/*
GeoGebra - Dynamic Mathematics for Everyone
http://www.geogebra.org
This file is part of GeoGebra.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation.
*/
package org.geogebra.common.kernel.algos;
import org.geogebra.common.kernel.Construction;
import org.geogebra.common.kernel.commands.Commands;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoList;
import org.geogebra.common.kernel.geos.GeoNumeric;
/**
* Sort a list. Adapted from AlgoMax and AlgoIterationList
*
* @author Michael Borcherds
* @version 04-01-2008
*/
public class AlgoPointList extends AlgoElement {
private GeoList inputList; // input
private GeoList outputList; // output
private int size;
public AlgoPointList(Construction cons, String label, GeoList inputList) {
super(cons);
this.inputList = inputList;
outputList = new GeoList(cons);
setInputOutput();
compute();
outputList.setLabel(label);
}
@Override
public Commands getClassName() {
return Commands.PointList;
}
@Override
protected void setInputOutput() {
input = new GeoElement[1];
input[0] = inputList;
super.setOutputLength(1);
super.setOutput(0, outputList);
setDependencies(); // done by AlgoElement
}
public GeoList getResult() {
return outputList;
}
@Override
public final void compute() {
size = inputList.size();
if (!inputList.isDefined() || size == 0) {
outputList.setUndefined();
return;
}
// copy the sorted treeset back into a list
outputList.setDefined(true);
outputList.clear();
boolean suppressLabelCreation = cons.isSuppressLabelsActive();
cons.setSuppressLabelCreation(true);
for (int i = 0; i < size; i++) {
GeoElement geo = inputList.get(i);
if (geo.isGeoList()) {
GeoList list = (GeoList) geo;
if (list.size() == 2) {
GeoElement geoX = list.get(0);
GeoElement geoY = list.get(1);
if (geoX.isGeoNumeric() && geoY.isGeoNumeric()) {
outputList.addPoint(((GeoNumeric) geoX).getDouble(),
((GeoNumeric) geoY).getDouble(), 1.0, this);
}
}
}
}
cons.setSuppressLabelCreation(suppressLabelCreation);
}
}