From 492663987948a391361c324336454bf6733a23b2 Mon Sep 17 00:00:00 2001
From: Richard Heck <rgheck@comcast.net>
Date: Fri, 1 Jan 2010 02:41:26 +0000
Subject: [PATCH] XHTML output for lists of figures, tables, etc.

Thanks to Abdel for making this so easy. I'm just stealing the TOCs on
the sidebar.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32734 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/insets/InsetFloatList.cpp | 90 +++++++++++++++++++++++++++++++++++
 src/insets/InsetFloatList.h   |  4 +-
 2 files changed, 93 insertions(+), 1 deletion(-)

diff --git a/src/insets/InsetFloatList.cpp b/src/insets/InsetFloatList.cpp
index a62d02053b..23796fcf7d 100644
--- a/src/insets/InsetFloatList.cpp
+++ b/src/insets/InsetFloatList.cpp
@@ -21,6 +21,8 @@
 #include "LaTeXFeatures.h"
 #include "Lexer.h"
 #include "MetricsInfo.h"
+#include "Paragraph.h"
+#include "output_xhtml.h"
 #include "TextClass.h"
 #include "TocBackend.h"
 
@@ -150,6 +152,94 @@ int InsetFloatList::plaintext(odocstream & os, OutputParams const &) const
 }
 
 
+docstring InsetFloatList::xhtml(XHTMLStream &, OutputParams const &) const {
+	FloatList const & floats = buffer().params().documentClass().floats();
+	FloatList::const_iterator cit = floats[to_ascii(getParam("type"))];
+
+	if (cit == floats.end()) {
+		LYXERR0("Unknown float type `" << getParam("type") << "' in IFL::xhtml.");
+		return docstring();
+	}
+
+	string toctype;
+	docstring toclabel;
+	if (cit->second.builtin()) {
+		// Only two different types allowed here:
+		string const type = cit->second.type();
+		if (type == "table") {
+			toctype = "table";
+			toclabel = _("List of Tables");
+		} else if (type == "figure") {
+			toctype = "figure";
+			toclabel = _("List of Figures");
+		} else {
+			LYXERR0("Unknown Builtin Float!");
+			return docstring();
+		}
+	} else {
+		toctype = to_utf8(getParam("type"));
+		toclabel = buffer().B_(cit->second.listName());
+	}
+
+	// FIXME Do we need to check if it exists? If so, we need a new
+	// routine in TocBackend to do that.
+	Toc const & toc = buffer().tocBackend().toc(toctype);
+	if (toc.empty())
+		return docstring();
+
+	// we want to look like a chapter, section, or whatever.
+	// so we're going to look for the layout with the minimum toclevel
+	// number > 0---because we don't want Part. 
+	// we'll take the first one, just because.
+	// FIXME This could be specified in the layout file.
+	DocumentClass const & dc = buffer().params().documentClass();
+	TextClass::LayoutList::const_iterator lit = dc.begin();
+	TextClass::LayoutList::const_iterator len = dc.end();
+	int minlevel = 1000;
+	Layout const * lay = NULL;
+	for (; lit != len; ++lit) {
+		int const level = lit->toclevel;
+		if (level > 0 && (level == Layout::NOT_IN_TOC || level >= minlevel))
+			continue;
+		lay = &*lit;
+		minlevel = level;
+	}
+	
+	string const tocclass = lay ? " " + lay->defaultCSSClass(): "";
+	string const tocattr = "class='tochead + toc-" + toctype + " " + tocclass + "'";
+	
+	// we'll use our own stream, because we are going to defer everything.
+	// that's how we deal with the fact that we're probably inside a standard
+	// paragraph, and we don't want to be.
+	odocstringstream ods;
+	XHTMLStream xs(ods);
+
+	xs << StartTag("div", "class='toc'");
+	xs << StartTag("div", tocattr) 
+		 << toclabel 
+		 << EndTag("div");
+	
+	Toc::const_iterator it = toc.begin();
+	Toc::const_iterator const en = toc.end();
+	for (; it != en; ++it) {
+		Paragraph const & par = it->dit().innerParagraph();
+		string const attr = "class='lyxtoc-" + toctype + "'";
+		Font const dummy;
+		xs << StartTag("div", attr);
+		string const parattr = "href='#" + par.magicLabel() + "' class='tocarrow'";
+		xs << it->str() << " "
+		   << StartTag("a", parattr)
+		   // FIXME XHTML 
+		   // There ought to be a simple way to customize this.
+		   << XHTMLStream::NextRaw() << "&seArr;"
+		   << EndTag("a");
+		xs << EndTag("div");
+	}
+	xs << EndTag("div");
+	return ods.str();
+}
+
+
 void InsetFloatList::validate(LaTeXFeatures & features) const
 {
 	features.useFloat(to_ascii(getParam("type")));
diff --git a/src/insets/InsetFloatList.h b/src/insets/InsetFloatList.h
index 6cb03196f6..3d9e444a1c 100644
--- a/src/insets/InsetFloatList.h
+++ b/src/insets/InsetFloatList.h
@@ -43,11 +43,13 @@ public:
 	///
 	int plaintext(odocstream &, OutputParams const & runparams) const;
 	///
+	docstring xhtml(XHTMLStream &, OutputParams const &) const;
+	///
 	void validate(LaTeXFeatures & features) const;
 	///
 	static ParamInfo const & findInfo(std::string const &);
 	///
-	static std::string defaultCommand() { return "listoftables"; };
+	static std::string defaultCommand() { return "listoftables"; }
 	///
 	static bool isCompatibleCommand(std::string const & s);
 private:
-- 
2.39.2