addthis.module

   1 <?php
   2 // $Id$
   3
   4 /**
   5  * @file
   6  * Stand alone module file to handle AddThis button integration
   7  */
   8
   9 /**
  10  * Implementation of hook_perm().
  11  */
  12 function addthis_perm() {
  13   $perms[] = 'administer addthis';
  14   $perms[] = 'view addthis';
  15   return $perms;
  16 }
  17
  18 /**
  19  * Implementation of hook_link().
  20  */
  21 function addthis_link($type, $node=NULL, $teaser = FALSE) {
  22   $links = array();
  23
  24   if ($type === 'node' && user_access('view addthis')) {
  25     if (($teaser && variable_get('addthis_display_in_teasers', '0')) ||
  26       (!$teaser && variable_get('addthis_display_in_links', '0'))) {
  27       $links['addthis'] = array(
  28           'title' => _addthis_create_button($node, $teaser),
  29           'html' => TRUE,
  30         );
  31     }
  32   }
  33
  34   return $links;
  35 }
  36 /**
  37  * Implementation of hook_menu().
  38  */
  39 function addthis_menu() {
  40   $items = array();
  41
  42   $items['admin/settings/addthis'] = array(
  43     'title'            => t('AddThis'),
  44     'description'      => t('Set username and customize look and feel for <a href="http://www.addthis.com/">AddThis</a> button.'),
  45     'page callback'    => 'drupal_get_form',
  46     'page arguments'   => array('addthis_admin_settings'),
  47     'access arguments' => array('administer addthis'),
  48     'file'             => 'addthis.admin.inc',
  49   );
  50
  51   return $items;
  52 }
  53
  54 /**
  55  * Implementation of hook_block().
  56  */
  57 function addthis_block($op = 'list', $delta = 0) {
  58   if ($op == 'list') {
  59     $blocks[0]['info'] = t('AddThis button');
  60     return $blocks;
  61   }
  62   else if ($op == 'view' && user_access('view addthis')) {
  63     $block['subject'] = t('AddThis');
  64     $block['content'] = _addthis_create_button();
  65     return $block;
  66   }
  67 }
  68
  69 /**
  70  * Internal function to generate code for AddThis button
  71  *
  72  * @return
  73  *   String containing html code for the button
  74  */
  75 function _addthis_create_button($node=NULL, $teaser = FALSE) {
  76   global $_addthis_counter;
  77   $_addthis_counter++;
  78   if ($_addthis_counter == 1) {
  79       drupal_add_css((drupal_get_path('module', 'addthis') .'/addthis.css'));
  80       drupal_add_js(sprintf('
  81        addthis_pub = \'%s\';
  82        addthis_logo = \'%s\';
  83        addthis_logo_background = \'%s\';
  84        addthis_logo_color = \'%s\';
  85        addthis_brand = \'%s\';
  86        addthis_options = \'%s\';
  87    ',
  88         variable_get('addthis_username', 'my-username'),
  89         variable_get('addthis_logo', 'http://www.addthis.com/images/yourlogo.png'),
  90         variable_get('addthis_logo_background', 'EFEFFF'),
  91         variable_get('addthis_logo_color', '666699'),
  92         variable_get('addthis_brand', 'Your Site'),
  93         variable_get('addthis_options', 'favorites, email, digg, delicious, myspace, facebook, google, live, more')
  94       ), 'inline');
  95   }
  96
  97   if (variable_get('addthis_dropdown_disabled', '0')) {
  98     return ( sprintf('
  99       <div class="addthis"><a href="http://www.addthis.com/bookmark.php"
 100         onclick="addthis_url   = location.href; addthis_title = document.title; return addthis_click(this);">
 101       <img src="%s" width="%d" height="%d" %s /></a></div>
 102       ',
 103       variable_get('addthis_image', 'http://s9.addthis.com/button1-share.gif'),
 104       variable_get('addthis_image_width', '125'),
 105       variable_get('addthis_image_height', '16'),
 106       variable_get('addthis_image_attributes', 'alt=""')
 107     ));
 108   }
 109   else {
 110     return ( sprintf('
 111       <div class="addthis"><a href="http://www.addthis.com/bookmark.php"
 112         onmouseover="return addthis_open(this, \'\', \'%s\', \'%s\')"
 113         onmouseout="addthis_close()"
 114         onclick="return addthis_sendto()"><img src="%s" width="%d" height="%d" %s /></a></div>
 115       <script type="text/javascript" src="http://s7.addthis.com/js/152/addthis_widget.js"></script>
 116       ',
 117       $teaser ? url('node/'. $node->nid, array('absolute' => 1) ) : '[URL]',
 118       $teaser ? addslashes($node->title) : '[TITLE]',
 119       variable_get('addthis_image', 'http://s9.addthis.com/button1-share.gif'),
 120       variable_get('addthis_image_width', '125'),
 121       variable_get('addthis_image_height', '16'),
 122       variable_get('addthis_image_attributes', 'alt=""')
 123     ));
 124   }
 125 }