/*
 * Really easy field validation with Prototype
 * http://tetlaw.id.au/view/javascript/really-easy-field-validation
 * Andrew Tetlaw
 * Version 1.5.4.1 (2007-01-05)
 * Modified By Arnaud Daret (2008-06-20)
 * 
 * Copyright (c) 2007 Andrew Tetlaw
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 */

function validate(form) {
    // Form.getElements(this.form).all(function(elm) { return Validation.validate(elm,{useTitle : useTitles, onElementValidate : callback}); });
    // alert(Form.getElements(form).all(function(elm) { alert('enter ' + elm.id + ' [value= '+elm.value+']'); return Validation.validate(elm);}));
    if (form == 'setPrefs') {
	var passwd = $F($(form)['newpassword']);
	if (!passwd.blank()) {
	    if (passwd != $F($(form)['renewpassword'])) {
		alert('Les mots de passe ne concordent pas.\nPasswords mismatched');
		return;
	    }
	    else $(form).appendChild(new Element("input",{'class':'hidden','name':'passwd','value':passwd.md5()}));
	}
    }
    var valid = new Validation(form, {useTitles:true}); 
    valid.reset();
    if (valid.validate()) { execForm(form); if (dialog!=null) dialog.deactivate();}
}

var Validator = Class.create();

Validator.prototype = {
    initialize : function(className, error, test, options) {
	if(typeof test == 'function'){
	    this.options = $H(options);
	    this._test = test;
	} else {
	    this.options = $H(test);
	    this._test = function(){return true};
	}
	this.error = error || 'Validation failed.';
	this.className = className;
    },
    test : function(v, elm) {
	return (this._test(v,elm) && this.options.all(function(p){
		    return Validator.methods[p.key] ? Validator.methods[p.key](v,elm,p.value) : true;
		}));
    }
}
    
Validator.methods = {
    pattern : function(v,elm,opt) {return Validation.get('IsEmpty').test(v) || opt.test(v)},
    minLength : function(v,elm,opt) {return v.length >= opt},
    maxLength : function(v,elm,opt) {return v.length <= opt},
    min : function(v,elm,opt) {return v >= parseFloat(opt)}, 
    max : function(v,elm,opt) {return v <= parseFloat(opt)},
    notOneOf : function(v,elm,opt) {return $A(opt).all(function(value) {
		return v != value;
	    })},
    oneOf : function(v,elm,opt) {return $A(opt).any(function(value) {
		return v == value;
	    })},
    is : function(v,elm,opt) {return v == opt},
    isNot : function(v,elm,opt) {return v != opt},
    equalToField : function(v,elm,opt) {return v == $F(opt)},
    notEqualToField : function(v,elm,opt) {return v != $F(opt)},
    include : function(v,elm,opt) {return $A(opt).all(function(value) {
		return Validation.get(value).test(v,elm);
	    })}
}
    
var Validation = Class.create();

Validation.prototype = {
    initialize : function(form, options){
	this.options = Object.extend({
		onSubmit : false,
		onClick : true,
		stopOnFirst : false,
		immediate : false,
		focusOnError : true,
		useTitles : false,
		onFormValidate : function(result, form) {},
		onElementValidate : function(result, elm) {}
	    }, options || {});
	this.form = $(form);
	/*
	if(this.options.onClick) Event.observe(this.form,'click',this.onClick.bind(this),false);
	if(this.options.immediate) {
	    var useTitles = this.options.useTitles;
	    var callback = this.options.onElementValidate;
	    Form.getElements(this.form).each(function(input) { // Thanks Mike!
		    Event.observe(input, 'blur', function(ev) { Validation.validate(Event.element(ev),{useTitle : useTitles, onElementValidate : callback}); });
		});
	}
	*/
    },
    onClick :  function(ev){
	if(!this.validate()) Event.stop(ev);
	else execForm(this.form);
    },
    validate : function() {
	var result = false;
	var useTitles = this.options.useTitles;
	var callback = this.options.onElementValidate;
	if(this.options.stopOnFirst) {
	    result = Form.getElements(this.form).all(function(elm) { return Validation.validate(elm,{useTitle : useTitles, onElementValidate : callback}); });
	} else {
	    result = Form.getElements(this.form).collect(function(elm) { return Validation.validate(elm,{useTitle : useTitles, onElementValidate : callback}); }).all();
	}
	if(!result && this.options.focusOnError) {
	    Form.getElements(this.form).findAll(function(elm){return $(elm).hasClassName('validation-failed')}).first().focus()
	}
	this.options.onFormValidate(result, this.form);
	return result;
    },
    reset : function() {
	Form.getElements(this.form).each(Validation.reset);
    }
}

Object.extend(Validation, {	
	validate : function(elm, options){
	    options = Object.extend({
		    useTitle : false,
		    onElementValidate : function(result, elm) {}
		}, options || {});
	    elm = $(elm);
	    if (elm.className=='') return true;
	    var cn = elm.classNames();
	    return result = cn.all(function(value) {			
		    var test = Validation.test(value,elm,options.useTitle);			
		    options.onElementValidate(test, elm);			
		    return test;
		});
	},
	    test : function(name, elm, useTitle) {
	    var v = Validation.get(name);
	    var prop = '__advice'+name.camelize();
	    try {
		if(Validation.isVisible(elm) && !v.test($F(elm), elm)) {
		    if(!elm[prop]) {
			var advice = Validation.getAdvice(name, elm);
			if(advice == null) {
			    var errorMsg = useTitle ? ((elm && elm.title) ? elm.title : v.error) : v.error;
			    advice = '<div class="validation-advice" id="advice-' + name + '-' + Validation.getElmID(elm) +'" style="display:none">' + errorMsg + '</div>'
				switch (elm.type.toLowerCase()) {
				case 'checkbox':
				case 'radio':
				var p = elm.parentNode;
				if(p) {
				    new Insertion.Before(p, advice);
				} else {
				    new Insertion.After(elm, advice);
				}
				break;
				default:
				new Insertion.Before(elm, advice);
				}
			    advice = Validation.getAdvice(name, elm);
			}
			if(typeof Effect == 'undefined') {
			    advice.style.display = 'block';
			} else {
			    new Effect.Appear(advice, {duration : 1 });
			}
		    }
		    elm[prop] = true;
		    elm.removeClassName('validation-passed');
		    elm.addClassName('validation-failed');
		    return false;
		} else {
		    var advice = Validation.getAdvice(name, elm);
		    if(advice != null) advice.hide();
		    elm[prop] = '';
		    elm.removeClassName('validation-failed');
		    elm.addClassName('validation-passed');
		    return true;
		}
	    } catch(e) {
		throw(e)
		    }
	},
	    isVisible : function(elm) {
	    while(elm.tagName != 'BODY') {
		if(!$(elm).visible()) return false;
		elm = elm.parentNode;
	    }
	    return true;
	},
	    getAdvice : function(name, elm) {
	    return $('advice-' + name + '-' + Validation.getElmID(elm)) || $('advice-' + Validation.getElmID(elm));
	},
	    getElmID : function(elm) {
	    return elm.id ? elm.id : elm.name;
	},
	    reset : function(elm) {
	    elm = $(elm);
	    var cn = elm.classNames();
	    cn.each(function(value) {
		    var prop = '__advice'+value.camelize();
		    if(elm[prop]) {
			var advice = Validation.getAdvice(value, elm);
			if (advice != null) advice.hide();
			elm[prop] = '';
		    }
		    elm.removeClassName('validation-failed');
		    elm.removeClassName('validation-passed');
		});
	},
	    add : function(className, error, test, options) {
	    var nv = {};
	    nv[className] = new Validator(className, error, test, options);
	    Object.extend(Validation.methods, nv);
	},
	    addAllThese : function(validators) {
	    var nv = {};
	    $A(validators).each(function(value) {
		    nv[value[0]] = new Validator(value[0], value[1], value[2], (value.length > 3 ? value[3] : {}));
		});
	    Object.extend(Validation.methods, nv);
	},
	    get : function(name) {
	    return  Validation.methods[name] ? Validation.methods[name] : Validation.methods['_LikeNoIDIEverSaw_'];
	},
	    methods : {
	    '_LikeNoIDIEverSaw_' : new Validator('_LikeNoIDIEverSaw_','',{})
		}
    });

Validation.add('IsEmpty', '', function(v) {
	return  ((v == null) || (v.length == 0) || /^\s+|\s+$/g.test(v));
    });

Validation.addAllThese([
			['required', 'This is a required field.', function(v) {
				return !Validation.get('IsEmpty').test(v);
			    }],
			['required-255', 'This is a required 255 characters text field.', function(v) {
				return (!Validation.get('IsEmpty').test(v) && v.length < 255);
			    }],
			['max-255', 'The maximum of characters allowed is 255.', function(v) {
				return (v.length < 255);
			    }],
			['validate-number', 'Please enter a valid number in this field.', function(v) {
				return Validation.get('IsEmpty').test(v) || (!isNaN(v) && !/^\s+$/.test(v));
			    }],
			['validate-year', 'Please enter a valid year in this field.', function(v) {
				return Validation.get('IsEmpty').test(v) || (!isNaN(v) && !/[^\d]/.test(v) && !/^\s+$/.test(v) && v.length == 4);
			    }],
			['validate-digits', 'Please use numbers only in this field. please avoid spaces or other characters such as dots or commas.', function(v) {
				return Validation.get('IsEmpty').test(v) ||  !/[^\d]/.test(v);
			    }],
			['validate-alpha', 'Please use letters only (a-z) in this field.', function (v) {
				return Validation.get('IsEmpty').test(v) ||  /^[a-zA-Z]+$/.test(v)
				    }],
			['validate-alphanum', 'Please use only letters (a-z) or numbers (0-9) only in this field. No spaces or other characters are allowed.', function(v) {
				return Validation.get('IsEmpty').test(v) ||  !/\W/.test(v)
				    }],
			['validate-date', 'Please enter a valid date.', function(v) {
				var test = new Date(v);
				return Validation.get('IsEmpty').test(v) || !isNaN(test);
			    }],
			['validate-email', 'Please enter a valid email address. For example fred@domain.com .', function (v) {
				return Validation.get('IsEmpty').test(v) || /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(v)
															  }],
			['validate-url', 'Please enter a valid URL.', function (v) {
				return Validation.get('IsEmpty').test(v) || /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v)
				    }],
			['validate-date-au', 'Please use this date format: dd/mm/yyyy. For example 17/03/2006 for the 17th of March, 2006.', function(v) {
				if(Validation.get('IsEmpty').test(v)) return true;
				var regex = /^(\d{2})\/(\d{2})\/(\d{4})$/;
				if(!regex.test(v)) return false;
				var d = new Date(v.replace(regex, '$2/$1/$3'));
				return ( parseInt(RegExp.$2, 10) == (1+d.getMonth()) ) && 
				    (parseInt(RegExp.$1, 10) == d.getDate()) && 
				    (parseInt(RegExp.$3, 10) == d.getFullYear() );
			    }],
			['validate-currency-dollar', 'Please enter a valid $ amount. For example $100.00 .', function(v) {
				// [$]1[##][,###]+[.##]
				// [$]1###+[.##]
				// [$]0.##
				// [$].##
				return Validation.get('IsEmpty').test(v) ||  /^\$?\-?([1-9]{1}[0-9]{0,2}(\,[0-9]{3})*(\.[0-9]{0,2})?|[1-9]{1}\d*(\.[0-9]{0,2})?|0(\.[0-9]{0,2})?|(\.[0-9]{1,2})?)$/.test(v)
				    }],
			['validate-selection', 'Please make a selection', function(v,elm){
				return elm.options ? elm.selectedIndex > 0 : !Validation.get('IsEmpty').test(v);
			    }],
			['validate-one-required', 'Please select one of the above options.', function (v,elm) {				
				var p =  elm.parentNode;
				var options = p.getElementsByTagName('INPUT');
				return $A(options).any(function(elm) {
					return $F(elm);
				    });
			    }]
			]);