Fix: Add field date, xmls

view/line_form.xml

@@ -2,4 +2,12 @@
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
 <form>
+    <group col="2" id="line">
+        <label name="product"/>
+        <field name="product"/>
+        <label name="quantity"/>
+        <field name="quantity"/>
+        <label name="total_amount"/>
+        <field name="total_amount"/>
+    </group>
 </form>

view/line_tree.xml

@@ -2,4 +2,7 @@
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
 <tree>
-</tree>
+    <field name="product"/>
+    <field name="quantity"/>
+    <field name="total_amount"/>
+</tree>

view/order_form.xml

@@ -6,9 +6,8 @@ this repository contains the full copyright notices and license terms. -->
   <field name="party"/>
   <label name="pickup_location"/>
   <field name="pickup_location"/>
-  <notebook colspan="4">
-    <page string="Order Lines" col="1" id="line"> 
-      <field name=""/>     
-    </page>   
-  </notebook>
+  <label name="date"/>
+  <field name="date"/>
+  <field name="lines" colspan="4"
+    view_ids="sale_order.order_line_view_tree,sale_order.order_line_view_form"/>
 </form>

view/order_tree.xml

@@ -2,6 +2,7 @@
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
 <tree keyword_open="1">
-    <field name="party" expand="1"/>
-    <field name="pickup_location" expand="1"/>
+    <field name="party"/>
+    <field name="pickup_location"/>
+    <field name="date"/>
 </tree>