subscribe.inc in Facebook social plugins integration 6.2

File

plugins/fb_plugin/subscribe.inc

<?php

/**
 * @file subscribe.inc
 * 
 * Main (ctools) plugin file for "subscribe" plugin type
 */
$plugin = array(
  'title' => t('Subscribe'),
  'description' => t('Facebook subscribe plugin'),
  'html tag name' => 'subscribe',
  // hooks
  'hook_nodeapi_view' => '_fb_social_subscribe_nodeapi_view',
  'hook_field_extra_fields' => '_fb_social_subscribe_field_extra_fields',
  'hook_link' => '_fb_social_subscribe_link',
  'hook_preprocess_fb_social_plugin' => '_fb_social_subscribe_preprocess_fb_social_plugin',
);
function subscribe_defaults() {
  return array(
    'href' => '',
    'layout' => 'standard',
    'show_faces' => 1,
    'width' => 450,
    'font' => 'verdana',
    'colorscheme' => 'light',
  );
}
function subscribe_fb_settings($options) {
  $form = array();
  $form['href'] = array(
    '#type' => 'textfield',
    '#title' => t('Profile URL'),
    '#description' => t('Profile URL of the user to subscribe to'),
  );
  $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['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'),
    ),
  );
  $defaults = subscribe_defaults();
  foreach ($form as $id => $f) {
    $form[$id]['#default_value'] = isset($options[$id]) ? $options[$id] : $defaults[$id];
  }
  return $form;
}
function subscribe_drupal_settings($options) {
  $form = array();
  $form['node_types'] = array(
    '#type' => 'fieldset',
    '#title' => t('Content types'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );
  $form['node_types']['types'] = array(
    '#type' => 'checkboxes',
    '#description' => t('Select types that will use the facebook subscribe plugin'),
    '#default_value' => isset($options['node_types']['types']) ? array_keys(array_filter($options['node_types']['types'])) : array(),
    '#options' => node_get_types('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'),
  );
  $form['plugin_location']['node_view_modes'] = array(
    '#type' => 'checkboxes',
    '#title' => t('View modes'),
    '#description' => t('Select view mode where it will be displayed.'),
    '#options' => array(
      'teaser' => t('Teaser'),
      'full' => t('Full node'),
    ),
    '#default_value' => isset($options['plugin_location']['node_view_modes']) ? $options['plugin_location']['node_view_modes'] : array(
      'full',
    ),
  );
  return $form;
}
function _fb_social_subscribe_preprocess_fb_social_plugin(&$variables) {
  $options =& $variables['options'];
  $options['show_faces'] = $options['show_faces'] ? "true" : "false";
}

/**
 * content_extra_fields callback for this plugin
 */
function _fb_social_subscribe_content_extra_fields($preset, $type_name) {
  $extras = array();
  if (fb_social_preset_node_types($preset, $type_name) && $preset->settings['plugin_location']['location']) {
    $extras['fb_social_' . $preset->plugin_type . '_' . $preset->name] = array(
      'label' => t('Facebook social:  ' . $preset->name . ' plugin'),
      'description' => t('The "' . $preset->plugin_type . '" plugin field from ' . $preset->name . ' preset'),
      'weight' => 15,
    );
  }
  return $extras;
}

/**
 * nodeapi_view callback for this plugin
 */
function _fb_social_subscribe_nodeapi_view($preset, &$node, $op, $a3 = NULL, $a4 = NULL) {

  // dont disply plugin for unpublished nodes
  if (!$node->status) {
    return;
  }

  // this plugin is not enabled on this content type
  if (!fb_social_preset_node_types($preset, $node->type)) {
    return;
  }

  // or when it's not supposed to be displayed in the node content area
  if (!$preset->settings['plugin_location']['location']) {
    return;
  }

  // we are in a page view but the settings says to display the plugin only in teaser view
  if ($a4 && empty($preset->settings['plugin_location']['node_view_modes']['full'])) {
    return;
  }

  // we are in a page view but the settings says to display the plugin only in teaser view
  if ($a3 && empty($preset->settings['plugin_location']['node_view_modes']['teaser'])) {
    return;
  }

  // all good ...
  $output = fb_social_preset_view($preset);
  $weight = module_exists('content') ? content_extra_field_weight($node->type, 'fb_social_subscribe_' . $preset->name) : 10;
  $node->content['fb_social_subscribe_' . $preset->name] = array(
    '#weight' => $weight,
    '#value' => $output,
  );
}

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

  //only nodes are supported / dont subscribe unpublished nodes
  if ('node' != $type || !$object->status) {
    return $links;
  }

  // if no plugin on teasers continue
  if ($teaser && empty($preset->settings['plugin_location']['node_view_modes']['teaser'])) {
    return $links;
  }

  // if no plugin on teasers continue
  if (!$teaser && empty($preset->settings['plugin_location']['node_view_modes']['full'])) {
    return $links;
  }

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

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

Functions

Name	Description
subscribe_defaults
subscribe_drupal_settings
subscribe_fb_settings
_fb_social_subscribe_content_extra_fields	content_extra_fields callback for this plugin
_fb_social_subscribe_link	Pseudo hook_link for this plugin
_fb_social_subscribe_nodeapi_view	nodeapi_view callback for this plugin
_fb_social_subscribe_preprocess_fb_social_plugin