432 lines
18 KiB
PHP
432 lines
18 KiB
PHP
<?php
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ob_start(); // Sofortiges Output Buffering
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/**
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* Plugin Name: Select and Handle
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* Description: Plugin zum Verwalten und Verarbeiten von Beiträgen, Seiten und Custom Post Types (ohne AJAX, erweiterte Funktionen).
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* Version: 1.22
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* Author: Victor Giers
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* License: CC0
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Verarbeitet Formular- und URL-Anfragen:
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* - Werden per POST ausgewählte Beiträge übermittelt, so werden diese (ohne Duplikate) zur bestehenden Auswahl hinzugefügt.
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* - Wird per GET der Parameter "remove" übergeben, so wird der entsprechende Eintrag entfernt.
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*
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* Alle relevanten GET‑Parameter (tab, paged, orderby, order, category) werden übernommen, sodass der Redirect
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* den aktuellen Zustand beibehält.
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* Falls bereits Output gesendet wurde, erfolgt der Redirect mittels JavaScript und Meta‑Refresh.
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*/
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function sah_handle_form_submissions() {
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$action_taken = false;
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$current_tab = isset($_GET['tab']) ? sanitize_text_field($_GET['tab']) : 'post';
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// Alle relevanten Parameter übernehmen:
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$params = array(
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'tab' => $current_tab,
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'paged' => isset($_GET['paged']) ? intval($_GET['paged']) : 1,
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'orderby' => isset($_GET['orderby']) ? sanitize_text_field($_GET['orderby']) : 'modified',
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'order' => isset($_GET['order']) ? sanitize_text_field($_GET['order']) : 'desc',
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'category'=> isset($_REQUEST['category']) ? intval($_REQUEST['category']) : 0,
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);
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$redirect_url = add_query_arg( $params, admin_url('admin.php?page=select-and-handle') );
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// Beiträge hinzufügen (POST)
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if ( $_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['selected_posts']) && is_array($_POST['selected_posts']) ) {
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$new_posts = array_map( 'intval', $_POST['selected_posts'] );
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$current = get_option( 'sah_selected_posts', [] );
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$merged = array_unique( array_merge( $current, $new_posts ) );
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update_option( 'sah_selected_posts', $merged );
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$action_taken = true;
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}
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// Einzelnen Eintrag entfernen (GET)
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if ( isset($_GET['remove']) ) {
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$remove_id = intval($_GET['remove']);
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$current = get_option( 'sah_selected_posts', [] );
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if ( ($key = array_search($remove_id, $current)) !== false ) {
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unset($current[$key]);
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update_option( 'sah_selected_posts', $current );
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$action_taken = true;
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}
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}
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if ( $action_taken ) {
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if ( headers_sent() ) {
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echo '<meta http-equiv="refresh" content="0; url=' . esc_url( $redirect_url ) . '">';
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echo '<script type="text/javascript">window.location.href="' . esc_js( $redirect_url ) . '";</script>';
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exit;
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} else {
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if ( ob_get_length() ) {
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ob_end_clean();
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}
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wp_redirect( $redirect_url );
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exit;
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}
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}
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}
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/**
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* Fügt das Admin-Menü hinzu.
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*/
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function sah_add_admin_menu() {
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add_menu_page( 'Select and Handle', 'Select and Handle', 'manage_options', 'select-and-handle', 'sah_admin_page', 'dashicons-edit', 25 );
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}
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add_action( 'admin_menu', 'sah_add_admin_menu' );
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/**
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* Zeigt die Admin-Seite an.
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* Die Reihenfolge: Zuerst der Titel, dann die "Gespeicherte Auswahl" (direkt darunter), anschließend die Reiter, danach der Rest.
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*/
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function sah_admin_page() {
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sah_handle_form_submissions();
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$current_tab = isset($_GET['tab']) ? sanitize_text_field($_GET['tab']) : 'post';
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?>
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<div class="wrap">
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<h1>Select and Handle</h1>
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<style>
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.wp-list-table .checkbox-column { width: 40px; }
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.selected-posts-box { margin-bottom: 20px; }
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.actions { margin-bottom: 20px; }
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.sortable a { text-decoration: none; }
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.sortable a.sorted-asc::after { content: " ▲"; }
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.sortable a.sorted-desc::after { content: " ▼"; }
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</style>
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<!-- Gespeicherte Auswahl direkt unter dem Titel -->
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<div class="selected-posts-box">
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<?php echo sah_get_selected_list_html( $current_tab ); ?>
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</div>
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<!-- Handle-Button (sofern IDs in der gespeicherten Auswahl vorhanden sind) -->
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<?php
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$saved = get_option('sah_selected_posts', []);
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$button_style = 'display: none;'; // Standardmäßig unsichtbar
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if ( ! empty( $saved ) ) {
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$button_style = 'display: inline-block;'; // Falls Einträge vorhanden, sichtbar
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}
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?>
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<div class="actions" style="<?php echo esc_attr($button_style); ?>">
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<button id="handle-button" class="button button-primary">Handle</button>
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</div>
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<!-- Container für die Ausgabe von select-and-handle.php -->
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<div id="handle-container" style="display: none; margin-top: 20px;">
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<iframe id="handle-result" src="about:blank" style="width: 100%; border: 1px solid #ccc; min-height: 100px;"></iframe>
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</div>
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<script>
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document.getElementById('handle-button').addEventListener('click', function(e) {
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e.preventDefault();
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var ids = "<?php echo implode(',', get_option('ait_selected_posts', [])); ?>";
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if(ids === "") {
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alert("Keine IDs vorhanden.");
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return;
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}
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var url = "<?php echo plugin_dir_url(__FILE__); ?>handle.php?ids=" + encodeURIComponent(ids);
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document.getElementById('handle-result').src = url;
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document.getElementById('handle-container').style.display = 'block';
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});
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</script>
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<!-- Reiter -->
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<h2 class="nav-tab-wrapper">
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<a href="?page=select-and-handle&tab=post" class="nav-tab <?php echo ($current_tab == 'post') ? 'nav-tab-active' : ''; ?>">Beiträge</a>
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<a href="?page=select-and-handle&tab=page" class="nav-tab <?php echo ($current_tab == 'page') ? 'nav-tab-active' : ''; ?>">Seiten</a>
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<?php
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$custom_post_types = get_post_types( ['_builtin' => false], 'objects' );
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foreach ( $custom_post_types as $cpt ) {
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echo '<a href="?page=select-and-handle&tab=' . esc_attr( $cpt->name ) . '" class="nav-tab ' . (($current_tab == $cpt->name) ? 'nav-tab-active' : '') . '">' . esc_html( $cpt->label ) . '</a>';
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}
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?>
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</h2>
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<?php sah_display_table( $current_tab ); ?>
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</div>
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<?php
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ob_end_flush();
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}
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/**
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* Erzeugt den HTML-Code für die "Gespeicherte Auswahl".
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* Die Titel werden fett (ohne Link) ausgegeben; es erscheint kein "Bearbeiten"-Link.
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*/
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function sah_get_selected_list_html( $current_tab ) {
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ob_start();
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$selected_posts = get_option( 'sah_selected_posts', [] );
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echo '<div>';
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echo '<h3>Gespeicherte Auswahl</h3>';
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if ( ! empty( $selected_posts ) ) {
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echo '<div id="selected-posts-list">';
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$titles = [];
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// Alle relevanten Parameter übernehmen, um den Zustand beizubehalten.
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$params = array(
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'tab' => $current_tab,
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'paged' => isset($_GET['paged']) ? intval($_GET['paged']) : 1,
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'orderby' => isset($_GET['orderby']) ? sanitize_text_field($_GET['orderby']) : 'modified',
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'order' => isset($_GET['order']) ? sanitize_text_field($_GET['order']) : 'desc',
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'category'=> isset($_GET['category']) ? intval($_GET['category']) : 0,
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);
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foreach ( $selected_posts as $post_id ) {
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$post = get_post( $post_id );
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if ( $post && ! empty( $post->post_title ) ) {
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$remove_params = $params;
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$remove_params['remove'] = $post_id;
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$remove_url = add_query_arg( $remove_params, admin_url( 'admin.php?page=select-and-handle' ) );
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$titles[] = '<span class="selected-item" data-id="' . esc_attr( $post_id ) . '">'
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. '<strong>' . esc_html( $post->post_title ) . '</strong>'
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. ' <a class="remove-item" href="' . esc_url( $remove_url ) . '">[x]</a>'
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. '</span>';
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}
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}
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echo implode( '<br>', $titles );
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echo '</div>';
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} else {
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echo '<p>Keine Einträge ausgewählt.</p>';
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}
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echo '</div>';
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return ob_get_clean();
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}
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/**
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* Gibt für einen Beitrag alle Begriffe aus den hierarchischen Taxonomien zurück.
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*/
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function sah_get_post_categories( $post_id, $post_type ) {
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$taxonomies = get_object_taxonomies( $post_type, 'objects' );
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$category_names = [];
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foreach ( $taxonomies as $taxonomy ) {
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if ( $taxonomy->hierarchical ) {
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$terms = get_the_terms( $post_id, $taxonomy->name );
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if ( ! empty( $terms ) && ! is_wp_error( $terms ) ) {
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foreach ( $terms as $term ) {
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$category_names[] = $term->name;
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}
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}
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}
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}
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return $category_names;
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}
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/**
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* Ermittelt die erste hierarchische Taxonomie für den Post Type.
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*/
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function sah_get_category_taxonomy( $post_type ) {
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$taxonomies = get_object_taxonomies( $post_type, 'objects' );
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foreach ( $taxonomies as $taxonomy ) {
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if ( $taxonomy->hierarchical ) {
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return $taxonomy->name;
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}
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}
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return '';
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}
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/**
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* Erzeugt einen sortierbaren Link.
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* Spalten, die sortierbar sein sollen, sind "Titel" und "Last Modified".
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* Jetzt wird auch der aktuelle Kategorienfilter übernommen, sodass sich der Filter nicht zurücksetzt.
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*/
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function sah_sort_link( $column_label, $column_key, $current_tab ) {
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$current_orderby = $_GET['orderby'] ?? 'modified';
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$current_order = $_GET['order'] ?? 'desc';
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$next_order = 'asc';
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$class = 'sortable';
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if ( $current_orderby === $column_key ) {
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if ( $current_order === 'asc' ) {
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$next_order = 'desc';
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$class .= ' sorted-asc';
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} else {
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$next_order = 'asc';
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$class .= ' sorted-desc';
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}
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}
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$category = isset($_REQUEST['category']) ? intval($_REQUEST['category']) : 0;
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$url = add_query_arg( [
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'orderby' => $column_key,
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'order' => $next_order,
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'tab' => $current_tab,
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'category' => $category,
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], admin_url( 'admin.php?page=select-and-handle' ) );
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return '<a href="' . esc_url( $url ) . '" class="' . esc_attr( $class ) . '">' . esc_html( $column_label ) . '</a>';
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}
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/**
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* Zeigt eine Tabelle mit Beiträgen, Seiten oder Custom Post Types an.
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* Die Tabelle enthält:
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* - Eine Checkbox-Spalte
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* - Spalte "Titel": Fett dargestellter Link zum Beitrag (öffnet in neuem Tab) plus Statusanzeige (Privat/Entwurf) und einen "Bearbeiten"-Link.
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* - Spalte "Kategorie"
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* - Spalte "Last Modified": basierend auf dem Datum der letzten Änderung (Format: "YYYY/MM/DD at g:i a").
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* Die Tabelle ist sortierbar nach "Titel" und "Last Modified".
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* Die Pagination wird oben und unten angezeigt, jeweils rechtsbündig.
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*
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* Wichtig: Der Kategorien-Filter wird über ein separates GET-Formular geregelt – der Parameter "category" wird über $_REQUEST ausgelesen.
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*/
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function sah_display_table( $post_type ) {
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$selected_category = intval( $_REQUEST['category'] ?? 0 );
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$paged = max( 1, intval( $_GET['paged'] ?? 1 ) );
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$posts_per_page = 10;
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$orderby = $_GET['orderby'] ?? 'modified';
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$order = $_GET['order'] ?? 'desc';
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$args = [
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'post_type' => $post_type,
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'posts_per_page' => $posts_per_page,
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'paged' => $paged,
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'post_status' => [ 'publish', 'private', 'draft' ],
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'orderby' => $orderby,
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'order' => strtoupper( $order ),
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];
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$category_tax = sah_get_category_taxonomy( $post_type );
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if ( $selected_category && $category_tax ) {
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$args['tax_query'] = [[
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'taxonomy' => $category_tax,
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'field' => 'term_id',
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'terms' => $selected_category,
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]];
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}
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$query = new WP_Query( $args );
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// Kategorie-Filter-Formular und Pagination oben in einem flexiblen Container
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$category_filter_html = '';
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if ( $category_tax ) {
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ob_start();
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echo '<form method="get" action="" class="category-filter">';
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echo '<input type="hidden" name="page" value="select-and-handle">';
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echo '<input type="hidden" name="tab" value="' . esc_attr( $post_type ) . '">';
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echo '<select name="category" onchange="this.form.submit();">';
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echo '<option value="0">Alle Kategorien</option>';
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$terms = get_terms( [ 'taxonomy' => $category_tax, 'hide_empty' => false ] );
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if ( ! is_wp_error( $terms ) ) {
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foreach ( $terms as $term ) {
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echo '<option value="' . esc_attr( $term->term_id ) . '" ' . selected( $selected_category, $term->term_id, false ) . '>' . esc_html( $term->name ) . '</option>';
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}
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}
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echo '</select>';
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echo '</form>';
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$category_filter_html = ob_get_clean();
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}
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$pagination_html = '';
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if ( $query->max_num_pages > 1 ) {
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ob_start();
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echo '<div class="pagination" style="text-align: right;">';
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for ( $i = 1; $i <= $query->max_num_pages; $i++ ) {
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$page_url = add_query_arg( [
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'paged' => $i,
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'tab' => $post_type,
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'orderby' => $orderby,
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'order' => $order,
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'category'=> $selected_category,
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], admin_url( 'admin.php?page=select-and-handle' ) );
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$class = ( $paged == $i ) ? 'button button-primary' : 'button';
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echo '<a href="' . esc_url( $page_url ) . '" class="' . esc_attr( $class ) . '">' . $i . '</a> ';
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}
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echo '</div>';
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$pagination_html = ob_get_clean();
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}
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// Ausgabe des kombinierten Bereichs (Filter und obere Pagination)
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if ( ! empty( $category_filter_html ) || ! empty( $pagination_html ) ) {
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echo '<div class="filter-pagination" style="display: flex; justify-content: space-between; align-items: center; margin: 10px;">';
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echo '<div class="filter-left">' . $category_filter_html . '</div>';
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echo '<div class="pagination-right">' . $pagination_html . '</div>';
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echo '</div>';
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}
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// Formular mit Tabelle
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?>
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<form id="handle-form" method="post" action="">
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<!-- Versteckte Felder, um GET-Parameter beizubehalten -->
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<input type="hidden" name="page" value="select-and-handle">
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<input type="hidden" name="tab" value="<?php echo esc_attr( $post_type ); ?>">
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<input type="hidden" name="category" value="<?php echo esc_attr( $selected_category ); ?>">
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<input type="hidden" name="paged" value="<?php echo esc_attr( $_GET['paged'] ?? 1 ); ?>">
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<input type="hidden" name="orderby" value="<?php echo esc_attr( $_GET['orderby'] ?? 'modified' ); ?>">
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<input type="hidden" name="order" value="<?php echo esc_attr( $_GET['order'] ?? 'desc' ); ?>">
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<table class="wp-list-table widefat fixed striped">
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<thead>
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<tr>
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<th class="checkbox-column"><input type="checkbox" id="select-all"></th>
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<th><?php echo sah_sort_link( 'Titel', 'title', $post_type ); ?></th>
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<th>Kategorie</th>
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<th><?php echo sah_sort_link( 'Last Modified', 'modified', $post_type ); ?></th>
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</tr>
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</thead>
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<tbody>
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<?php
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if ( $query->have_posts() ) :
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while ( $query->have_posts() ) : $query->the_post();
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$post_id = get_the_ID();
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$status = get_post_status( $post_id );
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$status_text = '';
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if ( $status === 'private' ) {
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$status_text = ' <span style="color:#a00;">(Privat)</span>';
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} elseif ( $status === 'draft' ) {
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$status_text = ' <span style="color:#a00;">(Entwurf)</span>';
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}
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?>
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<tr>
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<td class="checkbox-column">
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<input type="checkbox" name="selected_posts[]" value="<?php echo $post_id; ?>">
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</td>
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<td>
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<a href="<?php echo esc_url( get_permalink( $post_id ) ); ?>" target="_blank">
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<strong><?php echo esc_html( get_the_title() ); ?></strong>
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</a>
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<?php echo $status_text; ?>
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<br>
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<small>
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<a href="<?php echo esc_url( admin_url( 'post.php?post=' . $post_id . '&action=edit' ) ); ?>" target="_blank">
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Bearbeiten
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</a>
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</small>
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</td>
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<td><?php echo esc_html( implode( ', ', sah_get_post_categories( $post_id, $post_type ) ) ); ?></td>
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<td>
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<strong>Last Modified</strong><br>
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<?php echo esc_html( get_the_modified_date( 'Y/m/d \a\t g:i a' ) ); ?>
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</td>
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</tr>
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<?php
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endwhile;
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else :
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?>
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<tr>
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<td colspan="4">Keine Beiträge gefunden.</td>
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</tr>
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<?php
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endif;
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wp_reset_postdata();
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?>
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</tbody>
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</table>
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<p>
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<input type="submit" name="save_selection" class="button button-primary" value="Zur Auswahl hinzufügen">
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</p>
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</form>
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<script>
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// Select-All Funktionalität
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document.addEventListener('DOMContentLoaded', function() {
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var selectAllCheckbox = document.getElementById('select-all');
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if ( selectAllCheckbox ) {
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selectAllCheckbox.addEventListener('change', function() {
|
||
var checkboxes = document.querySelectorAll('tbody input[type="checkbox"]');
|
||
checkboxes.forEach(function(cb) {
|
||
cb.checked = selectAllCheckbox.checked;
|
||
});
|
||
});
|
||
}
|
||
});
|
||
</script>
|
||
<?php
|
||
}
|
||
?>
|