query_string_exists.inc

<?php


/**
 * @file
 * Plugin for controlling access based on the existence of a query string.
 */
$plugin = array(
    'title' => t('Query string exists'),
    'description' => t('Control access by whether or not a query string exists.'),
    'callback' => 'ctools_query_string_exists_ctools_access_check',
    'settings form' => 'ctools_query_string_exists_ctools_access_settings',
    'summary' => 'ctools_query_string_exists_ctools_access_summary',
    'defaults' => array(
        'key' => '',
    ),
);

/**
 * Settings form.
 */
function ctools_query_string_exists_ctools_access_settings($form, &$form_state, $config) {
    $form['settings']['key'] = array(
        '#title' => t('Query string key'),
        '#description' => t('Enter the key of the query string.'),
        '#type' => 'textfield',
        '#required' => TRUE,
        '#default_value' => $config['key'],
    );
    return $form;
}

/**
 * Check for access.
 */
function ctools_query_string_exists_ctools_access_check($config, $context) {
    return isset($_GET[$config['key']]);
}

/**
 * Provide a summary description.
 */
function ctools_query_string_exists_ctools_access_summary($config, $context) {
    return t('@identifier exists', array(
        '@identifier' => $config['key'],
    ));
}