leaflet_markercluster.module in Leaflet Markercluster 7

File

leaflet_markercluster.module

<?php

/**
 * Implements hook_library().
 */
function leaflet_markercluster_library() {
  if (!($path = leaflet_markercluster_get_library_path())) {
    return NULL;
  }
  $libraries['leaflet_markercluster'] = array(
    'title' => 'Leaflet Markercluster',
    'version' => 0.4,
    'js' => array(
      array(
        'type' => 'file',
        'data' => "{$path}/leaflet.markercluster.js",
        'group' => JS_LIBRARY,
        'preprocess' => FALSE,
        'weight' => 1,
      ),
    ),
    'css' => array(
      "{$path}/MarkerCluster.css" => array(
        'type' => 'file',
        'media' => 'screen',
      ),
      "{$path}/MarkerCluster.Default.css" => array(
        'type' => 'file',
        'media' => 'screen',
      ),
      "{$path}/MarkerCluster.Default.ie.css" => array(
        'type' => 'file',
        'media' => 'screen',
        'every_page' => TRUE,
        'browsers' => array(
          'IE' => 'lte IE 8',
          '!IE' => FALSE,
          'preprocess' => FALSE,
        ),
      ),
    ),
  );
  return $libraries;
}

/**
 * Implements hook_leaflet_map_prebuild_alter().
 */
function leaflet_markercluster_leaflet_map_prebuild_alter(&$vars = NULL) {
  if (!isset($vars['map']['settings']['maxClusterRadius']) || $vars['map']['settings']['maxClusterRadius'] > 0) {
    drupal_add_library('leaflet_markercluster', 'leaflet_markercluster');
    $options = array(
      'type' => 'file',
      'weight' => 1,
    );
    drupal_add_js(drupal_get_path('module', 'leaflet_markercluster') . '/leaflet_markercluster.drupal.js', $options);
  }
}

/**
 * Implements hook_leaflet_build_map_alter().
 */
function leaflet_markercluster_leaflet_build_map_alter(&$build) {
  $settings = array();
  if (!empty($build['#attached']['js'])) {
    foreach ($build['#attached']['js'] as $data) {
      if (isset($data['type']) && $data['type'] == 'setting' && isset($data['data']['leaflet'])) {
        $settings = $data['data']['leaflet'][0];
        break;
      }
    }
  }
  if (!isset($settings['map']['settings']['maxClusterRadius']) || $settings['map']['settings']['maxClusterRadius'] > 0) {
    $build['#attached']['library'][] = array(
      'leaflet_markercluster',
      'leaflet_markercluster',
    );
    $build['#attached']['js'][] = array(
      'data' => drupal_get_path('module', 'leaflet_markercluster') . '/leaflet_markercluster.drupal.js',
      'weight' => 1,
    );
  }
}

/**
 * Implements hook_requirements().
 */
function leaflet_markercluster_requirements($phase) {
  if ($phase != 'runtime') {
    return array();
  }
  $requirements['leaflet_markercluster']['title'] = t('Leaflet MarkerCluster library');
  if ($path = leaflet_markercluster_get_library_path()) {
    $file = "{$path}/leaflet.markercluster.js";
  }
  if ($path && file_exists($file)) {
    $requirements['leaflet_markercluster']['value'] = t('Installed');
    $requirements['leaflet_markercluster']['severity'] = REQUIREMENT_OK;
  }
  else {
    $requirements['leaflet_markercluster']['value'] = $path ? t('File not found: %file', array(
      '%file' => $file,
    )) : t('/leaflet_markercluster library directory missing');
    $requirements['leaflet_markercluster']['severity'] = REQUIREMENT_ERROR;
  }
  return $requirements;
}
function leaflet_markercluster_get_library_path() {
  $path = libraries_get_path('leaflet_markercluster');
  return $path ? "{$path}/dist" : FALSE;
}

Functions

Name	Description
leaflet_markercluster_get_library_path
leaflet_markercluster_leaflet_build_map_alter	Implements hook_leaflet_build_map_alter().
leaflet_markercluster_leaflet_map_prebuild_alter	Implements hook_leaflet_map_prebuild_alter().
leaflet_markercluster_library	Implements hook_library().
leaflet_markercluster_requirements	Implements hook_requirements().