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<?php |
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// Add custom column to Media Library |
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function wpa_upload_columns($columns) { |
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unset($columns['parent']); |
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$columns['wpattachments_parent'] = esc_html__('Parent', 'wp-attachments'); |
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return $columns; |
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} |
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|
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// Render custom column content |
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function wpa_media_custom_columns($column_name, $id) { |
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if ($column_name !== 'wpattachments_parent') { |
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return; |
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} |
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|
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$post = get_post($id); |
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if (!$post) { |
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echo esc_html__('Not found', 'wp-attachments'); |
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return; |
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} |
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|
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$can_edit = current_user_can('edit_post', $post->ID); |
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|
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echo '<div class="wpa-parent-cell">'; |
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|
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if ($post->post_parent > 0 && get_post($post->post_parent)) { |
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$title = esc_html(get_the_title($post->post_parent)); |
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$edit_link = get_edit_post_link($post->post_parent); |
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// Use the attachment's upload date |
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$date = esc_html(date_i18n(get_option('date_format'), strtotime($post->post_date))); |
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|
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echo '<strong><a href="' . esc_url($edit_link) . '">' . $title . '</a></strong><br />'; |
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echo '<span class="description">' . $date . '</span>'; |
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|
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if ($can_edit) { |
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echo '<div class="wpa-btn-group">'; |
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echo '<a class="button button-secondary button-small hide-if-no-js" onclick="findPosts.open(\'media[]\',\'' . esc_attr($post->ID) . '\');return false;" href="#the-list">'; |
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esc_html_e('Re-Attach', 'wp-attachments'); |
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echo '</a>'; |
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|
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$url = wp_nonce_url(admin_url('tools.php?page=unattach&noheader=true&id=' . absint($post->ID)), 'wpa_unattach_' . $post->ID); |
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echo '<a class="button button-link-delete button-small" href="' . esc_url($url) . '">'; |
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esc_html_e('Unattach', 'wp-attachments'); |
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echo '</a>'; |
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echo '</div>'; |
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} |
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} else { |
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echo '<strong>' . esc_html__('No parent.', 'wp-attachments') . '</strong>'; |
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if ($can_edit) { |
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echo '<div class="wpa-btn-group">'; |
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echo '<a class="button button-primary button-small hide-if-no-js" onclick="findPosts.open(\'media[]\',\'' . esc_attr($post->ID) . '\');return false;" href="#the-list">'; |
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esc_html_e('Attach', 'wp-attachments'); |
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echo '</a>'; |
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echo '</div>'; |
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} |
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} |
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|
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echo '</div>'; |
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} |
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|
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// Add custom CSS and hooks |
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function wpa_custom_admin_css() { |
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// Media Library only: this used to print on every admin screen. |
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$screen = function_exists('get_current_screen') ? get_current_screen() : null; |
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if (!$screen || $screen->base !== 'upload') { |
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return; |
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} |
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|
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echo '<style> |
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#wpattachments_parent { width: 15%; } |
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.wpa-parent-cell { min-width: 180px; } |
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.wpa-btn-group { |
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display: flex; |
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gap: 6px; |
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margin-top: 8px; |
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} |
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.wpa-parent-cell .button { margin-bottom: 0; } |
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.wpa-parent-cell .button-link-delete { |
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color: #b32d2e; |
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border-color: #b32d2e; |
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background: #fff; |
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} |
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.wpa-parent-cell .button-link-delete:hover { |
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background: #fbeaea; |
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color: #a00; |
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border-color: #a00; |
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} |
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</style>'; |
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} |
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add_action('admin_head', 'wpa_custom_admin_css'); |
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add_filter('manage_upload_columns', 'wpa_upload_columns'); |
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add_action('manage_media_custom_column', 'wpa_media_custom_columns', 10, 2); |
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|
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// Unattach action with nonce check |
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function wpa_unattach_do_it() { |
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global $wpdb; |
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|
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if (!empty($_REQUEST['id'])) { |
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$id = absint($_REQUEST['id']); |
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|
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$nonce = isset($_REQUEST['_wpnonce']) ? sanitize_text_field(wp_unslash($_REQUEST['_wpnonce'])) : ''; |
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if (!wp_verify_nonce($nonce, 'wpa_unattach_' . $id)) { |
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wp_die(esc_html__('Security check failed.', 'wp-attachments')); |
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} |
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|
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if (!current_user_can('edit_post', $id)) { |
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wp_die(esc_html__('You do not have permission.', 'wp-attachments')); |
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} |
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|
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$wpdb->update($wpdb->posts, array('post_parent' => 0), array('ID' => $id, 'post_type' => 'attachment')); |
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clean_post_cache($id); |
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} |
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|
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if (!empty($_REQUEST['referer'])) { |
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wp_safe_redirect(esc_url_raw(wp_unslash($_REQUEST['referer']))); |
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} elseif (wp_get_referer()) { |
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wp_safe_redirect(wp_get_referer()); |
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} else { |
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wp_redirect(admin_url('upload.php?mode=list')); |
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} |
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exit; |
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} |
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|
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// Register submenu for unattach |
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function wpa_unattach_init() { |
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if (current_user_can('upload_files')) { |
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add_submenu_page('tools.php', __('Unattach Media', 'wp-attachments'), __('Unattach', 'wp-attachments'), 'upload_files', 'unattach', 'wpa_unattach_do_it'); |
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remove_submenu_page('tools.php', 'unattach'); |
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} |
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} |
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add_action('admin_menu', 'wpa_unattach_init'); |
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?> |
