package net.sourceforge.squirrel_sql.client.session.mainpanel.overview.datascale;
import net.sourceforge.squirrel_sql.fw.datasetviewer.ColumnDisplayDefinition;
import java.util.Comparator;
import java.util.List;
/**
* This class can handle any type though the way it compares is inadequate for certain types.
*/
public class StringIndexedColumn extends IndexedColumn
{
private CharRange _charRange = new CharRange();
public StringIndexedColumn(List<Object[]> rows, int colIx, ColumnDisplayDefinition colDef)
{
super(rows, colIx, colDef);
Comparator comparator = new Comparator<Object>()
{
@Override
public int compare(Object ix1, Object ix2)
{
if( ix1 instanceof NoIx && ix2 instanceof NoIx)
{
return compareString(((NoIx) ix1).get(), ((NoIx) ix2).get());
}
else if(ix1 instanceof NoIx)
{
return compareString(((NoIx) ix1).get(), getRow((Integer) ix2));
}
else if(ix2 instanceof NoIx)
{
return compareString(getRow((Integer) ix1), ((NoIx) ix2).get());
}
else
{
return compareString(getRow((Integer) ix1), getRow((Integer) ix2));
}
}
};
_charRange.beginInit();
sortIx(comparator);
_charRange.endInit();
}
private int compareString(Object o1, Object o2)
{
String s1 = null;
if (null != o1)
{
s1 = o1.toString();
}
String s2 = null;
if (null != o2)
{
s2 = o2.toString();
}
_charRange.init(s1);
_charRange.init(s2);
if(s1 == null && s2 != null)
{
return -1;
}
else if(s1 != null && s2 == null)
{
return 1;
}
else if(s1 == null && s2 == null)
{
return 0;
}
return s1.compareTo(s2);
}
public Calculator getCalculator()
{
return new StringCalculator(_charRange);
}
}