diff options
Diffstat (limited to 'src/events/Branch.vala')
| -rw-r--r-- | src/events/Branch.vala | 533 |
1 files changed, 0 insertions, 533 deletions
diff --git a/src/events/Branch.vala b/src/events/Branch.vala deleted file mode 100644 index 15144f2..0000000 --- a/src/events/Branch.vala +++ /dev/null @@ -1,533 +0,0 @@ -/* Copyright 2016 Software Freedom Conservancy Inc. - * - * This software is licensed under the GNU Lesser General Public License - * (version 2.1 or later). See the COPYING file in this distribution. - */ - -public class Events.Branch : Sidebar.Branch { - internal static string icon = Resources.ICON_FOLDER; - internal static string events_icon = Resources.ICON_EVENTS; - internal static string single_event_icon = Resources.ICON_ONE_EVENT; - internal static string no_event_icon = Resources.ICON_NO_EVENT; - - // NOTE: Because the comparators must be static methods (due to CompareFunc's stupid impl.) - // and there's an assumption that only one Events.Branch is ever created, this is a static - // member but it's modified by instance methods. - private static bool sort_ascending = false; - - private Gee.HashMap<Event, Events.EventEntry> entry_map = new Gee.HashMap< - Event, Events.EventEntry>(); - private Events.UndatedDirectoryEntry undated_entry = new Events.UndatedDirectoryEntry(); - private Events.NoEventEntry no_event_entry = new Events.NoEventEntry(); - private Events.MasterDirectoryEntry all_events_entry = new Events.MasterDirectoryEntry(); - - public Branch() { - base (new Sidebar.Header(_("Events")), Sidebar.Branch.Options.STARTUP_EXPAND_TO_FIRST_CHILD, - event_year_comparator); - - graft(get_root(), all_events_entry); - - // seed the branch - foreach (DataObject object in Event.global.get_all()) - add_event((Event) object); - - show_no_events(Event.global.get_no_event_objects().size > 0); - - // monitor Events for future changes - Event.global.contents_altered.connect(on_events_added_removed); - Event.global.items_altered.connect(on_events_altered); - Event.global.no_event_collection_altered.connect(on_no_event_collection_altered); - - // monitor sorting criteria (see note at sort_ascending about this) - Config.Facade.get_instance().events_sort_ascending_changed.connect(on_config_changed); - } - - ~Branch() { - Event.global.contents_altered.disconnect(on_events_added_removed); - Event.global.items_altered.disconnect(on_events_altered); - Event.global.no_event_collection_altered.disconnect(on_no_event_collection_altered); - - Config.Facade.get_instance().events_sort_ascending_changed.disconnect(on_config_changed); - } - - internal static void init() { - sort_ascending = Config.Facade.get_instance().get_events_sort_ascending(); - } - - internal static void terminate() { - } - - public bool is_user_renameable() { - return true; - } - - public Events.MasterDirectoryEntry get_master_entry() { - return all_events_entry; - } - - private static int event_year_comparator(Sidebar.Entry a, Sidebar.Entry b) { - if (a == b) - return 0; - - // The Undated and No Event entries should always appear last in the - // list, respectively. - if (a is Events.UndatedDirectoryEntry) { - if (b is Events.NoEventEntry) - return -1; - return 1; - } else if (b is Events.UndatedDirectoryEntry) { - if (a is Events.NoEventEntry) - return 1; - return -1; - } - - if (a is Events.NoEventEntry) - return 1; - else if (b is Events.NoEventEntry) - return -1; - - // The All events entry should always appear on top - if (a is Events.MasterDirectoryEntry) - return -1; - else if (b is Events.MasterDirectoryEntry) - return 1; - - if (!sort_ascending) { - Sidebar.Entry swap = a; - a = b; - b = swap; - } - - int result = - ((Events.YearDirectoryEntry) a).get_year() - ((Events.YearDirectoryEntry) b).get_year(); - assert(result != 0); - - return result; - } - - private static int event_month_comparator(Sidebar.Entry a, Sidebar.Entry b) { - if (a == b) - return 0; - - if (!sort_ascending) { - Sidebar.Entry swap = a; - a = b; - b = swap; - } - - int result = - ((Events.MonthDirectoryEntry) a).get_month() - ((Events.MonthDirectoryEntry) b).get_month(); - assert(result != 0); - - return result; - } - - private static int event_comparator(Sidebar.Entry a, Sidebar.Entry b) { - if (a == b) - return 0; - - if (!sort_ascending) { - Sidebar.Entry swap = a; - a = b; - b = swap; - } - - int64 result = ((Events.EventEntry) a).get_event().get_start_time() - - ((Events.EventEntry) b).get_event().get_start_time(); - - // to stabilize sort (events with the same start time are allowed) - if (result == 0) { - result = ((Events.EventEntry) a).get_event().get_event_id().id - - ((Events.EventEntry) b).get_event().get_event_id().id; - } - - assert(result != 0); - - return (result < 0) ? -1 : 1; - } - - private static int undated_event_comparator(Sidebar.Entry a, Sidebar.Entry b) { - if (a == b) - return 0; - - if (!sort_ascending) { - Sidebar.Entry swap = a; - a = b; - b = swap; - } - - int ret = ((Events.EventEntry) a).get_event().get_name().collate( - ((Events.EventEntry) b).get_event().get_name()); - - if (ret == 0) - ret = (int) (((Events.EventEntry) b).get_event().get_instance_id() - - ((Events.EventEntry) a).get_event().get_instance_id()); - - return ret; - } - - public Events.EventEntry? get_entry_for_event(Event event) { - return entry_map.get(event); - } - - private void on_config_changed() { - bool value = Config.Facade.get_instance().get_events_sort_ascending(); - - sort_ascending = value; - reorder_all(); - } - - private void on_events_added_removed(Gee.Iterable<DataObject>? added, - Gee.Iterable<DataObject>? removed) { - if (added != null) { - foreach (DataObject object in added) - add_event((Event) object); - } - - if (removed != null) { - foreach (DataObject object in removed) - remove_event((Event) object); - } - } - - private void on_events_altered(Gee.Map<DataObject, Alteration> altered) { - foreach (DataObject object in altered.keys) { - Event event = (Event) object; - Alteration alteration = altered.get(object); - - if (alteration.has_detail("metadata", "time")) { - // can't merely re-sort the event because it might have moved to a new month or - // even a new year - move_event(event); - } else if (alteration.has_detail("metadata", "name")) { - Events.EventEntry? entry = entry_map.get(event); - assert(entry != null); - - entry.sidebar_name_changed(event.get_name()); - entry.sidebar_tooltip_changed(event.get_name()); - } - } - } - - private void on_no_event_collection_altered() { - show_no_events(Event.global.get_no_event_objects().size > 0); - } - - private void add_event(Event event) { - time_t event_time = event.get_start_time(); - if (event_time == 0) { - add_undated_event(event); - - return; - } - - Time event_tm = Time.local(event_time); - - Sidebar.Entry? year; - Sidebar.Entry? month = find_event_month(event, event_tm, out year); - if (month != null) { - graft_event(month, event, event_comparator); - - return; - } - - if (year == null) { - year = new Events.YearDirectoryEntry(event_tm.format(SubEventsDirectoryPage.YEAR_FORMAT), - event_tm); - graft(get_root(), year, event_month_comparator); - } - - month = new Events.MonthDirectoryEntry(event_tm.format(SubEventsDirectoryPage.MONTH_FORMAT), - event_tm); - graft(year, month, event_comparator); - - graft_event(month, event, event_comparator); - } - - private void move_event(Event event) { - time_t event_time = event.get_start_time(); - if (event_time == 0) { - move_to_undated_event(event); - - return; - } - - Time event_tm = Time.local(event_time); - - Sidebar.Entry? year; - Sidebar.Entry? month = find_event_month(event, event_tm, out year); - - if (year == null) { - year = new Events.YearDirectoryEntry(event_tm.format(SubEventsDirectoryPage.YEAR_FORMAT), - event_tm); - graft(get_root(), year, event_month_comparator); - } - - if (month == null) { - month = new Events.MonthDirectoryEntry(event_tm.format(SubEventsDirectoryPage.MONTH_FORMAT), - event_tm); - graft(year, month, event_comparator); - } - - reparent_event(event, month); - } - - private void remove_event(Event event) { - // the following code works for undated events as well as dated (no need for special - // case, as in add_event()) - Sidebar.Entry? entry; - bool removed = entry_map.unset(event, out entry); - assert(removed); - - Sidebar.Entry? parent = get_parent(entry); - assert(parent != null); - - prune(entry); - - // prune up the tree to the root - while (get_child_count(parent) == 0 && parent != get_root()) { - Sidebar.Entry? grandparent = get_parent(parent); - assert(grandparent != null); - - prune(parent); - - parent = grandparent; - } - } - - private Sidebar.Entry? find_event_month(Event event, Time event_tm, out Sidebar.Entry found_year) { - // find the year first - found_year = find_event_year(event, event_tm); - if (found_year == null) - return null; - - int event_month = event_tm.month + 1; - - // found the year, traverse the months - return find_first_child(found_year, (entry) => { - return ((Events.MonthDirectoryEntry) entry).get_month() == event_month; - }); - } - - private Sidebar.Entry? find_event_year(Event event, Time event_tm) { - int event_year = event_tm.year + 1900; - - return find_first_child(get_root(), (entry) => { - if ((entry is Events.UndatedDirectoryEntry) || (entry is Events.NoEventEntry) || - entry is Events.MasterDirectoryEntry) - return false; - else - return ((Events.YearDirectoryEntry) entry).get_year() == event_year; - }); - } - - private void add_undated_event(Event event) { - if (!has_entry(undated_entry)) - graft(get_root(), undated_entry, undated_event_comparator); - - graft_event(undated_entry, event); - } - - private void move_to_undated_event(Event event) { - if (!has_entry(undated_entry)) - graft(get_root(), undated_entry); - - reparent_event(event, undated_entry); - } - - private void graft_event(Sidebar.Entry parent, Event event, - owned CompareFunc<Sidebar.Entry>? comparator = null) { - Events.EventEntry entry = new Events.EventEntry(event); - entry_map.set(event, entry); - - graft(parent, entry, comparator); - } - - private void reparent_event(Event event, Sidebar.Entry new_parent) { - Events.EventEntry? entry = entry_map.get(event); - assert(entry != null); - - Sidebar.Entry? old_parent = get_parent(entry); - assert(old_parent != null); - - reparent(new_parent, entry); - - while (get_child_count(old_parent) == 0 && old_parent != get_root()) { - Sidebar.Entry? grandparent = get_parent(old_parent); - assert(grandparent != null); - - prune(old_parent); - - old_parent = grandparent; - } - } - - private void show_no_events(bool show) { - if (show && !has_entry(no_event_entry)) - graft(get_root(), no_event_entry); - else if (!show && has_entry(no_event_entry)) - prune(no_event_entry); - } -} - -public abstract class Events.DirectoryEntry : Sidebar.SimplePageEntry, Sidebar.ExpandableEntry { - public DirectoryEntry() { - } - - public override string? get_sidebar_icon() { - return Events.Branch.icon; - } - - public bool expand_on_select() { - return true; - } -} - -public class Events.MasterDirectoryEntry : Events.DirectoryEntry { - public MasterDirectoryEntry() { - } - - public override string get_sidebar_name() { - return MasterEventsDirectoryPage.NAME; - } - - public override string? get_sidebar_icon() { - return Events.Branch.events_icon; - } - - protected override Page create_page() { - return new MasterEventsDirectoryPage(); - } -} - -public class Events.YearDirectoryEntry : Events.DirectoryEntry { - private string name; - private Time tm; - - public YearDirectoryEntry(string name, Time tm) { - this.name = name; - this.tm = tm; - } - - public override string get_sidebar_name() { - return name; - } - - public int get_year() { - return tm.year + 1900; - } - - protected override Page create_page() { - return new SubEventsDirectoryPage(SubEventsDirectoryPage.DirectoryType.YEAR, tm); - } -} - -public class Events.MonthDirectoryEntry : Events.DirectoryEntry { - private string name; - private Time tm; - - public MonthDirectoryEntry(string name, Time tm) { - this.name = name; - this.tm = tm; - } - - public override string get_sidebar_name() { - return name; - } - - public int get_year() { - return tm.year + 1900; - } - - public int get_month() { - return tm.month + 1; - } - - protected override Page create_page() { - return new SubEventsDirectoryPage(SubEventsDirectoryPage.DirectoryType.MONTH, tm); - } -} - -public class Events.UndatedDirectoryEntry : Events.DirectoryEntry { - public UndatedDirectoryEntry() { - } - - public override string get_sidebar_name() { - return SubEventsDirectoryPage.UNDATED_PAGE_NAME; - } - - protected override Page create_page() { - return new SubEventsDirectoryPage(SubEventsDirectoryPage.DirectoryType.UNDATED, - Time.local(0)); - } -} - -public class Events.EventEntry : Sidebar.SimplePageEntry, Sidebar.RenameableEntry, - Sidebar.InternalDropTargetEntry { - private Event event; - - public EventEntry(Event event) { - this.event = event; - } - - public Event get_event() { - return event; - } - - public override string get_sidebar_name() { - return event.get_name(); - } - - public override string? get_sidebar_icon() { - return Events.Branch.single_event_icon; - } - - protected override Page create_page() { - return new EventPage(event); - } - - public bool is_user_renameable() { - return true; - } - - public void rename(string new_name) { - string? prepped = Event.prep_event_name(new_name); - if (prepped != null) - AppWindow.get_command_manager().execute(new RenameEventCommand(event, prepped)); - } - - public bool internal_drop_received(Gee.List<MediaSource> media) { - // ugh ... some early Commands expected DataViews instead of DataSources (to make life - // easier for Pages) and this is one of the prices paid for that - Gee.ArrayList<DataView> views = new Gee.ArrayList<DataView>(); - foreach (MediaSource media_source in media) - views.add(new DataView(media_source)); - - AppWindow.get_command_manager().execute(new SetEventCommand(views, event)); - - return true; - } - - public bool internal_drop_received_arbitrary(Gtk.SelectionData data) { - return false; - } -} - - -public class Events.NoEventEntry : Sidebar.SimplePageEntry { - public NoEventEntry() { - } - - public override string get_sidebar_name() { - return NoEventPage.NAME; - } - - public override string? get_sidebar_icon() { - return Events.Branch.no_event_icon; - } - - protected override Page create_page() { - return new NoEventPage(); - } -} - |