addthis.module in AddThis 7.2

Stand alone module file to handle AddThis button integration

File

addthis.module

<?php

/**
 * @file
 * Stand alone module file to handle AddThis button integration
 */

/**
 * Implement hook_permission().
 */
function addthis_permission() {
  return array(
    'administer addthis' => array(
      'title' => 'Administer Addthis sharing widget',
      'description' => 'Change which services are shown, color, etc and add addthis.com usename',
    ),
    'view addthis' => array(
      'title' => 'View the addthis widget',
      'description' => 'User can see the button which allows them to share posts',
    ),
  );
}

/**
 * Implement hook_node_view().
 */
function addthis_node_view($node, $build_mode) {
  $links = array();
  if (user_access('view addthis')) {
    if ($node && variable_get('addthis_nodetype_' . $node->type, 1) && ($build_mode == 'teaser' && variable_get('addthis_display_in_teasers', '0') || $build_mode == 'full' && variable_get('addthis_display_in_links', '0'))) {
      $node->content['addthis'] = array(
        '#markup' => _addthis_create_button(array(
          'build_mode' => $build_mode,
        )),
      );
    }
  }
}

/**
 * Implement of hook_menu().
 */
function addthis_menu() {
  $items = array();
  $items['admin/config/system/addthis'] = array(
    'title' => t('AddThis'),
    'description' => t('Set username and customize look and feel for <a href="http://www.addthis.com/">AddThis</a> button.'),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'addthis_admin_settings',
    ),
    'access arguments' => array(
      'administer addthis',
    ),
    'file' => 'addthis.admin.inc',
  );
  return $items;
}

/**
 * Implement hook_block_info();
 */
function addthis_block_info() {
  return array(
    'addthis' => array(
      'info' => t('Add this button'),
      'cache' => DRUPAL_CACHE_PER_PAGE,
    ),
  );
}

/**
 * Implement hook_block_view();
 */
function addthis_block_view($delta) {
  if ($delta != 'addthis' || !user_access('view addthis')) {
    return;
  }
  return array(
    'subject' => t('Addthis'),
    'content' => _addthis_create_button(array(
      'build_mode' => 'block',
    )),
  );
}

/**
 * Implement hook_form_FORM_ID_alter().
 */
function addthis_form_node_type_form_alter(&$form, $form_state) {
  $form['addthis'] = array(
    '#type' => 'fieldset',
    '#title' => t('Addthis settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#group' => 'additional_settings',
  );
  $form['addthis']['addthis_nodetype'] = array(
    '#type' => 'checkbox',
    '#title' => t('Show AddThis button on this type of node'),
    '#default_value' => variable_get('addthis_nodetype_' . $form['#node_type']->type, 1),
    '#description' => t('Select whether the AddThis button should be shown or not on this type of node.'),
  );
}

/**
 * Implement of hook_theme().
 */
function addthis_theme() {
  return array(
    'addthis_button' => array(
      'arguments' => array(
        'node' => NULL,
        'teaser' => NULL,
      ),
    ),
  );
}

/**
 * Internal function to generate code for AddThis button
 *
 * @return
 *   String containing html code for the button
 */
function _addthis_create_button($build_mode) {
  global $_addthis_counter;
  $_addthis_counter++;
  if ($_addthis_counter == 1) {
    drupal_add_css(drupal_get_path('module', 'addthis') . '/addthis.css');
    drupal_add_js(sprintf('
	    addthis_pub = \'%s\';
	    addthis_logo = \'%s\';
	    addthis_logo_background = \'%s\';
	    addthis_logo_color = \'%s\';
	    addthis_brand = \'%s\';
	    addthis_options = \'%s\';
	    addthis_disable_flash = \'%s\';
	', addslashes(check_plain(variable_get('addthis_username', 'my-username'))), addslashes(check_plain(variable_get('addthis_logo', 'http://www.addthis.com/images/yourlogo.png'))), addslashes(check_plain(variable_get('addthis_logo_background', 'EFEFFF'))), addslashes(check_plain(variable_get('addthis_logo_color', '666699'))), addslashes(check_plain(variable_get('addthis_brand', 'Your Site'))), addslashes(check_plain(variable_get('addthis_options', 'favorites, email, digg, delicious, myspace, facebook, google, live, more'))), variable_get('addthis_options', FALSE) ? 'true' : 'false'), 'inline');
  }
  return theme('addthis_button', array(
    'build_mode' => $build_mode,
  ));
}

/**
 * Theme the AddThis button.
 */
function theme_addthis_button($variables) {
  $build_mode = $variables['build_mode'];
  $https = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on';
  if (variable_get('addthis_dropdown_disabled', '0')) {
    return sprintf('
      <a href="http://www.addthis.com/bookmark.php"
        onclick="addthis_url   = location.href; addthis_title = document.title; return addthis_click(this);">
      <img src="%s" width="%d" height="%d" %s /></a>
      ', $https ? addslashes(variable_get('addthis_image_secure', 'https://secure.addthis.com/button1-share.gif')) : addslashes(variable_get('addthis_image', 'http://s9.addthis.com/button1-share.gif')), addslashes(variable_get('addthis_image_width', '125')), addslashes(variable_get('addthis_image_height', '16')), addslashes(variable_get('addthis_image_attributes', 'alt=""')));
  }
  else {
    return sprintf('
      <a href="http://www.addthis.com/bookmark.php"
        onmouseover="return addthis_open(this, \'\', \'%s\', \'%s\')"
        onmouseout="addthis_close()"
        onclick="return addthis_sendto()"><img src="%s" width="%d" height="%d" %s /></a>
      <script type="text/javascript" src="%s/js/' . variable_get('addthis_widget_version', '152') . '/addthis_widget.js"></script>
      ', $build_mode == 'teaser' ? url('node/' . $node->nid, array(
      'absolute' => 1,
    )) : '[URL]', $build_mode == 'teaser' ? addslashes($node->title) : '[TITLE]', $https == 'on' ? addslashes(check_plain(variable_get('addthis_image_secure', 'https://secure.addthis.com/button1-share.gif'))) : addslashes(check_plain(variable_get('addthis_image', 'http://s9.addthis.com/button1-share.gif'))), addslashes(variable_get('addthis_image_width', '125')), addslashes(variable_get('addthis_image_height', '16')), filter_xss(variable_get('addthis_image_attributes', 'alt=""')), $https == 'on' ? 'https://secure.addthis.com' : 'http://s7.addthis.com');
  }
}

Functions

Name	Description
addthis_block_info	Implement hook_block_info();
addthis_block_view	Implement hook_block_view();
addthis_form_node_type_form_alter	Implement hook_form_FORM_ID_alter().
addthis_menu	Implement of hook_menu().
addthis_node_view	Implement hook_node_view().
addthis_permission	Implement hook_permission().
addthis_theme	Implement of hook_theme().
theme_addthis_button	Theme the AddThis button.
_addthis_create_button	Internal function to generate code for AddThis button