class openlayers_behavior_zoomtolayer in Openlayers 7.2

Zoom To Layer Behavior

Hierarchy

• class \openlayers_behavior
  • class \openlayers_behavior_zoomtolayer

File

plugins/behaviors/openlayers_behavior_zoomtolayer.inc, line 10

Implementation of OpenLayers behavior.

class openlayers_behavior_zoomtolayer extends openlayers_behavior {

  /**
   * Provide initial values for options.
   */
  function options_init() {
    return array(
      'point_zoom_level' => '5',
      'zoomtolayer_scale' => 1,
    );
  }
  function options_form($defaults = array()) {
    return array(
      'zoomtolayer' => array(
        '#type' => 'checkboxes',
        '#options' => $this->map['layers'],
        '#description' => t('Select layer(s) to which to zoom when the map is loaded.'),
        '#default_value' => isset($defaults['zoomtolayer']) ? $defaults['zoomtolayer'] : array(),
      ),
      'point_zoom_level' => array(
        '#title' => t('Point Zoom Level'),
        '#type' => 'textfield',
        '#default_value' => isset($defaults['point_zoom_level']) ? $defaults['point_zoom_level'] : 5,
        '#size' => 5,
      ),
      'zoomtolayer_scale' => array(
        '#title' => t('Zoom to Layer Scale'),
        '#type' => 'textfield',
        '#size' => 5,
        '#description' => t('Additional scaling to apply to the calculated bounds before zooming.  See <a href="http://dev.openlayers.org/docs/files/OpenLayers/BaseTypes/Bounds-js.html#OpenLayers.Bounds.scale">OpenLayers docs</a>.'),
        '#default_value' => isset($defaults['zoomtolayer_scale']) ? $defaults['zoomtolayer_scale'] : 1,
      ),
    );
  }

  /**
   * Render.
   */
  function render(&$map) {
    drupal_add_js(drupal_get_path('module', 'openlayers') . '/plugins/behaviors/openlayers_behavior_zoomtolayer.js');
    return $this->options;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
openlayers_behavior::$options		property
openlayers_behavior::js_dependency		function		17
openlayers_behavior::__construct		function
openlayers_behavior_zoomtolayer::options_form		function	Overrides openlayers_behavior::options_form
openlayers_behavior_zoomtolayer::options_init		function	Provide initial values for options. Overrides openlayers_behavior::options_init
openlayers_behavior_zoomtolayer::render		function	Render. Overrides openlayers_behavior::render