# @controller
The @controller directive attaches a controller class to the component. The controller class must be registered in a module.
# Usage
Syntax
<component-name @controller="module-name:ControllerName">
# Example
This example demonstrates the directive syntax.
<html>
<template id="layout-template">
<webpdf>
<div>
<xbutton @controller="custom:MyController">Click me</xbutton>
</div>
<div class="fv__ui-body">
<viewer></viewer>
</div>
</webpdf>
</template>
</html>
<script>
UIExtension.PDFUI.module('custom', [])
.controller('MyController', {
handle: function() {
alert('Button click!');
}
});
var CustomAppearance = UIExtension.appearances.Appearance.extend({
getLayoutTemplate: function() {
return document.getElementById('layout-template').innerHTML;
},
disableAll: function(){}
});
var libPath = window.top.location.origin + '/lib';
var pdfui = new UIExtension.PDFUI({
viewerOptions: {
libPath: libPath,
jr: {
licenseSN: licenseSN,
licenseKey: licenseKey
}
},
renderTo: document.body,
appearance: CustomAppearance,
addons: []
});
</script>