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