Manage dynamic areas by areas

9 files changed, 285 insertions, 49 deletions

diff --git a/chimere/default_settings.py b/chimere/default_settings.py
index 95db972..049520f 100644
--- a/chimere/default_settings.py
+++ b/chimere/default_settings.py
@@ -20,8 +20,6 @@ CHIMERE_EPSG_PROJECTION = 900913
 # projection displayed to the end user by openlayers
 # chimere use the same projection to save its data in the database
 CHIMERE_EPSG_DISPLAY_PROJECTION = 4326
-# dynamic load of categories on the main map
-CHIMERE_DYNAMIC_CATEGORIES = False
 # display of shortcuts for areas
 CHIMERE_DISPLAY_AREAS = True
 # number of day before an event to display
diff --git a/chimere/migrations/0025_auto__add_field_area_dynamic_categories.py b/chimere/migrations/0025_auto__add_field_area_dynamic_categories.py
new file mode 100644
index 0000000..ac8b62e
--- /dev/null
+++ b/chimere/migrations/0025_auto__add_field_area_dynamic_categories.py
@@ -0,0 +1,214 @@
+# -*- coding: utf-8 -*-
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding field 'Area.dynamic_categories'
+        db.add_column('chimere_area', 'dynamic_categories',
+                      self.gf('django.db.models.fields.NullBooleanField')(null=True, blank=True),
+                      keep_default=False)
+
+
+    def backwards(self, orm):
+        # Deleting field 'Area.dynamic_categories'
+        db.delete_column('chimere_area', 'dynamic_categories')
+
+
+    models = {
+        'chimere.area': {
+            'Meta': {'ordering': "('order', 'name')", 'object_name': 'Area'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'default': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'default_subcategories': ('chimere.widgets.SelectMultipleField', [], {'to': "orm['chimere.SubCategory']", 'symmetrical': 'False', 'blank': 'True'}),
+            'dynamic_categories': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'external_css': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'layers': ('chimere.widgets.SelectMultipleField', [], {'symmetrical': 'False', 'related_name': "'areas'", 'blank': 'True', 'through': "orm['chimere.AreaLayers']", 'to': "orm['chimere.Layer']"}),
+            'lower_right_corner': ('django.contrib.gis.db.models.fields.PointField', [], {'default': "'POINT(0 0)'"}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {}),
+            'restrict_to_extent': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'subcategories': ('chimere.widgets.SelectMultipleField', [], {'symmetrical': 'False', 'related_name': "'areas'", 'blank': 'True', 'db_table': "'chimere_subcategory_areas'", 'to': "orm['chimere.SubCategory']"}),
+            'upper_left_corner': ('django.contrib.gis.db.models.fields.PointField', [], {'default': "'POINT(0 0)'"}),
+            'urn': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '50', 'blank': 'True'}),
+            'welcome_message': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'chimere.arealayers': {
+            'Meta': {'ordering': "('order',)", 'object_name': 'AreaLayers'},
+            'area': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.Area']"}),
+            'default': ('django.db.models.fields.NullBooleanField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'layer': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.Layer']"}),
+            'order': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'chimere.category': {
+            'Meta': {'ordering': "['order']", 'object_name': 'Category'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'chimere.color': {
+            'Meta': {'ordering': "['order']", 'object_name': 'Color'},
+            'code': ('django.db.models.fields.CharField', [], {'max_length': '6'}),
+            'color_theme': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.ColorTheme']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'order': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'chimere.colortheme': {
+            'Meta': {'object_name': 'ColorTheme'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'})
+        },
+        'chimere.icon': {
+            'Meta': {'object_name': 'Icon'},
+            'height': ('django.db.models.fields.IntegerField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'image': ('django.db.models.fields.files.ImageField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'width': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'chimere.importer': {
+            'Meta': {'object_name': 'Importer'},
+            'categories': ('chimere.widgets.SelectMultipleField', [], {'to': "orm['chimere.SubCategory']", 'symmetrical': 'False'}),
+            'filtr': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'importer_type': ('django.db.models.fields.CharField', [], {'max_length': '4'}),
+            'source': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'srid': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'state': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'zipped': ('django.db.models.fields.BooleanField', [], {'default': 'False'})
+        },
+        'chimere.layer': {
+            'Meta': {'object_name': 'Layer'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'layer_code': ('django.db.models.fields.TextField', [], {'max_length': '300'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'})
+        },
+        'chimere.marker': {
+            'Meta': {'ordering': "('status', 'name')", 'object_name': 'Marker'},
+            'available_date': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'categories': ('chimere.widgets.SelectMultipleField', [], {'to': "orm['chimere.SubCategory']", 'symmetrical': 'False'}),
+            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'end_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'import_key': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'import_source': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'import_version': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'point': ('chimere.widgets.PointField', [], {}),
+            'ref_item': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'submited_marker'", 'null': 'True', 'to': "orm['chimere.Marker']"}),
+            'route': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'associated_marker'", 'null': 'True', 'to': "orm['chimere.Route']"}),
+            'start_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'status': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'submiter_comment': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'submiter_email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
+            'submiter_session_key': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'})
+        },
+        'chimere.multimediafile': {
+            'Meta': {'object_name': 'MultimediaFile'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'marker': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'multimedia_files'", 'to': "orm['chimere.Marker']"}),
+            'miniature': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'multimedia_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.MultimediaType']"}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'url': ('django.db.models.fields.URLField', [], {'max_length': '200'})
+        },
+        'chimere.multimediatype': {
+            'Meta': {'object_name': 'MultimediaType'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'iframe': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'media_type': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'mime_type': ('django.db.models.fields.CharField', [], {'max_length': '50', 'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'})
+        },
+        'chimere.news': {
+            'Meta': {'object_name': 'News'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'content': ('django.db.models.fields.TextField', [], {}),
+            'date': ('django.db.models.fields.DateField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '150'})
+        },
+        'chimere.picturefile': {
+            'Meta': {'object_name': 'PictureFile'},
+            'height': ('django.db.models.fields.IntegerField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'marker': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'pictures'", 'to': "orm['chimere.Marker']"}),
+            'miniature': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'picture': ('django.db.models.fields.files.ImageField', [], {'max_length': '100'}),
+            'width': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'chimere.property': {
+            'Meta': {'object_name': 'Property'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'marker': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.Marker']"}),
+            'propertymodel': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.PropertyModel']"}),
+            'value': ('django.db.models.fields.TextField', [], {})
+        },
+        'chimere.propertymodel': {
+            'Meta': {'ordering': "('order',)", 'object_name': 'PropertyModel'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {}),
+            'type': ('django.db.models.fields.CharField', [], {'max_length': '1'})
+        },
+        'chimere.route': {
+            'Meta': {'ordering': "('status', 'name')", 'object_name': 'Route'},
+            'associated_file': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.RouteFile']", 'null': 'True', 'blank': 'True'}),
+            'categories': ('chimere.widgets.SelectMultipleField', [], {'to': "orm['chimere.SubCategory']", 'symmetrical': 'False'}),
+            'end_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'height': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'import_key': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'import_source': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'import_version': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'picture': ('django.db.models.fields.files.ImageField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'ref_item': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'submited_route'", 'null': 'True', 'to': "orm['chimere.Route']"}),
+            'route': ('chimere.widgets.RouteField', [], {}),
+            'start_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'status': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'submiter_comment': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'submiter_email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
+            'submiter_session_key': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
+            'width': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'chimere.routefile': {
+            'Meta': {'ordering': "('name',)", 'object_name': 'RouteFile'},
+            'file_type': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'raw_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
+            'simplified_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'})
+        },
+        'chimere.subcategory': {
+            'Meta': {'ordering': "['category', 'order']", 'object_name': 'SubCategory'},
+            'available': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'category': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.Category']"}),
+            'color_theme': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.ColorTheme']", 'null': 'True', 'blank': 'True'}),
+            'icon': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['chimere.Icon']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'item_type': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '150'}),
+            'order': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'chimere.tinyurl': {
+            'Meta': {'object_name': 'TinyUrl'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'parameters': ('django.db.models.fields.CharField', [], {'max_length': '500'})
+        }
+    }
+
+    complete_apps = ['chimere']
\ No newline at end of file
diff --git a/chimere/models.py b/chimere/models.py
index c96fa96..8297664 100644
--- a/chimere/models.py
+++ b/chimere/models.py
@@ -817,11 +817,14 @@ class Area(models.Model, SimpleArea):
     layers = SelectMultipleField(Layer, related_name='areas',
                                  through='AreaLayers', blank=True)
     default_subcategories = SelectMultipleField(SubCategory, blank=True,
-                             verbose_name=_(u"Categories checked by default"))
+                             verbose_name=_(u"Themes checked by default"))
+    dynamic_categories = models.NullBooleanField(_(u"Themes dynamicaly displayed"),
+        help_text=_(u"If checked, themes are only displayed in the menu if they"
+                    u" are available on the current extent."))
     subcategories = SelectMultipleField(SubCategory, related_name='areas',
        blank=True, db_table='chimere_subcategory_areas',
-       verbose_name=_(u"Restricted to theses subcategories"),
-       help_text=_(u"If no subcategory is set all subcategories are available"))
+       verbose_name=_(u"Restricted to theses subthemes"),
+       help_text=_(u"If no subtheme is set all subthemes are available"))
     external_css = models.URLField(_(u"Link to an external CSS"), blank=True,
                                    null=True)
     restrict_to_extent = models.BooleanField(_(u"Restrict to the area extent"),
diff --git a/chimere/templates/chimere/blocks/map_params.html b/chimere/templates/chimere/blocks/map_params.html
index f05485d..c8f97eb 100644
--- a/chimere/templates/chimere/blocks/map_params.html
+++ b/chimere/templates/chimere/blocks/map_params.html
@@ -5,7 +5,7 @@
     chimere_init_options["map_layers"] = [{{map_layers|safe|escape}}];
     chimere_init_options['permalink_label'] = '{%trans "Permalink"%}';
     chimere_init_options['permalink_element'] = document.getElementById('permalink');
-    {% if dynamic_categories %}chimere_init_options['dynamic_categories'] = 1;{% endif %}
+    {% if dynamic_categories %}chimere_init_options['dynamic_categories'] = true;{% endif %}
     {% if default_area %}
     chimere_init_options["default_area"] = new Array({{default_area.upper_left_corner.x}}, {{default_area.upper_left_corner.y}}, {{default_area.lower_right_corner.x}}, {{default_area.lower_right_corner.y}});
     {% endif %}
diff --git a/chimere/templatetags/chimere_tags.py b/chimere/templatetags/chimere_tags.py
index bf7d97c..e7f7248 100644
--- a/chimere/templatetags/chimere_tags.py
+++ b/chimere/templatetags/chimere_tags.py
@@ -88,10 +88,18 @@ def head_chimere(context):
     """
     Create context and display head elements (js, css, etc.) for chimere.
     """
+    area_name = context['area_name'] if 'area_name' in context else 'area_name'
+    area = None
+    if area_name:
+        try:
+            area = Area.objects.get(urn=area_name)
+        except ObjectDoesNotExist:
+            pass
     context_data = {
             "STATIC_URL": settings.STATIC_URL,
             "MEDIA_URL": settings.MEDIA_URL,
-            "DYNAMIC_CATEGORIES": settings.CHIMERE_DYNAMIC_CATEGORIES,
+            "DYNAMIC_CATEGORIES": 'true' if area and area.dynamic_categories \
+                                  else 'false',
             "EXTRA_URL": reverse("chimere:index"),
             "EPSG_DISPLAY_PROJECTION": settings.CHIMERE_EPSG_DISPLAY_PROJECTION,
             "EPSG_PROJECTION": settings.CHIMERE_EPSG_PROJECTION,
@@ -106,8 +114,6 @@ def head_chimere(context):
 @register.inclusion_tag('chimere/blocks/map_params.html', takes_context=True)
 def map_params(context):
     context_data =  {}
-    context_data['dynamic_categories'] = 'true' \
-                             if settings.CHIMERE_DYNAMIC_CATEGORIES else 'false'
     context_data['icon_offset_x'] = settings.CHIMERE_ICON_OFFSET_X
     context_data['icon_offset_y'] = settings.CHIMERE_ICON_OFFSET_Y
     context_data['icon_width'] = settings.CHIMERE_ICON_WIDTH
@@ -146,6 +152,8 @@ bounds.extend(new OpenLayers.LonLat(%f, %f));
 bounds.extend(new OpenLayers.LonLat(%f, %f));
 """ % (area.upper_left_corner.x, area.upper_left_corner.y,
        area.lower_right_corner.x, area.lower_right_corner.y)
+    context_data['dynamic_categories'] = 'true' \
+                            if area and area.dynamic_categories else 'false'
     if 'request' not in context:
         return context_data
     request = context['request']
diff --git a/chimere/views.py b/chimere/views.py
index 8b824a0..824d912 100644
--- a/chimere/views.py
+++ b/chimere/views.py
@@ -89,9 +89,12 @@ def get_base_response(area_name=""):
             area_name = area.urn
         except ObjectDoesNotExist:
             pass
+    base_response_dct['area'] = area
     base_response_dct['area_name'] = area_name
     if area and area.external_css:
         base_response_dct['css_area'] = area.external_css
+    base_response_dct['dynamic_categories'] = True \
+            if area and area.dynamic_categories else False
     base_response_dct['JQUERY_JS_URLS'] = settings.JQUERY_JS_URLS
     base_response_dct['JQUERY_CSS_URLS'] = settings.JQUERY_CSS_URLS
     return base_response_dct, None
@@ -122,7 +125,7 @@ def index(request, area_name=None, default_area=None, simple=False):
          'news_visible': news_visible,
          'areas_visible': settings.CHIMERE_DISPLAY_AREAS,
          'map_layer':settings.CHIMERE_DEFAULT_MAP_LAYER,
-         'dynamic_categories':settings.CHIMERE_DYNAMIC_CATEGORIES,
+         'dynamic_categories':response_dct['dynamic_categories'],
          'zoomout':zoomout
         })
     tpl = 'chimere/main_map.html'
@@ -540,13 +543,14 @@ def get_available_categories(request, area_name=None, area=None, status='A',
     '''
     Get categories for a designed area
     '''
-    if settings.CHIMERE_DYNAMIC_CATEGORIES and \
+    context_data, redir = get_base_response(area_name)
+    area = context_data["area"]
+    if area and area.dynamic_categories and \
        not "current_extent" in request.GET:
         return ""
-    context_data, redir = get_base_response(area_name)
     if redir:
         return redir
-    if not settings.CHIMERE_DYNAMIC_CATEGORIES:
+    if not area or not area.dynamic_categories:
         # Categories are not updated dynamicaly when the user move the map
         # so we return ALL the categories
         subcategories = SubCategory.getAvailable(
diff --git a/docs/install.rst b/docs/install.rst
index dfa3514..d00a1bc 100644
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -149,7 +149,6 @@ settings are initialized in settings.py. ::
       for a Debian installation with gpsbabel installed)
     * CHIMERE_DEFAULT_ZOOM: default zoom on map
     * CHIMERE_DEFAULT_CENTER: center of the map
-    * CHIMERE_DYNAMIC_CATEGORIES: dynamic load of categories on the main map
     * CHIMERE_DISPLAY_AREAS: display area's shortcuts
     * TIME_ZONE: local time zone for this installation
     * LANGUAGE_CODE: language code for this installation
diff --git a/example_project/locale/fr/LC_MESSAGES/django.po b/example_project/locale/fr/LC_MESSAGES/django.po
index 929fd4a..4e41334 100644
--- a/example_project/locale/fr/LC_MESSAGES/django.po
+++ b/example_project/locale/fr/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: 0.2\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2012-07-24 17:45+0200\n"
+"POT-Creation-Date: 2012-07-25 21:54+0200\n"
 "PO-Revision-Date: 2010-03-20 20:00+0100\n"
 "Last-Translator: Étienne Loks <etienne.loks@peacefrogs.net>\n"
 "MIME-Version: 1.0\n"
@@ -126,20 +126,20 @@ msgstr "Mauvais format de fichier : KML et GPX sont supportés"
 #: extra-locales/chimere/models.py:232 extra-locales/chimere/models.py:437
 #: extra-locales/chimere/models.py:480 extra-locales/chimere/models.py:524
 #: extra-locales/chimere/models.py:555 extra-locales/chimere/models.py:792
-#: extra-locales/chimere/models.py:804 extra-locales/chimere/models.py:884
+#: extra-locales/chimere/models.py:804 extra-locales/chimere/models.py:887
 #: extra-locales/chimere/templates/chimere/edit.html:39
 #: extra-locales/chimere/templates/chimere/edit_route.html:36
 msgid "Name"
 msgstr "Nom"
 
-#: extra-locales/chimere/forms.py:378 extra-locales/chimere/models.py:836
+#: extra-locales/chimere/forms.py:378 extra-locales/chimere/models.py:839
 msgid "Area"
 msgstr "Zone"
 
 #: extra-locales/chimere/models.py:49 extra-locales/chimere/models.py:123
 #: extra-locales/chimere/models.py:150 extra-locales/chimere/models.py:241
 #: extra-locales/chimere/models.py:441 extra-locales/chimere/models.py:810
-#: extra-locales/chimere/models.py:886
+#: extra-locales/chimere/models.py:889
 msgid "Available"
 msgstr "Disponible"
 
@@ -172,7 +172,7 @@ msgstr "Code"
 #: extra-locales/chimere/models.py:111 extra-locales/chimere/models.py:124
 #: extra-locales/chimere/models.py:154 extra-locales/chimere/models.py:482
 #: extra-locales/chimere/models.py:531 extra-locales/chimere/models.py:809
-#: extra-locales/chimere/models.py:873 extra-locales/chimere/models.py:885
+#: extra-locales/chimere/models.py:876 extra-locales/chimere/models.py:888
 msgid "Order"
 msgstr "Ordre"
 
@@ -349,7 +349,7 @@ msgstr "Date de mise en disponibilité"
 msgid "Description"
 msgstr "Description"
 
-#: extra-locales/chimere/models.py:337 extra-locales/chimere/models.py:908
+#: extra-locales/chimere/models.py:337 extra-locales/chimere/models.py:911
 msgid "Point of interest"
 msgstr "Point d'intérêt"
 
@@ -467,60 +467,72 @@ msgid "Only one area is set by default"
 msgstr "Seule une zone est définie par défaut"
 
 #: extra-locales/chimere/models.py:820
-msgid "Categories checked by default"
-msgstr "Catégories cochées par défaut"
+msgid "Themes checked by default"
+msgstr "Thèmes cochés par défaut"
+
+#: extra-locales/chimere/models.py:821
+msgid "Themes dynamicaly displayed"
+msgstr "Thèmes affichés dynamiquement"
+
+#: extra-locales/chimere/models.py:822
+msgid ""
+"If checked, themes are only displayed in the menu if they are available on "
+"the current extent."
+msgstr ""
+"Si coché, les thèmes sont disponibles sur le menu seulement si ils "
+"apparaissent sur la zone affichée."
 
-#: extra-locales/chimere/models.py:823
-msgid "Restricted to theses subcategories"
-msgstr "Restreindre à ces sous-catégories"
+#: extra-locales/chimere/models.py:826
+msgid "Restricted to theses subthemes"
+msgstr "Restreindre à ces sous-thèmes"
 
-#: extra-locales/chimere/models.py:824
-msgid "If no subcategory is set all subcategories are available"
+#: extra-locales/chimere/models.py:827
+msgid "If no subtheme is set all subthemes are available"
 msgstr ""
-"Si aucune sous-catégorie n'est définie toutes les sous-catégories sont "
+"Si aucun sous-thème n'est défini tous les sous-thèmes sont "
 "disponibles"
 
-#: extra-locales/chimere/models.py:825
+#: extra-locales/chimere/models.py:828
 msgid "Link to an external CSS"
 msgstr "Lien vers une feuille de style externe"
 
-#: extra-locales/chimere/models.py:827
+#: extra-locales/chimere/models.py:830
 msgid "Restrict to the area extent"
 msgstr "Restreindre à l'étendue de la zone"
 
-#: extra-locales/chimere/models.py:874
+#: extra-locales/chimere/models.py:877
 msgid "Default layer"
 msgstr "Couche par défaut"
 
-#: extra-locales/chimere/models.py:878 extra-locales/chimere/models.py:879
+#: extra-locales/chimere/models.py:881 extra-locales/chimere/models.py:882
 msgid "Layers"
 msgstr "Couches"
 
-#: extra-locales/chimere/models.py:887
+#: extra-locales/chimere/models.py:890
 msgid "Text"
 msgstr "Texte"
 
-#: extra-locales/chimere/models.py:888
+#: extra-locales/chimere/models.py:891
 msgid "Long text"
 msgstr "Texte long"
 
-#: extra-locales/chimere/models.py:889
+#: extra-locales/chimere/models.py:892
 msgid "Password"
 msgstr "Mot de passe"
 
-#: extra-locales/chimere/models.py:893
+#: extra-locales/chimere/models.py:896
 msgid "Type"
 msgstr "Type"
 
-#: extra-locales/chimere/models.py:898 extra-locales/chimere/models.py:910
+#: extra-locales/chimere/models.py:901 extra-locales/chimere/models.py:913
 msgid "Property model"
 msgstr "Modèle de propriété"
 
-#: extra-locales/chimere/models.py:911
+#: extra-locales/chimere/models.py:914
 msgid "Value"
 msgstr "Valeur"
 
-#: extra-locales/chimere/models.py:915
+#: extra-locales/chimere/models.py:918
 msgid "Property"
 msgstr "Propriété"
 
@@ -620,19 +632,19 @@ msgstr ""
 msgid "Bad param"
 msgstr "Mauvais paramètre"
 
-#: extra-locales/chimere/views.py:220
+#: extra-locales/chimere/views.py:223
 msgid "There are missing field(s) and/or errors in the submited form."
 msgstr "Il y a des champs manquants ou des erreurs dans ce formulaire."
 
-#: extra-locales/chimere/views.py:299
+#: extra-locales/chimere/views.py:302
 msgid "Bad file. Please check it with an external software."
 msgstr "Fichier incohérent. Merci de le vérifier avec un logiciel externe."
 
-#: extra-locales/chimere/views.py:421
+#: extra-locales/chimere/views.py:424
 msgid "Comments/request on the map"
 msgstr "Commentaires/requètes sur la carte"
 
-#: extra-locales/chimere/views.py:424
+#: extra-locales/chimere/views.py:427
 msgid ""
 "Thank you for your contribution. It will be taken into account. If you have "
 "left your email you may be contacted soon for more details."
@@ -641,15 +653,15 @@ msgstr ""
 "laissé votre courriel vous serez peut-être contacté bientôt pour plus de "
 "détails."
 
-#: extra-locales/chimere/views.py:428
+#: extra-locales/chimere/views.py:431
 msgid "Temporary error. Renew your message later."
 msgstr "Erreur temporaire. Réenvoyez votre message plus tard."
 
-#: extra-locales/chimere/views.py:558
+#: extra-locales/chimere/views.py:562
 msgid "No category available in this area."
 msgstr "Pas de catégorie disponible sur cette zone."
 
-#: extra-locales/chimere/views.py:665
+#: extra-locales/chimere/views.py:669
 msgid "Incorrect choice in the list"
 msgstr "Choix incorrect dans la liste"
 
@@ -921,7 +933,7 @@ msgstr "Continuer l'édition de cet élément"
 msgid "Return to the map"
 msgstr "Retourner à la carte"
 
-#: extra-locales/chimere/templates/chimere/blocks/welcome.html:31
+#: extra-locales/chimere/templates/chimere/blocks/welcome.html:47
 msgid "See it on the map"
 msgstr "Voir sur la carte"
 
diff --git a/example_project/settings.py b/example_project/settings.py
index 1eed91b..e0975e1 100644
--- a/example_project/settings.py
+++ b/example_project/settings.py
@@ -41,8 +41,6 @@ CHIMERE_EPSG_PROJECTION = 900913
 # projection displayed to the end user by openlayers
 # chimere use the same projection to save its data in the database
 CHIMERE_EPSG_DISPLAY_PROJECTION = 4326
-# dynamic load of categories on the main map
-CHIMERE_DYNAMIC_CATEGORIES = False
 # display of shortcuts for areas
 CHIMERE_DISPLAY_AREAS = True
 # number of day before an event to display