views/filefield_handler_field_data.inc

   1 <?php
   2
   3 /**
   4  * @file
   5  * filefield_handler_field_data.inc
   6  *
   7  * Provides a handler for displaying values within the serialized data column.
   8  */
   9 class filefield_handler_field_data extends views_handler_field_node {
  10
  11   function option_definition() {
  12     $options = parent::option_definition();
  13     $options['data_key'] = array('default' => 'description');
  14     return $options;
  15   }
  16
  17   function options_form(&$form, &$form_state) {
  18     parent::options_form($form, $form_state);
  19
  20     $options = array();
  21     $info = filefield_data_info();
  22     foreach ($info as $key => $data) {
  23       $options[$key] = $data['title'] . ' (' . $data['module'] .')';
  24     }
  25
  26     $form['data_key'] = array(
  27       '#title' => t('Data key'),
  28       '#type' => 'radios',
  29       '#options' => $options,
  30       '#required' => TRUE,
  31       '#default_value' => $this->options['data_key'],
  32       '#description' => t('The data column may contain only a few or none any of these data options. The name of the module that provides the data is shown in parentheses.'),
  33       '#weight' => 4,
  34     );
  35   }
  36
  37   function admin_summary() {
  38     // Display the data to be displayed.
  39     $info = filefield_data_info();
  40     return isset($info[$this->options['data_key']]['title']) ? $info[$this->options['data_key']]['title'] : $this->options['data_key'];
  41   }
  42
  43   function render($values) {
  44     $values = drupal_clone($values); // Prevent affecting the original.
  45     $data = unserialize($values->{$this->field_alias});
  46     $values->{$this->field_alias} = filefield_data_value($this->options['data_key'], $data[$this->options['data_key']]);
  47
  48     // Copied from views_handler_field_node(). We just remove the call to
  49     // sanitize_value() from the original call, becaue our value has already
  50     // been cleaned by filefield_data_value().
  51     return $this->render_link($values->{$this->field_alias}, $values);
  52   }
  53
  54 }