openlayers_behavior_tooltip

Attribution Behavior

Hierarchy

Functions & methods

NameDescription
openlayers_behavior::js_dependency
openlayers_behavior::__construct
openlayers_behavior_tooltip::options_formForm defintion for per map customizations. Overrides openlayers_behavior::options_form
openlayers_behavior_tooltip::options_initProvide initial values for options. Overrides openlayers_behavior::options_init
openlayers_behavior_tooltip::renderRender. Overrides openlayers_behavior::render

includes/behaviors/openlayers_behavior_tooltip.inc, line 12

View code
<?php
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) {
    // 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') .
      '/includes/behaviors/js/openlayers_behavior_tooltip.js');
    return $this->options;
  }
}
?>