javelin_primer.txt
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	epriestley
	Nov 9 2013, 1:45 AM

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javelin_primer.txt
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	////////////////////////////////////////////////////////////////////////////////
	// In PHP, rendering the page:

	$node_id = celerity_generate_unique_node_id();

	Javelin::initBehavior('live-log', array(
	'logContainerNodeID' => $node_id,
	'logID' => $log->getID(),
	));

	$node = javelin_tag(
	'div',
	array(
	'id' => $node_id,
	),
	pht('Loading...'));


	////////////////////////////////////////////////////////////////////////////////
	// In Javascript:

	/**
	* @provides javelin-behavior-live-log
	* @requires javelin-behavior
	* @javelin
	*/
	JX.behavior('live-log', function(config) {
	var containerNode = JX.$(config.logContainerNodeID);

	function refresh_node() {
	new JX.Request('/harbormaster/log/live/' + config.logID + '/')
	.setHandler(got_data)
	.start();
	}

	function got_data(r) {
	JX.DOM.setData(containerNode, JX.$H(r.markup));
	}

	// Refresh every 5 seconds.
	setInterval(refresh_node, 5000);
	});


	////////////////////////////////////////////////////////////////////////////////
	// Map the behavior:

	phabricator/ $ ./scripts/celerity_mapper.php webroot


	////////////////////////////////////////////////////////////////////////////////
	// In PHP, in the Ajax endpoint:

	$pretty_log = render_some_view();

	return id(new AphrontAjaxResponse())->setContent(
	array(
	'markup' => $pretty_log,
	));