/****************************************/ /* Project: */ /* Date: MMM/dd/yy */ /* Customer: */ /* */ /* Company: Desarrollos Web */ /* URL: www.desarrollosweb.com */ /* Author: René Gallardo */ /* Description: deweb JS */ /****************************************/ /* ------------ Funciones para creacion de ventanas */ /** Crea una ventana tipo pop up * @param url direccion URL de la página a abrir * @param name Nombre que se le dará a la ventana * @param popW ancho de la ventana (num. entero) * @param popH alto de la ventana (num. entero) * @param scroll si va a llevar scroll la ventana o no ('yes', 'no') */ function popup(url, name, popW, popH, scroll) { // V 1.0 var winleft = (screen.width - popW) / 2; var winUp = (screen.height - popH) / 2; winProp = 'width='+popW+',height='+popH+',left='+winleft+',top='+winUp+',scrollbars='+scroll+',resizable,menubar=no,location=no'; Win = window.open(url, name, winProp); if (parseInt(navigator.appVersion) >= 4) { Win.window.focus(); } } var child = null; /** Crea una ventana tipo pop up * @param URL de la página a abrir * @param Nombre que se le dará a la ventana * @param ancho de la ventana (num. entero) * @param alto de la ventana (num. entero) * @param si va a llevar scroll la ventana o no ('yes', 'no') */ function openWindow(page, windowID, height, width, scroll){ var winleft = (screen.width - width) / 2; var winUp = (screen.height - height) / 2; winProp = 'width='+width+',height='+height+',left='+winleft+',top='+winUp+',scrollbars='+scroll+',resizable,menubar=no,location=no'; child = window.open(page, windowID, winProp); } /** Esta funcion debe ir en el evento onFocus de la ventana padre * donde se pretende que no se muestre si un pop up aun esta abierta * () * y se debe utilizar la funcion 'openWindow' */ function keep_child_on_top(){ if (child != null){ if (child.closed) child = null; else child.focus(); } } /* ------------ Funciones para validaciones de números */ /** Valida que una cadena sea un número entero valido * @param sText cadena a validar */ function IsInteger(sText) { var ValidChars = "0123456789-"; var IsNumber=true; var Char; for (i = 0; i < sText.length && IsNumber == true; i++) { Char = sText.charAt(i); if (ValidChars.indexOf(Char) == -1) { IsNumber = false; } } return IsNumber; } /** Verifica que la cadena sea un numero valido * @param sNumber cadena a validar */ function IsValidNumber(sNumber) { if (!((sNumber.charAt(0) == '-') || (IsDigit(sNumber.charAt(0))) || (sNumber.charAt(0) == '.'))) return false; if (!(HasDigit(sNumber))) return false; if (sNumber.charAt(0) == '-') sNumber = sNumber.substring(1, sNumber.length); if (!((IsDigit(sNumber.charAt(0))) || (sNumber.charAt(0) == '.'))) return false; if (IsDigit(sNumber.charAt(0))) { for (i = 1; i < sNumber.length; i++) { if (!(IsDigit(sNumber.charAt(i))) && sNumber.charAt(i) != '.') return false; if (sNumber.charAt(i) == '.') { sNumber = sNumber.substring(i, sNumber.length); break; } } } if (sNumber.charAt(0) == '.') { for (i = 1; i < sNumber.length; i++) if (!(IsDigit(sNumber.charAt(i)))) return false; } return true; } /** Verifica que el caracter que se le pasa sea un digito * @param cDigit caracter a validar */ function IsDigit (cDigit) { var digits = "0123456789"; if (digits.indexOf(cDigit) == -1) return false; return true; } /** Verifica que la cadena sean puros digitos (0 - 9) * @param sNumber cadena a validar */ function HasDigit(sNumber) { for (i=0; i < sNumber.length; i++){ if (IsDigit(sNumber.charAt(i))) return true; } return false; } /* ------------ Funciones para validaciones de números */ /** Verifica que la cadena sea una fecha valida segun el parametro habilitado * @param dateStr fecha a validar */ function isValidDate(dateStr) { //var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/; //mm/dd/yyyy //var datePat = /^(\d{4})(\/|-)(\d{1,2})\2(\d{1,2})$/; //yyyy/mm/dd var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/; //dd/mm/yyyy var matchArray = dateStr.match(datePat); if (matchArray == null) { // alert("La fecha " + dateStr + " no tiene un formato válido.\n El formato es dd/mm/yyyy" ) return false; } day = matchArray[1]; month = matchArray[3]; year = matchArray[4]; if(dateStr.length != 10){ // alert("La fecha " + dateStr + " no tiene un formato válido.\n El formato es dd/mm/yyyy" ) return false; } if (month < 1 || month > 12) { // alert("El Mes debe estar entre 1 y 12."); return false; } if (day < 1 || day > 31) { // alert("El Dia debe estar entre 1 y 31."); return false; } if ((month==4 || month==6 || month==9 || month==11) && day==31) { // alert("El mes "+month+" no tiene 31 dias!") return false; } if (month == 2) { var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)); if (day>29 || (day==29 && !isleap)) { // alert("Febrero del " + year + " no tiene " + day + " dias!"); return false; } } return true; } /* ------------ Funciones para validaciones de cadenas */ /** Valida que una cadena sea una estructura de email valida * @param sText cadena a validar */ function IsEmail(sText){ var p, val; val = sText; p = val.indexOf('@'); if (p < 1 || p == (val.length - 1)){ return false; } return true; } /** Valida que una cadena sea un valida para login * @param sText cadena a validar */ function IsLogin(sText){ var ValidChars = "0123456789ABCDEFGHIJKLMNŃOPQRSTUVWXYZabcdefghijklmnńopkrstuvwxyz"; var IsValid = true; var Char; for (i = 0; i < sText.length && IsValid == true; i++){ Char = sText.charAt(i); if (ValidChars.indexOf(Char) == -1){ IsValid = false; } } return IsValid; } /* ================================================================== LTrim(string) : Returns a copy of a string without leading spaces. ================================================================== */ function LTrim(str) /* PURPOSE: Remove leading blanks from our string. IN: str - the string we want to LTrim */ { var whitespace = new String(" \t\n\r"); var s = new String(str); if (whitespace.indexOf(s.charAt(0)) != -1) { // We have a string with leading blank(s)... var j=0, i = s.length; // Iterate from the far left of string until we // don't have any more whitespace... while (j < i && whitespace.indexOf(s.charAt(j)) != -1) j++; // Get the substring from the first non-whitespace // character to the end of the string... s = s.substring(j, i); } return s; } /* ================================================================== RTrim(string) : Returns a copy of a string without trailing spaces. ================================================================== */ function RTrim(str) /* PURPOSE: Remove trailing blanks from our string. IN: str - the string we want to RTrim */ { // We don't want to trip JUST spaces, but also tabs, // line feeds, etc. Add anything else you want to // "trim" here in Whitespace var whitespace = new String(" \t\n\r"); var s = new String(str); if (whitespace.indexOf(s.charAt(s.length-1)) != -1) { // We have a string with trailing blank(s)... var i = s.length - 1; // Get length of string // Iterate from the far right of string until we // don't have any more whitespace... while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1) i--; // Get the substring from the front of the string to // where the last non-whitespace character is... s = s.substring(0, i+1); } return s; } /* ============================================================= Trim(string) : Returns a copy of a string without leading or trailing spaces ============================================================= */ function Trim(str) /* PURPOSE: Remove trailing and leading blanks from our string. IN: str - the string we want to Trim RETVAL: A Trimmed string! */ { return RTrim(LTrim(str)); }