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