AphrontFormHandlesControl.php
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	<?php

	final class AphrontFormHandlesControl extends AphrontFormControl {

	private $isInvisible;

	protected function getCustomControlClass() {
	return 'aphront-form-control-handles';
	}

	public function setIsInvisible($is_invisible) {
	$this->isInvisible = $is_invisible;
	return $this;
	}

	public function getIsInvisible() {
	return $this->isInvisible;
	}

	protected function shouldRender() {
	return (bool)$this->getValue();
	}

	public function getLabel() {
	// TODO: This is a bit funky and still rendering a few pixels of padding
	// on the form, but there's currently no way to get a control to only emit
	// hidden inputs. Clean this up eventually.

	if ($this->getIsInvisible()) {
	return null;
	}

	return parent::getLabel();
	}

	protected function renderInput() {
	$value = $this->getValue();
	$viewer = $this->getUser();

	$out = array();

	if (!$this->getIsInvisible()) {
	$list = $viewer->renderHandleList($value);
	$list = id(new PHUIBoxView())
	->addPadding(PHUI::PADDING_SMALL_TOP)
	->appendChild($list);
	$out[] = $list;
	}

	$inputs = array();
	foreach ($value as $phid) {
	$inputs[] = phutil_tag(
	'input',
	array(
	'type' => 'hidden',
	'name' => $this->getName().'[]',
	'value' => $phid,
	));
	}
	$out[] = $inputs;

	return $out;
	}

	}