/// <summary>
/// Delete the given row from the underlying columns and notify consumers
/// </summary>
/// <param name="rowIndex"></param>
public void DeleteRow(int rowIndex)
{
// First notify (don't delete first so that consumers can still use the value being deleted)
var rowUpdate = new TableUpdate(TableUpdateAction.Delete, rowIndex);
_subject.OnNext(rowUpdate);
// And then delete from the underlying store
_rowManager.DeleteRow(rowIndex);
foreach (var column in Columns)
{
column.RemoveField(rowIndex);
}
}
public int AddRow()
{
var rowIndex = _rowManager.AddRow();
for (var index = 0; index < Columns.Count; index++)
{
var column = Columns[index];
column.AddField(rowIndex);
}
var rowUpdate = new TableUpdate(TableUpdateAction.Add, rowIndex);
_subject.OnNext(rowUpdate);
return(rowIndex);
}
private void OnNext(IReactiveTable table, TableUpdate update)
{
if (table == _leftTable)
{
_leftUpdateCount++;
if (_leftUpdateCount > _rightUpdateCount)
{
_observer.OnNext(update);
}
}
if (table == _rightTable)
{
_rightUpdateCount++;
if (_rightUpdateCount > _leftUpdateCount)
{
_observer.OnNext(update);
}
}
}
public void OnNext(int rowIndex)
{
var columnUpdate = new TableUpdate(TableUpdateAction.Update, rowIndex, _column);
_observers.OnNext(columnUpdate);
}
/// <summary>
/// Whether this change only affects one or more columns, but not the whole row.
/// </summary>
/// <param name="update"></param>
/// <returns></returns>
public static bool IsColumnUpdate(TableUpdate update)
{
return(update.IsColumnUpdate());
}
/// <summary>
/// Whether this change affects the whole row
/// </summary>
/// <param name="update"></param>
/// <returns></returns>
public static bool IsRowUpdate(TableUpdate update)
{
return(update.IsRowUpdate());
}