Club Drupal

<?php

/**

 * @file

 * 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 {

  var $link_type;

  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['uid'] = 'uid';

    $this->additional_fields['node_uid'] = array(

      'table' => 'node',

      'field' => 'uid',

    );

  }

  function allow_advanced_render() {

    return FALSE;

  }

  function option_definition() {

    $options = parent::option_definition();

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

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

    return $options;

  }

  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'],

    );

  }

  function query() {

    $this->ensure_my_table();

    // Join to the node table to retrieve the node UID.

    $join = new views_join();

    $join->construct('node', $this->table_alias, 'nid', 'nid');

    $this->query->ensure_table('node', $this->relationship, $join);

    $this->add_additional_fields();

  }

  function render($values) {

    $submission = new stdClass();

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

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

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

    $node = (object) array(

      'nid' => $submission->nid,

      'uid' => $values->{$this->aliases['node_uid']},

    );

    switch ($this->link_type) {

      case 'view':

        $text = !empty($this->options['text']) ? $this->options['text'] : t('view');

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

        $access = webform_submission_access($node, $submission, 'view');

        break;

      case 'edit':

        $text = !empty($this->options['text']) ? $this->options['text'] : t('edit');

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

        $access = webform_submission_access($node, $submission, 'edit');

        break;

      case 'delete':

        $text = !empty($this->options['text']) ? $this->options['text'] : t('delete');

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

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

        $access = webform_submission_access($node, $submission, 'delete');

        break;

      default:

        $text = '';

        $link = NULL;

        $access = FALSE;

    }

    if (!$access) {

      return;

    }

    return $link;

  }

}