dmolony-DiskBrowser/src/com/bytezone/diskbrowser/visicalc/Choose.java

49 lines
1.4 KiB
Java

package com.bytezone.diskbrowser.visicalc;
import com.bytezone.diskbrowser.visicalc.Cell.CellType;
// -----------------------------------------------------------------------------------//
class Choose extends ValueListFunction
// -----------------------------------------------------------------------------------//
{
// ---------------------------------------------------------------------------------//
Choose (Cell cell, String text)
// ---------------------------------------------------------------------------------//
{
super (cell, text);
assert text.startsWith ("@CHOOSE(") : text;
}
// ---------------------------------------------------------------------------------//
@Override
public void calculate ()
// ---------------------------------------------------------------------------------//
{
Value source = list.get (0);
valueResult = ValueResult.VALID;
source.calculate ();
if (!source.isValid ())
{
valueResult = source.getValueResult ();
return;
}
int index = (int) source.getDouble ();
if (index < 1 || index >= list.size ())
{
valueResult = ValueResult.NA;
return;
}
Cell cell = (Cell) list.get (index);
if (cell.isCellType (CellType.EMPTY))
valueResult = ValueResult.NA;
else
{
valueResult = cell.getValueResult ();
value = cell.getDouble ();
}
}
}