/// <summary>
/// Add column to "selected" list (and remove from "available" list)
/// </summary>
/// <param name="column"></param>
private void AddColumn(GuiGridColumn column)
{
SelectedColumns.Add(column);
AvailableColumns.Remove(column);
SelectedSelectedColumn = column;
SelectedAvailableColumn = null;
}
public void Add()
{
var selected = AvailableColumns.Where(c => c.IsSelected).ToArray();
foreach (var item in selected)
{
AvailableColumns.Remove(item);
item.IsSelected = false;
SelectedColumns.Add(item);
}
}
private void ShowColumns()
{
// ToArray used to detach the selection collection while we change the lists.
foreach (var col in SelectedAvailableColumns.ToArray())
{
AvailableColumns.Remove(col);
VisibleColumns.Add(col);
}
SelectedAvailableColumns.Clear();
}
public void Reset()
{
while (SelectedColumns.Count > 0)
{
AvailableColumns.Add(SelectedColumns[0]);
SelectedColumns.RemoveAt(0);
}
foreach (var column in DefaultColumns)
{
AvailableColumns.Remove(column);
SelectedColumns.Add(column);
}
}
public void DragDrop(object sourceHost, FieldMapperGridColumn source, object targetHost, FieldMapperGridColumn target, out FieldMapperGridColumn showAvailable, out FieldMapperGridColumn showSelected)
{
showAvailable = null;
showSelected = null;
if (sourceHost == AvailableColumns && targetHost == AvailableColumns)
{
return;
}
if (sourceHost == AvailableColumns && targetHost == SelectedColumns && source != target)
{
source.Visible = true;
AvailableColumns.Remove(source);
if (target == null)
{
AvailableColumns.Add(source);
}
else
{
AvailableColumns.Insert(AvailableColumns.IndexOf(target), source);
}
}
else if (sourceHost == SelectedColumns && targetHost == AvailableColumns)
{
source.Visible = false;
showAvailable = source;
}
else if (source != target)
{
AvailableColumns.Remove(source);
if (target == null)
{
AvailableColumns.Add(source);
}
else
{
AvailableColumns.Insert(AvailableColumns.IndexOf(target), source);
}
}
}