From 75454ca8c5ce911ea6505716f84b461941cb100c Mon Sep 17 00:00:00 2001
From: Richard Heck <rgheck@comcast.net>
Date: Fri, 5 Mar 2010 23:47:33 +0000
Subject: [PATCH] Disable lists of floats we don't know how to generate.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33635 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/Text3.cpp                 | 15 ++++++++++++++-
 src/insets/InsetFloatList.cpp | 10 ++++++++--
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/src/Text3.cpp b/src/Text3.cpp
index f810eceac5..9eba7dbecb 100644
--- a/src/Text3.cpp
+++ b/src/Text3.cpp
@@ -2275,11 +2275,24 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
 		// not allowed in description items
 		enable = !inDescriptionItem(cur);
 		break;
-	case LFUN_FLOAT_LIST_INSERT:
+	case LFUN_FLOAT_LIST_INSERT: {
 		code = FLOAT_LIST_CODE;
 		// not allowed in description items
 		enable = !inDescriptionItem(cur);
+		if (enable) {
+			FloatList const & floats = cur.buffer()->params().documentClass().floats();
+			FloatList::const_iterator cit = floats[to_ascii(cmd.argument())];
+			// make sure we know about such floats
+			if (cit == floats.end() ||
+					// and that we know how to generate a list of them
+			    (!cit->second.needsFloatPkg() && cit->second.listCommand().empty())) {
+				flag.unknown(true);
+				// probably not necessary, but...
+				enable = false;
+			}
+		}
 		break;
+	}
 	case LFUN_CAPTION_INSERT:
 		code = CAPTION_CODE;
 		// not allowed in description items
diff --git a/src/insets/InsetFloatList.cpp b/src/insets/InsetFloatList.cpp
index fba5e40dfb..24f9491f90 100644
--- a/src/insets/InsetFloatList.cpp
+++ b/src/insets/InsetFloatList.cpp
@@ -124,8 +124,14 @@ int InsetFloatList::latex(odocstream & os, OutputParams const &) const
 		if (fl.needsFloatPkg())
 			os << "\\listof{" << getParam("type") << "}{"
 			   << buffer().B_(fl.listName()) << "}\n"; 
-		else
-			os << "\\" << from_ascii(fl.listCommand()) << "\n";
+		else {
+			if (!fl.listCommand().empty())
+				os << "\\" << from_ascii(fl.listCommand()) << "\n";
+			else 
+				os << "%% "
+				   << bformat(_("LyX cannot generate a list of %1$s"), getParam("type"))
+				   << "\n";
+		}
 	} else {
 		os << "%%\\listof{" << getParam("type") << "}{"
 		   << bformat(_("List of %1$s"), getParam("type"))