Add geometry field.

modules/farm/farm_livestock/farm_livestock.farm_quick.move.inc

@@ -34,6 +34,28 @@ function farm_livestock_move_form($form, &$form_state) {
     '#required' => TRUE,
   );
 
+  // Geometry
+  // Add a farmOS map instance with the WKT and drawing controls.
+  $wkt = '';
+  $form['move']['area']['geometry'] = array(
+    '#type' => 'fieldset',
+    '#title' => t('Geometry'),
+    '#description' => t('This field allows you to optionally specify a more precise geometry for the new location of assets. If you leave it blank, the geometry will be copied from the areas that assets are moving to (if available).'),
+    '#collapsible' => TRUE,
+    '#collapsed' => TRUE,
+  );
+  $form['move']['area']['geometry']['map'] = array(
+    '#type' => 'farm_map',
+    '#map_name' => 'farm_movement',
+    '#wkt' => $wkt,
+    '#edit' => TRUE,
+  );
+  $form['move']['area']['geometry']['data'] = array(
+    '#type' => 'textarea',
+    '#title' => t('Data'),
+    '#default_value' => $wkt,
+  );
+
   // Submit button.
   $form['move']['submit'] = array(
     '#type' => 'submit',

modules/farm/farm_movement/farm_movement.farm_map.inc

@@ -15,6 +15,9 @@ function farm_movement_farm_map_behaviors() {
     'assets_cluster' => array(
       'js' => 'js/farmOS.map.behaviors.assets_cluster.js',
     ),
+    'move' => array(
+      'js' => 'js/farmOS.map.behaviors.move.js',
+    ),
   );
 }
 
@@ -74,4 +77,9 @@ function farm_movement_farm_map_view($name, $element) {
     farm_map_add_behavior('assets_cluster');
     farm_map_add_behavior('popup');
   }
+
+  // Add move behavior to movement maps.
+  if ($name == 'farm_movement') {
+    farm_map_add_behavior('move');
+  }
 }

modules/farm/farm_movement/js/farmOS.map.behaviors.move.js

@@ -0,0 +1,14 @@
+(function ($) {
+  farmOS.map.behaviors.move = {
+    attach: function (instance) {
+
+      // When features are changed in the map, drop the WKT into the data field.
+      instance.edit.wktOn('featurechange', function(wkt) {
+        $('#' + instance.target).parent().find('textarea').val(wkt);
+      });
+    },
+
+    // Make sure this runs after farmOS.map.behaviors.wkt.
+    weight: 101,
+  };
+}(jQuery));