public override object GetValue(SourceGrid2.Position pos)
{
if (pos.Row == 1)
{
return("=");
}
else if (pos.Row == Grid.RowsCount - 1)
{
return("*");
}
else
{
return(pos.Row - 2);
}
}
public override void SetValue(SourceGrid2.Position pos, object x)
{
if (pos.Column == 4)
{
if (pos.Row == Grid.RowsCount - 1)
{
data.Length = Grid.RowsCount - M;
Grid.RowsCount += 1;
}
data.dy[pos.Row - M] = (double)x;
}
else
{
throw new IndexOutOfRangeException("invalid column index: " + pos.Column);
}
OnValueChanged(new SourceGrid2.PositionEventArgs(pos, this));
}
public override object GetValue(SourceGrid2.Position pos)
{
if (pos.Column == 4)
{
if (pos.Row == Grid.RowsCount - 1)
{
return(null);
}
else
{
return(data.dy[pos.Row - M]);
}
}
else
{
throw new IndexOutOfRangeException("invalid column index: " + pos.Column);
}
}
public override object GetValue(SourceGrid2.Position pos)
{
switch (pos.Column)
{
case 1:
return("x[n]");
case 2:
return("y[n]");
case 3:
return("dx[n]");
case 4:
return("dy[n]");
default:
throw new IndexOutOfRangeException("invalid column index: " + pos.Column);
}
}
public override void SetValue(SourceGrid2.Position pos, object x)
{
string s = (string)x;
if (EmptyString(s))
{
s = null;
}
switch (pos.Column)
{
case 1:
data.x.source = s;
Compile();
break;
case 2:
data.y.source = s;
Compile();
break;
case 3:
data.dx.source = s;
Compile();
break;
case 4:
data.dy.source = s;
Compile();
break;
default:
throw new IndexOutOfRangeException("invalid column index: " + pos.Column);
}
((DataGrid)Grid).RefreshCellStyle();
OnValueChanged(new SourceGrid2.PositionEventArgs(pos, this));
}
public override void SetValue(SourceGrid2.Position p_Position, object p_Value)
{
throw new ApplicationException("Cannot change this kind of cell");
}
public override object GetValue(SourceGrid2.Position p_Position)
{
return("n");
}
public override void SetSortMode(SourceGrid2.Position p_Position, SourceGrid2.GridSortMode p_Mode)
{
}
public override SourceGrid2.SortStatus GetSortStatus(SourceGrid2.Position p_Position)
{
return(new SourceGrid2.SortStatus(SourceGrid2.GridSortMode.None, false));
}