 208 // Called to transfer data to the window
 209 bool wxTextValidator::TransferFromWindow(void)
 210 {
 211         if ( !m_validatorWindow )
 212                 return FALSE;
 213         if ( !m_validatorWindow->IsKindOf(CLASSINFO(wxTextCtrl)) )
 214                 return FALSE;
 215         if ( !m_stringValue )
 216                 return FALSE;
 217
 218         wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ;
 219         * m_stringValue = control->GetValue() ;
 220
 221         return TRUE;
 222 }
 223
 224 void wxTextValidator::SetIncludeList(const wxStringList& list)
 225 {
 226 /*
 227         if ( !M_VTEXTDATA )
 228                 return;
 229 */
 230
 231         m_includeList.Clear();
 232         // TODO: replace with =
 233         wxNode *node = list.First() ;
 234         while ( node )
 235         {
 236                 char *s = (char *)node->Data();
 237                 m_includeList.Add(s);
 238                 node = node->Next();
 239         }
 240 }
 241
 242 void wxTextValidator::SetExcludeList(const wxStringList& list)
 243 {
 244 /*
 245         if ( !M_VTEXTDATA )
 246                 return;
 247 */
 248
 249         m_excludeList.Clear();
 250         // TODO: replace with =
 251         wxNode *node = list.First() ;
 252         while ( node )
 253         {
 254                 char *s = (char *)node->Data();
 255                 m_excludeList.Add(s);
 256                 node = node->Next();
 257         }
 258 }
 259
 260 void wxTextValidator::OnChar(wxKeyEvent& event)
 261 {
 262 /*
 263         if ( !M_VTEXTDATA )
 264                 return;
 265 */
 266
 267         if ( !m_validatorWindow )
 268                 return;
 269
 270         wxTextCtrl *textCtrl = (wxTextCtrl *)m_validatorWindow;
 271
 272         int keyCode = event.KeyCode();
 273         if (keyCode == WXK_DELETE || keyCode == WXK_RETURN || keyCode == WXK_BACK ||
 274             keyCode == WXK_HOME || keyCode == WXK_LEFT || keyCode == WXK_UP ||
 275             keyCode == WXK_RIGHT || keyCode == WXK_DOWN || keyCode == WXK_PRIOR ||
 276             keyCode == WXK_NEXT || keyCode == WXK_END || keyCode == WXK_HOME)
 277         {
 278                 textCtrl->wxTextCtrl::OnChar(event);
 279                 return ;
 280         }
 281
 282         if ( (m_validatorStyle & wxFILTER_ASCII) && !isascii(keyCode) )
 283         {
 284                 wxBell();
 285                 return;
 286         }
 287         if ( (m_validatorStyle & wxFILTER_ALPHA) && !isalpha(keyCode) )
 288         {
 289                 wxBell();
 290                 return;
 291         }
 292         if ( (m_validatorStyle & wxFILTER_ALPHANUMERIC) && !isalnum(keyCode) )
 293         {
 294                 wxBell();
 295                 return;
 296         }
 297         if ( (m_validatorStyle & wxFILTER_NUMERIC) && !isdigit(keyCode) && keyCode != '.' && keyCode != '-')
 298         {
 299                 wxBell();
 300                 return;
 301         }
 302
 303         textCtrl->wxTextCtrl::OnChar(event);
 304 }
 305
 306 static bool wxIsNumeric(const wxString& val)
 307 {
 308         int i;
 309         for ( i = 0; i < (int)val.Length(); i++)
 310         {
 311                 if ((!isdigit(val[i])) && (val[i] != '.'))
 312                   if(!((i == 0) && (val[i] == '-')))
 313                         return FALSE;
 314         }
 315         return TRUE;
 316 }
 317