AphrontFormDragAndDropUploadControl.php
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	<?php

	final class AphrontFormDragAndDropUploadControl extends AphrontFormControl {

	private $activatedClass;

	public function __construct() {
	$this->setControlID(celerity_generate_unique_node_id());
	$this->setControlStyle('display: none;');
	}

	protected function getCustomControlClass() {
	return 'aphront-form-drag-and-drop-upload';
	}

	public function setActivatedClass($class) {
	$this->activatedClass = $class;
	return $this;
	}

	protected function renderInput() {
	require_celerity_resource('aphront-attached-file-view-css');
	$list_id = celerity_generate_unique_node_id();

	$files = $this->getValue();
	$value = array();
	if ($files) {
	foreach ($files as $file) {
	$view = new AphrontAttachedFileView();
	$view->setFile($file);
	$value[$file->getPHID()] = array(
	'phid' => $file->getPHID(),
	'html' => $view->render(),
	);
	}
	}

	Javelin::initBehavior(
	'aphront-drag-and-drop',
	array(
	'control' => $this->getControlID(),
	'name' => $this->getName(),
	'value' => nonempty($value, null),
	'list' => $list_id,
	'uri' => '/file/dropupload/',
	'activatedClass' => $this->activatedClass,
	));

	return phutil_tag(
	'div',
	array(
	'id' => $list_id,
	'class' => 'aphront-form-drag-and-drop-file-list',
	),
	'');
	}

	}