From 593c47681fba0b0d5ecc560cc4279c6387fb95e8 Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu@sugarlabs.org>
Date: Mon, 29 Jun 2009 16:29:00 +0000
Subject: Implement sorting

---
diff --git a/src/jarabe/desktop/favoritesview.py b/src/jarabe/desktop/favoritesview.py
index 411b579..75aad39 100644
--- a/src/jarabe/desktop/favoritesview.py
+++ b/src/jarabe/desktop/favoritesview.py
@@ -377,7 +377,7 @@ class DatastoreListener(object):
     def get_last_activity_async(self, bundle_id, properties, callback_cb):
         query = {'activity': bundle_id,
                  'limit': 5,
-                 'order_by': ['-mtime']}
+                 'order_by': ['-timestamp']}
 
         reply_handler = lambda entries, total_count: self.__reply_handler_cb(
                 entries, total_count, callback_cb)
diff --git a/src/jarabe/journal/listview.py b/src/jarabe/journal/listview.py
index 0d4547e..9766c87 100644
--- a/src/jarabe/journal/listview.py
+++ b/src/jarabe/journal/listview.py
@@ -93,6 +93,7 @@ class BaseListView(gtk.Bin):
 
         self.cell_title = None
         self.cell_icon = None
+        self._title_column = None
         self._add_columns()
 
         self.tree_view.enable_model_drag_source(gtk.gdk.BUTTON1_MASK,
@@ -145,12 +146,15 @@ class BaseListView(gtk.Bin):
         self.cell_title.props.ellipsize = pango.ELLIPSIZE_MIDDLE
         self.cell_title.props.ellipsize_set = True
 
-        column = gtk.TreeViewColumn(_('Title'))
-        column.props.sizing = gtk.TREE_VIEW_COLUMN_FIXED
-        column.props.expand = True
-        column.pack_start(self.cell_title)
-        column.add_attribute(self.cell_title, 'markup', ListModel.COLUMN_TITLE)
-        self.tree_view.append_column(column)
+        self._title_column = gtk.TreeViewColumn(_('Title'))
+        self._title_column.props.sizing = gtk.TREE_VIEW_COLUMN_FIXED
+        self._title_column.props.expand = True
+        self._title_column.props.clickable = True
+        self._title_column.pack_start(self.cell_title)
+        self._title_column.add_attribute(self.cell_title, 'markup',
+                                         ListModel.COLUMN_TITLE)
+        self._title_column.connect('clicked', self.__header_clicked_cb)
+        self.tree_view.append_column(self._title_column)
 
         buddies_column = gtk.TreeViewColumn('')
         buddies_column.props.sizing = gtk.TREE_VIEW_COLUMN_FIXED
@@ -178,10 +182,52 @@ class BaseListView(gtk.Bin):
         self.date_column.props.fixed_width = date_width
         self.date_column.set_alignment(1)
         self.date_column.props.resizable = True
+        self.date_column.props.clickable = True
+        self.date_column.props.sort_indicator = True
+        self.date_column.props.sort_order = gtk.SORT_ASCENDING
         self.date_column.pack_start(cell_text)
         self.date_column.add_attribute(cell_text, 'text', ListModel.COLUMN_DATE)
+        self.date_column.connect('clicked', self.__header_clicked_cb)
         self.tree_view.append_column(self.date_column)
 
+    def __header_clicked_cb(self, column_clicked):
+        if column_clicked == self._title_column:
+            if self._title_column.props.sort_indicator:
+                if self._title_column.props.sort_order == gtk.SORT_DESCENDING:
+                    self._query['order_by'] = ['+title']
+                else:
+                    self._query['order_by'] = ['-title']
+            else:
+                self._query['order_by'] = ['+title']
+        elif column_clicked == self.date_column:
+            if self.date_column.props.sort_indicator:
+                if self.date_column.props.sort_order == gtk.SORT_DESCENDING:
+                    self._query['order_by'] = ['+timestamp']
+                else:
+                    self._query['order_by'] = ['-timestamp']
+            else:
+                self._query['order_by'] = ['+timestamp']
+
+        self.refresh()
+
+        # Need to update the column indicators after the model has been reset
+        if self._query['order_by'] == ['-timestamp']:
+            self.date_column.props.sort_indicator = True
+            self._title_column.props.sort_indicator = False
+            self.date_column.props.sort_order = gtk.SORT_DESCENDING
+        elif self._query['order_by'] == ['+timestamp']:
+            self.date_column.props.sort_indicator = True
+            self._title_column.props.sort_indicator = False
+            self.date_column.props.sort_order = gtk.SORT_ASCENDING
+        elif self._query['order_by'] == ['-title']:
+            self.date_column.props.sort_indicator = False
+            self._title_column.props.sort_indicator = True
+            self._title_column.props.sort_order = gtk.SORT_DESCENDING
+        elif self._query['order_by'] == ['+title']:
+            self.date_column.props.sort_indicator = False
+            self._title_column.props.sort_indicator = True
+            self._title_column.props.sort_order = gtk.SORT_ASCENDING
+
     def _get_width_for_string(self, text):
         # Add some extra margin
         text = text + 'aaaaa'
@@ -231,6 +277,10 @@ class BaseListView(gtk.Bin):
     def update_with_query(self, query_dict):
         logging.debug('ListView.update_with_query')
         self._query = query_dict
+
+        if 'order_by' not in self._query:
+            self._query['order_by'] = ['+timestamp']
+
         self.refresh()
 
     def refresh(self):
--
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