+/**
+ * \file InsetMathSplit.cpp
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
+#include <config.h>
+
+#include "InsetMathSplit.h"
+
+#include "MathData.h"
+#include "MathStream.h"
+#include "MathSupport.h"
+
+#include "FuncRequest.h"
+#include "FuncStatus.h"
+#include "support/gettext.h"
+#include "LaTeXFeatures.h"
+#include "MetricsInfo.h"
+
+#include "support/lstrings.h"
+
+#include <ostream>
+
+using namespace std;
+
+namespace lyx {
+
+using support::bformat;
+
+
+// FIXME: handle numbers in gui, currently they are only read and written
+
+InsetMathSplit::InsetMathSplit(Buffer * buf, docstring const & name,
+ char valign, bool numbered)
+ : InsetMathGrid(buf, 1, 1, valign, docstring()), name_(name),
+ numbered_(numbered)
+{
+}
+
+
+Inset * InsetMathSplit::clone() const
+{
+ return new InsetMathSplit(*this);
+}
+
+
+char InsetMathSplit::defaultColAlign(col_type col)
+{
+ if (name_ == "gathered")
+ return 'c';
+ if (name_ == "lgathered")
+ return 'l';
+ if (name_ == "rgathered")
+ return 'r';
+ if (name_ == "split"
+ || name_ == "aligned"
+ || name_ == "align"
+ || name_ == "alignedat")
+ return colAlign(hullAlign, col);
+ return 'l';
+}
+
+
+char InsetMathSplit::displayColAlign(idx_type idx) const
+{
+ if (name_ == "gathered")
+ return 'c';
+ if (name_ == "lgathered")
+ return 'l';
+ if (name_ == "rgathered")
+ return 'r';
+ if (name_ == "split"
+ || name_ == "aligned"
+ || name_ == "align"
+ || name_ == "alignedat")
+ return colAlign(hullAlign, col(idx));
+ return InsetMathGrid::displayColAlign(idx);
+}
+
+
+int InsetMathSplit::displayColSpace(col_type col) const
+{
+ if (name_ == "split" || name_ == "aligned" || name_ == "align")
+ return colSpace(hullAlign, col);
+ if (name_ == "alignedat")
+ return colSpace(hullAlignAt, col);
+ return 0;
+}
+
+
+
+void InsetMathSplit::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+ Changer dummy = mi.base.changeEnsureMath();
+ InsetMathGrid::metrics(mi, dim);
+}
+
+
+
+void InsetMathSplit::draw(PainterInfo & pi, int x, int y) const
+{
+ Changer dummy = pi.base.changeEnsureMath();
+ InsetMathGrid::draw(pi, x, y);
+}
+
+
+bool InsetMathSplit::getStatus(Cursor & cur, FuncRequest const & cmd,
+ FuncStatus & flag) const
+{
+ switch (cmd.action()) {
+ case LFUN_TABULAR_FEATURE: {
+ string s = cmd.getArg(0);
+ 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;
+ }
+ if (s == "align-left" || s == "align-center" || s == "align-right") {
+ flag.setEnabled(false);
+ return true;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ return InsetMathGrid::getStatus(cur, cmd, flag);
+}
+
+
+void InsetMathSplit::write(WriteStream & ws) const
+{
+ MathEnsurer ensurer(ws);
+ if (ws.fragile())
+ ws << "\\protect";
+ docstring suffix;
+ if (!numbered_ && name_ == "align")
+ suffix = from_ascii("*");
+ ws << "\\begin{" << name_ << suffix << '}';
+ bool open = ws.startOuterRow();
+ bool const hasArg(name_ == "alignedat");
+ if (name_ != "split" && name_ != "align") {
+ if (verticalAlignment() != 'c')
+ ws << '[' << verticalAlignment() << ']';
+ else if (!hasArg) {
+ docstring const first(asString(cell(0)));
+ // prevent misinterpretation of the first character of
+ // the first cell as optional argument (bug 10361)
+ if (!first.empty() && first[0] == '[')
+ ws << "[]";
+ }
+ }
+ if (hasArg)
+ ws << '{' << static_cast<unsigned int>((ncols() + 1)/2) << '}';
+ InsetMathGrid::write(ws);
+ if (ws.fragile())
+ ws << "\\protect";
+ ws << "\\end{" << name_ << suffix << "}\n";
+ if (open)
+ ws.startOuterRow();
+}
+
+
+void InsetMathSplit::infoize(odocstream & os) const
+{
+ docstring name = name_;
+ name[0] = support::uppercase(name[0]);
+ if (name_ == "align" && !numbered_)
+ os << name << "* ";
+ else
+ os << name << ' ';
+}
+
+
+void InsetMathSplit::mathmlize(MathStream & ms) const
+{
+ // split, gathered, aligned, alignedat
+ // At the moment, those seem to display just fine without any
+ // special treatment.
+ // FIXME
+ // lgathered and rgathered could use the proper alignment, but
+ // it's not clear how to do that without copying a lot of code.
+ // One idea would be to wrap the table in an <mrow>, and set the
+ // alignment there via CSS.
+ // FIXME how to handle numbered and unnumbered align?
+ InsetMathGrid::mathmlize(ms);
+}
+
+
+void InsetMathSplit::htmlize(HtmlStream & ms) const
+{
+ // split, gathered, aligned, alignedat
+ // At the moment, those seem to display just fine without any
+ // special treatment.
+ // FIXME
+ // lgathered and rgathered could use the proper alignment.
+ // FIXME how to handle numbered and unnumbered align?
+ InsetMathGrid::htmlize(ms);
+}
+
+
+void InsetMathSplit::validate(LaTeXFeatures & features) const
+{
+ if (name_ == "split" || name_ == "gathered" || name_ == "aligned" ||
+ name_ == "alignedat" || name_ == "align")
+ features.require("amsmath");
+ else if (name_ == "lgathered" || name_ == "rgathered")
+ features.require("mathtools");
+ InsetMathGrid::validate(features);
+}
+
+
+} // namespace lyx
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