[gnome-calendar/wip/pandusonu/week-view: 24/60] week-view: display events in header

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 188d7742b4f06df12473d03eeec96decac56edab
Author: pandusonu2 <pandu sonu yahoo com>
Date:   Sat Jun 18 00:17:37 2016 +0530

    week-view: display events in header
    
    Displaying events in the week-header based on duration of the event.

 data/ui/week-header.ui       |    2 +
 src/views/gcal-week-header.c |   78 ++++++++++++++++++++++++++++++++++++++++++
 src/views/gcal-week-header.h |    4 ++
 src/views/gcal-week-view.c   |   27 ++++++++++++--
 4 files changed, 107 insertions(+), 4 deletions(-)
---
diff --git a/data/ui/week-header.ui b/data/ui/week-header.ui
index 2d498aa..02ac769 100644
--- a/data/ui/week-header.ui
+++ b/data/ui/week-header.ui
@@ -61,6 +61,8 @@
                   <object class="GtkGrid" id="grid">
                     <property name="visible">True</property>
                     <property name="height-request">100</property>
+                    <property name="column-homogeneous">True</property>
+                    <property name="row-homogeneous">True</property>
                   </object>
                 </child>
               </object>
diff --git a/src/views/gcal-week-header.c b/src/views/gcal-week-header.c
index 93a5d31..bbc19cb 100644
--- a/src/views/gcal-week-header.c
+++ b/src/views/gcal-week-header.c
@@ -154,6 +154,79 @@ gcal_week_header_finalize (GObject *object)
   g_clear_pointer (&self->current_date, g_free);
 }
 
+void
+gcal_week_header_add_event (GcalWeekHeader *self,
+                            GcalEvent      *event)
+{
+  GDateTime *week_start, *week_end, *event_start, *event_end;
+  GtkWidget *child_widget, *place_holder_left, *place_holder_right;
+  gint start, end;
+
+  start = -1;
+  end = -1;
+  week_start = get_start_of_week (self);
+  week_end = g_date_time_add_days (week_start, 7);
+  event_start = gcal_event_get_date_start (event);
+  event_end = gcal_event_get_date_end (event);
+  child_widget = gcal_event_widget_new (event);
+  place_holder_left = gtk_invisible_new ();
+  place_holder_right = gtk_invisible_new ();
+
+  gtk_widget_set_visible (child_widget, TRUE);
+  gtk_widget_set_visible (place_holder_left, TRUE);
+  gtk_widget_set_visible (place_holder_right, TRUE);
+
+  start = (g_date_time_get_day_of_week (event_start) - self->first_weekday + 7) % 7;
+  end = (g_date_time_get_day_of_week (event_end) - self->first_weekday + 7) % 7;
+
+  if (g_date_time_compare (event_start, week_start) < 0)
+    start = 0;
+
+  if (g_date_time_compare (event_end, week_end) >= 0)
+    end = 6;
+
+  gtk_grid_insert_row (GTK_GRID (self->grid), 0);
+
+  if (gcal_event_get_all_day (event))
+    {
+      start = (g_date_time_get_day_of_week (event_start) - self->first_weekday + 7) % 7;
+      end = start;
+    }
+
+  gtk_grid_attach (GTK_GRID (self->grid),
+                   child_widget,
+                   start,
+                   0,
+                   end - start + 1,
+                   1);
+}
+
+void
+gcal_week_header_remove_event (GcalWeekHeader *header,
+                               gchar          *uuid)
+{
+  GList *children, *l;
+
+  children = gtk_container_get_children (GTK_CONTAINER (header->grid));
+
+  for (l = children; l != NULL; l = g_list_next (l))
+    {
+      GcalEventWidget *child_widget;
+      GcalEvent *event;
+
+      if (!GCAL_IS_EVENT_WIDGET(l->data))
+        continue;
+
+      child_widget = GCAL_EVENT_WIDGET (l->data);
+      event = gcal_event_widget_get_event (child_widget);
+
+      if(child_widget != NULL && g_strcmp0 (uuid, gcal_event_get_uid (event)) == 0)
+        gtk_widget_destroy (GTK_WIDGET (l->data));
+    }
+
+  g_list_free (children);
+}
+
 static void
 gcal_week_header_get_property (GObject    *object,
                                guint       prop_id,
@@ -366,7 +439,12 @@ gcal_week_header_class_init (GcalWeekHeaderClass *kclass)
 static void
 gcal_week_header_init (GcalWeekHeader *self)
 {
+  gint i;
+
   gtk_widget_init_template (GTK_WIDGET (self));
+
+  for (i = 1; i <= 7; i++)
+    gtk_grid_insert_column (GTK_GRID (self->grid), 0);
 }
 
 /* Public API */
diff --git a/src/views/gcal-week-header.h b/src/views/gcal-week-header.h
index 527876a..db17803 100644
--- a/src/views/gcal-week-header.h
+++ b/src/views/gcal-week-header.h
@@ -39,6 +39,10 @@ void              gcal_week_header_set_use_24h_format (GcalWeekHeader *self,
                                                        gboolean        use_24h_format);
 void              gcal_week_header_set_current_date   (GcalWeekHeader *self,
                                                        icaltimetype   *current_date);
+void              gcal_week_header_add_event          (GcalWeekHeader *header,
+                                                       GcalEvent      *event);
+void              gcal_week_header_remove_event       (GcalWeekHeader *header,
+                                                       gchar          *uuid);
 
 G_END_DECLS
 
diff --git a/src/views/gcal-week-view.c b/src/views/gcal-week-view.c
index 437bf5c..3e71a9a 100644
--- a/src/views/gcal-week-view.c
+++ b/src/views/gcal-week-view.c
@@ -225,6 +225,9 @@ gcal_week_view_component_added (ECalDataModelSubscriber *subscriber,
   GcalEvent *event;
 
   event = gcal_event_new (e_client_get_source (E_CLIENT (client)), comp, NULL);
+
+  if (gcal_event_is_multiday (event) || gcal_event_get_all_day (event))
+    gcal_week_header_add_event (GCAL_WEEK_HEADER (self->header), event);
 }
 
 static void
@@ -233,10 +236,21 @@ gcal_week_view_component_modified (ECalDataModelSubscriber *subscriber,
                                    ECalComponent           *comp)
 {
   GcalWeekView *self = GCAL_WEEK_VIEW (subscriber);
+  GcalEvent *event;
+  GcalWeekHeader *header;
   gchar *uuid;
 
+  header = GCAL_WEEK_HEADER (self->header);
+
+  event = gcal_event_new (e_client_get_source (E_CLIENT (client)), comp, NULL);
   uuid = get_uuid_from_component (e_client_get_source (E_CLIENT (client)), comp);
-  /* TODO: Implement for week_header and week_grid with if */
+
+  if (gcal_event_is_multiday (event) || gcal_event_get_all_day (event))
+    gcal_week_header_remove_event (header, uuid);
+
+  g_free (uuid);
+
+  gcal_week_view_component_added (subscriber, client, comp);
 }
 
 static void
@@ -245,18 +259,23 @@ gcal_week_view_component_removed (ECalDataModelSubscriber *subscriber,
                                   const gchar             *uid,
                                   const gchar             *rid)
 {
-  GcalWeekView *week_view = GCAL_WEEK_VIEW (subscriber);
-  GList *children, *l;
+  GcalWeekView *self = GCAL_WEEK_VIEW (subscriber);
+  GcalWeekHeader *header;
   ESource *source;
   gchar *uuid;
 
+  header = GCAL_WEEK_HEADER (self->header);
+
   source = e_client_get_source (E_CLIENT (client));
+
   if (rid != NULL)
     uuid = g_strdup_printf ("%s:%s:%s", e_source_get_uid (source), uid, rid);
   else
     uuid = g_strdup_printf ("%s:%s", e_source_get_uid (source), uid);
 
-  /* TODO: Implement for week_header and week_grid with if */
+  gcal_week_header_remove_event (header, uuid);
+
+  g_free (uuid);
 }
 
 static void