AphrontFormSelectControl.php
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	<?php

	final class AphrontFormSelectControl extends AphrontFormControl {

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

	private $options;
	private $disabledOptions = array();

	public function setOptions(array $options) {
	$this->options = $options;
	return $this;
	}

	public function getOptions() {
	return $this->options;
	}

	public function setDisabledOptions(array $disabled) {
	$this->disabledOptions = $disabled;
	return $this;
	}

	protected function renderInput() {
	return self::renderSelectTag(
	$this->getValue(),
	$this->getOptions(),
	array(
	'name' => $this->getName(),
	'disabled' => $this->getDisabled() ? 'disabled' : null,
	'id' => $this->getID(),
	),
	$this->disabledOptions);
	}

	public static function renderSelectTag(
	$selected,
	array $options,
	array $attrs = array(),
	array $disabled = array()) {

	$option_tags = self::renderOptions($selected, $options, $disabled);

	return javelin_tag(
	'select',
	$attrs,
	$option_tags);
	}

	private static function renderOptions(
	$selected,
	array $options,
	array $disabled = array()) {
	$disabled = array_fuse($disabled);

	$tags = array();
	foreach ($options as $value => $thing) {
	if (is_array($thing)) {
	$tags[] = phutil_tag(
	'optgroup',
	array(
	'label' => $value,
	),
	self::renderOptions($selected, $thing));
	} else {
	$tags[] = phutil_tag(
	'option',
	array(
	'selected' => ($value == $selected) ? 'selected' : null,
	'value' => $value,
	'disabled' => isset($disabled[$value]) ? 'disabled' : null,
	),
	$thing);
	}
	}
	return $tags;
	}

	}