openlayers_behavior_layerzoom.inc in Openlayers 7.2
Implementation of OpenLayers behavior.
File
plugins/behaviors/openlayers_behavior_layerzoom.incView source
<?php
/**
* @file
* Implementation of OpenLayers behavior.
*/
/**
* Layer Zoom Behavior
*/
class openlayers_behavior_layerzoom extends openlayers_behavior {
function options_form($defaults = array()) {
$options = array();
foreach ($this->map['layers'] as $layer) {
if ($layer != $this->map['default_layer']) {
$options[$layer] = array(
'enable' => array(
'#type' => 'checkbox',
'#title' => t('Enable dynamic zoom levels for @layer', array(
'@layer' => $layer,
)),
'#default_value' => isset($this->options[$layer]['enable']) ? $this->options[$layer]['enable'] : 0,
),
'resolutions' => array(
'#type' => 'select',
'#multiple' => TRUE,
'#options' => array_combine(array_map('strval', openlayers_get_resolutions('EPSG:900913')), range(0, 21)),
'#title' => t('Zoom Level Range for @layer', array(
'@layer' => $layer,
)),
'#default_value' => isset($this->options[$layer]['resolutions']) ? $this->options[$layer]['resolutions'] : array_map('strval', openlayers_get_resolutions('EPSG:900913')),
'#description' => t('The zoom levels at which this layer will display.'),
),
);
}
}
return $options;
}
/**
* Render.
*/
function render(&$map) {
drupal_add_js(drupal_get_path('module', 'openlayers') . '/plugins/behaviors/openlayers_behavior_layerzoom.js');
return $this->options;
}
}
Classes
Name![]() |
Description |
---|---|
openlayers_behavior_layerzoom | Layer Zoom Behavior |