aggiunta firma circolari

site/tmpl/circolari/default.xml

@@ -1,10 +1,37 @@
 <?xml version="1.0" encoding="utf-8"?>
 <metadata>
-  <layout title="COM_CIRCOLARI_MENU_LIST" option="com_circolari" />
+  <layout title="Lista di categorie Circolari" option="com_circolari">
+    <help key="JHELP_MENUS_MENU_ITEM_GENERIC" />
+  </layout>
+
+  <!-- Parametri che finiscono direttamente nella URL (request) -->
   <fields name="request">
     <fieldset name="request">
+      <!-- Selezione della categoria delle circolari -->
+     <field
+      name="categoria_id"
+      type="sql"
+      label="Categoria"
+      required="true"
+      query="SELECT id AS value, title AS text FROM #__circolari_categorie WHERE state = 1 ORDER BY title"
+      key_field="value"
+      value_field="text"
+      translate="false"
+    />
+
+      <!-- Forza la view corretta -->
       <field name="view" type="hidden" default="circolari" />
-      <field name="categoria_id" type="category" extension="com_content" label="JCATEGORY" required="false" />
+    </fieldset>
+  </fields>
+
+  <!-- Opzioni pagina (facoltative) -->
+  <fields name="params">
+    <fieldset name="advanced" label="JGLOBAL_FIELDSET_ADVANCED">
+      <field name="page_title" type="text" label="JGLOBAL_TITLE" />
+      <field name="show_page_heading" type="radio" default="1" label="JGLOBAL_SHOW_PAGE_HEADING">
+        <option value="1">JYES</option>
+        <option value="0">JNO</option>
+      </field>
     </fieldset>
   </fields>
 </metadata>