class openlayers_behavior_tooltip in Openlayers 7.2

Tooltip Behavior

Hierarchy

• class \openlayers_behavior
  • class \openlayers_behavior_tooltip

File

plugins/behaviors/openlayers_behavior_tooltip.inc, line 10

Implementation of OpenLayers behavior for tooltips.

class openlayers_behavior_tooltip extends openlayers_behavior {

  /**
   * Provide initial values for options.
   */
  function options_init() {
    return array(
      'attribution' => '',
      'layers' => array(),
    );
  }

  /**
   * Form defintion for per map customizations.
   */
  function options_form($defaults = array()) {

    // Only prompt for vector layers
    $vector_layers = array();
    foreach ($this->map['layers'] as $id => $name) {
      $layer = openlayers_layer_load($id);
      if (isset($layer->data['vector']) && $layer->data['vector'] == TRUE) {
        $vector_layers[$id] = $name;
      }
    }
    return array(
      'layers' => array(
        '#title' => t('Layers'),
        '#type' => 'checkboxes',
        '#options' => $vector_layers,
        '#description' => t('Select layer to apply tooltips to.'),
        '#default_value' => isset($defaults['layers']) ? $defaults['layers'] : array(),
      ),
    );
  }

  /**
   * Render.
   */
  function render(&$map) {
    drupal_add_js(drupal_get_path('module', 'openlayers') . '/plugins/behaviors/openlayers_behavior_tooltip.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_tooltip::options_form		function	Form defintion for per map customizations. Overrides openlayers_behavior::options_form
openlayers_behavior_tooltip::options_init		function	Provide initial values for options. Overrides openlayers_behavior::options_init
openlayers_behavior_tooltip::render		function	Render. Overrides openlayers_behavior::render