frontends, jp, templates: added XHTMLBox widget:

for jp, the XHTML is rendered for now using markdown.

sat_frontends/tools/xmlui.py

@@ -116,12 +116,22 @@ class PasswordWidget(Widget):
 
 class TextBoxWidget(Widget):
     """Input widget with require a long, possibly multilines string
+
     often called TextArea in toolkits
     """
 
     pass
 
 
+class XHTMLBoxWidget(Widget):
+    """Input widget specialised in XHTML editing,
+
+    a WYSIWYG or specialised editor is expected
+    """
+
+    pass
+
+
 class BoolWidget(Widget):
     """Input widget with require a boolean value
     often called CheckBox in toolkits
@@ -582,6 +592,11 @@ class XMLUIPanel(XMLUIBase):
                         _xmlui_parent, value, self._isAttrSet("read_only", node)
                     )
                     self.ctrl_list[name] = {"type": type_, "control": ctrl}
+                elif type_ == "xhtmlbox":
+                    ctrl = self.widget_factory.createXHTMLBoxWidget(
+                        _xmlui_parent, value, self._isAttrSet("read_only", node)
+                    )
+                    self.ctrl_list[name] = {"type": type_, "control": ctrl}
                 elif type_ == "bool":
                     ctrl = self.widget_factory.createBoolWidget(
                         _xmlui_parent,