set the attendees of a component (meeting_page_fill_component): use above

2001-08-08  JP Rosevear  <jpr@ximian.com>

	* gui/dialogs/meeting-page.c (set_attendees): set the attendees of
	a component
	(meeting_page_fill_component): use above
	(meeting_page_get_cancel_comp): return a comp with the attendees
	to be cancelled

	* gui/dialogs/meeting-page.h: get a component that will be sent as
	a cancellation

	* gui/dialogs/event-editor.c (event_editor_class_init): override
	send_comp class method
	(event_editor_send_comp): send cancellation notices to deleted
	attendees
	(refresh_meeting_cmd): save before send
	(forward_cmd): ditto

	* gui/dialogs/comp-editor.c (comp_editor_class_init): set default
	send_comp method
	(real_send_comp): do the real work
	(comp_editor_send_comp): call class method
	(save_comp): don't do any sending
	(save_comp_with_send): save and send here
	(prompt_to_save_changes): use above
	(save_close_cmd): ditto

	* gui/dialogs/comp-editor.h: add virtual function

svn path=/trunk/; revision=11803

5 files changed, 149 insertions, 42 deletions

diff --git a/calendar/gui/dialogs/comp-editor.c b/calendar/gui/dialogs/comp-editor.c
index 6023e80295..ba0ed77ec6 100644
--- a/calendar/gui/dialogs/comp-editor.c
+++ b/calendar/gui/dialogs/comp-editor.c
@@ -77,7 +77,9 @@ static void comp_editor_init (CompEditor *editor);
 static void comp_editor_destroy (GtkObject *object);
 
 static void real_edit_comp (CompEditor *editor, CalComponent *comp);
+static void real_send_comp (CompEditor *editor, CalComponentItipMethod method);
 static void save_comp (CompEditor *editor);
+static void save_comp_with_send (CompEditor *editor);
 static void delete_comp (CompEditor *editor);
 static void close_dialog (CompEditor *editor);
 
@@ -163,6 +165,7 @@ comp_editor_class_init (CompEditorClass *klass)
 	parent_class = gtk_type_class (GTK_TYPE_OBJECT);
 
 	klass->edit_comp = real_edit_comp;
+	klass->send_comp = real_send_comp;
 
 	object_class->destroy = comp_editor_destroy;
 }
@@ -523,6 +526,20 @@ real_edit_comp (CompEditor *editor, CalComponent *comp)
 	fill_widgets (editor);	
 }
 
+
+static void
+real_send_comp (CompEditor *editor, CalComponentItipMethod method) 
+{
+	CompEditorPrivate *priv;
+
+	g_return_if_fail (editor != NULL);
+	g_return_if_fail (IS_COMP_EDITOR (editor));
+
+	priv = editor->priv;
+	
+	itip_send_comp (method, priv->comp);
+}
+
 	
 /**
  * comp_editor_edit_comp:
@@ -600,14 +617,15 @@ comp_editor_delete_comp (CompEditor *editor)
 void
 comp_editor_send_comp (CompEditor *editor, CalComponentItipMethod method)
 {
-	CalComponent *comp;
-
-	comp = comp_editor_get_current_comp (editor);
-
-	cal_component_commit_sequence (comp);
-	itip_send_comp (method, comp);
+	CompEditorClass *klass;
+	
+	g_return_if_fail (editor != NULL);
+	g_return_if_fail (IS_COMP_EDITOR (editor));
 
-	gtk_object_unref (GTK_OBJECT (comp));
+	klass = COMP_EDITOR_CLASS (GTK_OBJECT (editor)->klass);
+	
+	if (klass->send_comp)
+		klass->send_comp (editor, method);
 }
 
 /**
@@ -704,11 +722,7 @@ save_comp (CompEditor *editor)
 	
 	for (l = priv->pages; l != NULL; l = l->next)
 		comp_editor_page_fill_component (l->data, priv->comp);
-
-	if (priv->needs_send && send_component_dialog (priv->comp)) {
-		cal_component_commit_sequence (priv->comp);
-		itip_send_comp (CAL_COMPONENT_METHOD_REQUEST, priv->comp);
-	}
+	cal_component_commit_sequence (priv->comp);
 	
 	priv->updating = TRUE;
 
@@ -721,6 +735,19 @@ save_comp (CompEditor *editor)
 }
 
 static void
+save_comp_with_send (CompEditor *editor) 
+{
+	CompEditorPrivate *priv;
+	
+	priv = editor->priv;
+
+	save_comp (editor);
+	
+	if (priv->needs_send && send_component_dialog (priv->comp))
+		comp_editor_send_comp (editor, CAL_COMPONENT_METHOD_REQUEST);
+}
+
+static void
 delete_comp (CompEditor *editor)
 {
 	CompEditorPrivate *priv;
@@ -749,7 +776,7 @@ prompt_to_save_changes (CompEditor *editor)
 	case 0: /* Save */
 		/* FIXME: If an error occurs here, we should popup a dialog
 		   and then return FALSE. */
-		save_comp (editor);
+		save_comp_with_send (editor);
 		return TRUE;
 	case 1: /* Discard */
 		return TRUE;
@@ -782,7 +809,7 @@ save_close_cmd (GtkWidget *widget, gpointer data)
 {
 	CompEditor *editor = COMP_EDITOR (data);
 
-	save_comp (editor);
+	save_comp_with_send (editor);
 	close_dialog (editor);
 }
 
diff --git a/calendar/gui/dialogs/comp-editor.h b/calendar/gui/dialogs/comp-editor.h
index 12cfa64031..a8a459e008 100644
--- a/calendar/gui/dialogs/comp-editor.h
+++ b/calendar/gui/dialogs/comp-editor.h
@@ -53,6 +53,7 @@ typedef struct {
 
 	/* Virtual functions */
 	void (* edit_comp) (CompEditor *page, CalComponent *comp);
+	void (* send_comp) (CompEditor *page, CalComponentItipMethod method);
 } CompEditorClass;
 
 GtkType       comp_editor_get_type         (void);
diff --git a/calendar/gui/dialogs/event-editor.c b/calendar/gui/dialogs/event-editor.c
index 59c587b18b..a58d1d4b82 100644
--- a/calendar/gui/dialogs/event-editor.c
+++ b/calendar/gui/dialogs/event-editor.c
@@ -52,6 +52,7 @@ struct _EventEditorPrivate {
 static void event_editor_class_init (EventEditorClass *class);
 static void event_editor_init (EventEditor *ee);
 static void event_editor_edit_comp (CompEditor *editor, CalComponent *comp);
+static void event_editor_send_comp (CompEditor *editor, CalComponentItipMethod method);
 static void event_editor_destroy (GtkObject *object);
 
 static void schedule_meeting_cmd (GtkWidget *widget, gpointer data);
@@ -117,6 +118,7 @@ event_editor_class_init (EventEditorClass *klass)
 	parent_class = gtk_type_class (TYPE_COMP_EDITOR);
 
 	editor_class->edit_comp = event_editor_edit_comp;
+	editor_class->send_comp = event_editor_send_comp;
 	
 	object_class->destroy = event_editor_destroy;
 }
@@ -198,6 +200,29 @@ event_editor_edit_comp (CompEditor *editor, CalComponent *comp)
 		parent_class->edit_comp (editor, comp);
 }
 
+static void
+event_editor_send_comp (CompEditor *editor, CalComponentItipMethod method)
+{
+	EventEditor *ee = EVENT_EDITOR (editor);
+	EventEditorPrivate *priv;
+	CalComponent *comp = NULL;
+
+	priv = ee->priv;
+
+	/* Don't cancel more than once */
+	if (method == CAL_COMPONENT_METHOD_CANCEL)
+		return;	
+	
+	comp = meeting_page_get_cancel_comp (priv->meet_page);
+	if (comp != NULL) {		
+		itip_send_comp (CAL_COMPONENT_METHOD_CANCEL, comp);
+		gtk_object_unref (GTK_OBJECT (comp));
+	}
+	
+	if (parent_class->send_comp)
+		parent_class->send_comp (editor, method);
+}
+
 /* Destroy handler for the event editor */
 static void
 event_editor_destroy (GtkObject *object)
@@ -258,7 +283,8 @@ static void
 refresh_meeting_cmd (GtkWidget *widget, gpointer data)
 {
 	EventEditor *ee = EVENT_EDITOR (data);
-	
+
+	comp_editor_save_comp (COMP_EDITOR (ee));
 	comp_editor_send_comp (COMP_EDITOR (ee), CAL_COMPONENT_METHOD_REFRESH);
 }
 
@@ -280,6 +306,7 @@ forward_cmd (GtkWidget *widget, gpointer data)
 {
 	EventEditor *ee = EVENT_EDITOR (data);
 	
+	comp_editor_save_comp (COMP_EDITOR (ee));
 	comp_editor_send_comp (COMP_EDITOR (ee), CAL_COMPONENT_METHOD_PUBLISH);
 }
 
diff --git a/calendar/gui/dialogs/meeting-page.c b/calendar/gui/dialogs/meeting-page.c
index 4e88d4194a..161ae07255 100644
--- a/calendar/gui/dialogs/meeting-page.c
+++ b/calendar/gui/dialogs/meeting-page.c
@@ -95,6 +95,9 @@ struct _MeetingPagePrivate {
 	/* Lists of attendees */
 	GSList *attendees;
 	GSList *deleted_attendees;
+
+	/* To use in case of cancellation */
+	CalComponent *comp;
 	
 	/* List of identities */
 	GList *addresses;
@@ -214,8 +217,12 @@ meeting_page_init (MeetingPage *mpage)
 	priv = g_new0 (MeetingPagePrivate, 1);
 	mpage->priv = priv;
 
-	priv->xml = NULL;
+	priv->attendees = NULL;
+	priv->deleted_attendees = NULL;
 
+	priv->comp = NULL;
+	
+	priv->xml = NULL;
 	priv->main = NULL;
 	priv->invite = NULL;
 	
@@ -226,6 +233,37 @@ meeting_page_init (MeetingPage *mpage)
 }
 
 static void
+set_attendees (CalComponent *comp, GSList *attendees)
+{
+	GSList *comp_attendees = NULL;
+	GSList *l;
+	
+	for (l = attendees; l != NULL; l = l->next) {
+		struct attendee *attendee = l->data;
+		CalComponentAttendee *att = g_new0 (CalComponentAttendee, 1);
+		
+		
+		att->value = attendee->address;
+		att->member = (attendee->member && *attendee->member) ? attendee->member : NULL;
+		att->cutype= attendee->cutype;
+		att->role = attendee->role;
+		att->status = attendee->status;
+		att->rsvp = attendee->rsvp;
+		att->delto = (attendee->delto && *attendee->delto) ? attendee->delto : NULL;
+		att->delfrom = (attendee->delfrom && *attendee->delfrom) ? attendee->delfrom : NULL;
+		att->sentby = (attendee->sentby && *attendee->sentby) ? attendee->sentby : NULL;
+		att->cn = (attendee->cn && *attendee->cn) ? attendee->cn : NULL;
+		att->language = (attendee->language && *attendee->language) ? attendee->language : NULL;
+		
+		comp_attendees = g_slist_prepend (comp_attendees, att);
+		
+	}
+	comp_attendees = g_slist_reverse (comp_attendees);
+	cal_component_set_attendee_list (comp, comp_attendees);
+	g_slist_free (comp_attendees);
+}
+
+static void
 cleanup_attendees (GSList *attendees)
 {
 	GSList *l;
@@ -262,6 +300,9 @@ meeting_page_destroy (GtkObject *object)
 	mpage = MEETING_PAGE (object);
 	priv = mpage->priv;
 
+	if (priv->comp != NULL)
+		gtk_object_unref (GTK_OBJECT (priv->comp));
+	
 	cleanup_attendees (priv->attendees);
 	cleanup_attendees (priv->deleted_attendees);
 	
@@ -352,6 +393,10 @@ meeting_page_fill_widgets (CompEditorPage *page, CalComponent *comp)
 	priv->updating = TRUE;
 	
 	/* Clean out old data */
+	if (priv->comp != NULL)
+		gtk_object_unref (GTK_OBJECT (priv->comp));
+	priv->comp = NULL;
+	
 	cleanup_attendees (priv->attendees);
 	cleanup_attendees (priv->deleted_attendees);
 	priv->attendees = NULL;	
@@ -360,6 +405,9 @@ meeting_page_fill_widgets (CompEditorPage *page, CalComponent *comp)
 	/* Clean the screen */
 	clear_widgets (mpage);
 
+	/* Component for cancellation */
+	priv->comp = cal_component_clone (comp);
+	
 	/* Organizer */
 	cal_component_get_organizer (comp, &organizer);
 	priv->addresses = itip_addresses_get ();
@@ -432,7 +480,6 @@ meeting_page_fill_component (CompEditorPage *page, CalComponent *comp)
 	MeetingPage *mpage;
 	MeetingPagePrivate *priv;
 	CalComponentOrganizer organizer = {NULL, NULL, NULL, NULL};
-	GSList *attendees = NULL, *l;
 	
 	mpage = MEETING_PAGE (page);
 	priv = mpage->priv;
@@ -474,30 +521,8 @@ meeting_page_fill_component (CompEditorPage *page, CalComponent *comp)
 		g_free (addr);
 		g_free (cn);
 	}
-	
-	for (l = priv->attendees; l != NULL; l = l->next) {
-		struct attendee *attendee = l->data;
-		CalComponentAttendee *att = g_new0 (CalComponentAttendee, 1);
-		
-		
-		att->value = attendee->address;
-		att->member = (attendee->member && *attendee->member) ? attendee->member : NULL;
-		att->cutype= attendee->cutype;
-		att->role = attendee->role;
-		att->status = attendee->status;
-		att->rsvp = attendee->rsvp;
-		att->delto = (attendee->delto && *attendee->delto) ? attendee->delto : NULL;
-		att->delfrom = (attendee->delfrom && *attendee->delfrom) ? attendee->delfrom : NULL;
-		att->sentby = (attendee->sentby && *attendee->sentby) ? attendee->sentby : NULL;
-		att->cn = (attendee->cn && *attendee->cn) ? attendee->cn : NULL;
-		att->language = (attendee->language && *attendee->language) ? attendee->language : NULL;
-		
-		attendees = g_slist_prepend (attendees, att);
-		
-	}
-	attendees = g_slist_reverse (attendees);
-	cal_component_set_attendee_list (comp, attendees);
-	g_slist_free (attendees);
+
+	set_attendees (comp, priv->attendees);
 }
 
 
@@ -1403,7 +1428,7 @@ popup_delete_cb (GtkWidget *widget, gpointer data)
 	a = g_slist_nth_data (priv->attendees, priv->row);
 
 	/* If this was a delegatee, no longer delegate */
-	if (a->delfrom != NULL) {
+	if (a->delfrom != NULL && *a->delfrom != '\0') {
 		struct attendee *b;
 		
 		b = find_match (mpage, a->delfrom, &pos);
@@ -1537,3 +1562,29 @@ meeting_page_new (void)
 	return mpage;
 }
 
+/**
+ * meeting_page_get_cancel_comp:
+ * @mpage: 
+ * 
+ * 
+ * 
+ * Return value: 
+ **/
+CalComponent *
+meeting_page_get_cancel_comp (MeetingPage *mpage)
+{
+	MeetingPagePrivate *priv;
+
+	g_return_val_if_fail (mpage != NULL, NULL);
+	g_return_val_if_fail (IS_MEETING_PAGE (mpage), NULL);
+
+	priv = mpage->priv;
+
+	if (priv->deleted_attendees == NULL)
+		return NULL;
+	
+	set_attendees (priv->comp, priv->deleted_attendees);
+	
+	return cal_component_clone (priv->comp);
+}
+
diff --git a/calendar/gui/dialogs/meeting-page.h b/calendar/gui/dialogs/meeting-page.h
index d04c1b110f..ba8a6d18b4 100644
--- a/calendar/gui/dialogs/meeting-page.h
+++ b/calendar/gui/dialogs/meeting-page.h
@@ -54,6 +54,7 @@ typedef struct {
 GtkType      meeting_page_get_type  (void);
 MeetingPage *meeting_page_construct (MeetingPage *mpage);
 MeetingPage *meeting_page_new       (void);
+CalComponent *meeting_page_get_cancel_comp (MeetingPage *mpage);