Script vTiger CRM

scrip.js

  window.onload = function () {
    var N = navigator.appName,
      ua = navigator.userAgent,
      tem;
    var M = ua.match(
      /(opera|chrome|safari|firefox|msie)\/?\s*(\.?\d+(\.\d+)*)/i
    );
    if (M && (tem = ua.match(/version\/([\.\d]+)/i)) != null) M[2] = tem[1];
    M = M ? [M[1], M[2]] : [N, navigator.appVersion, "-?"];
    var browserName = M[0];
    var form = document.getElementById("__vtigerWebForm"),
      inputs = form.elements;
    form.onsubmit = function () {
      var required = [],
        att,
        val;
      for (var i = 0; i < inputs.length; i++) {
        att = inputs[i].getAttribute("required");
        val = inputs[i].value;
        type = inputs[i].type;
        if (type == "email") {
          if (val != "") {
            var elemLabel = inputs[i].getAttribute("label");
            var emailFilter =
              /^[_/a-zA-Z0-9]+([!"#$%&()*+,./:;<=>?\^_`{|}~-]?[a-zA-Z0-9/_/-])*@[a-zA-Z0-9]+([\_\-\.]?[a-zA-Z0-9]+)*\.([\-\_]?[a-zA-Z0-9])+(\.?[a-zA-Z0-9]+)?$/;
            var illegalChars = /[\(\)\<\>\,\;\:\"\[\]]/;
            if (!emailFilter.test(val)) {
              alert(
                "For " + elemLabel + " field please enter valid email address"
              );
              return false;
            } else if (val.match(illegalChars)) {
              alert(elemLabel + " field contains illegal characters");
              return false;
            }
          }
        }
        if (att != null) {
          if (val.replace(/^\s+|\s+$/g, "") == "") {
            required.push(inputs[i].getAttribute("label"));
          }
        }
      }
      if (required.length > 0) {
        alert("The following fields are required: " + required.join());
        return false;
      }
      var numberTypeInputs = document.querySelectorAll("input[type=number]");
      for (var i = 0; i < numberTypeInputs.length; i++) {
        val = numberTypeInputs[i].value;
        var elemLabel = numberTypeInputs[i].getAttribute("label");
        if (val != "") {
          var intRegex = /^[+-]?\d+$/;
          if (!intRegex.test(val)) {
            alert("For " + elemLabel + " field please enter valid number");
            return false;
          }
        }
      }
      var dateTypeInputs = document.querySelectorAll("input[type=date]");
      for (var i = 0; i < dateTypeInputs.length; i++) {
        dateVal = dateTypeInputs[i].value;
        var elemLabel = dateTypeInputs[i].getAttribute("label");
        if (dateVal != "") {
          var dateRegex =
            /^[1-9][0-9]{3}-(0[1-9]|1[0-2]|[1-9]{1})-(0[1-9]|[1-2][0-9]|3[0-1]|[1-9]{1})$/;
          if (!dateRegex.test(dateVal)) {
            alert(
              "For " +
                elemLabel +
                " field please enter valid date in required format"
            );
            return false;
          }
        }
      }
      var inputElems = document.getElementsByTagName("input");
      var totalFileSize = 0;
      for (var i = 0; i < inputElems.length; i++) {
        if (inputElems[i].type.toLowerCase() === "file") {
          var file = inputElems[i].files[0];
          if (typeof file !== "undefined") {
            var totalFileSize = totalFileSize + file.size;
          }
        }
      }
      if (totalFileSize > 52428800) {
        alert("Maximum allowed file size including all files is 50MB.");
        return false;
      }
    };
  };