Revert "remove Extra MetaData (JSON) from modify view, fixes #700"

This reverts commit dd35326.

Added 2 mods to revert:
  * items/__init__.py added try/TypeError block near line 829
  * templates/modify.html added test for item names ending in
    Group/Dict near line 71

src/moin/forms.py

@@ -153,6 +153,13 @@ def validate(self, element, state):
             # incoming request is from +usersettings#personal;
             # apps/frontend/views.py will validate changes to user names
             return True
+        # Make sure that the other meta is valid before validating the name.
+        # TODO: prove the try below is always redundant and remove it.
+        try:
+            if not element.parent.parent['extra_meta_text'].valid:
+                return False
+        except AttributeError:
+            pass
         try:
             validate_name(state['meta'], state[ITEMID])
         except NameNotValidError as e:

src/moin/items/__init__.py

@@ -48,7 +48,7 @@
 from moin.utils.registry import RegistryBase
 from moin.utils.diff_html import diff as html_diff
 from moin.utils import diff3
-from moin.forms import RequiredText, OptionalText, Tags, Names, validate_name, NameNotValidError
+from moin.forms import RequiredText, OptionalText, JSON, Tags, Names, validate_name, NameNotValidError
 from moin.constants.keys import (
     NAME, NAMES, NAMENGRAM, NAME_OLD, NAME_EXACT, WIKINAME, MTIME, ITEMTYPE,
     CONTENTTYPE, SIZE, ACTION, ADDRESS, HOSTNAME, USERID, COMMENT,
@@ -790,6 +790,7 @@ class _ModifyForm(BaseModifyForm):
         ModifyForm.
         """
         meta_form = BaseMetaForm
+        extra_meta_text = JSON.using(label=L_("Extra MetaData (JSON)")).with_properties(rows=ROWS_META, cols=COLS)
         meta_template = 'modify_meta.html'
 
         def _load(self, item):
@@ -808,6 +809,7 @@ def _load(self, item):
             self['meta_form'].set(meta, policy='duck')
             for k in list(self['meta_form'].field_schema_mapping.keys()) + IMMUTABLE_KEYS:
                 meta.pop(k, None)
+            self['extra_meta_text'].set(item.meta_dict_to_text(meta))
             self['content_form']._load(item.content)
 
         def _dump(self, item):
@@ -825,6 +827,11 @@ def _dump(self, item):
             # e.g. we get PARENTID in here
             meta = item.meta_filter(item.prepare_meta_for_modify(item.meta))
             meta.update(self['meta_form'].value)
+            try:
+                meta.update(item.meta_text_to_dict(self['extra_meta_text'].value))
+            except TypeError:
+                # only items with names ending in Group or Dict have extra_meta.test
+                pass
             data, contenttype_guessed = self['content_form']._dump(item.content)
             comment = self['comment'].value
             return meta, data, contenttype_guessed, comment

src/moin/templates/modify.html

@@ -68,6 +68,11 @@ <h1>{{ title }}</h1>
             {{ data_editor(form['content_form'], item_name) }}
             {% set may_admin = user.may.admin(fqname) %}
             {{ meta_editor(form['meta_form'], may_admin) }}
+            {% if fqname.fullname.endswith(('Group', 'Dict')) %}
+                <dl>
+                    {{ forms.render(form['extra_meta_text']) }}
+                </dl>
+            {% endif %}
         {{ gen.form.close() }}
     </div>
 

src/moin/themes/basic/templates/modify.html

@@ -54,6 +54,13 @@ <h1>{{ title }}</h1>
                         <div class="col-md-6">
                             {{ basic_meta_editor(form['meta_form']) }}
                         </div>
+                        {% set field = form['extra_meta_text'] %}
+                        <div class="col-md-6">
+                            <div class="form-group">
+                                {{ gen.label(field) }}
+                                {{ gen.textarea(field, rows=field.properties.rows|string, cols=field.properties.cols|string, class='form-control') }}
+                            </div>
+                        </div>
                     </div>
                 </div>