ConpherenceThreadListView.php
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	<?php

	final class ConpherenceThreadListView extends AphrontView {

	private $baseURI;
	private $threads;
	private $scrollUpParticipant;
	private $scrollDownParticipant;

	public function setThreads(array $threads) {
	assert_instances_of($threads, 'ConpherenceThread');
	$this->threads = $threads;
	return $this;
	}

	public function setScrollUpParticipant(
	ConpherenceParticipant $participant) {
	$this->scrollUpParticipant = $participant;
	return $this;
	}

	public function setScrollDownParticipant(
	ConpherenceParticipant $participant) {
	$this->scrollDownParticipant = $participant;
	return $this;
	}

	public function setBaseURI($base_uri) {
	$this->baseURI = $base_uri;
	return $this;
	}

	public function render() {
	require_celerity_resource('conpherence-menu-css');

	$menu = id(new PHUIListView())
	->addClass('conpherence-menu')
	->setID('conpherence-menu');

	$this->addThreadsToMenu($menu, $this->threads);

	return $menu;
	}

	public function renderSingleThread(ConpherenceThread $thread) {
	return $this->renderThread($thread);
	}

	public function renderThreadsHTML() {
	$thread_html = array();

	if ($this->scrollUpParticipant->getID()) {
	$thread_html[] = $this->getScrollMenuItem(
	$this->scrollUpParticipant,
	'up');
	}

	foreach ($this->threads as $thread) {
	$thread_html[] = $this->renderSingleThread($thread);
	}

	if ($this->scrollDownParticipant->getID()) {
	$thread_html[] = $this->getScrollMenuItem(
	$this->scrollDownParticipant,
	'down');
	}

	return phutil_implode_html('', $thread_html);
	}

	private function renderThreadItem(ConpherenceThread $thread) {
	return id(new PHUIListItemView())
	->setType(PHUIListItemView::TYPE_CUSTOM)
	->setName($this->renderThread($thread));
	}

	private function renderThread(ConpherenceThread $thread) {
	$user = $this->getUser();

	$uri = $this->baseURI.$thread->getID().'/';
	$data = $thread->getDisplayData($user);
	$title = $data['title'];
	$subtitle = $data['subtitle'];
	$unread_count = $data['unread_count'];
	$epoch = $data['epoch'];
	$image = $data['image'];
	$dom_id = $thread->getPHID().'-nav-item';

	return id(new ConpherenceMenuItemView())
	->setUser($user)
	->setTitle($title)
	->setSubtitle($subtitle)
	->setHref($uri)
	->setEpoch($epoch)
	->setImageURI($image)
	->setUnreadCount($unread_count)
	->setID($thread->getPHID().'-nav-item')
	->addSigil('conpherence-menu-click')
	->setMetadata(
	array(
	'title' => $data['js_title'],
	'id' => $dom_id,
	'threadID' => $thread->getID(),
	));
	}

	private function addThreadsToMenu(
	PHUIListView $menu,
	array $conpherences) {

	if ($this->scrollUpParticipant->getID()) {
	$item = $this->getScrollMenuItem($this->scrollUpParticipant, 'up');
	$menu->addMenuItem($item);
	}

	foreach ($conpherences as $conpherence) {
	$item = $this->renderThreadItem($conpherence);
	$menu->addMenuItem($item);
	}

	if (empty($conpherences)) {
	$menu->addMenuItem($this->getNoConpherencesMenuItem());
	}

	if ($this->scrollDownParticipant->getID()) {
	$item = $this->getScrollMenuItem($this->scrollDownParticipant, 'down');
	$menu->addMenuItem($item);
	}

	return $menu;
	}

	public function getScrollMenuItem(
	ConpherenceParticipant $participant,
	$direction) {

	if ($direction == 'up') {
	$name = pht('Load Newer Threads');
	} else {
	$name = pht('Load Older Threads');
	}
	$item = id(new PHUIListItemView())
	->addSigil('conpherence-menu-scroller')
	->setName($name)
	->setHref($this->baseURI)
	->setType(PHUIListItemView::TYPE_BUTTON)
	->setMetadata(array(
	'participant_id' => $participant->getID(),
	'conpherence_phid' => $participant->getConpherencePHID(),
	'date_touched' => $participant->getDateTouched(),
	'direction' => $direction));
	return $item;
	}

	private function getNoConpherencesMenuItem() {
	$message = phutil_tag(
	'div',
	array(
	'class' => 'no-conpherences-menu-item'
	),
	pht('No conpherences.'));

	return id(new PHUIListItemView())
	->setType(PHUIListItemView::TYPE_CUSTOM)
	->setName($message);
	}

	}

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