crm.fsf.org/20131203/files/sites/all/modules-old/views/modules/system/views_handler_field_file.inc

   1 <?php
   2
   3 /**
   4  * @file
   5  * Definition of views_handler_field_file.
   6  */
   7
   8 /**
   9  * Field handler to provide simple renderer that allows linking to a file.
  10  *
  11  * @ingroup views_field_handlers
  12  */
  13 class views_handler_field_file extends views_handler_field {
  14   /**
  15    * Constructor to provide additional field to add.
  16    */
  17   function init(&$view, &$options) {
  18     parent::init($view, $options);
  19     if (!empty($options['link_to_file'])) {
  20       $this->additional_fields['uri'] = 'uri';
  21     }
  22   }
  23
  24   function option_definition() {
  25     $options = parent::option_definition();
  26     $options['link_to_file'] = array('default' => FALSE, 'bool' => TRUE);
  27     return $options;
  28   }
  29
  30   /**
  31    * Provide link to file option
  32    */
  33   function options_form(&$form, &$form_state) {
  34     $form['link_to_file'] = array(
  35       '#title' => t('Link this field to download the file'),
  36       '#description' => t("Enable to override this field's links."),
  37       '#type' => 'checkbox',
  38       '#default_value' => !empty($this->options['link_to_file']),
  39     );
  40     parent::options_form($form, $form_state);
  41   }
  42
  43   /**
  44    * Render whatever the data is as a link to the file.
  45    *
  46    * Data should be made XSS safe prior to calling this function.
  47    */
  48   function render_link($data, $values) {
  49     if (!empty($this->options['link_to_file']) && $data !== NULL && $data !== '') {
  50       $this->options['alter']['make_link'] = TRUE;
  51       $this->options['alter']['path'] = file_create_url($this->get_value($values, 'uri'));
  52     }
  53
  54     return $data;
  55   }
  56
  57   function render($values) {
  58     $value = $this->get_value($values);
  59     return $this->render_link($this->sanitize_value($value), $values);
  60   }
  61 }