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