add Project list custom sorting (fixes #48)

Author: unitycoder

UnityLauncherPro/Data/Project.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Diagnostics;
 using System.Globalization;
 using System.Windows.Data;
 
@@ -12,9 +11,9 @@ public class Project : IValueConverter
         public string Path { set; get; }
         public DateTime? Modified { set; get; }
         public string Arguments { set; get; }
-        public string GITBranch { set; get; }
+        public string GITBranch { set; get; } // TODO rename to Branch
         //public string TargetPlatform { set; get; }
-        public string TargetPlatform { set; get; }
+        public string TargetPlatform { set; get; } // TODO rename to Platform
         public string[] TargetPlatforms { set; get; }
         public bool folderExists { set; get; }
 

UnityLauncherPro/MainWindow.xaml

@@ -520,7 +520,7 @@
                     <Button Style="{StaticResource CustomButton}" ToolTip="Add existing project" x:Name="btnAddProjectFolder" Content="Add Project.." Height="22" Width="78" HorizontalAlignment="Right" VerticalAlignment="Top"  Margin="0,4,34,0" Click="BtnAddProjectFolder_Click" BorderBrush="{x:Null}" TabIndex="10" />
                     <Button Style="{StaticResource CustomButton}" ToolTip="Refresh list (F5)" x:Name="btnRefreshProjectList" Content="⟳" Height="22" Width="22" HorizontalAlignment="Right" VerticalAlignment="Top" FontSize="16"  Margin="0,4,3,0" Padding="1,-2,1,1" BorderBrush="{x:Null}" Click="BtnRefreshProjectList_Click" TabIndex="11"/>
 
-                    <DataGrid x:Name="gridRecent" HorizontalContentAlignment="Left" VerticalContentAlignment="Top" SelectionMode="Single" Margin="4,30,2,42" CanUserAddRows="False" Background="{x:Null}" BorderBrush="{x:Null}" ColumnHeaderStyle="{StaticResource HeaderStyle}" Padding="0" HorizontalScrollBarVisibility="Disabled" HeadersVisibility="Column" Foreground="{DynamicResource ThemeGridForeground}" HorizontalGridLinesBrush="{DynamicResource ThemeDatagridLines}" VerticalGridLinesBrush="{DynamicResource ThemeGridVerticalGridLines}" AutoGenerateColumns="False" PreviewKeyDown="GridRecent_PreviewKeyDown" Loaded="GridRecent_Loaded" TabIndex="2" CellEditEnding="GridRecent_CellEditEnding" PreviewMouseDoubleClick="GridRecent_PreviewMouseDoubleClick" ContextMenuOpening="GridRecent_ContextMenuOpening" BeginningEdit="GridRecent_BeginningEdit" RowHeight="21" ColumnReordered="GridRecent_ColumnReordered" >
+                    <DataGrid x:Name="gridRecent" HorizontalContentAlignment="Left" VerticalContentAlignment="Top" SelectionMode="Single" Margin="4,30,2,42" CanUserAddRows="False" Background="{x:Null}" BorderBrush="{x:Null}" ColumnHeaderStyle="{StaticResource HeaderStyle}" Padding="0" HorizontalScrollBarVisibility="Disabled" HeadersVisibility="Column" Foreground="{DynamicResource ThemeGridForeground}" HorizontalGridLinesBrush="{DynamicResource ThemeDatagridLines}" VerticalGridLinesBrush="{DynamicResource ThemeGridVerticalGridLines}" AutoGenerateColumns="False" PreviewKeyDown="GridRecent_PreviewKeyDown" Loaded="GridRecent_Loaded" TabIndex="2" CellEditEnding="GridRecent_CellEditEnding" PreviewMouseDoubleClick="GridRecent_PreviewMouseDoubleClick" ContextMenuOpening="GridRecent_ContextMenuOpening" BeginningEdit="GridRecent_BeginningEdit" RowHeight="21" ColumnReordered="GridRecent_ColumnReordered" Sorting="gridRecent_Sorting" >
 
                         <DataGrid.CommandBindings>
                             <CommandBinding Command="ApplicationCommands.Copy" Executed="CopyRowFolderToClipBoard" CanExecute="CanExecute_Copy"/>

UnityLauncherPro/MainWindow.xaml.cs

@@ -2563,6 +2563,85 @@ private void menuItemCopyPathToClipboard_Click(object sender, RoutedEventArgs e)
             Clipboard.SetText(path);
         }
 
+        private void gridRecent_Sorting(object sender, DataGridSortingEventArgs e)
+        {
+            SortHandler(sender, e);
+        }
+
+        // https://stackoverflow.com/a/2130557/5452781
+        void SortHandler(object sender, DataGridSortingEventArgs e)
+        {
+            DataGridColumn column = e.Column;
+
+            //Console.WriteLine("Sorted by " + column.Header);
+
+            IComparer comparer = null;
+
+            // prevent the built-in sort from sorting
+            e.Handled = true;
+
+            ListSortDirection direction = (column.SortDirection != ListSortDirection.Ascending) ? ListSortDirection.Ascending : ListSortDirection.Descending;
+
+            //set the sort order on the column
+            column.SortDirection = direction;
+
+            //use a ListCollectionView to do the sort.
+            ListCollectionView lcv = (ListCollectionView)CollectionViewSource.GetDefaultView(gridRecent.ItemsSource);
+
+            comparer = new CustomProjectSort(direction, column.Header.ToString());
+
+            //apply the sort
+            lcv.CustomSort = comparer;
+        }
+
+        public class CustomProjectSort : IComparer
+        {
+            private ListSortDirection direction;
+            private string sortBy;
+
+            public CustomProjectSort(ListSortDirection direction, string sortBy)
+            {
+                this.direction = direction;
+                this.sortBy = sortBy;
+            }
+
+            // TODO cleanup this
+            public int Compare(Object a, Object b)
+            {
+                switch (sortBy)
+                {
+                    case "Project":
+                        return direction == ListSortDirection.Ascending ? ((Project)a).Title.CompareTo(((Project)b).Title) : ((Project)b).Title.CompareTo(((Project)a).Title);
+                    case "Version":
+                        return direction == ListSortDirection.Ascending ? Tools.VersionAsInt(((Project)a).Version).CompareTo(Tools.VersionAsInt(((Project)b).Version)) : Tools.VersionAsInt(((Project)b).Version).CompareTo(Tools.VersionAsInt(((Project)a).Version));
+                    case "Path":
+                        return direction == ListSortDirection.Ascending ? ((Project)a).Path.CompareTo(((Project)b).Path) : ((Project)b).Path.CompareTo(((Project)a).Path);
+                    case "Modified":
+                        return direction == ListSortDirection.Ascending ? ((DateTime)((Project)a).Modified).CompareTo(((Project)b).Modified) : ((DateTime)((Project)b).Modified).CompareTo(((Project)a).Modified);
+                    case "Arguments":
+                        // handle null values
+                        if (((Project)a).Arguments == null && ((Project)b).Arguments == null) return 0;
+                        if (((Project)a).Arguments == null) return direction == ListSortDirection.Ascending ? -1 : 1;
+                        if (((Project)b).Arguments == null) return direction == ListSortDirection.Ascending ? 1 : -1;
+                        return direction == ListSortDirection.Ascending ? ((Project)a).Arguments.CompareTo(((Project)b).Arguments) : ((Project)b).Arguments.CompareTo(((Project)a).Arguments);
+                    case "Branch":
+                        // handle null values
+                        if (((Project)a).GITBranch == null && ((Project)b).GITBranch == null) return 0;
+                        if (((Project)a).GITBranch == null) return direction == ListSortDirection.Ascending ? -1 : 1;
+                        if (((Project)b).GITBranch == null) return direction == ListSortDirection.Ascending ? 1 : -1;
+                        return direction == ListSortDirection.Ascending ? ((Project)a).GITBranch.CompareTo(((Project)b).GITBranch) : ((Project)b).GITBranch.CompareTo(((Project)a).GITBranch);
+                    case "Platform":
+                        // handle null values
+                        if (((Project)a).TargetPlatform == null && ((Project)b).TargetPlatform == null) return 0;
+                        if (((Project)a).TargetPlatform == null) return direction == ListSortDirection.Ascending ? -1 : 1;
+                        if (((Project)b).TargetPlatform == null) return direction == ListSortDirection.Ascending ? 1 : -1;
+                        return direction == ListSortDirection.Ascending ? ((Project)a).TargetPlatform.CompareTo(((Project)b).TargetPlatform) : ((Project)b).TargetPlatform.CompareTo(((Project)a).TargetPlatform);
+                    default:
+                        return 0;
+                }
+            }
+        }
+
         //private void BtnBrowseTemplateUnityPackagesFolder_Click(object sender, RoutedEventArgs e)
         //{
         //    var folder = Tools.BrowseForOutputFolder("Select unitypackage Templates folder");