like.inc in Facebook social plugins integration 7.2

File

plugins/fb_plugin/like.inc

<?php

/**
 * @file like.inc
 * 
 * Main (ctools) plugin file for "like" plugin type
 */
$plugin = array(
  'title' => t('Like'),
  'description' => t('Facebook like button plugin'),
  'html tag name' => 'like',
  // hooks
  'hook_nodeapi_view' => '_fb_social_like_nodeapi_view',
  'hook_field_extra_fields' => '_fb_social_like_field_extra_fields',
  'hook_link' => '_fb_social_like_link',
  'hook_preprocess_fb_social_plugin' => '_fb_social_like_preprocess_fb_social_plugin',
);
function like_defaults() {
  return array(
    'href' => '',
    'send' => 0,
    'layout' => 'button_count',
    'show_faces' => 0,
    'width' => 350,
    'action' => 'like',
    'font' => 'verdana',
    'colorscheme' => 'dark',
  );
}
function like_fb_settings($options) {
  $form = array();
  $form['send'] = array(
    '#type' => 'checkbox',
    '#title' => t('Send button'),
    '#description' => t('Include a Send button with the Like button'),
  );
  $form['layout'] = array(
    '#type' => 'select',
    '#title' => t('Layout style'),
    '#description' => t('Determines the size and the amount of the social context next to the button'),
    '#options' => array(
      'standard' => t('standard'),
      'button_count' => t('button_count'),
      'box_count' => t('box_count'),
    ),
  );
  $form['show_faces'] = array(
    '#type' => 'checkbox',
    '#title' => t('Show faces'),
    '#description' => t('Show profiles pictures below the button'),
  );
  $form['width'] = array(
    '#type' => 'textfield',
    '#title' => t('Width'),
    '#description' => t('The width of the plugin in pixel'),
  );
  $form['action'] = array(
    '#type' => 'select',
    '#title' => t('Verb'),
    '#description' => t('The verb to display in the button'),
    '#options' => array(
      'like' => t('like'),
      'recommend' => t('recommend'),
    ),
  );
  $form['font'] = array(
    '#type' => 'select',
    '#title' => t('Font'),
    '#description' => t('The font of the plugin'),
    '#options' => array(
      'arial' => t('arial'),
      'lucida grande' => t('lucida grande'),
      'segoe ui' => t('segoe ui'),
      'tahoma' => t('tahoma'),
      'trebuchet ms' => t('trebuchet ms'),
      'verdana' => t('verdana'),
    ),
  );
  $form['colorscheme'] = array(
    '#type' => 'select',
    '#title' => t('Color'),
    '#description' => t('The color scheme of the plugin'),
    '#options' => array(
      'dark' => t('dark'),
      'light' => t('light'),
    ),
  );
  $defaults = like_defaults();
  foreach ($form as $id => $f) {
    $form[$id]['#default_value'] = isset($options[$id]) ? $options[$id] : $defaults[$id];
  }
  return $form;
}
function like_drupal_settings($options) {
  $form = array();
  $form['node_types'] = array(
    '#type' => 'fieldset',
    '#title' => t('Content types'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );
  $form['node_types']['types'] = array(
    '#type' => 'checkboxes',
    '#description' => t('Select types that will use the facebook like plugin'),
    '#default_value' => isset($options['node_types']['types']) ? array_keys(array_filter($options['node_types']['types'])) : array(),
    '#options' => node_type_get_names(),
  );
  $form['plugin_location'] = array(
    '#type' => 'fieldset',
    '#title' => t('plugin location and display'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );
  $form['plugin_location']['location'] = array(
    '#type' => 'radios',
    '#title' => t('plugin location'),
    '#default_value' => isset($options['plugin_location']['location']) ? $options['plugin_location']['location'] : 0,
    '#options' => array(
      t('Node links'),
      t('Node content'),
    ),
    '#description' => t('The plugin can be printed in the "links" are of the node or as part of the node content'),
  );
  $form['plugin_location']['node_view_modes'] = array(
    '#type' => 'checkboxes',
    '#title' => t('View modes'),
    '#description' => t('Select view mode where it will be displayed.'),
    '#options' => _fb_social_get_node_view_modes(),
    '#default_value' => isset($options['plugin_location']['node_view_modes']) ? $options['plugin_location']['node_view_modes'] : array(
      'full',
    ),
  );
  return $form;
}
function _fb_social_like_preprocess_fb_social_plugin(&$variables) {
  $options =& $variables['options'];
  $options['send'] = $options['send'] ? "true" : "false";
  $options['show_faces'] = $options['show_faces'] ? "true" : "false";
  $options['href'] = empty($options['href']) ? $url = fb_social_url($_GET['q']) : $options['href'];
}

/**
 * content_extra_fields callback for this plugin
 */
function _fb_social_like_field_extra_fields(&$extras, $preset) {
  $types = $preset->settings['node_types']['types'];
  foreach ($types as $type => $value) {
    if (!empty($value) && $preset->settings['plugin_location']['location']) {
      $extras['node'][$type]['display']['fb_social_' . $preset->name] = array(
        'label' => t('Facebook like: ' . $preset->name),
        'description' => t('The "like" plugin field from ' . $preset->name . ' preset'),
        'weight' => 15,
      );
    }
  }
}

/**
 * nodeapi_view callback for this plugin
 */
function _fb_social_like_nodeapi_view($preset, &$node, $view_mode = 'full') {
  if ($node->status && fb_social_preset_node_types($preset, $node->type) && $preset->settings['plugin_location']['location']) {
    if (!empty($preset->settings['plugin_location']['node_view_modes'][$view_mode])) {
      $preset->fb_attrs['href'] = fb_social_url('node/' . $node->nid);
      $output = fb_social_preset_view($preset);
      $node->content['fb_social_' . $preset->name] = array(
        '#markup' => $output,
        '#weight' => 15,
      );
    }
  }
}

/**
 * Pseudo hook_link for this plugin
 */
function _fb_social_like_link($preset, $type, $object, $view_mode) {
  $links = array();

  // no like for unpublished nodes
  if (!$object->status) {
    return $links;
  }

  // if no plugin on this particular view_mode, return
  if (empty($preset->settings['plugin_location']['node_view_modes'][$view_mode])) {
    return $links;
  }

  // plugin is not to be displayed in the node links. continue
  if ($preset->settings['plugin_location']['location']) {
    return $links;
  }

  // good to go
  if (fb_social_preset_node_types($preset, $object->type)) {
    $preset->fb_attrs['href'] = fb_social_url('node/' . $object->nid);
    $link_title = fb_social_preset_view($preset);
    $links['fb-social-like-' . $preset->name] = array(
      'title' => $link_title,
      'html' => TRUE,
    );
  }
  return $links;
}

Functions

Name	Description
like_defaults
like_drupal_settings
like_fb_settings
_fb_social_like_field_extra_fields	content_extra_fields callback for this plugin
_fb_social_like_link	Pseudo hook_link for this plugin
_fb_social_like_nodeapi_view	nodeapi_view callback for this plugin
_fb_social_like_preprocess_fb_social_plugin