X-Git-Url: http://git.sourceforge.jp/view?p=applistation%2FAppliStation.git;a=blobdiff_plain;f=AppliStation%2FPackageListView.cs;h=484ceeb2ea0cf410152147ad837582c811f8c5e5;hp=2d4b1b18b68d8d9a28ec9d3ea959c67511fab0ef;hb=75dc11b85232808e0bb1a2e82ea3cae46936079f;hpb=0b276e34bc771e42865a9726a5ed4f88565affb9

diff --git a/AppliStation/PackageListView.cs b/AppliStation/PackageListView.cs
index 2d4b1b1..484ceeb 100644
--- a/AppliStation/PackageListView.cs
+++ b/AppliStation/PackageListView.cs
@@ -165,7 +165,7 @@ namespace AppliStation
 			// ソフトリストの中身のパッケージ
 			if ((filteringType & PackageListViewPkgTypeFilter.NotInstalled) != 0) {
 				foreach (Package pkg in pkgListMan.AvailablePkgList.Search(keyword)) {
-					if (Installation.GetPreferInstallerIndex(pkg) >= 0) { // インストール可能
+					if (Installation.IsInstallablePackage(pkg)) { // インストール可能
 						bool isInstalledAS = (pkgListMan.InstalledPkgList.GetPackageForName(pkg.Name) != null);
 						bool isInstalledSys = (pkgListMan.SystemInstalledPkgList.GetPackageForName(pkg.Name) != null);
 						
@@ -229,12 +229,26 @@ namespace AppliStation
 		
 		#region Sort関連
 		
+		/// <summary>
+		/// 選択しているコラムを設定あるいは取得を行う。
+		/// </summary>
+		public ColumnHeader SortColumn {
+			get {
+				return sortComparer.Column;
+			}
+			set {
+				sortColumn(value);
+			}
+		}
+		
 		protected void sortColumn(ColumnHeader column)
 		{
-			int columnIndex = column.Index;
+			int columnIndex = (column != null)? column.Index : -1;
 			SortOrder order = SortOrder.None;
 			
-			if (sortComparer.ColumnIndex == columnIndex) {
+			if (columnIndex < 0) {
+				sortComparer.Order = order = SortOrder.None;
+			} else if (sortComparer.ColumnIndex == columnIndex) {
 				order = (sortComparer.Order == SortOrder.Ascending)? SortOrder.Descending : SortOrder.Ascending;
 					
 				sortComparer.Order = order;