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AphrontFormRadioButtonControl.php
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			<?php

			final class AphrontFormRadioButtonControl extends AphrontFormControl {

			private $buttons = array();

			public function addButton(
			$value,
			$label,
			$caption,
			$class = null,
			$disabled = false) {
			$this->buttons[] = array(
			'value' => $value,
			'label' => $label,
			'caption' => $caption,
			'class' => $class,
			'disabled' => $disabled,
			);
			return $this;
			}

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

			protected function renderInput() {
			$rows = array();
			foreach ($this->buttons as $button) {
			$id = celerity_generate_unique_node_id();
			$radio = phutil_tag(
			'input',
			array(
			'id' => $id,
			'type' => 'radio',
			'name' => $this->getName(),
			'value' => $button['value'],
			'checked' => ($button['value'] == $this->getValue())
			? 'checked'
			: null,
			'disabled' => ($this->getDisabled() \|\| $button['disabled'])
			? 'disabled'
			: null,
			));
			$label = phutil_tag(
			'label',
			array(
			'for' => $id,
			'class' => $button['class'],
			),
			$button['label']);

			if ($button['caption']) {
			$label = array(
			$label,
			phutil_tag_div('aphront-form-radio-caption', $button['caption']),
			);
			}
			$rows[] = phutil_tag('tr', array(), array(
			phutil_tag('td', array(), $radio),
			phutil_tag('th', array(), $label),
			));
			}

			return phutil_tag(
			'table',
			array('class' => 'aphront-form-control-radio-layout'),
			$rows);
			}

			}