Club Drupal

<?php

/**

 * Views handler to display links to a submission.

 *

 * Field handler to present a link to the user.

 */

class webform_handler_field_submission_link extends views_handler_field {

  public $link_type;

  /**

   *

   */

  public function construct() {

    // We need to set this property before calling the construct() chain

    // as we use it in the option_definintion() call.

    $this->link_type = $this->definition['link_type'];

    parent::construct();

    $this->additional_fields['sid'] = 'sid';

    $this->additional_fields['nid'] = 'nid';

    $this->additional_fields['serial'] = 'serial';

    $this->additional_fields['is_draft'] = 'is_draft';

  }

  /**

   *

   */

  public function allow_advanced_render() {

    return FALSE;

  }

  /**

   *

   */

  public function option_definition() {

    $options = parent::option_definition();

    $options['label'] = array('default' => '', 'translatable' => TRUE);

    $options['text'] = array('default' => $this->link_type, 'translatable' => TRUE);

    $options['access_check'] = array('default' => TRUE);

    return $options;

  }

  /**

   *

   */

  public function options_form(&$form, &$form_state) {

    parent::options_form($form, $form_state);

    $form['text'] = array(

      '#type' => 'textfield',

      '#title' => t('Text to display'),

      '#default_value' => $this->options['text'],

      '#description' => t('The token [serial] will be replaced with the serial number and draft indication.'),

    );

    $form['access_check'] = array(

      '#type' => 'checkbox',

      '#title' => t('Verify submission access for each link'),

      '#default_value' => $this->options['access_check'],

    );

  }

  /**

   *

   */

  public function render($values) {

    $sid = $values->{$this->aliases['sid']};

    $nid = $values->{$this->aliases['nid']};

    $serial = $values->{$this->aliases['serial']};

    $is_draft = $values->{$this->aliases['is_draft']};

    $text = str_ireplace('[serial]',

                          $serial . ($is_draft ? ' (' . t('draft') . ')' : ''),

                          $this->options['text']);

    switch ($this->link_type) {

      case 'view':

        $text = !empty($text) ? $text : t('view');

        $link = l($text, "node/$nid/submission/$sid");

        break;

      case 'edit':

        $text = !empty($text) ? $text : t('edit');

        $link = l($text, "node/$nid/submission/$sid/edit");

        break;

      case 'delete':

        $text = !empty($text) ? $text : t('delete');

        $path = drupal_get_path_alias($_GET['q']);

        $link = l($text, "node/$nid/submission/$sid/delete", array('query' => array('destination' => $path)));

        break;

      default:

        return;

    }

    if ($this->options['access_check']) {

      module_load_include('inc', 'webform', 'includes/webform.submissions');

      $node = node_load($nid);

      $submission = webform_get_submission($nid, $sid);

      if (!webform_submission_access($node, $submission, $this->link_type)) {

        return;

      }

    }

    return $link;

  }

}