public TreeViewGrid()
{
InitializeComponent();
// Create a list of items to put in the view (will be populated in SetController() call.
m_flattenedTree = new ObservableCollectionEx <TreeViewGridNode>();
Grid.ItemsSource = m_flattenedTree;
// Make the name column have tree control behavior
var nameColumn = Grid.Columns[0] as DataGridTemplateColumn;
Debug.Assert(nameColumn != null);
var template = (DataTemplate)Resources["TreeControlCell"];
Debug.Assert(template != null);
nameColumn.CellTemplate = template;
// Put the indentation in when we cut and paste
nameColumn.ClipboardContentBinding = new Binding("IndentedName");
Grid.CopyingRowClipboardContent += delegate(object sender, DataGridRowClipboardEventArgs e)
{
for (int i = 0; i < e.ClipboardRowContent.Count; i++)
{
var clipboardContent = e.ClipboardRowContent[i];
string morphedContent = null;
if (e.IsColumnHeadersRow)
{
morphedContent = GetColumnHeaderText(clipboardContent.Column);
}
else
{
var cellContent = clipboardContent.Content;
if (cellContent is float)
{
morphedContent = GoodPrecision((float)cellContent, clipboardContent.Column);
}
else if (cellContent is double)
{
morphedContent = GoodPrecision((double)cellContent, clipboardContent.Column);
}
else if (cellContent != null)
{
morphedContent = cellContent.ToString();
}
else
{
morphedContent = "";
}
morphedContent = CompressContent(morphedContent);
}
if (e.ClipboardRowContent.Count > 1)
{
morphedContent = PadForColumn(morphedContent, i + e.StartColumnDisplayIndex);
}
// TODO Ugly, morph two cells on different rows into one line for the correct cut/paste experience
// for ranges.
if (m_clipboardRangeEnd != m_clipboardRangeStart) // If we have just 2 things selected (and I can tell them apart)
{
if (VeryClose(morphedContent, m_clipboardRangeStart))
{
e.ClipboardRowContent.Clear();
morphedContent = morphedContent + " " + m_clipboardRangeEnd;
e.ClipboardRowContent.Add(new DataGridClipboardCellContent(clipboardContent.Item, clipboardContent.Column, morphedContent));
return;
}
else if (VeryClose(morphedContent, m_clipboardRangeEnd))
{
e.ClipboardRowContent.Clear();
return;
}
}
e.ClipboardRowContent[i] = new DataGridClipboardCellContent(clipboardContent.Item, clipboardContent.Column, morphedContent);
}
};
}
