Add GridViewColumnAutoSize

ILSpy/Controls/GridViewColumnAutoSize.cs

@@ -0,0 +1,97 @@
+// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
+// 
+// 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 System.Diagnostics;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace ICSharpCode.ILSpy.Controls
+{
+	/// <summary>
+	/// This class adds the AutoWidth property to the WPF ListView.
+	/// It supports a semi-colon-separated list of values, for each defined cell.
+	/// Each value can either be a fixed size double, or a percentage.
+	/// The sizes of columns with a percentage will be calculated from the
+	/// remaining width (after assigning the fixed sizes).
+	/// Examples: 50%;25%;25% or 30;100%;50
+	/// </summary>
+	public class GridViewColumnAutoSize
+	{
+		// This class was copied from ICSharpCode.Core.Presentation.
+
+		public static readonly DependencyProperty AutoWidthProperty =
+			DependencyProperty.RegisterAttached("AutoWidth", typeof(string), typeof(GridViewColumnAutoSize),
+			                                    new FrameworkPropertyMetadata(null, AutoWidthPropertyChanged));
+		
+		public static string GetAutoWidth(DependencyObject obj)
+		{
+			return (string)obj.GetValue(AutoWidthProperty);
+		}
+		
+		public static void SetAutoWidth(DependencyObject obj, string value)
+		{
+			obj.SetValue(AutoWidthProperty, value);
+		}
+		
+		static void AutoWidthPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
+		{
+			ListView grid = sender as ListView;
+			if (grid == null) return;
+			grid.SizeChanged += delegate(object listView, SizeChangedEventArgs e) {
+				ListView lv = listView as ListView;
+				if (lv == null) return;
+				GridView v = lv.View as GridView;
+				if (v == null) return;
+				CalculateSizes(v, GetAutoWidth(lv), e.NewSize.Width);
+			};
+			GridView view = grid.View as GridView;
+			if (view == null) return;
+			CalculateSizes(view, args.NewValue as string, grid.ActualWidth);
+		}
+		
+		static void CalculateSizes(GridView view, string sizeValue, double fullWidth)
+		{
+			string[] sizes = (sizeValue ?? "").Split(';');
+			
+			Debug.Assert(sizes.Length == view.Columns.Count);
+			Dictionary<int, Func<double, double>> percentages = new Dictionary<int, Func<double, double>>();
+			double remainingWidth = fullWidth - 30; // 30 is a good offset for the scrollbar
+			
+			for (int i = 0; i < view.Columns.Count; i++) {
+				var column = view.Columns[i];
+				double size;
+				bool isPercentage = !double.TryParse(sizes[i], out size);
+				if (isPercentage) {
+					size = double.Parse(sizes[i].TrimEnd('%', ' '));
+					percentages.Add(i, w => w * size / 100.0);
+				} else {
+					column.Width = size;
+					remainingWidth -= size;
+				}
+			}
+			
+			if (remainingWidth < 0) return;
+			foreach (var p in percentages) {
+				var column = view.Columns[p.Key];
+				column.Width = p.Value(remainingWidth);
+			}
+		}
+	}
+}

ILSpy/ILSpy.csproj

@@ -89,6 +89,7 @@
     <Compile Include="Controls\CustomDialog.cs">
       <SubType>Form</SubType>
     </Compile>
+    <Compile Include="Controls\GridViewColumnAutoSize.cs" />
     <Compile Include="Controls\MarkupExtensions.cs" />
     <Compile Include="Controls\ResourceObjectTable.xaml.cs">
       <DependentUpon>ResourceObjectTable.xaml</DependentUpon>