// Title: Tigra Form Validator
// URL: http://www.softcomplex.com/products/tigra_form_validator/
// Version: 1.0
// Date: 06/24/2004 (mm/dd/yyyy)
// Notes: Registration needed to use this script legally. Visit official site for details.

// regular expressions or function to validate the format
var re_dt = /^(\d{1,2})\/(\d{1,2})\/(\d{4})$/;
var re_tm = /^(\d{1,2})\:(\d{1,2})\:(\d{1,2})$/;
var re_dtm = /^(\d{1,2})\/(\d{1,2})\/(\d{4})\ (\d{1,2})\:(\d{1,2})\:(\d{1,2})$/;

var a_formats =	{
							'alpha'   : /^[a-zA-Z\.\-]*$/,
							'alphanum': /^\w+$/,
							'unsigned': /^\d+$/,
							'integer' : /^[\+\-]?\d*$/,
							'float'   : /^[\+\-]?\d*\,?\d*$/,
						//	'real'	  : /^[\+\-]?\d*\,?\d*$/,
							'moeda'   : /^\d{1,3}(\.\d{3})*\,\d{2}$/,
							'email'   : /^[\w-\.]+\@[\w\.-]+\.[a-z]{2,4}$/,
							'phone'   : /^[\d\.\s\-]+$/,
							'date'    : function (s_date)
										{
											// check format
											if ( !re_dt.test( s_date ) )
											{
												return false;
											}
											// check allowed ranges
											//alert(RegExp.$3 );
											//alert(RegExp.$1 );
											//alert(RegExp.$2 );
											if (RegExp.$1 > 31 || RegExp.$2 > 12)
											{
												return false;
											}
											// check number of day in month
											var dt_test = new Date(RegExp.$3, Number(RegExp.$2-1), RegExp.$1);
											if (dt_test.getMonth() != Number(RegExp.$2-1))
												return false;
											return true;
										},

							'time'    : function validate_time(s_time)
										{
											// check format
											if (!re_tm.test(s_time))
												return false;
											// check allowed ranges
											if (RegExp.$1 > 23 || RegExp.$2 > 59 || RegExp.$3 > 59)
												return false;
											return true;
										},

							'datetime': function (s_datetime)
										{
											// check format
											if (!re_dtm.test(s_datetime))
											{
												return false;
											}
											// check allowed ranges
											//alert(RegExp.$3 );
											//alert(RegExp.$1 );
											//alert(RegExp.$2 );
											//alert(RegExp.$4 );
											//alert(RegExp.$5 );
											//alert(RegExp.$6 );

											if (RegExp.$1 > 31 || RegExp.$2 > 12)
											{
												return false;
											}

											// check number of day in month
											var dt_test = new Date(RegExp.$3, Number(RegExp.$2-1), RegExp.$1);

											if (dt_test.getMonth() != Number(RegExp.$2-1))
											{
												return false;
											}

											// check allowed ranges
											if (RegExp.$4 > 23 || RegExp.$5 > 59 || RegExp.$6 > 59)
											{
												return false;
											}

											return true;
										},
								//TODO: Immplementar validacao de imagem...
								'imagem': function(s_imagem)
								{
									if (/\.(gif|jpe?g|png|swf)$/i.test(s_imagem))
									{
										return true;
									}
									else
									{
										return false;
									}
								},

								'arquivo': function(s_file)
								{
									if(/\.(gif|jpe?g|png|swf|rar|zip|pdf|swf|doc|xls|ppt|odf|odt)$/i.test(s_file))
									{
										return true;
									}
									else
									{
										return false;
									}
								}
				}

var a_messages = [
							/*00*/ 	'No form name passed to validator construction routine',
							/*01*/	'No array of "%form%" form fields passed to validator construction routine',
							/*02*/	'Form "%form%" can not be found in this document',
							/*03*/	'Incomplete "%n%" form field descriptor entry. "l" attribute is missing',
							/*04*/	'Can not find form field "%n%" in the form "%form%"',
							/*05*/	'Can not find label tag (id="%t%")',
							/*06*/	'Can not verify match. Field "%m%" was not found',
							/*07*/	'O campo "%l%" precisa ser preenchido',
							/*08*/	'O campo "%l%" precisa ter no minimo %mn% caracteres',
							/*09*/	'O campo "%l%" não pode ser maior do que %mx% caracteres',
							/*10*/	'"%v%" não é um valor válido para o campo "%l%"',
							/*11*/	'"%l%" precisa ser igual à "%ml%"'
				]


var t;

// validator construction routine
function validator(s_form, a_fields, o_cfg)
{
	this.f_error = validator_error;
	this.f_alert = o_cfg && o_cfg.alert ? 	function(s_msg)
										 	{
												alert(s_msg);
												return false
											}
										: function()
											{
												return false
											};

	// check required parameters
	if (!s_form)
	{
		return this.f_alert( this.f_error( 0 ) );
	}
	this.s_form = s_form;

	if ( !a_fields || typeof( a_fields ) != 'object' )
	{
		return this.f_alert( this.f_error( 1 ) );
	}
	this.a_fields = a_fields;

	this.a_2disable = o_cfg && o_cfg['to_disable'] && typeof(o_cfg['to_disable']) == 'object' ? o_cfg['to_disable'] : [];
	this.exec = validator_exec;
}

// validator execution method
function validator_exec()
{
	var o_form = document.forms[this.s_form];

	if (!o_form)
	{
		return this.f_alert( this.f_error( 2 ) );
	}

	b_dom = document.body && document.body.innerHTML;

	// check integrity of the form fields description structure
	for( var n_key in this.a_fields )
	{
		// check input description entry

		this.a_fields[n_key]['n'] = n_key;

		if( !this.a_fields[n_key]['l'] )
		{
			return this.f_alert( this.f_error( 3, this.a_fields[n_key] ) );
		}
		o_input = o_form.elements[n_key];
		if( !o_input )
		{
			return this.f_alert( this.f_error( 4, this.a_fields[n_key] ) );
		}
		this.a_fields[n_key].o_input = o_input;
	}

	// reset labels highlight
	if( b_dom )
	{
		for( var n_key in this.a_fields )
		{
			if( this.a_fields[n_key]['t'] )
			{
				var s_labeltag = this.a_fields[n_key]['t'];
				var e_labeltag = get_element( s_labeltag );
				if ( !e_labeltag )
				{
					return this.f_alert( this.f_error( 5, this.a_fields[n_key] ) );
				}
				this.a_fields[n_key].o_tag = e_labeltag;
				// normal state parameters assigned here
				e_labeltag.className = 'forms_normal';
			}
		}
	}

	// collect values depending on the type of the input
	for (var n_key in this.a_fields)
	{
		o_input = this.a_fields[n_key].o_input;

		if ((o_input.value || o_input.checked) || (o_input.value != 'undefined')) // text, password, hidden, checkbox
		{
			this.a_fields[n_key]['v'] = o_input.value;
//		this.a_fields[n_key]['v'] = (o_input.value == 'undefined') ? null : o_input.value;
		}
		else if (o_input.options) // select
		{
			this.a_fields[n_key]['v'] = o_input.options[o_input.selectedIndex].value;
		}
		else if (o_input.length > 0) // radiobuton
		{
			for (var n_index = 0; n_index < o_input.length; n_index++)
			{
				if (o_input[n_index].checked)
				{
					this.a_fields[n_key]['v'] = o_input[n_index].value;
					break;
				}
			}
		}
	}

	// check for errors
	var n_errors_count = 0;
	var tab_first_error = '';
	var n_another;
	var o_format_check;
	for( var n_key in this.a_fields )
	{
		o_format_check = this.a_fields[n_key]['f'] && a_formats[this.a_fields[n_key]['f']] ? a_formats[this.a_fields[n_key]['f']] : null;


//		alert(String(this.a_fields[n_key]['v'])+ ' - ' + String(this.a_fields[n_key]['v']).length);

//	 reset previous error if any
		 this.a_fields[n_key].n_error = null;

		// check reqired fields
		if( this.a_fields[n_key]['r'] && !this.a_fields[n_key]['v'] )
		{
			this.a_fields[n_key].n_error = 1;
			n_errors_count++;
			tab_first_error = this.a_fields[n_key]['tab'];
		}
		// check length
		else if( this.a_fields[n_key]['mn'] && String( this.a_fields[n_key]['v'] ).length < this.a_fields[n_key]['mn'] )
		{
			this.a_fields[n_key].n_error = 2;
			n_errors_count++;
			tab_first_error = this.a_fields[n_key]['tab'];
		}
		else if( this.a_fields[n_key]['mx'] && String( this.a_fields[n_key]['v'] ).length > this.a_fields[n_key]['mx'] )
		{
			this.a_fields[n_key].n_error = 3;
			n_errors_count++;
			tab_first_error = this.a_fields[n_key]['tab'];
		}
		// check format
		else if( this.a_fields[n_key]['v'] && this.a_fields[n_key]['f'] && ( ( typeof( o_format_check ) == 'function' && !o_format_check( this.a_fields[n_key]['v'] ) )	|| ( typeof( o_format_check ) != 'function' && !o_format_check.test( this.a_fields[n_key]['v'] ) ) ) )
		{
			this.a_fields[n_key].n_error = 4;
			n_errors_count++;
			tab_first_error = this.a_fields[n_key]['tab'];
		}
		// check match
		else if( this.a_fields[n_key]['m'] )
		{
			for( var n_key2 in this.a_fields )
			{
				if( n_key2 == this.a_fields[n_key]['m'] )
				{
					n_another = n_key2;
					break;
				}
			}
			if( n_another == null )
			{
				return this.f_alert( this.f_error( 6, this.a_fields[n_key] ) );
			}
			if( this.a_fields[n_another]['v'] != this.a_fields[n_key]['v'] )
			{
				this.a_fields[n_key]['ml'] = this.a_fields[n_another]['l'];
				this.a_fields[n_key].n_error = 5;
				n_errors_count++;
				tab_first_error = this.a_fields[n_key]['tab'];
			}
		}
	}

	// collect error messages and highlight captions for errorneous fields
	var s_alert_message = '';
	var e_first_error;

	if( n_errors_count )
	{
		for( var n_key in this.a_fields )
		{
			var n_error_type = this.a_fields[n_key].n_error;
			var s_message = '';

			if( n_error_type )
			{
				s_message = this.f_error( n_error_type + 6, this.a_fields[n_key] );
			}

			if( s_message )
			{
				if( !e_first_error )
				{
					e_first_error = o_form.elements[n_key];
				}
				s_alert_message += s_message + "\n";
				// highlighted state parameters assigned here
				if( b_dom && this.a_fields[n_key].o_tag )
				{
					this.a_fields[n_key].o_tag.className = 'forms_erro';
				}
			}
		}
		alert(s_alert_message);

		// set focus to first errorneous field
		if( e_first_error )
		{
//			alert(e_first_error.name);
			if(this.a_fields[e_first_error.name]['tab'])
			{
				t.switchTo( this.a_fields[e_first_error.name]['tab'] );
			}
		}
		// cancel form submission if errors detected
		return false;
	}
	else
	{
		return true;
	}

	for( n_key in this.a_2disable )
	{
		if( o_form.elements[this.a_2disable[n_key]] )
		{
			o_form.elements[this.a_2disable[n_key]].disabled = true;
		}
	}
}

function validator_error(n_index)
{
	var s_ = a_messages[n_index];
	var n_i = 1
	var s_key;

	for( n_i; n_i < arguments.length; n_i++ )
	{
		for( s_key in arguments[n_i] )
		{
			s_ = s_.replace( '%' + s_key + '%', arguments[n_i][s_key] );
		}
	}
	s_ = s_.replace( '%form%', this.s_form );

	return s_;
}

function get_element ( s_id )
{
	return (document.all ? document.all[s_id] : ( document.getElementById ? document.getElementById( s_id ) : null ) );
}


function desabilitar( campo )
{
 	if( a_campos[campo] )
	{
	  a_campos[campo]['r'] = false;
	}

	if( t = get_element( 't_'+campo ) )
	{
		t.className = 'off';
	}

	t = get_element( campo );
	t.disabled = true;
	t.className = t.className + ' input_off';
}


function habilitar( campo )
{
	if( a_campos[campo] )
	{
	  a_campos[campo]['r'] = true;
	}
	if( t = get_element( 't_'+campo ) )
	{
  	t.className = '';
	}
	e = get_element( campo );
	e.disabled = false;
  e.className = e.className.replace(' off', '')
	//t.className = 'input_text';
}