class openlayers_layer_type_osm in Openlayers 7.2

OpenLayers OSM Layer Type class

Hierarchy

• class \openlayers_layer_type
  • class \openlayers_layer_type_osm

File

plugins/layer_types/openlayers_layer_type_osm.inc, line 10

OSM Layer Type

class openlayers_layer_type_osm extends openlayers_layer_type {

  /**
   * Provide initial values for options.
   */
  function options_init() {
    return array(
      'layer_handler' => 'osm',
      'type' => 'png',
    ) + parent::options_init();
  }

  /**
   * Options form which generates layers
   */
  function options_form($defaults = array()) {
    return array(
      'serverResolutions' => array(
        '#type' => 'select',
        '#multiple' => TRUE,
        '#description' => t('Only set this if you need a very specific resolution.'),
        '#options' => array_combine(array_map('strval', openlayers_get_resolutions('EPSG:900913')), range(0, 21)),
        '#title' => t('Zoom Level Range'),
        '#default_value' => isset($this->data['serverResolutions']) ? array_map('strval', $this->data['serverResolutions']) : NULL,
      ),
      'resolutions' => array(
        '#type' => 'select',
        '#multiple' => TRUE,
        '#description' => t('Only set this if you need a very specific resolution.'),
        '#options' => array_combine(array_map('strval', openlayers_get_resolutions('EPSG:900913')), range(0, 21)),
        '#title' => t('Zoom Level Range'),
        '#default_value' => isset($this->data['resolutions']) ? array_map('strval', $this->data['resolutions']) : array(),
      ),
      'url' => array(
        '#type' => 'textarea',
        '#title' => t('Base URL (template)'),
        '#default_value' => !empty($this->data['url']) ? implode("\n", (array) $this->data['url']) : '',
        '#maxlength' => 2083,
        '#description' => t('This is the base URL template for the XYZ layer.  It should be something similar to <em>http://example.com/tiles/1.0.0/layer_name/${z}/${x}/${y}.png</em>.'),
      ),
    );
  }
  function options_form_validate($form, &$form_state) {
    $form_state['data']['url'] = explode("\n", $form_state['data']['url']);
    $form_state['data']['serverResolutions'] = array_map('floatval', array_values($form_state['data']['serverResolutions']));
    $form_state['data']['resolutions'] = array_map('floatval', array_values($form_state['data']['resolutions']));
  }

  /**
   * Render.
   */
  function render(&$map) {
    drupal_add_js(drupal_get_path('module', 'openlayers') . '/plugins/layer_types/openlayers_layer_type_osm.js');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
openlayers_layer_type::$data	public	property	Stores the options for this layer.
openlayers_layer_type::$map	public	property	Stores the current map.
openlayers_layer_type::getProjections	public	function
openlayers_layer_type::options_form_submit		function	Submit the options_form().	6
openlayers_layer_type::settings_form		function	Options form to configure layer-type-wide options.	3
openlayers_layer_type::__construct		function	Set configuration and store map.
openlayers_layer_type_osm::options_form		function	Options form which generates layers Overrides openlayers_layer_type::options_form
openlayers_layer_type_osm::options_form_validate		function	Validate the options_form(). Overrides openlayers_layer_type::options_form_validate
openlayers_layer_type_osm::options_init		function	Provide initial values for options. Overrides openlayers_layer_type::options_init
openlayers_layer_type_osm::render		function	Render. Overrides openlayers_layer_type::render