/**
 * \file InsetFoot.cpp
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * \author Jürgen Vigna
 * \author Lars Gullik Bjønnes
 *
 * Full author contact details are available in file CREDITS.
 */

#include <config.h>

#include "InsetFoot.h"

#include "Buffer.h"
#include "BufferParams.h"
#include "Counters.h"
#include "Language.h"
#include "Layout.h"
#include "OutputParams.h"
#include "ParIterator.h"
#include "TextClass.h"
#include "TocBackend.h"

#include "support/debug.h"
#include "support/docstream.h"
#include "support/gettext.h"

using namespace std;

namespace lyx {

InsetFoot::InsetFoot(Buffer * buf)
	: InsetFootlike(buf)
{}


void InsetFoot::updateBuffer(ParIterator const & it, UpdateType utype)
{
	BufferParams const & bp = buffer().masterBuffer()->params();
	Counters & cnts = bp.documentClass().counters();
	if (utype == OutputUpdate) {
		// the footnote counter is local to this inset
		cnts.saveLastCounter();
	}
	Paragraph const & outer = it.paragraph();
	if (!outer.layout().intitle) {
		InsetLayout const & il = getLayout();
		docstring const & count = il.counter();
		custom_label_ = translateIfPossible(il.labelstring()) + ' ';
		if (cnts.hasCounter(count))
			cnts.step(count, utype);
		custom_label_ += 
			cnts.theCounter(count, outer.getParLanguage(bp)->code());
		setLabel(custom_label_);
	}
	InsetCollapsable::updateBuffer(it, utype);
	if (utype == OutputUpdate)
		cnts.restoreLastCounter();	
}


void InsetFoot::addToToc(DocIterator const & cpit, bool output_active) const
{
	DocIterator pit = cpit;
	pit.push_back(CursorSlice(const_cast<InsetFoot &>(*this)));

	Toc & toc = buffer().tocBackend().toc("footnote");
	docstring str = custom_label_ + ": ";
	text().forToc(str, TOC_ENTRY_LENGTH);
	toc.push_back(TocItem(pit, 0, str, output_active, toolTipText(docstring(), 3, 60)));
	// Proceed with the rest of the inset.
	InsetFootlike::addToToc(cpit, output_active);
}


docstring InsetFoot::toolTip(BufferView const & bv, int x, int y) const
{
	if (isOpen(bv))
		// this will give us something useful if there is no button
		return InsetCollapsable::toolTip(bv, x, y);
	return toolTipText(custom_label_);
}


void InsetFoot::latex(otexstream & os, OutputParams const & runparams_in) const
{
	OutputParams runparams = runparams_in;
	// footnotes in titling commands like \title have moving arguments
	runparams.moving_arg |= runparams_in.intitle;

	os << safebreakln;
	if (runparams.lastid != -1)
		os.texrow().start(runparams.lastid, runparams.lastpos);

	// in titling commands, \thanks should be used instead of \footnote.
	// some classes (e.g. memoir) do not understand \footnote.
	if (runparams_in.intitle)
		os << "\\thanks{";
	else
		os << "\\footnote{";

	InsetText::latex(os, runparams);
	os << "%\n}";
	runparams_in.encoding = runparams.encoding;
}


int InsetFoot::plaintext(odocstringstream & os,
        OutputParams const & runparams, size_t max_length) const
{
	os << '[' << buffer().B_("footnote") << ":\n";
	InsetText::plaintext(os, runparams, max_length);
	os << "\n]";

	return PLAINTEXT_NEWLINE + 1; // one char on a separate line
}


int InsetFoot::docbook(odocstream & os, OutputParams const & runparams) const
{
	os << "<footnote>";
	int const i = InsetText::docbook(os, runparams);
	os << "</footnote>";

	return i;
}

} // namespace lyx