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   1  <?php
   2  
   3  /**
   4   * @file
   5   * Views handler to display links to a submission.
   6   */
   7  
   8  /**
   9   * Field handler to present a link to the user.
  10   */
  11  class webform_handler_field_submission_link extends views_handler_field {
  12    var $link_type;
  13  
  14    function construct() {
  15      // We need to set this property before calling the construct() chain
  16      // as we use it in the option_definintion() call.
  17      $this->link_type = $this->definition['link_type'];
  18  
  19      parent::construct();
  20      $this->additional_fields['sid'] = 'sid';
  21      $this->additional_fields['nid'] = 'nid';
  22      $this->additional_fields['uid'] = 'uid';
  23  
  24      $this->additional_fields['node_uid'] = array(
  25        'table' => 'node',
  26        'field' => 'uid',
  27      );
  28    }
  29  
  30    function allow_advanced_render() {
  31      return FALSE;
  32    }
  33  
  34    function option_definition() {
  35      $options = parent::option_definition();
  36      $options['label'] = array('default' => '', 'translatable' => TRUE);
  37      $options['text'] = array('default' => $this->link_type, 'translatable' => TRUE);
  38      return $options;
  39    }
  40  
  41    function options_form(&$form, &$form_state) {
  42      parent::options_form($form, $form_state);
  43      $form['text'] = array(
  44        '#type' => 'textfield',
  45        '#title' => t('Text to display'),
  46        '#default_value' => $this->options['text'],
  47      );
  48    }
  49  
  50    function query() {
  51      $this->ensure_my_table();
  52  
  53      // Join to the node table to retrieve the node UID.
  54      $join = new views_join();
  55      $join->construct('node', $this->table_alias, 'nid', 'nid');
  56      $this->query->ensure_table('node', $this->relationship, $join);
  57  
  58      $this->add_additional_fields();
  59    }
  60  
  61    function render($values) {
  62      $submission = new stdClass();
  63      $submission->sid = $values->{$this->aliases['sid']};
  64      $submission->nid = $values->{$this->aliases['nid']};
  65      $submission->uid = $values->{$this->aliases['uid']};
  66      $node = (object) array(
  67        'nid' => $submission->nid,
  68        'uid' => $values->{$this->aliases['node_uid']},
  69      );
  70  
  71      switch ($this->link_type) {
  72        case 'view':
  73          $text = !empty($this->options['text']) ? $this->options['text'] : t('view');
  74          $link = l($text, "node/$submission->nid/submission/$submission->sid");
  75          $access = webform_submission_access($node, $submission, 'view');
  76          break;
  77        case 'edit':
  78          $text = !empty($this->options['text']) ? $this->options['text'] : t('edit');
  79          $link = l($text, "node/$submission->nid/submission/$submission->sid/edit");
  80          $access = webform_submission_access($node, $submission, 'edit');
  81          break;
  82        case 'delete':
  83          $text = !empty($this->options['text']) ? $this->options['text'] : t('delete');
  84          $path = drupal_get_path_alias($_GET['q']);
  85          $link = l($text, "node/$submission->nid/submission/$submission->sid/delete", array('query' => 'destination=' . $path));
  86          $access = webform_submission_access($node, $submission, 'delete');
  87          break;
  88        default:
  89          $text = '';
  90          $link = NULL;
  91          $access = FALSE;
  92      }
  93  
  94      if (!$access) {
  95        return;
  96      }
  97  
  98      return $link;
  99    }
 100  }