responsive_background.module in Responsive Background Images 7

File

responsive_background.module

<?php

/**
 * @file
 * Responsive Background Module
 *
 * @author: Daniel Honrade http://drupal.org/user/351112
 *
 * Note: Obviously, this will not work unless the javascript is on.
 *
 */
@(include_once dirname(__FILE__) . '/responsive_background.utils.inc');

/**
 * Implements hook_init().
 *
 * Sets the defaults global
 *
 */
function responsive_background_init() {
  global $_responsive_background_defaults;
  global $_responsive_background_set;
  $_responsive_background_defaults = array(
    'enabled' => 1,
    // always enabled by default
    'position' => 'fixed',
    'center' => 0,
    'top' => 0,
    'height' => '',
    'bp320' => 'none',
    'bp480' => 'none',
    'bp640' => 'none',
    'bp800' => 'none',
    'bp960' => 'none',
    'bp1120' => 'none',
    'bp1280' => 'none',
    'bp1440' => 'none',
    'bp1600' => 'none',
    'images' => array(),
    'exclude' => 'admin*',
  );
  $_responsive_background_set = variable_get('responsive_background', $_responsive_background_defaults);
}

/**
 * Implements hook_menu().
 *
 */
function responsive_background_menu() {
  $items = array();
  $items['admin/config/media/responsive_background'] = array(
    'title' => 'Responsive Background Images',
    'page callback' => 'drupal_get_form',
    'access callback' => 'user_access',
    'access arguments' => array(
      'administer responsive_background',
    ),
    'page arguments' => array(
      'responsive_background_admin',
      NULL,
    ),
    'type' => MENU_NORMAL_ITEM,
    'file' => 'responsive_background.admin.inc',
    'description' => 'Configure Responsive Background Images',
  );
  return $items;
}

/**
 * Implements hook_perm().
 *
 */
function responsive_background_permission() {
  return array(
    'administer responsive_background' => array(
      'title' => t('Administer Background Images'),
      'description' => t('Perform administration tasks for Responsive Background Images.'),
    ),
  );
}

/**
 * Implements hook_process_html().
 *
 * Initialize the trigger for responsive background
 *
 */
function responsive_background_preprocess_page(&$vars) {
  global $_responsive_background_set;
  $settings = $_responsive_background_set;
  if ($settings['enabled'] && !drupal_match_path($_GET['q'], $settings['exclude'])) {
    drupal_add_js('sites/all/libraries/jquery.cycle/jquery.cycle.all.min.js');
  }
}

/**
 * Implements hook_process_html().
 *
 * Initialize the trigger for responsive background
 *
 */
function responsive_background_process_html(&$vars) {
  global $_responsive_background_set;
  $settings = $_responsive_background_set;
  if ($settings['enabled'] && !drupal_match_path($_GET['q'], $settings['exclude'])) {

    // other options
    $position = $settings['position'];

    // fixed/absolute
    $center = $settings['center'];

    // if the image is bigger than the container or window, it will be centered
    $top = $settings['top'];

    // top position
    $height = $settings['height'];

    // backround height
    // get rendered images
    $images = responsive_background_get_images();

    // get all images
    $image_files = '';
    foreach ($images as $key => $image) {
      $image_files .= '<div class="responsive-background-slide"><img id="responsive-background-image-' . $key . '" src="' . $image . '" class="responsive-background-image" alt="Background Image" /></div>';
    }

    // responsive background output
    $image_wrapper = '<div id="responsive-background-image-wrapper">' . $image_files . '</div>';
    $responsive_background_init = $image_wrapper . '

      <script type="text/javascript">
        (function($){
          $(".responsive-background-image").responsive_background({
            position: "' . $position . '",
            center: ' . $center . ',
            top: "' . $top . '",
            height: "' . $height . '",
            bp320: "' . $settings['bp320'] . '",
            bp480: "' . $settings['bp480'] . '",
            bp640: "' . $settings['bp640'] . '",
            bp800: "' . $settings['bp800'] . '",
            bp960: "' . $settings['bp960'] . '",
            bp1120: "' . $settings['bp1120'] . '",
            bp1280: "' . $settings['bp1280'] . '",
            bp1440: "' . $settings['bp1440'] . '",
            bp1600: "' . $settings['bp1600'] . '"
          });
        })(jQuery);
      </script>';
    $vars['page_bottom'] .= $responsive_background_init;
  }
}

Functions

Name	Description
responsive_background_init	Implements hook_init().
responsive_background_menu	Implements hook_menu().
responsive_background_permission	Implements hook_perm().
responsive_background_preprocess_page	Implements hook_process_html().
responsive_background_process_html	Implements hook_process_html().