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dynamic-totals.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery validation plug-in - dynamic forms demo</title>
<link rel="stylesheet" media="screen" href="css/screen.css">
<script src="../lib/jquery.js"></script>
<script src="../dist/jquery.validate.js"></script>
<script>
// only for demo purposes
$.validator.setDefaults({
submitHandler: function() {
alert("submitted!");
}
});
$.validator.messages.max = jQuery.validator.format("Your totals mustn't exceed {0}!");
$.validator.addMethod("quantity", function(value, element) {
return !this.optional(element) && !this.optional($(element).parent().prev().children("select")[0]);
}, "Please select both the item and its amount.");
$().ready(function() {
$("#orderform").validate({
errorPlacement: function(error, element) {
error.appendTo(element.parent().next());
},
highlight: function(element, errorClass) {
$(element).addClass(errorClass).parent().prev().children("select").addClass(errorClass);
}
});
var template = jQuery.validator.format($.trim($("#template").val()));
function addRow() {
$(template(i++)).appendTo("#orderitems tbody");
}
var i = 1;
// start with one row
addRow();
// add more rows on click
$("#add").click(addRow);
// check keyup on quantity inputs to update totals field
$("#orderform").validateDelegate("input.quantity", "keyup", function(event) {
var totals = 0;
$("#orderitems input.quantity").each(function() {
totals += +this.value;
});
$("#totals").attr("value", totals).valid();
});
});
</script>
<style>
form.cmxform {
width: 50em;
}
em.error {
background:url("images/unchecked.gif") no-repeat 0px 0px;
padding-left: 16px;
}
em.success {
background:url("images/checked.gif") no-repeat 0px 0px;
padding-left: 16px;
}
form.cmxform label.error {
margin-left: auto;
width: 250px;
}
form.cmxform input.submit {
margin-left: 0;
}
em.error {
color: black;
}
#warning {
display: none;
}
select.error {
border: 1px dotted red;
}
</style>
</head>
<body>
<h1 id="banner"><a href="http://jqueryvalidation.org/">jQuery Validation Plugin</a> Demo</h1>
<div id="main">
<textarea style="display:none" id="template">
<tr>
<td>
<label>{0}. Item</label>
</td>
<td class='type'>
<select name="item-type-{0}">
<option value="">Select...</option>
<option value="0">Learning jQuery</option>
<option value="1">jQuery Reference Guide</option>
<option value="2">jQuery Cookbook</option>
<option vlaue="3">jQuery In Action</option>
<option value="4">jQuery For Designers</option>
</select>
</td>
<td class='quantity'>
<input size='4' class="quantity" min="1" id="item-quantity-{0}" name="item-quantity-{0}">
</td>
<td class='quantity-error'></td>
</tr>
</textarea>
<form id="orderform" class="cmxform" method="get" action="foo.html">
<h2 id="summary"></h2>
<fieldset>
<legend>Example with custom methods and heavily customized error display</legend>
<table id="orderitems">
<tbody>
</tbody>
<tfoot>
<tr>
<td colspan="2">
<label>Totals (max 25)</label>
</td>
<td class="totals">
<input id="totals" name="totals" value="0" max="25" readonly="readonly" size='4'>
</td>
<td class="totals-error"></td>
</tr>
<tr>
<td colspan="2"> </td>
<td>
<input class="submit" type="submit" value="Submit">
</td>
</tr>
</tfoot>
</table>
</fieldset>
</form>
<button id="add">Add another input to the form</button>
<h1 id="warning">Your form contains tons of errors! Please try again.</h1>
<p><a href="index.html">Back to main page</a>
</p>
</div>
</body>
</html>