Implemented folder selectorgtkmac-native-dialog

9 files changed, 467 insertions, 0 deletions

diff --git a/TestApps/Samples/MainWindow.cs b/TestApps/Samples/MainWindow.cs
index 560762b5..5c3b495e 100644
--- a/TestApps/Samples/MainWindow.cs
+++ b/TestApps/Samples/MainWindow.cs
@@ -74,6 +74,7 @@ namespace Samples
 			AddSample (w, "Clipboard", typeof(ClipboardSample));
 			AddSample (w, "ColorSelector", typeof(ColorSelectorSample));
 			AddSample (w, "FileSelector", typeof (FileSelectorSample));
+			AddSample (w, "FolderSelector", typeof (FolderSelectorSample));
 			AddSample (w, "FontSelector", typeof(FontSelectorSample));
 			AddSample (w, "ComboBox", typeof(ComboBoxes));
 			AddSample (w, "DatePicker", typeof(DatePickerSample));
diff --git a/TestApps/Samples/Samples.csproj b/TestApps/Samples/Samples.csproj
index ce4d8e89..071da1ae 100644
--- a/TestApps/Samples/Samples.csproj
+++ b/TestApps/Samples/Samples.csproj
@@ -115,6 +115,7 @@
     <Compile Include="Samples\FontSelectorSample.cs" />
     <Compile Include="Samples\ListViewEntries.cs" />
     <Compile Include="Samples\FileSelectorSample.cs" />
+    <Compile Include="Samples\FolderSelectorSample.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/TestApps/Samples/Samples/FolderSelectorSample.cs b/TestApps/Samples/Samples/FolderSelectorSample.cs
new file mode 100644
index 00000000..60fd3d25
--- /dev/null
+++ b/TestApps/Samples/Samples/FolderSelectorSample.cs
@@ -0,0 +1,44 @@
+//
+// FolderSelectorSample.cs
+//
+// Author:
+//       Lluis Sanchez Gual <lluis@xamarin.com>
+//
+// Copyright (c) 2016 Xamarin, Inc (http://www.xamarin.com)
+//
+// 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 Xwt;
+
+namespace Samples
+{
+	public class FolderSelectorSample: VBox
+	{
+		public FolderSelectorSample ()
+		{
+			FolderSelector fsel;
+			Label label;
+			PackStart (new Label ("An open file selector:"));
+			PackStart (fsel = new FolderSelector ());
+			PackStart (label = new Label ());
+			fsel.FolderChanged += (sender, e) => { label.Text = "Folder changed: " + fsel.Folder; };
+		}
+	}
+}
+
diff --git a/Xwt.Gtk.Mac/GtkMacSelectFolderBackend.cs b/Xwt.Gtk.Mac/GtkMacSelectFolderBackend.cs
new file mode 100644
index 00000000..2eec7b0e
--- /dev/null
+++ b/Xwt.Gtk.Mac/GtkMacSelectFolderBackend.cs
@@ -0,0 +1,109 @@
+//
+// GtkMacSelectFolderBackend.cs
+//
+// Author:
+//       Lluis Sanchez Gual <lluis@xamarin.com>
+//
+// Copyright (c) 2016 Xamarin, Inc (http://www.xamarin.com)
+//
+// 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 Xwt.Backends;
+using AppKit;
+using Foundation;
+using System.Linq;
+
+namespace Xwt.Gtk.Mac
+{
+	public class GtkMacSelectFolderBackend: NSOpenPanel, ISelectFolderDialogBackend
+	{
+		#region ISelectFolderDialogBackend implementation
+		public void Initialize (bool multiselect)
+		{
+			this.AllowsMultipleSelection = multiselect;
+			this.CanChooseFiles = false;
+			this.CanChooseDirectories = true;
+
+			this.Prompt = "Select Folder" + (multiselect ? "s" : "");
+		}
+
+		public bool Run (IWindowFrameBackend parent)
+		{
+			var returnValue = this.RunModal ();
+			return returnValue == 1;
+		}
+
+		public void Cleanup ()
+		{
+
+		}
+
+		public string Folder {
+			get {
+				return this.Url == null ? string.Empty : Url.Path;
+			}
+		}
+
+		public string [] Folders {
+			get {
+				return this.Urls.Length == 0 ? new string [0] : this.Urls.Select (x => x.Path).ToArray ();
+			}
+		}
+
+		public string CurrentFolder {
+			get {
+				return DirectoryUrl.AbsoluteString;
+			}
+			set {
+				this.DirectoryUrl = new NSUrl (value, true);
+			}
+		}
+
+		public bool CanCreateFolders {
+			get {
+				return false;
+			}
+			set {
+
+			}
+		}
+
+		#endregion
+
+		#region IBackend implementation
+
+		public void InitializeBackend (object frontend, ApplicationContext context)
+		{
+
+		}
+
+		public void EnableEvent (object eventId)
+		{
+
+		}
+
+		public void DisableEvent (object eventId)
+		{
+
+		}
+
+		#endregion		
+	}
+}
+
diff --git a/Xwt.Gtk.Mac/MacPlatformBackend.cs b/Xwt.Gtk.Mac/MacPlatformBackend.cs
index b2606e38..ea5bbdf9 100644
--- a/Xwt.Gtk.Mac/MacPlatformBackend.cs
+++ b/Xwt.Gtk.Mac/MacPlatformBackend.cs
@@ -46,6 +46,7 @@ namespace Xwt.Gtk.Mac
 			toolit.RegisterBackend <IPopoverBackend,GtkMacPopoverBackend> ();
 			toolit.RegisterBackend <IOpenFileDialogBackend, GtkMacOpenFileDialogBackend> ();
 			toolit.RegisterBackend <ISaveFileDialogBackend, GtkMacSaveFileDialogBackend> ();
+			toolit.RegisterBackend <ISelectFolderDialogBackend, GtkMacSelectFolderBackend> ();
 		}
 	}
 }
diff --git a/Xwt.Gtk.Mac/Xwt.Gtk.Mac.csproj b/Xwt.Gtk.Mac/Xwt.Gtk.Mac.csproj
index df711951..31e6bfce 100644
--- a/Xwt.Gtk.Mac/Xwt.Gtk.Mac.csproj
+++ b/Xwt.Gtk.Mac/Xwt.Gtk.Mac.csproj
@@ -49,6 +49,7 @@
     <Compile Include="GtkMacPopoverBackend.cs" />
     <Compile Include="GtkMacOpenFileDialogBackend.cs" />
     <Compile Include="GtkMacSaveFileDialogBackend.cs" />
+    <Compile Include="GtkMacSelectFolderBackend.cs" />
   </ItemGroup>
   <Import Project="..\BuildHelpers.targets" />
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
diff --git a/Xwt/Xwt.Backends/IFolderSelectorBackend.cs b/Xwt/Xwt.Backends/IFolderSelectorBackend.cs
new file mode 100644
index 00000000..430aff39
--- /dev/null
+++ b/Xwt/Xwt.Backends/IFolderSelectorBackend.cs
@@ -0,0 +1,66 @@
+//
+// IFolderSelectorBackend.cs
+//
+// Author:
+//       Lluis Sanchez Gual <lluis@xamarin.com>
+//
+// Copyright (c) 2016 Xamarin, Inc (http://www.xamarin.com)
+//
+// 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;
+namespace Xwt.Backends
+{
+	public interface IFolderSelectorBackend: IWidgetBackend
+	{
+		/// <summary>
+		/// Gets or sets the current folder.
+		/// </summary>
+		/// <value>The current folder.</value>
+		string CurrentFolder { get; set; }
+
+		/// <summary>
+		/// Gets or sets the path to the folder
+		/// </summary>
+		/// <value>The name of the folder.</value>
+		string Folder { get; set; }
+
+		/// <summary>
+		/// Gets or sets the title of the folder selection dialog
+		/// </summary>
+		/// <value>The title.</value>
+		string Title { get; set; }
+
+		/// <summary>
+		/// Gets or sets a value indicating whether the user can create folders when using the folder selection dialog
+		/// </summary>
+		bool CanCreateFolders { get; set; }
+
+	}
+
+	public interface IFolderSelectorEventSink : IWidgetEventSink
+	{
+		void OnFolderChanged ();
+	}
+
+	public enum FolderSelectorEvent
+	{
+		FolderChanged
+	}
+}
+
diff --git a/Xwt/Xwt.csproj b/Xwt/Xwt.csproj
index 2cf4e04b..59f900c5 100644
--- a/Xwt/Xwt.csproj
+++ b/Xwt/Xwt.csproj
@@ -339,6 +339,8 @@
     <Compile Include="Xwt.Drawing\StyleSet.cs" />
     <Compile Include="Xwt\FileSelector.cs" />
     <Compile Include="Xwt.Backends\IFileSelectorBackend.cs" />
+    <Compile Include="Xwt\FolderSelector.cs" />
+    <Compile Include="Xwt.Backends\IFolderSelectorBackend.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup />
diff --git a/Xwt/Xwt/FolderSelector.cs b/Xwt/Xwt/FolderSelector.cs
new file mode 100644
index 00000000..f544de2b
--- /dev/null
+++ b/Xwt/Xwt/FolderSelector.cs
@@ -0,0 +1,242 @@
+//
+// FolderSelector.cs
+//
+// Author:
+//       Lluis Sanchez Gual <lluis@xamarin.com>
+//
+// Copyright (c) 2016 Xamarin, Inc (http://www.xamarin.com)
+//
+// 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 Xwt.Backends;
+
+namespace Xwt
+{
+	[BackendType (typeof (IFolderSelectorBackend))]
+	public class FolderSelector: Widget
+	{
+		protected new class WidgetBackendHost : Widget.WidgetBackendHost, IFolderSelectorEventSink
+		{
+			protected override IBackend OnCreateBackend ()
+			{
+				var b = base.OnCreateBackend ();
+				if (b == null)
+					b = new DefaultFolderSelectorBackend ();
+				return b;
+			}
+
+			public void OnFolderChanged ()
+			{
+				((FolderSelector)Parent).OnFolderChanged (EventArgs.Empty);
+			}
+		}
+
+		static FolderSelector ()
+		{
+			MapEvent (FolderSelectorEvent.FolderChanged, typeof (FolderSelector), "OnFolderChanged");
+		}
+
+		public FolderSelector ()
+		{
+		}
+
+
+		protected override BackendHost CreateBackendHost ()
+		{
+			return new WidgetBackendHost ();
+		}
+
+		IFolderSelectorBackend Backend {
+			get { return (IFolderSelectorBackend)BackendHost.Backend; }
+		}
+
+		public string Title {
+			get { return Backend.Title; }
+			set { Backend.Title = value; }
+		}
+
+		/// <summary>
+		/// Gets the name of the folder that the user has selected
+		/// </summary>
+		/// <value>
+		/// The name of the folder, or null if no selection was made
+		/// </value>
+		public string Folder {
+			get { return Backend.Folder; }
+			set { Backend.Folder = value; }
+		}
+
+		/// <summary>
+		/// Gets or sets the folder to show when opening the folder selector dialog
+		/// </summary>
+		/// <value>
+		/// The current folder.
+		/// </value>
+		public string CurrentFolder {
+			get { return Backend.CurrentFolder; }
+			set { Backend.CurrentFolder = value; }
+		}
+
+		/// <summary>
+		/// Gets or sets a value indicating whether the user can create folders when using the folder selection dialog
+		/// </summary>
+		/// <value><c>true</c> if this instance can create folders; otherwise, <c>false</c>.</value>
+		public bool CanCreateFolders {
+			get { return Backend.CanCreateFolders; }
+			set { Backend.CanCreateFolders = value; }
+		}
+
+		protected virtual void OnFolderChanged (EventArgs args)
+		{
+			if (folderChanged != null)
+				folderChanged (this, args);
+		}
+
+		EventHandler folderChanged;
+
+		/// <summary>
+		/// Occurs when the font changed.
+		/// </summary>
+		public event EventHandler FolderChanged {
+			add {
+				BackendHost.OnBeforeEventAdd (FolderSelectorEvent.FolderChanged, folderChanged);
+				folderChanged += value;
+			}
+			remove {
+				folderChanged -= value;
+				BackendHost.OnAfterEventRemove (FolderSelectorEvent.FolderChanged, folderChanged);
+			}
+		}
+	}
+
+
+	class DefaultFolderSelectorBackend : XwtWidgetBackend, IFolderSelectorBackend
+	{
+		TextEntry entry;
+		SelectFolderDialog dialog;
+		string currentFolder;
+		string folderName;
+		bool enableFolderChangedEvent;
+		string title;
+		bool canCreateFolders;
+
+		public DefaultFolderSelectorBackend ()
+		{
+			var box = new HBox ();
+			entry = new TextEntry ();
+			entry.ReadOnly = true;
+			box.PackStart (entry, true);
+
+			var btn = new Button ("...");
+			box.PackStart (btn);
+			btn.Clicked += BtnClicked;
+			Content = box;
+		}
+
+		public string CurrentFolder {
+			get {
+				return dialog != null ? dialog.CurrentFolder : currentFolder;
+			}
+			set {
+				if (dialog != null)
+					dialog.CurrentFolder = value;
+				else
+					currentFolder = value;
+			}
+		}
+
+		public string Folder {
+			get { return dialog != null ? dialog.Folder : folderName; }
+
+			set {
+				folderName = value;
+				entry.Text = value;
+				if (enableFolderChangedEvent)
+					EventSink.OnFolderChanged ();
+			}
+		}
+
+		protected new IFolderSelectorEventSink EventSink {
+			get { return (IFolderSelectorEventSink)base.EventSink; }
+		}
+
+		public string Title {
+			get {
+				return title;
+			}
+
+			set {
+				title = value;
+				if (dialog != null)
+					dialog.Title = value;
+			}
+		}
+
+		public bool CanCreateFolders {
+			get {
+				return canCreateFolders;
+			}
+
+			set {
+				canCreateFolders = value;
+				if (dialog != null)
+					dialog.CanCreateFolders = value;
+			}
+		}
+
+		public override void EnableEvent (object eventId)
+		{
+			base.EnableEvent (eventId);
+			if (eventId is FolderSelectorEvent) {
+				switch ((FolderSelectorEvent)eventId) {
+				case FolderSelectorEvent.FolderChanged: enableFolderChangedEvent = true; break;
+				}
+			}
+		}
+
+		public override void DisableEvent (object eventId)
+		{
+			base.DisableEvent (eventId);
+			if (eventId is FolderSelectorEvent) {
+				switch ((FolderSelectorEvent)eventId) {
+				case FolderSelectorEvent.FolderChanged: enableFolderChangedEvent = false; break;
+				}
+			}
+		}
+
+		void BtnClicked (object sender, EventArgs e)
+		{
+			dialog = new SelectFolderDialog ();
+
+			try {
+				if (!string.IsNullOrEmpty (currentFolder))
+					dialog.CurrentFolder = currentFolder;
+				if (!string.IsNullOrEmpty (title))
+					dialog.Title = title;
+				if (dialog.Run (ParentWindow))
+					Folder = dialog.Folder;
+			} finally {
+				currentFolder = dialog.CurrentFolder;
+				dialog.Dispose ();
+				dialog = null;
+			}
+		}
+	}
+}
+