79 lines
2.2 KiB
PHP
79 lines
2.2 KiB
PHP
<?php
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/**
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* @file
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* Farm Map hooks implemented by the Farm Area module.
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*/
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/**
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* Implements hook_farm_map_behaviors().
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*/
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function farm_area_farm_map_behaviors() {
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return array(
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'areas' => array(
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'js' => 'js/farmOS.map.behaviors.areas.js',
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),
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'areas_combined' => array(
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'js' => 'js/farmOS.map.behaviors.areas_combined.js',
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),
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);
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}
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/**
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* Implements hook_farm_map_behavior_settings().
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*/
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function farm_area_farm_map_behavior_settings($behavior) {
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$settings = array();
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if ($behavior == 'areas') {
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// Ensure that this only runs once. It adds a JS settings that describes the
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// available area types. This gets merged into other settings in
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// drupal_add_js(), which can result in the area types being duplicated if
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// multiple maps are on the page.
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static $farm_areas_added = FALSE;
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if ($farm_areas_added) {
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return $settings;
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}
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$farm_areas_added = TRUE;
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// Get all area types.
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$area_types = farm_area_types();
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// Build an array of area type layer information, including the label, style,
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// and GeoJSON URL for each.
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$area_layers = array();
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foreach ($area_types as $key => $type) {
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$area_layers[] = array(
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'label' => $type['label'],
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'style' => $type['style'],
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'url' => url('farm/areas/geojson/' . $key),
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);
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}
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// Reverse the array order so that they are added to the map from bottom
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// to top.
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$area_layers = array_reverse($area_layers);
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// Add the area layers array as a setting.
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$settings['layers'] = $area_layers;
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}
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return $settings;
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}
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/**
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* Implements hook_farm_map_view().
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*/
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function farm_area_farm_map_view($name, $element) {
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// Add a farmOS map behavior that adds all area layers to the areas map.
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if ($name == 'farm_areas') {
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farm_map_add_behavior('popup');
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farm_map_add_behavior('areas', array('zoom' => TRUE));
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}
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// Show "all areas" layer in geofield maps, and zoom to them if no WKT is set.
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if (in_array($name, array('farm_map_geofield', 'farm_map_geofield_widget'))) {
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$zoom = empty($element['#wkt']) || $element['#wkt'] == 'GEOMETRYCOLLECTION EMPTY';
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farm_map_add_behavior('areas_combined', array('zoom' => $zoom));
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}
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}
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