1/////////////////////////////////////////////////////////////////////////////
2// Name:        src/common/valtext.cpp
3// Purpose:     wxTextValidator
4// Author:      Julian Smart
5// Modified by:
6// Created:     04/01/98
7// RCS-ID:      $Id: valtext.cpp 39656 2006-06-09 21:21:53Z ABX $
8// Copyright:   (c) Julian Smart
9// Licence:     wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// For compilers that support precompilation, includes "wx.h".
13#include "wx/wxprec.h"
14
15#ifdef __BORLANDC__
16  #pragma hdrstop
17#endif
18
19#if wxUSE_VALIDATORS && wxUSE_TEXTCTRL
20
21#include "wx/valtext.h"
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 <ctype.h>
32#include <string.h>
33#include <stdlib.h>
34
35#ifdef __SALFORDC__
36    #include <clib.h>
37#endif
38
39IMPLEMENT_DYNAMIC_CLASS(wxTextValidator, wxValidator)
40
41BEGIN_EVENT_TABLE(wxTextValidator, wxValidator)
42    EVT_CHAR(wxTextValidator::OnChar)
43END_EVENT_TABLE()
44
45static bool wxIsNumeric(const wxString& val);
46
47wxTextValidator::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
59wxTextValidator::wxTextValidator(const wxTextValidator& val)
60    : wxValidator()
61{
62    Copy(val);
63}
64
65bool wxTextValidator::Copy(const wxTextValidator& val)
66{
67    wxValidator::Copy(val);
68
69    m_validatorStyle = val.m_validatorStyle;
70    m_stringValue = val.m_stringValue;
71
72    m_includes    = val.m_includes;
73    m_excludes    = val.m_excludes;
74
75    return true;
76}
77
78static bool wxIsAlpha(const wxString& val)
79{
80    int i;
81    for ( i = 0; i < (int)val.length(); i++)
82    {
83        if (!wxIsalpha(val[i]))
84            return false;
85    }
86    return true;
87}
88
89static bool wxIsAlphaNumeric(const wxString& val)
90{
91    int i;
92    for ( i = 0; i < (int)val.length(); i++)
93    {
94        if (!wxIsalnum(val[i]))
95            return false;
96    }
97    return true;
98}
99
100// Called when the value in the window must be validated.
101// This function can pop up an error message.
102bool wxTextValidator::Validate(wxWindow *parent)
103{
104    if( !CheckValidator() )
105        return false;
106
107    wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow;
108
109    // If window is disabled, simply return
110    if ( !control->IsEnabled() )
111        return true;
112
113    wxString val(control->GetValue());
114
115    bool ok = true;
116
117    // NB: this format string should contian exactly one '%s'
118    wxString errormsg;
119
120    bool includes = (m_validatorStyle & wxFILTER_INCLUDE_LIST) != 0;
121    if ( includes || (m_validatorStyle & wxFILTER_EXCLUDE_LIST) )
122    {
123        // if includes, it's only ok to have the members of the list,
124        // otherwise it's only ok to have non-members
125        ok = includes == (m_includes.Index(val) != wxNOT_FOUND);
126        if ( !ok )
127        {
128            errormsg = _("'%s' is invalid");
129        }
130    }
131    else if ( (m_validatorStyle & wxFILTER_ASCII) && !val.IsAscii() )
132    {
133        ok = false;
134
135        errormsg = _("'%s' should only contain ASCII characters.");
136    }
137    else if ( (m_validatorStyle & wxFILTER_ALPHA) && !wxIsAlpha(val) )
138    {
139        ok = false;
140
141        errormsg = _("'%s' should only contain alphabetic characters.");
142    }
143    else if ( (m_validatorStyle & wxFILTER_ALPHANUMERIC) && !wxIsAlphaNumeric(val))
144    {
145        ok = false;
146
147        errormsg = _("'%s' should only contain alphabetic or numeric characters.");
148    }
149    else if ( (m_validatorStyle & wxFILTER_NUMERIC) && !wxIsNumeric(val))
150    {
151        ok = false;
152
153        errormsg = _("'%s' should be numeric.");
154    }
155    else if ( (m_validatorStyle & wxFILTER_INCLUDE_CHAR_LIST) && !IsInCharIncludes(val))
156    {
157        //it's only ok to have the members of the list
158        errormsg = _("'%s' is invalid");
159        ok = false;
160    }
161    else if ( (m_validatorStyle & wxFILTER_EXCLUDE_CHAR_LIST) && !IsNotInCharExcludes(val))
162    {
163        // it's only ok to have non-members of the list
164        errormsg = _("'%s' is invalid");
165        ok = false;
166    }
167
168    if ( !ok )
169    {
170        wxASSERT_MSG( !errormsg.empty(), _T("you forgot to set errormsg") );
171
172        m_validatorWindow->SetFocus();
173
174        wxString buf;
175        buf.Printf(errormsg, val.c_str());
176
177        wxMessageBox(buf, _("Validation conflict"),
178                     wxOK | wxICON_EXCLAMATION, parent);
179    }
180
181    return ok;
182}
183
184// Called to transfer data to the window
185bool wxTextValidator::TransferToWindow(void)
186{
187    if( !CheckValidator() )
188        return false;
189
190    if ( m_stringValue )
191    {
192        wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow;
193        control->SetValue(* m_stringValue);
194    }
195
196    return true;
197}
198
199// Called to transfer data to the window
200bool wxTextValidator::TransferFromWindow(void)
201{
202    if( !CheckValidator() )
203        return false;
204
205    if ( m_stringValue )
206    {
207        wxTextCtrl *control = (wxTextCtrl *) m_validatorWindow;
208        *m_stringValue = control->GetValue();
209    }
210
211    return true;
212}
213
214#if WXWIN_COMPATIBILITY_2_4
215
216inline void wxCopyStringListToArrayString(wxArrayString& to, const wxStringList& from)
217{
218    to.Clear();
219
220    for ( wxStringList::compatibility_iterator pNode = from.GetFirst();
221          pNode;
222          pNode = pNode->GetNext() )
223    {
224        to.Add(pNode->GetData());
225    }
226}
227
228inline void wxCopyArrayStringToStringList(wxStringList& to, const wxArrayString& from)
229{
230    to.Clear();
231
232    for(size_t i = 0; i < from.GetCount(); ++i)
233        to.Add(from[i]);
234}
235
236wxStringList& wxTextValidator::GetIncludeList()
237{
238    wxCopyArrayStringToStringList(m_includeList, m_includes);
239    return m_includeList;
240}
241
242wxStringList& wxTextValidator::GetExcludeList()
243{
244    wxCopyArrayStringToStringList(m_excludeList, m_excludes);
245    return m_excludeList;
246}
247
248void wxTextValidator::SetIncludeList(const wxStringList& list)
249{
250    wxCopyStringListToArrayString(m_includes, list);
251}
252
253void wxTextValidator::SetExcludeList(const wxStringList& list)
254{
255    wxCopyStringListToArrayString(m_excludes, list);
256}
257
258bool wxTextValidator::IsInCharIncludeList(const wxString& val)
259{
260    return IsInCharIncludes(val);
261}
262
263bool wxTextValidator::IsNotInCharExcludeList(const wxString& val)
264{
265    return IsNotInCharExcludes(val);
266}
267
268#endif //compat 2.4
269
270
271bool wxTextValidator::IsInCharIncludes(const wxString& val)
272{
273    size_t i;
274    for ( i = 0; i < val.length(); i++)
275    {
276        if (m_includes.Index((wxString) val[i]) == wxNOT_FOUND)
277            return false;
278    }
279    return true;
280}
281
282bool wxTextValidator::IsNotInCharExcludes(const wxString& val)
283{
284    size_t i;
285    for ( i = 0; i < val.length(); i++)
286    {
287       if (m_excludes.Index((wxString) val[i]) != wxNOT_FOUND)
288            return false;
289    }
290    return true;
291}
292
293void wxTextValidator::OnChar(wxKeyEvent& event)
294{
295/*
296    if ( !M_VTEXTDATA )
297        return;
298*/
299
300    if ( m_validatorWindow )
301    {
302        int keyCode = event.GetKeyCode();
303
304        // we don't filter special keys and Delete
305        if (
306             !(keyCode < WXK_SPACE || keyCode == WXK_DELETE || keyCode > WXK_START) &&
307             (
308              ((m_validatorStyle & wxFILTER_INCLUDE_CHAR_LIST) && !IsInCharIncludes(wxString((wxChar) keyCode, 1))) ||
309              ((m_validatorStyle & wxFILTER_EXCLUDE_CHAR_LIST) && !IsNotInCharExcludes(wxString((wxChar) keyCode, 1))) ||
310              ((m_validatorStyle & wxFILTER_ASCII) && !isascii(keyCode)) ||
311              ((m_validatorStyle & wxFILTER_ALPHA) && !wxIsalpha(keyCode)) ||
312              ((m_validatorStyle & wxFILTER_ALPHANUMERIC) && !wxIsalnum(keyCode)) ||
313              ((m_validatorStyle & wxFILTER_NUMERIC) && !wxIsdigit(keyCode)
314                                && keyCode != wxT('.') && keyCode != wxT(',') && keyCode != wxT('-') && keyCode != wxT('+') && keyCode != wxT('e') && keyCode != wxT('E'))
315             )
316           )
317        {
318            if ( !wxValidator::IsSilent() )
319                wxBell();
320
321            // eat message
322            return;
323        }
324    }
325
326    event.Skip();
327}
328
329static bool wxIsNumeric(const wxString& val)
330{
331    int i;
332    for ( i = 0; i < (int)val.length(); i++)
333    {
334        // Allow for "," (French) as well as "." -- in future we should
335        // use wxSystemSettings or other to do better localisation
336        if ((!wxIsdigit(val[i])) && (val[i] != wxT('.')) && (val[i] != wxT(',')) && (val[i] != wxT('e')) && (val[i] != wxT('E')) && (val[i] != wxT('+')) && (val[i] != wxT('-')))
337            return false;
338    }
339    return true;
340}
341
342
343#endif
344  // wxUSE_VALIDATORS && wxUSE_TEXTCTRL
345