Add creatable attribute on tree and form views

issue10929
review370201002

CHANGELOG

@@ -1,3 +1,4 @@
+* Add creatable attribute on tree and form views
 * Fill local cache of Function field instances with values
 * Cache Function field getter without context in readonly transactions
 * Use expire delay instead of UTC datetime in reset password email

doc/topics/views/index.rst

@@ -204,6 +204,9 @@ Each form view must start with this tag.
         The method must be registered in :attr:`trytond.model.Model.__rpc__`.
       ..
 
+    * ``creatable``: A boolean to specify if the form can be used to create new
+      record. The default value is ``true``.
+
     * ``col``: see in common-attributes-col_.
 
     * ``cursor``: The name of the field that must have the cursor by default.
@@ -586,6 +589,9 @@ Each tree view must start with this tag.
 
     * ``editable``: A boolean to specify if the list is editable.
 
+    * ``creatable``: A boolean to specify if the editable list can be used to
+      create new record. The default value is ``true``.
+
     * ``sequence``: The name of the field that is used for sorting.  This field
       must be an integer and it will be updated to match the new sort order
       when the user uses ``Drag and Drop`` on list rows.

trytond/ir/ui/form.rnc

@@ -16,6 +16,8 @@ form =
      | vpaned)*
   }
 attlist.form &= attribute on_write { text }?
+attlist.form &=
+  [ a:defaultValue = "1" ] attribute creatable { "0" | "1" }?
 attlist.form &= [ a:defaultValue = "4" ] attribute col { text }?
 attlist.form &= attribute cursor { text }?
 

trytond/ir/ui/form.rng

@@ -30,6 +30,17 @@
       </attribute>
     </optional>
   </define>
+  <define name="attlist.form" combine="interleave">
+    <optional>
+      <attribute a:defaultValue="1">
+        <name ns="">creatable</name>
+        <choice>
+          <value>0</value>
+          <value>1</value>
+        </choice>
+      </attribute>
+    </optional>
+  </define>
   <define name="attlist.form" combine="interleave">
     <optional>
       <attribute a:defaultValue="4">

trytond/ir/ui/tree.rnc

@@ -6,6 +6,8 @@ tree = element tree { attlist.tree,
   }
 attlist.tree &= attribute on_write { text }?
 attlist.tree &= attribute editable { "0" | "1" }?
+attlist.tree &=
+  [ a:defaultValue = "1" ] attribute creatable { "0" | "1" }?
 attlist.tree &= attribute sequence { text }?
 attlist.tree &=
   [ a:defaultValue = "0" ] attribute keyword_open { "0" | "1" }?

trytond/ir/ui/tree.rng

@@ -33,6 +33,17 @@
       </attribute>
     </optional>
   </define>
+  <define name="attlist.tree" combine="interleave">
+    <optional>
+      <attribute a:defaultValue="1">
+        <name ns="">creatable</name>
+        <choice>
+          <value>0</value>
+          <value>1</value>
+        </choice>
+      </attribute>
+    </optional>
+  </define>
   <define name="attlist.tree" combine="interleave">
     <optional>
       <attribute>