protected void OnDragDrop(object sender, DragEventArgs e)
{
Point p = _textArea.PointToClient(new Point(e.X, e.Y));
if (e.Data.GetDataPresent(typeof(string)))
{
_textArea.BeginUpdate();
_textArea.Document.UndoStack.StartUndoGroup();
try
{
int offset = _textArea.Caret.Offset;
if (_textArea.IsReadOnly(offset))
{
// prevent dragging text into readonly section
return;
}
//TODO2 drag/drop - all this:
//if (e.Data.GetDataPresent(typeof(Selection)))
//{
// Selection sel = (Selection)e.Data.GetData(typeof(Selection));
// if (sel.ContainsPosition(textArea.Caret.Position))
// {
// return;
// }
// if (GetDragDropEffect(e) == DragDropEffects.Move)
// {
// if (SelectionManager.SelectionIsReadOnly(textArea.Document, sel))
// {
// // prevent dragging text out of readonly section
// return;
// }
// int len = sel.Length;
// textArea.Document.Remove(sel.StartOffset, len);
// if (sel.StartOffset < offset)
// {
// offset -= len;
// }
// }
//}
_textArea.SelectionManager.ClearSelection();
InsertString(offset, (string)e.Data.GetData(typeof(string)));
_textArea.Document.RequestUpdate(new TextAreaUpdate(TextAreaUpdateType.WholeTextArea));
}
finally
{
_textArea.Document.UndoStack.EndUndoGroup();
_textArea.EndUpdate();
}
}
}
protected void OnDragDrop(object sender, DragEventArgs e)
{
Point p = textArea.PointToClient(new Point(e.X, e.Y));
if (e.Data.GetDataPresent(typeof(string)))
{
bool two = false;
textArea.BeginUpdate();
try {
int offset = textArea.Caret.Offset;
if (textArea.TextEditorProperties.UseCustomLine &&
textArea.Document.CustomLineManager.IsReadOnly(textArea.Caret.Line, false))
{
// prevent dragging text into readonly section
return;
}
if (e.Data.GetDataPresent(typeof(DefaultSelection)))
{
ISelection sel = (ISelection)e.Data.GetData(typeof(DefaultSelection));
if (sel.ContainsPosition(textArea.Caret.Position))
{
return;
}
if (GetDragDropEffect(e) == DragDropEffects.Move)
{
if (textArea.TextEditorProperties.UseCustomLine &&
textArea.Document.CustomLineManager.IsReadOnly(sel, false))
{
// prevent dragging text out of readonly section
return;
}
int len = sel.Length;
textArea.Document.Remove(sel.Offset, len);
if (sel.Offset < offset)
{
offset -= len;
}
}
two = true;
}
textArea.SelectionManager.ClearSelection();
InsertString(offset, (string)e.Data.GetData(typeof(string)));
if (two)
{
textArea.Document.UndoStack.CombineLast(2);
}
textArea.Document.UpdateQueue.Clear();
textArea.Document.RequestUpdate(new TextAreaUpdate(TextAreaUpdateType.WholeTextArea));
} finally {
textArea.EndUpdate();
}
}
}
protected void OnDragOver(object sender, DragEventArgs e)
{
if (!textArea.Focused)
{
textArea.Focus();
}
Point p = textArea.PointToClient(new Point(e.X, e.Y));
if (textArea.TextView.DrawingPosition.Contains(p.X, p.Y))
{
TextLocation realmousepos = textArea.TextView.GetLogicalPosition(p.X - textArea.TextView.DrawingPosition.X,
p.Y - textArea.TextView.DrawingPosition.Y);
int lineNr = Math.Min(textArea.Document.TotalNumberOfLines - 1, Math.Max(0, realmousepos.Y));
textArea.Caret.Position = new TextLocation(realmousepos.X, lineNr);
textArea.SetDesiredColumn();
if (e.Data.GetDataPresent(typeof(string)) && !textArea.IsReadOnly(textArea.Caret.Offset))
{
e.Effect = GetDragDropEffect(e);
}
else
{
e.Effect = DragDropEffects.Link; // for Drag & Drop file
}
}
else if (e.Effect != DragDropEffects.Link)
{
e.Effect = DragDropEffects.None;
}
}
protected void OnDragOver(object sender, DragEventArgs e)
{
if (!textArea.Focused)
{
textArea.Focus();
}
var p = textArea.PointToClient(new Point(e.X, e.Y));
if (textArea.TextView.DrawingPosition.Contains(p.X, p.Y))
{
var realmousepos = textArea.TextView.GetLogicalPosition(
p.X - textArea.TextView.DrawingPosition.X,
p.Y - textArea.TextView.DrawingPosition.Y);
var lineNr = Math.Min(textArea.Document.TotalNumberOfLines - 1, Math.Max(val1: 0, realmousepos.Y));
textArea.Caret.Position = new TextLocation(realmousepos.X, lineNr);
textArea.SetDesiredColumn();
if (IsSupportedData(e.Data) && !textArea.IsReadOnly(textArea.Caret.Offset))
{
e.Effect = GetDragDropEffect(e);
}
else
{
e.Effect = DragDropEffects.None;
}
}
else
{
e.Effect = DragDropEffects.None;
}
}
protected void OnDragDrop(object sender, DragEventArgs e)
{
Point p = textArea.PointToClient(new Point(e.X, e.Y));
if (textArea.EnableCutOrPaste == false)
{
return;
}
if (e.Data.GetDataPresent(typeof(string)))
{
bool two = false;
textArea.BeginUpdate();
try {
int offset = textArea.Caret.Offset;
if (e.Data.GetDataPresent(typeof(DefaultSelection)))
{
ISelection sel = (ISelection)e.Data.GetData(typeof(DefaultSelection));
if (sel.ContainsPosition(textArea.Caret.Position))
{
return;
}
if (GetDragDropEffect(e) == DragDropEffects.Move)
{
int len = sel.Length;
textArea.Document.Remove(sel.Offset, len);
if (sel.Offset < offset)
{
offset -= len;
}
}
two = true;
}
textArea.SelectionManager.ClearSelection();
InsertString(offset, (string)e.Data.GetData(typeof(string)));
if (two)
{
textArea.Document.UndoStack.UndoLast(2);
}
textArea.Document.UpdateQueue.Clear();
textArea.Document.RequestUpdate(new TextAreaUpdate(TextAreaUpdateType.WholeTextArea));
} finally {
textArea.EndUpdate();
}
}
}
private void templateEditor_DragDrop(object sender, DragEventArgs e)
{
TreeNode node = (TreeNode)e.Data.GetData(typeof(TreeNode));
ICSharpCode.TextEditor.TextArea textArea = (ICSharpCode.TextEditor.TextArea)sender;
try
{
Hashtable idPack = node.Tag as Hashtable;
switch (idPack["Type"] as string)
{
case "promptgroup":
return;
case "prompt":
break;
}
//Build the variable to insert here
Prompt prompt = idPack["Data"] as Prompt;
Point p = textArea.PointToClient(new Point(e.X, e.Y));
textArea.BeginUpdate();
textArea.Document.UndoStack.StartUndoGroup();
int offset = textArea.Caret.Offset;
if (e.Data.GetDataPresent(typeof(DefaultSelection)))
{
ISelection sel = (ISelection)e.Data.GetData(typeof(DefaultSelection));
if (sel.ContainsPosition(textArea.Caret.Position))
{
return;
}
int len = sel.Length;
textArea.Document.Remove(sel.Offset, len);
if (sel.Offset < offset)
{
offset -= len;
}
}
insertIntoTemplateEditor(textArea, offset, prompt.VariableName);
}
finally
{
textArea.Document.UndoStack.EndUndoGroup();
textArea.EndUpdate();
}
}
void ShowHiddenCursorIfMovedOrLeft()
{
textArea.ShowHiddenCursor(!textArea.Focused ||
!textArea.ClientRectangle.Contains(textArea.PointToClient(Cursor.Position)));
}
