src/insets/InsetInclude.cpp

   1 /**
   2  * \file InsetInclude.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Richard Heck (conversion to InsetCommand)
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "InsetInclude.h"
  15
  16 #include "Buffer.h"
  17 #include "buffer_funcs.h"
  18 #include "BufferList.h"
  19 #include "BufferParams.h"
  20 #include "BufferView.h"
  21 #include "Cursor.h"
  22 #include "debug.h"
  23 #include "DispatchResult.h"
  24 #include "Exporter.h"
  25 #include "FuncRequest.h"
  26 #include "FuncStatus.h"
  27 #include "gettext.h"
  28 #include "LaTeXFeatures.h"
  29 #include "LyX.h"
  30 #include "LyXRC.h"
  31 #include "Lexer.h"
  32 #include "MetricsInfo.h"
  33 #include "OutputParams.h"
  34 #include "TocBackend.h"
  35
  36 #include "frontends/alert.h"
  37 #include "frontends/Painter.h"
  38
  39 #include "graphics/PreviewImage.h"
  40 #include "graphics/PreviewLoader.h"
  41
  42 #include "insets/RenderPreview.h"
  43 #include "insets/InsetListingsParams.h"
  44
  45 #include "support/filetools.h"
  46 #include "support/lstrings.h" // contains
  47 #include "support/lyxalgo.h"
  48 #include "support/lyxlib.h"
  49 #include "support/convert.h"
  50
  51 #include <boost/bind.hpp>
  52
  53
  54 namespace lyx {
  55
  56 using support::addName;
  57 using support::absolutePath;
  58 using support::bformat;
  59 using support::changeExtension;
  60 using support::contains;
  61 using support::copy;
  62 using support::DocFileName;
  63 using support::FileName;
  64 using support::getVectorFromString;
  65 using support::isLyXFilename;
  66 using support::isValidLaTeXFilename;
  67 using support::latex_path;
  68 using support::makeAbsPath;
  69 using support::makeDisplayPath;
  70 using support::makeRelPath;
  71 using support::onlyFilename;
  72 using support::onlyPath;
  73 using support::prefixIs;
  74 using support::subst;
  75 using support::sum;
  76
  77 using std::endl;
  78 using std::find;
  79 using std::string;
  80 using std::istringstream;
  81 using std::ostream;
  82 using std::ostringstream;
  83 using std::vector;
  84
  85 namespace Alert = frontend::Alert;
  86
  87
  88 namespace {
  89
  90 docstring const uniqueID()
  91 {
  92         static unsigned int seed = 1000;
  93         return "file" + convert<docstring>(++seed);
  94 }
  95
  96
  97 /// the type of inclusion
  98 enum Types {
  99         INCLUDE, VERB, INPUT, VERBAST, LISTINGS, NONE
 100 };
 101
 102
 103 Types type(std::string const & s) {
 104         if (s == "input")
 105                 return INPUT;
 106         if (s == "verbatiminput")
 107                 return VERB;
 108         if (s == "verbatiminput*")
 109                 return VERBAST;
 110         if (s == "lstinputlisting")
 111                 return LISTINGS;
 112         if (s == "include")
 113                 return INCLUDE;
 114         return NONE;
 115 }
 116
 117
 118 Types type(InsetCommandParams const & params)
 119 {
 120         string const command_name = params.getCmdName();
 121         return type(command_name);
 122 }
 123
 124
 125 bool isListings(InsetCommandParams const & params)
 126 {
 127         return type(params) == LISTINGS;
 128 }
 129
 130
 131 bool isVerbatim(InsetCommandParams const & params)
 132 {
 133         Types const t = type(params);
 134         return t == VERB || t == VERBAST;
 135 }
 136
 137
 138 bool isInputOrInclude(InsetCommandParams const & params)
 139 {
 140         Types const t = type(params);
 141         return t == INPUT || t == INCLUDE;
 142 }
 143
 144 } // namespace anon
 145
 146
 147 InsetInclude::InsetInclude(InsetCommandParams const & p)
 148         : InsetCommand(p, "include"), include_label(uniqueID()),
 149           preview_(new RenderMonitoredPreview(this)), set_label_(false)
 150 {
 151         preview_->fileChanged(boost::bind(&InsetInclude::fileChanged, this));
 152 }
 153
 154
 155 InsetInclude::InsetInclude(InsetInclude const & other)
 156         : InsetCommand(other), include_label(other.include_label),
 157           preview_(new RenderMonitoredPreview(this)), set_label_(false)
 158 {
 159         preview_->fileChanged(boost::bind(&InsetInclude::fileChanged, this));
 160 }
 161
 162
 163 CommandInfo const * InsetInclude::findInfo(std::string const & /* cmdName */)
 164 {
 165         //This is only correct for the case of listings, but it'll do for now.
 166         //In the other cases, this second parameter should just be empty.
 167         static const char * const paramnames[] = {"filename", "lstparams", ""};
 168         static const bool isoptional[] = {false, true};
 169         static const CommandInfo info = {2, paramnames, isoptional};
 170         return &info;
 171 }
 172
 173
 174 bool InsetInclude::isCompatibleCommand(std::string const & s) {
 175         return type(s) != NONE;
 176 }
 177
 178
 179 void InsetInclude::doDispatch(Cursor & cur, FuncRequest & cmd)
 180 {
 181         switch (cmd.action) {
 182
 183         case LFUN_INSET_MODIFY: {
 184                 InsetCommandParams p(INCLUDE_CODE);
 185                 InsetCommandMailer::string2params("include", to_utf8(cmd.argument()), p);
 186                 if (!p.getCmdName().empty()) {
 187                         if (isListings(p)){
 188                                 InsetListingsParams par_old(to_utf8(params()["lstparams"]));
 189                                 InsetListingsParams par_new(to_utf8(p["lstparams"]));
 190                                 if (par_old.getParamValue("label") !=
 191                                     par_new.getParamValue("label")
 192                                     && !par_new.getParamValue("label").empty())
 193                                         cur.bv().buffer().changeRefsIfUnique(
 194                                                 from_utf8(par_old.getParamValue("label")),
 195                                                 from_utf8(par_new.getParamValue("label")),
 196                                                 REF_CODE);
 197                         }
 198                         set(p, cur.buffer());
 199                         cur.buffer().updateBibfilesCache();
 200                 } else
 201                         cur.noUpdate();
 202                 break;
 203         }
 204
 205         //pass everything else up the chain
 206         default:
 207                 InsetCommand::doDispatch(cur, cmd);
 208                 break;
 209         }
 210 }
 211
 212
 213 namespace {
 214
 215 string const masterFilename(Buffer const & buffer)
 216 {
 217         return buffer.masterBuffer()->absFileName();
 218 }
 219
 220
 221 string const parentFilename(Buffer const & buffer)
 222 {
 223         return buffer.absFileName();
 224 }
 225
 226
 227 FileName const includedFilename(Buffer const & buffer,
 228                               InsetCommandParams const & params)
 229 {
 230         return makeAbsPath(to_utf8(params["filename"]),
 231                onlyPath(parentFilename(buffer)));
 232 }
 233
 234
 235 void add_preview(RenderMonitoredPreview &, InsetInclude const &, Buffer const &);
 236
 237 } // namespace anon
 238
 239
 240 void InsetInclude::set(InsetCommandParams const & p, Buffer const & buffer)
 241 {
 242         setParams(p);
 243         set_label_ = false;
 244
 245         if (preview_->monitoring())
 246                 preview_->stopMonitoring();
 247
 248         if (type(params()) == INPUT)
 249                 add_preview(*preview_, *this, buffer);
 250 }
 251
 252
 253 Inset * InsetInclude::clone() const
 254 {
 255         return new InsetInclude(*this);
 256 }
 257
 258
 259 docstring const InsetInclude::getScreenLabel(Buffer const & buf) const
 260 {
 261         docstring temp;
 262
 263         switch (type(params())) {
 264                 case INPUT:
 265                         temp = buf.B_("Input");
 266                         break;
 267                 case VERB:
 268                         temp = buf.B_("Verbatim Input");
 269                         break;
 270                 case VERBAST:
 271                         temp = buf.B_("Verbatim Input*");
 272                         break;
 273                 case INCLUDE:
 274                         temp = buf.B_("Include");
 275                         break;
 276                 case LISTINGS:
 277                         temp = listings_label_;
 278                 case NONE:
 279                         BOOST_ASSERT(false);
 280         }
 281
 282         temp += ": ";
 283
 284         if (params()["filename"].empty())
 285                 temp += "???";
 286         else
 287                 temp += from_utf8(onlyFilename(to_utf8(params()["filename"])));
 288
 289         return temp;
 290 }
 291
 292
 293 namespace {
 294
 295 /// return the child buffer if the file is a LyX doc and is loaded
 296 Buffer * getChildBuffer(Buffer const & buffer, InsetCommandParams const & params)
 297 {
 298         if (isVerbatim(params) || isListings(params))
 299                 return 0;
 300
 301         string const included_file = includedFilename(buffer, params).absFilename();
 302         if (!isLyXFilename(included_file))
 303                 return 0;
 304
 305         Buffer * childBuffer = theBufferList().getBuffer(included_file);
 306
 307         //FIXME RECURSIVE INCLUDES
 308         if (childBuffer == & buffer)
 309                 return 0;
 310         else
 311                 return childBuffer;
 312 }
 313
 314 } // namespace anon
 315
 316
 317 /// return true if the file is or got loaded.
 318 Buffer * loadIfNeeded(Buffer const & parent, InsetCommandParams const & params)
 319 {
 320         if (isVerbatim(params) || isListings(params))
 321                 return 0;
 322
 323         string const parent_filename = parent.absFileName();
 324         FileName const included_file = makeAbsPath(to_utf8(params["filename"]),
 325                            onlyPath(parent_filename));
 326
 327         if (!isLyXFilename(included_file.absFilename()))
 328                 return 0;
 329
 330         Buffer * child = theBufferList().getBuffer(included_file.absFilename());
 331         if (!child) {
 332                 // the readonly flag can/will be wrong, not anymore I think.
 333                 if (!included_file.exists())
 334                         return 0;
 335
 336                 child = theBufferList().newBuffer(included_file.absFilename());
 337                 if (!child->loadLyXFile(included_file)) {
 338                         //close the buffer we just opened
 339                         theBufferList().close(child, false);
 340                         return 0;
 341                 }
 342         }
 343         child->setParentName(parent_filename);
 344         return child;
 345 }
 346
 347
 348 int InsetInclude::latex(Buffer const & buffer, odocstream & os,
 349                         OutputParams const & runparams) const
 350 {
 351         string incfile(to_utf8(params()["filename"]));
 352
 353         // Do nothing if no file name has been specified
 354         if (incfile.empty())
 355                 return 0;
 356
 357         FileName const included_file = includedFilename(buffer, params());
 358
 359         //Check we're not trying to include ourselves.
 360         //FIXME RECURSIVE INCLUDE
 361         //This isn't sufficient, as the inclusion could be downstream.
 362         //But it'll have to do for now.
 363         if (isInputOrInclude(params()) &&
 364                 buffer.absFileName() == included_file.absFilename())
 365         {
 366                 Alert::error(_("Recursive input"),
 367                                bformat(_("Attempted to include file %1$s in itself! "
 368                                "Ignoring inclusion."), from_utf8(incfile)));
 369                 return 0;
 370         }
 371
 372         Buffer const * const masterBuffer = buffer.masterBuffer();
 373
 374         // if incfile is relative, make it relative to the master
 375         // buffer directory.
 376         if (!absolutePath(incfile)) {
 377                 // FIXME UNICODE
 378                 incfile = to_utf8(makeRelPath(from_utf8(included_file.absFilename()),
 379                                               from_utf8(masterBuffer->filePath())));
 380         }
 381
 382         // write it to a file (so far the complete file)
 383         string const exportfile = changeExtension(incfile, ".tex");
 384         string const mangled =
 385                 DocFileName(changeExtension(included_file.absFilename(),".tex")).
 386                         mangledFilename();
 387         FileName const writefile(makeAbsPath(mangled, masterBuffer->temppath()));
 388
 389         if (!runparams.nice)
 390                 incfile = mangled;
 391         else if (!isValidLaTeXFilename(incfile)) {
 392                 frontend::Alert::warning(_("Invalid filename"),
 393                                          _("The following filename is likely to cause trouble "
 394                                            "when running the exported file through LaTeX: ") +
 395                                             from_utf8(incfile));
 396         }
 397         LYXERR(Debug::LATEX) << "incfile:" << incfile << endl;
 398         LYXERR(Debug::LATEX) << "exportfile:" << exportfile << endl;
 399         LYXERR(Debug::LATEX) << "writefile:" << writefile << endl;
 400
 401         if (runparams.inComment || runparams.dryrun) {
 402                 //Don't try to load or copy the file if we're
 403                 //in a comment or doing a dryrun
 404         } else if (isInputOrInclude(params()) &&
 405                  isLyXFilename(included_file.absFilename())) {
 406                 //if it's a LyX file and we're inputting or including,
 407                 //try to load it so we can write the associated latex
 408                 if (!loadIfNeeded(buffer, params()))
 409                         return false;
 410
 411                 Buffer * tmp = theBufferList().getBuffer(included_file.absFilename());
 412
 413                 if (tmp->params().getBaseClass() != masterBuffer->params().getBaseClass()) {
 414                         // FIXME UNICODE
 415                         docstring text = bformat(_("Included file `%1$s'\n"
 416                                                 "has textclass `%2$s'\n"
 417                                                              "while parent file has textclass `%3$s'."),
 418                                               makeDisplayPath(included_file.absFilename()),
 419                                               from_utf8(tmp->params().getTextClass().name()),
 420                                               from_utf8(masterBuffer->params().getTextClass().name()));
 421                         Alert::warning(_("Different textclasses"), text);
 422                         //return 0;
 423                 }
 424
 425                 // Make sure modules used in child are all included in master
 426                 //FIXME It might be worth loading the children's modules into the master
 427                 //over in BufferParams rather than doing this check.
 428                 vector<string> const masterModules = masterBuffer->params().getModules();
 429                 vector<string> const childModules = tmp->params().getModules();
 430                 vector<string>::const_iterator it = childModules.begin();
 431                 vector<string>::const_iterator end = childModules.end();
 432                 for (; it != end; ++it) {
 433                         string const module = *it;
 434                         vector<string>::const_iterator found =
 435                                 find(masterModules.begin(), masterModules.end(), module);
 436                         if (found != masterModules.end()) {
 437                                 docstring text = bformat(_("Included file `%1$s'\n"
 438                                                         "uses module `%2$s'\n"
 439                                                         "which is not used in parent file."),
 440                                        makeDisplayPath(included_file.absFilename()), from_utf8(module));
 441                                 Alert::warning(_("Module not found"), text);
 442                         }
 443                 }
 444
 445                 tmp->markDepClean(masterBuffer->temppath());
 446
 447 // FIXME: handle non existing files
 448 // FIXME: Second argument is irrelevant!
 449 // since only_body is true, makeLaTeXFile will not look at second
 450 // argument. Should we set it to string(), or should makeLaTeXFile
 451 // make use of it somehow? (JMarc 20031002)
 452                 // The included file might be written in a different encoding
 453                 Encoding const * const oldEnc = runparams.encoding;
 454                 runparams.encoding = &tmp->params().encoding();
 455                 tmp->makeLaTeXFile(writefile,
 456                                    onlyPath(masterFilename(buffer)),
 457                                    runparams, false);
 458                 runparams.encoding = oldEnc;
 459         } else {
 460                 // In this case, it's not a LyX file, so we copy the file
 461                 // to the temp dir, so that .aux files etc. are not created
 462                 // in the original dir. Files included by this file will be
 463                 // found via input@path, see ../Buffer.cpp.
 464                 unsigned long const checksum_in  = sum(included_file);
 465                 unsigned long const checksum_out = sum(writefile);
 466
 467                 if (checksum_in != checksum_out) {
 468                         if (!copy(included_file, writefile)) {
 469                                 // FIXME UNICODE
 470                                 LYXERR(Debug::LATEX)
 471                                         << to_utf8(bformat(_("Could not copy the file\n%1$s\n"
 472                                                                   "into the temporary directory."),
 473                                                    from_utf8(included_file.absFilename())))
 474                                         << endl;
 475                                 return 0;
 476                         }
 477                 }
 478         }
 479
 480         string const tex_format = (runparams.flavor == OutputParams::LATEX) ?
 481                         "latex" : "pdflatex";
 482         if (isVerbatim(params())) {
 483                 incfile = latex_path(incfile);
 484                 // FIXME UNICODE
 485                 os << '\\' << from_ascii(params().getCmdName()) << '{'
 486                    << from_utf8(incfile) << '}';
 487         } else if (type(params()) == INPUT) {
 488                 runparams.exportdata->addExternalFile(tex_format, writefile,
 489                                                       exportfile);
 490
 491                 // \input wants file with extension (default is .tex)
 492                 if (!isLyXFilename(included_file.absFilename())) {
 493                         incfile = latex_path(incfile);
 494                         // FIXME UNICODE
 495                         os << '\\' << from_ascii(params().getCmdName())
 496                            << '{' << from_utf8(incfile) << '}';
 497                 } else {
 498                 incfile = changeExtension(incfile, ".tex");
 499                 incfile = latex_path(incfile);
 500                         // FIXME UNICODE
 501                         os << '\\' << from_ascii(params().getCmdName())
 502                            << '{' << from_utf8(incfile) <<  '}';
 503                 }
 504         } else if (type(params()) == LISTINGS) {
 505                 os << '\\' << from_ascii(params().getCmdName());
 506                 string const opt = to_utf8(params()["lstparams"]);
 507                 // opt is set in QInclude dialog and should have passed validation.
 508                 InsetListingsParams params(opt);
 509                 if (!params.params().empty())
 510                         os << "[" << from_utf8(params.params()) << "]";
 511                 os << '{'  << from_utf8(incfile) << '}';
 512         } else {
 513                 runparams.exportdata->addExternalFile(tex_format, writefile,
 514                                                       exportfile);
 515
 516                 // \include don't want extension and demands that the
 517                 // file really have .tex
 518                 incfile = changeExtension(incfile, string());
 519                 incfile = latex_path(incfile);
 520                 // FIXME UNICODE
 521                 os << '\\' << from_ascii(params().getCmdName()) << '{'
 522                    << from_utf8(incfile) << '}';
 523         }
 524
 525         return 0;
 526 }
 527
 528
 529 int InsetInclude::plaintext(Buffer const & buffer, odocstream & os,
 530                             OutputParams const &) const
 531 {
 532         if (isVerbatim(params()) || isListings(params())) {
 533                 os << '[' << getScreenLabel(buffer) << '\n';
 534                 // FIXME: We don't know the encoding of the file
 535                 docstring const str =
 536                      from_utf8(includedFilename(buffer, params()).fileContents());
 537                 os << str;
 538                 os << "\n]";
 539                 return PLAINTEXT_NEWLINE + 1; // one char on a separate line
 540         } else {
 541                 docstring const str = '[' + getScreenLabel(buffer) + ']';
 542                 os << str;
 543                 return str.size();
 544         }
 545 }
 546
 547
 548 int InsetInclude::docbook(Buffer const & buffer, odocstream & os,
 549                           OutputParams const & runparams) const
 550 {
 551         string incfile = to_utf8(params()["filename"]);
 552
 553         // Do nothing if no file name has been specified
 554         if (incfile.empty())
 555                 return 0;
 556
 557         string const included_file = includedFilename(buffer, params()).absFilename();
 558
 559         //Check we're not trying to include ourselves.
 560         //FIXME RECURSIVE INCLUDE
 561         //This isn't sufficient, as the inclusion could be downstream.
 562         //But it'll have to do for now.
 563         if (buffer.absFileName() == included_file) {
 564                 Alert::error(_("Recursive input"),
 565                                bformat(_("Attempted to include file %1$s in itself! "
 566                                "Ignoring inclusion."), from_utf8(incfile)));
 567                 return 0;
 568         }
 569
 570         // write it to a file (so far the complete file)
 571         string const exportfile = changeExtension(incfile, ".sgml");
 572         DocFileName writefile(changeExtension(included_file, ".sgml"));
 573
 574         if (loadIfNeeded(buffer, params())) {
 575                 Buffer * tmp = theBufferList().getBuffer(included_file);
 576
 577                 string const mangled = writefile.mangledFilename();
 578                 writefile = makeAbsPath(mangled,
 579                                         buffer.masterBuffer()->temppath());
 580                 if (!runparams.nice)
 581                         incfile = mangled;
 582
 583                 LYXERR(Debug::LATEX) << "incfile:" << incfile << endl;
 584                 LYXERR(Debug::LATEX) << "exportfile:" << exportfile << endl;
 585                 LYXERR(Debug::LATEX) << "writefile:" << writefile << endl;
 586
 587                 tmp->makeDocBookFile(writefile, runparams, true);
 588         }
 589
 590         runparams.exportdata->addExternalFile("docbook", writefile,
 591                                               exportfile);
 592         runparams.exportdata->addExternalFile("docbook-xml", writefile,
 593                                               exportfile);
 594
 595         if (isVerbatim(params()) || isListings(params())) {
 596                 os << "<inlinegraphic fileref=\""
 597                    << '&' << include_label << ';'
 598                    << "\" format=\"linespecific\">";
 599         } else
 600                 os << '&' << include_label << ';';
 601
 602         return 0;
 603 }
 604
 605
 606 void InsetInclude::validate(LaTeXFeatures & features) const
 607 {
 608         string incfile = to_utf8(params()["filename"]);
 609         string writefile;
 610
 611         Buffer const & buffer = features.buffer();
 612
 613         string const included_file = includedFilename(buffer, params()).absFilename();
 614
 615         if (isLyXFilename(included_file))
 616                 writefile = changeExtension(included_file, ".sgml");
 617         else
 618                 writefile = included_file;
 619
 620         if (!features.runparams().nice && !isVerbatim(params()) && !isListings(params())) {
 621                 incfile = DocFileName(writefile).mangledFilename();
 622                 writefile = makeAbsPath(incfile,
 623                                         buffer.masterBuffer()->temppath()).absFilename();
 624         }
 625
 626         features.includeFile(include_label, writefile);
 627
 628         if (isVerbatim(params()))
 629                 features.require("verbatim");
 630         else if (isListings(params()))
 631                 features.require("listings");
 632
 633         // Here we must do the fun stuff...
 634         // Load the file in the include if it needs
 635         // to be loaded:
 636         if (loadIfNeeded(buffer, params())) {
 637                 // a file got loaded
 638                 Buffer * const tmp = theBufferList().getBuffer(included_file);
 639                 // make sure the buffer isn't us
 640                 // FIXME RECURSIVE INCLUDES
 641                 // This is not sufficient, as recursive includes could be
 642                 // more than a file away. But it will do for now.
 643                 if (tmp && tmp != & buffer) {
 644                         // We must temporarily change features.buffer,
 645                         // otherwise it would always be the master buffer,
 646                         // and nested includes would not work.
 647                         features.setBuffer(*tmp);
 648                         tmp->validate(features);
 649                         features.setBuffer(buffer);
 650                 }
 651         }
 652 }
 653
 654
 655 void InsetInclude::getLabelList(Buffer const & buffer,
 656                                 std::vector<docstring> & list) const
 657 {
 658         if (isListings(params())) {
 659                 InsetListingsParams p(to_utf8(params()["lstparams"]));
 660                 string label = p.getParamValue("label");
 661                 if (!label.empty())
 662                         list.push_back(from_utf8(label));
 663         }
 664         else if (loadIfNeeded(buffer, params())) {
 665                 string const included_file = includedFilename(buffer, params()).absFilename();
 666                 Buffer * tmp = theBufferList().getBuffer(included_file);
 667                 tmp->setParentName("");
 668                 tmp->getLabelList(list);
 669                 tmp->setParentName(parentFilename(buffer));
 670         }
 671 }
 672
 673
 674 void InsetInclude::fillWithBibKeys(Buffer const & buffer,
 675                 BiblioInfo & keys, InsetIterator const & /*di*/) const
 676 {
 677         if (loadIfNeeded(buffer, params())) {
 678                 string const included_file = includedFilename(buffer, params()).absFilename();
 679                 Buffer * tmp = theBufferList().getBuffer(included_file);
 680                 //FIXME This is kind of a dirty hack and should be made reasonable.
 681                 tmp->setParentName("");
 682                 keys.fillWithBibKeys(tmp);
 683                 tmp->setParentName(parentFilename(buffer));
 684         }
 685 }
 686
 687
 688 void InsetInclude::updateBibfilesCache(Buffer const & buffer)
 689 {
 690         Buffer * const tmp = getChildBuffer(buffer, params());
 691         if (tmp) {
 692                 tmp->setParentName("");
 693                 tmp->updateBibfilesCache();
 694                 tmp->setParentName(parentFilename(buffer));
 695         }
 696 }
 697
 698
 699 std::vector<FileName> const &
 700 InsetInclude::getBibfilesCache(Buffer const & buffer) const
 701 {
 702         Buffer * const tmp = getChildBuffer(buffer, params());
 703         if (tmp) {
 704                 tmp->setParentName("");
 705                 std::vector<FileName> const & cache = tmp->getBibfilesCache();
 706                 tmp->setParentName(parentFilename(buffer));
 707                 return cache;
 708         }
 709         static std::vector<FileName> const empty;
 710         return empty;
 711 }
 712
 713
 714 void InsetInclude::metrics(MetricsInfo & mi, Dimension & dim) const
 715 {
 716         BOOST_ASSERT(mi.base.bv);
 717
 718         bool use_preview = false;
 719         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
 720                 graphics::PreviewImage const * pimage =
 721                         preview_->getPreviewImage(mi.base.bv->buffer());
 722                 use_preview = pimage && pimage->image();
 723         }
 724
 725         if (use_preview) {
 726                 preview_->metrics(mi, dim);
 727         } else {
 728                 if (!set_label_) {
 729                         set_label_ = true;
 730                         button_.update(getScreenLabel(mi.base.bv->buffer()),
 731                                        true);
 732                 }
 733                 button_.metrics(mi, dim);
 734         }
 735
 736         Box b(0, dim.wid, -dim.asc, dim.des);
 737         button_.setBox(b);
 738 }
 739
 740
 741 void InsetInclude::draw(PainterInfo & pi, int x, int y) const
 742 {
 743         BOOST_ASSERT(pi.base.bv);
 744
 745         bool use_preview = false;
 746         if (RenderPreview::status() != LyXRC::PREVIEW_OFF) {
 747                 graphics::PreviewImage const * pimage =
 748                         preview_->getPreviewImage(pi.base.bv->buffer());
 749                 use_preview = pimage && pimage->image();
 750         }
 751
 752         if (use_preview)
 753                 preview_->draw(pi, x, y);
 754         else
 755                 button_.draw(pi, x, y);
 756 }
 757
 758
 759 Inset::DisplayType InsetInclude::display() const
 760 {
 761         return type(params()) == INPUT ? Inline : AlignCenter;
 762 }
 763
 764
 765
 766 //
 767 // preview stuff
 768 //
 769
 770 void InsetInclude::fileChanged() const
 771 {
 772         Buffer const * const buffer_ptr = LyX::cref().updateInset(this);
 773         if (!buffer_ptr)
 774                 return;
 775
 776         Buffer const & buffer = *buffer_ptr;
 777         preview_->removePreview(buffer);
 778         add_preview(*preview_.get(), *this, buffer);
 779         preview_->startLoading(buffer);
 780 }
 781
 782
 783 namespace {
 784
 785 bool preview_wanted(InsetCommandParams const & params, Buffer const & buffer)
 786 {
 787         FileName const included_file = includedFilename(buffer, params);
 788
 789         return type(params) == INPUT && params.preview() &&
 790                 included_file.isFileReadable();
 791 }
 792
 793
 794 docstring const latex_string(InsetInclude const & inset, Buffer const & buffer)
 795 {
 796         odocstringstream os;
 797         // We don't need to set runparams.encoding since this will be done
 798         // by latex() anyway.
 799         OutputParams runparams(0);
 800         runparams.flavor = OutputParams::LATEX;
 801         inset.latex(buffer, os, runparams);
 802
 803         return os.str();
 804 }
 805
 806
 807 void add_preview(RenderMonitoredPreview & renderer, InsetInclude const & inset,
 808                  Buffer const & buffer)
 809 {
 810         InsetCommandParams const & params = inset.params();
 811         if (RenderPreview::status() != LyXRC::PREVIEW_OFF &&
 812             preview_wanted(params, buffer)) {
 813                 renderer.setAbsFile(includedFilename(buffer, params));
 814                 docstring const snippet = latex_string(inset, buffer);
 815                 renderer.addPreview(snippet, buffer);
 816         }
 817 }
 818
 819 } // namespace anon
 820
 821
 822 void InsetInclude::addPreview(graphics::PreviewLoader & ploader) const
 823 {
 824         Buffer const & buffer = ploader.buffer();
 825         if (preview_wanted(params(), buffer)) {
 826                 preview_->setAbsFile(includedFilename(buffer, params()));
 827                 docstring const snippet = latex_string(*this, buffer);
 828                 preview_->addPreview(snippet, ploader);
 829         }
 830 }
 831
 832
 833 void InsetInclude::addToToc(TocList & toclist, Buffer const & buffer,
 834         ParConstIterator const & pit) const
 835 {
 836         if (isListings(params())) {
 837                 InsetListingsParams p(to_utf8(params()["lstparams"]));
 838                 string caption = p.getParamValue("caption");
 839                 if (caption.empty())
 840                         return;
 841                 Toc & toc = toclist["listing"];
 842                 docstring const str = convert<docstring>(toc.size() + 1)
 843                         + ". " +  from_utf8(caption);
 844                 // This inset does not have a valid ParConstIterator
 845                 // so it has to use the iterator of its parent paragraph
 846                 toc.push_back(TocItem(pit, 0, str));
 847                 return;
 848         }
 849         Buffer const * const childbuffer = getChildBuffer(buffer, params());
 850         if (!childbuffer)
 851                 return;
 852
 853         TocList const & childtoclist = childbuffer->tocBackend().tocs();
 854         TocList::const_iterator it = childtoclist.begin();
 855         TocList::const_iterator const end = childtoclist.end();
 856         for(; it != end; ++it)
 857                 toclist[it->first].insert(toclist[it->first].end(),
 858                                 it->second.begin(), it->second.end());
 859 }
 860
 861
 862 void InsetInclude::updateLabels(Buffer const & buffer, ParIterator const &)
 863 {
 864         Buffer const * const childbuffer = getChildBuffer(buffer, params());
 865         if (childbuffer)
 866                 lyx::updateLabels(*childbuffer, true);
 867         else if (isListings(params())) {
 868                 InsetListingsParams const par(to_utf8(params()["lstparams"]));
 869                 if (par.getParamValue("caption").empty())
 870                         listings_label_.clear();
 871                 else {
 872                         Counters & counters = buffer.params().getTextClass().counters();
 873                         docstring const cnt = from_ascii("listing");
 874                         if (counters.hasCounter(cnt)) {
 875                                 counters.step(cnt);
 876                                 listings_label_ = buffer.B_("Program Listing ")
 877                                         + convert<docstring>(counters.value(cnt));
 878                         } else
 879                                 listings_label_ = buffer.B_("Program Listing");
 880                 }
 881         }
 882 }
 883
 884
 885 void InsetInclude::registerEmbeddedFiles(Buffer const & buffer,
 886         EmbeddedFiles & files) const
 887 {
 888         // include and input are temprarily not considered.
 889         if (isVerbatim(params()) || isListings(params()))
 890                 files.registerFile(includedFilename(buffer, params()).absFilename(),
 891                         false, this);
 892 }
 893
 894 } // namespace lyx