<?php /** * Test if the user is allowed to copy posts */ function duplicate_post_is_current_user_allowed_to_copy() { return current_user_can('copy_posts'); } /** * Test if post type is enable to be copied */ function duplicate_post_is_post_type_enabled($post_type){ $duplicate_post_types_enabled = get_option('duplicate_post_types_enabled', array ('post', 'page')); if(!is_array($duplicate_post_types_enabled)) $duplicate_post_types_enabled = array($duplicate_post_types_enabled); return in_array($post_type, $duplicate_post_types_enabled); } /** * Wrapper for the option 'duplicate_post_create_user_level' */ function duplicate_post_get_copy_user_level() { return get_option( 'duplicate_post_copy_user_level' ); } // Template tag /** * Retrieve duplicate post link for post. * * * @param int $id Optional. Post ID. * @param string $context Optional, default to display. How to write the '&', defaults to '&'. * @param string $draft Optional, default to true * @return string */ function duplicate_post_get_clone_post_link( $id = 0, $context = 'display', $draft = true ) { if ( !duplicate_post_is_current_user_allowed_to_copy() ) return; if ( !$post = get_post( $id ) ) return; if(!duplicate_post_is_post_type_enabled($post->post_type)) return; if ($draft) $action_name = "duplicate_post_save_as_new_post_draft"; else $action_name = "duplicate_post_save_as_new_post"; if ( 'display' == $context ) $action = '?action='.$action_name.'&post='.$post->ID; else $action = '?action='.$action_name.'&post='.$post->ID; $post_type_object = get_post_type_object( $post->post_type ); if ( !$post_type_object ) return; return wp_nonce_url(apply_filters( 'duplicate_post_get_clone_post_link', admin_url( "admin.php". $action ), $post->ID, $context ), 'duplicate-post_' . $post->ID); } /** * Display duplicate post link for post. * * @param string $link Optional. Anchor text. * @param string $before Optional. Display before edit link. * @param string $after Optional. Display after edit link. * @param int $id Optional. Post ID. */ function duplicate_post_clone_post_link( $link = null, $before = '', $after = '', $id = 0 ) { if ( !$post = get_post( $id ) ) return; if ( !$url = duplicate_post_get_clone_post_link( $post->ID ) ) return; if ( null === $link ) $link = esc_html__('Copy to a new draft', 'duplicate-post'); $link = '<a class="post-clone-link" href="' . $url . '" title="' . esc_attr__("Copy to a new draft", 'duplicate-post') .'">' . $link . '</a>'; echo $before . apply_filters( 'duplicate_post_clone_post_link', $link, $post->ID ) . $after; } /** * Get original post . * * @param int $post Optional. Post ID or Post object. * @param string $output Optional, default is Object. Either OBJECT, ARRAY_A, or ARRAY_N. * @return mixed Post data */ function duplicate_post_get_original($post = null , $output = OBJECT){ if ( !$post = get_post( $post ) ) return; $original_ID = get_post_meta( $post->ID, '_dp_original'); if (empty($original_ID)) return null; $original_post = get_post($original_ID[0], $output); return $original_post; } // Admin bar function duplicate_post_admin_bar_render() { if(!is_admin_bar_showing()) return; global $wp_admin_bar; $current_object = get_queried_object(); if ( empty($current_object) ) return; if ( ! empty( $current_object->post_type ) && ( $post_type_object = get_post_type_object( $current_object->post_type ) ) && duplicate_post_is_current_user_allowed_to_copy() && ( $post_type_object->show_ui || 'attachment' == $current_object->post_type ) && (duplicate_post_is_post_type_enabled($current_object->post_type) ) ) { $wp_admin_bar->add_menu( array( 'id' => 'new_draft', 'title' => esc_attr__("Copy to a new draft", 'duplicate-post'), 'href' => duplicate_post_get_clone_post_link( $current_object->ID ) ) ); } } function duplicate_post_add_css() { if(!is_admin_bar_showing()) return; $current_object = get_queried_object(); if ( empty($current_object) ) return; if ( ! empty( $current_object->post_type ) && ( $post_type_object = get_post_type_object( $current_object->post_type ) ) && duplicate_post_is_current_user_allowed_to_copy() && ( $post_type_object->show_ui || 'attachment' == $current_object->post_type ) && (duplicate_post_is_post_type_enabled($current_object->post_type) ) ) { wp_enqueue_style ( 'duplicate-post', plugins_url('/duplicate-post.css', __FILE__)); } } add_action('init', 'duplicate_post_init'); function duplicate_post_init(){ if (get_option ( 'duplicate_post_show_adminbar' ) == 1) { add_action ( 'wp_before_admin_bar_render', 'duplicate_post_admin_bar_render' ); add_action ( 'wp_enqueue_scripts', 'duplicate_post_add_css' ); } } /** * Sort taxonomy objects: first public, then private */ function duplicate_post_tax_obj_cmp($a, $b) { return ($a->public < $b->public); }