allow differnt sorting options

"touch" groups after editing to get correct sort order "modification date"

src/Kp2aBusinessLogic/database/edit/EditGroup.cs

@@ -53,6 +53,7 @@ namespace keepass2android
 			Group.Name = _name;
 			Group.IconId = _iconId;
 			Group.CustomIconUuid = _customIconId;
+			Group.Touch(true);
 
 			// Commit to disk
 			SaveDb save = new SaveDb(_ctx, _app, OnFinishToRun);

src/Kp2aBusinessLogic/database/edit/UpdateEntry.cs

@@ -53,23 +53,15 @@ namespace keepass2android
 			
 			public override void Run() {
 				if ( Success ) {
-					// Mark group dirty if title, icon or Expiry stuff changes
-					if ( ! _backup.Strings.ReadSafe (PwDefs.TitleField).Equals(_updatedEntry.Strings.ReadSafe (PwDefs.TitleField)) 
-					    || ! _backup.IconId.Equals(_updatedEntry.IconId)
-						|| !_backup.CustomIconUuid.Equals(_updatedEntry.CustomIconUuid)
-					    || _backup.Expires != _updatedEntry.Expires
-					    || (_backup.Expires && (! _backup.ExpiryTime.Equals(_updatedEntry.ExpiryTime)))
-					    )
-					
-					{
-						PwGroup parent = _updatedEntry.ParentGroup;
-						if ( parent != null ) {
+					// Mark parent group dirty. Even only the last modification date changed, this might affect sort order
+					PwGroup parent = _updatedEntry.ParentGroup;
+					if ( parent != null ) {
 
-							// Mark parent group dirty
-							_app.GetDb().Dirty.Add(parent);
+						// Mark parent group dirty
+						_app.GetDb().Dirty.Add(parent);
 							
-						}
 					}
+					
 				} else {
 					StatusLogger.UpdateMessage(UiStringKey.UndoingChanges);
 					// If we fail to save, back out changes to global structure

src/keepass2android/GroupBaseActivity.cs

@@ -16,6 +16,8 @@ This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file
   */
 
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using Android.App;
 using Android.Content;
 using Android.OS;
@@ -331,19 +333,7 @@ namespace keepass2android
 			return true;
 		}
 		
-		private void SetSortMenuText(IMenu menu) {
-			bool sortByName = _prefs.GetBoolean(GetString(Resource.String.sort_key), Resources.GetBoolean(Resource.Boolean.sort_default));
-			
-			int resId;
-			if ( sortByName ) {
-				resId = Resource.String.sort_db;
-			} else {
-				resId = Resource.String.sort_name;
-			}
-			
-			menu.FindItem(Resource.Id.menu_sort).SetTitle(resId);
-			
-		}
+		
 
 		public override bool OnPrepareOptionsMenu(IMenu menu) {
 			if ( ! base.OnPrepareOptionsMenu(menu) ) {
@@ -351,7 +341,7 @@ namespace keepass2android
 			}
 
 			Util.PrepareDonateOptionMenu(menu, this);
-			SetSortMenuText(menu);
+			
 			
 			return true;
 		}
@@ -378,7 +368,7 @@ namespace keepass2android
 				return true;
 				
 			case Resource.Id.menu_sort:
-				ToggleSort();
+				ChangeSort();
 				return true;
 			case Android.Resource.Id.Home:
 				//Currently the action bar only displays the home button when we come from a previous activity.
@@ -471,26 +461,41 @@ namespace keepass2android
 			base.OnBackPressed();
 		}
 
-		private void ToggleSort() {
-			// Toggle setting
-			String sortKey = GetString(Resource.String.sort_key);
-			bool sortByName = _prefs.GetBoolean(sortKey, Resources.GetBoolean(Resource.Boolean.sort_default));
-			ISharedPreferencesEditor editor = _prefs.Edit();
-			editor.PutBoolean(sortKey, ! sortByName);
-			EditorCompat.Apply(editor);
+		private void ChangeSort()
+		{
+			var sortOrderManager = new GroupViewSortOrderManager(this);
+			IEnumerable<string> sortOptions = sortOrderManager.SortOrders.Select(
+				o => GetString(o.ResourceId)
+				);
+
+			int selectedBefore = sortOrderManager.GetCurrentSortOrderIndex();
+
+			new AlertDialog.Builder(this)
+				.SetSingleChoiceItems(sortOptions.ToArray(), selectedBefore, (sender, args) =>
+					{
+						int selectedAfter = args.Which;
+
+						sortOrderManager.SetNewSortOrder(selectedAfter);
+						// Refresh menu titles
+						ActivityCompat.InvalidateOptionsMenu(this);
+
+						// Mark all groups as dirty now to refresh them on load
+						Database db = App.Kp2a.GetDb();
+						db.MarkAllGroupsAsDirty();
+						// We'll manually refresh this group so we can remove it
+						db.Dirty.Remove(Group);
+
+						// Tell the adapter to refresh it's list
+						BaseAdapter adapter = (BaseAdapter)ListAdapter;
+						adapter.NotifyDataSetChanged();
 			
-			// Refresh menu titles
-			ActivityCompat.InvalidateOptionsMenu(this);
 			
-			// Mark all groups as dirty now to refresh them on load
-			Database db = App.Kp2a.GetDb();
-			db.MarkAllGroupsAsDirty();
-			// We'll manually refresh this group so we can remove it
-			db.Dirty.Remove(Group);
+					})
+					.SetPositiveButton(Android.Resource.String.Ok, (sender, args) => ((Dialog)sender).Dismiss())
+					.Show();
+
+			
 			
-			// Tell the adapter to refresh it's list
-			BaseAdapter adapter = (BaseAdapter) ListAdapter;
-			adapter.NotifyDataSetChanged();
 			
 		}
 		

src/keepass2android/PwGroupListAdapter.cs

@@ -27,6 +27,182 @@ using keepass2android.view;
 
 namespace keepass2android
 {
+	public interface IGroupViewSortOrder
+	{
+		int ResourceId { get; }
+		bool RequiresSort { get; }
+		int CompareEntries(PwEntry a, PwEntry b);
+		int CompareGroups(PwGroup a, PwGroup b);
+	}
+
+	class ModDateSortOrder : IGroupViewSortOrder
+	{
+		public int ResourceId
+		{
+			get { return Resource.String.sort_moddate; }
+		}
+
+		public bool RequiresSort
+		{
+			get { return true; }
+		}
+
+		public int CompareEntries(PwEntry a, PwEntry b)
+		{
+			return a.LastModificationTime.CompareTo(b.LastModificationTime);
+		}
+
+		public int CompareGroups(PwGroup a, PwGroup b)
+		{
+			return a.LastModificationTime.CompareTo(b.LastModificationTime);
+		}
+	}
+	class CreationDateSortOrder : IGroupViewSortOrder
+	{
+		public int ResourceId
+		{
+			get { return Resource.String.sort_db; }
+		}
+
+		public bool RequiresSort
+		{
+			get { return true; }
+		}
+
+		public int CompareEntries(PwEntry a, PwEntry b)
+		{
+			return a.CreationTime.CompareTo(b.CreationTime);
+		}
+
+		public int CompareGroups(PwGroup a, PwGroup b)
+		{
+			return a.CreationTime.CompareTo(b.CreationTime);
+		}
+	}
+
+	public class DefaultSortOrder: IGroupViewSortOrder
+	{
+		public int ResourceId
+		{
+			get { return Resource.String.sort_default; }
+		}
+
+		public bool RequiresSort
+		{
+			get { return false; }
+		}
+
+		public int CompareEntries(PwEntry a, PwEntry b)
+		{
+			return 0;
+		}
+
+		public int CompareGroups(PwGroup a, PwGroup b)
+		{
+			return 0;
+		}
+	}
+	public class NameSortOrder: IGroupViewSortOrder
+	{
+		public int ResourceId
+		{
+			get { return Resource.String.sort_name; }
+		}
+
+		public bool RequiresSort
+		{
+			get { return true; }
+		}
+
+		public int CompareEntries(PwEntry x, PwEntry y)
+		{
+			String nameX = x.Strings.ReadSafe(PwDefs.TitleField);
+											String nameY = y.Strings.ReadSafe(PwDefs.TitleField);
+			if (nameX.ToLower() != nameY.ToLower())
+				return String.Compare(nameX, nameY, StringComparison.OrdinalIgnoreCase);
+			else
+			{
+				if (PwDefs.IsTanEntry(x) && PwDefs.IsTanEntry(y))
+				{
+					//compare the user name fields (=TAN index)
+					String userX = x.Strings.ReadSafe(PwDefs.UserNameField);
+					String userY = y.Strings.ReadSafe(PwDefs.UserNameField);
+					if (userX != userY)
+					{
+						try
+						{
+							return int.Parse(userX).CompareTo(int.Parse(userY));
+						}
+						catch (Exception)
+						{
+							//ignore
+						}
+						return String.Compare(userX, userY, StringComparison.OrdinalIgnoreCase);
+					}
+				}
+
+				//use creation time for non-tan entries:
+
+				return x.CreationTime.CompareTo(y.CreationTime);
+			}
+		}
+
+		public int CompareGroups(PwGroup a, PwGroup b)
+		{
+			return String.CompareOrdinal(a.Name, b.Name);
+		}
+	}
+
+	public class GroupViewSortOrderManager
+	{
+		private readonly Context _context;
+		private readonly IGroupViewSortOrder[] _orders = new IGroupViewSortOrder[] { new DefaultSortOrder(), new NameSortOrder(), new ModDateSortOrder(), new CreationDateSortOrder()};
+		private readonly ISharedPreferences _prefs;
+
+		public GroupViewSortOrderManager(Context context)
+		{
+			_context = context;
+			_prefs = PreferenceManager.GetDefaultSharedPreferences(_context);
+		}
+
+		public IGroupViewSortOrder[] SortOrders	
+		{
+			get { return _orders; }
+		}
+
+		public bool SortGroups
+		{
+			get { return true; }
+			//_prefs.GetBoolean(_context.GetString(Resource.String.sortgroups_key), false); }
+		}
+
+		public IGroupViewSortOrder GetCurrentSortOrder()
+		{
+			return SortOrders[GetCurrentSortOrderIndex()];
+		}
+
+		public int GetCurrentSortOrderIndex()
+		{
+			String sortKeyOld = _context.GetString(Resource.String.sort_key_old);
+			String sortKey = _context.GetString(Resource.String.sort_key);
+
+			int sortId = _prefs.GetInt(sortKey, -1);
+			if (sortId == -1)
+			{
+				sortId = _prefs.GetBoolean(sortKeyOld, true) ? 1 : 0;
+			}
+			return sortId;
+		}
+
+		public void SetNewSortOrder(int selectedAfter)
+		{
+			String sortKey = _context.GetString(Resource.String.sort_key);
+			ISharedPreferencesEditor editor = _prefs.Edit();
+			editor.PutInt(sortKey, selectedAfter);
+			//editor.PutBoolean(_context.GetString(Resource.String.sortgroups_key), false);
+			EditorCompat.Apply(editor);
+		}
+	}
 	
 	public class PwGroupListAdapter : BaseAdapter 
 	{
@@ -36,12 +212,12 @@ namespace keepass2android
 		private List<PwGroup> _groupsForViewing;
 		private List<PwEntry> _entriesForViewing;
 
-		private readonly ISharedPreferences _prefs;
+		
 		
 		public PwGroupListAdapter(GroupBaseActivity act, PwGroup group) {
 			_act = act;
 			_group = group;
-			_prefs = PreferenceManager.GetDefaultSharedPreferences(act);
+			
 			
 			FilterAndSort();
 			
@@ -68,45 +244,21 @@ namespace keepass2android
 			{
 				_entriesForViewing.Add(entry);
 			}
-			
-			bool sortLists = _prefs.GetBoolean(_act.GetString(Resource.String.sort_key),	_act.Resources.GetBoolean(Resource.Boolean.sort_default)); 
-			if ( sortLists ) 
-			{
-				_groupsForViewing = new List<PwGroup>(_group.Groups);
-				_groupsForViewing.Sort( (x, y) => { return String.Compare (x.Name, y.Name, true); });
-				_entriesForViewing.Sort( (x, y) => 
-				                       { 
-											String nameX = x.Strings.ReadSafe(PwDefs.TitleField);
-											String nameY = y.Strings.ReadSafe(PwDefs.TitleField);
-											if (nameX.ToLower() != nameY.ToLower())
-						                       return String.Compare(nameX, nameY, StringComparison.OrdinalIgnoreCase);
-					                       else
-					                       {
-											   if (PwDefs.IsTanEntry(x) && PwDefs.IsTanEntry(y))
-											   {
-												   //compare the user name fields (=TAN index)
-												   String userX = x.Strings.ReadSafe(PwDefs.UserNameField);
-												   String userY = y.Strings.ReadSafe(PwDefs.UserNameField);
-												   if (userX != userY)
-												   {
-													   try
-													   {
-														   return int.Parse(userX).CompareTo(int.Parse(userY));
-													   }
-													   catch (Exception)
-													   {
-														   //ignore
-													   }
-													   return String.Compare(userX, userY, StringComparison.OrdinalIgnoreCase);
-												   }
-											   }
+			GroupViewSortOrderManager sortOrderManager = new GroupViewSortOrderManager(_act);
+			var sortOrder = sortOrderManager.GetCurrentSortOrder();
 
-												//use creation time for non-tan entries:
-												   
-						                       return x.CreationTime.CompareTo(y.CreationTime);
-					                       }
-				                       }
-				);
+			if ( sortOrder.RequiresSort )
+			{
+				var sortGroups = sortOrderManager.SortGroups;
+				_groupsForViewing = new List<PwGroup>(_group.Groups);
+				_groupsForViewing.Sort( (x, y) =>
+					{
+						if (sortGroups)
+							return sortOrder.CompareGroups(x, y);
+						else
+							return String.Compare (x.Name, y.Name, true);
+					});
+				_entriesForViewing.Sort(sortOrder.CompareEntries);
 			} else {
 				_groupsForViewing =  new List<PwGroup>(_group.Groups);
 			}

src/keepass2android/Resources/menu/group.xml

@@ -49,7 +49,7 @@
 
 	<item android:id="@+id/menu_sort"
         android:icon="@android:drawable/ic_menu_sort_by_size"
-        android:title="@string/sort_name"
+        android:title="@string/sort_menu"
         android:showAsAction="never"
     />
     

src/keepass2android/Resources/values/config.xml

@@ -56,7 +56,9 @@
     <string name="omitbackup_key">omitbackup</string>    
     <string name="list_size_key">list_size</string>
 	<string name="design_key">design_key</string>
-	<string name="sort_key">sort_key</string>
+	<string name="sort_key_old">sort_key</string>
+	<string name="sort_key">sort_key_new</string>
+	<string name="sortgroups_key">sortgroups_key</string>
 	<string name="TanExpiresOnUse_key">TanExpiresOnUse_key</string>
 	<string name="ShowGroupnameInSearchResult_key">ShowGroupnameInSearchResult_key</string>
 	<string name="ShowUsernameInList_key">ShowUsernameInList_key</string>
@@ -67,7 +69,6 @@
     <string name="BinaryDirectory_default">/mnt/sdcard/keepass2android/binaries/</string>
     <bool name="maskpass_default">true</bool>
     <bool name="keyfile_default">true</bool>
-    <bool name="sort_default">true</bool>
     <bool name="omitbackup_default">true</bool>
     <bool name="TanExpiresOnUse_default">true</bool>
     <bool name="ShowUsernameInList_default">true</bool>

src/keepass2android/Resources/values/strings.xml

@@ -190,8 +190,13 @@
 	<string name="space">Space</string>
   <string name="search_label">Search</string>
   <string name="show_password">Show password</string>
+	<string name="sort_menu">Sort by...</string>
   <string name="sort_name">Sort by name</string>
   <string name="sort_db">Sort by creation date</string>
+	<string name="sort_moddate">Sort by modification date</string>
+	<string name="sort_default">Keep default order</string>
+	
+	
   <string name="special">Special</string>
   <string name="search_hint">Find what</string>
   <string name="search_results">Search results</string>