/// <summary>
/// Adds the column and child columns into the columns collection.
/// </summary>
/// <param name="column"></param>
/// <param name="columns"></param>
/// <param name="parentColumnKey"></param>
private void AddColumns(DexihDatalinkColumn column, IDictionary <long, DexihDatalinkColumn> columns, long?parentColumnKey = null)
{
if (column != null && !columns.ContainsKey(column.Key))
{
if (column.ParentDatalinkColumnKey == null)
{
column.ParentDatalinkColumnKey = parentColumnKey;
}
columns[column.Key] = column;
foreach (var childColumn in column.ChildColumns)
{
AddColumns(childColumn, columns, column.Key);
}
}
}
/// <summary>
/// Resets the childcolumns of a column with unique column instances.
/// </summary>
/// <param name="column"></param>
/// <param name="columns"></param>
private void ResetChildColumns(DexihDatalinkColumn column, IReadOnlyDictionary <long, DexihDatalinkColumn> columns)
{
if (column.ChildColumns != null && column.ChildColumns.Any())
{
var childColumns = new HashSet <DexihDatalinkColumn>();
foreach (var childColumn in column.ChildColumns)
{
if (columns.ContainsKey(childColumn.Key))
{
childColumns.Add(columns[childColumn.Key]);
}
else
{
childColumns.Add(childColumn);
}
ResetChildColumns(childColumn, columns);
}
column.ChildColumns = childColumns;
}
}
