js_example.module

<?php

/**
 * @file
 * Examples showing how to use some of the new JavaScript features in Drupal 7.
 */

/**
 * @defgroup js_example Example: JavaScript
 * @ingroup examples
 * @{
 * Examples using Drupal 7's built-in JavaScript.
 */

/**
 * Implements hook_theme().
 */
function js_example_theme() {
  return array(
    'my_accordion' => array(
      'template' => 'accordion',
      'variables' => array('title' => NULL),
    ),
  );
}

/**
 * Implements hook_menu().
 */
function js_example_menu() {
  $items = array();
  $items['js_example/weights'] = array(
    'title' => 'JS Example: see weighting in action',
    'page callback' => 'js_example_js_weights',
    'access callback' => TRUE,
  );
  $items['js_example/accordion'] = array(
    'title' => 'JS Example: jQuery UI accordion',
    'page callback' => 'js_example_accordion',
    'access callback' => TRUE,
  );
  return $items;
}

/**
 * js_example_weights implementation.
 */
function js_example_js_weights() {
  // Add some css to show which line is output by which script
  drupal_add_css(drupal_get_path('module', 'js_example') . '/css/jsweights.css');
  //
  $weights = array(
    'red' => 100,
    'blue' => 23,
    'green' => 3,
    'brown' => 45,
    'black' => 5,
    'purple' => 60
  );
  drupal_add_js(array('js_weights' => $weights), array('type' => 'setting'));
  drupal_add_js(drupal_get_path('module', 'js_example') . '/js/red.js', array('weight' => $weights['red']));
  drupal_add_js(drupal_get_path('module', 'js_example') . '/js/blue.js', array('weight' => $weights['blue']));
  drupal_add_js(drupal_get_path('module', 'js_example') . '/js/green.js', array('weight' => $weights['green']));
  drupal_add_js(drupal_get_path('module', 'js_example') . '/js/brown.js', array('weight' => $weights['brown']));
  drupal_add_js(drupal_get_path('module', 'js_example') . '/js/black.js', array('weight' => $weights['black']));
  drupal_add_js(drupal_get_path('module', 'js_example') . '/js/purple.js', array('weight' => $weights['purple']));
  $output = '<div id="js-weights"></div>';
  return $output;
}

/**
 * js_example_accordion implementation.
 */
function js_example_accordion() {
  $title = t('Click sections to expand or collapse:');
  $build['myelement'] = array(
    '#theme' => 'my_accordion',
    '#title' => $title,
  );
  $build['myelement']['#attached']['library'][] = array('system', 'ui.accordion');
  $build['myelement']['#attached']['js'][] = array('data' => '(function($){$(function() { $("#accordion").accordion(); })})(jQuery);', 'type' => 'inline');
  $output = drupal_render($build);
  return $output;
}