From 70899f0c154bed67e376080169f52e853bb9e9bd Mon Sep 17 00:00:00 2001
From: Richard Heck <rgheck@comcast.net>
Date: Fri, 5 Jun 2009 19:42:56 +0000
Subject: [PATCH] Separate HTML preamble information. This could be used for
 javascript, or anything else one would like to add to the header.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@29967 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/Buffer.cpp             |  6 +++++-
 src/LaTeXFeatures.cpp      | 25 ++++++++++++++++++++++++-
 src/LaTeXFeatures.h        |  2 ++
 src/Layout.cpp             |  8 +++++++-
 src/Layout.h               |  4 ++++
 src/TextClass.h            |  1 +
 src/insets/InsetLayout.cpp |  5 +++++
 src/insets/InsetLayout.h   |  4 ++++
 8 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index f09a00248d..d8296e9795 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -1377,7 +1377,11 @@ void Buffer::writeLyXHTMLSource(odocstream & os,
 		// FIXME Get this during validation? What about other meta-data?
 		os << "<title>TBA</title>\n";
 
-		docstring styleinfo = features.getTClassHTMLStyles();
+		os << features.getTClassHTMLPreamble();
+
+		os << '\n';
+
+		docstring const styleinfo = features.getTClassHTMLStyles();
 		if (!styleinfo.empty()) {
 			os << "<style type='text/css'>\n";
 			os << styleinfo;
diff --git a/src/LaTeXFeatures.cpp b/src/LaTeXFeatures.cpp
index 1665d3b84c..75233798bc 100644
--- a/src/LaTeXFeatures.cpp
+++ b/src/LaTeXFeatures.cpp
@@ -931,12 +931,35 @@ docstring const LaTeXFeatures::getTClassPreamble() const
 }
 
 
-docstring const LaTeXFeatures::getTClassHTMLStyles() const {
+docstring const LaTeXFeatures::getTClassHTMLPreamble() const {
 	DocumentClass const & tclass = params_.documentClass();
 	odocstringstream tcpreamble;
 
 	tcpreamble << tclass.htmlpreamble();
 
+	list<docstring>::const_iterator cit = usedLayouts_.begin();
+	list<docstring>::const_iterator end = usedLayouts_.end();
+	for (; cit != end; ++cit)
+		tcpreamble << tclass[*cit].htmlpreamble();
+
+	cit = usedInsetLayouts_.begin();
+	end = usedInsetLayouts_.end();
+	TextClass::InsetLayouts const & ils = tclass.insetLayouts();
+	for (; cit != end; ++cit) {
+		TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
+		if (it == ils.end())
+			continue;
+		tcpreamble << it->second.htmlpreamble();
+	}
+
+	return tcpreamble.str();
+}
+
+
+docstring const LaTeXFeatures::getTClassHTMLStyles() const {
+	DocumentClass const & tclass = params_.documentClass();
+	odocstringstream tcpreamble;
+
 	list<docstring>::const_iterator cit = usedLayouts_.begin();
 	list<docstring>::const_iterator end = usedLayouts_.end();
 	for (; cit != end; ++cit)
diff --git a/src/LaTeXFeatures.h b/src/LaTeXFeatures.h
index 964a685aae..e076e996e3 100644
--- a/src/LaTeXFeatures.h
+++ b/src/LaTeXFeatures.h
@@ -61,6 +61,8 @@ public:
 	docstring const getTClassI18nPreamble(bool use_babel) const;
 	///
 	docstring const getTClassHTMLStyles() const;
+	///
+	docstring const getTClassHTMLPreamble() const;
 	/// The sgml definitions needed by the document (docbook)
 	docstring const getLyXSGMLEntities() const;
 	/// The SGML Required to include the files added with includeFile();
diff --git a/src/Layout.cpp b/src/Layout.cpp
index f38f828fa1..7b7bc52670 100644
--- a/src/Layout.cpp
+++ b/src/Layout.cpp
@@ -98,6 +98,7 @@ enum LayoutTags {
 	LT_HTMLITEMATTR,
 	LT_HTMLLABEL,
 	LT_HTMLLABELATTR, 
+	LT_HTMLPREAMBLE,
 	LT_HTMLSTYLE,
 	LT_INTITLE // keep this last!
 };
@@ -164,7 +165,8 @@ bool Layout::read(Lexer & lex, TextClass const & tclass)
 		{ "htmlitemattr",   LT_HTMLITEMATTR },
 		{ "htmllabel",      LT_HTMLLABEL },
 		{ "htmllabelattr",  LT_HTMLLABELATTR },
-		{	"htmlstyle",      LT_HTMLSTYLE },
+		{ "htmlpremable",   LT_HTMLPREAMBLE },
+		{ "htmlstyle",      LT_HTMLSTYLE },
 		{ "htmltag",        LT_HTMLTAG },
 		{ "innertag",       LT_INNERTAG },
 		{ "intitle",        LT_INTITLE },
@@ -505,6 +507,10 @@ bool Layout::read(Lexer & lex, TextClass const & tclass)
 			htmlstyle_ = from_utf8(lex.getLongString("EndHTMLStyle"));
 			break;
 
+		case LT_HTMLPREAMBLE:
+			htmlpreamble_ = from_utf8(lex.getLongString("EndPreamble"));
+			break;
+
 		}
 	}
 	lex.popTable();
diff --git a/src/Layout.h b/src/Layout.h
index b9f099349b..e41c3069e5 100644
--- a/src/Layout.h
+++ b/src/Layout.h
@@ -122,6 +122,8 @@ public:
 	std::string const & htmllabelattr() const { return htmllabelattr_; }
 	/// 
 	docstring const & htmlstyle() const { return htmlstyle_; }
+	/// 
+	docstring const & htmlpreamble() const { return htmlpreamble_; }
 	///
 	docstring const & labelstring_appendix() const {
 		return labelstring_appendix_;
@@ -306,6 +308,8 @@ private:
 	std::string htmllabelattr_;
 	/// CSS information needed by this layout.
 	docstring htmlstyle_;
+	/// Any other info for the HTML header.
+	docstring htmlpreamble_;
 	/// This is the `category' for this layout. The following are
 	/// recommended basic categories: FrontMatter, BackMatter, MainText,
 	/// Section, Starred, List, Theorem.
diff --git a/src/TextClass.h b/src/TextClass.h
index 5f0510ca28..36d197148c 100644
--- a/src/TextClass.h
+++ b/src/TextClass.h
@@ -255,6 +255,7 @@ protected:
 	/// preamble text to support layout styles
 	docstring preamble_;
 	/// same, but for HTML output
+	/// this is output as is to the header
 	docstring htmlpreamble_;
 	/// latex packages loaded by document class.
 	std::set<std::string> provides_;
diff --git a/src/insets/InsetLayout.cpp b/src/insets/InsetLayout.cpp
index ce75bf35f8..7ffff946a0 100644
--- a/src/insets/InsetLayout.cpp
+++ b/src/insets/InsetLayout.cpp
@@ -84,6 +84,7 @@ bool InsetLayout::read(Lexer & lex, TextClass const & tclass)
 		IL_HTMLTAG,
 		IL_HTMLATTR,
 		IL_HTMLSTYLE,
+		IL_HTMLPREAMBLE,
 		IL_INTOC,
 		IL_LABELFONT,
 		IL_LABELSTRING,
@@ -112,6 +113,7 @@ bool InsetLayout::read(Lexer & lex, TextClass const & tclass)
 		{ "forceplain", IL_FORCEPLAIN },
 		{ "freespacing", IL_FREESPACING },
 		{ "htmlattr", IL_HTMLATTR },
+		{ "htmlpreamble", IL_HTMLPREAMBLE },
 		{ "htmlstyle", IL_HTMLSTYLE },
 		{ "htmltag", IL_HTMLTAG },
 		{ "intoc", IL_INTOC },
@@ -273,6 +275,9 @@ bool InsetLayout::read(Lexer & lex, TextClass const & tclass)
 		case IL_HTMLSTYLE:
 			htmlstyle_ = from_utf8(lex.getLongString("EndHTMLStyle"));
 			break;
+		case IL_HTMLPREAMBLE:
+			htmlpreamble_ = from_utf8(lex.getLongString("EndPreamble"));
+			break;
 		case IL_REQUIRES: {
 			lex.eatLine();
 			vector<string> const req 
diff --git a/src/insets/InsetLayout.h b/src/insets/InsetLayout.h
index ecad3bfff5..673b4d26be 100644
--- a/src/insets/InsetLayout.h
+++ b/src/insets/InsetLayout.h
@@ -84,6 +84,8 @@ public:
 	std::string const & htmlattr() const { return htmlattr_; }
 	/// 
 	docstring htmlstyle() const { return htmlstyle_; }
+	/// 
+	docstring htmlpreamble() const { return htmlpreamble_; }
 	///
 	std::set<std::string> requires() const { return requires_; };
 	///
@@ -137,6 +139,8 @@ private:
 	std::string htmlattr_;
 	/// 
 	docstring htmlstyle_;
+	/// 
+	docstring htmlpreamble_;
 	///
 	std::set<std::string> requires_;
 	///
-- 
2.39.5