[Ide] Added support for file filters in FileEntry and FolderEntry

4 files changed, 145 insertions, 2 deletions

diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/BaseFileEntry.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/BaseFileEntry.cs
index a6f47047f7..2c25e7ac35 100644
--- a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/BaseFileEntry.cs
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/BaseFileEntry.cs
@@ -41,6 +41,7 @@ namespace MonoDevelop.Components {
 		Entry text;
 		Button browse;
 		bool loading;
+		protected FileFilterSet filterSet = new FileFilterSet ();
 		
 		public event EventHandler PathChanged;
 		
@@ -92,6 +93,10 @@ namespace MonoDevelop.Components {
 			}
 		}
 		
+		public FileFilterSet FileFilters {
+			get { return filterSet; }
+		}
+		
 		void OnButtonClicked (object o, EventArgs args)
 		{
 			string start_in;
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FileEntry.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FileEntry.cs
index e342cd034f..f46d1f19eb 100644
--- a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FileEntry.cs
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FileEntry.cs
@@ -50,8 +50,8 @@ namespace MonoDevelop.Components {
 			if (start_in != null)
 				fd.InitialFileName = start_in;
 			
+			fd.SetFilters (filterSet);
 			fd.TransientFor = GetTransientFor ();
-			
 			if (fd.Run ())
 				return fd.SelectedFile;
 			else
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FileFilterSet.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FileFilterSet.cs
new file mode 100644
index 0000000000..f15d3346b7
--- /dev/null
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FileFilterSet.cs
@@ -0,0 +1,138 @@
+// 
+// FileFilterSet.cs
+//  
+// Author:
+//       Lluis Sanchez <lluis@xamarin.com>
+// 
+// Copyright (c) 2011 Xamarin Inc
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+using System;
+using System.Collections.Generic;
+using MonoDevelop.Components.Extensions;
+using Mono.Addins;
+using MonoDevelop.Core;
+
+namespace MonoDevelop.Components
+{
+	public class FileFilterSet
+	{
+		List<SelectFileDialogFilter> filters = new List<SelectFileDialogFilter> ();
+		
+		internal FileFilterSet ()
+		{
+		}
+		
+		public SelectFileDialogFilter DefaultFilter { get; set; }  
+		
+		internal IList<SelectFileDialogFilter> Filters {
+			get { return filters; }
+		}
+		
+		public SelectFileDialogFilter AddFilter (string label, params string[] patterns)
+		{
+			return AddFilter (new SelectFileDialogFilter (label, patterns));
+		}
+		
+		public SelectFileDialogFilter AddFilter (SelectFileDialogFilter filter)
+		{
+			if (useDefaultFilters)
+				throw new InvalidOperationException ("Cannot mix default filters and custom filters");
+			filters.Add (filter);
+			return filter;
+		}
+		
+		public SelectFileDialogFilter AddAllFilesFilter ()
+		{
+			return AddFilter (SelectFileDialogFilter.AllFiles);
+		}
+		
+		public bool HasFilters {
+			get {
+				return filters.Count > 0;
+			}
+		}
+		
+		/// <summary>
+		/// Adds the default file filters registered by MD core and addins. Includes the All Files filter.
+		/// </summary>
+		public void AddDefaultFileFilters ()
+		{
+			if (HasFilters)
+				throw new InvalidOperationException ("Cannot mix default filters and custom filters");
+			if (useDefaultFilters)
+				throw new InvalidOperationException ("Already called");
+			
+			useDefaultFilters = true;
+			
+			foreach (var f in GetDefaultFilters ())
+				filters.Add (f);
+			filters.Add (SelectFileDialogFilter.AllFiles);
+			
+			LoadDefaultFilter ();
+		}
+		
+		static IEnumerable<SelectFileDialogFilter> GetDefaultFilters ()
+		{
+			foreach (var f in ParseFilters (AddinManager.GetExtensionObjects ("/MonoDevelop/Ide/ProjectFileFilters")))
+				yield return f;
+			foreach (var f in ParseFilters (AddinManager.GetExtensionObjects ("/MonoDevelop/Ide/FileFilters")))
+				yield return f;
+		}
+		
+		static IEnumerable<SelectFileDialogFilter> ParseFilters (System.Collections.IEnumerable filterStrings)
+		{
+			if (filterStrings == null)
+				yield break;
+			foreach (string filterStr in filterStrings) {
+				var parts = filterStr.Split ('|');
+				var f = new SelectFileDialogFilter (parts[0], parts[1].Split (';'));
+				yield return f;
+			}
+		}
+		
+		bool useDefaultFilters;
+		
+		///<summary>Loads last default filter from MD prefs</summary>
+		void LoadDefaultFilter ()
+		{
+			// Load last used filter pattern
+			var lastPattern = PropertyService.Get ("Monodevelop.FileSelector.LastPattern", "*");
+			foreach (var filter in Filters) {
+				if (filter.Patterns != null && filter.Patterns.Contains (lastPattern)) {
+					DefaultFilter = filter;
+					break;
+				}
+			}
+		}
+		
+		///<summary>Saves last default filter to MD prefs, if necessary</summary>
+		internal void SaveDefaultFilter ()
+		{
+			if (!useDefaultFilters)
+				return;
+			
+			// Save active filter
+			//it may be null if e.g. SetSelectedFile was used
+			if (DefaultFilter != null && DefaultFilter.Patterns != null && DefaultFilter.Patterns.Count > 0)
+				PropertyService.Set ("Monodevelop.FileSelector.LastPattern", DefaultFilter.Patterns[0]);
+		}
+	}
+}
+
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FolderEntry.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FolderEntry.cs
index 63e5c2f34e..b01fb9380b 100644
--- a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FolderEntry.cs
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/FolderEntry.cs
@@ -50,7 +50,7 @@ namespace MonoDevelop.Components {
 			SelectFolderDialog fd = new SelectFolderDialog (name);
 			if (start_in != null)
 				fd.InitialFileName = start_in;
-			
+			fd.SetFilters (filterSet);
 			fd.TransientFor = GetTransientFor ();
 			
 			if (fd.Run ())