lyx_mirror/src/mathed/math_casesinset.C

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/**
* \file math_casesinset.C
* 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 "math_casesinset.h"
#include "math_data.h"
#include "math_mathmlstream.h"
#include "math_support.h"
#include "FuncStatus.h"
#include "LaTeXFeatures.h"
#include "support/std_ostream.h"
#include "cursor.h"
#include "funcrequest.h"
#include "gettext.h"
#include "undo.h"
#include "support/lstrings.h"
#include <sstream>
using lyx::support::bformat;
using std::endl;
using std::max;
using std::min;
using std::swap;
using std::istringstream;
using std::string;
using std::auto_ptr;
MathCasesInset::MathCasesInset(row_type n)
: MathGridInset(2, n, 'c', "ll")
{}
auto_ptr<InsetBase> MathCasesInset::doClone() const
{
return auto_ptr<InsetBase>(new MathCasesInset(*this));
}
void MathCasesInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
MathGridInset::metrics(mi);
dim_.wid += 8;
dim = dim_;
}
void MathCasesInset::draw(PainterInfo & pi, int x, int y) const
{
mathed_draw_deco(pi, x + 1, y - dim_.ascent(), 6, dim_.height(), "{");
MathGridInset::draw(pi, x + 8, y);
setPosCache(pi, x, y);
}
void MathCasesInset::doDispatch(LCursor & cur, FuncRequest & cmd)
{
//lyxerr << "*** MathCasesInset: request: " << cmd << endl;
switch (cmd.action) {
case LFUN_TABULAR_FEATURE: {
recordUndo(cur);
istringstream is(cmd.argument);
string s;
is >> s;
if (s == "add-vline-left" || s == "add-vline-right") {
cur.undispatched();
break;
}
}
default:
MathGridInset::doDispatch(cur, cmd);
}
}
bool MathCasesInset::getStatus(LCursor & cur, FuncRequest const & cmd,
FuncStatus & flag) const
{
switch (cmd.action) {
case LFUN_TABULAR_FEATURE: {
istringstream is(cmd.argument);
string s;
is >> s;
if (s == "add-vline-left" || s == "add-vline-right") {
flag.enabled(false);
flag.message(bformat(
N_("No vertical grid lines in '%1$s'"), s));
return true;
}
}
default:
return MathGridInset::getStatus(cur, cmd, flag);
}
}
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);
}