Boxes plugin for ctools content types.

boxes_ctools_content.inc.php

<?php
// $Id$

/**
 * Base class for all ctools content types.
 */
abstract class boxes_ctools_content extends boxes_box {
  public $content_type;
  public $content_type_plugin;

  /**
   * Implementation of boxes_content::__construct().
   */
  protected function __construct($content_type) {
    parent::__construct();
    ctools_include('content');
    $this->content_type = $content_type;
    $this->content_type_plugin = ctools_get_content_type($this->content_type);
  }

  /**
   * Implementation of boxes_content::options_defaults().
   */
  public function options_defaults() {
    $defaults = array('subtype' => NULL);
    if (empty($this->content_type_plugin['defaults'])) {
      return $defaults;
    }
    return array_merge($this->content_type_plugin['defaults'], $defaults);
  }

  /**
   * Implementation of boxes_content::options_form().
   */
  public function options_form() {
    $plugin = $this->content_type_plugin;
    $op = $this->new ? 'add' : 'edit';

    $form_state = array(
      'conf' => $this->options,
      'op' => $op,
    );

    $form = array();

    if ($this->new) {
      $types = ctools_content_get_subtypes($this->content_type);
      $options = array();
      foreach ($types as $key => $subtype) {
        $options[$subtype['category']][$key] = $subtype['title'];
      }
      $form['subtype'] = array(
        '#type' => 'select',
        '#options' => $options,
        '#title' => 'Subtype',
      );
    }
    else {
      $form['subtype'] = array(
        '#type' => 'value',
        '#value' => $this->options['subtype'],
      );
    }

    // Populate the form array.
    $plugin[$op .' form']($form, $form_state);

    // Add the form validator function as an element validator.
    if (function_exists('boxes_'. $plugin[$op .' form'] .'_validate')) {
      $form['#element_validate'][] = 'boxes_'. $plugin[$op .' form'] .'_validate';
    }
    return $form;
  }

  /**
   * Implementation of boxes_content::options_form().
   */
  public function render() {
    $type = $this->content_type;
    $conf = $this->options;

    $content = ctools_content_render($type, $this->options['subtype'], $conf);
    $title = isset($this->title) ? check_plain($this->title) : NULL;
    return array(
      'delta' => $this->delta, // Crucial.
      'title' => $title,
      'subject' => $content->subject,
      'content' => $content->content,
    );
  }
}

boxes_ctools_content_block.inc.php

<?php
// $Id$

/**
 * Blocks as a block.
 */
class boxes_ctools_content_block extends boxes_ctools_content {

  /**
   * Implementation of boxes_content::__construct().
   */
  protected function __construct() {
    parent::__construct('block');
  }
}

boxes_ctools_content_node.inc.php

<?php
// $Id$

/**
 * Node as a block.
 */
class boxes_ctools_content_node extends boxes_ctools_content {

  /**
   * Implementation of boxes_content::__construct().
   */
  protected function __construct() {
    parent::__construct('node');
  }
}

/**
 * Validate the node selection.
 */
function boxes_ctools_node_content_type_edit_form_validate(&$form, &$form_state) {
  // This tricks the content type form validation.
  $form_id = $form_state['values']['form_id'];
  if ($form_id == 'boxes_add_form' || $form_id == 'boxes_box_form') {
    $form_state['op'] = 'add';
  }
  ctools_node_content_type_edit_form_validate($form, $form_state);
}