public IEnumerable <Label> GetBoundingBoxes(Topic topic, string imageId)
        {
            #region validation

            if (topic == null)
            {
                throw new ArgumentNullException(nameof(topic));
            }

            if (string.IsNullOrEmpty(imageId))
            {
                throw new ArgumentNullException(nameof(imageId));
            }

            #endregion

            var modelId = LoadModel();

            MultipartFormDataContent multipartFormDataContent = new MultipartFormDataContent();
            using (Stream imageFileStream = ImageFileRepository.GetImageFile(topic, imageId))
            {
                multipartFormDataContent.AddFileAsByteContent(imageFileStream, "image", imageId);
            }
            multipartFormDataContent.Add(new StringContent(modelId), "model");

            HttpClient httpClient = HttpClientFactory.GetInferenceContainerHttpClient();

            Uri uri = UriUtil.GetUri(httpClient.BaseAddress, "detect");

            using MemoryStream memoryStream = new MemoryStream(httpClient.PostReadByteArray(uri, multipartFormDataContent));
            using StreamReader streamReader = new StreamReader(memoryStream);
            return(ParseLabelResult(streamReader.ReadToEnd()));
        }
Exemplo n.º 2
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        public void GetUriSingleParamUriTest()
        {
            // act
            Uri result = UriUtil.GetUri(new Uri("http://localhost:8080"), "/test/", "configuration", "?p1=1");

            // assert
            Assert.AreEqual("http://localhost:8080/test/configuration?p1=1", result.AbsoluteUri);
        }
Exemplo n.º 3
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        public void GetUriNoSlashStringTest()
        {
            // act
            Uri result = UriUtil.GetUri("http://foo.bar", "path", "parameter");

            // assert
            Assert.AreEqual(result.ToString(), "http://foo.bar/path/parameter");
        }
Exemplo n.º 4
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        public void GetUriMoreSlashesUriTest()
        {
            // act
            Uri result = UriUtil.GetUri(new Uri("http://localhost:8080/"), "/test/", "/configuration");

            // assert
            Assert.AreEqual("http://localhost:8080/test/configuration", result.AbsoluteUri);
        }
Exemplo n.º 5
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        public void GetUriStringTest()
        {
            // act
            Uri result = UriUtil.GetUri("http://localhost:8080", "/test/", "configuration");

            // assert
            Assert.AreEqual("http://localhost:8080/test/configuration", result.AbsoluteUri);
        }
Exemplo n.º 6
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        public void GetUriWithBaseUriUriTest()
        {
            // act
            Uri result = UriUtil.GetUri(new Uri("http://rcvgateway/api/objectdetection"), "v1", "models", "bauteil2_riss:predict");

            // assert
            Assert.AreEqual("http://rcvgateway/api/objectdetection/v1/models/bauteil2_riss:predict", result.AbsoluteUri);
        }
Exemplo n.º 7
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        public void GetUriMultipleEmptyPathsUriTest()
        {
            // act
            Uri result = UriUtil.GetUri(new Uri("http://localhost:8080"), "", "test", "", "", "configuration");

            // assert
            Assert.AreEqual("http://localhost:8080/test/configuration", result.AbsoluteUri);
        }
Exemplo n.º 8
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        public void GetUriSingleEmptyPathsUriTest()
        {
            // act
            Uri result = UriUtil.GetUri(new Uri("http://localhost:8080"), "");

            // assert
            Assert.AreEqual("http://localhost:8080/", result.AbsoluteUri);
        }
Exemplo n.º 9
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        public void GetUriMultipleParamStringTest()
        {
            // act
            Uri result = UriUtil.GetUri("http://localhost:8080", "/test/", "configuration", "?p1=1", ";p2=2");

            // assert
            Assert.AreEqual("http://localhost:8080/test/configuration?p1=1;p2=2", result.AbsoluteUri);
        }
        /// <summary>
        /// Load model to use for boundingbox prediction.
        /// </summary>
        /// <returns>Model name</returns>
        public string LoadModel()
        {
            HttpClient httpClient = HttpClientFactory.GetInferenceContainerHttpClient();

            Uri uri = UriUtil.GetUri(httpClient.BaseAddress, "load");

            return(httpClient.Get <string>(uri, ParseModelResult));
        }
        private void InitMenuItems()
        {
            _cutInNewMemo        = new ToolStripMenuItem("切り出す(&C)");
            _cutInNewMemo.Click += (sender, e) => {
                using (var form = new CreateMemoForm()) {
                    form.Font      = _app.Theme.CaptionFont;
                    form.MemoTitle = "新しいノート";
                    if (form.ShowDialog() == DialogResult.OK)
                    {
                        var copied = Owner.Referer.Target.CopyBlocksAndInlines(Owner.Referer.Selection.Range);

                        _app.ShowMainForm();
                        _app.ActivateMainForm();
                        var info = _app.CreateMemo(form.MemoTitle);

                        if (form.OriginalModification == CreateMemoForm.OriginalModificationKind.Remove)
                        {
                            Owner.RemoveForward();
                        }
                        else if (form.OriginalModification == CreateMemoForm.OriginalModificationKind.ReplaceWithLink)
                        {
                            Owner.RemoveForward();
                            Owner.InsertLink(info.Title, new Link(UriUtil.GetUri(info)));
                            if (copied.Last() is BlockBreak)
                            {
                                Owner.InsertBlockBreak();
                            }
                        }

                        var pageContent = _app.MainForm.FindPageContent(info);
                        var canvas      = pageContent.EditorCanvas;
                        var caret       = canvas.Caret;
                        var loc         = CaretUtil.GetExpectedMemoTextPosition(caret.Position);
                        MemoEditorHelper.AddBlocksAndInlines(canvas.RootEditor.Children.First(), loc, copied, false);
                    }
                }
            };


            _splitThisParagraph        = new ToolStripMenuItem("この行で分割(&S)");
            _splitThisParagraph.Click += (sender, e) => {
                using (_editor.Site.CommandExecutor.BeginChain()) {
                    var referer = Owner.Referer;
                    var stext   = referer.Target;

                    var lineIndex = stext.GetLineIndex(referer.CaretIndex);
                    var lineStart = stext.GetLineStartCharIndex(lineIndex);
                    var flows     = stext.CopyBlocksAndInlines(lineStart);

                    var rect = Rectangle.Empty;
                    rect = _focus.Figure.GetCharRect(lineStart);

                    Owner.Selection.Range = Range.FromStartAndEnd(lineStart - 1, stext.Length - 2);
                    Owner.RemoveForward();
                    _editor.RequestFocus(FocusKind.Commit, null);

                    var loc        = new Point(_editor.Figure.Left, rect.Bottom + 16);
                    var memoEditor = _editor.Parent;
                    var created    = MemoEditorHelper.AddBlocksAndInlines(memoEditor, loc, flows, true);
                    created.RequestFocusCommit(true);
                }
            };

            _splitParagraphs        = new ToolStripMenuItem("段落ごとに分割(&P)");
            _splitParagraphs.Click += (sender, e) => {
                using (_editor.Figure.Root.DirtManager.BeginDirty())
                    using (_editor.Site.CommandExecutor.BeginChain()) {
                        var referer    = Owner.Referer;
                        var stext      = referer.Target;
                        var memoEditor = _editor.Parent;

                        var created  = default(IEditor);
                        var createds = new List <IEditor>();
                        var cTop     = _editor.Figure.Top;
                        foreach (var block in stext.Blocks)
                        {
                            var flows = new Flow[] { block.CloneDeeply() as Block, };
                            var loc   = new Point(_editor.Figure.Left, cTop);
                            created = MemoEditorHelper.AddBlocksAndInlines(memoEditor, loc, flows, true);
                            createds.Add(created);
                            cTop += created.Figure.Height + 16;
                        }
                        created.RequestFocusCommit(true);

                        _editor.RequestRemove();

                        var cmd = new SelectMultiCommand(createds, SelectKind.True, true);
                        cmd.Execute();
                    }
            };


            _openLink        = new ToolStripMenuItem("リンクを開く(&O)");
            _openLink.Click += (sender, e) => {
                var run = Owner.GetInlineAtCaretIndex() as Run;
                if (run != null && run.HasLink)
                {
                    LinkUtil.GoLink(run.Link);
                }
            };

            _removeLink        = new ToolStripMenuItem("リンクを削除(&R)");
            _removeLink.Click += (sender, e) => {
                Owner.UnsetLink();
            };

            _setLink        = new ToolStripMenuItem("リンクを設定(&L)");
            _setLink.Click += (sender, e) => {
                if (Owner.Selection.IsEmpty)
                {
                    var run = Owner.GetInlineAtCaretIndex() as Run;
                    if (run != null)
                    {
                        var oldUri = default(string);
                        if (run != null && run.HasLink)
                        {
                            oldUri = run.Link.Uri;
                        }

                        var oldText = run.Text;
                        var dialog  = new LinkSelectForm();
                        if (dialog.ShowDialog(_app.MainForm, oldUri, run.Text) == DialogResult.OK)
                        {
                            var uri     = dialog.Uri;
                            var newText = dialog.TitleText;
                            if (newText != oldText)
                            {
                                Owner.SetRunText(run, newText);
                            }
                            if (uri != oldUri)
                            {
                                Owner.SetLink(uri, null);
                            }
                        }
                    }
                }
                else
                {
                    var range   = Owner.Selection.Range;
                    var oldText = Owner.Referer.Target.Text.Substring(range.Offset, range.Length);

                    var dialog = new LinkSelectForm();
                    dialog.TitleTextTextBoxEnabled = false;
                    if (dialog.ShowDialog(_app.MainForm, null, oldText) == DialogResult.OK)
                    {
                        Owner.SetLink(dialog.Uri, null);
                    }
                }
            };


            _addComment        = new ToolStripMenuItem("コメントを追加(&C)");
            _addComment.Click += (sender, e) => {
                MemoEditorHelper.AddCommentForMemoText(Owner);
            };
        }
Exemplo n.º 12
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        protected IDragTarget CreateFocusFigureDragTarget()
        {
            var ret = MouseOperatableFactory.CreateDragTarget();

            ret.DragOver += (sender, e) => {
                e.Effect = DragDropEffects.None;

                var data = e.Data;

                if (data.GetDataPresent(typeof(MemoInfo[])))
                {
                    if (DragDropUtil.IsLinkAllowed(e))
                    {
                        e.Effect = DragDropEffects.Link;
                        ShowFocusFigureDropTextFeedback(new Point(e.X, e.Y));
                    }
                }
                else if (data.GetDataPresent(StyledTextConsts.BlocksAndInlinesFormat.Name))
                {
                    if (DragDropUtil.IsControlPressed(e))
                    {
                        if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                            ShowFocusFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                        else
                        {
                            e.Effect = DragDropEffects.Move;
                            ShowFocusFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                    }
                    else
                    {
                        if (DragDropUtil.IsMoveAllowed(e))
                        {
                            e.Effect = DragDropEffects.Move;
                            ShowFocusFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                        else if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                            ShowFocusFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                    }
                }
                if (data.GetDataPresent("UniformResourceLocator") && data.GetDataPresent(DataFormats.UnicodeText))
                {
                    if (DragDropUtil.IsLinkAllowed(e))
                    {
                        e.Effect = DragDropEffects.Link;
                        ShowFocusFigureDropTextFeedback(new Point(e.X, e.Y));
                    }
                }
                else if (data.GetDataPresent(DataFormats.UnicodeText))
                {
                    if (DragDropUtil.IsControlPressed(e))
                    {
                        if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                            ShowFocusFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                        else
                        {
                            e.Effect = DragDropEffects.Move;
                            ShowFocusFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                    }
                    else
                    {
                        if (DragDropUtil.IsMoveAllowed(e))
                        {
                            e.Effect = DragDropEffects.Move;
                            ShowFocusFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                        else if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                            ShowFocusFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                    }
                }
            };

            ret.DragLeave += (sender, e) => {
                /// feedbackを隠す
                Host.HideFeedback(new DropTextRequest(Rectangle.Empty));
            };

            ret.DragDrop += (sender, e) => {
                if (DragDropUtil.IsNone(e))
                {
                    return;
                }

                var data  = e.Data;
                var loc   = new Point(e.X, e.Y);
                var focus = Host.Focus as StyledTextFocus;

                if (data.GetDataPresent(typeof(MemoInfo[])))
                {
                    if (DragDropUtil.IsLink(e))
                    {
                        if (focus != null && Host.Figure.Root != null)
                        {
                            var infos = (MemoInfo[])data.GetData(typeof(MemoInfo[]));
                            focus.Selection.Range = Range.Empty;

                            var charIndex = focus.Figure.GetCharIndexAt(loc);
                            foreach (var info in infos)
                            {
                                var text = info.Title;
                                var url  = UriUtil.GetUri(info);
                                focus.Referer.CaretIndex = charIndex;
                                focus.InsertText(text, false);

                                /// set link
                                focus.Selection.Range = new Range(charIndex, text.Length);
                                focus.SetLink(url, null);
                                focus.Selection.Range = Range.Empty;
                            }
                        }
                        Host.HideFeedback(new DropTextRequest(Rectangle.Empty));
                        Host.Site.EditorCanvas.Select();
                    }
                }
                else if (data.GetDataPresent(StyledTextConsts.BlocksAndInlinesFormat.Name))
                {
                    /// StyledText flows
                    if (DragDropUtil.IsCopy(e) || DragDropUtil.IsMove(e))
                    {
                        if (focus != null && Host.Figure.Root != null)
                        {
                            var charIndex = focus.Figure.GetCharIndexAt(loc);

                            if (!_selectionRangeOnDragStart.Contains(charIndex))
                            {
                                /// Moveの場合はこのタイミングでremoveしてしまう。
                                /// DragFinishでやろうとすると大変。
                                if (!_selectionRangeOnDragStart.IsEmpty && DragDropUtil.IsMove(e))
                                {
                                    focus.RemoveForward();
                                }

                                focus.Selection.Range = Range.Empty;

                                if (charIndex >= _selectionRangeOnDragStart.End)
                                {
                                    charIndex -= _selectionRangeOnDragStart.Length;
                                }
                                focus.Referer.CaretIndex = charIndex;

                                var flows = (IEnumerable <Flow>)data.GetData(StyledTextConsts.BlocksAndInlinesFormat.Name);
                                focus.InsertBlocksAndInlines(flows);
                            }
                        }
                        Host.HideFeedback(new DropTextRequest(Rectangle.Empty));
                        Host.Site.EditorCanvas.Select();
                    }
                }
                else if (data.GetDataPresent("UniformResourceLocator") && data.GetDataPresent(DataFormats.UnicodeText))
                {
                    if (DragDropUtil.IsLink(e))
                    {
                        if (focus != null && Host.Figure.Root != null)
                        {
                            focus.Selection.Range = Range.Empty;

                            var url       = (string)data.GetData(DataFormats.UnicodeText);
                            var len       = url.Length;
                            var charIndex = focus.Figure.GetCharIndexAt(loc);
                            focus.Referer.CaretIndex = charIndex;
                            focus.InsertText(url, false);

                            /// set link
                            focus.Selection.Range = new Range(charIndex, len);
                            focus.SetLink(url, null);
                            focus.Selection.Range = Range.Empty;
                        }
                        Host.HideFeedback(new DropTextRequest(Rectangle.Empty));
                        Host.Site.EditorCanvas.Select();
                    }
                }
                else if (data.GetDataPresent(DataFormats.UnicodeText))
                {
                    if (DragDropUtil.IsCopy(e) || DragDropUtil.IsMove(e))
                    {
                        if (focus != null && Host.Figure.Root != null)
                        {
                            focus.Selection.Range = Range.Empty;

                            var charIndex = focus.Figure.GetCharIndexAt(loc);
                            focus.Referer.CaretIndex = charIndex;
                            var text = (string)data.GetData(DataFormats.UnicodeText);
                            focus.InsertText(text, false);
                        }
                        Host.HideFeedback(new DropTextRequest(Rectangle.Empty));
                        Host.Site.EditorCanvas.Select();
                    }
                }
            };

            return(ret);
        }
Exemplo n.º 13
0
        protected IDragTarget CreateHostFigureDragTarget()
        {
            var ret = MouseOperatableFactory.CreateDragTarget();

            ret.DragOver += (sender, e) => {
                e.Effect = DragDropEffects.None;

                var data = e.Data;

                if (data.GetDataPresent(typeof(MemoInfo[])))
                {
                    if (DragDropUtil.IsLinkAllowed(e))
                    {
                        e.Effect = DragDropEffects.Link;
                        ShowHostFigureDropTextFeedback(new Point(e.X, e.Y));
                    }
                }
                else if (data.GetDataPresent(StyledTextConsts.BlocksAndInlinesFormat.Name))
                {
                    if (DragDropUtil.IsControlPressed(e))
                    {
                        if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                            ShowHostFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                        else
                        {
                            e.Effect = DragDropEffects.Move;
                            ShowHostFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                    }
                    else
                    {
                        if (DragDropUtil.IsMoveAllowed(e))
                        {
                            e.Effect = DragDropEffects.Move;
                            ShowHostFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                        else if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                            ShowHostFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                    }
                }
                if (data.GetDataPresent("UniformResourceLocator") && data.GetDataPresent(DataFormats.UnicodeText))
                {
                    if (DragDropUtil.IsLinkAllowed(e))
                    {
                        e.Effect = DragDropEffects.Link;
                        ShowHostFigureDropTextFeedback(new Point(e.X, e.Y));
                    }
                }
                else if (data.GetDataPresent(DataFormats.UnicodeText))
                {
                    if (DragDropUtil.IsControlPressed(e))
                    {
                        if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                            ShowHostFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                        else
                        {
                            e.Effect = DragDropEffects.Move;
                            ShowHostFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                    }
                    else
                    {
                        if (DragDropUtil.IsMoveAllowed(e))
                        {
                            e.Effect = DragDropEffects.Move;
                            ShowHostFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                        else if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                            ShowHostFigureDropTextFeedback(new Point(e.X, e.Y));
                        }
                    }
                }
            };

            ret.DragLeave += (sender, e) => {
                /// feedbackを隠す
                Host.HideFeedback(new DropTextRequest(Rectangle.Empty));
            };

            ret.DragDrop += (sender, e) => {
                if (DragDropUtil.IsNone(e))
                {
                    return;
                }

                var data  = e.Data;
                var loc   = new Point(e.X, e.Y);
                var focus = Host.Focus as StyledTextFocus;

                if (data.GetDataPresent(typeof(MemoInfo[])))
                {
                    /// MemoInfo[]
                    if (DragDropUtil.IsLink(e))
                    {
                        Host.RequestSelect(SelectKind.True, true);
                        Host.RequestFocus(FocusKind.Begin, loc);
                        if (focus != null)
                        {
                            var infos = (MemoInfo[])data.GetData(typeof(MemoInfo[]));
                            foreach (var info in infos)
                            {
                                var text      = info.Title;
                                var url       = UriUtil.GetUri(info);
                                var charIndex = focus.Referer.CaretIndex;
                                focus.InsertText(text, false);

                                /// set link
                                focus.Selection.Range = new Range(charIndex, text.Length);
                                focus.SetLink(url, null);
                                focus.Selection.Range = Range.Empty;
                            }
                        }
                        Host.HideFeedback(new DropTextRequest(Rectangle.Empty));
                        Host.Site.EditorCanvas.Select();
                    }
                }
                else if (data.GetDataPresent(StyledTextConsts.BlocksAndInlinesFormat.Name))
                {
                    /// StyledText flows
                    if (DragDropUtil.IsCopy(e) || DragDropUtil.IsMove(e))
                    {
                        Host.RequestSelect(SelectKind.True, true);
                        Host.RequestFocus(FocusKind.Begin, loc);
                        if (focus != null)
                        {
                            var flows = (IEnumerable <Flow>)data.GetData(StyledTextConsts.BlocksAndInlinesFormat.Name);
                            focus.InsertBlocksAndInlines(flows);
                        }
                        Host.HideFeedback(new DropTextRequest(Rectangle.Empty));
                        Host.Site.EditorCanvas.Select();
                    }
                }
                else if (data.GetDataPresent("UniformResourceLocator") && data.GetDataPresent(DataFormats.UnicodeText))
                {
                    /// URL
                    if (DragDropUtil.IsLink(e))
                    {
                        Host.RequestSelect(SelectKind.True, true);
                        Host.RequestFocus(FocusKind.Begin, loc);
                        if (focus != null)
                        {
                            var charIndex = focus.Referer.CaretIndex;
                            var url       = (string)data.GetData(DataFormats.UnicodeText);
                            var len       = url.Length;
                            focus.InsertText(url, false);

                            /// set link
                            focus.Selection.Range = new Range(charIndex, len);
                            focus.SetLink(url, null);
                            focus.Selection.Range = Range.Empty;
                        }
                        Host.HideFeedback(new DropTextRequest(Rectangle.Empty));
                        Host.Site.EditorCanvas.Select();
                    }
                }
                else if (data.GetDataPresent(DataFormats.UnicodeText))
                {
                    /// Text
                    if (DragDropUtil.IsCopy(e) | DragDropUtil.IsMove(e))
                    {
                        Host.RequestSelect(SelectKind.True, true);
                        Host.RequestFocus(FocusKind.Begin, loc);
                        if (focus != null)
                        {
                            focus.InsertText((string)data.GetData(DataFormats.UnicodeText), false);
                        }
                        Host.HideFeedback(new DropTextRequest(Rectangle.Empty));
                        Host.Site.EditorCanvas.Select();
                    }
                }
            };

            return(ret);
        }
Exemplo n.º 14
0
        // ------------------------------
        // private
        // ------------------------------
        private IDragTarget CreateDragTarget()
        {
            var ret = MouseOperatableFactory.CreateDragTarget();

            var app = MemopadApplication.Instance;

            ret.DragOver += (sender, e) => {
                e.Effect = DragDropEffects.None;

                var data = e.Data;

                if (data.GetDataPresent(typeof(MemoInfo[])))
                {
                    if (DragDropUtil.IsLinkAllowed(e))
                    {
                        e.Effect = DragDropEffects.Link;
                    }
                }
                else if (data.GetDataPresent(DataFormats.FileDrop))
                {
                    if (DragDropUtil.IsControlPressed(e))
                    {
                        if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                        }
                    }
                    else
                    {
                        if (DragDropUtil.IsLinkAllowed(e))
                        {
                            e.Effect = DragDropEffects.Link;
                        }
                    }
                }
                else if (data.GetDataPresent(StyledTextConsts.BlocksAndInlinesFormat.Name))
                {
                    if (DragDropUtil.IsControlPressed(e))
                    {
                        if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                        }
                        else if (DragDropUtil.IsMoveAllowed(e))
                        {
                            e.Effect = DragDropEffects.Move;
                        }
                    }
                    else
                    {
                        if (DragDropUtil.IsMoveAllowed(e))
                        {
                            e.Effect = DragDropEffects.Move;
                        }
                        else if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                        }
                    }
                }
                else if (data.GetDataPresent(DataFormats.Html))
                {
                    if (DragDropUtil.IsControlPressed(e))
                    {
                        if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                        }
                        else if (DragDropUtil.IsMoveAllowed(e))
                        {
                            e.Effect = DragDropEffects.Move;
                        }
                    }
                    else
                    {
                        if (DragDropUtil.IsMoveAllowed(e))
                        {
                            e.Effect = DragDropEffects.Move;
                        }
                        else if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                        }
                    }
                }
                else if (data.GetDataPresent("UniformResourceLocator") && data.GetDataPresent(DataFormats.UnicodeText))
                {
                    if (DragDropUtil.IsLinkAllowed(e))
                    {
                        e.Effect = DragDropEffects.Link;
                    }
                }
                else if (data.GetDataPresent(DataFormats.UnicodeText))
                {
                    if (DragDropUtil.IsControlPressed(e))
                    {
                        if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                        }
                        else if (DragDropUtil.IsMoveAllowed(e))
                        {
                            e.Effect = DragDropEffects.Move;
                        }
                    }
                    else
                    {
                        if (DragDropUtil.IsMoveAllowed(e))
                        {
                            e.Effect = DragDropEffects.Move;
                        }
                        else if (DragDropUtil.IsCopyAllowed(e))
                        {
                            e.Effect = DragDropEffects.Copy;
                        }
                    }
                }
            };

            ret.DragDrop += (sender, e) => {
                if (DragDropUtil.IsNone(e))
                {
                    return;
                }

                var oldCursor = Host.Site.EditorCanvas.Cursor;
                Host.Site.EditorCanvas.Cursor = Cursors.WaitCursor;

                try {
                    var data = e.Data;
                    var loc  = Host.Site.GridService.GetAdjustedPoint(new Point(e.X, e.Y));

                    if (data.GetDataPresent(typeof(MemoInfo[])))
                    {
                        /// MemoInfo[]
                        if (DragDropUtil.IsLink(e))
                        {
                            var infos = (MemoInfo[])data.GetData(typeof(MemoInfo[]));
                            foreach (var info in infos)
                            {
                                var text    = info.Title;
                                var uri     = UriUtil.GetUri(info);
                                var created = MemoEditorHelper.AddTextAsLink(Host, loc, text, uri, null);
                            }
                            Host.Site.EditorCanvas.Select();
                        }
                    }
                    else if (data.GetDataPresent(DataFormats.FileDrop))
                    {
                        /// FileDrop
                        if (DragDropUtil.IsCopy(e) || DragDropUtil.IsLink(e))
                        {
                            MemoEditorHelper.AddFileDrops(
                                Host,
                                loc,
                                (string[])data.GetData(DataFormats.FileDrop),
                                e.Effect == DragDropEffects.Copy,
                                true,
                                false
                                );
                            Host.Site.EditorCanvas.Select();
                        }
                    }
                    else if (data.GetDataPresent(StyledTextConsts.BlocksAndInlinesFormat.Name))
                    {
                        /// StyledText flows
                        if (DragDropUtil.IsCopy(e) || DragDropUtil.IsMove(e))
                        {
                            MemoEditorHelper.AddBlocksAndInlines(
                                Host,
                                loc,
                                data.GetData(StyledTextConsts.BlocksAndInlinesFormat.Name) as IEnumerable <Flow>,
                                true
                                );
                            Host.Site.EditorCanvas.Select();
                        }
                    }
                    else if (data.GetDataPresent(DataFormats.Html))
                    {
                        /// Html
                        if (DragDropUtil.IsCopy(e) || DragDropUtil.IsMove(e))
                        {
                            var html = Common.Forms.Clipboard.ClipboardUtil.GetCFHtmlFromDataObject(data);
                            MemoEditorHelper.AddHtml(
                                Host,
                                loc,
                                html,
                                true
                                );
                            Host.Site.EditorCanvas.Select();
                        }
                    }
                    else if (data.GetDataPresent("UniformResourceLocator") && data.GetDataPresent(DataFormats.UnicodeText))
                    {
                        /// URL
                        if (DragDropUtil.IsLink(e))
                        {
                            var url     = (string)data.GetData(DataFormats.UnicodeText);
                            var created = MemoEditorHelper.AddTextAsLink(Host, loc, url, url, null);
                            Host.Site.EditorCanvas.Select();
                        }
                    }
                    else if (data.GetDataPresent(DataFormats.UnicodeText))
                    {
                        /// text
                        if (DragDropUtil.IsCopy(e) || DragDropUtil.IsMove(e))
                        {
                            MemoEditorHelper.AddText(Host, loc, (string)data.GetData(DataFormats.UnicodeText), false);
                            Host.Site.EditorCanvas.Select();
                        }
                    }
                } finally {
                    Host.Site.EditorCanvas.Cursor = oldCursor;
                }
            };

            return(ret);
        }