t("User: compare"), 'description' => t('Compare two users (logged-in user and user being viewed, for example)'), 'callback' => 'ctools_compare_users_access_check', 'default' => array( 'equality' => 1, ), 'settings form' => 'ctools_compare_users_settings', 'summary' => 'ctools_compare_users_ctools_access_summary', 'required context' => array( new ctools_context_required(t('First User'), 'user'), new ctools_context_required(t("Second User"), 'user'), ), ); /** * Settings form for the 'by perm' access plugin. */ function ctools_compare_users_settings($form, &$form_state, $conf) { $form['settings']['helptext'] = array( '#type' => 'markup', '#value' => '

' . t('Grant access based on comparison of the two user contexts. For example, to grant access to a user to view their own profile, choose "logged in user" and "user being viewed" and say "grant access if equal". When they\'re the same, access will be granted.') . '

', ); $form['settings']['equality'] = array( '#type' => 'radios', '#title' => t('Grant access if user contexts are'), '#options' => array(1 => t('Equal'), 0 => t('Not equal')), '#default_value' => $conf['equality'], ); return $form; } /** * Check for access. */ function ctools_compare_users_access_check($conf, $context) { if (empty($context) || count($context) != 2 || empty($context[0]->data) || empty($context[1]->data)) { return FALSE; } $account1 = $context[0]->data; $account2 = $context[1]->data; // xor returns false if the two bools are the same, and true if they are not. // i.e, if we asked for equality and they are equal, return true. // If we asked for inequality and they are equal, return false. return ($account1->uid == $account2->uid) xor empty($conf['equality']); } /** * Describe an instance of this plugin. */ function ctools_compare_users_ctools_access_summary($conf, $context) { $comparison = !empty($conf['equality']) ? "is" : 'is not'; return t('@id1 @comp @id2', array('@comp' => $comparison, '@id1' => $context[0]->identifier, '@id2' => $context[1]->identifier)); }