| 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 | #if wxUSE_VALIDATORS |
| 24 | |
| 25 | #ifndef WX_PRECOMP |
| 26 | #include <stdio.h> |
| 27 | #include "wx/textctrl.h" |
| 28 | #include "wx/utils.h" |
| 29 | #include "wx/msgdlg.h" |
| 30 | #include "wx/intl.h" |
| 31 | #endif |
| 32 | |
| 33 | #include "wx/valtext.h" |
| 34 | |
| 35 | #include <ctype.h> |
| 36 | #include <string.h> |
| 37 | #include <stdlib.h> |
| 38 | |
| 39 | #ifdef __SALFORDC__ |
| 40 | #include <clib.h> |
| 41 | #endif |
| 42 | |
| 43 | IMPLEMENT_DYNAMIC_CLASS(wxTextValidator, wxValidator) |
| 44 | |
| 45 | BEGIN_EVENT_TABLE(wxTextValidator, wxValidator) |
| 46 | EVT_CHAR(wxTextValidator::OnChar) |
| 47 | END_EVENT_TABLE() |
| 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 | wxChar *s = (wxChar *)node->Data(); |
| 79 | m_includeList.Add(s); |
| 80 | node = node->Next(); |
| 81 | } |
| 82 | node = val.m_excludeList.First() ; |
| 83 | while ( node ) |
| 84 | { |
| 85 | wxChar *s = (wxChar *)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 (!wxIsalpha(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 (!wxIsalnum(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, simply return |
| 132 | if ( !control->IsEnabled() ) |
| 133 | return TRUE; |
| 134 | |
| 135 | wxString val(control->GetValue()); |
| 136 | |
| 137 | bool ok = TRUE; |
| 138 | |
| 139 | // this format string should contian exactly one '%s' |
| 140 | const wxChar *errormsg = _("'%s' is invalid"); |
| 141 | |
| 142 | if ( m_validatorStyle & wxFILTER_INCLUDE_LIST ) |
| 143 | { |
| 144 | if ( !m_includeList.Member(val) ) |
| 145 | { |
| 146 | ok = FALSE; |
| 147 | } |
| 148 | } |
| 149 | else if ( m_validatorStyle & wxFILTER_EXCLUDE_LIST ) |
| 150 | { |
| 151 | if ( m_excludeList.Member(val) ) |
| 152 | { |
| 153 | ok = FALSE; |
| 154 | } |
| 155 | } |
| 156 | else if ( (m_validatorStyle & wxFILTER_ASCII) && !val.IsAscii() ) |
| 157 | { |
| 158 | ok = FALSE; |
| 159 | |
| 160 | errormsg = _("'%s' should only contain ASCII characters."); |
| 161 | } |
| 162 | else if ( (m_validatorStyle & wxFILTER_ALPHA) && !wxIsAlpha(val) ) |
| 163 | { |
| 164 | ok = FALSE; |
| 165 | |
| 166 | errormsg = _("'%s' should only contain alphabetic characters."); |
| 167 | } |
| 168 | else if ( (m_validatorStyle & wxFILTER_ALPHANUMERIC) && !wxIsAlphaNumeric(val)) |
| 169 | { |
| 170 | ok = FALSE; |
| 171 | |
| 172 | errormsg = _("'%s' should only contain alphabetic or numeric characters."); |
| 173 | } |
| 174 | else if ( (m_validatorStyle & wxFILTER_NUMERIC) && !wxIsNumeric(val)) |
| 175 | { |
| 176 | ok = FALSE; |
| 177 | |
| 178 | errormsg = _("'%s' should be numeric."); |
| 179 | } |
| 180 | |
| 181 | if ( !ok ) |
| 182 | { |
| 183 | m_validatorWindow->SetFocus(); |
| 184 | |
| 185 | wxString buf; |
| 186 | buf.Printf(errormsg, val.c_str()); |
| 187 | |
| 188 | wxMessageBox(buf, _("Validation conflict"), |
| 189 | wxOK | wxICON_EXCLAMATION, parent); |
| 190 | } |
| 191 | |
| 192 | return ok; |
| 193 | } |
| 194 | |
| 195 | // Called to transfer data to the window |
| 196 | bool wxTextValidator::TransferToWindow(void) |
| 197 | { |
| 198 | if ( !m_validatorWindow ) |
| 199 | return FALSE; |
| 200 | if ( !m_validatorWindow->IsKindOf(CLASSINFO(wxTextCtrl)) ) |
| 201 | return FALSE; |
| 202 | if ( !m_stringValue ) |
| 203 | return FALSE; |
| 204 | |
| 205 | wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ; |
| 206 | control->SetValue(* m_stringValue) ; |
| 207 | |
| 208 | return TRUE; |
| 209 | } |
| 210 | |
| 211 | // Called to transfer data to the window |
| 212 | bool wxTextValidator::TransferFromWindow(void) |
| 213 | { |
| 214 | if ( !m_validatorWindow ) |
| 215 | return FALSE; |
| 216 | if ( !m_validatorWindow->IsKindOf(CLASSINFO(wxTextCtrl)) ) |
| 217 | return FALSE; |
| 218 | if ( !m_stringValue ) |
| 219 | return FALSE; |
| 220 | |
| 221 | wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow ; |
| 222 | * m_stringValue = control->GetValue() ; |
| 223 | |
| 224 | return TRUE; |
| 225 | } |
| 226 | |
| 227 | void wxTextValidator::SetIncludeList(const wxStringList& list) |
| 228 | { |
| 229 | /* |
| 230 | if ( !M_VTEXTDATA ) |
| 231 | return; |
| 232 | */ |
| 233 | |
| 234 | m_includeList.Clear(); |
| 235 | // TODO: replace with = |
| 236 | wxNode *node = list.First() ; |
| 237 | while ( node ) |
| 238 | { |
| 239 | wxChar *s = (wxChar *)node->Data(); |
| 240 | m_includeList.Add(s); |
| 241 | node = node->Next(); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | void wxTextValidator::SetExcludeList(const wxStringList& list) |
| 246 | { |
| 247 | /* |
| 248 | if ( !M_VTEXTDATA ) |
| 249 | return; |
| 250 | */ |
| 251 | |
| 252 | m_excludeList.Clear(); |
| 253 | // TODO: replace with = |
| 254 | wxNode *node = list.First() ; |
| 255 | while ( node ) |
| 256 | { |
| 257 | wxChar *s = (wxChar *)node->Data(); |
| 258 | m_excludeList.Add(s); |
| 259 | node = node->Next(); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | void wxTextValidator::OnChar(wxKeyEvent& event) |
| 264 | { |
| 265 | /* |
| 266 | if ( !M_VTEXTDATA ) |
| 267 | return; |
| 268 | */ |
| 269 | |
| 270 | if ( m_validatorWindow ) |
| 271 | { |
| 272 | int keyCode = (int)event.KeyCode(); |
| 273 | |
| 274 | // we don't filter special keys and Delete |
| 275 | if ( |
| 276 | !(keyCode < WXK_SPACE || keyCode == WXK_DELETE || keyCode > WXK_START) && |
| 277 | ( |
| 278 | ((m_validatorStyle & wxFILTER_ASCII) && !isascii(keyCode)) || |
| 279 | ((m_validatorStyle & wxFILTER_ALPHA) && !wxIsalpha(keyCode)) || |
| 280 | ((m_validatorStyle & wxFILTER_ALPHANUMERIC) && !wxIsalnum(keyCode)) || |
| 281 | ((m_validatorStyle & wxFILTER_NUMERIC) && !wxIsdigit(keyCode) |
| 282 | && keyCode != '.' && keyCode != ',' && keyCode != '-') |
| 283 | ) |
| 284 | ) |
| 285 | { |
| 286 | if ( !wxValidator::IsSilent() ) |
| 287 | wxBell(); |
| 288 | |
| 289 | // eat message |
| 290 | return; |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | event.Skip(); |
| 295 | } |
| 296 | |
| 297 | static bool wxIsNumeric(const wxString& val) |
| 298 | { |
| 299 | int i; |
| 300 | for ( i = 0; i < (int)val.Length(); i++) |
| 301 | { |
| 302 | // Allow for "," (French) as well as "." -- in future we should |
| 303 | // use wxSystemSettings or other to do better localisation |
| 304 | if ((!isdigit(val[i])) && (val[i] != '.') && (val[i] != ',')) |
| 305 | if(!((i == 0) && (val[i] == '-'))) |
| 306 | return FALSE; |
| 307 | } |
| 308 | return TRUE; |
| 309 | } |
| 310 | |
| 311 | #endif |
| 312 | // wxUSE_VALIDATORS |