X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FInsetMathSplit.cpp;h=c260e2e51eb053f159209df4c633494e1ce00e44;hb=2de30c62f8d671a8c8d4d52a6a7310e2c5ca84de;hp=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hpb=f1a388584fb2c043d17127d7db49c36cb8427cfa;p=lyx.git

diff --git a/src/mathed/InsetMathSplit.cpp b/src/mathed/InsetMathSplit.cpp
index e69de29bb2..c260e2e51e 100644
--- a/src/mathed/InsetMathSplit.cpp
+++ b/src/mathed/InsetMathSplit.cpp
@@ -0,0 +1,220 @@
+/**
+ * \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