Support source column widget condition

- Add default HTML anchor widget for source columns that
  return and absolute URL.
- Fix CSS pointer behavior on list item panel headers.

Signed-off-by: Roberto Rosario <roberto.rosario@mayan-edms.com>

mayan/apps/appearance/templates/appearance/generic_list_items_subtemplate.html

@@ -21,9 +21,9 @@
                                 <div class="panel-heading">
                                     <div class="form-group">
                                         <div class="checkbox">
-                                            <label for="id_indexes_0">
+                                            <label for="id_indexes_0" style="cursor: auto;">
                                                 {% if links_multi_menus_results %}
-                                                    <input class="form-multi-object-action-checkbox check-all-slave checkbox" name="pk_{{ object.pk }}" type="checkbox" />
+                                                    <input class="form-multi-object-action-checkbox check-all-slave checkbox" name="pk_{{ object.pk }}" style="cursor: pointer;" type="checkbox" />
                                                 {% endif %}
 
                                                 <span style="color: white; word-break: break-all; overflow-wrap: break-word;">
@@ -36,13 +36,8 @@
                                                     {% else %}
                                                         {% navigation_get_source_columns source=object only_identifier=True as source_column %}
                                                         {% navigation_source_column_resolve column=source_column as column_value %}
-
-                                                        {% if source_column.is_attribute_absolute_url or source_column.is_object_absolute_url %}
-                                                            <a href="{% navigation_source_column_get_absolute_url source_column=source_column obj=object %}">{{ column_value }}</a>
-                                                        {% else %}
                                                         {{ column_value }}
                                                     {% endif %}
-                                                    {% endif %}
                                                 </span>
                                             </label>
                                         </div>

mayan/apps/appearance/templates/appearance/generic_list_subtemplate.html

@@ -95,11 +95,7 @@
                                         {% navigation_source_column_resolve column=source_column as column_value %}
                                         {% if column_value %}
                                             <td>
-                                                {% if source_column.is_attribute_absolute_url or source_column.is_object_absolute_url %}
-                                                    <a href="{% navigation_source_column_get_absolute_url source_column=source_column obj=object %}">{{ column_value }}</a>
-                                                {% else %}
                                                 {{ column_value }}
-                                                {% endif %}
                                             </td>
                                         {% endif %}
                                     {% endif %}

mayan/apps/navigation/classes.py

@@ -29,6 +29,7 @@ from mayan.apps.common.settings import setting_home_view
 from mayan.apps.common.utils import resolve_attribute
 from mayan.apps.permissions import Permission
 
+from .html_widgets import SourceColumnLinkWidget
 from .utils import get_current_view_name
 
 logger = logging.getLogger(__name__)
@@ -694,7 +695,7 @@ class SourceColumn(object):
         help_text=None, include_label=False, is_attribute_absolute_url=False,
         is_object_absolute_url=False, is_identifier=False, is_sortable=False,
         kwargs=None, label=None, order=None, sort_field=None, views=None,
-        widget=None
+        widget=None, widget_condition=None
     ):
         self._label = label
         self._help_text = help_text
@@ -713,6 +714,11 @@ class SourceColumn(object):
         self.sort_field = sort_field
         self.views = views or []
         self.widget = widget
+        self.widget_condition = widget_condition
+
+        if self.is_attribute_absolute_url or self.is_object_absolute_url:
+            if not self.widget:
+                self.widget = SourceColumnLinkWidget
 
         self.__class__._registry.setdefault(source, [])
         self.__class__._registry[source].append(self)
@@ -773,6 +779,12 @@ class SourceColumn(object):
     def add_exclude(self, source):
         self.exclude = self.exclude + (source,)
 
+    def check_widget_condition(self, context):
+        if self.widget_condition:
+            return self.widget_condition(context=context)
+        else:
+            return True
+
     def get_absolute_url(self, obj):
         if self.is_object_absolute_url:
             return obj.get_absolute_url()
@@ -826,8 +838,11 @@ class SourceColumn(object):
         else:
             result = context['object']
 
+        self.absolute_url = self.get_absolute_url(obj=context['object'])
         if self.widget:
+            if self.check_widget_condition(context=context):
                 widget_instance = self.widget()
+                widget_instance.column = self
                 return widget_instance.render(name=self.attribute, value=result)
 
         if not result:

mayan/apps/navigation/html_widgets.py

@@ -0,0 +1,15 @@
+from __future__ import unicode_literals
+
+from django.template.loader import render_to_string
+
+
+class SourceColumnLinkWidget(object):
+    template_name = 'navigation/source_column_link_widget.html'
+
+    def render(self, name=None, value=None):
+        return render_to_string(
+            template_name=self.template_name, context={
+                'column': self.column, 'value': value
+            }
+        )
+

mayan/apps/navigation/templates/navigation/source_column_link_widget.html

@@ -0,0 +1 @@
+<a href="{{ column.absolute_url }}">{{ value }}</a>

mayan/apps/navigation/templatetags/navigation_tags.py

@@ -108,11 +108,6 @@ def navigation_resolve_menus(context, names, source=None, sort_results=None):
     return result
 
 
-@register.simple_tag()
-def navigation_source_column_get_absolute_url(source_column, obj):
-    return source_column.get_absolute_url(obj=obj)
-
-
 @register.simple_tag(takes_context=True)
 def resolve_link(context, link):
     # This can be used to resolve links or menus too