Small fixes to some of the basic views handlers. Need to ensure that values are arrays before looping and that aliases exist before using

tripal_views/views/handlers/chado_views_handler_field.inc

@@ -133,7 +133,9 @@ class chado_views_handler_field extends views_handler_field {
   function render_node_link($link_text, $values) {
 
     $node_field = $this->view->field['nid'];
-    $nid = $values->{$node_field->aliases['nid']};
+    if (isset($node_field->aliases['nid'])) {
+      $nid = $values->{$node_field->aliases['nid']};
+    }
 
     if ($nid) {
       return l($link_text, 'node/' . $nid);

tripal_views/views/handlers/tripal_views_handler_filter_no_results.inc

@@ -51,11 +51,16 @@ class tripal_views_handler_filter_no_results extends views_handler_filter {
     // If they do then just show results by default b/c there is no way to tell the
     // different between before and after submitted
     $all_arrays = TRUE;
-    foreach ($this->view->exposed_raw_input as $v) {
-      if (!is_array($v)) {
-        $all_arrays = FALSE;
+    if (is_array($this->view->exposed_raw_input)) {
+      foreach ($this->view->exposed_raw_input as $v) {
+        if (!is_array($v)) {
+          $all_arrays = FALSE;
+        }
       }
     }
+    else {
+      $all_arrays = FALSE;
+    }
 
     if (empty($this->view->exposed_input) && !$all_arrays) {
       $this->view->executed = TRUE;