Club Drupal

<?php

/**

 * @file

 * Hook implementations for the AddThis-module. Most of the logic is defined

 * in a separate AddThis-class to keep the .module-file clean.

 */

if (module_exists('block')) {

  module_load_include('inc', 'addthis', 'includes/addthis.block');

}

module_load_include('inc', 'addthis', 'includes/addthis.field');

/**

 * Implements hook_hook_info().

 *

 * Define hook_addthis_display_markup in the addthis group so that

 * $module.addthis.inc files will be included. See addthis.addthis.inc for

 * examples of the hook implementation.

 */

function addthis_hook_info() {

  $hooks['addthis_display_markup'] = array(

    'group' => 'addthis',

  );

  return $hooks;

}

/**

 * Implements hook_help().

 */

function addthis_help($path, $arg) {

  switch ($path) {

    case 'admin/help#addthis':

      $output = '<h3>' . t('About') . '</h3>';

      $output .= '<p>';

      $output .= t('The AddThis module defines AddThis field type for the Field module. A AddThis field may contain a button, toolbox, sharecount or customized sharing tool using <a href="http://addthis.com/">AddThis.com</a>.');

      $output .= '</p>';

      return $output;

  }

}

/**

 * Implements hook_filter_format_update().

 */

function addthis_filter_format_update($format) {

  field_cache_clear();

}

/**

 * Implements hook_filter_format_disable().

 */

function addthis_filter_format_disable($format) {

  field_cache_clear();

}

/**

 * Implements hook_menu().

 */

function addthis_menu() {

  $menu_items['admin/config/user-interface/addthis'] = array(

    'title' => 'AddThis',

    'description' => 'Configure AddThis settings.',

    'page callback' => 'drupal_get_form',

    'page arguments' => array('addthis_admin_settings_form'),

    'access arguments' => array(AddThis::PERMISSION_ADMINISTER_ADDTHIS),

    'type' => MENU_NORMAL_ITEM,

    'file' => AddThis::ADMIN_INCLUDE_FILE,

    'weight' => 0,

  );

  $menu_items['admin/config/user-interface/addthis/basic'] = array(

    'title' => t('Basic settings'),

    'type' => MENU_DEFAULT_LOCAL_TASK,

  );

  $menu_items['admin/config/user-interface/addthis/advanced'] = array(

    'title' => t('Advanced settings'),

    'type' => MENU_LOCAL_TASK,

    'page callback' => 'drupal_get_form',

    'page arguments' => array('addthis_admin_settings_advanced_form'),

    'access arguments' => array(AddThis::PERMISSION_ADMINISTER_ADDTHIS),

    'file' => AddThis::ADMIN_INCLUDE_FILE,

    'weight' => 10

  );

  return $menu_items;

}

/**

 * Implements hook_permission().

 */

function addthis_permission() {

  return array(

    AddThis::PERMISSION_ADMINISTER_ADDTHIS => array(

      'title' => t('Administer AddThis'),

      'description' => t('Perform maintenance tasks for AddThis.'),

    ),

    AddThis::PERMISSION_ADMINISTER_ADVANCED_ADDTHIS => array(

      'title' => t('Administer advanced AddThis'),

      'description' => t('Perform advanced maintenance tasks for AddThis.'),

    ),

  );

}

/**

 * Implements hook_form_FORM_ID_alter().

 *

 * Hide the instance fieldset because there aren't any values per instance.

 */

function addthis_form_field_ui_field_edit_form_alter(&$form, &$form_state, $form_id) {

  if ($form['#field']['type'] == AddThis::FIELD_TYPE && $form['#field']['type'] == AddThis::MODULE_NAME) {

    $form['field']['#access'] = FALSE;

    $form['instance']['required']['#access'] = FALSE;

    $form['instance']['description']['#access'] = FALSE;

    $form['instance']['default_value_widget']['#access'] = FALSE;

  }

}

/**

 * Implements hook_rdf_namespaces().

 */

function addthis_rdf_namespaces() {

  if (AddThis::getInstance()->isFacebookLikeCountSupportEnabled()) {

    return array(

      'fb' => 'http://www.facebook.com/2008/fbml',

    );

  }

  return array();

}

/**

 * Implements hook_theme().

 */

function addthis_theme($existing, $type, $theme, $path) {

  return array(

    'addthis_wrapper' => array(

      'render element' => 'addthis_wrapper',

    ),

    'addthis_element' => array(

      'render element' => 'addthis_element',

    ),

    'addthis' => array(

      'render element' => 'addthis',

    ),

  );

}

/**

 * Implements hook_page_build().

 */

function addthis_page_build(&$page) {

  // Include the addthis.js as a library on every page. Widget js will be loaded

  // according to the settings.

  $addthis_js_path = drupal_get_path('module', 'addthis') . '/addthis.js';

  $page['content']['#attached']['js'][$addthis_js_path] = array(

    'type' => 'file',

    'scope' => 'footer',

  );

  // Include the widget js when we include on all but admin pages.

  if (!path_is_admin(current_path()) && AddThis::getInstance()->getWidgetJsInclude() == AddThis::WIDGET_JS_INCLUDE_PAGE) {

    $manager = AddThisScriptManager::getInstance();

    $manager->attachJsToElement($page['content']);

  }

}

/**

 * Implements hook_preprocess() for theme_addthis.

 */

function template_preprocess_addthis(&$variables) {

  if (isset($variables[0]) && count($variables) == 3) {

    $variables['#display'] = $variables[0];

    unset($variables[0]);

  }

}

function theme_addthis($variables) {

  $markup = AddThis::getInstance()->getDisplayMarkup($variables['#display']);

  return render($markup);

}

function theme_addthis_wrapper($variables) {

  $element = $variables['addthis_wrapper'];

  $output = '<' . $element['#tag'] . drupal_attributes($element['#attributes']) . '>';

  $children = element_children($element);

  if (count($children) > 0) {

    foreach ($children as $child) {

      $output .= render($element[$child]);

    }

  }

  $output .= '</' . $element['#tag'] . ">\n";

  return $output;

}

/**

 * Theme the elements that are created in the AddThis module.

 *

 * This is created with hook_addthis_element.

 */

function theme_addthis_element($variables) {

  $element = $variables['addthis_element'];

  if (!isset($element['#value'])) {

    return '<' . $element['#tag'] . drupal_attributes($element['#attributes']) . " />\n";

  }

  $output = '<' . $element['#tag'] . drupal_attributes($element['#attributes']) . '>';

  if (isset($element['#value_prefix'])) {

    $output .= $element['#value_prefix'];

  }

  $output .= $element['#value'];

  if (isset($element['#value_suffix'])) {

    $output .= $element['#value_suffix'];

  }

  $output .= '</' . $element['#tag'] . ">\n";

  return $output;

}

/**

 * Create a addthis settings form.

 */

function _addthis_settings_form($form = array(), &$form_state = array(), $display_type = NULL, $display_settings = array()) {

  // Check display setting to be not null.

  if (!isset($display_settings) || (isset($display_settings) && !is_array($display_settings))) {

    $display_settings = array();

  }

  // Toggle variables.

  $no_js = FALSE;

  // Default display type if not set in the parameters.

  $display_type = (isset($display_type)) ? $display_type : 'addthis_disabled';

  // Load setting type from the form_state.

  if (isset($form_state['values']['addthis_settings']['type'])) {

    $display_type = $form_state['values']['addthis_settings']['type'];

  }

  // Container used as the replace for ajax.

  $form['#type'] = 'container';

  $form['#attributes'] = array();

  $form['#id'] = 'addthis_settings';

  // The list of formatters.

  $formatter_options = AddThis::getInstance()->getDisplayTypes();

  $form['type'] = array(

    '#type' => 'select',

    '#title' => t('Formatter for @title', array('@title' => 'AddThis block')),

    '#title_display' => 'invisible',

    '#options' => $formatter_options,

    '#default_value' => $display_type,

    '#parents' => array('addthis_settings', 'type'),

    '#attributes' => array('class' => array('addthis-display-type')),

    '#ajax' => array(

      'callback' => '_addthis_settings_form_submit_callback',

      'wrapper' => 'addthis_settings',

      'name' => 'switch_display',

      'event' => 'change',

    )

  );

  if ($no_js) {

    $form['choose'] = array(

      '#type' => 'submit',

      '#name' => 'Switch display',

      '#value' => 'Switch display',

      '#op' => 'switch_display',

      '#id' => 'switch-display',

      '#submit' => array('_addthis_settings_form_submit'),

    );

  }

  // Formatter settings.

  // Check the currently selected formatter, and merge persisted values for

  // formatter settings.

  $formatter_type = $display_type;

  // Get the settings if set.

  $settings = $display_settings;

  $formatter_settings = field_info_formatter_settings($formatter_type);

  $settings += $formatter_settings;

  $field = array();

  $instance = array();

  $view_mode = 'block';

  $instance['display'][$view_mode]['type'] = $formatter_type;

  $formatter = field_info_formatter_types($formatter_type);

  $instance['display'][$view_mode]['module'] = $formatter['module'];

  $instance['display'][$view_mode]['settings'] = $settings;

  $settings_form = array();

  $function = $formatter['module'] . '_field_formatter_settings_form';

  if (function_exists($function)) {

    $settings_form = $function($field, $instance, $view_mode, $form, $form_state);

    $settings_form['#tree'] = TRUE;

    $settings_form['#parents'] = array('addthis_settings', 'settings');

  }

  $form['settings'] = $settings_form;

  return $form;

}

function _addthis_settings_form_submit($form, &$form_state) {

  $form_state['rebuild'] = TRUE;

}

function _addthis_settings_form_submit_callback($form, &$form_state) {

  $form_state['rebuild'] = TRUE;

  return $form['addthis_settings']['form'];

}