src/frontends/qt4/GuiCitation.cpp

   1
   2 /**
   3  * \file GuiCitation.cpp
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Angus Leeming
   8  * \author Kalle Dalheimer
   9  * \author Abdelrazak Younes
  10  * \author Richard Heck
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "GuiCitation.h"
  18
  19 #include "GuiSelectionManager.h"
  20 #include "qt_helpers.h"
  21
  22 #include "Buffer.h"
  23 #include "BufferView.h"
  24 #include "BiblioInfo.h"
  25 #include "BufferParams.h"
  26 #include "FuncRequest.h"
  27
  28 #include "insets/InsetCommand.h"
  29
  30 #include "support/debug.h"
  31 #include "support/docstring.h"
  32 #include "support/gettext.h"
  33 #include "support/lstrings.h"
  34
  35 #include <QCloseEvent>
  36 #include <QSettings>
  37 #include <QShowEvent>
  38 #include <QVariant>
  39
  40 #include <vector>
  41 #include <string>
  42
  43 #undef KeyPress
  44
  45 #include "support/regex.h"
  46
  47 #include <algorithm>
  48 #include <string>
  49 #include <vector>
  50
  51 using namespace std;
  52 using namespace lyx::support;
  53
  54 namespace lyx {
  55 namespace frontend {
  56
  57 static vector<CiteStyle> citeStyles_;
  58
  59
  60 template<typename String>
  61 static QStringList to_qstring_list(vector<String> const & v)
  62 {
  63         QStringList qlist;
  64
  65         for (size_t i = 0; i != v.size(); ++i) {
  66                 if (v[i].empty())
  67                         continue;
  68                 qlist.append(lyx::toqstr(v[i]));
  69         }
  70         return qlist;
  71 }
  72
  73
  74 static vector<lyx::docstring> to_docstring_vector(QStringList const & qlist)
  75 {
  76         vector<lyx::docstring> v;
  77         for (int i = 0; i != qlist.size(); ++i) {
  78                 if (qlist[i].isEmpty())
  79                         continue;
  80                 v.push_back(lyx::qstring_to_ucs4(qlist[i]));
  81         }
  82         return v;
  83 }
  84
  85
  86 GuiCitation::GuiCitation(GuiView & lv)
  87         : DialogView(lv, "citation", qt_("Citation")),
  88           params_(insetCode("citation"))
  89 {
  90         setupUi(this);
  91
  92         connect(citationStyleCO, SIGNAL(activated(int)),
  93                 this, SLOT(on_citationStyleCO_currentIndexChanged(int)));
  94         connect(fulllistCB, SIGNAL(clicked()),
  95                 this, SLOT(changed()));
  96         connect(forceuppercaseCB, SIGNAL(clicked()),
  97                 this, SLOT(changed()));
  98         connect(textBeforeED, SIGNAL(textChanged(QString)),
  99                 this, SLOT(changed()));
 100         connect(textAfterED, SIGNAL(textChanged(QString)),
 101                 this, SLOT(changed()));
 102         connect(findLE, SIGNAL(returnPressed()),
 103                 this, SLOT(on_searchPB_clicked()));
 104         connect(textBeforeED, SIGNAL(returnPressed()),
 105                 this, SLOT(on_okPB_clicked()));
 106         connect(textAfterED, SIGNAL(returnPressed()),
 107                 this, SLOT(on_okPB_clicked()));
 108
 109         selectionManager = new GuiSelectionManager(availableLV, selectedLV,
 110                         addPB, deletePB, upPB, downPB, &available_model_, &selected_model_);
 111         connect(selectionManager, SIGNAL(selectionChanged()),
 112                 this, SLOT(setCitedKeys()));
 113         connect(selectionManager, SIGNAL(updateHook()),
 114                 this, SLOT(updateControls()));
 115         connect(selectionManager, SIGNAL(okHook()),
 116                 this, SLOT(on_okPB_clicked()));
 117
 118         setFocusProxy(availableLV);
 119
 120         // FIXME: the sizeHint() for this is _way_ too high
 121         infoML->setFixedHeight(60);
 122 }
 123
 124
 125 GuiCitation::~GuiCitation()
 126 {
 127         delete selectionManager;
 128 }
 129
 130
 131 void GuiCitation::closeEvent(QCloseEvent * e)
 132 {
 133         clearSelection();
 134         DialogView::closeEvent(e);
 135 }
 136
 137
 138 void GuiCitation::applyView()
 139 {
 140         int const choice = max(0, citationStyleCO->currentIndex());
 141         style_ = choice;
 142         bool const full  = fulllistCB->isChecked();
 143         bool const force = forceuppercaseCB->isChecked();
 144
 145         QString const before = textBeforeED->text();
 146         QString const after = textAfterED->text();
 147
 148         apply(choice, full, force, before, after);
 149 }
 150
 151
 152 void GuiCitation::showEvent(QShowEvent * e)
 153 {
 154         findLE->clear();
 155         availableLV->setFocus();
 156         DialogView::showEvent(e);
 157 }
 158
 159
 160 void GuiCitation::on_okPB_clicked()
 161 {
 162         applyView();
 163         clearSelection();
 164         hide();
 165 }
 166
 167
 168 void GuiCitation::on_cancelPB_clicked()
 169 {
 170         clearSelection();
 171         hide();
 172 }
 173
 174
 175 void GuiCitation::on_applyPB_clicked()
 176 {
 177         applyView();
 178 }
 179
 180
 181 void GuiCitation::on_restorePB_clicked()
 182 {
 183         init();
 184 }
 185
 186
 187 void GuiCitation::updateControls()
 188 {
 189         BiblioInfo const & bi = bibInfo();
 190         updateControls(bi);
 191 }
 192
 193
 194 // The main point of separating this out is that the fill*() methods
 195 // called in update() do not need to be called for INTERNAL updates,
 196 // such as when addPB is pressed, as the list of fields, entries, etc,
 197 // will not have changed. At the moment, however, the division between
 198 // fillStyles() and updateStyle() doesn't lend itself to dividing the
 199 // two methods, though they should be divisible. That is, we should
 200 // not have to call fillStyles() every time through here.
 201 void GuiCitation::updateControls(BiblioInfo const & bi)
 202 {
 203         QModelIndex idx = selectionManager->getSelectedIndex();
 204         updateInfo(bi, idx);
 205         setButtons();
 206
 207         textBeforeED->setText(toqstr(params_["before"]));
 208         textAfterED->setText(toqstr(params_["after"]));
 209         fillStyles(bi);
 210         updateStyle();
 211 }
 212
 213
 214 void GuiCitation::updateFormatting(CiteStyle currentStyle)
 215 {
 216         CiteEngine const engine = citeEngine();
 217         bool const natbib_engine =
 218                 engine == ENGINE_NATBIB_AUTHORYEAR ||
 219                 engine == ENGINE_NATBIB_NUMERICAL;
 220         bool const basic_engine = engine == ENGINE_BASIC;
 221
 222         bool const haveSelection =
 223                 selectedLV->model()->rowCount() > 0;
 224
 225         bool const isNocite = currentStyle == NOCITE;
 226
 227         bool const isCiteyear =
 228                 currentStyle == CITEYEAR ||
 229                 currentStyle == CITEYEARPAR;
 230
 231         fulllistCB->setEnabled(natbib_engine && haveSelection && !isNocite
 232                 && !isCiteyear);
 233         forceuppercaseCB->setEnabled(natbib_engine && haveSelection
 234                 && !isNocite && !isCiteyear);
 235         textBeforeED->setEnabled(!basic_engine && haveSelection && !isNocite);
 236         textBeforeLA->setEnabled(!basic_engine && haveSelection && !isNocite);
 237         textAfterED->setEnabled(haveSelection && !isNocite);
 238         textAfterLA->setEnabled(haveSelection && !isNocite);
 239         citationStyleCO->setEnabled(haveSelection);
 240         citationStyleLA->setEnabled(haveSelection);
 241 }
 242
 243
 244 void GuiCitation::updateStyle()
 245 {
 246         string const & command = params_.getCmdName();
 247
 248         // Find the style of the citekeys
 249         vector<CiteStyle> const & styles = citeStyles_;
 250         CitationStyle const cs = citationStyleFromString(command);
 251
 252         vector<CiteStyle>::const_iterator cit =
 253                 std::find(styles.begin(), styles.end(), cs.style);
 254
 255         if (cit != styles.end()) {
 256                 fulllistCB->setChecked(cs.full);
 257                 forceuppercaseCB->setChecked(cs.forceUpperCase);
 258         } else {
 259                 // restore the last used natbib style
 260                 if (style_ >= 0 && style_ < citationStyleCO->count()) {
 261                         // the necessary update will be performed later
 262                         citationStyleCO->blockSignals(true);
 263                         citationStyleCO->setCurrentIndex(style_);
 264                         citationStyleCO->blockSignals(false);
 265                 }
 266                 fulllistCB->setChecked(false);
 267                 forceuppercaseCB->setChecked(false);
 268         }
 269         updateFormatting(cs.style);
 270 }
 271
 272
 273 // This one needs to be called whenever citationStyleCO needs
 274 // to be updated---and this would be on anything that changes the
 275 // selection in selectedLV, or on a general update.
 276 void GuiCitation::fillStyles(BiblioInfo const & bi)
 277 {
 278         QStringList selected_keys = selected_model_.stringList();
 279         int curr = selectedLV->model()->rowCount() - 1;
 280
 281         if (curr < 0 || selected_keys.empty()) {
 282                 citationStyleCO->clear();
 283                 citationStyleCO->setEnabled(false);
 284                 citationStyleLA->setEnabled(false);
 285                 return;
 286         }
 287
 288         if (!selectedLV->selectionModel()->selectedIndexes().empty())
 289                 curr = selectedLV->selectionModel()->selectedIndexes()[0].row();
 290
 291         QStringList sty = citationStyles(bi, curr);
 292
 293         if (sty.isEmpty()) {
 294                 // some error
 295                 citationStyleCO->setEnabled(false);
 296                 citationStyleLA->setEnabled(false);
 297                 citationStyleCO->clear();
 298                 return;
 299         }
 300
 301         citationStyleCO->blockSignals(true);
 302
 303         // save old index
 304         int const oldIndex = citationStyleCO->currentIndex();
 305         citationStyleCO->clear();
 306         citationStyleCO->insertItems(0, sty);
 307         citationStyleCO->setEnabled(true);
 308         citationStyleLA->setEnabled(true);
 309         // restore old index
 310         if (oldIndex != -1 && oldIndex < citationStyleCO->count())
 311                 citationStyleCO->setCurrentIndex(oldIndex);
 312
 313         citationStyleCO->blockSignals(false);
 314 }
 315
 316
 317 void GuiCitation::fillFields(BiblioInfo const & bi)
 318 {
 319         fieldsCO->blockSignals(true);
 320         int const oldIndex = fieldsCO->currentIndex();
 321         fieldsCO->clear();
 322         QStringList const fields = to_qstring_list(bi.getFields());
 323         fieldsCO->insertItem(0, qt_("All fields"));
 324         fieldsCO->insertItem(1, qt_("Keys"));
 325         fieldsCO->insertItems(2, fields);
 326         if (oldIndex != -1 && oldIndex < fieldsCO->count())
 327                 fieldsCO->setCurrentIndex(oldIndex);
 328         fieldsCO->blockSignals(false);
 329 }
 330
 331
 332 void GuiCitation::fillEntries(BiblioInfo const & bi)
 333 {
 334         entriesCO->blockSignals(true);
 335         int const oldIndex = entriesCO->currentIndex();
 336         entriesCO->clear();
 337         QStringList const entries = to_qstring_list(bi.getEntries());
 338         entriesCO->insertItem(0, qt_("All entry types"));
 339         entriesCO->insertItems(1, entries);
 340         if (oldIndex != -1 && oldIndex < entriesCO->count())
 341                 entriesCO->setCurrentIndex(oldIndex);
 342         entriesCO->blockSignals(false);
 343 }
 344
 345
 346 bool GuiCitation::isSelected(QModelIndex const & idx)
 347 {
 348         QString const str = idx.data().toString();
 349         return selected_model_.stringList().contains(str);
 350 }
 351
 352
 353 void GuiCitation::setButtons()
 354 {
 355         selectionManager->update();
 356         int const srows = selectedLV->model()->rowCount();
 357         applyPB->setEnabled(srows > 0);
 358         okPB->setEnabled(srows > 0);
 359 }
 360
 361
 362 void GuiCitation::updateInfo(BiblioInfo const & bi, QModelIndex const & idx)
 363 {
 364         if (!idx.isValid() || bi.empty()) {
 365                 infoML->document()->clear();
 366                 return;
 367         }
 368
 369         QString const keytxt = toqstr(
 370                 bi.getInfo(qstring_to_ucs4(idx.data().toString()), documentBuffer(), true));
 371         infoML->document()->setHtml(keytxt);
 372 }
 373
 374
 375 void GuiCitation::findText(QString const & text, bool reset)
 376 {
 377         //"All Fields" and "Keys" are the first two
 378         int index = fieldsCO->currentIndex() - 2;
 379         BiblioInfo const & bi = bibInfo();
 380         vector<docstring> const & fields = bi.getFields();
 381         docstring field;
 382
 383         if (index <= -1 || index >= int(fields.size()))
 384                 //either "All Fields" or "Keys" or an invalid value
 385                 field = from_ascii("");
 386         else
 387                 field = fields[index];
 388
 389         //Was it "Keys"?
 390         bool const onlyKeys = index == -1;
 391
 392         //"All Entry Types" is first.
 393         index = entriesCO->currentIndex() - 1;
 394         vector<docstring> const & entries = bi.getEntries();
 395         docstring entry_type;
 396         if (index < 0 || index >= int(entries.size()))
 397                 entry_type = from_ascii("");
 398         else
 399                 entry_type = entries[index];
 400
 401         bool const case_sentitive = caseCB->checkState();
 402         bool const reg_exp = regexCB->checkState();
 403         findKey(bi, text, onlyKeys, field, entry_type,
 404                        case_sentitive, reg_exp, reset);
 405         //FIXME
 406         //It'd be nice to save and restore the current selection in
 407         //availableLV. Currently, we get an automatic reset, since the
 408         //model is reset.
 409
 410         updateControls(bi);
 411 }
 412
 413
 414 void GuiCitation::on_fieldsCO_currentIndexChanged(int /*index*/)
 415 {
 416         findText(findLE->text(), true);
 417 }
 418
 419
 420 void GuiCitation::on_entriesCO_currentIndexChanged(int /*index*/)
 421 {
 422         findText(findLE->text(), true);
 423 }
 424
 425
 426 void GuiCitation::on_citationStyleCO_currentIndexChanged(int index)
 427 {
 428         if (index >= 0 && index < citationStyleCO->count()) {
 429                 vector<CiteStyle> const & styles = citeStyles_;
 430                 updateFormatting(styles[index]);
 431         }
 432 }
 433
 434
 435 void GuiCitation::on_findLE_textChanged(const QString & text)
 436 {
 437         bool const searchAsWeGo = (asTypeCB->checkState() == Qt::Checked);
 438         searchPB->setDisabled(text.isEmpty() || searchAsWeGo);
 439         if (!text.isEmpty()) {
 440                 if (searchAsWeGo)
 441                         findText(findLE->text());
 442                 return;
 443         }
 444         findText(findLE->text());
 445         findLE->setFocus();
 446 }
 447
 448 void GuiCitation::on_searchPB_clicked()
 449 {
 450         findText(findLE->text(), true);
 451 }
 452
 453
 454 void GuiCitation::on_caseCB_stateChanged(int)
 455 {
 456         findText(findLE->text());
 457 }
 458
 459
 460 void GuiCitation::on_regexCB_stateChanged(int)
 461 {
 462         findText(findLE->text());
 463 }
 464
 465
 466 void GuiCitation::on_asTypeCB_stateChanged(int)
 467 {
 468         bool const searchAsWeGo = (asTypeCB->checkState() == Qt::Checked);
 469         searchPB->setDisabled(findLE->text().isEmpty() || searchAsWeGo);
 470         if (searchAsWeGo)
 471                 findText(findLE->text(), true);
 472 }
 473
 474
 475 void GuiCitation::changed()
 476 {
 477         setButtons();
 478 }
 479
 480
 481 void GuiCitation::apply(int const choice, bool full, bool force,
 482         QString before, QString after)
 483 {
 484         if (cited_keys_.isEmpty())
 485                 return;
 486
 487         vector<CiteStyle> const & styles = citeStyles_;
 488         if (styles[choice] == NOCITE) {
 489                 full = false;
 490                 force = false;
 491                 before.clear();
 492                 after.clear();
 493         }
 494
 495         CitationStyle s;
 496         s.style = styles[choice];
 497         s.full = full;
 498         s.forceUpperCase = force;
 499         string const command = citationStyleToString(s);
 500
 501         params_.setCmdName(command);
 502         params_["key"] = qstring_to_ucs4(cited_keys_.join(","));
 503         params_["before"] = qstring_to_ucs4(before);
 504         params_["after"] = qstring_to_ucs4(after);
 505         dispatchParams();
 506 }
 507
 508
 509 void GuiCitation::clearSelection()
 510 {
 511         cited_keys_.clear();
 512         selected_model_.setStringList(cited_keys_);
 513 }
 514
 515
 516 void GuiCitation::init()
 517 {
 518         // Make the list of all available bibliography keys
 519         BiblioInfo const & bi = bibInfo();
 520         all_keys_ = to_qstring_list(bi.getKeys());
 521         available_model_.setStringList(all_keys_);
 522
 523         // Ditto for the keys cited in this inset
 524         QString str = toqstr(params_["key"]);
 525         if (str.isEmpty())
 526                 cited_keys_.clear();
 527         else
 528                 cited_keys_ = str.split(",");
 529         selected_model_.setStringList(cited_keys_);
 530         if (selected_model_.rowCount()) {
 531                 selectedLV->blockSignals(true);
 532                 selectedLV->setFocus();
 533                 QModelIndex idx = selected_model_.index(0, 0);
 534                 selectedLV->selectionModel()->select(idx,
 535                                 QItemSelectionModel::ClearAndSelect);
 536                 selectedLV->blockSignals(false);
 537
 538                 // set the style combo appropriately
 539                 string const & command = params_.getCmdName();
 540                 vector<CiteStyle> const & styles = citeStyles_;
 541                 CitationStyle const cs = citationStyleFromString(command);
 542
 543                 vector<CiteStyle>::const_iterator cit =
 544                         std::find(styles.begin(), styles.end(), cs.style);
 545                 if (cit != styles.end()) {
 546                         int const i = int(cit - styles.begin());
 547                         // the necessary update will be performed later
 548                         citationStyleCO->blockSignals(true);
 549                         citationStyleCO->setCurrentIndex(i);
 550                         citationStyleCO->blockSignals(false);
 551                 }
 552         } else
 553                 availableLV->setFocus();
 554         fillFields(bi);
 555         fillEntries(bi);
 556         updateControls(bi);
 557 }
 558
 559
 560 void GuiCitation::findKey(BiblioInfo const & bi,
 561         QString const & str, bool only_keys,
 562         docstring field, docstring entry_type,
 563         bool case_sensitive, bool reg_exp, bool reset)
 564 {
 565         // Used for optimisation: store last searched string.
 566         static QString last_searched_string;
 567         // Used to disable the above optimisation.
 568         static bool last_case_sensitive;
 569         static bool last_reg_exp;
 570         // Reset last_searched_string in case of changed option.
 571         if (last_case_sensitive != case_sensitive
 572                 || last_reg_exp != reg_exp) {
 573                         LYXERR(Debug::GUI, "GuiCitation::findKey: optimisation disabled!");
 574                 last_searched_string.clear();
 575         }
 576         // save option for next search.
 577         last_case_sensitive = case_sensitive;
 578         last_reg_exp = reg_exp;
 579
 580         Qt::CaseSensitivity qtcase = case_sensitive ?
 581                         Qt::CaseSensitive: Qt::CaseInsensitive;
 582         QStringList keys;
 583         // If new string (str) contains the last searched one...
 584         if (!reset &&
 585                 !last_searched_string.isEmpty() &&
 586                 str.size() > 1 &&
 587                 str.contains(last_searched_string, qtcase))
 588                 // ... then only search within already found list.
 589                 keys = available_model_.stringList();
 590         else
 591                 // ... else search all keys.
 592                 keys = all_keys_;
 593         // save searched string for next search.
 594         last_searched_string = str;
 595
 596         QStringList result;
 597
 598         // First, filter by entry_type, which will be faster than
 599         // what follows, so we may get to do that on less.
 600         vector<docstring> keyVector = to_docstring_vector(keys);
 601         filterByEntryType(bi, keyVector, entry_type);
 602
 603         if (str.isEmpty())
 604                 result = to_qstring_list(keyVector);
 605         else
 606                 result = to_qstring_list(searchKeys(bi, keyVector, only_keys,
 607                         qstring_to_ucs4(str), field, case_sensitive, reg_exp));
 608
 609         available_model_.setStringList(result);
 610 }
 611
 612
 613 QStringList GuiCitation::citationStyles(BiblioInfo const & bi, int sel)
 614 {
 615         docstring const key = qstring_to_ucs4(cited_keys_[sel]);
 616         return to_qstring_list(bi.getCiteStrings(key, documentBuffer()));
 617 }
 618
 619
 620 void GuiCitation::setCitedKeys()
 621 {
 622         cited_keys_ = selected_model_.stringList();
 623 }
 624
 625
 626 bool GuiCitation::initialiseParams(string const & data)
 627 {
 628         InsetCommand::string2params(data, params_);
 629         CiteEngine const engine = citeEngine();
 630         citeStyles_ = citeStyles(engine);
 631         init();
 632         return true;
 633 }
 634
 635
 636 void GuiCitation::clearParams()
 637 {
 638         params_.clear();
 639 }
 640
 641
 642 void GuiCitation::filterByEntryType(BiblioInfo const & bi,
 643         vector<docstring> & keyVector, docstring entry_type)
 644 {
 645         if (entry_type.empty())
 646                 return;
 647
 648         vector<docstring>::iterator it = keyVector.begin();
 649         vector<docstring>::iterator end = keyVector.end();
 650
 651         vector<docstring> result;
 652         for (; it != end; ++it) {
 653                 docstring const key = *it;
 654                 BiblioInfo::const_iterator cit = bi.find(key);
 655                 if (cit == bi.end())
 656                         continue;
 657                 if (cit->second.entryType() == entry_type)
 658                         result.push_back(key);
 659         }
 660         keyVector = result;
 661 }
 662
 663
 664 CiteEngine GuiCitation::citeEngine() const
 665 {
 666         return documentBuffer().params().citeEngine();
 667 }
 668
 669
 670 // Escape special chars.
 671 // All characters are literals except: '.|*?+(){}[]^$\'
 672 // These characters are literals when preceded by a "\", which is done here
 673 // @todo: This function should be moved to support, and then the test in tests
 674 //        should be moved there as well.
 675 static docstring escape_special_chars(docstring const & expr)
 676 {
 677         // Search for all chars '.|*?+(){}[^$]\'
 678         // Note that '[' and '\' must be escaped.
 679         // This is a limitation of lyx::regex, but all other chars in BREs
 680         // are assumed literal.
 681         static const lyx::regex reg("[].|*?+(){}^$\\[\\\\]");
 682
 683         // $& is a perl-like expression that expands to all
 684         // of the current match
 685         // The '$' must be prefixed with the escape character '\' for
 686         // boost to treat it as a literal.
 687         // Thus, to prefix a matched expression with '\', we use:
 688         // FIXME: UNICODE
 689         return from_utf8(lyx::regex_replace(to_utf8(expr), reg, string("\\\\$&")));
 690 }
 691
 692
 693 vector<docstring> GuiCitation::searchKeys(BiblioInfo const & bi,
 694         vector<docstring> const & keys_to_search, bool only_keys,
 695         docstring const & search_expression, docstring field,
 696         bool case_sensitive, bool regex)
 697 {
 698         vector<docstring> foundKeys;
 699
 700         docstring expr = trim(search_expression);
 701         if (expr.empty())
 702                 return foundKeys;
 703
 704         if (!regex)
 705                 // We must escape special chars in the search_expr so that
 706                 // it is treated as a simple string by lyx::regex.
 707                 expr = escape_special_chars(expr);
 708
 709         lyx::regex reg_exp;
 710         try {
 711                 reg_exp.assign(to_utf8(expr), case_sensitive ?
 712                         lyx::regex_constants::ECMAScript : lyx::regex_constants::icase);
 713         } catch (lyx::regex_error & e) {
 714                 // lyx::regex throws an exception if the regular expression is not
 715                 // valid.
 716                 LYXERR(Debug::GUI, e.what());
 717                 return vector<docstring>();
 718         }
 719
 720         vector<docstring>::const_iterator it = keys_to_search.begin();
 721         vector<docstring>::const_iterator end = keys_to_search.end();
 722         for (; it != end; ++it ) {
 723                 BiblioInfo::const_iterator info = bi.find(*it);
 724                 if (info == bi.end())
 725                         continue;
 726
 727                 BibTeXInfo const & kvm = info->second;
 728                 string data;
 729                 if (only_keys)
 730                         data = to_utf8(*it);
 731                 else if (field.empty())
 732                         data = to_utf8(*it) + ' ' + to_utf8(kvm.allData());
 733                 else
 734                         data = to_utf8(kvm[field]);
 735
 736                 if (data.empty())
 737                         continue;
 738
 739                 try {
 740                         if (lyx::regex_search(data, reg_exp))
 741                                 foundKeys.push_back(*it);
 742                 }
 743                 catch (lyx::regex_error & e) {
 744                         LYXERR(Debug::GUI, e.what());
 745                         return vector<docstring>();
 746                 }
 747         }
 748         return foundKeys;
 749 }
 750
 751
 752 void GuiCitation::dispatchParams()
 753 {
 754         std::string const lfun = InsetCommand::params2string(params_);
 755         dispatch(FuncRequest(getLfun(), lfun));
 756 }
 757
 758
 759 BiblioInfo const & GuiCitation::bibInfo() const
 760 {
 761         Buffer const & buf = documentBuffer();
 762         buf.reloadBibInfoCache();
 763         return buf.masterBibInfo();
 764 }
 765
 766
 767 void GuiCitation::saveSession() const
 768 {
 769         Dialog::saveSession();
 770         QSettings settings;
 771         settings.setValue(
 772                 sessionKey() + "/regex", regexCB->isChecked());
 773         settings.setValue(
 774                 sessionKey() + "/casesensitive", caseCB->isChecked());
 775         settings.setValue(
 776                 sessionKey() + "/autofind", asTypeCB->isChecked());
 777 }
 778
 779
 780 void GuiCitation::restoreSession()
 781 {
 782         Dialog::restoreSession();
 783         QSettings settings;
 784         regexCB->setChecked(
 785                 settings.value(sessionKey() + "/regex").toBool());
 786         caseCB->setChecked(
 787                 settings.value(sessionKey() + "/casesensitive").toBool());
 788         asTypeCB->setChecked(
 789                 settings.value(sessionKey() + "/autofind").toBool());
 790 }
 791
 792
 793 Dialog * createGuiCitation(GuiView & lv) { return new GuiCitation(lv); }
 794
 795
 796 } // namespace frontend
 797 } // namespace lyx
 798
 799 #include "moc_GuiCitation.cpp"
 800