/*
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.
*/
/*
* AlgoDependentNumber.java
*
* Created on 30. August 2001, 21:37
*/
package org.geogebra.common.kernel.advanced;
import org.geogebra.common.kernel.Construction;
import org.geogebra.common.kernel.algos.AlgoElement;
import org.geogebra.common.kernel.commands.Commands;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoNumeric;
/**
* Returns the name of a GeoElement as a GeoText.
*
* @author Markus
*/
public class AlgoConstructionStep extends AlgoElement {
// private GeoElement geo; // input
protected GeoNumeric num; // output
// private Construction cons;
public AlgoConstructionStep(Construction cons, String label) {
super(cons);
// this.cons=cons;
// this.geo = geo;
num = new GeoNumeric(cons);
setInputOutput(); // for AlgoElement
// compute angle
compute();
num.setLabel(label);
}
@Override
public Commands getClassName() {
return Commands.ConstructionStep;
}
// for AlgoElement
@Override
protected void setInputOutput() {
input = new GeoElement[0];
super.setOutputLength(1);
super.setOutput(0, num);
setDependencies(); // done by AlgoElement
}
public GeoNumeric getResult() {
return num;
}
@Override
final public boolean wantsConstructionProtocolUpdate() {
return true;
}
// calc the current value of the arithmetic tree
@Override
public final void compute() {
// double
// step=cons.getApplication().getConstructionProtocol().getCurrentStepNumber();
double step = cons.getStep();
// Application.debug("compute"+step+" "+kernel.getConstructionStep());
num.setValue(step + 1);
// num.setValue(cons.getStep());
}
}