<?php

/**
 * Access plugin that provides role-based access control.
 */
class og_context_plugin_access_og_role extends views_plugin_access {
  function access($account) {
    if ($group = og_context($this->options['group_type'])) {
		return og_user_check_roles($group['group_type'], $group['gid'], array_filter($this->options['og_role']), $account);
	}
  }

  function get_access_callback() {
	if ($group = og_context($this->options['group_type'])) {
		return array('og_user_check_roles', array($group['group_type'], $group['gid'], array_filter($this->options['og_role'])));
	}
	return TRUE;
  }

  function summary_title() {
    $count = count($this->options['og_role']);
    if ($count < 1) {
      return t('No role(s) selected');
    }
    elseif ($count > 1) {
      return t('Multiple roles');
    }
    else {
	  $rids = og_get_all_roles();
	  $rid = reset($this->options['og_role']);
	  return check_plain($rids[$rid]);
    }
  }


  function option_definition() {
    $options = parent::option_definition();
    $options['og_role'] = array('default' => array());
    $options['group_type'] = array('default' => 'node');

    return $options;
  }

  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $form['og_role'] = array(
      '#type' => 'checkboxes',
      '#title' => t('Role'),
      '#default_value' => $this->options['og_role'],
      '#options' => array_map('check_plain', og_get_all_roles()),
      '#description' => t('Only the checked roles will be able to access this display. Note that users with "access all views" can see any view, regardless of role.'),
    );
	$form['group_type'] = array(
      '#type' => 'select',
      '#options' => og_get_all_group_entity(),
      '#title' => t('Group type'),
      '#default_value' => $this->options['group_type'],
      '#description' => t('Determine what entity type that group should be of.')
    );
  }

  function options_validate(&$form, &$form_state) {
    if (!array_filter($form_state['values']['access_options']['og_role'])) {
      form_error($form['og_role'], t('You must select at least one role if type is "by role"'));
    }
  }

  function options_submit(&$form, &$form_state) {
    $form_state['values']['access_options']['og_role'] = array_filter($form_state['values']['access_options']['og_role']);
  }
}