Fix bug

action.php

@@ -101,6 +101,9 @@ switch ($VARS['action']) {
 
         $component->save();
 
+        if (empty($VARS["machine"])) {
+            returnToSender("component_saved");
+        }
         returnToSender("component_saved", $component->getMachineID());
     case "addevent":
         $user = new User($_SESSION['uid']);

pages/editcomponent.php

@@ -20,16 +20,18 @@ $machine = null;
 if (!empty($VARS["arg"]) && Component::exists($VARS["arg"])) {
     $editing = true;
     $component = new Component($VARS["arg"]);
-    $machine = new Machine($component->getMachineID());
 } else if (!empty($VARS["id"]) && Component::exists($VARS["id"])) {
     $editing = true;
     $component = new Component($VARS["id"]);
-    $machine = new Machine($component->getMachineID());
 } else {
     $component = Component::create();
     $editing = false;
 }
 
+if ($editing && !empty($component->getMachineID())) {
+    $machine = new Machine($component->getMachineID());
+}
+
 if (!empty($VARS['machine']) && Machine::exists($VARS['machine'])) {
     $machine = new Machine($VARS['machine']);
     $component->setMachineID($machine->getID());
@@ -41,7 +43,7 @@ if ($editing) {
     $form = new FormBuilder("Add Component", "fas fa-memory", "action.php", "POST");
 }
 
-$form->setID("editmachine");
+$form->setID("editcomponent");
 
 $form->addHiddenInput("action", "editcomponent");
 
@@ -58,7 +60,7 @@ if ($editing) {
     $form->addInput("id", $component->getID(), "text", true, null, null, "Component ID", "fas fa-memory", 4, 1, 20);
 }
 
-if (!is_null($machine)) {
+if (!empty($machine)) {
     $form->addHiddenInput("source", "viewmachine");
 } else {
     $form->addHiddenInput("source", "components");