crm.fsf.org/20131203/files/sites/all/modules-new/views/modules/node/views_plugin_argument_validate_node.inc

   1 <?php
   2
   3 /**
   4  * @file
   5  * Contains the 'node' argument validator plugin.
   6  */
   7
   8 /**
   9  * Validate whether an argument is an acceptable node.
  10  */
  11 class views_plugin_argument_validate_node extends views_plugin_argument_validate {
  12   function option_definition() {
  13     $options = parent::option_definition();
  14     $options['types'] = array('default' => array());
  15     $options['access'] = array('default' => FALSE, 'bool' => TRUE);
  16     $options['access_op'] = array('default' => 'view');
  17     $options['nid_type'] = array('default' => 'nid');
  18
  19     return $options;
  20   }
  21
  22   function options_form(&$form, &$form_state) {
  23     $types = node_type_get_types();
  24     $options = array();
  25     foreach ($types as $type => $info) {
  26       $options[$type] = check_plain(t($info->name));
  27     }
  28
  29     $form['types'] = array(
  30       '#type' => 'checkboxes',
  31       '#title' => t('Content types'),
  32       '#options' => $options,
  33       '#default_value' => $this->options['types'],
  34       '#description' => t('Choose one or more content types to validate with.'),
  35     );
  36
  37     $form['access'] = array(
  38       '#type' => 'checkbox',
  39       '#title' => t('Validate user has access to the content'),
  40       '#default_value' => $this->options['access'],
  41     );
  42     $form['access_op'] = array(
  43       '#type' => 'radios',
  44       '#title' => t('Access operation to check'),
  45       '#options' => array('view' => t('View'), 'update' => t('Edit'), 'delete' => t('Delete')),
  46       '#default_value' => $this->options['access_op'],
  47       '#dependency' => array('edit-options-validate-options-node-access' => array(TRUE)),
  48     );
  49
  50     $form['nid_type'] = array(
  51       '#type' => 'select',
  52       '#title' => t('Filter value format'),
  53       '#options' => array(
  54         'nid' => t('Node ID'),
  55         'nids' => t('Node IDs separated by , or +'),
  56       ),
  57       '#default_value' => $this->options['nid_type'],
  58     );
  59   }
  60
  61   function options_submit(&$form, &$form_state, &$options = array()) {
  62     // filter trash out of the options so we don't store giant unnecessary arrays
  63     $options['types'] = array_filter($options['types']);
  64   }
  65
  66   function convert_options(&$options) {
  67     if (!isset($options['types']) && !empty($this->argument->options['validate_argument_node_type'])) {
  68       $options['types'] = isset($this->argument->options['validate_argument_node_type']) ? $this->argument->options['validate_argument_node_type'] : array();
  69       $options['access'] = !empty($this->argument->options['validate_argument_node_access']);
  70       $options['access_op'] = isset($this->argument->options['validate_argument_node_access_op']) ? $this->argument->options['validate_argument_node_access_op'] : 'view';
  71       $options['nid_type'] = isset($this->argument->options['validate_argument_nid_type']) ? $this->argument->options['validate_argument_nid_type'] : array();
  72     }
  73   }
  74
  75   function validate_argument($argument) {
  76     $types = $this->options['types'];
  77
  78     switch ($this->options['nid_type']) {
  79       case 'nid':
  80         if (!is_numeric($argument)) {
  81           return FALSE;
  82         }
  83         $node = node_load($argument);
  84         if (!$node) {
  85           return FALSE;
  86         }
  87
  88         if (!empty($this->options['access'])) {
  89           if (!node_access($this->options['access_op'], $node)) {
  90             return FALSE;
  91           }
  92         }
  93
  94         // Save the title() handlers some work.
  95         $this->argument->validated_title = check_plain($node->title);
  96
  97         if (empty($types)) {
  98           return TRUE;
  99         }
 100
 101         return isset($types[$node->type]);
 102       break;
 103       case 'nids':
 104         $nids = new stdClass();
 105         $nids->value = array($argument);
 106         $nids = views_break_phrase($argument, $nids);
 107         if ($nids->value == array(-1)) {
 108           return FALSE;
 109         }
 110
 111         $test = drupal_map_assoc($nids->value);
 112         $titles = array();
 113
 114         $result = db_query("SELECT * FROM {node} WHERE nid IN (:nids)", array(':nids' =>  $nids->value));
 115         foreach ($result as $node) {
 116           if ($types && empty($types[$node->type])) {
 117             return FALSE;
 118           }
 119
 120           if (!empty($this->options['access'])) {
 121             if (!node_access($this->options['access_op'], $node)) {
 122               return FALSE;
 123             }
 124           }
 125
 126           $titles[] = check_plain($node->title);
 127           unset($test[$node->nid]);
 128         }
 129
 130         $this->argument->validated_title = implode($nids->operator == 'or' ? ' + ' : ', ', $titles);
 131         // If this is not empty, we did not find a nid.
 132         return empty($test);
 133     }
 134   }
 135 }