protected override void OnDragOver(DragEventArgs e)
{
base.OnDragOver(e);
e.Effect = DragDropEffects.None;
/// まずdataとeffectで判断
if (e.Data.GetDataPresent(typeof(TreeNode)) || e.Data.GetDataPresent(typeof(TreeNodeEx)))
{
if (DragDropUtil.IsMoveAllowed(e))
{
var target = GetNodeAt(PointToClient(new Point(e.X, e.Y)));
var source = (TreeNode)e.Data.GetData(typeof(TreeNode));
if (source == null)
{
source = (TreeNode)e.Data.GetData(typeof(TreeNodeEx));
}
if (!_isInDragOver)
{
_isInDragOver = true;
_selectedObjBeforeDragOver = SelectedNode == null? null: SelectedNode.Tag;
}
/// 表示のための処理
if (target != null)
{
SelectedNode = target;
if (target.PrevVisibleNode != null)
{
target.PrevVisibleNode.EnsureVisible();
}
if (target.NextVisibleNode != null)
{
target.NextVisibleNode.EnsureVisible();
}
}
///マウス下のNodeがドロップ先として適切か調べる
if (
target != null &&
target != source &&
target != source.Parent &&
!IsChildNode(source, target)
)
{
e.Effect = DragDropEffects.Move;
}
}
}
else if (e.Data.GetDataPresent(typeof(MemoInfo[])))
{
if (DragDropUtil.IsMoveAllowed(e) || DragDropUtil.IsCopyAllowed(e))
{
var target = GetNodeAt(PointToClient(new Point(e.X, e.Y)));
if (!_isInDragOver)
{
_isInDragOver = true;
_selectedObjBeforeDragOver = SelectedNode == null? null: SelectedNode.Tag;
}
/// 表示のための処理
if (target != null)
{
SelectedNode = target;
if (target.PrevVisibleNode != null)
{
target.PrevVisibleNode.EnsureVisible();
}
if (target.NextVisibleNode != null)
{
target.NextVisibleNode.EnsureVisible();
}
}
///マウス下のNodeがドロップ先として適切か調べる
if (
target != null &&
target != _allTagsNode &&
target != _tagRootNode &&
target != _untaggedNode
)
{
if (DragDropUtil.IsControlPressed(e))
{
e.Effect = DragDropEffects.Copy;
}
else
{
e.Effect = DragDropEffects.Move;
}
}
}
}
if (e.Effect == DragDropEffects.None)
{
SelectNode(_selectedObjBeforeDragOver);
_isInDragOver = false;
}
}
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);
}
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);
}
// ------------------------------
// 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);
}