Routines for calculating numerical labels for BibTeX citations.

[lyx.git] / src / mathed / InsetMathCases.cpp

diff --git a/src/mathed/InsetMathCases.cpp b/src/mathed/InsetMathCases.cpp
index eb532484028913287550f71a2a2ef54cadbb4f2a..9b55c51ea9e3280de312e1fcd19a4e3a06402ec6 100644 (file)
--- a/src/mathed/InsetMathCases.cpp
+++ b/src/mathed/InsetMathCases.cpp
@@ -3,7 +3,7 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author André Pönitz
+ * \author André Pönitz
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -32,8 +32,8 @@ using namespace lyx::support;
 namespace lyx {
 
 
-InsetMathCases::InsetMathCases(row_type n)
-       : InsetMathGrid(2, n, 'c', from_ascii("ll"))
+InsetMathCases::InsetMathCases(Buffer * buf, row_type n)
+       : InsetMathGrid(buf, 2, n, 'c', from_ascii("ll"))
 {}
 
 
@@ -72,12 +72,14 @@ 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") {
+               // vertical lines and adding/deleting columns is not allowed for \cases
+               if (s == "append-column" || s == "delete-column"
+                       || s == "add-vline-left" || s == "add-vline-right") {
                        cur.undispatched();
                        break;
                }
+               cur.recordUndo();
        }
        default:
                InsetMathGrid::doDispatch(cur, cmd);
@@ -98,6 +100,13 @@ bool InsetMathCases::getStatus(Cursor & cur, FuncRequest const & cmd,
                                s));
                        return true;
                }
+               if (s == "append-column" || s == "delete-column") {
+                       flag.setEnabled(false);
+                       flag.message(bformat(
+                               from_utf8(N_("Changing number of columns not allowed in "
+                                            "'cases': feature %1$s")), s));
+                       return true;
+               }
        }
        default:
                return InsetMathGrid::getStatus(cur, cmd, flag);
@@ -107,12 +116,7 @@ bool InsetMathCases::getStatus(Cursor & cur, FuncRequest const & cmd,
 
 void InsetMathCases::write(WriteStream & os) const
 {
-       bool brace = os.pendingBrace();
-       if (os.latex() && os.textMode()) {
-               os << "\\ensuremath{";
-               os.textMode(false);
-               brace = true;
-       }
+       MathEnsurer ensurer(os);
        if (os.fragile())
                os << "\\protect";
        os << "\\begin{cases}\n";
@@ -120,7 +124,6 @@ void InsetMathCases::write(WriteStream & os) const
        if (os.fragile())
                os << "\\protect";
        os << "\\end{cases}";
-       os.pendingBrace(brace);
 }
 
 
@@ -140,6 +143,13 @@ void InsetMathCases::maple(MapleStream & os) const
 }
 
 
+void InsetMathCases::mathmlize(MathStream & ms) const
+{
+       ms << "<mo form='prefix' fence='true' stretchy='true' symmetric='true'>{</mo>";
+       InsetMathGrid::mathmlize(ms);
+}
+
+
 void InsetMathCases::infoize(odocstream & os) const
 {
        os << "Cases ";