Benutzerdefinierter Spalten erstellen

// Benutzerdefinierte Spalten hinzufügen
add_filter("manage_edit-events_columns", "edit_event_columns" );
add_action("manage_posts_events_column", "custom_event_columns");
function edit_event_columns($event_columns){
        $event_columns = array(
                "cb" => "<input type ='checkbox' />",
                "title" => "Event",
                "event_date" => "Wann",
                "event_location" => "Location"
        );
        return $event_columns;
}
function custom_event_columns($event_column){
        global $post;
        switch ($event_column)
        {
        case "event_date":
   $event_date = get_post_meta($post->ID, 'event_date', true);
            echo $event_date;
        break;
  
  case "event_location":
   $event_location = get_post_meta($post->ID, 'event_location', true);
            echo $event_location;
        break;
   
        }
}

//add a filter and an action to the events custom post type
 add_filter('manage_edit-events_columns', 'events_edit_columns');
 add_action('manage_posts_custom_column', 'events_custom_columns');
//edit events columns names
 function events_edit_columns ($columns) {
  $columns = array(
    "cb" => "<input type=\"checkbox\" />",
    "title" => "Event Name",
    "location" => "Location",
    "eventdate" => "Wann",
    "author" => "Autor",
    "date" => "Create"
   );
  return $columns;
 }
 //edit content for all the added columns
 //for the events custom post type
 function events_custom_columns ($column) {
  global $post;
  switch($column)
  {
   case "location":
    $custom = get_post_custom();
    echo $custom["event_location"][0];
    break;
   case "eventdate":
    $custom = get_post_custom();
    echo $custom['event_date'][0];
    break;
   case "start":
    $custom = get_post_custom();
    echo $custom['event_start'][0];
    break;
  }
 }

//add a filter and an action to the events custom post type
 add_filter('manage_edit-events_columns', 'events_edit_columns');
 add_action('manage_posts_custom_column', 'events_custom_columns');
//edit events columns names
 function events_edit_columns ($columns) {
  $columns = array(
    "cb" => "<input type=\"checkbox\" />",
    "title" => "Event Name",
    "location" => "Location",
    "eventdate" => "Datum",
    "start" => "Start + Ende",
    "eventdate" => "Wann",
    "author" => "Autor",
    "date" => "Create"
   );
  return $columns;
 }
 //edit content for all the added columns
 //for the events custom post type
 function events_custom_columns ($column) {
  global $post;
     
  switch($column)
  {
   case "location":
    $custom = get_post_custom();
    echo ' ' . $custom["event_desc"][0] .' <br>';
    echo $custom["event_location"][0];    
    break;
    
   case "eventdate":
    //$custom = get_post_custom();
    //echo $custom['event_date'][0];   
    $custom = get_post_custom();
    $custom_date = $custom['event_date'][0];
    $eventdate  = date('d.m.Y',strtotime($custom_date));
    echo '<em>'.$eventdate .'</em>';        
    break;
    
   case "start":
    $custom = get_post_custom();
    echo '<em>'.$custom['event_start_time'][0].' - '.$custom['event_end_time'][0].'</em>';
    break;
  }
 }

//add a filter and an action to the events custom post type
 add_filter('manage_edit-events_columns', 'events_edit_columns');
 add_action('manage_posts_custom_column', 'events_custom_columns');
//edit events columns names
 function events_edit_columns ($columns) {
  $columns = array(
    "cb" => "<input type=\"checkbox\" />",
    "title" => "Event Name",
    "location" => "Location",
    "eventdate" => "Datum",
    "start" => "Start + Ende",
    "eventdate" => "Wann",
    "author" => "Autor",
    "date" => "Erstellt"
   );
  return $columns;
 }
 //edit content for all the added columns
 //for the events custom post type
 function events_custom_columns ($column) {
  global $post;
     
  switch($column)
  {
   case "location":
    $custom = get_post_custom();
    echo ' ' . $custom["event_desc"][0] .' <br>';
    echo $custom["event_location"][0];    
    break;
    
   case "eventdate":
    //$custom = get_post_custom();
    //echo $custom['event_date'][0];   
    $custom = get_post_custom();
    $custom_date = $custom['event_date'][0];
    $eventdate  = date('d.m.Y',strtotime($custom_date));
    echo '<em>'.$eventdate .'</em>';        
    break;
    
   case "start":
    $custom = get_post_custom();
    echo '<em>'.$custom['event_start_time'][0].' - '.$custom['event_end_time'][0].'</em>';
    break;
  }
 }
// Spaltenbreite anpassen
add_action('admin_head', 'hidey_admin_head');
function hidey_admin_head() {
    echo '<style type="text/css">';
 echo '.column-eventlocation { width:100px }';
    echo '.column-eventdate { width:100px }';
    echo '.column-start { width:100px }';
    echo '.column-author { width:100px }';
    echo '.column-title a { width:50% }';
    echo '</style>';
}