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