validateDate.js
Summary
No overview generated for 'validateDate.js'
Method Summary
|
static Object
|
isValidDate(day, month, year)
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static Object
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validateDate(form)
Check to see if fields are a valid date.
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function validateDate(form) {
var bValid = true;
var focusField = null;
var i = 0;
var fields = new Array();
oDate = eval('new ' + retrieveFormName(form) + '_DateValidations()');
for (x in oDate) {
var field = form[oDate[x][0]];
var value = field.value;
var isStrict = true;
var datePattern = oDate[x][2]("datePatternStrict");
if (datePattern == null) {
datePattern = oDate[x][2]("datePattern");
isStrict = false;
}
if ((field.type == 'hidden' ||
field.type == 'text' ||
field.type == 'textarea') &&
(value.length > 0) && (datePattern.length > 0) &&
field.disabled == false) {
var MONTH = "MM";
var DAY = "dd";
var YEAR = "yyyy";
var orderMonth = datePattern.indexOf(MONTH);
var orderDay = datePattern.indexOf(DAY);
var orderYear = datePattern.indexOf(YEAR);
if ((orderDay < orderYear && orderDay > orderMonth)) {
var iDelim1 = orderMonth + MONTH.length;
var iDelim2 = orderDay + DAY.length;
var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
if (iDelim1 == orderDay && iDelim2 == orderYear) {
dateRegexp = isStrict
? new RegExp("^(\\d{2})(\\d{2})(\\d{4})$")
: new RegExp("^(\\d{1,2})(\\d{1,2})(\\d{4})$");
} else if (iDelim1 == orderDay) {
dateRegexp = isStrict
? new RegExp("^(\\d{2})(\\d{2})[" + delim2 + "](\\d{4})$")
: new RegExp("^(\\d{1,2})(\\d{1,2})[" + delim2 + "](\\d{4})$");
} else if (iDelim2 == orderYear) {
dateRegexp = isStrict
? new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})(\\d{4})$")
: new RegExp("^(\\d{1,2})[" + delim1 + "](\\d{1,2})(\\d{4})$");
} else {
dateRegexp = isStrict
? new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{4})$")
: new RegExp("^(\\d{1,2})[" + delim1 + "](\\d{1,2})[" + delim2 + "](\\d{4})$");
}
var matched = dateRegexp.exec(value);
if(matched != null) {
if (!isValidDate(matched[2], matched[1], matched[3])) {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else if ((orderMonth < orderYear && orderMonth > orderDay)) {
var iDelim1 = orderDay + DAY.length;
var iDelim2 = orderMonth + MONTH.length;
var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
if (iDelim1 == orderMonth && iDelim2 == orderYear) {
dateRegexp = isStrict
? new RegExp("^(\\d{2})(\\d{2})(\\d{4})$")
: new RegExp("^(\\d{1,2})(\\d{1,2})(\\d{4})$");
} else if (iDelim1 == orderMonth) {
dateRegexp = isStrict
? new RegExp("^(\\d{2})(\\d{2})[" + delim2 + "](\\d{4})$")
: new RegExp("^(\\d{1,2})(\\d{1,2})[" + delim2 + "](\\d{4})$");
} else if (iDelim2 == orderYear) {
dateRegexp = isStrict
? new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})(\\d{4})$")
: new RegExp("^(\\d{1,2})[" + delim1 + "](\\d{1,2})(\\d{4})$");
} else {
dateRegexp = isStrict
? new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{4})$")
: new RegExp("^(\\d{1,2})[" + delim1 + "](\\d{1,2})[" + delim2 + "](\\d{4})$");
}
var matched = dateRegexp.exec(value);
if(matched != null) {
if (!isValidDate(matched[1], matched[2], matched[3])) {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else if ((orderMonth > orderYear && orderMonth < orderDay)) {
var iDelim1 = orderYear + YEAR.length;
var iDelim2 = orderMonth + MONTH.length;
var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
if (iDelim1 == orderMonth && iDelim2 == orderDay) {
dateRegexp = isStrict
? new RegExp("^(\\d{4})(\\d{2})(\\d{2})$")
: new RegExp("^(\\d{4})(\\d{1,2})(\\d{1,2})$");
} else if (iDelim1 == orderMonth) {
dateRegexp = isStrict
? new RegExp("^(\\d{4})(\\d{2})[" + delim2 + "](\\d{2})$")
: new RegExp("^(\\d{4})(\\d{1,2})[" + delim2 + "](\\d{1,2})$");
} else if (iDelim2 == orderDay) {
dateRegexp = isStrict
? new RegExp("^(\\d{4})[" + delim1 + "](\\d{2})(\\d{2})$")
: new RegExp("^(\\d{4})[" + delim1 + "](\\d{1,2})(\\d{1,2})$");
} else {
dateRegexp = isStrict
? new RegExp("^(\\d{4})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{2})$")
: new RegExp("^(\\d{4})[" + delim1 + "](\\d{1,2})[" + delim2 + "](\\d{1,2})$");
}
var matched = dateRegexp.exec(value);
if(matched != null) {
if (!isValidDate(matched[3], matched[2], matched[1])) {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
} else {
if (i == 0) {
focusField = field;
}
fields[i++] = oDate[x][1];
bValid = false;
}
}
}
if (fields.length > 0) {
focusField.focus();
alert(fields.join('\n'));
}
return bValid;
}
function isValidDate(day, month, year) {
if (month < 1 || month > 12) {
return false;
}
if (day < 1 || day > 31) {
return false;
}
if ((month == 4 || month == 6 || month == 9 || month == 11) &&
(day == 31)) {
return false;
}
if (month == 2) {
var leap = (year % 4 == 0 &&
(year % 100 != 0 || year % 400 == 0));
if (day>29 || (day == 29 && !leap)) {
return false;
}
}
return true;
}
Copyright ¬ 2000-2005 - Apache Software Foundation
Documentation generated by
JSDoc on Wed Nov 16 02:51:00 2005