public MainViewModel() { // テストデータ var thm = "ガソリン急落 半年ぶり143円台"; ThemeList.Add(new ThemeModel(thm, "経済", _rdm.Next(1, 3), _rdm.Next(0, 3))); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("レギュラーガソリン急落、前週比2.9円安の143.5円 半年ぶりの安値", "記事", $"{_rdm.Next(15, 45)}行", thm)); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("[ハイオクガソリン実売価格(「e燃費」調べ)]", "画像", "1920x1080", thm)); thm = "新型コロナの影響拡大を受けて"; ThemeList.Add(new ThemeModel("新型コロナの影響拡大を受けて", "政治", _rdm.Next(1, 3), _rdm.Next(0, 3))); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("公共料金の支払いを猶予 欧州から入国、待機要請 新型コロナ", "記事", $"{_rdm.Next(15, 45)}行", thm)); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("電気など公共料金支払い猶予要請へ 欧州など38カ国に入国制限", "記事", $"{_rdm.Next(15, 45)}行", thm)); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("新型コロナウイルス感染症対策本部", "画像", "355x466", thm)); thm = "新型iPad、25日に発売"; ThemeList.Add(new ThemeModel("新型iPad、25日に発売", "社会", _rdm.Next(1, 3), _rdm.Next(0, 3))); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("アップル、LiDARセンサー/2カメラの新iPad Pro。トラックパッドにも初対応", "記事", $"{_rdm.Next(15, 45)}行", thm)); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("新型iPad、25日に発売 米アップル、超広角カメラ搭載", "記事", $"{_rdm.Next(15, 45)}行", thm)); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("iPad(アイパッド)プロ", "画像", "400x448", thm)); thm = "将棋の清水市代女流六段が史上初の女流七段に"; ThemeList.Add(new ThemeModel("将棋の清水市代女流六段が史上初の女流七段に", "社会", _rdm.Next(1, 3), _rdm.Next(0, 3))); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("清水が史上初の女流七段に 里見は女流六段昇段", "記事", $"{_rdm.Next(15, 45)}行", thm)); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("女流七段への昇段は史上初", "記事", $"{_rdm.Next(15, 45)}行", thm)); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("日本将棋連盟", "画像", "1280x720", thm)); thm = "【第1部】日経平均株価"; ThemeList.Add(new ThemeModel("【第1部】日経平均株価", "経済", _rdm.Next(1, 3), _rdm.Next(0, 3))); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("乱高下後に小幅続落=不安定な値動き続く", "記事", $"{_rdm.Next(15, 45)}行", thm)); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("日経平均は急速に切り返し底入れを期待", "記事", $"{_rdm.Next(15, 45)}行", thm)); ThemeList[ThemeList.Count - 1].ContentList.Add(new ContentModel("ダウ工業株30種平均が過去最大の下げ幅", "画像", "1920x1080", thm)); ContentList = new ObservableCollection <ContentModel>(ThemeList.SelectMany(theme => theme.ContentList).ToList()); thm = ""; ContentFreeList.Add(new ContentModel("【コロナショックで資産が半分に!?】「iDeCo・つみたてNISA」利用者が今とるべき対処法とは", "記事", $"{_rdm.Next(15, 45)}行", thm)); ContentFreeList.Add(new ContentModel("東電、全社員に一時金9万円 初任給は3千円上げ", "画像", $"{_rdm.Next(600, 1980)}x{_rdm.Next(400, 1080)}", thm)); ContentFreeList.Add(new ContentModel("死者64万人想定のコロナ緊急宣言は妥当なのか", "記事", $"{_rdm.Next(15, 45)}行", thm)); ContentFreeList.Add(new ContentModel("自然災害リスクへの警戒高まる 川沿いの住宅地、公示地価で下落顕著", "記事", $"{_rdm.Next(15, 45)}行", thm)); ContentFreeList.Add(new ContentModel("直ちに消費税率ゼロにする発想ない", "記事", $"{_rdm.Next(15, 45)}行", thm)); ContentFreeList.Add(new ContentModel("NY株1700ドル超下げ 2万ドル割り込む 取引一時停止", "記事", $"{_rdm.Next(15, 45)}行", thm)); ContentFreeList.Add(new ContentModel("18日東京株式市場終値 284円98銭安の1万6726円55銭", "画像", $"{_rdm.Next(600, 1980)}x{_rdm.Next(400, 1080)}", thm)); ContentFreeList.Add(new ContentModel("USJが子ども達に『サプライズプレゼント』学童保育に通う3千人超に1300万円分", "記事", $"{_rdm.Next(15, 45)}行", thm)); ContentFreeList.Add(new ContentModel("GPIF22兆円の大損失 株価暴落&運用失敗", "記事", $"{_rdm.Next(15, 45)}行", thm)); // Drag&Drop this.Description = new DropAcceptDescription(); this.Description.DragOver += Description_DragOver; this.Description.DragDrop += Description_DragDrop; }
/// <summary> /// Dropイベント /// </summary> /// <param name="args"></param> private void Description_DragDrop(System.Windows.DragEventArgs args) { if (args.Data.GetDataPresent(typeof(ContentModel))) { // Drop item var data = args.Data.GetData(typeof(ContentModel)) as ContentModel; // EventArgsからDrop先のFrameworkElementを取得 var feDest = args.Source as System.Windows.Controls.ListBox; // EventArgsからDrop先のバインドオブジェクトを取得 var bindDest = BindingOperations.GetBinding( (args.Source as System.Windows.Controls.ListBox), System.Windows.Controls.ListBox.ItemsSourceProperty).Path.Path; // Drop元のバインドオブジェクトを取得 var dragFromTheme = ThemeList.Any(item => item.ContentList.Contains(data)); var dragFromFree = ContentFreeList.Contains(data); // Drop元とDrop先のチェック if (bindDest == nameof(ThemeList)) { if (dragFromFree) { Point position = args.GetPosition(args.OriginalSource as IInputElement); //System.Windows.Media.VisualTreeHelper.HitTest( // this // , null // , new System.Windows.Media.HitTestResultCallback(OnHitTestResultCallback) // , new System.Windows.Media.PointHitTestParameters(position)); // Drop Index //var targetContainer = GuiUtils.GetTemplatedRootElement(args.OriginalSource as FrameworkElement); //var targetContainer2 = GuiUtils.FindAncestor<System.Windows.Controls.ListBox>(args.OriginalSource as FrameworkElement); var index = ThemeList.IndexOf(DropTarget); index = index < 0 ? feDest.Items.Count - 1 : index; //var datas = ThemeList[index].ContentList.Add(data); ContentFreeList.Remove(data); } else if (dragFromTheme) { return; } } else if (bindDest == nameof(ContentFreeList)) { if (dragFromFree) { // Drop Index var targetContainer = GuiUtils.GetTemplatedRootElement(args.OriginalSource as FrameworkElement); var index = feDest.ItemContainerGenerator.IndexFromContainer(targetContainer); index = index < 0 ? feDest.Items.Count - 1 : index; // Collectionに反映 var ocDest = this[bindDest] as ObservableCollection <ContentModel>; ocDest.Move(feDest.SelectedIndex, index); } else if (dragFromTheme) { // Drop Index var index = ThemeList .Select((thm, i) => new { Theme = thm, Index = i }) .Where(item => item.Theme.ContentList.Contains(data)) .Select(item => item.Index).FirstOrDefault(); // Collectionに反映 ContentFreeList.Add(data); ThemeList[index].ContentList.Remove(data); } } return; } if (args.Data.GetDataPresent(typeof(ThemeModel))) { return; } }