/// <summary>
/// Creates a data object containing the selection's text.
/// </summary>
public virtual DataObject CreateDataObject(TextArea textArea)
{
DataObject data = new DataObject();
// Ensure we use the appropriate newline sequence for the OS
string text = TextUtilities.NormalizeNewLines(GetText(), Environment.NewLine);
// Enable drag/drop to Word, Notepad++ and others
if (EditingCommandHandler.ConfirmDataFormat(textArea, data, DataFormats.UnicodeText))
{
data.SetText(text);
}
// Enable drag/drop to SciTe:
// We cannot use SetText, thus we need to use typeof(string).FullName as data format.
// new DataObject(object) calls SetData(object), which in turn calls SetData(Type, data),
// which then uses Type.FullName as format.
// We immitate that behavior here as well:
if (EditingCommandHandler.ConfirmDataFormat(textArea, data, typeof(string).FullName))
{
data.SetData(typeof(string).FullName, text);
}
// Also copy text in HTML format to clipboard - good for pasting text into Word
// or to the SharpDevelop forums.
if (EditingCommandHandler.ConfirmDataFormat(textArea, data, DataFormats.Html))
{
HtmlClipboard.SetHtml(data, CreateHtmlFragment(new HtmlOptions(textArea.Options)));
}
return(data);
}
const string LineSelectedType = "MSDEVLineSelect"; // This is the type VS 2003 and 2005 use for flagging a whole line copy
static void CopyWholeLine(TextArea textArea, DocumentLine line)
{
ISegment wholeLine = new SimpleSegment(line.Offset, line.TotalLength);
string text = textArea.Document.GetText(wholeLine);
// Ensure we use the appropriate newline sequence for the OS
text = TextUtilities.NormalizeNewLines(text, Environment.NewLine);
DataObject data = new DataObject(text);
// Also copy text in HTML format to clipboard - good for pasting text into Word
// or to the SharpDevelop forums.
IHighlighter highlighter = textArea.GetService(typeof(IHighlighter)) as IHighlighter;
HtmlClipboard.SetHtml(data, HtmlClipboard.CreateHtmlFragment(textArea.Document, highlighter, wholeLine, new HtmlOptions(textArea.Options)));
MemoryStream lineSelected = new MemoryStream(1);
lineSelected.WriteByte(1);
data.SetData(LineSelectedType, lineSelected, false);
try
{
Clipboard.SetDataObject(data, true);
}
catch (ExternalException)
{
// Apparently this exception sometimes happens randomly.
// The MS controls just ignore it, so we'll do the same.
return;
}
textArea.OnTextCopied(new TextEventArgs(text));
}
private void btnCopy_Click(object sender, RoutedEventArgs e)
{
if (_edtXPath.SelectionLength > 0)
{
string text = _edtXPath.SelectedText;
Clipboard.SetText(text);
}
else
{
DataObject dobj = new DataObject();
dobj.SetText(_edtXPath.Text);
try
{
IHighlighter highlighter = new DocumentHighlighter(
_edtXPath.Document, _edtXPath.SyntaxHighlighting.MainRuleSet);
string html = HtmlClipboard.CreateHtmlFragment(
_edtXPath.Document, highlighter, null, new HtmlOptions());
HtmlClipboard.SetHtml(dobj, html);
}
catch
{
//ignore
}
Clipboard.SetDataObject(dobj);
}
}
static void CopySelectedText(TextArea textArea)
{
string text = textArea.Selection.GetText(textArea.Document);
// Ensure we use the appropriate newline sequence for the OS
DataObject data = new DataObject(NewLineFinder.NormalizeNewLines(text, Environment.NewLine));
// Also copy text in HTML format to clipboard - good for pasting text into Word
// or to the SharpDevelop forums.
HtmlClipboard.SetHtml(data, HtmlClipboard.CreateHtmlFragmentForSelection(textArea, new HtmlOptions(textArea.Options)));
Clipboard.SetDataObject(data, true);
}
/// <summary>
/// Creates a data object containing the selection's text.
/// </summary>
public virtual DataObject CreateDataObject(TextArea textArea)
{
string text = GetText(textArea.Document);
// Ensure we use the appropriate newline sequence for the OS
DataObject data = new DataObject(TextUtilities.NormalizeNewLines(text, Environment.NewLine));
// we cannot use DataObject.SetText - then we cannot drag to SciTe
// (but dragging to Word works in both cases)
// Also copy text in HTML format to clipboard - good for pasting text into Word
// or to the SharpDevelop forums.
HtmlClipboard.SetHtml(data, CreateHtmlFragment(textArea, new HtmlOptions(textArea.Options)));
return data;
}
const string LineSelectedType = "MSDEVLineSelect"; // This is the type VS 2003 and 2005 use for flagging a whole line copy
static void CopyWholeLine(TextArea textArea, DocumentLine line)
{
ISegment wholeLine = new SimpleSegment(line.Offset, line.TotalLength);
string text = textArea.Document.GetText(wholeLine);
// Ensure we use the appropriate newline sequence for the OS
DataObject data = new DataObject(NewLineFinder.NormalizeNewLines(text, Environment.NewLine));
// Also copy text in HTML format to clipboard - good for pasting text into Word
// or to the SharpDevelop forums.
DocumentHighlighter highlighter = textArea.GetService(typeof(DocumentHighlighter)) as DocumentHighlighter;
HtmlClipboard.SetHtml(data, HtmlClipboard.CreateHtmlFragment(textArea.Document, highlighter, wholeLine, new HtmlOptions(textArea.Options)));
MemoryStream lineSelected = new MemoryStream(1);
lineSelected.WriteByte(1);
data.SetData(LineSelectedType, lineSelected, false);
Clipboard.SetDataObject(data, true);
}
void StartDrag()
{
// prevent nested StartDrag calls
mode = SelectionMode.Drag;
// mouse capture and Drag'n'Drop doesn't mix
textArea.ReleaseMouseCapture();
string text = textArea.Selection.GetText(textArea.Document);
text = NewLineFinder.NormalizeNewLines(text, Environment.NewLine);
DataObject dataObject = new DataObject(text);
// we cannot use DataObject.SetText - then we cannot drag to SciTe
// (but dragging to Word works in both cases)
// also copy as HTML - adds syntax highlighting when dragging to Word
string htmlFragment = HtmlClipboard.CreateHtmlFragmentForSelection(textArea, new HtmlOptions(textArea.Options));
HtmlClipboard.SetHtml(dataObject, htmlFragment);
DragDropEffects allowedEffects = DragDropEffects.All;
var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
object dragDescriptor = new object();
this.currentDragDescriptor = dragDescriptor;
DragDropEffects resultEffect;
using (textArea.AllowCaretOutsideSelection()) {
var oldCaretPosition = textArea.Caret.Position;
try {
Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
} catch (COMException ex) {
// ignore COM errors - don't crash on badly implemented drop targets
Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
return;
}
if (resultEffect == DragDropEffects.None)
{
// reset caret if drag was aborted
textArea.Caret.Position = oldCaretPosition;
}
}
this.currentDragDescriptor = null;
if (deleteOnMove != null && resultEffect == DragDropEffects.Move)
{
bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
if (draggedInsideSingleDocument)
{
textArea.Document.UndoStack.StartContinuedUndoGroup(null);
}
textArea.Document.BeginUpdate();
try {
foreach (ISegment s in deleteOnMove)
{
textArea.Document.Remove(s.Offset, s.Length);
}
} finally {
textArea.Document.EndUpdate();
if (draggedInsideSingleDocument)
{
textArea.Document.UndoStack.EndUndoGroup();
}
}
}
}