fix: Resolved technical debt - updated TODO/FIXME items: fixed UPDATE query in formproduct.cpp, corrected toDouble() in itemnumberdelegate.cpp, added ElementType enumeration, implemented composition deletion in formelementlist.cpp, updated README

gui/formbudget.cpp

@@ -5,6 +5,8 @@
 #include "treeitem.h"
 #include "mapplication.h"
 
+#include "../src/elementtype.h"
+
 #include "widgetcomboboxpopuptable.h"
 
 #include "itemnumberdelegate.h"
@@ -531,20 +533,22 @@ bool formBudget::InsertElement(QString ID, QModelIndex index)
         }
 
         // TODO: mirar de hacer esto con una enumeración o algo que automice el porceso:
-        switch (qry.value(qry.record().indexOf("TYPE1")).toInt())
+        switch (static_cast<ElementType>(qry.value(qry.record().indexOf("TYPE1")).toInt()))
         {
-            case 0:
+            case ElementType::Composed:
                 setLineType("CO", index);             // type
                 break;
-            case 1:
+            case ElementType::Material:
                 setLineType("MT", index);             // type
                 break;
-            case 2:
+            case ElementType::ManPower:
                 setLineType("MO", index);             // type
                 break;
-            case 3:
+            case ElementType::Machinery:
                 setLineType("MQ", index);             // type
                 break;
+            default:
+                break;
         }
     }
     else