lyx_mirror/src/mathed/math_casesinset.C

#include <config.h>


#include "math_casesinset.h"
#include "math_parser.h"
#include "math_mathmlstream.h"
#include "math_support.h"
#include "LaTeXFeatures.h"
#include "support/LOstream.h"


MathCasesInset::MathCasesInset(row_type n)
	: MathGridInset(2, n, 'c', "ll")
{}


MathInset * MathCasesInset::clone() const
{
	return new MathCasesInset(*this);
}


void MathCasesInset::metrics(MetricsInfo & mi) const
{
	MathGridInset::metrics(mi);
	dim_.w += 8;
}


void MathCasesInset::draw(PainterInfo & pain, int x, int y) const
{
	mathed_draw_deco(pain, x + 1, y - ascent(), 6, height(), "{");
	MathGridInset::draw(pain, x + 8, y);
}


void MathCasesInset::write(WriteStream & os) const
{
	if (os.fragile())
		os << "\\protect";
	os << "\\begin{cases}\n";
	MathGridInset::write(os);
	if (os.fragile())
		os << "\\protect";
	os << "\\end{cases}";
}


void MathCasesInset::normalize(NormalStream & os) const
{
	os << "[cases ";
	MathGridInset::normalize(os);
	os << ']';
}


void MathCasesInset::maple(MapleStream & os) const
{
	os << "cases(";
	MathGridInset::maple(os);
	os << ')';
}


void MathCasesInset::infoize(std::ostream & os) const
{
	os << "Cases ";
}


void MathCasesInset::validate(LaTeXFeatures & features) const
{
	features.require("amsmath");
	MathGridInset::validate(features);
}