views_plugin_argument_validate_node.inc in Views (for Drupal 7) 6.3

Contains the 'node' argument validator plugin.

File

modules/node/views_plugin_argument_validate_node.inc

<?php

/**
 * @file
 * Contains the 'node' argument validator plugin.
 */

/**
 * Validate whether an argument is an acceptable node.
 */
class views_plugin_argument_validate_node extends views_plugin_argument_validate {
  function option_definition() {
    $options = parent::option_definition();
    $options['types'] = array(
      'default' => array(),
    );
    $options['access'] = array(
      'default' => FALSE,
    );
    $options['access_op'] = array(
      'default' => 'view',
    );
    $options['nid_type'] = array(
      'default' => 'nid',
    );
    return $options;
  }
  function options_form(&$form, &$form_state) {
    $types = node_get_types();
    foreach ($types as $type => $info) {
      $options[$type] = check_plain(t($info->name));
    }
    $form['types'] = array(
      '#type' => 'checkboxes',
      '#title' => t('Types'),
      '#options' => $options,
      '#default_value' => $this->options['types'],
      '#description' => t('If you wish to validate for specific node types, check them; if none are checked, all nodes will pass.'),
    );
    $form['access'] = array(
      '#type' => 'checkbox',
      '#title' => t('Validate user has access to the node'),
      '#default_value' => $this->options['access'],
    );
    $form['access_op'] = array(
      '#type' => 'radios',
      '#title' => t('Access operation to check'),
      '#options' => array(
        'view' => t('View'),
        'update' => t('Edit'),
        'delete' => t('Delete'),
      ),
      '#default_value' => $this->options['access_op'],
    );
    $form['nid_type'] = array(
      '#type' => 'select',
      '#title' => t('Argument type'),
      '#options' => array(
        'nid' => t('Node ID'),
        'nids' => t('Node IDs separated by , or +'),
      ),
      '#default_value' => $this->options['nid_type'],
    );
  }
  function options_submit(&$form, &$form_state, &$options = array()) {

    // filter trash out of the options so we don't store giant unnecessary arrays
    $options['types'] = array_filter($options['types']);
  }
  function convert_options(&$options) {
    if (!isset($options['types']) && !empty($this->argument->options['validate_argument_node_type'])) {
      $options['types'] = isset($this->argument->options['validate_argument_node_type']) ? $this->argument->options['validate_argument_node_type'] : array();
      $options['access'] = !empty($this->argument->options['validate_argument_node_access']);
      $options['access_op'] = isset($this->argument->options['validate_argument_node_access_op']) ? $this->argument->options['validate_argument_node_access_op'] : 'view';
      $options['nid_type'] = $this->argument->options['validate_argument_nid_type'];
    }
  }
  function validate_argument($argument) {
    $types = $this->options['types'];
    switch ($this->options['nid_type']) {
      case 'nid':
        if (!is_numeric($argument)) {
          return FALSE;
        }
        $node = node_load($argument);
        if (!$node) {
          return FALSE;
        }
        if (!empty($this->options['access'])) {
          if (!node_access($this->options['access_op'], $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 == array(
          -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($this->options['access'])) {
            if (!node_access($this->options['access_op'], $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);
    }
  }

}

Classes

Name	Description
views_plugin_argument_validate_node	Validate whether an argument is an acceptable node.