/**
 * \file InsetRef.cpp
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * \author José Matos
 *
 * Full author contact details are available in file CREDITS.
 */
#include <config.h>

#include "InsetRef.h"

#include "buffer.h"
#include "cursor.h"
#include "dispatchresult.h"
#include "funcrequest.h"
#include "gettext.h"
#include "LaTeXFeatures.h"
#include "lyxfunc.h"
#include "outputparams.h"
#include "sgml.h"

#include "support/lstrings.h"


namespace lyx {

using support::escape;

using std::string;
using std::ostream;


InsetRef::InsetRef(InsetCommandParams const & p, Buffer const & buf)
	: InsetCommand(p, "ref"), isLatex(buf.isLatex())
{}


InsetRef::InsetRef(InsetRef const & ir)
	: InsetCommand(ir), isLatex(ir.isLatex)
{}


void InsetRef::doDispatch(LCursor & cur, FuncRequest & cmd)
{
	switch (cmd.action) {
	case LFUN_MOUSE_PRESS:
		// Eventually trigger dialog with button 3 not 1
		if (cmd.button() == mouse_button::button3)
			lyx::dispatch(FuncRequest(LFUN_LABEL_GOTO, getParam("reference")));
		else {
			InsetCommandMailer("ref", *this).showDialog(&cur.bv());
			cur.undispatched();
		}
		return;

	case LFUN_MOUSE_RELEASE:
		return;

	default:
		return InsetCommand::doDispatch(cur, cmd);
	}
}


docstring const InsetRef::getScreenLabel(Buffer const &) const
{
	docstring temp;
	for (int i = 0; !types[i].latex_name.empty(); ++i) {
		if (getCmdName() == types[i].latex_name) {
			temp = _(types[i].short_gui_name);
			break;
		}
	}
	temp += getParam("reference");

	if (!isLatex && !getParam("name").empty()) {
		temp += "||";
		temp += getParam("name");
	}
	return temp;
}


int InsetRef::latex(Buffer const &, odocstream & os,
                    OutputParams const &) const
{
	// Don't output p_["name"], this is only used in docbook
	InsetCommandParams p(getCmdName());
	p["reference"] = getParam("reference");
	os << escape(p.getCommand());
	return 0;
}


int InsetRef::plaintext(Buffer const &, odocstream & os,
                        OutputParams const &) const
{
	docstring const str = getParam("reference");
	os << '[' << str << ']';
	return 2 + str.size();
}


int InsetRef::docbook(Buffer const & buf, odocstream & os,
                      OutputParams const & runparams) const
{
	docstring const & name = getParam("name");
	if (name.empty()) {
		if (runparams.flavor == OutputParams::XML) {
			os << "<xref linkend=\"" 
			   << sgml::cleanID(buf, runparams, getParam("reference")) 
			   << "\" />";
		} else {
			os << "<xref linkend=\"" 
			   << sgml::cleanID(buf, runparams, getParam("reference")) 
			   << "\">";
		}
	} else {
		os << "<link linkend=\"" 
		   << sgml::cleanID(buf, runparams, getParam("reference"))
		   << "\">" 
		   << getParam("name")
		   << "</link>";
	}

	return 0;
}


int InsetRef::textString(Buffer const & buf, odocstream & os,
		       OutputParams const & op) const
{
	return plaintext(buf, os, op);
}


void InsetRef::validate(LaTeXFeatures & features) const
{
	if (getCmdName() == "vref" || getCmdName() == "vpageref")
		features.require("varioref");
	else if (getCmdName() == "prettyref")
		features.require("prettyref");
	else if (getCmdName() == "eqref")
		features.require("amsmath");
}


InsetRef::type_info InsetRef::types[] = {
	{ "ref",       N_("Standard"),              N_("Ref: ")},
	{ "eqref",     N_("Equation"),              N_("EqRef: ")},
	{ "pageref",   N_("Page Number"),           N_("Page: ")},
	{ "vpageref",  N_("Textual Page Number"),   N_("TextPage: ")},
	{ "vref",      N_("Standard+Textual Page"), N_("Ref+Text: ")},
	{ "prettyref", N_("PrettyRef"),             N_("FormatRef: ")},
	{ "", "", "" }
};


int InsetRef::getType(string const & name)
{
	for (int i = 0; !types[i].latex_name.empty(); ++i)
		if (name == types[i].latex_name)
			return i;
	return 0;
}


string const & InsetRef::getName(int type)
{
	return types[type].latex_name;
}


} // namespace lyx