Die Schaffung einer „repeater-Felder“, ohne ein Plugin

Erstellen Sie ein repeater-meta-box-ohne Verwendung jeglicher Art von plugin.

Wie kann ich diese metabox in meiner „Vorlage“?

InformationsquelleAutor Developer | 2017-06-20



One Reply
  1. 7
    add_action('admin_init', 'gpm_add_meta_boxes', 2);
    
    function gpm_add_meta_boxes() {
    add_meta_box( 'gpminvoice-group', 'Custom Repeatable', 'Repeatable_meta_box_display', 'page', 'normal', 'default');
    }
    
    function Repeatable_meta_box_display() {
        global $post;
        $gpminvoice_group = get_post_meta($post->ID, 'customdata_group', true);
         wp_nonce_field( 'gpm_repeatable_meta_box_nonce', 'gpm_repeatable_meta_box_nonce' );
        ?>
        <script type="text/javascript">
        jQuery(document).ready(function( $ ){
            $( '#add-row' ).on('click', function() {
                var row = $( '.empty-row.screen-reader-text' ).clone(true);
                row.removeClass( 'empty-row screen-reader-text' );
                row.insertBefore( '#repeatable-fieldset-one tbody>tr:last' );
                return false;
            });
    
            $( '.remove-row' ).on('click', function() {
                $(this).parents('tr').remove();
                return false;
            });
        });
      </script>
      <table id="repeatable-fieldset-one" width="100%">
      <tbody>
        <?php
         if ( $gpminvoice_group ) :
          foreach ( $gpminvoice_group as $field ) {
        ?>
        <tr>
          <td width="15%">
            <input type="text"  placeholder="Title" name="TitleItem[]" value="<?php if($field['TitleItem'] != '') echo esc_attr( $field['TitleItem'] ); ?>" /></td> 
          <td width="70%">
          <textarea placeholder="Description" cols="55" rows="5" name="TitleDescription[]"> <?php if ($field['TitleDescription'] != '') echo esc_attr( $field['TitleDescription'] ); ?> </textarea></td>
          <td width="15%"><a class="button remove-row" href="#1">Remove</a></td>
        </tr>
        <?php
        }
        else :
        //show a blank one
        ?>
        <tr>
          <td> 
            <input type="text" placeholder="Title" title="Title" name="TitleItem[]" /></td>
          <td> 
              <textarea  placeholder="Description" name="TitleDescription[]" cols="55" rows="5">  </textarea>
              </td>
          <td><a class="button  cmb-remove-row-button button-disabled" href="#">Remove</a></td>
        </tr>
        <?php endif; ?>
    
        <!-- empty hidden one for jQuery -->
        <tr class="empty-row screen-reader-text">
          <td>
            <input type="text" placeholder="Title" name="TitleItem[]"/></td>
          <td>
              <textarea placeholder="Description" cols="55" rows="5" name="TitleDescription[]"></textarea>
              </td>
          <td><a class="button remove-row" href="#">Remove</a></td>
        </tr>
      </tbody>
    </table>
    <p><a id="add-row" class="button" href="#">Add another</a></p>
     <?php
    }
    add_action('save_post', 'custom_repeatable_meta_box_save');
    function custom_repeatable_meta_box_save($post_id) {
        if ( ! isset( $_POST['gpm_repeatable_meta_box_nonce'] ) ||
        ! wp_verify_nonce( $_POST['gpm_repeatable_meta_box_nonce'], 'gpm_repeatable_meta_box_nonce' ) )
            return;
    
        if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE)
            return;
    
        if (!current_user_can('edit_post', $post_id))
            return;
    
        $old = get_post_meta($post_id, 'customdata_group', true);
        $new = array();
        $invoiceItems = $_POST['TitleItem'];
        $prices = $_POST['TitleDescription'];
         $count = count( $invoiceItems );
         for ( $i = 0; $i < $count; $i++ ) {
            if ( $invoiceItems[$i] != '' ) :
                $new[$i]['TitleItem'] = stripslashes( strip_tags( $invoiceItems[$i] ) );
                 $new[$i]['TitleDescription'] = stripslashes( $prices[$i] ); //and however you want to sanitize
            endif;
        }
        if ( !empty( $new ) && $new != $old )
            update_post_meta( $post_id, 'customdata_group', $new );
        elseif ( empty($new) && $old )
            delete_post_meta( $post_id, 'customdata_group', $old );
    
    
    }
    • ist es moeglich zu speichern separat die Werte von Metaboxen Felder, durch die Unterscheidung jede Zeile Gruppe?

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