lyx_mirror/src/insets/InsetTOC.cpp

278 lines
6.9 KiB
C++

/**
* \file InsetTOC.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetTOC.h"
#include "Buffer.h"
#include "BufferParams.h"
#include "BufferView.h"
#include "Cursor.h"
#include "DispatchResult.h"
#include "Font.h"
#include "FuncRequest.h"
#include "Language.h"
#include "LaTeXFeatures.h"
#include "OutputParams.h"
#include "output_xhtml.h"
#include "Paragraph.h"
#include "ParagraphParameters.h"
#include "TextClass.h"
#include "TocBackend.h"
#include "support/debug.h"
#include "support/gettext.h"
#include "support/lassert.h"
#include <ostream>
using namespace std;
namespace lyx {
namespace {
string cmd2type(string const & cmd)
{
if (cmd == "lstlistoflistings")
return "listing";
return cmd;
}
}
InsetTOC::InsetTOC(Buffer * buf, InsetCommandParams const & p)
: InsetCommand(buf, p)
{}
ParamInfo const & InsetTOC::findInfo(string const & /* cmdName */)
{
static ParamInfo param_info_;
if (param_info_.empty()) {
param_info_.add("type", ParamInfo::LATEX_REQUIRED);
}
return param_info_;
}
bool InsetTOC::isCompatibleCommand(string const & cmd)
{
return cmd == defaultCommand() || cmd == "lstlistoflistings";
}
docstring InsetTOC::screenLabel() const
{
if (getCmdName() == "tableofcontents")
return buffer().B_("Table of Contents");
if (getCmdName() == "lstlistoflistings")
return buffer().B_("List of Listings");
return _("Unknown TOC type");
}
void InsetTOC::doDispatch(Cursor & cur, FuncRequest & cmd) {
switch (cmd.action()) {
case LFUN_MOUSE_RELEASE:
if (!cur.selection() && cmd.button() == mouse_button::button1) {
cur.bv().showDialog("toc", params2string(params()));
cur.dispatched();
}
break;
default:
InsetCommand::doDispatch(cur, cmd);
}
}
docstring InsetTOC::layoutName() const
{
if (getCmdName() == "lstlistoflistings")
return from_ascii("TOC:Listings");
return from_ascii("TOC");
}
void InsetTOC::validate(LaTeXFeatures & features) const
{
InsetCommand::validate(features);
features.useInsetLayout(getLayout());
if (getCmdName() == "lstlistoflistings")
features.require("listings");
}
int InsetTOC::plaintext(odocstringstream & os,
OutputParams const &, size_t max_length) const
{
os << screenLabel() << "\n\n";
buffer().tocBackend().writePlaintextTocList(cmd2type(getCmdName()), os, max_length);
return PLAINTEXT_NEWLINE;
}
int InsetTOC::docbook(odocstream & os, OutputParams const &) const
{
if (getCmdName() == "tableofcontents")
os << "<toc></toc>";
return 0;
}
void InsetTOC::makeTOCEntry(XHTMLStream & xs,
Paragraph const & par, OutputParams const & op) const
{
string const attr = "href='#" + par.magicLabel() + "' class='tocentry'";
xs << html::StartTag("a", attr);
// First the label, if there is one
docstring const & label = par.params().labelString();
if (!label.empty())
xs << label << " ";
// Now the content of the TOC entry, taken from the paragraph itself
OutputParams ours = op;
ours.for_toc = true;
Font const dummy;
par.simpleLyXHTMLOnePar(buffer(), xs, ours, dummy);
xs << html::EndTag("a") << html::CR();
}
void InsetTOC::makeTOCWithDepth(XHTMLStream xs,
Toc toc, OutputParams const & op) const
{
Toc::const_iterator it = toc.begin();
Toc::const_iterator const en = toc.end();
int lastdepth = 0;
for (; it != en; ++it) {
// do not output entries that are not actually included in the output,
// e.g., stuff in non-active branches or notes or whatever.
if (!it->isOutput())
continue;
// First, we need to manage increases and decreases of depth
// If there's no depth to deal with, we artifically set it to 1.
int const depth = it->depth();
// Ignore stuff above the tocdepth
if (depth > buffer().params().tocdepth)
continue;
if (depth > lastdepth) {
xs << html::CR();
// open as many tags as we need to open to get to this level
// this includes the tag for the current level
for (int i = lastdepth + 1; i <= depth; ++i) {
stringstream attr;
attr << "class='lyxtoc-" << i << "'";
xs << html::StartTag("div", attr.str()) << html::CR();
}
lastdepth = depth;
}
else if (depth < lastdepth) {
// close as many as we have to close to get back to this level
// this includes closing the last tag at this level
for (int i = lastdepth; i >= depth; --i)
xs << html::EndTag("div") << html::CR();
// now open our tag
stringstream attr;
attr << "class='lyxtoc-" << depth << "'";
xs << html::StartTag("div", attr.str()) << html::CR();
lastdepth = depth;
} else {
// no change of level, so close and open
xs << html::EndTag("div") << html::CR();
stringstream attr;
attr << "class='lyxtoc-" << depth << "'";
xs << html::StartTag("div", attr.str()) << html::CR();
}
// Now output TOC info for this entry
Paragraph const & par = it->dit().innerParagraph();
makeTOCEntry(xs, par, op);
}
for (int i = lastdepth; i > 0; --i)
xs << html::EndTag("div") << html::CR();
}
void InsetTOC::makeTOCNoDepth(XHTMLStream xs,
Toc toc, const OutputParams & op) const
{
Toc::const_iterator it = toc.begin();
Toc::const_iterator const en = toc.end();
for (; it != en; ++it) {
// do not output entries that are not actually included in the output,
// e.g., stuff in non-active branches or notes or whatever.
if (!it->isOutput())
continue;
xs << html::StartTag("div", "class='lyxtoc-flat'") << html::CR();
Paragraph const & par = it->dit().innerParagraph();
makeTOCEntry(xs, par, op);
xs << html::EndTag("div");
}
}
docstring InsetTOC::xhtml(XHTMLStream &, OutputParams const & op) const
{
string const & command = getCmdName();
if (command != "tableofcontents" && command != "lstlistoflistings") {
LYXERR0("TOC type " << command << " not yet implemented.");
LASSERT(false, /* */);
return docstring();
}
Toc const & toc = buffer().tocBackend().toc(cmd2type(command));
if (toc.empty())
return docstring();
// 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 << html::StartTag("div", "class='toc'");
// Title of TOC
InsetLayout const & il = getLayout();
string const & tag = il.htmltag();
docstring title = screenLabel();
Layout const & lay = buffer().params().documentClass().htmlTOCLayout();
string const & tocclass = lay.defaultCSSClass();
string const tocattr = "class='tochead " + tocclass + "'";
xs << html::StartTag(tag, tocattr)
<< title
<< html::EndTag(tag);
// with lists of listings, at least, there is no depth
// to worry about. so the code can be simpler.
bool const use_depth = (command == "tableofcontents");
// Output of TOC
if (use_depth)
makeTOCWithDepth(xs, toc, op);
else
makeTOCNoDepth(xs, toc, op);
xs << html::EndTag("div") << html::CR();
return ods.str();
}
} // namespace lyx