public string SelectedToClipboard()
{
if (SelectedTreeNode.Count == 0)
{
return(string.Empty);
}
var minLevel = int.MaxValue;
var maxLevel = int.MinValue;
foreach (var item in SelectedTreeNode)
{
if (minLevel > item.Level)
{
minLevel = item.Level;
}
if (maxLevel < item.Level)
{
maxLevel = item.Level;
}
}
var buffer = new StringBuilder();
var sbHtml = new StringBuilder();
sbHtml.AppendLine(HTMLStyle.TableOpen);
// Should follow display of nodes...
foreach (var item in SelectedTreeNode)
{
var text = item.Text;
sbHtml.Append(HTMLStyle.TROpen);
// TreeData Tag is teh first column
if (item.Tag is FormHierarchyDisplay.TreeData data)
{
text = data.Title;
if (!string.IsNullOrEmpty(data.Tag))
{
sbHtml.Append(HTMLStyle.AddTd("<td>{0}</td>", data.Tag));
buffer.Append(data.Tag);
buffer.Append("\t");
if (text.StartsWith(data.Tag, StringComparison.Ordinal))
{
text = text.Substring(data.Tag.Length).TrimStart(' ', '-');
}
}
else
{
sbHtml.Append(HTMLStyle.TDEmpty);
}
}
// Depending on Level add columns
for (var level = minLevel; level < item.Level; level++)
{
buffer.Append("\t");
sbHtml.Append(HTMLStyle.TDEmpty);
}
sbHtml.Append(
HTMLStyle.AddTd(
"<td colspan='{0}'>{1}</td>",
((maxLevel - item.Level) + 1).ToString(CultureInfo.InvariantCulture),
text));
buffer.Append(text);
for (var level = item.Level + 1; level < maxLevel; level++)
{
buffer.Append("\t");
}
// TreeData Children Count is the last column
if (item.Tag is FormHierarchyDisplay.TreeData data2)
{
sbHtml.Append(HTMLStyle.AddTd("<td>{0}</td>", data2.Children.Count));
buffer.Append(data2.Children.Count);
}
sbHtml.AppendLine(HTMLStyle.TRClose);
buffer.AppendLine();
}
sbHtml.AppendLine(HTMLStyle.TableClose);
var dataObject = new DataObject();
dataObject.SetData(DataFormats.Html, true, HTMLStyle.ConvertToHtmlFragment(sbHtml.ToString()));
dataObject.SetData(DataFormats.Text, true, buffer.ToString());
Clipboard.Clear();
Clipboard.SetDataObject(dataObject, false, 5, 200);
return(buffer.ToString());
}
/// <summary>
/// Copies all cells to the clipboard
/// </summary>
/// <param name="addErrorInfo">if set to <c>true</c> [add error information].</param>
/// <param name="cutLength">if set to <c>true</c> [cut length].</param>
/// <param name="alternatingRows">if set to <c>true</c> [alternating rows].</param>
/// <param name="columns">The columns.</param>
/// <param name="rows">The rows.</param>
/// <param name="cancellationToken">The cancellation token.</param>
private void CopyAllCellsIntoClipboard(
bool addErrorInfo,
bool cutLength,
bool alternatingRows,
[NotNull] DataGridViewColumnCollection columns,
[NotNull] DataGridViewRowCollection rows,
CancellationToken cancellationToken)
{
var buffer = new StringBuilder();
var sbHtml = new StringBuilder(m_HtmlStyle.TableOpen);
sbHtml.Append(m_HtmlStyle.TROpenAlt);
var first = true;
var visibleColumns = new SortedDictionary <int, DataGridViewColumn>();
foreach (DataGridViewColumn c in columns)
{
// Do not include the error field it will be retrieved from the error collection with nice coloring
if (c.Visible && c.HeaderText != ReaderConstants.cErrorField)
{
visibleColumns.Add(c.DisplayIndex, c);
}
}
var hasRowError = HasRowErrors(0, rows.Count, rows);
foreach (var col in visibleColumns.Values)
{
var headerText = col.HeaderText;
sbHtml.Append(HTMLStyle.AddTd(m_HtmlStyle.TH, headerText));
if (!first)
{
buffer.Append('\t');
}
else
{
first = false;
}
buffer.Append(EscapeTab(headerText));
}
if (hasRowError && addErrorInfo)
{
sbHtml.Append(HTMLStyle.AddTd(m_HtmlStyle.TH, c_ErrorInfo));
buffer.Append('\t');
buffer.Append(c_ErrorInfo);
}
sbHtml.AppendLine(m_HtmlStyle.TRClose);
buffer.AppendLine();
var trAlternate = false;
var lastRefresh = DateTime.Now;
for (var row = 0; row < rows.Count; row++)
{
if (rows[row].IsNewRow)
{
break;
}
sbHtml.Append(trAlternate ? m_HtmlStyle.TROpenAlt : m_HtmlStyle.TROpen);
if (alternatingRows)
{
trAlternate = !trAlternate;
}
first = true;
foreach (var col in visibleColumns.Values)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
var cell = rows[row].Cells[col.Index];
AddCell(cell, buffer, sbHtml, !first, addErrorInfo, cutLength, m_HtmlStyle);
first = false;
}
AppendRowError(buffer, sbHtml, rows[row].ErrorText, addErrorInfo && hasRowError, m_HtmlStyle);
sbHtml.AppendLine(m_HtmlStyle.TRClose);
buffer.AppendLine();
if (!((DateTime.Now - lastRefresh).TotalSeconds > 0.2))
{
continue;
}
lastRefresh = DateTime.Now;
Extensions.ProcessUIElements();
}
sbHtml.AppendLine(m_HtmlStyle.TableClose);
var dataObject = new DataObject();
dataObject.SetData(DataFormats.Html, true, m_HtmlStyle.ConvertToHtmlFragment(sbHtml.ToString()));
dataObject.SetData(DataFormats.Text, true, buffer.ToString());
dataObject.SetClipboard();
}
