add disconvery functions for indexers

ocitysmap/__init__.py

@@ -95,6 +95,7 @@ from . import i18n
 from .indexlib.commons import IndexDoesNotFitError, IndexEmptyError
 from .layoutlib import renderers
 from .layoutlib import commons
+from .indexlib import indexers
 from .stylelib import Stylesheet
 
 LOG = logging.getLogger('ocitysmap')
@@ -631,6 +632,24 @@ class OCitySMap:
             renderer_names.append(r.name)
         return renderer_names;
 
+    def get_all_indexers(self):
+        """Returns the list of all available layout indexers (list of
+        Indexer classes)."""
+        return indexers.get_indexers()
+
+    def get_all_indexer_names(self):
+        """Returns the list of all available layout indexers names"""
+        indexer_names = []
+        for r in indexers.get_indexers():
+            indexer_names.append(r.name)
+        return indexer_names;
+
+    def get_all_indexers_name_desc(self):
+        result = []
+        for indexer in indexers.get_indexers():
+            result.append((indexer.name, indexer.description))
+        return result
+
     def get_all_paper_sizes(self, section = None):
         if section is None:
             return self.PAPER_SIZES

ocitysmap/indexlib/HealthIndex.py

@@ -49,6 +49,9 @@ class HealthIndexItem(GeneralIndexItem):
     """
 
 class HealthIndex(GeneralIndex):
+    name = "Health"
+    description = "Health related facilities"
+
     def __init__(self, db, bbox, polygon_wkt, i18n, page_number=None):
         GeneralIndex.__init__(self, db, bbox, polygon_wkt, i18n, page_number)
         

ocitysmap/indexlib/NotesIndex.py

@@ -41,6 +41,9 @@ PAGE_NUMBER_MARGIN_PT  = UTILS.convert_mm_to_pt(10)
 MAX_INDEX_CATEGORY_ITEMS = 300
 
 class NotesIndex(GeneralIndex):
+    name = "Notes"
+    description = "OSM Notes index"
+
     def __init__(self, db, bounding_box, polygon_wkt, i18n, page_number=None):
         GeneralIndex.__init__(self, db, bounding_box, polygon_wkt, i18n, page_number)
         

ocitysmap/indexlib/StreetIndex.py

@@ -65,9 +65,12 @@ class StreetIndexItem(GeneralIndexItem):
     """
 
 class StreetIndex(GeneralIndex):
+    name = "Street"
+    description = "Streets and selected amenities"
+
     def __init__(self, db, bbox, polygon_wkt, i18n, page_number=None):
         GeneralIndex.__init__(self, db, bbox, polygon_wkt, i18n, page_number)
-        
+
         # Build the contents of the index
         self._categories = \
             (self._list_streets(db)