pjs/webtools/litmus/js/FormValidation.js

564 строки
15 KiB
JavaScript

var iBugNumber = "This field must be a valid, positive integer (>0). Please re-enter it now.";
var iNumber = iBugNumber;
var iEmail = "This field must be a valid email address (like foo@bar.com). Please re-enter it now.";
var iBuildId = "This field must be a valid build ID, which is a non-zero string of 10 digits. Please follow the 'How do I determine the build ID?' link for more information.";
var iTimestamp = "This field must be a valid timestamp, which is a non-zero string of 14 digits in the format: YYMMDDHHmmSS.";
var iPasswordMismatch = "The passwords you entered did not match.";
var iPasswordLength = "Your password must be longer than 4 characters.";
var defaultEmptyOK = false;
var mPrefix = "You did not enter a value into the ";
var mSuffix = " field. This is a required field. Please enter it now.";
var whitespace = " \t\n\r";
// Check whether string s is empty.
function isEmpty(s)
{
return ((s == null) || (s.length == 0));
}
// Returns true if string s is empty or
// whitespace characters only.
function isWhitespace (s)
{
var i;
// Is s empty?
if (isEmpty(s)) return true;
// Search through string's characters one by one
// until we find a non-whitespace character.
// When we do, return false; if we don't, return true.
for (i = 0; i < s.length; i++) {
// Check that current character isn't whitespace.
var c = s.charAt(i);
if (whitespace.indexOf(c) == -1) return false;
}
// All characters are whitespace.
return true;
}
// Returns true if character c is a digit
// (0 .. 9).
function isDigit (c)
{
return ((c >= "0") && (c <= "9"));
}
// Notify user that required field theField is empty.
// String s describes expected contents of theField.value.
// Put focus in theField and return false.
function warnEmpty (theField, s)
{
theField.focus();
toggleMessage('failure',mPrefix + s + mSuffix);
return false;
}
// Notify user that contents of field theField are invalid.
// String s describes expected contents of theField.value.
// Put select theField, put focus in it, and return false.
function warnInvalid (theField, s)
{
theField.focus();
if (!/select/.test(theField.type)) {
theField.select();
}
toggleMessage('failure',s);
return false;
}
// isEmail (STRING s [, BOOLEAN emptyOK])
//
// Email address must be of form a@b.c -- in other words:
// * there must be at least one character before the @
// * there must be at least one character before and after the .
// * the characters @ and . are both required
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
function isEmail (s)
{
if (isEmpty(s)) {
if (isEmail.arguments.length == 1) {
return defaultEmptyOK;
} else {
return (isEmail.arguments[1] == true);
}
}
// is s whitespace?
if (isWhitespace(s)) {
return false;
}
// there must be >= 1 character before @, so we
// start looking at character position 1
// (i.e. second character)
var i = 1;
var sLength = s.length;
// look for @
while ((i < sLength) && (s.charAt(i) != "@")) {
i++;
}
if ((i >= sLength) || (s.charAt(i) != "@")) {
return false;
} else {
i += 2;
}
// look for .
while ((i < sLength) && (s.charAt(i) != ".")) {
i++;
}
// there must be at least one character after the .
if ((i >= sLength - 1) || (s.charAt(i) != ".")) {
return false;
} else {
return true;
}
}
// checkString (TEXTFIELD theField, STRING s, [, BOOLEAN emptyOK==false])
//
// Check that string theField.value is not all whitespace.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
function checkString (theField, s, emptyOK)
{
// Next line is needed on NN3 to avoid "undefined is not a number" error
// in equality comparison below.
if (checkString.arguments.length == 2) {
emptyOK = defaultEmptyOK;
}
if ((emptyOK == true) && (isEmpty(theField.value))) {
return true;
}
if (isWhitespace(theField.value)) {
return warnEmpty(theField, s);
} else {
return true;
}
}
// checkEmail (TEXTFIELD theField [, BOOLEAN emptyOK==false])
//
// Check that string theField.value is a valid Email.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
function checkEmail (theField, emptyOK)
{
if (checkEmail.arguments.length == 1) {
emptyOK = defaultEmptyOK;
}
if ((emptyOK == true) && (isEmpty(theField.value))) {
return true;
} else {
if (!isEmail(theField.value, false)) {
return warnInvalid (theField, iEmail);
} else {
return true;
}
}
}
function comparePasswords(password1, password2, emptyOK)
{
if (comparePasswords.arguments.length == 2) {
emptyOK = defaultEmptyOK;
}
if (emptyOK == true &&
isEmpty(password1.value) &&
isEmpty(password2.value)) {
return true;
}
if (isWhitespace(password1.value)) {
return warnEmpty(password1, "Password");
}
if (isWhitespace(password2.value)) {
return warnEmpty(password2, "Confirm Password");
}
if (password1.value.length < 5) {
return warnInvalid (password1, iPasswordLength);
}
if (password1.value != password2.value) {
password1.value="";
password2.value="";
return warnInvalid (password1, iPasswordMismatch);
}
return true;
}
// checkBuildId (TEXTFIELD theField [, BOOLEAN emptyOK==false])
//
// Check that string theField.value is a valid build id.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
function checkBuildId (theField, emptyOK)
{
if (checkBuildId.arguments.length == 1) {
emptyOK = defaultEmptyOK;
}
if ((emptyOK == true) && (isEmpty(theField.value))) {
return true;
} else {
if (!/^\d{10,10}$/.test(theField.value) || theField.value == '0000000000') {
return warnInvalid (theField, iBuildId);
} else {
return true;
}
}
}
// checkTimestamp (TEXTFIELD theField [, BOOLEAN emptyOK==false])
//
// Check that string theField.value is a valid timestamp.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
function checkTimestamp (theField, emptyOK)
{
if (checkTimestamp.arguments.length == 1) {
emptyOK = defaultEmptyOK;
}
if ((emptyOK == true) && (isEmpty(theField.value))) {
return true;
} else {
if (!/^\d{14,14}$/.test(theField.value) || theField.value == '00000000000000') {
return warnInvalid (theField, iTimestamp);
} else {
return true;
}
}
}
// checkNumber (TEXTFIELD theField [, BOOLEAN emptyOK==false])
//
// Check that string theField.value is a valid, positive integer.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
function checkNumber (theField, emptyOK)
{
if (checkNumber.arguments.length == 1) {
emptyOK = defaultEmptyOK;
}
if (isPositiveInteger(theField.value,emptyOK)) {
return true;
} else {
return warnInvalid (theField, iNumber);
}
}
// isInteger (STRING s [, BOOLEAN emptyOK])
//
// Returns true if all characters in string s are numbers.
//
// Accepts non-signed integers only. Does not accept floating
// point, exponential notation, etc.
//
// We don't use parseInt because that would accept a string
// with trailing non-numeric characters.
//
// By default, returns defaultEmptyOK if s is empty.
// There is an optional second argument called emptyOK.
// emptyOK is used to override for a single function call
// the default behavior which is specified globally by
// defaultEmptyOK.
// If emptyOK is false (or any value other than true),
// the function will return false if s is empty.
// If emptyOK is true, the function will return true if s is empty.
//
// EXAMPLE FUNCTION CALL: RESULT:
// isInteger ("5") true
// isInteger ("") defaultEmptyOK
// isInteger ("-5") false
// isInteger ("", true) true
// isInteger ("", false) false
// isInteger ("5", false) true
function isInteger (s)
{
var i;
if (isEmpty(s))
if (isInteger.arguments.length == 1) return defaultEmptyOK;
else return (isInteger.arguments[1] == true);
// Search through string's characters one by one
// until we find a non-numeric character.
// When we do, return false; if we don't, return true.
for (i = 0; i < s.length; i++)
{
// Check that current character is number.
var c = s.charAt(i);
if (!isDigit(c)) return false;
}
// All characters are numbers.
return true;
}
// isSignedInteger (STRING s [, BOOLEAN emptyOK])
//
// Returns true if all characters are numbers;
// first character is allowed to be + or - as well.
//
// Does not accept floating point, exponential notation, etc.
//
// We don't use parseInt because that would accept a string
// with trailing non-numeric characters.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
//
// EXAMPLE FUNCTION CALL: RESULT:
// isSignedInteger ("5") true
// isSignedInteger ("") defaultEmptyOK
// isSignedInteger ("-5") true
// isSignedInteger ("+5") true
// isSignedInteger ("", false) false
// isSignedInteger ("", true) true
function isSignedInteger (s)
{
if (isEmpty(s))
if (isSignedInteger.arguments.length == 1) return defaultEmptyOK;
else return (isSignedInteger.arguments[1] == true);
else {
var startPos = 0;
var secondArg = defaultEmptyOK;
if (isSignedInteger.arguments.length > 1)
secondArg = isSignedInteger.arguments[1];
// skip leading + or -
if ( (s.charAt(0) == "-") || (s.charAt(0) == "+") )
startPos = 1;
return (isInteger(s.substring(startPos, s.length), secondArg));
}
}
// isPositiveInteger (STRING s [, BOOLEAN emptyOK])
//
// Returns true if string s is an integer > 0.
//
// For explanation of optional argument emptyOK,
// see comments of function isInteger.
function isPositiveInteger (s)
{
var secondArg = defaultEmptyOK;
if (isPositiveInteger.arguments.length > 1)
secondArg = isPositiveInteger.arguments[1];
// The next line is a bit byzantine. What it means is:
// a) s must be a signed integer, AND
// b) one of the following must be true:
// i) s is empty and we are supposed to return true for
// empty strings
// ii) this is a positive, not negative, number
return (isSignedInteger(s, secondArg)
&& ( (isEmpty(s) && secondArg) || (parseInt (s) > 0) ) );
}
function verifySelected(theField, fieldName) {
if (theField &&
theField.selectedIndex &&
theField.selectedIndex >= 0 &&
theField.options[theField.selectedIndex].value != '' &&
theField.options[theField.selectedIndex].value != '---') {
return true;
} else {
return warnInvalid (theField, 'You must select an option for ' + fieldName + '. Please make a selection now.');
}
}
function verifySelectNotEmpty(selectBox, message) {
if (selectBox.options.length > 0) {
// We just need to find one option with a non-empty value.
var ems = selectBox.getElementsByTagName('option');
for (var i in ems) {
if (!isEmpty(ems[i].value)) {
return true;
}
}
}
return warnInvalid (selectBox, message + ' Please make a selection now.');
}
// Make sure a radio box has a value checked.
function checkRadio(theField, fieldName, allowZeroValue) {
if (checkRadio.arguments.length == 2) {
allowZeroValue = true;
}
for (i = 0; i < theField.length; i++) {
if (theField[i].checked) {
if (allowZeroValue) {
return true;
} else {
if (theField[i].value != 0) {
return true;
}
}
}
}
if (theField[0]) {
var message;
if (allowZeroValue) {
message = 'You must select an option for ' + fieldName + '. Please make a selection now.'
} else {
message = 'You must select a non-zero option for ' + fieldName + '. Please make a selection now.'
}
return warnInvalid (theField[0], message);
}
}
function toggleMessage(msgType,msg,timeout) {
var em = document.getElementById("message");
if (toggleMessage.arguments.length < 1) {
em.innerHTML="";
em.style.display = 'none';
return;
}
if (typeof(timeout) == "undefined") {
timeout=5000;
}
switch (msgType) {
case "loading":
if (typeof(msg) == "undefined" || msg == '') {
msg = 'Loading...';
}
em.innerHTML = '<div class="loading">'+msg+'</div>';
em.style.display = 'block';
break;
case "info":
em.innerHTML = '<div class="info">'+msg+'</div>';
em.style.display = 'block';
setTimeout('toggleMessage()',timeout);
break;
case "success":
em.innerHTML = '<div class="success">'+msg+'</div>';
em.style.display = 'block';
setTimeout('toggleMessage()',timeout);
break;
case "failure":
em.innerHTML = '<div class="failure">'+msg+'</div>';
em.style.display = 'block';
setTimeout('toggleMessage()',timeout);
break;
case "none":
default:
em.innerHTML="";
em.style.display = 'none';
return;
break;
}
}
function enableForm(formid) {
var f = document.getElementById(formid);
var ems = f.getElementsByTagName('input');
for (var i in ems) {
if (typeof(ems[i]) == 'object') {
ems[i].disabled=false;
}
}
ems = f.getElementsByTagName('select');
for (var i in ems) {
if (typeof(ems[i]) == 'object') {
ems[i].disabled=false;
}
}
ems = f.getElementsByTagName('textarea');
for (var i in ems) {
if (typeof(ems[i]) == 'object') {
ems[i].disabled=false;
}
}
}
function disableForm(formid) {
var f = document.getElementById(formid);
var ems = f.getElementsByTagName('input');
for (var i in ems) {
if (typeof(ems[i]) == 'object') {
ems[i].disabled=true;
}
}
ems = f.getElementsByTagName('select');
for (var i in ems) {
if (typeof(ems[i]) == 'object') {
ems[i].disabled=true;
}
}
ems = f.getElementsByTagName('textarea');
for (var i in ems) {
if (typeof(ems[i]) == 'object') {
ems[i].disabled=true;
}
}
}
function blankForm(formid) {
var f = document.getElementById(formid);
var ems = f.getElementsByTagName('input');
for (var i in ems) {
if (typeof(ems[i]) != 'object' ||
ems[i].type == 'submit' ||
ems[i].value == 'Reset' ||
ems[i].type == 'radio' ||
ems[i].type == 'checkbox' ||
ems[i].type == 'button') {
continue;
}
ems[i].value='';
ems[i].checked=false;
}
ems = f.getElementsByTagName('select');
for (var i in ems) {
ems[i].selectedIndex=0;
}
ems = f.getElementsByTagName('textarea');
for (var i in ems) {
ems[i].value='';
}
}
function removeRowFromTable(tblName) {
var tbl = document.getElementById(tblName);
var lastRow = tbl.rows.length;
if (lastRow > 2) tbl.deleteRow(lastRow - 1);
}
function resetTable(tblName) {
var tbl = document.getElementById(tblName);
var lastRow = tbl.rows.length;
while (tbl.rows.length > 1) {
tbl.deleteRow(tbl.rows.length - 1);
}
}