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         static const size_t max_length = 80;
 264         QStringList sty = citationStyles(bi, max_length);
 265
 266         if (sty.isEmpty()) {
 267                 // some error
 268                 citationStyleCO->setEnabled(false);
 269                 citationStyleLA->setEnabled(false);
 270                 citationStyleCO->clear();
 271                 return;
 272         }
 273
 274         citationStyleCO->blockSignals(true);
 275
 276         // save old index
 277         int const oldIndex = citationStyleCO->currentIndex();
 278         citationStyleCO->clear();
 279         citationStyleCO->insertItems(0, sty);
 280         citationStyleCO->setEnabled(true);
 281         citationStyleLA->setEnabled(true);
 282         // restore old index
 283         if (oldIndex != -1 && oldIndex < citationStyleCO->count())
 284                 citationStyleCO->setCurrentIndex(oldIndex);
 285
 286         citationStyleCO->blockSignals(false);
 287 }
 288
 289
 290 void GuiCitation::fillFields(BiblioInfo const & bi)
 291 {
 292         fieldsCO->blockSignals(true);
 293         int const oldIndex = fieldsCO->currentIndex();
 294         fieldsCO->clear();
 295         QStringList const fields = to_qstring_list(bi.getFields());
 296         fieldsCO->insertItem(0, qt_("All fields"));
 297         fieldsCO->insertItem(1, qt_("Keys"));
 298         fieldsCO->insertItems(2, fields);
 299         if (oldIndex != -1 && oldIndex < fieldsCO->count())
 300                 fieldsCO->setCurrentIndex(oldIndex);
 301         fieldsCO->blockSignals(false);
 302 }
 303
 304
 305 void GuiCitation::fillEntries(BiblioInfo const & bi)
 306 {
 307         entriesCO->blockSignals(true);
 308         int const oldIndex = entriesCO->currentIndex();
 309         entriesCO->clear();
 310         QStringList const entries = to_qstring_list(bi.getEntries());
 311         entriesCO->insertItem(0, qt_("All entry types"));
 312         entriesCO->insertItems(1, entries);
 313         if (oldIndex != -1 && oldIndex < entriesCO->count())
 314                 entriesCO->setCurrentIndex(oldIndex);
 315         entriesCO->blockSignals(false);
 316 }
 317
 318
 319 bool GuiCitation::isSelected(QModelIndex const & idx)
 320 {
 321         QString const str = idx.data().toString();
 322         return selected_model_.stringList().contains(str);
 323 }
 324
 325
 326 void GuiCitation::setButtons()
 327 {
 328         int const srows = selectedLV->model()->rowCount();
 329         applyPB->setEnabled(srows > 0);
 330         okPB->setEnabled(srows > 0);
 331 }
 332
 333
 334 void GuiCitation::updateInfo(BiblioInfo const & bi, QModelIndex const & idx)
 335 {
 336         if (!idx.isValid() || bi.empty()) {
 337                 infoML->document()->clear();
 338                 return;
 339         }
 340
 341         QString const keytxt = toqstr(
 342                 bi.getInfo(qstring_to_ucs4(idx.data().toString()), documentBuffer(), true));
 343         infoML->document()->setHtml(keytxt);
 344 }
 345
 346
 347 void GuiCitation::findText(QString const & text, bool reset)
 348 {
 349         //"All Fields" and "Keys" are the first two
 350         int index = fieldsCO->currentIndex() - 2;
 351         BiblioInfo const & bi = bibInfo();
 352         vector<docstring> const & fields = bi.getFields();
 353         docstring field;
 354
 355         if (index <= -1 || index >= int(fields.size()))
 356                 //either "All Fields" or "Keys" or an invalid value
 357                 field = from_ascii("");
 358         else
 359                 field = fields[index];
 360
 361         //Was it "Keys"?
 362         bool const onlyKeys = index == -1;
 363
 364         //"All Entry Types" is first.
 365         index = entriesCO->currentIndex() - 1;
 366         vector<docstring> const & entries = bi.getEntries();
 367         docstring entry_type;
 368         if (index < 0 || index >= int(entries.size()))
 369                 entry_type = from_ascii("");
 370         else
 371                 entry_type = entries[index];
 372
 373         bool const case_sentitive = caseCB->checkState();
 374         bool const reg_exp = regexCB->checkState();
 375         findKey(bi, text, onlyKeys, field, entry_type,
 376                        case_sentitive, reg_exp, reset);
 377         //FIXME
 378         //It'd be nice to save and restore the current selection in
 379         //availableLV. Currently, we get an automatic reset, since the
 380         //model is reset.
 381
 382         updateControls(bi);
 383 }
 384
 385
 386 void GuiCitation::on_fieldsCO_currentIndexChanged(int /*index*/)
 387 {
 388         findText(findLE->text(), true);
 389 }
 390
 391
 392 void GuiCitation::on_entriesCO_currentIndexChanged(int /*index*/)
 393 {
 394         findText(findLE->text(), true);
 395 }
 396
 397
 398 void GuiCitation::on_citationStyleCO_currentIndexChanged(int index)
 399 {
 400         if (index >= 0 && index < citationStyleCO->count()) {
 401                 vector<CitationStyle> const & styles = citeStyles_;
 402                 updateFormatting(styles[index]);
 403                 changed();
 404         }
 405 }
 406
 407
 408 void GuiCitation::on_findLE_textChanged(const QString & text)
 409 {
 410         bool const searchAsWeGo = (asTypeCB->checkState() == Qt::Checked);
 411         searchPB->setDisabled(text.isEmpty() || searchAsWeGo);
 412         if (!text.isEmpty()) {
 413                 if (searchAsWeGo)
 414                         findText(findLE->text());
 415                 return;
 416         }
 417         findText(findLE->text());
 418         findLE->setFocus();
 419 }
 420
 421 void GuiCitation::on_searchPB_clicked()
 422 {
 423         findText(findLE->text(), true);
 424 }
 425
 426
 427 void GuiCitation::on_caseCB_stateChanged(int)
 428 {
 429         findText(findLE->text());
 430 }
 431
 432
 433 void GuiCitation::on_regexCB_stateChanged(int)
 434 {
 435         findText(findLE->text());
 436 }
 437
 438
 439 void GuiCitation::on_asTypeCB_stateChanged(int)
 440 {
 441         bool const searchAsWeGo = (asTypeCB->checkState() == Qt::Checked);
 442         searchPB->setDisabled(findLE->text().isEmpty() || searchAsWeGo);
 443         if (searchAsWeGo)
 444                 findText(findLE->text(), true);
 445 }
 446
 447
 448 void GuiCitation::changed()
 449 {
 450         setButtons();
 451 }
 452
 453
 454 void GuiCitation::applyParams(int const choice, bool full, bool force,
 455         QString before, QString after)
 456 {
 457         if (cited_keys_.isEmpty())
 458                 return;
 459
 460         vector<CitationStyle> const & styles = citeStyles_;
 461
 462         CitationStyle cs = styles[choice];
 463
 464         if (!cs.textBefore)
 465                 before.clear();
 466         if (!cs.textAfter)
 467                 after.clear();
 468
 469         cs.forceUpperCase &= force;
 470         cs.fullAuthorList &= full;
 471         string const command = citationStyleToString(cs);
 472
 473         params_.setCmdName(command);
 474         params_["key"] = qstring_to_ucs4(cited_keys_.join(","));
 475         params_["before"] = qstring_to_ucs4(before);
 476         params_["after"] = qstring_to_ucs4(after);
 477         dispatchParams();
 478 }
 479
 480
 481 void GuiCitation::clearSelection()
 482 {
 483         cited_keys_.clear();
 484         selected_model_.setStringList(cited_keys_);
 485 }
 486
 487
 488 void GuiCitation::init()
 489 {
 490         // Make the list of all available bibliography keys
 491         BiblioInfo const & bi = bibInfo();
 492         all_keys_ = to_qstring_list(bi.getKeys());
 493         available_model_.setStringList(all_keys_);
 494
 495         // Ditto for the keys cited in this inset
 496         QString str = toqstr(params_["key"]);
 497         if (str.isEmpty())
 498                 cited_keys_.clear();
 499         else
 500                 cited_keys_ = str.split(",");
 501         selected_model_.setStringList(cited_keys_);
 502
 503         // Initialize the drop downs
 504         fillEntries(bi);
 505         fillFields(bi);
 506
 507         // Initialize the citation formatting
 508         string const & cmd = params_.getCmdName();
 509         CitationStyle const cs = citationStyleFromString(cmd);
 510         forceuppercaseCB->setChecked(cs.forceUpperCase);
 511         fulllistCB->setChecked(cs.fullAuthorList &&
 512                 documentBuffer().params().fullAuthorList());
 513         textBeforeED->setText(toqstr(params_["before"]));
 514         textAfterED->setText(toqstr(params_["after"]));
 515
 516         // Update the interface
 517         updateControls(bi);
 518         updateStyles(bi);
 519         if (selected_model_.rowCount()) {
 520                 selectedLV->blockSignals(true);
 521                 selectedLV->setFocus();
 522                 QModelIndex idx = selected_model_.index(0, 0);
 523                 selectedLV->selectionModel()->select(idx,
 524                                 QItemSelectionModel::ClearAndSelect);
 525                 selectedLV->blockSignals(false);
 526
 527                 // Find the citation style
 528                 vector<string> const & cmds = citeCmds_;
 529                 vector<string>::const_iterator cit =
 530                         std::find(cmds.begin(), cmds.end(), cs.cmd);
 531                 int i = 0;
 532                 if (cit != cmds.end())
 533                         i = int(cit - cmds.begin());
 534
 535                 // Set the style combo appropriately
 536                 citationStyleCO->blockSignals(true);
 537                 citationStyleCO->setCurrentIndex(i);
 538                 citationStyleCO->blockSignals(false);
 539                 updateFormatting(citeStyles_[i]);
 540         } else
 541                 availableLV->setFocus();
 542
 543         applyPB->setEnabled(false);
 544         okPB->setEnabled(false);
 545 }
 546
 547
 548 void GuiCitation::findKey(BiblioInfo const & bi,
 549         QString const & str, bool only_keys,
 550         docstring field, docstring entry_type,
 551         bool case_sensitive, bool reg_exp, bool reset)
 552 {
 553         // FIXME THREAD
 554         // Used for optimisation: store last searched string.
 555         static QString last_searched_string;
 556         // Used to disable the above optimisation.
 557         static bool last_case_sensitive;
 558         static bool last_reg_exp;
 559         // Reset last_searched_string in case of changed option.
 560         if (last_case_sensitive != case_sensitive
 561                 || last_reg_exp != reg_exp) {
 562                         LYXERR(Debug::GUI, "GuiCitation::findKey: optimisation disabled!");
 563                 last_searched_string.clear();
 564         }
 565         // save option for next search.
 566         last_case_sensitive = case_sensitive;
 567         last_reg_exp = reg_exp;
 568
 569         Qt::CaseSensitivity qtcase = case_sensitive ?
 570                         Qt::CaseSensitive: Qt::CaseInsensitive;
 571         QStringList keys;
 572         // If new string (str) contains the last searched one...
 573         if (!reset &&
 574                 !last_searched_string.isEmpty() &&
 575                 str.size() > 1 &&
 576                 str.contains(last_searched_string, qtcase))
 577                 // ... then only search within already found list.
 578                 keys = available_model_.stringList();
 579         else
 580                 // ... else search all keys.
 581                 keys = all_keys_;
 582         // save searched string for next search.
 583         last_searched_string = str;
 584
 585         QStringList result;
 586
 587         // First, filter by entry_type, which will be faster than
 588         // what follows, so we may get to do that on less.
 589         vector<docstring> keyVector = to_docstring_vector(keys);
 590         filterByEntryType(bi, keyVector, entry_type);
 591
 592         if (str.isEmpty())
 593                 result = to_qstring_list(keyVector);
 594         else
 595                 result = to_qstring_list(searchKeys(bi, keyVector, only_keys,
 596                         qstring_to_ucs4(str), field, case_sensitive, reg_exp));
 597
 598         available_model_.setStringList(result);
 599 }
 600
 601
 602 QStringList GuiCitation::citationStyles(BiblioInfo const & bi, size_t max_size)
 603 {
 604         docstring const before = qstring_to_ucs4(textBeforeED->text());
 605         docstring const after = qstring_to_ucs4(textAfterED->text());
 606         vector<docstring> const keys = to_docstring_vector(cited_keys_);
 607         vector<CitationStyle> styles = citeStyles_;
 608         // FIXME: pass a dictionary instead of individual before, after, dialog, etc.
 609         vector<docstring> ret = bi.getCiteStrings(keys, styles, documentBuffer(),
 610                 before, after, from_utf8("dialog"), max_size);
 611         return to_qstring_list(ret);
 612 }
 613
 614
 615 void GuiCitation::setCitedKeys()
 616 {
 617         cited_keys_ = selected_model_.stringList();
 618         updateStyles();
 619 }
 620
 621
 622 bool GuiCitation::initialiseParams(string const & data)
 623 {
 624         InsetCommand::string2params(data, params_);
 625         citeCmds_ = documentBuffer().params().citeCommands();
 626         citeStyles_ = documentBuffer().params().citeStyles();
 627         init();
 628         return true;
 629 }
 630
 631
 632 void GuiCitation::clearParams()
 633 {
 634         params_.clear();
 635 }
 636
 637
 638 void GuiCitation::filterByEntryType(BiblioInfo const & bi,
 639         vector<docstring> & keyVector, docstring entry_type)
 640 {
 641         if (entry_type.empty())
 642                 return;
 643
 644         vector<docstring>::iterator it = keyVector.begin();
 645         vector<docstring>::iterator end = keyVector.end();
 646
 647         vector<docstring> result;
 648         for (; it != end; ++it) {
 649                 docstring const key = *it;
 650                 BiblioInfo::const_iterator cit = bi.find(key);
 651                 if (cit == bi.end())
 652                         continue;
 653                 if (cit->second.entryType() == entry_type)
 654                         result.push_back(key);
 655         }
 656         keyVector = result;
 657 }
 658
 659
 660 // Escape special chars.
 661 // All characters are literals except: '.|*?+(){}[]^$\'
 662 // These characters are literals when preceded by a "\", which is done here
 663 // @todo: This function should be moved to support, and then the test in tests
 664 //        should be moved there as well.
 665 static docstring escape_special_chars(docstring const & expr)
 666 {
 667         // Search for all chars '.|*?+(){}[^$]\'
 668         // Note that '[', ']', and '\' must be escaped.
 669         static const lyx::regex reg("[.|*?+(){}^$\\[\\]\\\\]");
 670
 671         // $& is an ECMAScript format expression that expands to all
 672         // of the current match
 673 #if defined(LYX_USE_CXX11) && defined(LYX_USE_STD_REGEX)
 674         // To prefix a matched expression with a single literal backslash, we
 675         // need to escape it for the C++ compiler and use:
 676         // FIXME: UNICODE
 677         return from_utf8(lyx::regex_replace(to_utf8(expr), reg, string("\\$&")));
 678 #else
 679         // A backslash in the format string starts an escape sequence in boost.
 680         // Thus, to prefix a matched expression with a single literal backslash,
 681         // we need to give two backslashes to the regex engine, and escape both
 682         // for the C++ compiler and use:
 683         // FIXME: UNICODE
 684         return from_utf8(lyx::regex_replace(to_utf8(expr), reg, string("\\\\$&")));
 685 #endif
 686 }
 687
 688
 689 vector<docstring> GuiCitation::searchKeys(BiblioInfo const & bi,
 690         vector<docstring> const & keys_to_search, bool only_keys,
 691         docstring const & search_expression, docstring field,
 692         bool case_sensitive, bool regex)
 693 {
 694         vector<docstring> foundKeys;
 695
 696         docstring expr = trim(search_expression);
 697         if (expr.empty())
 698                 return foundKeys;
 699
 700         if (!regex)
 701                 // We must escape special chars in the search_expr so that
 702                 // it is treated as a simple string by lyx::regex.
 703                 expr = escape_special_chars(expr);
 704
 705         lyx::regex reg_exp;
 706         try {
 707                 reg_exp.assign(to_utf8(expr), case_sensitive ?
 708                         lyx::regex_constants::ECMAScript : lyx::regex_constants::icase);
 709         } catch (lyx::regex_error const & e) {
 710                 // lyx::regex throws an exception if the regular expression is not
 711                 // valid.
 712                 LYXERR(Debug::GUI, e.what());
 713                 return vector<docstring>();
 714         }
 715
 716         vector<docstring>::const_iterator it = keys_to_search.begin();
 717         vector<docstring>::const_iterator end = keys_to_search.end();
 718         for (; it != end; ++it ) {
 719                 BiblioInfo::const_iterator info = bi.find(*it);
 720                 if (info == bi.end())
 721                         continue;
 722
 723                 BibTeXInfo const & kvm = info->second;
 724                 string data;
 725                 if (only_keys)
 726                         data = to_utf8(*it);
 727                 else if (field.empty())
 728                         data = to_utf8(*it) + ' ' + to_utf8(kvm.allData());
 729                 else
 730                         data = to_utf8(kvm[field]);
 731
 732                 if (data.empty())
 733                         continue;
 734
 735                 try {
 736                         if (lyx::regex_search(data, reg_exp))
 737                                 foundKeys.push_back(*it);
 738                 }
 739                 catch (lyx::regex_error const & e) {
 740                         LYXERR(Debug::GUI, e.what());
 741                         return vector<docstring>();
 742                 }
 743         }
 744         return foundKeys;
 745 }
 746
 747
 748 void GuiCitation::dispatchParams()
 749 {
 750         std::string const lfun = InsetCommand::params2string(params_);
 751         dispatch(FuncRequest(getLfun(), lfun));
 752 }
 753
 754
 755 BiblioInfo const & GuiCitation::bibInfo() const
 756 {
 757         Buffer const & buf = documentBuffer();
 758         buf.reloadBibInfoCache();
 759         return buf.masterBibInfo();
 760 }
 761
 762
 763 void GuiCitation::saveSession() const
 764 {
 765         Dialog::saveSession();
 766         QSettings settings;
 767         settings.setValue(
 768                 sessionKey() + "/regex", regexCB->isChecked());
 769         settings.setValue(
 770                 sessionKey() + "/casesensitive", caseCB->isChecked());
 771         settings.setValue(
 772                 sessionKey() + "/autofind", asTypeCB->isChecked());
 773 }
 774
 775
 776 void GuiCitation::restoreSession()
 777 {
 778         Dialog::restoreSession();
 779         QSettings settings;
 780         regexCB->setChecked(
 781                 settings.value(sessionKey() + "/regex").toBool());
 782         caseCB->setChecked(
 783                 settings.value(sessionKey() + "/casesensitive").toBool());
 784         asTypeCB->setChecked(
 785                 settings.value(sessionKey() + "/autofind").toBool());
 786 }
 787
 788
 789 Dialog * createGuiCitation(GuiView & lv) { return new GuiCitation(lv); }
 790
 791
 792 } // namespace frontend
 793 } // namespace lyx
 794
 795 #include "moc_GuiCitation.cpp"
 796