/*
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.cas;
import org.geogebra.common.kernel.CircularDefinitionException;
import org.geogebra.common.kernel.Construction;
import org.geogebra.common.kernel.Kernel;
import org.geogebra.common.kernel.Matrix.Coords;
import org.geogebra.common.kernel.commands.Commands;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoText;
import org.geogebra.common.kernel.kernelND.GeoPointND;
/**
* Algorithm for SurdText(Point)
*
*/
public class AlgoSurdTextPoint extends AlgoSurdText {
private GeoPointND p; // input
private GeoText text; // output
private StringBuilder sbp;
/**
* @param cons
* construction
* @param label
* label for output
* @param p
* input point
*/
public AlgoSurdTextPoint(Construction cons, String label, GeoPointND p) {
this(cons, p);
text.setLabel(label);
}
/**
* @param cons
* construction
* @param p
* input point
*/
AlgoSurdTextPoint(Construction cons, GeoPointND p) {
super(cons);
this.p = p;
sbp = new StringBuilder(50);
text = new GeoText(cons);
text.setLaTeX(true, false);
text.setIsTextCommand(true); // stop editing as text
try {
text.setStartPoint(p, 0);
} catch (CircularDefinitionException e) {
// should never happen
}
setInputOutput();
compute();
}
@Override
public Commands getClassName() {
return Commands.SurdText;
}
@Override
protected void setInputOutput() {
input = new GeoElement[1];
input[0] = (GeoElement) p;
setOutputLength(1);
setOutput(0, text);
setDependencies(); // done by AlgoElement
}
@Override
public GeoText getResult() {
return text;
}
@Override
public final void compute() {
if (input[0].isDefined()) {
sbp.setLength(0);
sbp.append(" \\left( ");
int coordMode = p.getMode();
if (coordMode == Kernel.COORD_CARTESIAN_3D
|| coordMode == Kernel.COORD_SPHERICAL) {
// we want 3D coords
Coords coords = p.getInhomCoordsInD3();
append3dCoords(coords);
} else if (p.isGeoElement3D()) {
// we need to check if z == 0
Coords coords = p.getInhomCoordsInD3();
if (Kernel.isZero(coords.getZ())) {
// z==0 so 2D coords
append2dCoords(coords);
} else {
// z!=0 so 3D coords
append3dCoords(coords);
}
} else {
Coords coords = p.getInhomCoordsInD2();
append2dCoords(coords);
}
sbp.append(" \\right) ");
text.setTextString(sbp.toString());
text.setLaTeX(true, false);
} else {
text.setUndefined();
}
}
private void append3dCoords(Coords coords) {
append(coords.getX());
sbp.append(" , ");
append(coords.getY());
sbp.append(" , ");
append(coords.getZ());
}
private void append2dCoords(Coords coords) {
append(coords.getX());
sbp.append(" , ");
append(coords.getY());
}
private void append(double value) {
PSLQappendQuadratic(sbp, value, text.getStringTemplate());
}
@Override
public boolean isLaTeXTextCommand() {
return true;
}
}