fb_likebox.module in Facebook Page Plugin 6.2

Simple module that provides a configurable block with Facebook Likebox's plugin.

File

fb_likebox.module

<?php

/**
 * @file
 * Simple module that provides a configurable block with Facebook Likebox's plugin.
 */

/**
 * Implements hook_block().
 */
function fb_likebox_block($op = 'list', $delta = 0, $edit = array()) {
  drupal_add_js(drupal_get_path('module', 'fb_likebox') . '/fb_likebox.js');
  switch ($op) {
    case 'list':
      $blocks[0]['info'] = t('@site_name on Facebook', array(
        '@site_name' => variable_get('site_name', 'Default site name'),
      ));
      $blocks[0]['cache'] = BLOCK_NO_CACHE;
      return $blocks;
    case 'view':
      switch ($delta) {
        case 0:
          $fb_likebox_url = variable_get('fb_likebox_url', 'https://www.facebook.com/FacebookDevelopers');
          $fb_likebox_hide_header = variable_get('fb_likebox_hide_header', '0');
          $fb_likebox_stream = variable_get('fb_likebox_stream', '0');
          $fb_likebox_show_faces = variable_get('fb_likebox_show_faces', '1');
          $fb_likebox_title = variable_get('fb_likebox_title', 'Like us on Facebook');
          $fb_likebox_width = variable_get('fb_likebox_width', '340');
          $fb_likebox_height = variable_get('fb_likebox_height', '500');
          $block['subject'] = t('@site_name on Facebook', array(
            '@site_name' => variable_get('site_name', 'Default site name'),
          ));
          $block['content'] = theme('fb_likebox_facebook', $fb_likebox_url, $fb_likebox_hide_header, $fb_likebox_stream, $fb_likebox_show_faces, $fb_likebox_width, $fb_likebox_height, $fb_likebox_title);
          return $block;
      }
      break;
    case 'configure':
      switch ($delta) {
        case 0:
          $form['fb_likebox_display_settings'] = array(
            '#type' => 'fieldset',
            '#title' => t('Display options'),
            '#collapsible' => TRUE,
            '#collapsed' => FALSE,
          );
          $form['fb_likebox_display_settings']['fb_likebox_url'] = array(
            '#type' => 'textfield',
            '#title' => t('Facebook Page URL'),
            '#default_value' => variable_get('fb_likebox_url', 'https://www.facebook.com/FacebookDevelopers'),
            '#description' => t('Enter the Facebook Page URL. I.e.: https://www.facebook.com/FacebookDevelopers'),
            '#required' => TRUE,
          );
          $form['fb_likebox_display_settings']['fb_likebox_hide_header'] = array(
            '#type' => 'checkbox',
            '#title' => t('Hide cover photo in the header'),
            '#default_value' => variable_get('fb_likebox_hide_header', '0'),
          );
          $form['fb_likebox_display_settings']['fb_likebox_stream'] = array(
            '#type' => 'checkbox',
            '#title' => t('Show posts from the Page\'s timeline'),
            '#default_value' => variable_get('fb_likebox_stream', '0'),
          );
          $form['fb_likebox_display_settings']['fb_likebox_show_faces'] = array(
            '#type' => 'checkbox',
            '#title' => t('Show profile photos when friends like this'),
            '#default_value' => variable_get('fb_likebox_show_faces', '1'),
          );
          $form['fb_likebox_display_settings']['fb_likebox_title'] = array(
            '#type' => 'textfield',
            '#title' => t('iFrame title attribute'),
            '#default_value' => variable_get('fb_likebox_title', 'Like us on Facebook'),
            '#description' => t('The value of the title attribute.'),
            '#required' => TRUE,
          );
          $form['fb_likebox_display_settings']['fb_likebox_width'] = array(
            '#type' => 'textfield',
            '#title' => t('Width'),
            '#default_value' => variable_get('fb_likebox_width', '340'),
            '#description' => t('The width of the Facebook likebox. Must be a number between 280 and 500, limits included.'),
            '#required' => TRUE,
          );
          $form['fb_likebox_display_settings']['fb_likebox_height'] = array(
            '#type' => 'textfield',
            '#title' => t('Height'),
            '#default_value' => variable_get('fb_likebox_height', '500'),
            '#description' => t('The height of the plugin in pixels. Must be a number bigger than 130.'),
            '#required' => TRUE,
          );
          return $form;
      }
      break;
    case 'save':
      switch ($delta) {
        case 0:
          variable_set('fb_likebox_url', check_url($edit['fb_likebox_url']));
          variable_set('fb_likebox_hide_header', check_plain($edit['fb_likebox_hide_header']));
          variable_set('fb_likebox_stream', check_plain($edit['fb_likebox_stream']));
          variable_set('fb_likebox_show_faces', check_plain($edit['fb_likebox_show_faces']));
          variable_set('fb_likebox_width', check_plain($edit['fb_likebox_width']));
          variable_set('fb_likebox_height', check_plain($edit['fb_likebox_height']));
          variable_set('fb_likebox_title', check_plain($edit['fb_likebox_title']));
      }
      break;
  }
}

/**
 * Implements hook_theme().
 */
function fb_likebox_theme($existing, $type, $theme, $path) {
  return array(
    'fb_likebox_facebook' => array(
      'arguments' => array(
        'fb_likebox_url' => variable_get('fb_likebox_url', 'https://www.facebook.com/FacebookDevelopers'),
        'fb_likebox_hide_header' => variable_get('fb_likebox_hide_header', '0'),
        'fb_likebox_stream' => variable_get('fb_likebox_stream', '0'),
        'fb_likebox_show_faces' => variable_get('fb_likebox_show_faces', '1'),
        'fb_likebox_width' => variable_get('fb_likebox_width', '340'),
        'fb_likebox_height' => variable_get('fb_likebox_height', '500'),
        'fb_likebox_title' => variable_get('fb_likebox_title', 'Like us on Facebook'),
      ),
      'path' => $path . '/templates',
      'template' => 'fb_likebox',
    ),
  );
}

/**
 * Perform the validation of the block settings.
 */
function _fb_likebox_validate_block_settings(&$form, $form_state) {

  // Facebook display settings validation.
  $fb_url = $form_state['values']['fb_likebox_url'];
  if (!valid_url($fb_url, TRUE)) {
    form_set_error('fb_likebox_url', t('Please enter a valid url.'));
  }

  // Facebook theming settings validation.
  $fb_width = $form_state['values']['fb_likebox_width'];
  if (!is_numeric($fb_width) || intval($fb_width) < 280 || intval($fb_width) > 500) {
    form_set_error('fb_likebox_width', t('Width should be a number between 280 and 500, limits included.'));
  }
  $fb_height = $form_state['values']['fb_likebox_height'];
  if (!is_numeric($fb_height) || intval($fb_height) < 130) {
    form_set_error('fb_likebox_height', t('Height should be a number bigger than 130.'));
  }
}

Functions

Name	Description
fb_likebox_block	Implements hook_block().
fb_likebox_theme	Implements hook_theme().
_fb_likebox_validate_block_settings	Perform the validation of the block settings.