Exemple #1
0
 /// <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();
            }
        }