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- <?php
- // Add the Meta Box
- function add_custom_meta_box() {
- add_meta_box(
- 'custom_meta_box', // $id
- 'Custom Meta Box', // $title
- 'show_custom_meta_box', // $callback
- 'event', // $page
- 'normal', // $context
- 'high'); // $priority
- }
- add_action('add_meta_boxes', 'add_custom_meta_box');
- // Field Array
- $prefix = 'custom_';
- $custom_meta_fields = array(
- array(
- 'label' => 'Post List',
- 'desc' => 'A description for the field.',
- 'id' => $prefix.'post_id',
- 'type' => 'post_list',
- 'post_type' => array('customer')
- )
- );
- // The Callback
- function show_custom_meta_box() {
- global $custom_meta_fields, $post;
- // Use nonce for verification
- echo '<input type="hidden" name="custom_meta_box_nonce" value="'.wp_create_nonce(basename(__FILE__)).'" />';
- // Begin the field table and loop
- echo '<table class="form-table">';
- foreach ($custom_meta_fields as $field) {
- // get value of this field if it exists for this post
- $meta = get_post_meta($post->ID, $field['id'], true);
- // begin a table row with
- echo '<tr>
- <th><label for="'.$field['id'].'">'.$field['label'].'</label></th>
- <td>';
- switch($field['type']) {
- // post_list
- case 'post_list':
- $items = get_posts( array (
- 'post_type' => $field['post_type'],
- 'posts_per_page' => -1
- ));
- echo '<select name="'.$field['id'].'" id="'.$field['id'].'">
- <option value="">Select One</option>'; // Select One
- foreach($items as $item) {
- echo '<option value="'.$item->ID.'"',$meta == $item->ID ? ' selected="selected"' : '','>'.$item->post_type.': '.$item->post_title.'</option>';
- } // end foreach
- echo '</select><br /><span class="description">'.$field['desc'].'</span>';
- break;
- } //end switch
- echo '</td></tr>';
- } // end foreach
- echo '</table>'; // end table
- }
- function remove_taxonomy_boxes() {
- remove_meta_box('categorydiv', 'post', 'side');
- }
- add_action( 'admin_menu' , 'remove_taxonomy_boxes' );
- // Save the Data
- function save_custom_meta($post_id) {
- global $custom_meta_fields;
- // verify nonce
- if (!wp_verify_nonce($_POST['custom_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 $post_id;
- }
- // loop through fields and save the data
- foreach ($custom_meta_fields as $field) {
- if($field['type'] == 'tax_select') continue;
- $old = get_post_meta($post_id, $field['id'], true);
- $new = $_POST[$field['id']];
- if ($new && $new != $old) {
- update_post_meta($post_id, $field['id'], $new);
- } elseif ('' == $new && $old) {
- delete_post_meta($post_id, $field['id'], $old);
- }
- } // enf foreach
- // save taxonomies
- $post = get_post($post_id);
- $category = $_POST['category'];
- wp_set_object_terms( $post_id, $category, 'category' );
- }
- add_action('save_post', 'save_custom_meta');
- ?>
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