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