addtoany.module in AddToAny Share Buttons 5.0

Stand alone module file to handle AddToAny button integration

File

addtoany.module

<?php

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

/**
 * Implementation of hook_permission().
 */
function addtoany_permission() {
  return array(
    'administer addtoany' => array(
      'title' => t('Administer addtoany'),
      'description' => t(''),
    ),
    'view addtoany' => array(
      'title' => t('View addtoany'),
      'description' => t(''),
    ),
  );
}

/**
 * Implementation of hook_node_view().
 */
function addtoany_node_view($node, $view_mode) {
  $links = array();
  $types = variable_get('addtoany_nodetypes', array());
  $teaser = $view_mode == 'teaser' ? TRUE : FALSE;
  $show = !empty($types[$node->type]) && ($teaser && variable_get('addtoany_display_in_teasers', '1') != 0 || !$teaser && variable_get('addtoany_display_in_nodelink', '1') != 0);
  if ($show && user_access('view addtoany')) {
    $links['addtoany'] = array(
      'title' => _addtoany_create_button($node, $teaser),
      'html' => TRUE,
    );
    $node->content['links']['addtoany'] = array(
      '#theme' => 'links',
      '#links' => $links,
      '#attributes' => array(
        'class' => array(
          'links',
          'inline',
        ),
      ),
    );
  }
  $show = !empty($types[$node->type]) && variable_get('addtoany_display_in_nodecont', '0');
  $weight = variable_get('addtoany_display_weight', 40);
  if ($show && user_access('view addtoany')) {
    $node->content['addtoany'] = array(
      '#value' => _addtoany_create_button($node, FALSE),
      '#weight' => $weight,
    );
  }
}

/**
 * Implementation of hook_menu().
 */
function addtoany_menu() {
  $items = array();
  $items['admin/settings/addtoany'] = array(
    'title' => t('AddToAny'),
    'description' => t('Settings for your <a href="http://www.addtoany.com/" target="blank">AddToAny</a> Share/Save buttons.'),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'addtoany_admin_settings',
    ),
    'access arguments' => array(
      'administer addtoany',
    ),
    'file' => 'addtoany.admin.inc',
  );
  return $items;
}

/**
 * Implements hook_block_info().
 */
function addtoany_block_info() {
  $blocks['addtoany_button']['info'] = t('AddToAny button');
  return $blocks;
}

/**
 * Implements hook_block_list().
 */
function addtoany_block_list() {
  $blocks['addtoany_button'] = array(
    'info' => t('AddToAny button'),
    'status' => TRUE,
    'weight' => 0,
    'visibility' => 1,
    'pages' => '*',
  );
  return $blocks;
}

/**
 * Implements hook_block_view().
 */
function addtoany_block_view($delta = 0) {
  $block = array();
  switch ($delta) {
    case 'addtoany button':
      if (user_access('view addtoany')) {
        $block['subject'] = t('AddToAny');
        $block['content'] = _addtoany_create_button(menu_get_object());
      }
      break;
  }
  return $block;
}

/**
 * Implementation of hook_page_alter().  Would use drupal_add_js, but external scripts are not well supported
 *
 * @return
 *   String containing JavaScript code for the drop-down
 */
function addtoany_page_alter(&$page) {
  global $_addtoany_script;
}
function _addtoany_create_script($node = NULL) {

  // Drop-down disabled?
  if (variable_get('addtoany_dropdown_disabled', '0')) {
    return;
  }
  if (is_object($node)) {
    $link_name = check_plain($node->title[LANGUAGE_NONE][0]['value']);
    $link_url = url('node/' . $node->nid, array(
      'absolute' => 1,
    ));
  }
  else {

    // Front page
    $link_name = check_plain(variable_get('page_title_front', variable_get('site_name', '')));
    $link_url = url('<front>', array(
      'absolute' => 1,
    ));
  }
  global $_addtoany_script, $_addtoany_script_init;
  if (!$_addtoany_script_init) {
    $_addtoany_script = '<script type="text/javascript">';
  }
  else {
    $_addtoany_script .= '<script type="text/javascript">';
  }
  $_addtoany_script .= 'a2a_linkname="' . $link_name . '";a2a_linkurl="' . $link_url . '";';
  if (!$_addtoany_script_init) {
    $_addtoany_script .= variable_get('addtoany_additional_js', '');
    $_addtoany_script .= '</script><script type="text/javascript" src="http://static.addtoany.com/menu/page.js"></script>';
  }
  else {
    $_addtoany_script .= 'a2a_init("page");</script>';
  }
  $_addtoany_script_init = TRUE;
}

/**
 * Internal function to generate code for AddToAny button
 *
 * @return
 *   String containing html code for the button
 */
function _addtoany_create_button($node = NULL, $teaser = FALSE) {
  global $_addtoany_counter, $base_path;
  $_addtoany_counter++;
  if ($_addtoany_counter == 1) {
    drupal_add_css(drupal_get_path('module', 'addtoany') . '/addtoany.css');
  }
  _addtoany_create_script($node);
  $disable_dropdown = variable_get('addtoany_dropdown_disabled', '0');
  if (is_object($node)) {
    $link_name = rawurlencode($node->title[LANGUAGE_NONE][0]['value']);
    $link_url = rawurlencode(url('node/' . $node->nid, array(
      'absolute' => 1,
    )));
  }
  else {

    // Front page
    $link_name = rawurlencode(variable_get('page_title_front', variable_get('site_name', '')));
    $link_url = rawurlencode(url('<front>', array(
      'absolute' => 1,
    )));
  }
  $button_setting = variable_get('addtoany_image', 'share_save_171_16.png|171|16');
  if ($button_setting == "custom") {
    $button_image = variable_get('addtoany_custom_image', '');
    $button_width = '';
    $button_height = '';
  }
  else {
    $button = explode('|', $button_setting);
    $button_filename = $button[0];
    $button_width = ' width="' . $button[1] . '"';
    $button_height = ' height="' . $button[2] . '"';
    $button_image = $base_path . drupal_get_path('module', 'addtoany') . '/images/' . $button_filename;
  }
  return sprintf('
      <a%s href="http://www.addtoany.com/share_save?linkurl=%s&amp;linkname=%s"><img src="%s"%s%s %s/></a>
      ', $disable_dropdown ? '' : ' class="a2a_dd"', $link_url, $link_name, $button_image, $button_width, $button_height, variable_get('addtoany_image_attributes', 'alt="Share/Save"'));
}

Functions

Name	Description
addtoany_block_info	Implements hook_block_info().
addtoany_block_list	Implements hook_block_list().
addtoany_block_view	Implements hook_block_view().
addtoany_menu	Implementation of hook_menu().
addtoany_node_view	Implementation of hook_node_view().
addtoany_page_alter	Implementation of hook_page_alter(). Would use drupal_add_js, but external scripts are not well supported
addtoany_permission	Implementation of hook_permission().
_addtoany_create_button	Internal function to generate code for AddToAny button
_addtoany_create_script