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1/**
2 * $Id: validate.js 758 2008-03-30 13:53:29Z spocke $
3 *
4 * Various form validation methods.
5 *
6 * @author Moxiecode
7 * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.
8 */
9
10/**
11 // String validation:
12
13 if (!Validator.isEmail('myemail'))
14 alert('Invalid email.');
15
16 // Form validation:
17
18 var f = document.forms['myform'];
19
20 if (!Validator.isEmail(f.myemail))
21 alert('Invalid email.');
22*/
23
24var Validator = {
25 isEmail : function(s) {
26 return this.test(s, '^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+@[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$');
27 },
28
29 isAbsUrl : function(s) {
30 return this.test(s, '^(news|telnet|nttp|file|http|ftp|https)://[-A-Za-z0-9\\.]+\\/?.*$');
31 },
32
33 isSize : function(s) {
34 return this.test(s, '^[0-9]+(%|in|cm|mm|em|ex|pt|pc|px)?$');
35 },
36
37 isId : function(s) {
38 return this.test(s, '^[A-Za-z_]([A-Za-z0-9_])*$');
39 },
40
41 isEmpty : function(s) {
42 var nl, i;
43
44 if (s.nodeName == 'SELECT' && s.selectedIndex < 1)
45 return true;
46
47 if (s.type == 'checkbox' && !s.checked)
48 return true;
49
50 if (s.type == 'radio') {
51 for (i=0, nl = s.form.elements; i<nl.length; i++) {
52 if (nl[i].type == "radio" && nl[i].name == s.name && nl[i].checked)
53 return false;
54 }
55
56 return true;
57 }
58
59 return new RegExp('^\\s*$').test(s.nodeType == 1 ? s.value : s);
60 },
61
62 isNumber : function(s, d) {
63 return !isNaN(s.nodeType == 1 ? s.value : s) && (!d || !this.test(s, '^-?[0-9]*\\.[0-9]*$'));
64 },
65
66 test : function(s, p) {
67 s = s.nodeType == 1 ? s.value : s;
68
69 return s == '' || new RegExp(p).test(s);
70 }
71};
72
73var AutoValidator = {
74 settings : {
75 id_cls : 'id',
76 int_cls : 'int',
77 url_cls : 'url',
78 number_cls : 'number',
79 email_cls : 'email',
80 size_cls : 'size',
81 required_cls : 'required',
82 invalid_cls : 'invalid',
83 min_cls : 'min',
84 max_cls : 'max'
85 },
86
87 init : function(s) {
88 var n;
89
90 for (n in s)
91 this.settings[n] = s[n];
92 },
93
94 validate : function(f) {
95 var i, nl, s = this.settings, c = 0;
96
97 nl = this.tags(f, 'label');
98 for (i=0; i<nl.length; i++)
99 this.removeClass(nl[i], s.invalid_cls);
100
101 c += this.validateElms(f, 'input');
102 c += this.validateElms(f, 'select');
103 c += this.validateElms(f, 'textarea');
104
105 return c == 3;
106 },
107
108 invalidate : function(n) {
109 this.mark(n.form, n);
110 },
111
112 reset : function(e) {
113 var t = ['label', 'input', 'select', 'textarea'];
114 var i, j, nl, s = this.settings;
115
116 if (e == null)
117 return;
118
119 for (i=0; i<t.length; i++) {
120 nl = this.tags(e.form ? e.form : e, t[i]);
121 for (j=0; j<nl.length; j++)
122 this.removeClass(nl[j], s.invalid_cls);
123 }
124 },
125
126 validateElms : function(f, e) {
127 var nl, i, n, s = this.settings, st = true, va = Validator, v;
128
129 nl = this.tags(f, e);
130 for (i=0; i<nl.length; i++) {
131 n = nl[i];
132
133 this.removeClass(n, s.invalid_cls);
134
135 if (this.hasClass(n, s.required_cls) && va.isEmpty(n))
136 st = this.mark(f, n);
137
138 if (this.hasClass(n, s.number_cls) && !va.isNumber(n))
139 st = this.mark(f, n);
140
141 if (this.hasClass(n, s.int_cls) && !va.isNumber(n, true))
142 st = this.mark(f, n);
143
144 if (this.hasClass(n, s.url_cls) && !va.isAbsUrl(n))
145 st = this.mark(f, n);
146
147 if (this.hasClass(n, s.email_cls) && !va.isEmail(n))
148 st = this.mark(f, n);
149
150 if (this.hasClass(n, s.size_cls) && !va.isSize(n))
151 st = this.mark(f, n);
152
153 if (this.hasClass(n, s.id_cls) && !va.isId(n))
154 st = this.mark(f, n);
155
156 if (this.hasClass(n, s.min_cls, true)) {
157 v = this.getNum(n, s.min_cls);
158
159 if (isNaN(v) || parseInt(n.value) < parseInt(v))
160 st = this.mark(f, n);
161 }
162
163 if (this.hasClass(n, s.max_cls, true)) {
164 v = this.getNum(n, s.max_cls);
165
166 if (isNaN(v) || parseInt(n.value) > parseInt(v))
167 st = this.mark(f, n);
168 }
169 }
170
171 return st;
172 },
173
174 hasClass : function(n, c, d) {
175 return new RegExp('\\b' + c + (d ? '[0-9]+' : '') + '\\b', 'g').test(n.className);
176 },
177
178 getNum : function(n, c) {
179 c = n.className.match(new RegExp('\\b' + c + '([0-9]+)\\b', 'g'))[0];
180 c = c.replace(/[^0-9]/g, '');
181
182 return c;
183 },
184
185 addClass : function(n, c, b) {
186 var o = this.removeClass(n, c);
187 n.className = b ? c + (o != '' ? (' ' + o) : '') : (o != '' ? (o + ' ') : '') + c;
188 },
189
190 removeClass : function(n, c) {
191 c = n.className.replace(new RegExp("(^|\\s+)" + c + "(\\s+|$)"), ' ');
192 return n.className = c != ' ' ? c : '';
193 },
194
195 tags : function(f, s) {
196 return f.getElementsByTagName(s);
197 },
198
199 mark : function(f, n) {
200 var s = this.settings;
201
202 this.addClass(n, s.invalid_cls);
203 this.markLabels(f, n, s.invalid_cls);
204
205 return false;
206 },
207
208 markLabels : function(f, n, ic) {
209 var nl, i;
210
211 nl = this.tags(f, "label");
212 for (i=0; i<nl.length; i++) {
213 if (nl[i].getAttribute("for") == n.id || nl[i].htmlFor == n.id)
214 this.addClass(nl[i], ic);
215 }
216
217 return null;
218 }
219};
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