openlayers_intialize

openlayers/openlayers.module, line 122

Versions

6

openlayers_intialize()

Intialize OpenLayers

Make sure that we have everything we need for OpenLayers

Parameters

$params Associative array of pamaters (none at the moment)

Return value

Boolean if intialization was succesful

Related topics

OpenLayers API: Specific functions that are part of the OpenLayers API

Provides an API and Modules to interface with OpenLayers. Needs work...

Code

<?php
function openlayers_intialize() {
  $success = TRUE;
  
  // Include the OpenLayers JS
  // We need to check if it a local path or URL, but really only need to do it once.
  static $included = FALSE;
  if ($included == FALSE) {
    $path = check_plain(variable_get('openlayers_source', 'http://openlayers.org/dev/OpenLayers.js'));
    // Check for full URL
    if (valid_url($path, TRUE)) {
      // If URL, we have to manually include it in Drupal
      drupal_set_html_head('<script src="'. check_url($path) .'" type="text/javascript"></script>');
    }
    else {
      drupal_add_js($path);
    }
    
    // Add CSS
    drupal_add_css(drupal_get_path('module', 'openlayers') .'/openlayers.css', 'module');
    // Add base JS file
    drupal_add_js(drupal_get_path('module', 'openlayers') .'/js/openlayers.js', 'module');
    $included = TRUE;
  }
  
  return $success;
}
?>