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 #ifdef __SALFORDC__
  38 #include <clib.h>
  39 #endif
  40
  41 #if !USE_SHARED_LIBRARY
  42 IMPLEMENT_DYNAMIC_CLASS(wxTextValidator, wxValidator)
  43
  44 BEGIN_EVENT_TABLE(wxTextValidator, wxValidator)
  45         EVT_CHAR(wxTextValidator::OnChar)
  46 END_EVENT_TABLE()
  47 #endif
  48
  49 static bool wxIsNumeric(const wxString& val);
  50
  51 wxTextValidator::wxTextValidator(long style, wxString *val)
  52 {
  53         m_validatorStyle = style ;
  54         m_stringValue = val ;
  55 /*
  56     m_refData = new wxVTextRefData;
  57
  58         M_VTEXTDATA->m_validatorStyle = style ;
  59         M_VTEXTDATA->m_stringValue = val ;
  60 */
  61 }
  62
  63 wxTextValidator::wxTextValidator(const wxTextValidator& val)
  64 {
  65     Copy(val);
  66 }
  67
  68 bool wxTextValidator::Copy(const wxTextValidator& val)
  69 {
  70     wxValidator::Copy(val);
  71
  72         m_validatorStyle = val.m_validatorStyle ;
  73         m_stringValue = val.m_stringValue ;
  74
  75         wxNode *node = val.m_includeList.First() ;
  76         while ( node )
  77         {
  78                 char *s = (char *)node->Data();
  79                 m_includeList.Add(s);
  80                 node = node->Next();
  81         }
  82         node = val.m_excludeList.First() ;
  83         while ( node )
  84         {
  85                 char *s = (char *)node->Data();
  86                 m_excludeList.Add(s);
  87                 node = node->Next();
  88         }
  89     return TRUE;
  90 }
  91
  92 wxTextValidator::~wxTextValidator()
  93 {
  94 }
  95
  96 static bool wxIsAlpha(const wxString& val)
  97 {
  98         int i;
  99         for ( i = 0; i < (int)val.Length(); i++)
 100         {
 101                 if (!isalpha(val[i]))
 102                         return FALSE;
 103         }
 104         return TRUE;
 105 }
 106
 107 static bool wxIsAlphaNumeric(const wxString& val)
 108 {
 109         int i;
 110         for ( i = 0; i < (int)val.Length(); i++)
 111         {
 112                 if (!isalnum(val[i]))
 113                         return FALSE;
 114         }
 115         return TRUE;
 116 }
 117
 118 // Called when the value in the window must be validated.
 119 // This function can pop up an error message.
 120 bool wxTextValidator::Validate(wxWindow *parent)
 121 {
 122         if ( !m_validatorWindow )
 123                 return FALSE;
 124         if ( !m_validatorWindow->IsKindOf(CLASSINFO(wxTextCtrl)) )
 125                 return FALSE;
 126         if ( !m_stringValue )
 127                 return FALSE;
 128
 129         wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ;
 130
 131         // If window is disabled, don't validate
 132         if ( !control->Enabled() )
 133                 return FALSE;
 134
 135         wxString val(control->GetValue());
 136
 137         if ( m_validatorStyle & wxFILTER_INCLUDE_LIST )
 138         {
 139                 if ( !m_includeList.Member(val) )
 140                 {
 141             m_validatorWindow->SetFocus();
 142                         char buf[512];
 143                         sprintf(buf, _("%s is invalid."), (const char *)val);
 144                         wxMessageBox(buf, _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 145                         return FALSE;
 146                 }
 147         }
 148         if ( m_validatorStyle & wxFILTER_EXCLUDE_LIST )
 149         {
 150                 if ( m_excludeList.Member(val) )
 151                 {
 152             m_validatorWindow->SetFocus();
 153                         char buf[512];
 154                         sprintf(buf, _("%s is invalid."), (const char *)val);
 155                         wxMessageBox(buf, _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 156                         return FALSE;
 157                 }
 158         }
 159         if ( (m_validatorStyle & wxFILTER_ASCII) && !val.IsAscii() )
 160         {
 161             m_validatorWindow->SetFocus();
 162                         char buf[512];
 163                         sprintf(buf, _("%s should only contain ASCII characters."), (const char *)val);
 164                         wxMessageBox(buf, _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 165                         return FALSE;
 166         }
 167         if ( (m_validatorStyle & wxFILTER_ALPHA) && !wxIsAlpha(val) )
 168         {
 169             m_validatorWindow->SetFocus();
 170                         char buf[512];
 171                         sprintf(buf, _("%s should only contain alphabetic characters."), (const char *)val);
 172                         wxMessageBox(buf, _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 173                         return FALSE;
 174         }
 175         if ( (m_validatorStyle & wxFILTER_ALPHANUMERIC) && !wxIsAlphaNumeric(val))
 176         {
 177             m_validatorWindow->SetFocus();
 178                         char buf[512];
 179                         sprintf(buf, _("%s should only contain alphabetic or numeric characters."), (const char *)val);
 180                         wxMessageBox(buf,_("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 181                         return FALSE;
 182         }
 183         if ( (m_validatorStyle & wxFILTER_NUMERIC) && !wxIsNumeric(val))
 184
 185         {
 186             m_validatorWindow->SetFocus();
 187                         char buf[512];
 188                         sprintf(buf, _("%s should be numeric."), (const char *)val);
 189                         wxMessageBox(buf, _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
 190                         return FALSE;
 191         }
 192
 193         return TRUE ;
 194 }
 195
 196 // Called to transfer data to the window
 197 bool wxTextValidator::TransferToWindow(void)
 198 {
 199         if ( !m_validatorWindow )
 200                 return FALSE;
 201         if ( !m_validatorWindow->IsKindOf(CLASSINFO(wxTextCtrl)) )
 202                 return FALSE;
 203         if ( !m_stringValue )
 204                 return FALSE;
 205
 206         wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ;
 207         control->SetValue(* m_stringValue) ;
 208
 209         return TRUE;
 210 }
 211
 212 // Called to transfer data to the window
 213 bool wxTextValidator::TransferFromWindow(void)
 214 {
 215         if ( !m_validatorWindow )
 216                 return FALSE;
 217         if ( !m_validatorWindow->IsKindOf(CLASSINFO(wxTextCtrl)) )
 218                 return FALSE;
 219         if ( !m_stringValue )
 220                 return FALSE;
 221
 222         wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ;
 223         * m_stringValue = control->GetValue() ;
 224
 225         return TRUE;
 226 }
 227
 228 void wxTextValidator::SetIncludeList(const wxStringList& list)
 229 {
 230 /*
 231         if ( !M_VTEXTDATA )
 232                 return;
 233 */
 234
 235         m_includeList.Clear();
 236         // TODO: replace with =
 237         wxNode *node = list.First() ;
 238         while ( node )
 239         {
 240                 char *s = (char *)node->Data();
 241                 m_includeList.Add(s);
 242                 node = node->Next();
 243         }
 244 }
 245
 246 void wxTextValidator::SetExcludeList(const wxStringList& list)
 247 {
 248 /*
 249         if ( !M_VTEXTDATA )
 250                 return;
 251 */
 252
 253         m_excludeList.Clear();
 254         // TODO: replace with =
 255         wxNode *node = list.First() ;
 256         while ( node )
 257         {
 258                 char *s = (char *)node->Data();
 259                 m_excludeList.Add(s);
 260                 node = node->Next();
 261         }
 262 }
 263
 264 void wxTextValidator::OnChar(wxKeyEvent& event)
 265 {
 266 /*
 267         if ( !M_VTEXTDATA )
 268                 return;
 269 */
 270
 271         if ( !m_validatorWindow )
 272                 return;
 273
 274         wxTextCtrl *textCtrl = (wxTextCtrl *)m_validatorWindow;
 275
 276         int keyCode = event.KeyCode();
 277         if (keyCode == WXK_DELETE || keyCode == WXK_RETURN || keyCode == WXK_BACK ||
 278             keyCode == WXK_HOME || keyCode == WXK_LEFT || keyCode == WXK_UP ||
 279             keyCode == WXK_RIGHT || keyCode == WXK_DOWN || keyCode == WXK_PRIOR ||
 280             keyCode == WXK_NEXT || keyCode == WXK_END || keyCode == WXK_HOME)
 281         {
 282                 textCtrl->wxTextCtrl::OnChar(event);
 283                 return ;
 284         }
 285
 286         if ( (m_validatorStyle & wxFILTER_ASCII) && !isascii(keyCode) )
 287         {
 288                 wxBell();
 289                 return;
 290         }
 291         if ( (m_validatorStyle & wxFILTER_ALPHA) && !isalpha(keyCode) )
 292         {
 293                 wxBell();
 294                 return;
 295         }
 296         if ( (m_validatorStyle & wxFILTER_ALPHANUMERIC) && !isalnum(keyCode) )
 297         {
 298                 wxBell();
 299                 return;
 300         }
 301         if ( (m_validatorStyle & wxFILTER_NUMERIC) && !isdigit(keyCode) && keyCode != '.' && keyCode != '-')
 302         {
 303                 wxBell();
 304                 return;
 305         }
 306
 307         textCtrl->wxTextCtrl::OnChar(event);
 308 }
 309
 310 static bool wxIsNumeric(const wxString& val)
 311 {
 312         int i;
 313         for ( i = 0; i < (int)val.Length(); i++)
 314         {
 315                 if ((!isdigit(val[i])) && (val[i] != '.'))
 316                   if(!((i == 0) && (val[i] == '-')))
 317                         return FALSE;
 318         }
 319         return TRUE;
 320 }
 321