lyx_mirror/src/mathed/InsetMathCases.cpp

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/**
* \file InsetMathCases.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Andr<EFBFBD> P<EFBFBD>nitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetMathCases.h"
#include "Cursor.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "support/gettext.h"
#include "LaTeXFeatures.h"
#include "MathData.h"
#include "MathStream.h"
#include "MathSupport.h"
#include "MetricsInfo.h"
#include "support/lstrings.h"
#include <ostream>
using namespace std;
using namespace lyx::support;
namespace lyx {
InsetMathCases::InsetMathCases(row_type n)
: InsetMathGrid(2, n, 'c', from_ascii("ll"))
{}
Inset * InsetMathCases::clone() const
{
return new InsetMathCases(*this);
}
void InsetMathCases::metrics(MetricsInfo & mi, Dimension & dim) const
{
InsetMathGrid::metrics(mi, dim);
dim.wid += 8;
}
Dimension const InsetMathCases::dimension(BufferView const & bv) const
{
Dimension dim = InsetMathGrid::dimension(bv);
dim.wid += 8;
return dim;
}
void InsetMathCases::draw(PainterInfo & pi, int x, int y) const
{
Dimension const dim = dimension(*pi.base.bv);
mathed_draw_deco(pi, x + 1, y - dim.ascent(), 6, dim.height(), from_ascii("{"));
InsetMathGrid::drawWithMargin(pi, x, y, 8, 0);
setPosCache(pi, x, y);
}
void InsetMathCases::doDispatch(Cursor & cur, FuncRequest & cmd)
{
//lyxerr << "*** InsetMathCases: request: " << cmd << endl;
switch (cmd.action) {
case LFUN_TABULAR_FEATURE: {
cur.recordUndo();
docstring const & s = cmd.argument();
if (s == "add-vline-left" || s == "add-vline-right") {
cur.undispatched();
break;
}
}
default:
InsetMathGrid::doDispatch(cur, cmd);
}
}
bool InsetMathCases::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & flag) const
{
switch (cmd.action) {
case LFUN_TABULAR_FEATURE: {
docstring const & s = cmd.argument();
if (s == "add-vline-left" || s == "add-vline-right") {
flag.setEnabled(false);
flag.message(bformat(
from_utf8(N_("No vertical grid lines in 'cases': feature %1$s")),
s));
return true;
}
}
default:
return InsetMathGrid::getStatus(cur, cmd, flag);
}
}
void InsetMathCases::write(WriteStream & os) const
{
MathEnsurer ensurer(os);
if (os.fragile())
os << "\\protect";
os << "\\begin{cases}\n";
InsetMathGrid::write(os);
if (os.fragile())
os << "\\protect";
os << "\\end{cases}";
}
void InsetMathCases::normalize(NormalStream & os) const
{
os << "[cases ";
InsetMathGrid::normalize(os);
os << ']';
}
void InsetMathCases::maple(MapleStream & os) const
{
os << "cases(";
InsetMathGrid::maple(os);
os << ')';
}
void InsetMathCases::infoize(odocstream & os) const
{
os << "Cases ";
}
void InsetMathCases::validate(LaTeXFeatures & features) const
{
features.require("amsmath");
InsetMathGrid::validate(features);
}
} // namespace lyx