<?php
// $Id: modalframe_register.module,v 1.1.2.1 2010-07-17 04:47:16 markuspetrux Exp $

/**
 * @file
 * Opens Login and Register forms in a modal window.
 */

/**
 * Implementation of hook_theme().
 */
function modalframe_register_theme($existing, $type, $theme, $path) {
  return array(
    'modalframe_register_login_block' => array(
      'arguments' => array(),
    ),
    'modalframe_register_login_link' => array(
      'arguments' => array('attributes' => array(), 'query' => NULL),
    ),
    'modalframe_register_register_link' => array(
      'arguments' => array('attributes' => array(), 'query' => NULL),
    ),
    'modalframe_register_logout_link' => array(
      'arguments' => array('attributes' => array()),
    ),
    'modalframe_register_my_account_link' => array(
      'arguments' => array('attributes' => array()),
    ),
  );
}

/**
 * Implementation of hook_menu().
 */
function modalframe_register_menu() {
  $items = array();
  $items['modal/login'] = array(
    'title' => 'Login',
    'page callback' => 'modalframe_register_page_login_form',
    'access callback' => 'user_is_anonymous',
    'type' => MENU_CALLBACK,
  );
  $items['modal/register'] = array(
    'title' => 'Register',
    'page callback' => 'modalframe_register_page_register_form',
    'access callback' => 'user_register_access',
    'type' => MENU_CALLBACK,
  );
  $items['modal/register/welcome'] = array(
    'title' => 'Registration details',
    'page callback' => 'modalframe_register_page_welcome',
    'access callback' => 'user_is_logged_in',
    'type' => MENU_CALLBACK,
  );
  return $items;
}

/**
 * Implementation of hook_init().
 */
function modalframe_register_init() {
  if ($_GET['q'] == 'modal/register' || $_GET['q'] == 'modal/login' || $_GET['q'] == 'modal/register/welcome') {
    modalframe_child_js();
  }
}

/**
 * Implementation of hook_block().
 */
function modalframe_register_block($op = 'list', $delta = 0, $edit = array()) {
  global $user;
  if ($op == 'list') {
    $blocks[0] = array(
      'info' => t('Modal Frame Login/Register'),
    );
    return $blocks;
  }
  elseif ($op == 'view') {
    if ($delta == 0) {
      $block['subject'] = user_is_anonymous() ? t('Modal Frame Login/Register') : theme('username', $user);
      $block['content'] = theme('modalframe_register_login_block');
      return $block;
    }
  }
}

/**
 * Implementation of hook_form_alter().
 */
function modalframe_register_form_alter(&$form, $form_state, $form_id) {
  // Append our submit handler. This is required if we want a chance to
  // close the modal frame dialog.
  $form['#submit'][] = 'modalframe_register_form_submit';
  if ($form_id == 'user_register') {
    $form['#redirect'] = 'modal/register/welcome';
  }
}

/**
 * Submit handler for our node edit form example.
 */
function modalframe_register_form_submit($form, &$form_state) {
  if ($form_state['values']['op'] == t('Log in')) {
    modalframe_close_dialog(array(
      'message' => t('Processing the form...'),
    ));
  }
}

/**
 * Menu callback; login form in child window.
 */
function modalframe_register_page_login_form() {
  // Send the Modal Frame javascript for child windows to the page.
  modalframe_child_js();
  // Get the forms from the user module.
  module_load_include('inc', 'user', 'user.pages');
  // Render the page contents.
  $output = drupal_get_form('user_login');
  $output .= '<div><h3>'. t('Forgot your password?') .'</h3></div>';
  $output .= drupal_get_form('user_pass');
  return $output;
}

/**
 * Menu callback; registration form in child window.
 */
function modalframe_register_page_register_form() {
  // Send the Modal Frame javascript for child windows to the page.
  modalframe_child_js();
  // Render the page contents.
  module_load_include('inc', 'user', 'user.pages');
  return drupal_get_form('user_register');
}

/**
 * Menu callback; registration Welcome Page child window.
 */
function modalframe_register_page_welcome() {
  // Send the Modal Frame javascript for child windows to the page.
  modalframe_child_js();
  // Render the page contents.
  return t('Thank You! Your registration is accepted. Please check your email for further instructions to instantly activate your account.');
}

/**
 * The guts of the block with the modal register and login links on parent page.
 */
function theme_modalframe_register_login_block() {
  global $user;
  if (user_is_anonymous()) {
    modalframe_parent_js();
    drupal_add_js(drupal_get_path('module', 'modalframe_register') .'/modalframe_register.js');

    $items = array(
      theme('modalframe_register_login_link'),
    );
    if (user_register_access()) {
      $items[] = theme('modalframe_register_register_link');
    }

    $output = '<div class="modalframe-register-block-anonymous">';
    $output .= theme('item_list', $items);
    $output .= '</div>';
  }
  else {
    $items = array(
      theme('modalframe_register_my_account_link'),
      theme('modalframe_register_logout_link'),
    );

    $output = '<div class="modalframe-register-block-authenticated">';
    $output .= theme('item_list', $items);
    $output .= '</div>';
  }
  return $output;
}

/**
 * Theme the user login link.
 */
function theme_modalframe_register_login_link($attributes = array(), $query = NULL) {
  $attributes['class'] = (!empty($attributes['class']) ? $attributes['class'] .' modalframe-register' : 'modalframe-register');
  return l(t('Login'), 'modal/login', array('attributes' => $attributes, 'query' => (!empty($query) ? $query : drupal_get_destination())));
}

/**
 * Theme the registration link.
 */
function theme_modalframe_register_register_link($attributes = array(), $query = NULL) {
  $attributes['class'] = (!empty($attributes['class']) ? $attributes['class'] .' modalframe-register' : 'modalframe-register');
  return l(t('Register'), 'modal/register', array('attributes' => $attributes, 'query' => (!empty($query) ? $query : drupal_get_destination())));
}

/**
 * Theme the logout link.
 */
function theme_modalframe_register_logout_link($attributes = array()) {
  return l(t('Logout'), 'logout', array('attributes' => $attributes));
}

/**
 * Theme the My Account link.
 */
function theme_modalframe_register_my_account_link($attributes = array()) {
  global $user;
  $path = 'user/'. $user->uid;
  if (module_exists('path')) {
    $path = drupal_get_path_alias($path);
  }
  return l(t('My account'), $path, array('attributes' => $attributes));
}