/*
* Copyright (C) 2006-2016 DLR, Germany
*
* All rights reserved
*
* http://www.rcenvironment.de/
*/
package de.rcenvironment.components.excel.gui.view;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import de.rcenvironment.components.excel.common.ChannelValue;
/**
* Table sorter.
*
* @author Markus Kunde
*/
public class TableSorter extends ViewerSorter {
// private static final int ASCENDING = 0;
private static final int DESCENDING = 1;
private int propertyIndex;
private int direction = DESCENDING;
public TableSorter() {
this.propertyIndex = 0;
direction = DESCENDING;
}
/**
* Set column of sorter.
*
* @param column the column
*/
public void setColumn(final int column) {
if (column == this.propertyIndex) {
// Same column as last sort; toggle the direction
direction = 1 - direction;
} else {
// New column; do an ascending sort
this.propertyIndex = column;
direction = DESCENDING;
}
}
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
ChannelValue channelValue1 = (ChannelValue) e1;
ChannelValue channelValue2 = (ChannelValue) e2;
int rc = 0;
switch (propertyIndex) {
case 0:
String a = channelValue1.getValues().toString();
String b = channelValue2.getValues().toString();
rc = a.compareTo(b);
break;
case 1:
rc = channelValue1.getChannelName().compareTo(channelValue2.getChannelName());
break;
case 2:
rc = (int) (channelValue1.getIteration() - channelValue2.getIteration());
break;
case 3:
rc = Boolean.valueOf(channelValue1.isInputValue()).compareTo(Boolean.valueOf(channelValue2.isInputValue()));
break;
default:
rc = 0;
}
// If descending order, flip the direction
if (direction == DESCENDING) {
rc = -rc;
}
return rc;
}
}