src/frontends/qt4/GuiCitation.cpp

   1 /**
   2  * \file GuiCitation.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author Kalle Dalheimer
   8  * \author Abdelrazak Younes
   9  * \author Richard Heck
  10  *
  11  * Full author contact details are available in file CREDITS.
  12  */
  13
  14 #include <config.h>
  15
  16 #include "GuiCitation.h"
  17
  18 #include "qt_helpers.h"
  19 #include "Buffer.h"
  20 #include "BufferParams.h"
  21 #include "FuncRequest.h"
  22
  23 #include "insets/InsetCommand.h"
  24
  25 #include "support/debug.h"
  26 #include "support/docstring.h"
  27 #include "support/gettext.h"
  28 #include "support/lstrings.h"
  29
  30 #include <QCloseEvent>
  31 #include <QShowEvent>
  32
  33 #include <vector>
  34 #include <string>
  35
  36 #undef KeyPress
  37
  38 #include <boost/regex.hpp>
  39
  40 #include <algorithm>
  41 #include <string>
  42 #include <vector>
  43
  44 using namespace std;
  45 using namespace lyx::support;
  46
  47 namespace lyx {
  48 namespace frontend {
  49
  50 static vector<CiteStyle> citeStyles_;
  51
  52
  53 template<typename String>
  54 static QStringList to_qstring_list(vector<String> const & v)
  55 {
  56         QStringList qlist;
  57
  58         for (size_t i = 0; i != v.size(); ++i) {
  59                 if (v[i].empty())
  60                         continue;
  61                 qlist.append(lyx::toqstr(v[i]));
  62         }
  63         return qlist;
  64 }
  65
  66
  67 static vector<lyx::docstring> to_docstring_vector(QStringList const & qlist)
  68 {
  69         vector<lyx::docstring> v;
  70         for (int i = 0; i != qlist.size(); ++i) {
  71                 if (qlist[i].isEmpty())
  72                         continue;
  73                 v.push_back(lyx::qstring_to_ucs4(qlist[i]));
  74         }
  75         return v;
  76 }
  77
  78
  79 GuiCitation::GuiCitation(GuiView & lv)
  80         : GuiDialog(lv, "citation", qt_("Citation")),
  81           params_(insetCode("citation"))
  82 {
  83         setupUi(this);
  84
  85         connect(citationStyleCO, SIGNAL(activated(int)),
  86                 this, SLOT(on_citationStyleCO_currentIndexChanged(int)));
  87         connect(fulllistCB, SIGNAL(clicked()),
  88                 this, SLOT(changed()));
  89         connect(forceuppercaseCB, SIGNAL(clicked()),
  90                 this, SLOT(changed()));
  91         connect(textBeforeED, SIGNAL(textChanged(QString)),
  92                 this, SLOT(changed()));
  93         connect(textAfterED, SIGNAL(textChanged(QString)),
  94                 this, SLOT(changed()));
  95         connect(clearPB, SIGNAL(clicked()),
  96                 findLE, SLOT(clear()));
  97         connect(this, SIGNAL(rejected()), this, SLOT(cleanUp()));
  98
  99         selectionManager = new GuiSelectionManager(availableLV, selectedLV,
 100                         addPB, deletePB, upPB, downPB, available(), selected());
 101         connect(selectionManager, SIGNAL(selectionChanged()),
 102                 this, SLOT(setCitedKeys()));
 103         connect(selectionManager, SIGNAL(updateHook()),
 104                 this, SLOT(updateDialog()));
 105         connect(selectionManager, SIGNAL(okHook()),
 106                 this, SLOT(on_okPB_clicked()));
 107
 108         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 109 }
 110
 111
 112 void GuiCitation::cleanUp()
 113 {
 114         clearSelection();
 115         clearParams();
 116         close();
 117 }
 118
 119
 120 void GuiCitation::closeEvent(QCloseEvent * e)
 121 {
 122         clearSelection();
 123         clearParams();
 124         e->accept();
 125 }
 126
 127
 128 void GuiCitation::applyView()
 129 {
 130         int  const choice = max(0, citationStyleCO->currentIndex());
 131         style_ = choice;
 132         bool const full  = fulllistCB->isChecked();
 133         bool const force = forceuppercaseCB->isChecked();
 134
 135         QString const before = textBeforeED->text();
 136         QString const after = textAfterED->text();
 137
 138         apply(choice, full, force, before, after);
 139 }
 140
 141
 142 void GuiCitation::showEvent(QShowEvent * e)
 143 {
 144         init();
 145         findLE->clear();
 146         availableLV->setFocus();
 147         GuiDialog::showEvent(e);
 148 }
 149
 150
 151 void GuiCitation::on_okPB_clicked()
 152 {
 153         applyView();
 154         clearSelection();
 155         hide();
 156 }
 157
 158
 159 void GuiCitation::on_cancelPB_clicked()
 160 {
 161         clearSelection();
 162         hide();
 163 }
 164
 165
 166 void GuiCitation::on_applyPB_clicked()
 167 {
 168         applyView();
 169 }
 170
 171
 172 void GuiCitation::on_restorePB_clicked()
 173 {
 174         init();
 175         updateView();
 176 }
 177
 178
 179 void GuiCitation::updateView()
 180 {
 181         init();
 182         fillFields();
 183         fillEntries();
 184         updateDialog();
 185 }
 186
 187
 188 // The main point of separating this out is that the fill*() methods
 189 // called in update() do not need to be called for INTERNAL updates,
 190 // such as when addPB is pressed, as the list of fields, entries, etc,
 191 // will not have changed. At the moment, however, the division between
 192 // fillStyles() and updateStyle() doesn't lend itself to dividing the
 193 // two methods, though they should be divisible.
 194 void GuiCitation::updateDialog()
 195 {
 196         if (selectionManager->selectedFocused()) {
 197                 if (selectedLV->selectionModel()->selectedIndexes().isEmpty())
 198                         updateInfo(availableLV->currentIndex());
 199                 else
 200                         updateInfo(selectedLV->currentIndex());
 201         } else {
 202                 if (availableLV->selectionModel()->selectedIndexes().isEmpty())
 203                         updateInfo(QModelIndex());
 204                 else
 205                         updateInfo(availableLV->currentIndex());
 206         }
 207         setButtons();
 208
 209         textBeforeED->setText(textBefore());
 210         textAfterED->setText(textAfter());
 211         fillStyles();
 212         updateStyle();
 213 }
 214
 215
 216 void GuiCitation::updateFormatting(CiteStyle currentStyle)
 217 {
 218         CiteEngine const engine = citeEngine();
 219         bool const natbib_engine =
 220                 engine == ENGINE_NATBIB_AUTHORYEAR ||
 221                 engine == ENGINE_NATBIB_NUMERICAL;
 222         bool const basic_engine = engine == ENGINE_BASIC;
 223
 224         bool const haveSelection =
 225                 selectedLV->model()->rowCount() > 0;
 226
 227         bool const isNocite = currentStyle == NOCITE;
 228
 229         fulllistCB->setEnabled(natbib_engine && haveSelection && !isNocite);
 230         forceuppercaseCB->setEnabled(natbib_engine && haveSelection && !isNocite);
 231         textBeforeED->setEnabled(!basic_engine && haveSelection && !isNocite);
 232         textBeforeLA->setEnabled(!basic_engine && haveSelection && !isNocite);
 233         textAfterED->setEnabled(haveSelection && !isNocite);
 234         textAfterLA->setEnabled(haveSelection && !isNocite);
 235         citationStyleCO->setEnabled(haveSelection);
 236         citationStyleLA->setEnabled(haveSelection);
 237 }
 238
 239
 240 void GuiCitation::updateStyle()
 241 {
 242         string const & command = params_.getCmdName();
 243
 244         // Find the style of the citekeys
 245         vector<CiteStyle> const & styles = citeStyles_;
 246         CitationStyle const cs = citationStyleFromString(command);
 247
 248         vector<CiteStyle>::const_iterator cit =
 249                 std::find(styles.begin(), styles.end(), cs.style);
 250
 251         // restore the latest natbib style
 252         if (style_ >= 0 && style_ < citationStyleCO->count())
 253                 citationStyleCO->setCurrentIndex(style_);
 254         else
 255                 citationStyleCO->setCurrentIndex(0);
 256
 257         if (cit != styles.end()) {
 258                 int const i = int(cit - styles.begin());
 259                 citationStyleCO->setCurrentIndex(i);
 260                 fulllistCB->setChecked(cs.full);
 261                 forceuppercaseCB->setChecked(cs.forceUpperCase);
 262         } else {
 263                 fulllistCB->setChecked(false);
 264                 forceuppercaseCB->setChecked(false);
 265         }
 266         updateFormatting(cs.style);
 267 }
 268
 269 // This one needs to be called whenever citationStyleCO needs
 270 // to be updated---and this would be on anything that changes the
 271 // selection in selectedLV, or on a general update.
 272 void GuiCitation::fillStyles()
 273 {
 274         int const oldIndex = citationStyleCO->currentIndex();
 275
 276         citationStyleCO->clear();
 277
 278         QStringList selected_keys = selected()->stringList();
 279         if (selected_keys.empty()) {
 280                 citationStyleCO->setEnabled(false);
 281                 citationStyleLA->setEnabled(false);
 282                 return;
 283         }
 284
 285         int curr = selectedLV->model()->rowCount() - 1;
 286         if (curr < 0)
 287                 return;
 288
 289         if (!selectedLV->selectionModel()->selectedIndexes().empty())
 290                 curr = selectedLV->selectionModel()->selectedIndexes()[0].row();
 291
 292         QStringList sty = citationStyles(curr);
 293
 294         citationStyleCO->setEnabled(!sty.isEmpty());
 295         citationStyleLA->setEnabled(!sty.isEmpty());
 296
 297         if (sty.isEmpty())
 298                 return;
 299
 300         citationStyleCO->insertItems(0, sty);
 301
 302         if (oldIndex != -1 && oldIndex < citationStyleCO->count())
 303                 citationStyleCO->setCurrentIndex(oldIndex);
 304 }
 305
 306
 307 void GuiCitation::fillFields()
 308 {
 309         fieldsCO->blockSignals(true);
 310         int const oldIndex = fieldsCO->currentIndex();
 311         fieldsCO->clear();
 312         QStringList const & fields = getFieldsAsQStringList();
 313         fieldsCO->insertItem(0, qt_("All Fields"));
 314         fieldsCO->insertItem(1, qt_("Keys"));
 315         fieldsCO->insertItems(2, fields);
 316         if (oldIndex != -1 && oldIndex < fieldsCO->count())
 317                 fieldsCO->setCurrentIndex(oldIndex);
 318         fieldsCO->blockSignals(false);
 319 }
 320
 321
 322 void GuiCitation::fillEntries()
 323 {
 324         entriesCO->blockSignals(true);
 325         int const oldIndex = entriesCO->currentIndex();
 326         entriesCO->clear();
 327         QStringList const & entries = getEntriesAsQStringList();
 328         entriesCO->insertItem(0, qt_("All Entry Types"));
 329         entriesCO->insertItems(1, entries);
 330         if (oldIndex != -1 && oldIndex < entriesCO->count())
 331                 entriesCO->setCurrentIndex(oldIndex);
 332         entriesCO->blockSignals(false);
 333 }
 334
 335
 336 bool GuiCitation::isSelected(const QModelIndex & idx)
 337 {
 338         QString const str = idx.data().toString();
 339         return selected()->stringList().contains(str);
 340 }
 341
 342
 343 void GuiCitation::setButtons()
 344 {
 345         selectionManager->update();
 346         int const srows = selectedLV->model()->rowCount();
 347         applyPB->setEnabled(srows > 0);
 348         okPB->setEnabled(srows > 0);
 349 }
 350
 351
 352 void GuiCitation::updateInfo(QModelIndex const & idx)
 353 {
 354         if (idx.isValid()) {
 355                 QString const keytxt = getKeyInfo(idx.data().toString());
 356                 infoML->document()->setPlainText(keytxt);
 357         } else
 358                 infoML->document()->clear();
 359 }
 360
 361
 362 void GuiCitation::findText(QString const & text, bool reset)
 363 {
 364         //"All Fields" and "Keys" are the first two
 365         int index = fieldsCO->currentIndex() - 2;
 366         vector<docstring> const & fields = availableFields();
 367         docstring field;
 368
 369         if (index <= -1 || index >= int(fields.size()))
 370                 //either "All Fields" or "Keys" or an invalid value
 371                 field = from_ascii("");
 372         else
 373                 field = fields[index];
 374
 375         //Was it "Keys"?
 376         bool const onlyKeys = index == -1;
 377
 378         //"All Entry Types" is first.
 379         index = entriesCO->currentIndex() - 1;
 380         vector<docstring> const & entries = availableEntries();
 381         docstring entry_type;
 382         if (index < 0 || index >= int(entries.size()))
 383                 entry_type = from_ascii("");
 384         else
 385                 entry_type = entries[index];
 386
 387         bool const case_sentitive = caseCB->checkState();
 388         bool const reg_exp = regexCB->checkState();
 389         findKey(text, onlyKeys, field, entry_type,
 390                        case_sentitive, reg_exp, reset);
 391         //FIXME
 392         //It'd be nice to save and restore the current selection in
 393         //availableLV. Currently, we get an automatic reset, since the
 394         //model is reset.
 395
 396         updateDialog();
 397 }
 398
 399
 400 void GuiCitation::on_fieldsCO_currentIndexChanged(int /*index*/)
 401 {
 402         findText(findLE->text(), true);
 403 }
 404
 405
 406 void GuiCitation::on_entriesCO_currentIndexChanged(int /*index*/)
 407 {
 408         findText(findLE->text(), true);
 409 }
 410
 411
 412 void GuiCitation::on_citationStyleCO_currentIndexChanged(int index)
 413 {
 414         if (index >= 0 && index < citationStyleCO->count()) {
 415                 vector<CiteStyle> const & styles = citeStyles_;
 416                 updateFormatting(styles[index]);
 417         }
 418 }
 419
 420
 421 void GuiCitation::on_findLE_textChanged(const QString & text)
 422 {
 423         clearPB->setDisabled(text.isEmpty());
 424         if (text.isEmpty())
 425                 findLE->setFocus();
 426         findText(text);
 427 }
 428
 429
 430 void GuiCitation::on_caseCB_stateChanged(int)
 431 {
 432         findText(findLE->text());
 433 }
 434
 435
 436 void GuiCitation::on_regexCB_stateChanged(int)
 437 {
 438         findText(findLE->text());
 439 }
 440
 441
 442 void GuiCitation::changed()
 443 {
 444         setButtons();
 445 }
 446
 447
 448 void GuiCitation::apply(int const choice, bool full, bool force,
 449         QString before, QString after)
 450 {
 451         if (cited_keys_.isEmpty())
 452                 return;
 453
 454         vector<CiteStyle> const & styles = citeStyles_;
 455         if (styles[choice] == NOCITE) {
 456                 full = false;
 457                 force = false;
 458                 before.clear();
 459                 after.clear();
 460         }
 461
 462         CitationStyle s;
 463         s.style = styles[choice];
 464         s.full = full;
 465         s.forceUpperCase = force;
 466         string const command = citationStyleToString(s);
 467
 468         params_.setCmdName(command);
 469         params_["key"] = qstring_to_ucs4(cited_keys_.join(","));
 470         params_["before"] = qstring_to_ucs4(before);
 471         params_["after"] = qstring_to_ucs4(after);
 472         dispatchParams();
 473 }
 474
 475
 476 void GuiCitation::clearSelection()
 477 {
 478         cited_keys_.clear();
 479         selected_model_.setStringList(cited_keys_);
 480 }
 481
 482
 483 QString GuiCitation::textBefore()
 484 {
 485         return toqstr(params_["before"]);
 486 }
 487
 488
 489 QString GuiCitation::textAfter()
 490 {
 491         return toqstr(params_["after"]);
 492 }
 493
 494
 495 void GuiCitation::init()
 496 {
 497         // Make the list of all available bibliography keys
 498         all_keys_ = to_qstring_list(availableKeys());
 499         available_model_.setStringList(all_keys_);
 500
 501         // Ditto for the keys cited in this inset
 502         QString str = toqstr(params_["key"]);
 503         if (str.isEmpty())
 504                 cited_keys_.clear();
 505         else
 506                 cited_keys_ = str.split(",");
 507         selected_model_.setStringList(cited_keys_);
 508 }
 509
 510
 511 void GuiCitation::findKey(QString const & str, bool only_keys,
 512         docstring field, docstring entry_type,
 513         bool case_sensitive, bool reg_exp, bool reset)
 514 {
 515         // Used for optimisation: store last searched string.
 516         static QString last_searched_string;
 517         // Used to disable the above optimisation.
 518         static bool last_case_sensitive;
 519         static bool last_reg_exp;
 520         // Reset last_searched_string in case of changed option.
 521         if (last_case_sensitive != case_sensitive
 522                 || last_reg_exp != reg_exp) {
 523                         LYXERR(Debug::GUI, "GuiCitation::findKey: optimisation disabled!");
 524                 last_searched_string.clear();
 525         }
 526         // save option for next search.
 527         last_case_sensitive = case_sensitive;
 528         last_reg_exp = reg_exp;
 529
 530         Qt::CaseSensitivity qtcase = case_sensitive?
 531                         Qt::CaseSensitive: Qt::CaseInsensitive;
 532         QStringList keys;
 533         // If new string (str) contains the last searched one...
 534         if (!reset &&
 535                 !last_searched_string.isEmpty() &&
 536                 str.size() > 1 &&
 537                 str.contains(last_searched_string, qtcase))
 538                 // ... then only search within already found list.
 539                 keys = available_model_.stringList();
 540         else
 541                 // ... else search all keys.
 542                 keys = all_keys_;
 543         // save searched string for next search.
 544         last_searched_string = str;
 545
 546         QStringList result;
 547
 548         // First, filter by entry_type, which will be faster than
 549         // what follows, so we may get to do that on less.
 550         vector<docstring> keyVector = to_docstring_vector(keys);
 551         filterByEntryType(keyVector, entry_type);
 552
 553         if (str.isEmpty())
 554                 result = to_qstring_list(keyVector);
 555         else
 556                 result = to_qstring_list(searchKeys(keyVector, only_keys,
 557                         qstring_to_ucs4(str), field, case_sensitive, reg_exp));
 558
 559         available_model_.setStringList(result);
 560 }
 561
 562
 563 QStringList GuiCitation::getFieldsAsQStringList()
 564 {
 565         return to_qstring_list(availableFields());
 566 }
 567
 568
 569 QStringList GuiCitation::getEntriesAsQStringList()
 570 {
 571         return to_qstring_list(availableEntries());
 572 }
 573
 574
 575 QStringList GuiCitation::citationStyles(int sel)
 576 {
 577         docstring const key = qstring_to_ucs4(cited_keys_[sel]);
 578         return to_qstring_list(bibkeysInfo_.getCiteStrings(key, buffer()));
 579 }
 580
 581
 582 QString GuiCitation::getKeyInfo(QString const & sel)
 583 {
 584         return toqstr(getInfo(qstring_to_ucs4(sel)));
 585 }
 586
 587
 588 void GuiCitation::setCitedKeys()
 589 {
 590         cited_keys_ = selected_model_.stringList();
 591 }
 592
 593
 594 bool GuiCitation::initialiseParams(string const & data)
 595 {
 596         InsetCommand::string2params("citation", data, params_);
 597         CiteEngine const engine = buffer().params().citeEngine();
 598         bibkeysInfo_.fillWithBibKeys(&buffer());
 599         citeStyles_ = citeStyles(engine);
 600         return true;
 601 }
 602
 603
 604 void GuiCitation::clearParams()
 605 {
 606         params_.clear();
 607         bibkeysInfo_.clear();
 608 }
 609
 610
 611 vector<docstring> GuiCitation::availableKeys() const
 612 {
 613         return bibkeysInfo_.getKeys();
 614 }
 615
 616
 617 vector<docstring> GuiCitation::availableFields() const
 618 {
 619         return bibkeysInfo_.getFields();
 620 }
 621
 622
 623 vector<docstring> GuiCitation::availableEntries() const
 624 {
 625         return bibkeysInfo_.getEntries();
 626 }
 627
 628
 629 void GuiCitation::filterByEntryType(
 630         vector<docstring> & keyVector, docstring entry_type)
 631 {
 632         if (entry_type.empty())
 633                 return;
 634
 635         vector<docstring>::iterator it = keyVector.begin();
 636         vector<docstring>::iterator end = keyVector.end();
 637
 638         vector<docstring> result;
 639         for (; it != end; ++it) {
 640                 docstring const key = *it;
 641                 BiblioInfo::const_iterator cit = bibkeysInfo_.find(key);
 642                 if (cit == bibkeysInfo_.end())
 643                         continue;
 644                 if (cit->second.entryType() == entry_type)
 645                         result.push_back(key);
 646         }
 647         keyVector = result;
 648 }
 649
 650
 651 CiteEngine GuiCitation::citeEngine() const
 652 {
 653         return buffer().params().citeEngine();
 654 }
 655
 656
 657 docstring GuiCitation::getInfo(docstring const & key) const
 658 {
 659         if (bibkeysInfo_.empty())
 660                 return docstring();
 661
 662         return bibkeysInfo_.getInfo(key);
 663 }
 664
 665
 666 // Escape special chars.
 667 // All characters are literals except: '.|*?+(){}[]^$\'
 668 // These characters are literals when preceded by a "\", which is done here
 669 // @todo: This function should be moved to support, and then the test in tests
 670 //        should be moved there as well.
 671 static docstring escape_special_chars(docstring const & expr)
 672 {
 673         // Search for all chars '.|*?+(){}[^$]\'
 674         // Note that '[' and '\' must be escaped.
 675         // This is a limitation of boost::regex, but all other chars in BREs
 676         // are assumed literal.
 677         static const boost::regex reg("[].|*?+(){}^$\\[\\\\]");
 678
 679         // $& is a perl-like expression that expands to all
 680         // of the current match
 681         // The '$' must be prefixed with the escape character '\' for
 682         // boost to treat it as a literal.
 683         // Thus, to prefix a matched expression with '\', we use:
 684         // FIXME: UNICODE
 685         return from_utf8(boost::regex_replace(to_utf8(expr), reg, "\\\\$&"));
 686 }
 687
 688
 689 vector<docstring> GuiCitation::searchKeys(
 690         vector<docstring> const & keys_to_search, bool only_keys,
 691         docstring const & search_expression, docstring field,
 692         bool case_sensitive, bool regex)
 693 {
 694         vector<docstring> foundKeys;
 695
 696         docstring expr = trim(search_expression);
 697         if (expr.empty())
 698                 return foundKeys;
 699
 700         if (!regex)
 701                 // We must escape special chars in the search_expr so that
 702                 // it is treated as a simple string by boost::regex.
 703                 expr = escape_special_chars(expr);
 704
 705         boost::regex reg_exp;
 706         try {
 707                 reg_exp.assign(to_utf8(expr), case_sensitive ?
 708                         boost::regex_constants::normal : boost::regex_constants::icase);
 709         } catch (boost::regex_error & e) {
 710                 // boost::regex throws an exception if the regular expression is not
 711                 // valid.
 712                 LYXERR(Debug::GUI, e.what());
 713                 return vector<docstring>();
 714         }
 715
 716         vector<docstring>::const_iterator it = keys_to_search.begin();
 717         vector<docstring>::const_iterator end = keys_to_search.end();
 718         for (; it != end; ++it ) {
 719                 BiblioInfo::const_iterator info = bibkeysInfo_.find(*it);
 720                 if (info == bibkeysInfo_.end())
 721                         continue;
 722
 723                 BibTeXInfo const & kvm = info->second;
 724                 string data;
 725                 if (only_keys)
 726                         data = to_utf8(*it);
 727                 else if (field.empty())
 728                         data = to_utf8(*it) + ' ' + to_utf8(kvm.allData());
 729                 else if (kvm.hasField(field))
 730                         data = to_utf8(kvm.getValueForField(field));
 731
 732                 if (data.empty())
 733                         continue;
 734
 735                 try {
 736                         if (boost::regex_search(data, reg_exp))
 737                                 foundKeys.push_back(*it);
 738                 }
 739                 catch (boost::regex_error & e) {
 740                         LYXERR(Debug::GUI, e.what());
 741                         return vector<docstring>();
 742                 }
 743         }
 744         return foundKeys;
 745 }
 746
 747
 748 void GuiCitation::dispatchParams()
 749 {
 750         std::string const lfun = InsetCommand::params2string("citation", params_);
 751         dispatch(FuncRequest(getLfun(), lfun));
 752 }
 753
 754
 755 Dialog * createGuiCitation(GuiView & lv) { return new GuiCitation(lv); }
 756
 757
 758 } // namespace frontend
 759 } // namespace lyx
 760
 761 #include "GuiCitation_moc.cpp"
 762