Add relative path widget for faceted

Waiting for eea/eea.facetednavigation#183

Author: laulaz

src/plonemeeting/portal/core/configure.zcml

@@ -18,6 +18,7 @@
   <include file="permissions.zcml" />
   <include package=".browser" />
   <include package=".content" />
+  <include package=".faceted" />
 
 
   <genericsetup:registerProfile

src/plonemeeting/portal/core/faceted/__init__.py

@@ -0,0 +1,10 @@
+<configure
+  xmlns:faceted="http://namespaces.zope.org/faceted"
+  i18n_domain="plonemeeting.portal.core">
+
+  <faceted:widget
+    factory=".widget.RelativePathWidget"
+    schema="eea.facetednavigation.widgets.interfaces.ISchema"
+  />
+
+</configure>

src/plonemeeting/portal/core/faceted/configure.zcml

@@ -0,0 +1,17 @@
+<div class="faceted-widget" style="display: none"
+     i18n:domain="eea" tal:define="
+  error_view nocall:context/@@faceted.widget.error;
+  wid python:view.data.getId();
+  hidden python:view.hidden;
+  css string:faceted-widget ${view/css_class};
+  css python:hidden and css + ' faceted-widget-hidden' or css;
+  title python:view.translate(view.data.get('title', ''));
+  "
+  tal:attributes="id string:${wid}_widget; class css;">
+
+<fieldset class="widget-fieldset">
+  <legend tal:content="title" i18n:translate="">HTML Widget</legend>
+  <tal:facet on-error="structure python:error_view(error=error, cid=wid)">
+  </tal:facet>
+</fieldset>
+</div>

src/plonemeeting/portal/core/faceted/widget.pt

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+
+from eea.facetednavigation.widgets import ViewPageTemplateFile
+from eea.facetednavigation.widgets.interfaces import DefaultSchemata as DS
+from eea.facetednavigation.widgets.interfaces import ISchema
+from eea.facetednavigation.widgets.widget import Widget
+from z3c.form import field
+
+from plonemeeting.portal.core import _
+
+
+class DefaultSchemata(DS):
+    """ Schemata default
+    """
+
+    fields = field.Fields(ISchema).select(u"title")
+
+
+class RelativePathWidget(Widget):
+    """ Filter on objects from current folder
+    """
+
+    widget_type = "relative_path"
+    widget_label = _("Relative path widget")
+    groups = (DefaultSchemata,)
+
+    index = ViewPageTemplateFile("widget.pt")
+
+    def query(self, form):
+        """ Returns only objects from current folder
+        """
+        current_path = "/".join(self.context.getPhysicalPath())
+        query = {"path": {"query": current_path}}
+        return query