visualization_entity_maps.module

<?php
/**
 * @file
 * Code for the Visualization Entity Maps feature.
 */

include_once 'visualization_entity_maps.features.inc';

/**
 * Implements hook_form_alter().
 */
function visualization_entity_maps_form_alter(&$form, $form_state, $form_id) {
  switch ($form_id) {
    case 'eck__entity__form_add_visualization_ve_map':
    case 'eck__entity__form_edit_visualization_ve_map':
      visualization_entity_maps_attach_libraries($form);
      break;
  }
}

/**
 * Attach needed libraries to an element.
 */
function visualization_entity_maps_attach_libraries(&$element) {
  $libraries = array(
    'lodash',
    'backbone',
    'recline',
    'd3',
    'gdocs',
    'csv',
    'mustache',
    'leaflet',
    'leaflet_markercluster',
    'slickgrid',
  );

  foreach ($libraries as $library) {
    $element['#attached']['libraries_load'][] = array($library);
  }

  $module_path = drupal_get_path('module', 'visualization_entity_maps');
  $element['#attached']['css'][] = $module_path . '/css/ve_map.css';
  $element['#attached']['css'][] = $module_path . '/css/ve_map_edit.css';
}

/**
 * Implements hook_entity_view().
 */
function visualization_entity_maps_entity_view($entity, $type, $view_mode, $langcode) {
  if ($type == 'visualization' && $entity->type == 've_map') {
    if(visualization_entity_resource_accesible($entity, 'field_ve_map_uuid_resource')){
      $entity->content['#suffix'] = '<div id="map"></div>';
      visualization_entity_maps_attach_libraries($entity->content);
      $entity->content['#attached']['css'][] = drupal_get_path('module', 'visualization_entity_maps') . '/css/ve_map.css';
      drupal_add_js(drupal_get_path('module', 'visualization_entity_maps') . '/js/visualization_entity_maps_view.js', array('weight' => 101));
      drupal_add_js(array('visualizationEntityMaps' => array('leafletPath' => libraries_get_path('leaflet', TRUE))), 'setting');
    } else {
      drupal_access_denied();
    }
  }
}

/**
 * Implements hook_theme().
 */
function visualization_entity_maps_theme($existing, $type, $theme, $path) {
  return array(
    'eck__entity__form_add_visualization_ve_map' => array(
      'render element' => 'form',
      'template' => 've-map-form',
      'path' => drupal_get_path('module', 'visualization_entity_maps') . '/templates',
    ),
    'eck__entity__form_edit_visualization_ve_map' => array(
      'render element' => 'form',
      'template' => 've-map-form',
      'path' => drupal_get_path('module', 'visualization_entity_maps') . '/templates',
    ),
  );
}

/**
 * Preprocess for map add form.
 */
function template_preprocess_eck__entity__form_add_visualization_ve_map(&$vars) {
  $form = $vars['form'];
  $form = visualization_entity_maps_attach_libraries($form);
  $module_path = drupal_get_path('module', 'visualization_entity_maps');
  drupal_add_js($module_path . '/js/visualization_entity_maps_steps.js', array('weight' => 100));
  drupal_add_js($module_path . '/js/visualization_entity_maps.js', array('weight' => 102));
  unset($vars['form']['actions']);
  unset($vars['form']['submit']);
}

/**
 * Preprocess for map edit form.
 */
function template_preprocess_eck__entity__form_edit_visualization_ve_map(&$vars) {
  $form = $vars['form'];
  $form = visualization_entity_maps_attach_libraries($form);
  $module_path = drupal_get_path('module', 'visualization_entity_maps');
  drupal_add_js($module_path . '/js/visualization_entity_maps_steps.js', array('weight' => 100));
  drupal_add_js($module_path . '/js/visualization_entity_maps.js', array('weight' => 102));
  unset($vars['form']['actions']);
  unset($vars['form']['submit']);
}

/**
 *  Implements hook_update_N().
 */
function visualization_entity_maps_update_7001() {

  // If field_uuid_resource doesn't exists I have to create it.
  if(!$field = field_info_instance('visualization', 'field_uuid_resource', 've_map')) {
    $instance = array(
      'bundle' => 've_map',
      'default_value' => NULL,
      'deleted' => 0,
      'description' => '',
      'display' => array(
        'default' => array(
          'label' => 'above',
          'module' => 'uuidreference',
          'settings' => array(
            'link' => FALSE,
          ),
          'type' => 'uuidreference_label',
          'weight' => 2,
        ),
        'teaser' => array(
          'label' => 'above',
          'settings' => array(),
          'type' => 'hidden',
          'weight' => 0,
        ),
      ),
      'entity_type' => 'visualization',
      'field_name' => 'field_uuid_resource',
      'label' => 'Existing resource',
      'required' => 0,
      'settings' => array(
        'user_register_form' => FALSE,
      ),
      'widget' => array(
        'active' => 0,
        'module' => 'uuidreference',
        'settings' => array(
          'autocomplete_path' => 'uuidreference/autocomplete',
        ),
        'type' => 'uuidreference_autocomplete',
        'weight' => 2,
      ),
    );

    field_create_instance($instance);
  }

  // If field_ve_map_uuid_resource exists then I copy the data and delete the old field.
  if ($instance = field_info_instance('visualization', 'field_ve_map_uuid_resource', 've_map')) {
    $query = new EntityFieldQuery();

    $query->entityCondition('entity_type', 'visualization')
      ->entityCondition('bundle', 've_map');

    $result = $query->execute();

    if (isset($result['visualization'])) {
      $maps_ids = array_keys($result['visualization']);
      $maps = entity_load('visualization', $maps_ids);
    }

    foreach ($maps as $map) {

      // We move the value from one to another field.
      $map->field_uuid_resource = $map->field_ve_map_uuid_resource;
      $map->save();
    }

    field_delete_instance($instance);
  }
}