Provide local action links for crops, plantings, seedings, and transplantings.

farm_crop.module

@@ -6,6 +6,87 @@
 
 include_once 'farm_crop.features.inc';
 
+/**
+ * Implements hook_menu_local_tasks_alter().
+ */
+function farm_crop_menu_local_tasks_alter(&$data, $router_item, $root_path) {
+
+  // Define actions.
+  $actions = array(
+    'crop' => array(
+      'title' => t('Add a crop'),
+      'href' => 'admin/structure/taxonomy/farm_crops/add',
+    ),
+    'planting' => array(
+      'title' => t('Add a planting'),
+      'href' => 'farm/asset/add/planting',
+    ),
+    'seeding' => array(
+      'title' => t('Record a seeding'),
+      'href' => 'log/add/farm_seeding',
+    ),
+    'transplanting' => array(
+      'title' => t('Record a transplanting'),
+      'href' => 'log/add/farm_transplanting',
+    ),
+  );
+
+  // Define actions for various paths.
+  $path_actions = array(
+    'admin/farm/crops' => array('crop'),
+    'admin/farm/crops/plantings' => array('planting'),
+    'admin/farm/plan/seedings' => array('seeding'),
+    'admin/farm/plan/transplantings' => array('transplanting'),
+    'farm/asset/%' => array('seeding', 'transplanting'),
+    'taxonomy/term/%/seedings' => array('seeding'),
+    'taxonomy/term/%/transplantings' => array('transplanting'),
+  );
+
+  // Add actions depending on the root path.
+  if (array_key_exists($root_path, $path_actions)) {
+    foreach($path_actions[$root_path] as $action) {
+      $output = array(
+        '#theme' => 'menu_local_action',
+        '#link' => array(
+          'title' => $actions[$action]['title'],
+          'href' => $actions[$action]['href'],
+          'localized_options' => array(
+            'query' => array(
+              'destination' => $root_path,
+            ),
+          ),
+        ),
+      );
+
+      // If this is a farm asset movements path...
+      if (in_array($root_path, array('farm/asset/%', 'farm/asset/%/seedings', 'farm/asset/%/transplantings'))) {
+
+        // Get the asset id from the path.
+        $asset_id = check_plain(arg(2));
+
+        // Load the asset.
+        $farm_asset = farm_asset_load($asset_id);
+
+        // If the farm asset is not a planting, bail.
+        if (empty($farm_asset->type) || $farm_asset->type != 'planting') {
+          continue;
+        }
+
+        // Set the destination to the farm asset page.
+        $output['#link']['localized_options']['query']['destination'] = 'farm/asset/' . $asset_id;
+
+        // Set the farm_asset query string to the asset id. This will be used to
+        // prepopualte asset reference fields in log entities.
+        // See hook_form_alter() below
+        $output['#link']['localized_options']['query']['farm_asset'] = $asset_id;
+      }
+
+      // Add the action output.
+      $data['actions']['output'][] = $output;
+    }
+  }
+}
+
 /**
  * Implements hook_form_alter().
  */