Add a Postponed column to the Scheduled Transactions list.

As requested by Bug 799664.

The column is hidden by default since it's not useful to people who don't
postpone scheduled transaction instances.

gnucash/gnome-utils/gnc-sx-list-tree-model-adapter.c

@@ -443,7 +443,7 @@ _enabled_comparator (GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpoint
 static void
 gnc_sx_list_tree_model_adapter_init (GncSxListTreeModelAdapter *adapter)
 {
-    adapter->orig = gtk_tree_store_new (5, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
+  adapter->orig = gtk_tree_store_new (6, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_STRING);
     adapter->real = GTK_TREE_MODEL_SORT(gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(adapter->orig)));
 
     // setup sorting
@@ -494,13 +494,15 @@ gsltma_populate_tree_store (GncSxListTreeModelAdapter *model)
     {
         GncSxInstances *instances = (GncSxInstances*)list->data;
         gchar *frequency_str;
-        char last_occur_date_buf[MAX_DATE_LENGTH+1];
+        char last_occur_date_buf[MAX_DATE_LENGTH + 1];
+        unsigned postponed_count;
         char next_occur_date_buf[MAX_DATE_LENGTH+1];
 
         frequency_str = recurrenceListToCompactString (gnc_sx_get_schedule (instances->sx));
 
         _format_conditional_date (xaccSchedXactionGetLastOccurDate (instances->sx),
                                   last_occur_date_buf, MAX_DATE_LENGTH);
+        postponed_count = g_list_length(gnc_sx_get_defer_instances (instances->sx));
         _format_conditional_date (&instances->next_instance_date,
                                   next_occur_date_buf, MAX_DATE_LENGTH);
 
@@ -509,6 +511,7 @@ gsltma_populate_tree_store (GncSxListTreeModelAdapter *model)
                             SXLTMA_COL_NAME, xaccSchedXactionGetName (instances->sx),
                             SXLTMA_COL_ENABLED, xaccSchedXactionGetEnabled (instances->sx),
                             SXLTMA_COL_FREQUENCY, frequency_str,
+                            SXLTMA_COL_NUM_POSTPONED, postponed_count,
                             SXLTMA_COL_LAST_OCCUR, last_occur_date_buf,
                             SXLTMA_COL_NEXT_OCCUR, next_occur_date_buf,
                             -1);

gnucash/gnome-utils/gnc-sx-list-tree-model-adapter.h

@@ -53,6 +53,7 @@ enum
     SXLTMA_COL_NAME = 0,
     SXLTMA_COL_ENABLED,
     SXLTMA_COL_FREQUENCY,
+    SXLTMA_COL_NUM_POSTPONED,
     SXLTMA_COL_LAST_OCCUR,
     SXLTMA_COL_NEXT_OCCUR
 };

gnucash/gnome-utils/gnc-tree-view-sx-list.c

@@ -131,6 +131,13 @@ gnc_tree_view_sx_list_new (GncSxInstanceModel *sx_instances)
                                          SXLTMA_COL_FREQUENCY, -1, NULL);
     g_object_set_data (G_OBJECT(col), DEFAULT_VISIBLE, GINT_TO_POINTER(1));
 
+    col = gnc_tree_view_add_numeric_column (GNC_TREE_VIEW(view), _("Postponed"),
+                                           "postponed", "    Postponed",
+                                           SXLTMA_COL_NUM_POSTPONED,
+                                           GNC_TREE_VIEW_COLUMN_COLOR_NONE,
+                                           GNC_TREE_VIEW_COLUMN_VISIBLE_ALWAYS, NULL);
+    g_object_set_data (G_OBJECT(col), DEFAULT_VISIBLE, GINT_TO_POINTER(0));
+
     col = gnc_tree_view_add_text_column (GNC_TREE_VIEW(view), _("Last Occur"), "last-occur", NULL,
                                          "2007-01-02",
                                          SXLTMA_COL_LAST_OCCUR, -1, NULL);