public static void GenerateClipBoardData(DataObjectCopyingEventArgs e, TextSelection selection)
{
string str;
using (MemoryStream stream = new MemoryStream())
{
TextRange range = new TextRange(selection.Start, selection.End);
range.ClearAllProperties();
range.Save(stream, DataFormats.Xaml, true);
stream.Flush();
stream.Position = 0L;
using (StreamReader reader = new StreamReader(stream))
{
str = reader.ReadToEnd();
}
}
if (!string.IsNullOrEmpty(str))
{
string str2 = ReplaceControls.ReplaceGUIWithClipboardControl(str, selection.Start, selection.End);
if (!string.IsNullOrEmpty(str2) && (str2 != str))
{
e.DataObject.SetData(BamaDataFormat, str2);
}
}
}
/// <summary>
/// Delegate called to disable the capability of dragging selected text of the text box.
/// </summary>
/// <param name="pSender">The modified text box.</param>
/// <param name="pEventArgs">The event arguments.</param>
private void DisableDragCopy(object pSender, DataObjectCopyingEventArgs pEventArgs)
{
if (pEventArgs.IsDragDrop)
{
pEventArgs.CancelCommand();
}
}
private void InputBox_Copying(object sender, DataObjectCopyingEventArgs e)
{
using (new Util_Perf.FunLog("InputBox.InputBox_Copying"))
{
ClipboardMgr.GenerateClipBoardData(e, base.Selection);
}
}
void StartDrag()
{
// prevent nested StartDrag calls
mode = SelectionMode.Drag;
// mouse capture and Drag'n'Drop doesn't mix
textArea.ReleaseMouseCapture();
DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
DragDropEffects allowedEffects = DragDropEffects.All;
var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
foreach (ISegment s in deleteOnMove) {
ISegment[] result = textArea.GetDeletableSegments(s);
if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
allowedEffects &= ~DragDropEffects.Move;
}
}
var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
textArea.RaiseEvent(copyingEventArgs);
if (copyingEventArgs.CommandCancelled)
return;
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 && (allowedEffects & DragDropEffects.Move) == 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();
}
}
}
static bool CopySelectedText(TextArea textArea)
{
var data = textArea.Selection.CreateDataObject(textArea);
var copyingEventArgs = new DataObjectCopyingEventArgs(data, false);
textArea.RaiseEvent(copyingEventArgs);
if (copyingEventArgs.CommandCancelled)
return 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.
}
string text = textArea.Selection.GetText();
text = TextUtilities.NormalizeNewLines(text, Environment.NewLine);
textArea.OnTextCopied(new TextEventArgs(text));
return true;
}
static bool 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();
if (ConfirmDataFormat(textArea, data, DataFormats.UnicodeText))
data.SetText(text);
// Also copy text in HTML format to clipboard - good for pasting text into Word
// or to the SharpDevelop forums.
if (ConfirmDataFormat(textArea, data, DataFormats.Html)) {
IHighlighter highlighter = textArea.GetService(typeof(IHighlighter)) as IHighlighter;
HtmlClipboard.SetHtml(data, HtmlClipboard.CreateHtmlFragment(textArea.Document, highlighter, wholeLine, new HtmlOptions(textArea.Options)));
}
if (ConfirmDataFormat(textArea, data, LineSelectedType)) {
MemoryStream lineSelected = new MemoryStream(1);
lineSelected.WriteByte(1);
data.SetData(LineSelectedType, lineSelected, false);
}
var copyingEventArgs = new DataObjectCopyingEventArgs(data, false);
textArea.RaiseEvent(copyingEventArgs);
if (copyingEventArgs.CommandCancelled)
return 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 false;
}
textArea.OnTextCopied(new TextEventArgs(text));
return true;
}
private static void NoDragCopy(object sender, DataObjectCopyingEventArgs e)
{
if (e.IsDragDrop)
{
e.CancelCommand();
}
}
private void DataObjectCopyingHandler(object sender, DataObjectCopyingEventArgs e)
{
try
{
Clipboard.SetText(RTBExtensions.GetSelectedInlineText(this.richTextBox));
if (SettingsData.Instance.CutIsTriggered)
{
this.richTextBox.Selection.Text = string.Empty;
SettingsData.Instance.CutIsTriggered = false;
}
e.CancelCommand();
}
catch
{
}
}
private static void OnPasteMultiple(object sender, ExecutedRoutedEventArgs args)
{
var textEditor = (TextEditor)sender;
var textArea = textEditor.TextArea;
if (textArea?.Document == null)
return;
var completionWindow = new CompletionWindow(textArea);
// ----- Create completion list.
var completionList = completionWindow.CompletionList;
var completionData = completionList.CompletionData;
var stringBuilder = new StringBuilder();
foreach (var text in ClipboardRing.GetEntries())
{
// Replace special characters for display.
stringBuilder.Clear();
stringBuilder.Append(text);
stringBuilder.Replace("\n", "\\n");
stringBuilder.Replace("\r", "\\r");
stringBuilder.Replace("\t", "\\t");
// Use TextBlock for TextTrimming.
var textBlock = new TextBlock
{
Text = stringBuilder.ToString(),
TextTrimming = TextTrimming.CharacterEllipsis,
MaxWidth = 135
};
completionData.Add(new CompletionData(text, text, null, textBlock));
}
// ----- Show completion window.
completionList.SelectedItem = completionData[0];
completionWindow.Show();
// ----- Handle InsertionRequested event.
completionList.InsertionRequested += (s, e) =>
{
var ta = completionWindow.TextArea;
var cl = completionWindow.CompletionList;
var text = cl.SelectedItem.Text;
// Copy text into clipboard.
var data = new DataObject();
if (EditingCommandHandler.ConfirmDataFormat(ta, data, DataFormats.UnicodeText))
data.SetText(text);
var copyingEventArgs = new DataObjectCopyingEventArgs(data, false);
ta.RaiseEvent(copyingEventArgs);
if (copyingEventArgs.CommandCancelled)
return;
try
{
Clipboard.SetDataObject(data, true);
}
catch (ExternalException)
{
}
ClipboardRing.Add(text);
};
}
private static void OnCopy(object sender, DataObjectCopyingEventArgs e)
{
var control = sender as System.Windows.Controls.TextBox;
if (control == null)
return;
string html = GetHtmlCopyContent(control);
html = HTMLClipboardHelper.GetHtmlDataString(html);
e.DataObject.SetData(DataFormats.UnicodeText, control.Text.ToString(), true);
e.DataObject.SetData(DataFormats.Text, control.Text.ToString(), true);
e.DataObject.SetData(DataFormats.OemText, control.Text.ToString(), true);
e.DataObject.SetData(DataFormats.Html, html, true);
Clipboard.SetDataObject(e.DataObject, true);
e.Handled = true;
e.CancelCommand();
}
private void CopyCommand(object sender, DataObjectCopyingEventArgs args)
{
if (!string.IsNullOrEmpty(Selection.Text))
{
args.DataObject.SetData(typeof(string), Selection.Text);
}
args.Handled = true;
}
