bgneal@45: /**
bgneal@45:  * $Id: validate.js 758 2008-03-30 13:53:29Z spocke $
bgneal@45:  *
bgneal@45:  * Various form validation methods.
bgneal@45:  *
bgneal@45:  * @author Moxiecode
bgneal@45:  * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.
bgneal@45:  */
bgneal@45: 
bgneal@45: /**
bgneal@45: 	// String validation:
bgneal@45: 
bgneal@45: 	if (!Validator.isEmail('myemail'))
bgneal@45: 		alert('Invalid email.');
bgneal@45: 
bgneal@45: 	// Form validation:
bgneal@45: 
bgneal@45: 	var f = document.forms['myform'];
bgneal@45: 
bgneal@45: 	if (!Validator.isEmail(f.myemail))
bgneal@45: 		alert('Invalid email.');
bgneal@45: */
bgneal@45: 
bgneal@45: var Validator = {
bgneal@45: 	isEmail : function(s) {
bgneal@45: 		return this.test(s, '^[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+@[-!#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.[-!#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$');
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	isAbsUrl : function(s) {
bgneal@45: 		return this.test(s, '^(news|telnet|nttp|file|http|ftp|https)://[-A-Za-z0-9\\.]+\\/?.*$');
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	isSize : function(s) {
bgneal@45: 		return this.test(s, '^[0-9]+(%|in|cm|mm|em|ex|pt|pc|px)?$');
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	isId : function(s) {
bgneal@45: 		return this.test(s, '^[A-Za-z_]([A-Za-z0-9_])*$');
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	isEmpty : function(s) {
bgneal@45: 		var nl, i;
bgneal@45: 
bgneal@45: 		if (s.nodeName == 'SELECT' && s.selectedIndex < 1)
bgneal@45: 			return true;
bgneal@45: 
bgneal@45: 		if (s.type == 'checkbox' && !s.checked)
bgneal@45: 			return true;
bgneal@45: 
bgneal@45: 		if (s.type == 'radio') {
bgneal@45: 			for (i=0, nl = s.form.elements; i<nl.length; i++) {
bgneal@45: 				if (nl[i].type == "radio" && nl[i].name == s.name && nl[i].checked)
bgneal@45: 					return false;
bgneal@45: 			}
bgneal@45: 
bgneal@45: 			return true;
bgneal@45: 		}
bgneal@45: 
bgneal@45: 		return new RegExp('^\\s*$').test(s.nodeType == 1 ? s.value : s);
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	isNumber : function(s, d) {
bgneal@45: 		return !isNaN(s.nodeType == 1 ? s.value : s) && (!d || !this.test(s, '^-?[0-9]*\\.[0-9]*$'));
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	test : function(s, p) {
bgneal@45: 		s = s.nodeType == 1 ? s.value : s;
bgneal@45: 
bgneal@45: 		return s == '' || new RegExp(p).test(s);
bgneal@45: 	}
bgneal@45: };
bgneal@45: 
bgneal@45: var AutoValidator = {
bgneal@45: 	settings : {
bgneal@45: 		id_cls : 'id',
bgneal@45: 		int_cls : 'int',
bgneal@45: 		url_cls : 'url',
bgneal@45: 		number_cls : 'number',
bgneal@45: 		email_cls : 'email',
bgneal@45: 		size_cls : 'size',
bgneal@45: 		required_cls : 'required',
bgneal@45: 		invalid_cls : 'invalid',
bgneal@45: 		min_cls : 'min',
bgneal@45: 		max_cls : 'max'
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	init : function(s) {
bgneal@45: 		var n;
bgneal@45: 
bgneal@45: 		for (n in s)
bgneal@45: 			this.settings[n] = s[n];
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	validate : function(f) {
bgneal@45: 		var i, nl, s = this.settings, c = 0;
bgneal@45: 
bgneal@45: 		nl = this.tags(f, 'label');
bgneal@45: 		for (i=0; i<nl.length; i++)
bgneal@45: 			this.removeClass(nl[i], s.invalid_cls);
bgneal@45: 
bgneal@45: 		c += this.validateElms(f, 'input');
bgneal@45: 		c += this.validateElms(f, 'select');
bgneal@45: 		c += this.validateElms(f, 'textarea');
bgneal@45: 
bgneal@45: 		return c == 3;
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	invalidate : function(n) {
bgneal@45: 		this.mark(n.form, n);
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	reset : function(e) {
bgneal@45: 		var t = ['label', 'input', 'select', 'textarea'];
bgneal@45: 		var i, j, nl, s = this.settings;
bgneal@45: 
bgneal@45: 		if (e == null)
bgneal@45: 			return;
bgneal@45: 
bgneal@45: 		for (i=0; i<t.length; i++) {
bgneal@45: 			nl = this.tags(e.form ? e.form : e, t[i]);
bgneal@45: 			for (j=0; j<nl.length; j++)
bgneal@45: 				this.removeClass(nl[j], s.invalid_cls);
bgneal@45: 		}
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	validateElms : function(f, e) {
bgneal@45: 		var nl, i, n, s = this.settings, st = true, va = Validator, v;
bgneal@45: 
bgneal@45: 		nl = this.tags(f, e);
bgneal@45: 		for (i=0; i<nl.length; i++) {
bgneal@45: 			n = nl[i];
bgneal@45: 
bgneal@45: 			this.removeClass(n, s.invalid_cls);
bgneal@45: 
bgneal@45: 			if (this.hasClass(n, s.required_cls) && va.isEmpty(n))
bgneal@45: 				st = this.mark(f, n);
bgneal@45: 
bgneal@45: 			if (this.hasClass(n, s.number_cls) && !va.isNumber(n))
bgneal@45: 				st = this.mark(f, n);
bgneal@45: 
bgneal@45: 			if (this.hasClass(n, s.int_cls) && !va.isNumber(n, true))
bgneal@45: 				st = this.mark(f, n);
bgneal@45: 
bgneal@45: 			if (this.hasClass(n, s.url_cls) && !va.isAbsUrl(n))
bgneal@45: 				st = this.mark(f, n);
bgneal@45: 
bgneal@45: 			if (this.hasClass(n, s.email_cls) && !va.isEmail(n))
bgneal@45: 				st = this.mark(f, n);
bgneal@45: 
bgneal@45: 			if (this.hasClass(n, s.size_cls) && !va.isSize(n))
bgneal@45: 				st = this.mark(f, n);
bgneal@45: 
bgneal@45: 			if (this.hasClass(n, s.id_cls) && !va.isId(n))
bgneal@45: 				st = this.mark(f, n);
bgneal@45: 
bgneal@45: 			if (this.hasClass(n, s.min_cls, true)) {
bgneal@45: 				v = this.getNum(n, s.min_cls);
bgneal@45: 
bgneal@45: 				if (isNaN(v) || parseInt(n.value) < parseInt(v))
bgneal@45: 					st = this.mark(f, n);
bgneal@45: 			}
bgneal@45: 
bgneal@45: 			if (this.hasClass(n, s.max_cls, true)) {
bgneal@45: 				v = this.getNum(n, s.max_cls);
bgneal@45: 
bgneal@45: 				if (isNaN(v) || parseInt(n.value) > parseInt(v))
bgneal@45: 					st = this.mark(f, n);
bgneal@45: 			}
bgneal@45: 		}
bgneal@45: 
bgneal@45: 		return st;
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	hasClass : function(n, c, d) {
bgneal@45: 		return new RegExp('\\b' + c + (d ? '[0-9]+' : '') + '\\b', 'g').test(n.className);
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	getNum : function(n, c) {
bgneal@45: 		c = n.className.match(new RegExp('\\b' + c + '([0-9]+)\\b', 'g'))[0];
bgneal@45: 		c = c.replace(/[^0-9]/g, '');
bgneal@45: 
bgneal@45: 		return c;
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	addClass : function(n, c, b) {
bgneal@45: 		var o = this.removeClass(n, c);
bgneal@45: 		n.className = b ? c + (o != '' ? (' ' + o) : '') : (o != '' ? (o + ' ') : '') + c;
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	removeClass : function(n, c) {
bgneal@45: 		c = n.className.replace(new RegExp("(^|\\s+)" + c + "(\\s+|$)"), ' ');
bgneal@45: 		return n.className = c != ' ' ? c : '';
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	tags : function(f, s) {
bgneal@45: 		return f.getElementsByTagName(s);
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	mark : function(f, n) {
bgneal@45: 		var s = this.settings;
bgneal@45: 
bgneal@45: 		this.addClass(n, s.invalid_cls);
bgneal@45: 		this.markLabels(f, n, s.invalid_cls);
bgneal@45: 
bgneal@45: 		return false;
bgneal@45: 	},
bgneal@45: 
bgneal@45: 	markLabels : function(f, n, ic) {
bgneal@45: 		var nl, i;
bgneal@45: 
bgneal@45: 		nl = this.tags(f, "label");
bgneal@45: 		for (i=0; i<nl.length; i++) {
bgneal@45: 			if (nl[i].getAttribute("for") == n.id || nl[i].htmlFor == n.id)
bgneal@45: 				this.addClass(nl[i], ic);
bgneal@45: 		}
bgneal@45: 
bgneal@45: 		return null;
bgneal@45: 	}
bgneal@45: };