class views_plugin_argument_validate_node in Views (for Drupal 7) 6.2

Validate whether an argument is an acceptable node.

Hierarchy

• class \views_object
  • class \views_plugin
    • class \views_plugin_argument_validate
      • class \views_plugin_argument_validate_node

1 string reference to 'views_plugin_argument_validate_node'

node_views_plugins in modules/node.views.inc

Implementation of hook_views_plugins

File

modules/node/views_plugin_argument_validate_node.inc, line 10

Contains the 'node' argument validator plugin.

class views_plugin_argument_validate_node extends views_plugin_argument_validate {
  var $option_name = 'validate_argument_node_type';
  function validate_form(&$form, &$form_state) {
    $types = node_get_types();
    foreach ($types as $type => $info) {
      $options[$type] = check_plain(t($info->name));
    }
    $arg = $this
      ->get_argument();
    if (empty($arg)) {
      $arg = array();
    }
    $form[$this->option_name] = array(
      '#type' => 'checkboxes',
      '#prefix' => '<div id="edit-options-validate-argument-node-type-wrapper">',
      '#suffix' => '</div>',
      '#title' => t('Types'),
      '#options' => $options,
      '#default_value' => $arg,
      '#description' => t('If you wish to validate for specific node types, check them; if none are checked, all nodes will pass.'),
      '#process' => array(
        'expand_checkboxes',
        'views_process_dependency',
      ),
      '#dependency' => array(
        'edit-options-validate-type' => array(
          $this->id,
        ),
      ),
    );
    $form['validate_argument_node_access'] = array(
      '#type' => 'checkbox',
      '#title' => t('Validate user has access to the node'),
      '#default_value' => !empty($this->argument->options['validate_argument_node_access']),
      '#process' => array(
        'views_process_dependency',
      ),
      '#dependency' => array(
        'edit-options-validate-type' => array(
          $this->id,
        ),
      ),
    );
    $form['validate_argument_nid_type'] = array(
      '#type' => 'select',
      '#title' => t('Argument type'),
      '#options' => array(
        'nid' => t('Node ID'),
        'nids' => t('Node IDs separated by , or +'),
      ),
      '#default_value' => isset($this->argument->options['validate_argument_nid_type']) ? $this->argument->options['validate_argument_nid_type'] : 'nid',
      '#process' => array(
        'views_process_dependency',
      ),
      '#dependency' => array(
        'edit-options-validate-type' => array(
          $this->id,
        ),
      ),
    );
  }
  function validate_argument($argument) {
    $types = array_filter($this->argument->options[$this->option_name]);
    $type = isset($this->argument->options['validate_argument_nid_type']) ? $this->argument->options['validate_argument_nid_type'] : 'nid';
    switch ($type) {
      case 'nid':
        if (!is_numeric($argument)) {
          return FALSE;
        }
        $node = node_load($argument);
        if (!$node) {
          return FALSE;
        }
        if (!empty($this->argument->options['validate_argument_node_access'])) {
          if (!node_access('view', $node)) {
            return FALSE;
          }
        }

        // Save the title() handlers some work.
        $this->argument->validated_title = check_plain($node->title);
        if (empty($types)) {
          return TRUE;
        }
        return isset($types[$node->type]);
        break;
      case 'nids':
        $nids = new stdClass();
        $nids->value = array(
          $argument,
        );
        $nids = views_break_phrase($argument, $nids);
        if ($nids->value == -1) {
          return FALSE;
        }
        $placeholders = implode(', ', array_fill(0, sizeof($nids->value), '%d'));
        $test = drupal_map_assoc($nids->value);
        $titles = array();
        $result = db_query("SELECT * FROM {node} WHERE nid IN ({$placeholders})", $nids->value);
        while ($node = db_fetch_object($result)) {
          if ($types && empty($types[$node->type])) {
            return FALSE;
          }
          if (!empty($this->argument->options['validate_argument_node_access'])) {
            if (!node_access('view', $node)) {
              return FALSE;
            }
          }
          $titles[] = check_plain($node->title);
          unset($test[$node->nid]);
        }
        $this->argument->validated_title = implode($nids->operator == 'or' ? ' + ' : ', ', $titles);

        // If this is not empty, we did not find a nid.
        return empty($test);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
views_object::$options		property	Except for displays, options for the object will be held here.	1
views_object::construct		function	Views handlers use a special construct function so that we can more easily construct them with variable arguments.	5
views_object::destroy		function		2
views_object::options		function	Set default options on this object. Called by the constructor in a complex chain to deal with backward compatibility.	1
views_object::option_definition		function	Information about options for all kinds of purposes will be held here.	9
views_object::set_default_options		function	Set default options. For backward compatibility, it sends the options array; this is a feature that will likely disappear at some point.
views_object::set_definition		function	Let the handler know what its full definition is.
views_object::unpack_options		function	Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away.
views_object::_set_option_defaults		function		1
views_plugin::additional_theme_functions		function	Provide a list of additional theme functions for the theme information page
views_plugin::options_form		function	Provide a form to edit options for this plugin.	5
views_plugin::options_submit		function	Handle any special handling on the validate form.	3
views_plugin::options_validate		function	Validate the options form.	3
views_plugin::query		function	Add anything to the query that we might need to.	3
views_plugin::theme_functions		function	Provide a full list of possible theme templates used by this style.
views_plugin::validate		function	Validate that the plugin is correct and can be saved.	2
views_plugin_argument_validate::access		function	Determine if the administrator has the privileges to use this plugin	2
views_plugin_argument_validate::argument_form		function
views_plugin_argument_validate::check_access		function	If we don't have access to the form but are showing it anyway, ensure that the form is safe and cannot be changed from user input.
views_plugin_argument_validate::get_argument		function	Return the validate argument.
views_plugin_argument_validate::init		function	Initialize this plugin with the view and the argument it is linked to. Overrides views_plugin::init
views_plugin_argument_validate_node::$option_name		property	Overrides views_plugin_argument_validate::$option_name
views_plugin_argument_validate_node::validate_argument		function	Overrides views_plugin_argument_validate::validate_argument
views_plugin_argument_validate_node::validate_form		function	Overrides views_plugin_argument_validate::validate_form