<?php
/**
* Modified Version of deluxeblogtips code
* http://chrisburbridge.com/?attachment_id=316
*
* Original:
*
* Create meta boxes for editing pages in WordPress
* Compatible with custom post types in WordPress 3.0
*
* Support input types: text, textarea, checkbox, radio box, select, file, image
*
* @author: Rilwis
* @url: http://www.deluxeblogtips.com/2010/05/howto-meta-box-wordpress.html
* @url: http://www.deluxeblogtips.com/2010/04/how-to-create-meta-box-wordpress-post.html
* @version: 2.2
*
* Changelog:
* - 2.2: add enctype to post form (fix upload bug), thanks to http://www.hashbangcode.com/blog/add-enctype-wordpress-post-and-page-forms-471.html
* - 2.1: add file upload, image upload support
* - 2.0: oop code, support multiple post types, multiple meta boxes
* - 1.0: procedural code
*/
/******************************
Edit meta box settings here
******************************/
$prefix = 'dbt_';
$meta_boxes = array();
// first meta box
$meta_boxes[] = array(
'id' => 'my-meta-box-1',
'title' => 'Custom meta box 1',
'pages' => array('post', 'page', 'link'), // multiple post types
'context' => 'normal',
'priority' => 'high',
'fields' => array(
array(
'name' => 'Text box',
'desc' => 'Enter something here',
'id' => $prefix . 'text',
'type' => 'text', // text box
'std' => 'Default value 1'
),
array(
'name' => 'Textarea',
'desc' => 'Enter big text here',
'id' => $prefix . 'textarea',
'type' => 'textarea', // text area
'std' => 'Default value 2'
),
array(
'name' => 'Tiny MCE',
'desc' => 'Enter big text here',
'id' => $prefix . 'tinymce',
'type' => 'tinymce', // tinymce
'std' => 'Default value 2'
),
array(
'name' => 'Select box',
'id' => $prefix . 'select',
'type' => 'select', // select box
'options' => array('Option 1', 'Option 2', 'Option 3') // array of options for select box
),
array(
'name' => 'Radio',
'id' => $prefix . 'radio',
'type' => 'radio', // radio box
'options' => array( // array of name, value pairs for radio options
array('name' => 'Name 1', 'value' => 'Value 1'),
array('name' => 'Name 2', 'value' => 'Value 2')
)
),
array(
'name' => 'Checkbox', // check box
'id' => $prefix . 'checkbox',
'type' => 'checkbox'
)
)
);
// second meta box
$meta_boxes[] = array(
'id' => 'my-meta-box-2',
'title' => 'Custom meta box 2',
'pages' => array('post', 'film', 'album'), // custom post types, since WordPress 3.0
'context' => 'normal',
'priority' => 'high',
'fields' => array(
array(
'name' => 'File upload',
'desc' => 'For file upload',
'id' => $prefix . 'file',
'type' => 'file' // file upload
),
array(
'name' => 'Image upload',
'desc' => 'For image upload',
'id' => $prefix . 'image',
'type' => 'image' // image upload
),
)
);
/*********************************
You should not edit the code below
*********************************/
foreach ($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;
$mce_ids = array();
// Use nonce for verification
echo '<input type="hidden" name="mytheme_meta_box_nonce" value="', wp_create_nonce(basename(__FILE__)), '" />';
echo '<table class="form-table">';
foreach ($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 />', $field['desc'];
break;
case 'tinymce':
array_push($mce_ids, $field['id']);
echo '<div style="border: 1px solid #dfdfdf;">';
echo '<textarea name="', $field['id'], '" id="', $field['id'], '" cols="60" rows="4" style="width:97%">', $meta ? $meta : $field['std'], '</textarea>',
'<br />';
echo '</div>';
echo $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 />', $field['desc'];
break;
}
echo '<td>',
'</tr>';
}
echo '</table>';
// If we have accumulated any TinyMCE type items, then active TinyMCE on them
if (count($mce_ids) > 0) {
?>
<script type="text/javascript">
/* <![CDATA[ */
jQuery(document).ready( function () {
if ( typeof( tinyMCE ) == "object" && typeof( tinyMCE.execCommand ) == "function" ) {
<?php foreach ($mce_ids as $id) : ?>
tinyMCE.execCommand("mceAddControl", false, "<?php echo $id; ?>");
<?php endforeach; ?>
}
});
/* ]]> */
</script>
<?php
}
}
// Save data from meta box
function save($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);
}
}
}
}
?>