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<?php
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/**
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* @file
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* Hook implementations for the AddThis-module. Most of the logic is defined
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* in a separate AddThis-class to keep the .module-file clean.
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*/
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if (module_exists('block')) {
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module_load_include('inc', 'addthis', 'includes/addthis.block');
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}
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module_load_include('inc', 'addthis', 'includes/addthis.field');
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/**
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* Implements hook_hook_info().
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*
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* Define hook_addthis_display_markup in the addthis group so that
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* $module.addthis.inc files will be included. See addthis.addthis.inc for
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* examples of the hook implementation.
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*/
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function addthis_hook_info() {
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$hooks['addthis_display_markup'] = array(
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'group' => 'addthis',
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);
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return $hooks;
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}
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/**
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* Implements hook_help().
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*/
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function addthis_help($path, $arg) {
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switch ($path) {
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case 'admin/help#addthis':
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$output = '<h3>' . t('About') . '</h3>';
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$output .= '<p>';
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$output .= t('The AddThis module defines AddThis field type for the Field module. A AddThis field may contain a button, toolbox, sharecount or customized sharing tool using <a href="http://addthis.com/">AddThis.com</a>.');
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$output .= '</p>';
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return $output;
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}
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}
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/**
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* Implements hook_filter_format_update().
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*/
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function addthis_filter_format_update($format) {
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field_cache_clear();
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}
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/**
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* Implements hook_filter_format_disable().
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*/
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function addthis_filter_format_disable($format) {
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field_cache_clear();
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}
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/**
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* Implements hook_menu().
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*/
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function addthis_menu() {
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$menu_items['admin/config/user-interface/addthis'] = array(
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'title' => 'AddThis',
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'description' => 'Configure AddThis settings.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('addthis_admin_settings_form'),
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'access arguments' => array(AddThis::PERMISSION_ADMINISTER_ADDTHIS),
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'type' => MENU_NORMAL_ITEM,
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'file' => AddThis::ADMIN_INCLUDE_FILE,
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'weight' => 0,
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);
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$menu_items['admin/config/user-interface/addthis/basic'] = array(
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'title' => t('Basic settings'),
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'type' => MENU_DEFAULT_LOCAL_TASK,
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);
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$menu_items['admin/config/user-interface/addthis/advanced'] = array(
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'title' => t('Advanced settings'),
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'type' => MENU_LOCAL_TASK,
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'page callback' => 'drupal_get_form',
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'page arguments' => array('addthis_admin_settings_advanced_form'),
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'access arguments' => array(AddThis::PERMISSION_ADMINISTER_ADDTHIS),
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'file' => AddThis::ADMIN_INCLUDE_FILE,
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'weight' => 10
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);
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return $menu_items;
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}
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/**
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* Implements hook_permission().
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*/
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function addthis_permission() {
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return array(
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AddThis::PERMISSION_ADMINISTER_ADDTHIS => array(
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'title' => t('Administer AddThis'),
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'description' => t('Perform maintenance tasks for AddThis.'),
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),
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AddThis::PERMISSION_ADMINISTER_ADVANCED_ADDTHIS => array(
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'title' => t('Administer advanced AddThis'),
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'description' => t('Perform advanced maintenance tasks for AddThis.'),
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),
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);
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}
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/**
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* Implements hook_form_FORM_ID_alter().
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*
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* Hide the instance fieldset because there aren't any values per instance.
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*/
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function addthis_form_field_ui_field_edit_form_alter(&$form, &$form_state, $form_id) {
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if ($form['#field']['type'] == AddThis::FIELD_TYPE && $form['#field']['type'] == AddThis::MODULE_NAME) {
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$form['field']['#access'] = FALSE;
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$form['instance']['required']['#access'] = FALSE;
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$form['instance']['description']['#access'] = FALSE;
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$form['instance']['default_value_widget']['#access'] = FALSE;
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}
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}
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/**
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* Implements hook_rdf_namespaces().
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*/
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function addthis_rdf_namespaces() {
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if (AddThis::getInstance()->isFacebookLikeCountSupportEnabled()) {
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return array(
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'fb' => 'http://www.facebook.com/2008/fbml',
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);
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}
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return array();
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}
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/**
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* Implements hook_theme().
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*/
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function addthis_theme($existing, $type, $theme, $path) {
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return array(
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'addthis_wrapper' => array(
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'render element' => 'addthis_wrapper',
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),
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'addthis_element' => array(
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'render element' => 'addthis_element',
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),
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'addthis' => array(
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'render element' => 'addthis',
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),
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);
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}
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/**
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* Implements hook_preprocess() for theme_addthis.
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*/
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function template_preprocess_addthis(&$variables) {
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if (isset($variables[0]) && count($variables) == 3) {
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$variables['#display'] = $variables[0];
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unset($variables[0]);
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}
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}
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function theme_addthis($variables) {
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$markup = AddThis::getInstance()->getDisplayMarkup($variables['#display']);
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return render($markup);
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}
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function theme_addthis_wrapper($variables) {
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$element = $variables['addthis_wrapper'];
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$output = '<' . $element['#tag'] . drupal_attributes($element['#attributes']) . '>';
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$children = element_children($element);
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if (count($children) > 0) {
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foreach ($children as $child) {
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$output .= render($element[$child]);
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}
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}
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$output .= '</' . $element['#tag'] . ">\n";
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return $output;
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}
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/**
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* Theme the elements that are created in the AddThis module.
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*
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* This is created with hook_addthis_element.
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*/
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function theme_addthis_element($variables) {
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$element = $variables['addthis_element'];
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if (!isset($element['#value'])) {
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return '<' . $element['#tag'] . drupal_attributes($element['#attributes']) . " />\n";
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}
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$output = '<' . $element['#tag'] . drupal_attributes($element['#attributes']) . '>';
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if (isset($element['#value_prefix'])) {
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$output .= $element['#value_prefix'];
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}
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$output .= $element['#value'];
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if (isset($element['#value_suffix'])) {
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$output .= $element['#value_suffix'];
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}
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$output .= '</' . $element['#tag'] . ">\n";
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return $output;
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}
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/**
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* Create a addthis settings form.
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*/
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function _addthis_settings_form($form = array(), &$form_state, $display_type = NULL, $display_settings = NULL) {
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// Toggle variables
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$no_js = FALSE;
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// Default display type if not set in the parameters.
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$display_type = (isset($display_type)) ? $display_type : 'addthis_disabled';
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// Load setting type from the form_state.
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if (isset($form_state['values']['addthis_settings']['type'])) {
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$display_type = $form_state['values']['addthis_settings']['type'];
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}
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// Container used as the replace for ajax.
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$form['#type'] = 'container';
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$form['#attributes'] = array();
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$form['#id'] = 'addthis_settings';
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// The list of formatters.
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$formatter_options = AddThis::getInstance()->getDisplayTypes();
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$form['type'] = array(
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'#type' => 'select',
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'#title' => t('Formatter for @title', array('@title' => 'AddThis block')),
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'#title_display' => 'invisible',
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'#options' => $formatter_options,
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'#default_value' => $display_type,
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'#parents' => array('addthis_settings', 'type'),
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'#attributes' => array('class' => array('addthis-display-type')),
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'#ajax' => array(
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'callback' => '_addthis_settings_form_submit_callback',
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'wrapper' => 'addthis_settings',
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'name' => 'switch_display',
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'event' => 'change',
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)
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);
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if ($no_js) {
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$form['choose'] = array(
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'#type' => 'submit',
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'#name' => 'Switch display',
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'#value' => 'Switch display',
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'#op' => 'switch_display',
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'#id' => 'switch-display',
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'#submit' => array('_addthis_settings_form_submit'),
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);
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}
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// Formatter settings.
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// Check the currently selected formatter, and merge persisted values for
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// formatter settings.
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$formatter_type = $display_type;
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// Get the settings if set.
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$settings = $display_settings;
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$formatter_settings = field_info_formatter_settings($formatter_type);
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$settings += $formatter_settings;
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$field = array();
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$instance = array();
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$view_mode = 'block';
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$instance['display'][$view_mode]['type'] = $formatter_type;
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$formatter = field_info_formatter_types($formatter_type);
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$instance['display'][$view_mode]['module'] = $formatter['module'];
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$instance['display'][$view_mode]['settings'] = $settings;
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$settings_form = array();
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$function = $formatter['module'] . '_field_formatter_settings_form';
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if (function_exists($function)) {
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$settings_form = $function($field, $instance, $view_mode, $form, $form_state);
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$settings_form['#tree'] = TRUE;
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$settings_form['#parents'] = array('addthis_settings', 'settings');
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}
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$form['settings'] = $settings_form;
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return $form;
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}
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function _addthis_settings_form_submit($form, &$form_state) {
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$form_state['rebuild'] = TRUE;
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}
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function _addthis_settings_form_submit_callback($form, &$form_state) {
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$form_state['rebuild'] = TRUE;
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return $form['addthis_settings']['form'];
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}
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