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/** |
* $Id: validate.js 162 2007-01-03 16:16:52Z spocke $ |
* |
* Various form validation methods. |
* |
* @author Moxiecode |
* @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved. |
*/ |
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/** |
// String validation: |
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if (!Validator.isEmail('myemail')) |
alert('Invalid email.'); |
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// Form validation: |
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var f = document.forms['myform']; |
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if (!Validator.isEmail(f.myemail)) |
alert('Invalid email.'); |
*/ |
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var Validator = { |
isEmail : function(s) { |
return this.test(s, '^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+@[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$'); |
}, |
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isAbsUrl : function(s) { |
return this.test(s, '^(news|telnet|nttp|file|http|ftp|https)://[-A-Za-z0-9\\.]+\\/?.*$'); |
}, |
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isSize : function(s) { |
return this.test(s, '^[0-9]+(px|%)?$'); |
}, |
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isId : function(s) { |
return this.test(s, '^[A-Za-z_]([A-Za-z0-9_])*$'); |
}, |
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isEmpty : function(s) { |
var nl, i; |
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if (s.nodeName == 'SELECT' && s.selectedIndex < 1) |
return true; |
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if (s.type == 'checkbox' && !s.checked) |
return true; |
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if (s.type == 'radio') { |
for (i=0, nl = s.form.elements; i<nl.length; i++) { |
if (nl[i].type == "radio" && nl[i].name == s.name && nl[i].checked) |
return false; |
} |
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return true; |
} |
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return new RegExp('^\\s*$').test(s.nodeType == 1 ? s.value : s); |
}, |
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isNumber : function(s, d) { |
return !isNaN(s.nodeType == 1 ? s.value : s) && (!d || !this.test(s, '^-?[0-9]*\\.[0-9]*$')); |
}, |
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test : function(s, p) { |
s = s.nodeType == 1 ? s.value : s; |
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return s == '' || new RegExp(p).test(s); |
} |
}; |
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var AutoValidator = { |
settings : { |
id_cls : 'id', |
int_cls : 'int', |
url_cls : 'url', |
number_cls : 'number', |
email_cls : 'email', |
size_cls : 'size', |
required_cls : 'required', |
invalid_cls : 'invalid', |
min_cls : 'min', |
max_cls : 'max' |
}, |
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init : function(s) { |
var n; |
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for (n in s) |
this.settings[n] = s[n]; |
}, |
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validate : function(f) { |
var i, nl, s = this.settings, c = 0; |
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nl = this.tags(f, 'label'); |
for (i=0; i<nl.length; i++) |
this.removeClass(nl[i], s.invalid_cls); |
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c += this.validateElms(f, 'input'); |
c += this.validateElms(f, 'select'); |
c += this.validateElms(f, 'textarea'); |
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return c == 3; |
}, |
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invalidate : function(n) { |
this.mark(n.form, n); |
}, |
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reset : function(e) { |
var t = new Array('label', 'input', 'select', 'textarea'); |
var i, j, nl, s = this.settings; |
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if (e == null) |
return; |
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for (i=0; i<t.length; i++) { |
nl = this.tags(e.form ? e.form : e, t[i]); |
for (j=0; j<nl.length; j++) |
this.removeClass(nl[j], s.invalid_cls); |
} |
}, |
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validateElms : function(f, e) { |
var nl, i, n, s = this.settings, st = true, va = Validator, v; |
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nl = this.tags(f, e); |
for (i=0; i<nl.length; i++) { |
n = nl[i]; |
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this.removeClass(n, s.invalid_cls); |
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if (this.hasClass(n, s.required_cls) && va.isEmpty(n)) |
st = this.mark(f, n); |
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if (this.hasClass(n, s.number_cls) && !va.isNumber(n)) |
st = this.mark(f, n); |
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if (this.hasClass(n, s.int_cls) && !va.isNumber(n, true)) |
st = this.mark(f, n); |
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if (this.hasClass(n, s.url_cls) && !va.isAbsUrl(n)) |
st = this.mark(f, n); |
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if (this.hasClass(n, s.email_cls) && !va.isEmail(n)) |
st = this.mark(f, n); |
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if (this.hasClass(n, s.size_cls) && !va.isSize(n)) |
st = this.mark(f, n); |
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if (this.hasClass(n, s.id_cls) && !va.isId(n)) |
st = this.mark(f, n); |
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if (this.hasClass(n, s.min_cls, true)) { |
v = this.getNum(n, s.min_cls); |
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if (isNaN(v) || parseInt(n.value) < parseInt(v)) |
st = this.mark(f, n); |
} |
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if (this.hasClass(n, s.max_cls, true)) { |
v = this.getNum(n, s.max_cls); |
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if (isNaN(v) || parseInt(n.value) > parseInt(v)) |
st = this.mark(f, n); |
} |
} |
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return st; |
}, |
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hasClass : function(n, c, d) { |
return new RegExp('\\b' + c + (d ? '[0-9]+' : '') + '\\b', 'g').test(n.className); |
}, |
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getNum : function(n, c) { |
c = n.className.match(new RegExp('\\b' + c + '([0-9]+)\\b', 'g'))[0]; |
c = c.replace(/[^0-9]/g, ''); |
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return c; |
}, |
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addClass : function(n, c, b) { |
var o = this.removeClass(n, c); |
n.className = b ? c + (o != '' ? (' ' + o) : '') : (o != '' ? (o + ' ') : '') + c; |
}, |
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removeClass : function(n, c) { |
c = n.className.replace(new RegExp("(^|\\s+)" + c + "(\\s+|$)"), ' '); |
return n.className = c != ' ' ? c : ''; |
}, |
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tags : function(f, s) { |
return f.getElementsByTagName(s); |
}, |
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mark : function(f, n) { |
var s = this.settings; |
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this.addClass(n, s.invalid_cls); |
this.markLabels(f, n, s.invalid_cls); |
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return false; |
}, |
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markLabels : function(f, n, ic) { |
var nl, i; |
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nl = this.tags(f, "label"); |
for (i=0; i<nl.length; i++) { |
if (nl[i].getAttribute("for") == n.id || nl[i].htmlFor == n.id) |
this.addClass(nl[i], ic); |
} |
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return null; |
} |
}; |