[f-spot/icon-view-cleanup: 6/24] Rename IBrowsableItemExtensions to IPhotoExtensions.

[Mike Gemünde <mgemuende src gnome org>]

commit 56c446116ab1c8e071f8f9899fb6e092413fa574
Author: Ruben Vermeersch <ruben savanne be>
Date:   Fri Aug 13 18:11:16 2010 +0200

    Rename IBrowsableItemExtensions to IPhotoExtensions.

 src/Core/FSpot.Core/FSpot.Core.csproj              |    2 +-
 .../FSpot.Core/IBrowsableItemExtensions.cs         |   37 -------------------
 src/Core/FSpot.Core/FSpot.Core/IPhotoExtensions.cs |   38 ++++++++++++++++++++
 src/Core/FSpot.Core/Makefile.am                    |    2 +-
 4 files changed, 40 insertions(+), 39 deletions(-)
---
diff --git a/src/Core/FSpot.Core/FSpot.Core.csproj b/src/Core/FSpot.Core/FSpot.Core.csproj
index c8bfaa0..c7e6e24 100644
--- a/src/Core/FSpot.Core/FSpot.Core.csproj
+++ b/src/Core/FSpot.Core/FSpot.Core.csproj
@@ -34,7 +34,6 @@
     <Compile Include="FSpot.Core\FileBrowsableItem.cs" />
     <Compile Include="FSpot.Core\IBrowsableItemChanges.cs" />
     <Compile Include="FSpot.Core\IBrowsableItemComparer.cs" />
-    <Compile Include="FSpot.Core\IBrowsableItemExtensions.cs" />
     <Compile Include="FSpot.Core\IBrowsableItemVersion.cs" />
     <Compile Include="FSpot.Core\IBrowsableItemVersionable.cs" />
     <Compile Include="FSpot.Core\IBrowsableCollection.cs" />
@@ -44,6 +43,7 @@
     <Compile Include="FSpot.Core\Roll.cs" />
     <Compile Include="FSpot.Core\Defines.cs" />
     <Compile Include="FSpot.Core\IPhoto.cs" />
+    <Compile Include="FSpot.Core\IPhotoExtensions.cs" />
   </ItemGroup>
   <ProjectExtensions>
     <MonoDevelop>
diff --git a/src/Core/FSpot.Core/FSpot.Core/IPhotoExtensions.cs b/src/Core/FSpot.Core/FSpot.Core/IPhotoExtensions.cs
new file mode 100644
index 0000000..b3219ef
--- /dev/null
+++ b/src/Core/FSpot.Core/FSpot.Core/IPhotoExtensions.cs
@@ -0,0 +1,38 @@
+using System;
+using System.IO;
+
+namespace FSpot.Core
+{
+    public static class IPhotoExtensions
+    {
+        public static int CompareDate (this IPhoto photo1, IPhoto photo2)
+        {
+            return DateTime.Compare (photo1.Time, photo2.Time);
+        }
+
+        public static int CompareName (this IPhoto photo1, IPhoto photo2)
+        {
+            return string.Compare (photo1.Name, photo2.Name);
+        }
+
+        public static int Compare (this IPhoto photo1, IPhoto photo2)
+        {
+            int result = photo1.CompareDate (photo2);
+            
+            if (result == 0)
+                result = CompareDefaultVersionUri (photo1, photo2);
+            
+            if (result == 0)
+                result = photo1.CompareName (photo2);
+            
+            return result;
+        }
+
+        public static int CompareDefaultVersionUri (this IPhoto photo1, IPhoto photo2)
+        {
+            var photo1_uri = Path.Combine (photo1.DefaultVersion.BaseUri, photo1.DefaultVersion.Filename);
+            var photo2_uri = Path.Combine (photo2.DefaultVersion.BaseUri, photo2.DefaultVersion.Filename);
+            return string.Compare (photo1_uri, photo2_uri);
+        }
+    }
+}
diff --git a/src/Core/FSpot.Core/Makefile.am b/src/Core/FSpot.Core/Makefile.am
index 4122375..c68f775 100644
--- a/src/Core/FSpot.Core/Makefile.am
+++ b/src/Core/FSpot.Core/Makefile.am
@@ -16,11 +16,11 @@ SOURCES =  \
 	FSpot.Core/IBrowsableCollection.cs \
 	FSpot.Core/IBrowsableItemChanges.cs \
 	FSpot.Core/IBrowsableItemComparer.cs \
-	FSpot.Core/IBrowsableItemExtensions.cs \
 	FSpot.Core/IBrowsableItemVersion.cs \
 	FSpot.Core/IBrowsableItemVersionable.cs \
 	FSpot.Core/ILoadable.cs \
 	FSpot.Core/IPhoto.cs \
+	FSpot.Core/IPhotoExtensions.cs \
 	FSpot.Core/PhotoChanges.cs \
 	FSpot.Core/PhotosChanges.cs \
 	FSpot.Core/Roll.cs \