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April 24, 2013 22:14
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meta-boxes.php
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| <?php | |
| /** | |
| * Posts & Pages meta boxes | |
| */ | |
| /** | |
| * Main custom meta boxes class | |
| */ | |
| if(!class_exists('AQ_Meta_Boxes')) { | |
| class AQ_Meta_Boxes { | |
| protected $options = array(); | |
| protected $post_type = 'post'; | |
| public $post_types = array(); | |
| protected $fields = array(); | |
| function __construct( $options = array() ) { | |
| $this->options = $options; | |
| if(is_admin()) { | |
| $this->post_types = $this->get_post_types(); | |
| add_action('admin_menu', array($this, 'add_box')); | |
| add_action( 'admin_enqueue_scripts', array($this, 'enqueue_cssjs') ); | |
| add_action('save_post', array($this, 'save_box')); | |
| } | |
| } | |
| /** | |
| * Register custom meta boxes | |
| */ | |
| function add_box() { | |
| foreach($this->options as $option) { | |
| $id = isset($option['id']) ? $option['id'] : ''; | |
| $title = isset($option['title']) ? $option['title'] : ''; | |
| $callback = array($this, 'show_box'); | |
| $post_type = isset($option['post_type']) ? $option['post_type'] : ''; | |
| $context = isset($option['context']) ? $option['context'] : ''; | |
| $priority = isset($option['priority']) ? $option['priority'] : ''; | |
| $fields = ( isset($option['fields']) && is_array($option['fields']) ) ? $option['fields'] : ''; | |
| if(!empty($id) && !empty($title) && !empty($post_type) && !empty($context) && !empty($priority) ) { | |
| $this->fields = $fields; | |
| add_meta_box( $id, $title, $callback, $post_type, $context, $priority); | |
| } | |
| } | |
| } | |
| /** | |
| * Display meta boxes | |
| */ | |
| function show_box() { | |
| // Use nonce for verification | |
| echo '<input type="hidden" name="aq_meta_box_nonce" value="', wp_create_nonce(basename(__FILE__)), '" />'; | |
| echo '<table class="form-table">'; | |
| foreach($this->fields as $field) { | |
| echo aq_meta_field($field); | |
| } | |
| echo '</table>'; | |
| } | |
| /** | |
| * Save meta boxes fields | |
| */ | |
| function save_box( $post_id ) { | |
| global $post; | |
| if(!isset($_POST['aq_meta_box_nonce'])) $_POST['aq_meta_box_nonce'] = "undefine"; | |
| // verify nonce | |
| if (!wp_verify_nonce($_POST['aq_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 $post_id; | |
| } | |
| // save meta values | |
| foreach($this->options as $option) { | |
| if($option['post_type'] == $post->post_type) { | |
| foreach($option['fields'] as $field) { | |
| $old = get_post_meta($post_id, $field['id'], true); | |
| $new = $_POST[$field['id']]; | |
| if ($new && $new != $old) { | |
| if(is_array($new)) { | |
| $_new = array(); | |
| foreach($new as $key => $value){ | |
| $_new[$key] = stripslashes(htmlspecialchars($value)); | |
| } | |
| update_post_meta($post_id, $field['id'], $_new); | |
| } else { | |
| update_post_meta($post_id, $field['id'], stripslashes(htmlspecialchars($new))); | |
| } | |
| } elseif ('' == $new && $old) { | |
| delete_post_meta($post_id, $field['id'], $old); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| /** | |
| * Get post types where custom meta boxes are used | |
| */ | |
| function get_post_types() { | |
| $post_types = array('post', 'page'); | |
| return $post_types; | |
| } | |
| function enqueue_cssjs( $hook ) { | |
| global $post; | |
| if ( $hook == 'post-new.php' || $hook == 'post.php' ) { | |
| foreach($this->post_types as $type) { | |
| if ( $type === $post->post_type ) | |
| wp_enqueue_script('custom-meta-box-js', get_template_directory_uri() . '/admin/meta-boxes/js/meta-boxes.js' ); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| /** | |
| * Custom Meta fields | |
| */ | |
| function aq_meta_field($field) { | |
| global $post; | |
| if(!is_array($field)) return false; | |
| $meta = get_post_meta($post->ID, $field['id'], true); | |
| switch ($field['type']) { | |
| case 'input_number': | |
| $step = isset($field['options']['step']) ? $field['options']['step'] : 'any'; | |
| echo '<tr id="'.$field['id'].'_container">'. | |
| '<th style="width:25%">'. | |
| '<label for="', $field['id'], '">'. | |
| '<strong>', $field['name'], '</strong>'. | |
| '<span style=" display:block; color:#777; margin:5px 0 0 0;">'. $field['desc'].'</span>'. | |
| '</label>'. | |
| '</th>'. | |
| '<td>'; | |
| echo '<input type="number" step="'. $step .'" name="', $field['id'], '" id="', $field['id'], '" value="', ($meta !== false) ? $meta : $field['std'], '" size="8" style="width:70px; margin-right: 20px; float:left;" />'; | |
| echo '</td></tr>'; | |
| break; | |
| case 'text': | |
| echo '<tr id="'.$field['id'].'_container">'. | |
| '<th style="width:25%">'. | |
| '<label for="', $field['id'], '">'. | |
| '<strong>', $field['name'], '</strong>'. | |
| '<span style=" display:block; color:#777; margin:5px 0 0 0;">'. $field['desc'].'</span>'. | |
| '</label>'. | |
| '</th>'. | |
| '<td>'; | |
| echo '<input type="text" name="', $field['id'], '" id="', $field['id'], '" value="', $meta ? $meta : stripslashes(htmlspecialchars(( $field['std']), ENT_QUOTES)), '" size="30" style="width:75%; margin-right: 20px; float:left;" />'; | |
| echo '</td></tr>'; | |
| break; | |
| case 'textarea': | |
| echo '<tr id="'.$field['id'].'_container">'. | |
| '<th style="width:25%">'. | |
| '<label for="', $field['id'], '">'. | |
| '<strong>', $field['name'], '</strong>'. | |
| '<span style=" display:block; color:#777; margin:5px 0 0 0;">'. $field['desc'].'</span>'. | |
| '</label>'. | |
| '</th>'. | |
| '<td>'; | |
| echo '<textarea name="', $field['id'], '" id="', $field['id'], '" rows="8" cols="5" style="width:100%; margin-right: 20px; float:left;" >', $meta ? $meta : $field['std'] ,'</textarea>'; | |
| echo '</td></tr>'; | |
| break; | |
| case 'editor': | |
| echo '<tr id="'.$field['id'].'_container">'. | |
| '<th style="width:25%">'. | |
| '<label for="', $field['id'], '">'. | |
| '<strong>', $field['name'], '</strong>'. | |
| '<span style=" display:block; color:#777; margin:5px 0 0 0;">'. $field['desc'].'</span>'. | |
| '</label>'. | |
| '</th>'. | |
| '<td>'; | |
| echo '<div style="width:520px">'; | |
| $settings = array( | |
| 'textarea_name' => $field['id'], | |
| 'media_buttons' => false, | |
| 'textarea_rows' => '10', | |
| ); | |
| wp_editor( $meta ? htmlspecialchars_decode($meta) : stripslashes(htmlspecialchars(( $field['std']), ENT_QUOTES)) , $field['id'], $settings ); | |
| echo '</div>'; | |
| echo '</td></tr>'; | |
| break; | |
| case 'select': | |
| $meta = $meta ? $meta : $field['std']; | |
| echo '<tr id="'.$field['id'].'_container">'. | |
| '<th style="width:25%">'. | |
| '<label for="', $field['id'], '">'. | |
| '<strong>', $field['name'], '</strong>'. | |
| '<span style=" display:block; color:#777; margin:5px 0 0 0;">'. $field['desc'].'</span>'. | |
| '</label>'. | |
| '</th>'. | |
| '<td>'; | |
| echo'<select name="'.$field['id'].'">'; | |
| foreach ($field['options'] as $key => $option) { | |
| echo '<option value="' . $key .'"'; | |
| if ($meta == $key ) { | |
| echo ' selected="selected"'; | |
| } | |
| echo'>'. $option .'</option>'; | |
| } | |
| echo'</select>'; | |
| echo '</td></tr>'; | |
| break; | |
| }// end switch | |
| } | |
| $meta_boxes_options = array(); | |
| $meta_boxes_options[] = array( | |
| 'id' => 'aq-page-meta-box-description', | |
| 'title' => __('Page Description', 'a10e'), | |
| 'post_type' => 'post', | |
| 'context' => 'normal', | |
| 'priority' => 'high', | |
| 'fields' => array( | |
| array( | |
| 'name' => __('Display featured thumbnail?','a10e'), | |
| 'desc' => __('Select yes to display featured thumbnail.','a10e'), | |
| 'id' => 'aq_format_0', | |
| 'type' => 'select', | |
| 'std' => '1', | |
| 'options' => array('yes' => 'Yes', 'no' => 'No') | |
| ), | |
| array( | |
| 'name' => __('Link Settings','a10e'), | |
| 'desc' => __('Enter the link','a10e'), | |
| 'id' => 'aq_format_link', | |
| 'type' => 'text', | |
| 'std' => '' | |
| ), | |
| array( | |
| 'name' => __('Gallery Settings','a10e'), | |
| 'desc' => __('Enter crop height, or leave empty to not crop (default: 400)','a10e'), | |
| 'id' => 'aq_format_gallery', | |
| 'type' => 'input_number', | |
| 'std' => '400', | |
| 'options' => array('step' => 10) | |
| ), | |
| array( | |
| 'name' => __('Quote Settings','a10e'), | |
| 'desc' => __('Enter the quote author or reference to the quote (optional)','a10e'), | |
| 'id' => 'aq_format_quote', | |
| 'type' => 'text', | |
| 'std' => '' | |
| ), | |
| array( | |
| 'name' => 'Video Settings', | |
| 'desc' => __('Enter the embed code from e.g. Youtube or Vimeo', 'a10e'), | |
| 'id' => 'aq_format_video', | |
| 'type' => 'textarea', | |
| 'std' => '', | |
| ), | |
| array( | |
| 'name' => 'Audio Settings', | |
| 'desc' => __('Enter the embed code from e.g. Soundcloud', 'a10e'), | |
| 'id' => 'aq_format_audio', | |
| 'type' => 'textarea', | |
| 'std' => '', | |
| ) | |
| ), | |
| ); | |
| $aq_meta_boxes = new AQ_Meta_Boxes($meta_boxes_options); | |
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