Radio

<?php

/* *
 * Modified version of this: http://loak.pastebin.com/u9YTQrxf (from http://www.deluxeblogtips.com/2010/05/howto-meta-box-wordpress.html)
 * Modification to allow for incremental versions of the same metabox.
*/

/* Set up some default variables. */
 $i = 1;
    $prefix = "slide{$i}-";
 $number_of_boxes = 15;

/* Loop through the boxes to create as many as you want. */
while ( ++$i <= $number_of_boxes ) {

	$prefix = "lom_slide_{$i}_";

	$meta_boxes[] = array(
		'id' => "my-meta-box-{$i}",
		'title' => sprintf( 'Slide %s', $i ),
		'pages' => array( 'lom_slideshow','' ), // multiple post types
		'context' => 'normal',
		'priority' => 'high',
		'fields' => array(
			array( 'name' => 'Slide Title', 'desc' => 'Enter the title of the slide here', 'id' => $prefix . 'title', 	'type' => 'text' ),
			array( 'name' => 'Slide Description', 'desc' => 'Provide a brief description of the picture or video', 	'id' => $prefix . 'textarea', 'type' => 'textarea' ),
			array( 'name' => 'Slide Image', 'desc' => 'Enter the URL of the image here', 	'id' => $prefix . 'image', 'type' => 'text' ),
			array( 'name' => 'Slide Embed Code', 'desc' => 'Insert embed code for the video', 'id' => $prefix .  'embed', 'type' => 'textarea' ),
			array( 'name' => 'Hide Slide', 'id' => $prefix . 'checkbox', 'type' => 'checkbox' )
		        array( 'name' => 'Slide Type', 'id' => $prefix . 'slidetype', 'type' => 'radio', 'options' => array("Image Slide", "Video Slide"))

		)
	);
}





/*********************************
Setup Class
*********************************/

foreach ($meta_boxes as $meta_box) {
	$my_box = new My_meta_box($meta_box);
}

class My_meta_box {

	protected $_meta_box;

	// create meta box based on given data
	function __construct($meta_box) {
		if (!is_admin()) return;

		$this->_meta_box = $meta_box;

		// fix upload bug: http://www.hashbangcode.com/blog/add-enctype-wordpress-post-and-page-forms-471.html
		$current_page = substr(strrchr($_SERVER['PHP_SELF'], '/'), 1, -4);
		if ($current_page == 'page' || $current_page == 'page-new' || $current_page == 'post' || $current_page == 'post-new') {
			add_action('admin_head', array(&$this, 'add_post_enctype'));
		}

		add_action('admin_menu', array(&$this, 'add'));

		add_action('save_post', array(&$this, 'save'));
	}

	function add_post_enctype() {
		echo '
		<script type="text/javascript">
		jQuery(document).ready(function(){
			jQuery("#post").attr("enctype", "multipart/form-data");
			jQuery("#post").attr("encoding", "multipart/form-data");
		});
		</script>';
	}

	/// Add meta box for multiple post types
	function add() {
		foreach ($this->_meta_box['pages'] as $page) {
			add_meta_box($this->_meta_box['id'], $this->_meta_box['title'], array(&$this, 'show'), $page, $this->_meta_box['context'], $this->_meta_box['priority']);
		}
	}

	// Callback function to show fields in meta box
	function show() {
		global $post;

		// Use nonce for verification
		echo '<input type="hidden" name="mytheme_meta_box_nonce" value="', wp_create_nonce(basename(__FILE__)), '" />';

		echo '<table class="form-table">';

		foreach ($this->_meta_box['fields'] as $field) {
			// get current post meta data
			$meta = get_post_meta($post->ID, $field['id'], true);

			echo '<tr>',
					'<th style="width:20%"><label for="', $field['id'], '">', $field['name'], '</label></th>',
					'<td>';
			switch ($field['type']) {
				case 'text':
					echo '<input type="text" name="', $field['id'], '" id="', $field['id'], '" value="', $meta ? $meta : $field['std'], '" size="30" style="width:97%" />',
						'<br />', $field['desc'];
					break;
				case 'textarea':
					echo '<textarea name="', $field['id'], '" id="', $field['id'], '" cols="60" rows="4" style="width:97%">', $meta ? $meta : $field['std'], '</textarea>',
						'<br />', $field['desc'];
					break;
				case 'select':
					echo '<select name="', $field['id'], '" id="', $field['id'], '">';
					foreach ($field['options'] as $option) {
						echo '<option', $meta == $option ? ' selected="selected"' : '', '>', $option, '</option>';
					}
					echo '</select>';
					break;
				case 'radio':
					foreach ($field['options'] as $option) {
						echo '<input type="radio" name="', $field['id'], '" value="', $option['value'], '"', $meta == $option['value'] ? ' checked="checked"' : '', ' />', $option['name'];
					}
					break;
				case 'checkbox':
					echo '<input type="checkbox" name="', $field['id'], '" id="', $field['id'], '"', $meta ? ' checked="checked"' : '', ' />';
					break;
				case 'file':
					echo $meta ? "$meta<br />" : '', '<input type="file" name="', $field['id'], '" id="', $field['id'], '" />',
						'<br />', $field['desc'];
					break;
				case 'image':
					echo $meta ? "<img src=\"$meta\" width=\"150\" height=\"150\" /><br />$meta<br />" : '', '<input type="file" name="', $field['id'], '" id="', $field['id'], '" />',
						'<br />', $field['desc'];
					break;
			}
			echo 	'<td>',
				'</tr>';
		}

		echo '</table>';
	}

	// Save data from meta box
	function save($post_id) {
		// verify nonce
		if (!wp_verify_nonce($_POST['mytheme_meta_box_nonce'], basename(__FILE__))) {
			return $post_id;
		}

		// check autosave
		if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
			return $post_id;
		}

		// check permissions
		if ('page' == $_POST['post_type']) {
			if (!current_user_can('edit_page', $post_id)) {
				return $post_id;
			}
		} elseif (!current_user_can('edit_post', $post_id)) {
			return $post_id;
		}

		foreach ($this->_meta_box['fields'] as $field) {
			$name = $field['id'];

			$old = get_post_meta($post_id, $name, true);
			$new = $_POST[$field['id']];

			if ($field['type'] == 'file' || $field['type'] == 'image') {
				$file = wp_handle_upload($_FILES[$name], array('test_form' => false));
				$new = $file['url'];
			}

			if ($new && $new != $old) {
				update_post_meta($post_id, $name, $new);
			} elseif ('' == $new && $old && $field['type'] != 'file' && $field['type'] != 'image') {
				delete_post_meta($post_id, $name, $old);
			}
		}
	}
}
?>