Club Drupal

<?php

/**

 * @file

 * Block related hook implementations for the AddThis-module.

 */

/**

 * Implements hook_block_info().

 */

function addthis_block_info() {

  $block_info = array();

  $block_info[AddThis::BLOCK_NAME] = array(

    'info' => t('AddThis'),

    'cache' => DRUPAL_NO_CACHE,

  );

  return $block_info;

}

/**

 * Implements hook_block_view().

 *

 * #block key allows alter hooks to react on this information. Someone might

 * want to change this specific display.

 */

function addthis_block_view($block_name = '') {

  if ($block_name == AddThis::BLOCK_NAME) {

    $widget_type = AddThis::getInstance()->getBlockDisplayType();

    $widget_settings = AddThis::getInstance()->getBlockDisplaySettings();

    $block_options = array(

      '#block' => AddThis::BLOCK_NAME,

      '#display' => array(

        'settings' => $widget_settings,

      )

    );

    $markup = AddThis::getInstance()->getDisplayMarkup($widget_type, $block_options);

    return array(

      'subject' => '',

      'content' => $markup,

    );

  }

}

/**

 * Implements hook_block_configure().

 */

function addthis_block_configure($delta = '') {

  return array();

}

/**

 * Implements hook_block_save().

 *

 * @todo Refactor settings save validation to appropriate class/method.

 *   There should come classes for each render type that also handle the saving

 *   of the settings data.

 */

function addthis_block_save($delta = '', $edit = array()) {

  variable_set(AddThis::BLOCK_WIDGET_TYPE_KEY, $edit['addthis_settings']['type']);

  if ($edit['addthis_settings']['type'] != 'addthis_disabled') {

    variable_set(AddThis::BLOCK_WIDGET_SETTINGS_KEY, $edit['addthis_settings']['settings']);

  }

}

/**

 * Callback submit.

 */

function _addthis_settings_form_block_submit($form, &$form_state) {

  $form_state['rebuild'] = TRUE;

}

/**

 * Callback to return ajax replace part.

 */

function _addthis_settings_form_block_submit_callback($form, &$form_state) {

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

}

/**

 * Implements hook_form_FORM_ID_alter().

 */

function addthis_form_block_admin_configure_alter(&$form, &$form_state) {

  if ($form['module']['#value'] == 'addthis' && $form['delta']['#value'] == 'addthis_block') {

    form_load_include($form_state, 'inc', 'addthis', 'addthis.block');

    $form['#cache'] = TRUE;

    $form['settings']['addthis_settings'] = array(

      '#type' => 'fieldset',

      '#title' => 'Display settings',

    );

    // Retrieve settings.

    $addthis_settings['type'] = AddThis::getInstance()->getBlockDisplayType();

    $addthis_settings['settings'] = AddThis::getInstance()->getBlockDisplaySettings();

    // Create a addthis settings form based on the available configuration.

    $element = _addthis_settings_form(

      isset($form['addthis_settings']['form']) ? $form['addthis_settings']['form'] : array(),

      $form_state,

      isset($addthis_settings['type']) ? $addthis_settings['type'] : NULL,

      isset($addthis_settings['settings']) ? $addthis_settings['settings'] : NULL

    );

    // Change the submit and callback because our handling is different and the

    // form structure is different form the default implementation.

    $element['type']['#submit'] = array('_addthis_settings_form_block_submit');

    $element['type']['#ajax']['callback'] = '_addthis_settings_form_block_submit_callback';

    $form['settings']['addthis_settings']['form'] = $element;

    array_unshift($form['#submit'], '_addthis_settings_form_block_submit');

  }

  return $form;

}