/*
* Copyright (C) 2011 Alasdair C. Hamilton
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package ket.math.purpose.symbolicFunctions;
import java.awt.*;
import java.util.*;
import ket.display.*;
import ket.display.box.Box;
import ket.display.box.BoxGraphic;
import ket.display.box.BoxList;
import ket.display.box.BoxTools;
import ket.math.*;
import ket.math.purpose.SymbolicState;
/**
* A specific mathematical operation that acts on arguments in a case-specific
* way.
*/
public class SymbolicFunctionAbs extends SymbolicFunctionForm {
@Override
public String toLatex(Vector<Argument> args) {
return super.toLatex(args);
}
@Override
public String toHTML(Vector<Argument> args) {
return super.toHTML(args);
}
@Override
public Box toBox(Argument argument, long settings, ColourScheme colourScheme, Vector<Argument> args) {
if (args.size()!=1) {
return super.toBox(argument, settings, colourScheme, args);
}
Vector<Box> boxArgs = new Vector<Box>();
long es = settings|Box.SUPPRESS_BRACKETS;
Box arg = args.get(0).toBox(es, colourScheme);
boxArgs.add(arg);
return toBox(argument, boxArgs, settings, colourScheme);
}
@Override
public Box toBox(Argument argument, Vector<Box> boxArgs, long settings, ColourScheme colourScheme) {
if (boxArgs.size()!=1) {
// Unreachable
return super.toBox(argument, boxArgs, settings, colourScheme);
}
BoxGraphic left = new BoxGraphic(argument, 0L, BoxGraphic.VERTICAL_LINE);
BoxGraphic right = new BoxGraphic(argument, 0L, BoxGraphic.VERTICAL_LINE);
Box box = BoxTools.centredHorizontalBoxList(argument, settings, left, boxArgs.firstElement(), right);
left.setProperty(Box.VERTICAL_STRETCH);
right.setProperty(Box.VERTICAL_STRETCH);
box.setProperty(settings);
return box;
}
}