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AppliStation-GUI,「複数ソフト同時インストール機能」右クリックのメニュー表示の修正
[applistation/AppliStation.git] / AppliStation / PackageListViewForm.cs
index a2ac143..4c96fa4 100644 (file)
@@ -1,4 +1,4 @@
-using System;\r
+using System;\r
 using System.Drawing;\r
 using System.Windows.Forms;\r
 using NaGet.Packages;\r
@@ -30,59 +30,76 @@ namespace AppliStation
                        this.Icon = Icon.ExtractAssociatedIcon(Application.ExecutablePath);\r
                }\r
                \r
-               void PackageListViewSelectedIndexChanged(object sender, EventArgs e)\r
+               private void ShowInfoToDetailBoxFor(Package pkg)\r
                {\r
-                       bool installBtnEnabled = false;\r
-                       bool uninstallBtnEnabled = false;\r
-                       \r
                        detailBox.Clear();\r
-                       foreach (ListViewItem item in packageListView.SelectedItems) {\r
-                               Package pkg = (Package) item.Tag;\r
-                               \r
-                               bool isInstalledPackage = pkg is InstalledPackage;\r
-                               uninstallBtnEnabled = isInstalledPackage;\r
-                               installBtnEnabled = ! isInstalledPackage;\r
+                       \r
+                       detailBox.SelectionFont = new Font(detailBox.Font.FontFamily, 12);\r
+                       detailBox.SelectedText += string.Format("{0} ({1})\r\n", pkg.Name, pkg.Version);\r
+                       if (! string.IsNullOrEmpty(pkg.Tags) ) {\r
+                               detailBox.SelectionFont = new Font(detailBox.Font.FontFamily, 8);\r
+                               detailBox.SelectedText += string.Format("タグ: {0}\r\n", pkg.Tags);\r
+                       }\r
+                       if (pkg is InstalledPackage) {\r
+                               InstalledPackage iPkg = (InstalledPackage) pkg;\r
+                               System.Text.StringBuilder sb = new System.Text.StringBuilder();\r
+                               if (iPkg.UninstallInfo.InstallDate != null) {\r
+                                       sb.AppendFormat("インストールした日: {0:d}  ", iPkg.UninstallInfo.InstallDate.Value);\r
+                               }\r
+                               if (iPkg.UninstallInfo.EstimatedSize > 0) {\r
+                                       sb.AppendFormat("サイズ: {0}  ", NaGet.Utils.FormatSize(iPkg.UninstallInfo.EstimatedSize*1024));\r
+                               }\r
                                \r
-                               detailBox.SelectionFont = new Font(detailBox.Font.FontFamily, 12);\r
-                               detailBox.SelectedText += string.Format("{0} ({1})\r\n", pkg.Name, pkg.Version);\r
-                               if (! string.IsNullOrEmpty(pkg.Tags) ) {\r
+                               if (sb.Length > 0) {\r
                                        detailBox.SelectionFont = new Font(detailBox.Font.FontFamily, 8);\r
-                                       detailBox.SelectedText += string.Format("\83^\83O: {0}\r\n", pkg.Tags);\r
-                               }\r
-                               if (isInstalledPackage) {\r
-                                       InstalledPackage iPkg = (InstalledPackage) pkg;\r
-                                       System.Text.StringBuilder sb = new System.Text.StringBuilder();\r
-                                       if (iPkg.UninstallInfo.InstallDate != null) {\r
-                                               sb.AppendFormat("\83C\83\93\83X\83g\81[\83\8b\82µ\82½\93ú: {0:d}  ", iPkg.UninstallInfo.InstallDate.Value);\r
-                                       }\r
-                                       if (iPkg.UninstallInfo.EstimatedSize > 0) {\r
-                                               sb.AppendFormat("\83T\83C\83Y: {0}  ", NaGet.Utils.FormatSize(iPkg.UninstallInfo.EstimatedSize*1024));\r
-                                       }\r
-                                       \r
-                                       if (sb.Length > 0) {\r
-                                               detailBox.SelectionFont = new Font(detailBox.Font.FontFamily, 8);\r
-                                               detailBox.SelectedText += sb.ToString();\r
-                                               detailBox.SelectedText += "\r\n";\r
-                                       }\r
+                                       detailBox.SelectedText += sb.ToString();\r
+                                       detailBox.SelectedText += "\r\n";\r
                                }\r
-                               detailBox.SelectionFont = detailBox.Font;\r
-                               if (pkg.Url != null && pkg.Url.Href != null) {\r
-                                       detailBox.SelectedText += "\8cö\8e®\83T\83C\83g: " + pkg.Url.Href + "\r\n";\r
+                       }\r
+                       detailBox.SelectionFont = detailBox.Font;\r
+                       if (pkg.Url != null && pkg.Url.Href != null) {\r
+                               detailBox.SelectedText += "公式サイト: " + pkg.Url.Href + "\r\n";\r
+                       }\r
+                       detailBox.SelectedText += pkg.Summary;\r
+               }\r
+               \r
+               void PackageListViewSelectedIndexChanged(object sender, EventArgs e)\r
+               {\r
+                       uint installPkgCount = 0;\r
+                       uint uninstallPkgCount = 0;\r
+                       bool installBtnEnabled, uninstallBtnEnabled;\r
+                       \r
+                       Package[] selectedPkgs = SelectedPackages<Package>();\r
+                       foreach (Package pkg in selectedPkgs) {\r
+                               if (pkg is InstalledPackage) {\r
+                                       uninstallPkgCount ++;\r
+                               } else {\r
+                                       installPkgCount ++;\r
                                }\r
-                               detailBox.SelectedText += pkg.Summary;\r
-                               \r
-                               break;\r
                        }\r
+                       installBtnEnabled = (installPkgCount > 0) && (uninstallPkgCount == 0);\r
+                       uninstallBtnEnabled = (uninstallPkgCount == 1) && (installPkgCount == 0);\r
                        \r
                        uninstallToolStripButton.Visible = uninstallBtnEnabled;\r
                        installToolStripButton.Visible = installBtnEnabled;\r
                        packageCommandsToolStripSeparator.Visible = uninstallBtnEnabled || installBtnEnabled;\r
                        \r
-                       if (packageListView.SelectedItems.Count <= 0) {\r
-                               detailBox.SelectionFont = detailBox.Font;\r
-                               int count = packageListView.Items.Count;\r
-                               detailBox.Text = (count > 0) ? string.Format("{0}\8cÂ\82Ì\83\\83t\83g\82ª\82 \82è\82Ü\82·\81B", count)\r
-                                       : "\8aY\93\96\82·\82é\83\\83t\83g\82ª\82 \82è\82Ü\82¹\82ñ\81B";\r
+                       switch (selectedPkgs.Length) {\r
+                               case 0:\r
+                                       detailBox.SelectionFont = detailBox.Font;\r
+                                       int count = packageListView.Items.Count;\r
+                                       detailBox.Text = (count > 0) ? string.Format("{0}個のソフトがあります。", count)\r
+                                               : "該当するソフトがありません。";\r
+                                       break;\r
+                               case 1:\r
+                                       ShowInfoToDetailBoxFor(selectedPkgs[0]);\r
+                                       break;\r
+                               default: // case 2 and over:\r
+                                       detailBox.SelectionFont = detailBox.Font;\r
+                                       detailBox.Text = (installBtnEnabled)? string.Format("{0}個のソフトが選択されています。", installPkgCount) :\r
+                                               (uninstallBtnEnabled)? string.Format("{0}個のインストール済みのソフトが選択されています。", uninstallPkgCount) :\r
+                                               string.Format("{0}個のソフトが選択されています。\r\n(うち{1}個はインストール済み、{2}個はインストール可能)", installPkgCount+uninstallPkgCount, uninstallPkgCount, installPkgCount);\r
+                                       break;\r
                        }\r
                        \r
                        detailBox.SelectionStart = 0;\r
@@ -132,7 +149,7 @@ namespace AppliStation
                        }\r
                        AppliStation.Util.NativeMethods.ColumnHeader_SetSortState(packageListView, e.Column, order);\r
                        \r
-                       // \83\\81[\83g\91Î\8fÛ\97ñ\82Ì\90F\95t\82¯\r
+                       // ソート対象列の色付け\r
                        try {\r
                                // SendMessage(hWnd, LVM_SETSELECTEDCOLUMN, column, NULL);\r
                                AppliStation.Util.NativeMethods.SendMessage(packageListView.Handle, 0x1000+140, (uint) e.Column, 0);\r
@@ -153,7 +170,7 @@ namespace AppliStation
                        installedSysPackageFilterToolStripMenuItem.Image = ((Icon)(resources.GetObject("sysinstalled.Icon"))).ToBitmap();\r
                }\r
                \r
-               #region PackageFilter\8aÖ\98A\r
+               #region PackageFilter関連\r
                \r
                private enum PackageFilterIndex : int\r
                {\r
@@ -228,11 +245,11 @@ namespace AppliStation
                        \r
                        if (currentPackageFilter == PackageFilterIndex.All || currentPackageFilter == PackageFilterIndex.NotInstalled) {\r
                                foreach (Package pkg in pkgListsMan.AvailablePkgList.Search(searchTextBox.Text)) {\r
-                                       if (Installation.GetPreferInstallerIndex(pkg) >= 0) { // \83C\83\93\83X\83g\81[\83\8b\89Â\94\\r
+                                       if (Installation.GetPreferInstallerIndex(pkg) >= 0) { // インストール可能\r
                                                if (currentPackageFilter == PackageFilterIndex.NotInstalled &&\r
                                                    (pkgListsMan.InstalledPkgList.GetPackageForName(pkg.Name) != null||\r
                                                     pkgListsMan.SystemInstalledPkgList.GetPackageForName(pkg.Name) != null) ) {\r
-                                                       continue; // \83C\83\93\83X\83g\81[\83\8b\8dÏ\82Ý\82Í\8e\9f\82Ì\83\8b\81[\83v\82Ö(\96¢\83C\83\93\83X\83g\81[\83\8b\83\\83t\83g\92\8a\8fo\8e\9e)\r
+                                                       continue; // インストール済みは次のループへ(未インストールソフト抽出時)\r
                                                }\r
                                                \r
                                                ListViewItem item = new ListViewItem(new string[]{pkg.Name, pkg.Version, pkg.Summary});\r
@@ -282,12 +299,11 @@ namespace AppliStation
                        AppliStation.Util.ExecutionProgressViewer prog = new AppliStation.Util.ExecutionProgressViewer();\r
                        prog.Shown += delegate(object sender2, EventArgs e2) {\r
                                NaGet.SubCommands.NaGetUpdate tasks = new NaGet.SubCommands.NaGetUpdate(pkgListsMan, downloadPackageListsFlag);\r
-                               tasks.Downloader = prog.Downloader;\r
                                prog.SetTaskSet(tasks);\r
                                prog.Refresh();\r
                                prog.StartTaskSet();\r
                        };\r
-                       prog.Text = "\83\8a\83X\83g\82Ì\8dX\90V";\r
+                       prog.Text = "リストの更新";\r
                        prog.ShowDialog(this);\r
                }\r
                        \r
@@ -305,7 +321,7 @@ namespace AppliStation
                        UpdatePackageList();\r
                }\r
                \r
-               #region searchTextBox\82Ü\82í\82è\r
+               #region searchTextBoxまわり\r
                \r
                void SearchTextBoxKeyPress(object sender, KeyPressEventArgs e)\r
                {\r
@@ -326,52 +342,51 @@ namespace AppliStation
                \r
                #endregion\r
                \r
-               internal void installActionInvoke(Package[] pkgs)\r
+               internal void installActionInvoke(Installation[] insts)\r
                {\r
                        AppliStation.Util.ExecutionProgressViewer prog = new AppliStation.Util.ExecutionProgressViewer();\r
                        prog.Shown += delegate(object sender2, EventArgs e2) {\r
-                               NaGet.SubCommands.NaGetInstall tasks = new NaGet.SubCommands.NaGetInstall(pkgListsMan, pkgs);\r
-                               tasks.Downloader = prog.Downloader;\r
+                               NaGet.SubCommands.NaGetInstall tasks = new NaGet.SubCommands.NaGetInstall(pkgListsMan, insts);\r
                                prog.SetTaskSet(tasks);\r
                                prog.Refresh();\r
                                prog.StartTaskSet();\r
                        };\r
-                       prog.Text = string.Format("\83\\83t\83g\83E\83F\83A\82Ì\83C\83\93\83X\83g\81[\83\8b");\r
+                       prog.Text = string.Format("ソフトウェアのインストール");\r
                        prog.ShowDialog(this);\r
                }\r
                \r
                void InstallToolStripButtonClick(object sender, EventArgs e)\r
                {\r
-                       PackagesInstallConfirmForm confirm = new PackagesInstallConfirmForm();\r
+                       InstallationConfirmForm confirm = new InstallationConfirmForm();\r
                        confirm.PkgListsManager = pkgListsMan;\r
-                       confirm.Packages = SelectedPackages<Package>();\r
+                       confirm.Installations = Installation.ConvertInstallations(SelectedPackages<Package>());\r
                        confirm.UseRunas = confirm.GetShouldUseRunas();\r
                        DialogResult result = confirm.ShowDialog(this);\r
                        \r
                        if (result == DialogResult.OK) {\r
-                               Package[] instPkgs = confirm.CheckedPackages;\r
+                               Installation[] insts = confirm.CheckedInstallations;\r
                                \r
                                if (confirm.UseRunas) {\r
-                                       installRunasActionInvoke(instPkgs);\r
+                                       installRunasActionInvoke(insts);\r
                                } else {\r
-                                       installActionInvoke(instPkgs);\r
+                                       installActionInvoke(insts);\r
                                }\r
                                \r
                                UpdatePackageList();\r
                        }\r
                }\r
                \r
-               public void installRunasActionInvoke(Package[] pkgs)\r
+               public void installRunasActionInvoke(Installation[] insts)\r
                {\r
-                       this.Enabled = false;\r
+                       this.setWindowEnabled(false);\r
                        \r
-                       string tmpfileName = System.IO.Path.GetTempFileName();\r
+                       string tmpfileName = Path.GetTempFileName();\r
                        try {\r
-                               NaGet.Utils.PutSerializeObject(tmpfileName, pkgs);\r
+                               NaGet.Utils.PutSerializeObject(tmpfileName, insts);\r
                                \r
                                System.Diagnostics.ProcessStartInfo procInfo = new System.Diagnostics.ProcessStartInfo();\r
                                procInfo.FileName = Application.ExecutablePath;\r
-                               procInfo.Arguments = string.Format("--noupdate --cmd=install \"--pkgsref={0}\"", tmpfileName);\r
+                               procInfo.Arguments = string.Format("--noupdate --cmd=install \"--instsref={0}\"", tmpfileName);\r
                                procInfo.Verb = "runas";\r
                                procInfo.WorkingDirectory = Environment.CurrentDirectory;\r
                                \r
@@ -381,7 +396,7 @@ namespace AppliStation
                                hProc.Exited += delegate(object sender, EventArgs e) {\r
                                        pkgListsMan.LoadPackageLists();\r
                                        \r
-                                       this.Enabled = true;\r
+                                       this.setWindowEnabled(true);\r
                                        this.BringToFront();\r
                                        \r
                                        if (File.Exists(tmpfileName)) {\r
@@ -389,12 +404,12 @@ namespace AppliStation
                                        }\r
                                };\r
                        } catch (System.ComponentModel.Win32Exception ex) {\r
-                               MessageBox.Show(ex.Message, "\83C\83\93\83X\83g\81[\83\8b", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
+                               MessageBox.Show(ex.Message, "インストール", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
                                \r
                                if (File.Exists(tmpfileName)) {\r
                                        File.Delete(tmpfileName);\r
                                }\r
-                               this.Enabled = true;\r
+                               this.setWindowEnabled(true);\r
                        }\r
                }\r
                \r
@@ -407,15 +422,15 @@ namespace AppliStation
                                prog.Refresh();\r
                                prog.StartTaskSet();\r
                        };\r
-                       prog.Text = string.Format("\83\\83t\83g\83E\83F\83A\82Ì\83A\83\93\83C\83\93\83X\83g\81[\83\8b");\r
+                       prog.Text = string.Format("ソフトウェアのアンインストール");\r
                        prog.ShowDialog(this);\r
                }\r
                \r
                internal void uninstallRunasActionInvoke(InstalledPackage[] pkgs)\r
-               {\r
-                       this.Enabled = false;\r
+               {                       \r
+                       this.setWindowEnabled(false);\r
                        \r
-                       string tmpfileName = System.IO.Path.GetTempFileName();\r
+                       string tmpfileName = Path.GetTempFileName();\r
                        try {\r
                                NaGet.Utils.PutSerializeObject(tmpfileName, pkgs);\r
                                \r
@@ -431,7 +446,7 @@ namespace AppliStation
                                hProc.Exited += delegate(object sender, EventArgs e) {\r
                                        pkgListsMan.LoadPackageLists();\r
                                        \r
-                                       this.Enabled = true;\r
+                                       this.setWindowEnabled(true);\r
                                        this.BringToFront();\r
                                        \r
                                        if (File.Exists(tmpfileName)) {\r
@@ -439,12 +454,12 @@ namespace AppliStation
                                        }\r
                                };\r
                        } catch (System.ComponentModel.Win32Exception ex) {\r
-                               MessageBox.Show(ex.Message, "\83A\83\93\83C\83\93\83X\83g\81[\83\8b", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
+                               MessageBox.Show(ex.Message, "アンインストール", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
                                \r
+                               this.setWindowEnabled(true);\r
                                if (File.Exists(tmpfileName)) {\r
                                        File.Delete(tmpfileName);\r
                                }\r
-                               this.Enabled = true;\r
                        }\r
                }\r
                \r
@@ -462,10 +477,7 @@ namespace AppliStation
                                InstalledPackage[] instPkgs = new InstalledPackage[]{confirm.UninstallPackage};\r
                                \r
                                if (confirm.UseRunas) {\r
-                                       this.Enabled = false;\r
                                        uninstallRunasActionInvoke(instPkgs);\r
-                                       this.Enabled = true;\r
-                                       this.Focus();\r
                                } else {\r
                                        uninstallActionInvoke(instPkgs);\r
                                }\r
@@ -518,7 +530,7 @@ namespace AppliStation
                        foreach (Package pkg in SelectedPackages<Package>()) {\r
                                PackageInfoForm form = new PackageInfoForm();\r
                                form.SelectedObject = pkg;\r
-                               form.Text = pkg.ToString() + "\82Ì\83v\83\8d\83p\83e\83B";\r
+                               form.Text = string.Format("{0}({1})のプロパティ", pkg.Name, pkg.Version);\r
                                \r
                                form.ShowDialog(this);\r
 \r
@@ -528,32 +540,41 @@ namespace AppliStation
                \r
                void PackageListContextMenuStripOpening(object sender, System.ComponentModel.CancelEventArgs e)\r
                {\r
-                       // \91I\91ð\82³\82ê\82Ä\82¢\82È\82¢\82È\82ç\8aJ\82©\82È\82¢\r
-                       if (packageListView.SelectedItems.Count <= 0) {\r
+                       // メニューアイテムのインストール/アンインストールの表示はツールストリップに同じ\r
+                       installToolStripMenuItem.Visible = installToolStripButton.Visible;\r
+                       uninstallToolStripMenuItem.Visible = uninstallToolStripButton.Visible;\r
+                       \r
+                       // インストールもアンインストールもできない状態ならば、メニューを表示しない\r
+                       if (! (installToolStripButton.Visible || uninstallToolStripButton.Visible)) {\r
                                e.Cancel = true;\r
                                return;\r
                        }\r
                        \r
-                       foreach (Package pkg in SelectedPackages<Package>()) {\r
+                       // 選択パッケージが1つのとき\r
+                       bool selectionIsOnlyOne = packageListView.SelectedItems.Count == 1;\r
+                       if (selectionIsOnlyOne) {\r
+                               Package pkg = SelectedPackage<Package>();\r
                                bool isInstalledPackage = pkg is InstalledPackage;\r
                                \r
-                               installToolStripMenuItem.Visible = ! isInstalledPackage;\r
-                               uninstallToolStripMenuItem.Visible = isInstalledPackage;\r
-                               \r
-                               webResourcesToolStripMenuItem.Text = string.Format(webResourcesToolStripMenuItem.Tag.ToString(), pkg.Name);\r
+                               webResourcesToolStripMenuItem.Text = string.Format(\r
+                                       webResourcesToolStripMenuItem.Tag.ToString(),\r
+                                       pkg.Name.Replace("&", "&&")); // pkg.Nameに&が含まれているときはエンコード\r
                                webOfficialToolStripMenuItem.Enabled = ! (pkg.Url == null || string.IsNullOrEmpty(pkg.Url.Href));\r
                                // webGoogleSearchToolStripMenuItem always active.\r
                                \r
                                openInstalledDirectoryStripMenuItem.Visible = isInstalledPackage &&\r
                                        ( (pkg.Type == InstallerType.ARCHIVE) || Directory.Exists(((InstalledPackage) pkg).UninstallInfo.InstallLocation) );\r
-\r
-                               break;\r
                        }\r
+                       \r
+                       toolStripSeparator1.Visible = selectionIsOnlyOne;\r
+                       webResourcesToolStripMenuItem.Visible = selectionIsOnlyOne;\r
+                       if (! selectionIsOnlyOne) openInstalledDirectoryStripMenuItem.Visible = false;\r
+                       propertiesToolStripMenuItem.Visible = selectionIsOnlyOne;\r
                }\r
                \r
                private IEnumerable<Package> getUpdatedPackages(PackageList<InstalledPackage> installedPkgList, PackageList<Package> avaiablePkgList, IComparer<string> verComp)\r
                {\r
-                       foreach (InstalledPackage pkg in installedPkgList.Packages) {\r
+                       foreach (InstalledPackage pkg in installedPkgList) {\r
                                Package avaiablePkg = avaiablePkgList.GetPackageForName(pkg.Name);\r
                                \r
                                if (avaiablePkgList != null) {\r
@@ -576,24 +597,22 @@ namespace AppliStation
                        pkgs.AddRange(getUpdatedPackages(pkgListsMan.SystemInstalledPkgList, avaiablePackageList, verComp));\r
                        \r
                        if (pkgs.Count <= 0) {\r
-                               MessageBox.Show(this, "\8dX\90V\82³\82ê\82½\83\\83t\83g\82Í\82 \82è\82Ü\82¹\82ñ", "\83\\83t\83g\82Ì\8dX\90V");\r
+                               MessageBox.Show(this, "更新されたソフトはありません", "ソフトの更新");\r
                                return;\r
                        }\r
                        \r
-                       PackagesInstallConfirmForm confirm = new PackagesInstallConfirmForm();\r
+                       InstallationConfirmForm confirm = new InstallationConfirmForm();\r
                        confirm.PkgListsManager = pkgListsMan;\r
-                       confirm.Packages = pkgs.ToArray();\r
+                       confirm.Installations = Installation.ConvertInstallations(pkgs.ToArray());\r
                        DialogResult result = confirm.ShowDialog(this);\r
                        \r
                        if (result == DialogResult.OK) {\r
-                               Package[] instPkgs = confirm.CheckedPackages;\r
+                               Installation[] insts = confirm.CheckedInstallations;\r
                                \r
                                if (confirm.UseRunas) {\r
-                                       this.Enabled = false;\r
-                                       installRunasActionInvoke(instPkgs);\r
-                                       this.Enabled = true;\r
+                                       installRunasActionInvoke(insts);\r
                                } else {\r
-                                       installActionInvoke(instPkgs);\r
+                                       installActionInvoke(insts);\r
                                }\r
                                \r
                                UpdatePackageList();\r
@@ -607,16 +626,45 @@ namespace AppliStation
                }\r
                \r
                /// <summary>\r
-               /// \83C\83\93\83X\83g\81[\83\8b\82·\82é\82æ\82¤\91I\91ð\82³\82ê\82½\83p\83b\83P\81[\83W\82Ì\94z\97ñ\r
+               /// インストールするよう選択されたパッケージの配列\r
                /// </summary>\r
                public TPackage[] SelectedPackages<TPackage>() where TPackage : Package\r
                {\r
-                               List<TPackage> pkgs = new List<TPackage>();\r
-                               foreach (ListViewItem item in packageListView.SelectedItems) {\r
-                                       pkgs.Add((TPackage) item.Tag);\r
-                               }\r
-                               \r
-                               return pkgs.ToArray();\r
+                       List<TPackage> pkgs = new List<TPackage>();\r
+                       foreach (ListViewItem item in packageListView.SelectedItems) {\r
+                               pkgs.Add((TPackage) item.Tag);\r
+                       }\r
+                       \r
+                       return pkgs.ToArray();\r
+               }\r
+               \r
+               /// <summary>\r
+               /// インストールするよう選択されたパッケージをひとつ返す。\r
+               /// </summary>\r
+               /// <returns>選択されたパッケージ(選択されていないときはnull)</returns>\r
+               public TPackage SelectedPackage<TPackage>() where TPackage : Package\r
+               {\r
+                       foreach (ListViewItem item in packageListView.SelectedItems) {\r
+                               return (TPackage) item.Tag;\r
+                       }\r
+                       return null;\r
+               }\r
+               \r
+               /// <summary>\r
+               /// 自ウィンドウの有効無効(Enabled)を(必要あればInvokeして)実行する \r
+               /// </summary>\r
+               /// <param name="enabled">有効か否か。Enabledの値に入れられる</param>\r
+               private void setWindowEnabled(bool enabled)\r
+               {\r
+                       MethodInvoker process = (MethodInvoker) delegate() {\r
+                               this.Enabled = enabled;\r
+                       };\r
+                       \r
+                       if (InvokeRequired) {\r
+                               Invoke(process);\r
+                       } else {\r
+                               process.Invoke();\r
+                       }\r
                }\r
        }\r
 \r