Initial commit of entityform block module

name = Entityforms Block

description = Allows to load a specified entity form as a block

dependencies[] = entityform

package = Entityforms

core = 7.x

files[] = entityform_block.module

<?php

/**

 * @file

 * Render any entity form into a block.

 */

/**

 * Implements hook_block_info().

 */

function entityform_block_block_info() {

  $blocks = array();

  $types = variable_get('entityform_block_types');

  if (!empty($types)) {

    foreach($types as $key => $type) {

      $blocks[$type] = array(

          'info' => $type,

          'cache' => DRUPAL_NO_CACHE,

      );

    }

  }

  return $blocks;

}

/**

 * Implements hook_block_view().

 */

function entityform_block_block_view($delta = '') {

  $entity_form = entityform_block_get_entity($delta);

  $subject = $entity_form[1]->label;

  $block = array();

   module_load_include('inc', 'entityform', 'entityform.admin');

  $block['subject'] = $subject;

  $block['content'] = entityform_form_wrapper(entityform_empty_load($delta));    

  return $block;

}

/**

 * Implements hook_form_alter().

 * 

 * Adds a checkbox to enable a block to the entity form edit form.

 */

function entityform_block_form_alter(&$form, &$form_state, $form_id) {

  if ($form_id == 'entityform_type_form') {

    $types = array();

    $types = variable_get('entityform_block_types');

    $current_type = $form['#entityform_type']->type;

    if (!empty($types) && isset($current_type)) {

      $exists = entityform_block_exists($types, $current_type);

      $form['data']['block_set']['current_type'] = array(

          '#type' => 'hidden',

          '#value' => $current_type,

      );

    }

    $form['data']['block_set'] = array(

        '#type' => 'fieldset',

        '#title' => t('Entity block settings'),

        '#collapsible' => TRUE,

        '#group' => 'additional_settings',

        '#weight' => 100,

    );

    $form['data']['block_set']['enable_block'] = array(

        '#type' => 'checkbox',

        '#title' => t('Enable as a block'),        

        '#description' => t('Create a block with this entity form?'),        

        '#default_value' => !empty($exists) ? 1 : 0, 

    );

    $form['#submit'][] = 'entityform_block_submit';

  }

  dpm($form);

}

/*

 * Custom submit function.

 */

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

  $types = array();

  $types = variable_get('entityform_block_types', $types);

  $original_type = isset($form_state['values']['data']['block_set']['current_type']) ? 

  $form_state['values']['data']['block_set']['current_type'] : '';

  $type = $form_state['values']['type'];

  if (!empty($types)) {

    $block_exists = entityform_block_exists($types, $type, $original_type); 

  }

  if ($form_state['values']['data']['block_set']['enable_block'] == 1) {

    $enabled = TRUE;

  }

  if (isset($enabled)) {

    // if the entityform block enabled but doesn't exist

    // add to the array

    if (!isset($block_exists)) {

      $types[] = $type;

    }

    // if the block exists, check if the entity form machine name has changed

    else {

      if ($original_type != $type) {

        $key = array_search($original_type, $types);

        $types[$key] = $type;

        entityform_block_change_name($original_type, $type);

      }

    } 

    // if it's not enabled but block exists

  } elseif (!isset($enabled) && $block_exists) { 

      $key = array_search($original_type, $types); 

      unset($types[$key]);

    }

  variable_set('entityform_block_types', $types);

  //dpm($form_state);

}

function entityform_block_exists($types = array(), $type, $original_type = '') {

  if (!empty($original_type) && $type !== $original_type) {

    $type_check = $original_type;

  } else {

    $type_check = $type;

  }

  if (in_array($type_check, $types)) {

    return TRUE;

  } else {

    return FALSE;

  }

}

/*

 * Update block name if the entity form's machine readable name has changed.

 * We're not using block deltas as they're not exportable.

 */

function entityform_block_change_name($original_type, $new_type) {

  $query = db_update('block')->fields(array('delta' => $new_type))

          ->condition('delta', $original_type)

          ->execute();

}

/*

 * Using entity field query to retrieve the entity object.

 */

function entityform_block_get_entity($type){

  $query = new EntityFieldQuery();

  $query->entityCondition('entity_type', 'entityform_type')

        ->propertyCondition('type', $type);

  $result = $query->execute();

  $id = $result['entityform_type'][1]->id;

  $entity_form = entity_load('entityform_type', array($id));

  return $entity_form;

}