//
	// Constructor
	//
	public MainWindow (Db db)
	{
		this.db = db;

		if (Toplevel == null)
			Toplevel = this;

		Glade.XML gui = new Glade.XML (null, "f-spot.glade", "main_window", "f-spot");
		gui.Autoconnect (this);

		LoadPreference (Preferences.MAIN_WINDOW_WIDTH);
		LoadPreference (Preferences.MAIN_WINDOW_X);
		LoadPreference (Preferences.MAIN_WINDOW_MAXIMIZED);
		main_window.ShowAll ();

		LoadPreference (Preferences.SIDEBAR_POSITION);
		LoadPreference (Preferences.METADATA_EMBED_IN_IMAGE);

		LoadPreference (Preferences.COLOR_MANAGEMENT_ENABLED);
 		LoadPreference (Preferences.COLOR_MANAGEMENT_USE_X_PROFILE);
 		FSpot.ColorManagement.LoadSettings();
	
#if GTK_2_10
		pagesetup_menu_item.Activated += HandlePageSetupActivated;
#else
		pagesetup_menu_item.Visible = false;
#endif
		toolbar = new Gtk.Toolbar ();
		toolbar_vbox.PackStart (toolbar);

		ToolButton import_button = GtkUtil.ToolButtonFromTheme ("gtk-add", Catalog.GetString ("Import"), false);
		import_button.Clicked += HandleImportCommand;
		import_button.SetTooltip (ToolTips, Catalog.GetString ("Import new images"), null);
		toolbar.Insert (import_button, -1);
	
		toolbar.Insert (new SeparatorToolItem (), -1);

		ToolButton rl_button = GtkUtil.ToolButtonFromTheme ("object-rotate-left", Catalog.GetString ("Rotate Left"), true);
		rl_button.Clicked += HandleRotate270Command;
		toolbar.Insert (rl_button, -1);

		ToolButton rr_button = GtkUtil.ToolButtonFromTheme ("object-rotate-right", Catalog.GetString ("Rotate Right"), true);
		rr_button.Clicked += HandleRotate90Command;
		toolbar.Insert (rr_button, -1);

		toolbar.Insert (new SeparatorToolItem (), -1);

		browse_button = new ToggleToolButton ();
		browse_button.Label = Catalog.GetString ("Browse");
		browse_button.IconName = "mode-browse";
		browse_button.IsImportant = true;
		browse_button.Toggled += HandleToggleViewBrowse;
		browse_button.SetTooltip (ToolTips, Catalog.GetString ("Browse many photos simultaneously"), null);
		toolbar.Insert (browse_button, -1);

		edit_button = new ToggleToolButton ();
		edit_button.Label = Catalog.GetString ("Edit Image");
		edit_button.IconName = "mode-image-edit";
		edit_button.IsImportant = true;
		edit_button.Toggled += HandleToggleViewPhoto;
		edit_button.SetTooltip (ToolTips, Catalog.GetString ("View and edit a photo"), null);
		toolbar.Insert (edit_button, -1);

		toolbar.Insert (new SeparatorToolItem (), -1);

		ToolButton fs_button = GtkUtil.ToolButtonFromTheme ("view-fullscreen", Catalog.GetString ("Fullscreen"), true);
		fs_button.Clicked += HandleViewFullscreen;
		fs_button.SetTooltip (ToolTips, Catalog.GetString ("View photos fullscreen"), null);
		toolbar.Insert (fs_button, -1);

		ToolButton ss_button = GtkUtil.ToolButtonFromTheme ("media-playback-start", Catalog.GetString ("Slideshow"), true);
		ss_button.Clicked += HandleViewSlideShow;
		ss_button.SetTooltip (ToolTips, Catalog.GetString ("View photos in a slideshow"), null);
		toolbar.Insert (ss_button, -1);

		SeparatorToolItem white_space = new SeparatorToolItem ();
		white_space.Draw = false;
		white_space.Expand = true;
		toolbar.Insert (white_space, -1);

		ToolItem label_item = new ToolItem ();
		count_label = new Label (String.Empty);
		label_item.Child = count_label;
		toolbar.Insert (label_item, -1);

		display_previous_button = new ToolButton (Stock.GoBack);
		toolbar.Insert (display_previous_button, -1);
		display_previous_button.SetTooltip (ToolTips, Catalog.GetString ("Previous photo"), String.Empty);
		display_previous_button.Clicked += new EventHandler (HandleDisplayPreviousButtonClicked);

		display_next_button = new ToolButton (Stock.GoForward);
		toolbar.Insert (display_next_button, -1);
		display_next_button.SetTooltip (ToolTips, Catalog.GetString ("Next photo"), String.Empty);
		display_next_button.Clicked += new EventHandler (HandleDisplayNextButtonClicked);

		sidebar = new Sidebar ();
		ViewModeChanged += sidebar.HandleMainWindowViewModeChanged;
		sidebar_vbox.Add (sidebar);

		tag_selection_scrolled = new ScrolledWindow ();
		tag_selection_scrolled.ShadowType = ShadowType.In;
		
		tag_selection_widget = new TagSelectionWidget (db.Tags);
		tag_selection_scrolled.Add (tag_selection_widget);

		sidebar.AppendPage (tag_selection_scrolled, Catalog.GetString ("Tags"), "tag");

		AddinManager.AddExtensionNodeHandler ("/FSpot/Sidebar", OnSidebarExtensionChanged);

		sidebar.Context = ViewContext.Library;
 		
		sidebar.CloseRequested += HideSidebar;
		sidebar.Show ();

		info_box = new InfoBox ();
		ViewModeChanged += info_box.HandleMainWindowViewModeChanged;
		info_box.VersionIdChanged += delegate (InfoBox box, uint version_id) { UpdateForVersionIdChange (version_id);};
		sidebar_vbox.PackEnd (info_box, false, false, 0);

		info_box.Context = ViewContext.Library;
		
		tag_selection_widget.Selection.Changed += HandleTagSelectionChanged;
		tag_selection_widget.DragDataGet += HandleTagSelectionDragDataGet;
		tag_selection_widget.DragDrop += HandleTagSelectionDragDrop;
		tag_selection_widget.DragBegin += HandleTagSelectionDragBegin;
		tag_selection_widget.KeyPressEvent += HandleTagSelectionKeyPress;
		Gtk.Drag.SourceSet (tag_selection_widget, Gdk.ModifierType.Button1Mask | Gdk.ModifierType.Button3Mask,
				    tag_target_table, DragAction.Copy | DragAction.Move);

		tag_selection_widget.DragDataReceived += HandleTagSelectionDragDataReceived;
		tag_selection_widget.DragMotion += HandleTagSelectionDragMotion;
		Gtk.Drag.DestSet (tag_selection_widget, DestDefaults.All, tag_dest_target_table, 
				  DragAction.Copy | DragAction.Move ); 

		tag_selection_widget.ButtonPressEvent += HandleTagSelectionButtonPressEvent;
		tag_selection_widget.PopupMenu += HandleTagSelectionPopupMenu;
		tag_selection_widget.RowActivated += HandleTagSelectionRowActivated;
		
		LoadPreference (Preferences.TAG_ICON_SIZE);
		
		try {
			query = new FSpot.PhotoQuery (db.Photos);
		} catch (System.Exception e) {
			//FIXME assume any exception here is due to a corrupt db and handle that.
			new RepairDbDialog (e, db.Repair (), main_window);
			query = new FSpot.PhotoQuery (db.Photos);
		}

		UpdateStatusLabel ();
		query.Changed += HandleQueryChanged;

		db.Photos.ItemsChanged += HandleDbItemsChanged;
		db.Tags.ItemsChanged += HandleTagsChanged;
		db.Tags.ItemsAdded += HandleTagsChanged;
		db.Tags.ItemsRemoved += HandleTagsChanged;
#if SHOW_CALENDAR
		FSpot.SimpleCalendar cal = new FSpot.SimpleCalendar (query);
		cal.DaySelected += HandleCalendarDaySelected;
		left_vbox.PackStart (cal, false, true, 0);
#endif

		group_selector = new FSpot.GroupSelector ();
		group_selector.Adaptor = new FSpot.TimeAdaptor (query, Preferences.Get<bool> (Preferences.GROUP_ADAPTOR_ORDER_ASC));

		group_selector.ShowAll ();
		
		if (zoom_scale != null) {
			zoom_scale.ValueChanged += HandleZoomScaleValueChanged;
		}

		view_vbox.PackStart (group_selector, false, false, 0);
		view_vbox.ReorderChild (group_selector, 0);

		find_bar = new FindBar (query, tag_selection_widget.Model);
		view_vbox.PackStart (find_bar, false, false, 0);
		view_vbox.ReorderChild (find_bar, 1);
		main_window.KeyPressEvent += HandleKeyPressEvent;
		
		query_widget = new FSpot.QueryWidget (query, db, tag_selection_widget);
		query_widget.Logic.Changed += HandleQueryLogicChanged;
		view_vbox.PackStart (query_widget, false, false, 0);
		view_vbox.ReorderChild (query_widget, 2);

		icon_view = new QueryView (query);
		icon_view.ZoomChanged += HandleZoomChanged;
		LoadPreference (Preferences.ZOOM);
		LoadPreference (Preferences.SHOW_TAGS);
		LoadPreference (Preferences.SHOW_DATES);
		LoadPreference (Preferences.SHOW_RATINGS);
		icon_view_scrolled.Add (icon_view);
		icon_view.DoubleClicked += HandleDoubleClicked;
		icon_view.Vadjustment.ValueChanged += HandleIconViewScroll;
		icon_view.GrabFocus ();

		new FSpot.PreviewPopup (icon_view);

		Gtk.Drag.SourceSet (icon_view, Gdk.ModifierType.Button1Mask | Gdk.ModifierType.Button3Mask,
				    icon_source_target_table, DragAction.Copy | DragAction.Move);
		
		icon_view.DragBegin += HandleIconViewDragBegin;
		icon_view.DragDataGet += HandleIconViewDragDataGet;

		TagMenu tag_menu = new TagMenu (null, Database.Tags);
		tag_menu.NewTagHandler += delegate { HandleCreateTagAndAttach (this, null); };
		tag_menu.TagSelected += HandleAttachTagMenuSelected;
		tag_menu.Populate();
		attach_tag.Submenu = tag_menu;
		
		PhotoTagMenu pmenu = new PhotoTagMenu ();
		pmenu.TagSelected += HandleRemoveTagMenuSelected;
		remove_tag.Submenu = pmenu;
		
		Gtk.Drag.DestSet (icon_view, DestDefaults.All, icon_dest_target_table, 
				  DragAction.Copy | DragAction.Move); 

		//		icon_view.DragLeave += new DragLeaveHandler (HandleIconViewDragLeave);
		icon_view.DragMotion += HandleIconViewDragMotion;
		icon_view.DragDrop += HandleIconViewDragDrop;
		icon_view.DragDataReceived += HandleIconViewDragDataReceived;
		icon_view.KeyPressEvent += HandleIconViewKeyPressEvent;

		photo_view = new PhotoView (query);
		photo_box.Add (photo_view);

		photo_view.DoubleClicked += HandleDoubleClicked;
		photo_view.KeyPressEvent += HandlePhotoViewKeyPressEvent;
		photo_view.UpdateStarted += HandlePhotoViewUpdateStarted;
		photo_view.UpdateFinished += HandlePhotoViewUpdateFinished;

		photo_view.View.ZoomChanged += HandleZoomChanged;

		// Tag typing: focus the tag entry if the user starts typing a tag
		icon_view.KeyPressEvent += HandlePossibleTagTyping;
		photo_view.KeyPressEvent += HandlePossibleTagTyping;
		tag_entry = new TagEntry (db.Tags);
		tag_entry.KeyPressEvent += HandleTagEntryKeyPressEvent;
		tag_entry.TagsAttached += HandleTagEntryTagsAttached;
		tag_entry.TagsRemoved += HandleTagEntryRemoveTags;
		tag_entry.Activated += HandleTagEntryActivate;
		tag_entry_container.Add (tag_entry);

		Gtk.Drag.DestSet (photo_view, DestDefaults.All, tag_target_table, 
				  DragAction.Copy | DragAction.Move); 

		photo_view.DragMotion += HandlePhotoViewDragMotion;
		photo_view.DragDrop += HandlePhotoViewDragDrop;
		photo_view.DragDataReceived += HandlePhotoViewDragDataReceived;

		view_notebook.SwitchPage += HandleViewNotebookSwitchPage;
		group_selector.Adaptor.GlassSet += HandleAdaptorGlassSet;
		group_selector.Adaptor.Changed += HandleAdaptorChanged;
		LoadPreference (Preferences.GROUP_ADAPTOR);
		LoadPreference (Preferences.GROUP_ADAPTOR_ORDER_ASC);

		this.selection = new MainSelection (this);
		this.selection.Changed += HandleSelectionChanged;
		this.selection.ItemsChanged += HandleSelectionItemsChanged;
		this.selection.Changed += sidebar.HandleSelectionChanged;
		this.selection.ItemsChanged += sidebar.HandleSelectionItemsChanged;

		Mono.Addins.AddinManager.ExtensionChanged += PopulateExtendableMenus;
		PopulateExtendableMenus (null, null);

		UpdateMenus ();

		main_window.ShowAll ();

		tagbar.Hide ();
		find_bar.Hide ();

		UpdateFindByTagMenu ();

		LoadPreference (Preferences.SHOW_TOOLBAR);
		LoadPreference (Preferences.SHOW_SIDEBAR);
		LoadPreference (Preferences.SHOW_TIMELINE);
		LoadPreference (Preferences.SHOW_FILMSTRIP);

		LoadPreference (Preferences.GNOME_MAILTO_ENABLED);
		
		Preferences.SettingChanged += OnPreferencesChanged;

		main_window.DeleteEvent += HandleDeleteEvent;
		
		query_widget.HandleChanged (query);
		query_widget.Hide ();

		// When the icon_view is loaded, set it's initial scroll position
		icon_view.SizeAllocated += HandleIconViewReady;

		export.Activated += HandleExportActivated;
		UpdateToolbar ();

		Banshee.Kernel.Scheduler.Resume ();
	}