leaflet.module

   1 <?php
   2 require_once ('leaflet.formatters.inc');
   3
   4 /**
   5  * Implements hook_theme().
   6  */
   7 function leaflet_theme($existing, $type, $theme, $path) {
   8   return array(
   9     'leaflet_map' => array(
  10       'arguments' => array('map_id' => NULL, 'height' => '400px'),
  11       'template' => 'leaflet_map',
  12     ),
  13   );
  14 }
  15
  16 /**
  17  * Implements hook_library().
  18  */
  19 function leaflet_library() {
  20   $libraries['leaflet'] = array(
  21     'title' => 'Leaflet',
  22     'website' => 'http://leaflet.cloudmade.com',
  23     'version' => '0.4',
  24     'js' => array(
  25       array(
  26         'type' => 'inline',
  27         'data' => 'L_ROOT_URL = "' . base_path() . libraries_get_path('leaflet') . '/dist/";',
  28         'group' => JS_LIBRARY,
  29         'preprocess' => FALSE
  30       ),
  31       array(
  32         'type' => 'file',
  33         'data' => libraries_get_path('leaflet') . '/dist/leaflet.js',
  34         'group' => JS_LIBRARY,
  35         'preprocess' => FALSE
  36       ),
  37     ),
  38     'css' => array(
  39       libraries_get_path('leaflet') . '/dist/leaflet.css' => array(
  40         'type' => 'file',
  41         'media' => 'screen',
  42       ),
  43       libraries_get_path('leaflet') . '/dist/leaflet.ie.css' => array(
  44         'browsers' => array(
  45           'IE' => 'lte IE 8',
  46           '!IE' => FALSE,
  47         ),
  48       ),
  49     ),
  50   );
  51
  52   $libraries['leaflet-drupal'] = array(
  53     'title' => 'Leaflet initialization',
  54     'website' => 'http://drupal.org/project/leaflet',
  55     'version' => '7.x-1.x',
  56     'js' => array(
  57       drupal_get_path('module', 'leaflet') . '/leaflet.drupal.js' => array(),
  58     ),
  59     'dependencies' => array(
  60       array('leaflet', 'leaflet'),
  61     ),
  62   );
  63
  64   return $libraries;
  65 }
  66
  67 /**
  68  * Load all Leaflet required client files and return markup for a map.
  69  *
  70  * @param array $map
  71  * @param array $features
  72  * @param string $height
  73  *
  74  * @return string map markup
  75  */
  76 function leaflet_render_map($map, $features = array(), $height = '400px') {
  77   $map_id = drupal_html_id('leaflet_map');
  78   drupal_add_library('leaflet', 'leaflet-drupal');
  79
  80   // Allow map definitions to provide a default icon
  81   if (isset($map['icon']['iconUrl'])) {
  82     foreach ($features as &$feature) {
  83       if (!isset($feature['icon'])) {
  84         $feature['icon'] = $map['icon'];
  85       }
  86     }
  87   }
  88
  89   $settings = array(
  90     'mapId' => $map_id,
  91     'map' => $map,
  92     'features' => $features,
  93   );
  94
  95   drupal_add_js(array('leaflet' => array($settings)), 'setting');
  96
  97   return theme('leaflet_map', array('map_id' => $map_id, 'height' => $height));
  98 }
  99
 100 /**
 101  * Get all avaialble Leaflet map definitions.
 102  *
 103  * @param string $map
 104  */
 105 function leaflet_map_get_info($map = NULL) {
 106   static $drupal_static_fast;
 107   if (!isset($drupal_static_fast)) {
 108     $drupal_static_fast['leaflet_map_info'] = &drupal_static(__FUNCTION__);
 109   }
 110   $map_info = &$drupal_static_fast['leaflet_map_info'];
 111
 112   if (empty($map_info)) {
 113     if ($cache = cache_get("leaflet_map_info")) {
 114       $map_info = $cache->data;
 115     }
 116     else {
 117       $map_info = module_invoke_all('leaflet_map_info');
 118
 119       // Let other modules alter the map info.
 120       drupal_alter('leaflet_map_info', $map_info);
 121
 122       cache_set("leaflet_map_info", $map_info);
 123     }
 124   }
 125
 126   if (empty($map)) {
 127     return $map_info;
 128   }
 129   elseif (isset($map_info[$map])) {
 130     return $map_info[$map];
 131   }
 132 }
 133
 134 /**
 135  * Implements hook_leaflet_map_info() to return a default map.
 136  *
 137  * @return array
 138  */
 139 function leaflet_leaflet_map_info() {
 140   return array(
 141     'OSM Mapnik' =>
 142     array(
 143       'label' => 'OSM Mapnik',
 144       'description' => t('Leaflet default map.'),
 145       'settings' => array(
 146         'zoom' => 18,
 147         'minZoom' => 0,
 148         'maxZoom' => 18,
 149         'dragging' => TRUE,
 150         'touchZoom' => TRUE,
 151         'scrollWheelZoom' => TRUE,
 152         'doubleClickZoom' => TRUE,
 153         'zoomControl' => TRUE,
 154         'attributionControl' => TRUE,
 155         'trackResize' => TRUE,
 156         'fadeAnimation' => TRUE,
 157         'zoomAnimation' => TRUE,
 158         'closePopupOnClick' => TRUE,
 159       ),
 160       'layers' => array(
 161         'earth' => array(
 162           'urlTemplate' => 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
 163           'options' => array(
 164             'attribution' => 'OSM Mapnik'
 165           )
 166         ),
 167       ),
 168     ),
 169   );
 170 }
 171