parsleyjs
Version:
Validate your forms, frontend, without writing a single line of javascript!
170 lines (143 loc) • 7.07 kB
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<meta name="description" content="Parsley, the ultimate frontend javascript form validation library">
<meta name="author" content="Guillaume Potier">
<title>Parsley - Examples | Validators</title>
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<style class="example">
.first {
padding-left: 15px;
border-left: 2px solid #FF851B;
}
.second {
padding-left: 15px;
border-left: 2px solid #5bc0de;
}
.validate {
margin-top: 10px;
}
h4 {
margin-bottom: 10px;
}
.invalid-form-error-message {
margin-top: 10px;
padding: 5px;
}
.invalid-form-error-message.filled {
border-left: 2px solid red;
}
</style>
</head>
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<h3 class="text-muted"><a href="../../">Parsley</a></h3>
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<div class="row">
<!-- ###################### BEGINNING OF EXAMPLE ######################-->
<div class="col-md-4">
<h2>Parsley Validator Demo</h2>
<small class="pull-left"><a href="../examples.html"><< Back to examples</a>
— <a href="#" class="play">Try it on CodePen</a>
</small>
<span class="clearfix"></span>
<hr></hr>
<div class="form-group example">
<h4>Correctly fill at least one of these blocks</h4>
<form class="demo-form">
<div data-parsley-check-children="2" data-parsley-validate-if-empty>
<div class="first">
<label for="firstname">Firstname:</label>
<input type="text" class="form-control" name="firstname" data-parsley-length="[4, 20]" data-parsley-group="block-1" />
<label for="lastname">Lastname:</label>
<input type="text" class="form-control" name="lastname" data-parsley-length="[4, 20]" data-parsley-group="block-1" />
</div>
<hr></hr>
<div class="second">
<label for="fullname">Fullname:</label>
<input type="text" class="form-control" name="fullname" data-parsley-length="[8, 40]" data-parsley-group="block-2" />
</div>
</div>
<input type="submit" class="btn btn-default validate" />
</form>
</div>
<div class="explanation">
<p>This example uses a trick. It uses a <tt><div></tt> tag like if it was an input. That input uses a custom validator that succeeds only if one of the groups (here <tt>"block-1"</tt> and <tt>"block-2"</tt>) validate with the <tt>force</tt> option set.
</p>
<p>Note that the <tt><div></tt> contains the fields in question. This way, events like <tt>change</tt> or <tt>input</tt> generated when the user fills in these fields will bubble up to the div and revalidate the custom field.
</p>
</div>
</div>
<div class="col-md-8">
<div class="code-block">
<pre><code class="example">
</code></pre>
</div>
</div>
</div>
<!-- ###################### END OF EXAMPLE ######################-->
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<script type="text/javascript" src="../../bower_components/jquery/dist/jquery.min.js"></script>
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<script type="text/javascript" src="../../dist/parsley.js"></script>
<script type="text/javascript" class="example">
$(function () {
Parsley.addValidator('checkChildren', {
messages: {en: 'You must correctly fill at least one of these blocks!'},
requirementType: 'integer',
validate: function(_value, requirement, instance) {
for(var i = 1; i <= requirement; i++)
if (instance.parent.isValid({group: 'block-' + i, force: true}))
return true; // One section is filled, this check is valid
return false; // No section is filled, this validation fails
}
});
Parsley.on('form:submit', function() {
alert("The form would be submitted at this point. " +
"For this demo, we interrupt the processing.");
return false; // Don't submit for this demo
});
$('.demo-form').parsley({
inputs: Parsley.options.inputs + ',[data-parsley-check-children]'
});
});
</script>
<script type="text/javascript" src="../assets/example.js"></script>
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