lyx_mirror/src/mathed/InsetMathSplit.cpp

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/**
* \file InsetMathSplit.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 "InsetMathSplit.h"
#include "MathData.h"
#include "MathStream.h"
#include "MathStream.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "support/gettext.h"
#include "LaTeXFeatures.h"
#include "support/lstrings.h"
#include <ostream>
using namespace std;
namespace lyx {
using support::bformat;
InsetMathSplit::InsetMathSplit(docstring const & name, char valign)
: InsetMathGrid(1, 1, valign, docstring()), name_(name)
{
}
Inset * InsetMathSplit::clone() const
{
return new InsetMathSplit(*this);
}
char InsetMathSplit::defaultColAlign(col_type col)
{
if (name_ == "split")
return 'l';
if (name_ == "gathered")
return 'c';
if (name_ == "aligned")
return (col & 1) ? 'l' : 'r';
if (name_ == "alignedat")
return (col & 1) ? 'l' : 'r';
return 'l';
}
void InsetMathSplit::draw(PainterInfo & pi, int x, int y) const
{
InsetMathGrid::draw(pi, x, y);
setPosCache(pi, x, y);
}
bool InsetMathSplit::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.message(bformat(
from_utf8(N_("Can't add vertical grid lines in '%1$s'")), name_));
flag.setEnabled(false);
return true;
}
return InsetMathGrid::getStatus(cur, cmd, flag);
}
default:
return InsetMathGrid::getStatus(cur, cmd, flag);
}
}
void InsetMathSplit::write(WriteStream & ws) const
{
MathEnsurer ensurer(ws);
if (ws.fragile())
ws << "\\protect";
ws << "\\begin{" << name_ << '}';
if (name_ != "split" && verticalAlignment() != 'c')
ws << '[' << verticalAlignment() << ']';
if (name_ == "alignedat")
ws << '{' << static_cast<unsigned int>((ncols() + 1)/2) << '}';
InsetMathGrid::write(ws);
if (ws.fragile())
ws << "\\protect";
ws << "\\end{" << name_ << "}\n";
}
void InsetMathSplit::infoize(odocstream & os) const
{
docstring name = name_;
name[0] = support::uppercase(name[0]);
os << name << ' ';
}
void InsetMathSplit::validate(LaTeXFeatures & features) const
{
if (name_ == "split" || name_ == "gathered" || name_ == "aligned" ||
name_ == "alignedat")
features.require("amsmath");
InsetMathGrid::validate(features);
}
} // namespace lyx