/// <summary>
/// Copies selected content to the clipboard
/// </summary>
public void Copy()
{
if (textBoxTemplated != null)
{
textBoxTemplated.Copy();
}
else
{
textBox.Copy();
}
}
/// <summary>
/// This virtual method is called when ApplicationCommands.Copy command is executed.
/// </summary>
/// <param name="args"></param>
protected virtual void OnExecutedCopy(ExecutedRoutedEventArgs args)
{
if (ClipboardCopyMode == DataGridClipboardCopyMode.None)
{
throw new NotSupportedException(SR.Get(SRID.ClipboardCopyMode_Disabled));
}
args.Handled = true;
// Supported default formats: Html, Text, UnicodeText and CSV
Collection<string> formats = new Collection<string>(new string[] { DataFormats.Html, DataFormats.Text, DataFormats.UnicodeText, DataFormats.CommaSeparatedValue });
Dictionary<string, StringBuilder> dataGridStringBuilders = new Dictionary<string, StringBuilder>(formats.Count);
foreach (string format in formats)
{
dataGridStringBuilders[format] = new StringBuilder();
}
int minRowIndex;
int maxRowIndex;
int minColumnDisplayIndex;
int maxColumnDisplayIndex;
// Get the bounding box of the selected cells
if (_selectedCells.GetSelectionRange(out minColumnDisplayIndex, out maxColumnDisplayIndex, out minRowIndex, out maxRowIndex))
{
// Add column headers if enabled
if (ClipboardCopyMode == DataGridClipboardCopyMode.IncludeHeader)
{
DataGridRowClipboardEventArgs preparingRowClipboardContentEventArgs = new DataGridRowClipboardEventArgs(null, minColumnDisplayIndex, maxColumnDisplayIndex, true /*IsColumnHeadersRow*/);
OnCopyingRowClipboardContent(preparingRowClipboardContentEventArgs);
foreach (string format in formats)
{
dataGridStringBuilders[format].Append(preparingRowClipboardContentEventArgs.FormatClipboardCellValues(format));
}
}
// Add each selected row
for (int i = minRowIndex; i <= maxRowIndex; i++)
{
object row = Items[i];
// Row has a selecion
if (_selectedCells.Intersects(i))
{
DataGridRowClipboardEventArgs preparingRowClipboardContentEventArgs = new DataGridRowClipboardEventArgs(row, minColumnDisplayIndex, maxColumnDisplayIndex, false /*IsColumnHeadersRow*/, i);
OnCopyingRowClipboardContent(preparingRowClipboardContentEventArgs);
foreach (string format in formats)
{
dataGridStringBuilders[format].Append(preparingRowClipboardContentEventArgs.FormatClipboardCellValues(format));
}
}
}
}
ClipboardHelper.GetClipboardContentForHtml(dataGridStringBuilders[DataFormats.Html]);
try
{
DataObject dataObject = new DataObject();
foreach (string format in formats)
{
dataObject.SetData(format, dataGridStringBuilders[format].ToString(), false /*autoConvert*/);
}
Clipboard.SetDataObject(dataObject);
}
catch (SecurityException)
{
// In partial trust we will have a security exception because clipboard operations require elevated permissions
// Bug: Once the security team fix Clipboard.SetText - we can remove this catch
// Temp: Use TextBox.Copy to have at least Text format in the clipboard
TextBox textBox = new TextBox();
textBox.Text = dataGridStringBuilders[DataFormats.Text].ToString();
textBox.SelectAll();
textBox.Copy();
}
}
