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 "GuiApplication.h"
  20 #include "GuiSelectionManager.h"
  21 #include "qt_helpers.h"
  22
  23 #include "Buffer.h"
  24 #include "BufferView.h"
  25 #include "BiblioInfo.h"
  26 #include "BufferParams.h"
  27 #include "TextClass.h"
  28 #include "FuncRequest.h"
  29
  30 #include "insets/InsetCitation.h"
  31 #include "insets/InsetCommand.h"
  32
  33 #include "support/debug.h"
  34 #include "support/docstring.h"
  35 #include "support/gettext.h"
  36 #include "support/lstrings.h"
  37
  38 #include <QCloseEvent>
  39 #include <QMenu>
  40 #include <QSettings>
  41 #include <QShowEvent>
  42 #include <QStandardItemModel>
  43 #include <QVariant>
  44
  45 #include <vector>
  46 #include <string>
  47
  48 #undef KeyPress
  49
  50 #include "support/regex.h"
  51
  52 #include <algorithm>
  53 #include <string>
  54 #include <vector>
  55
  56 using namespace std;
  57 using namespace lyx::support;
  58
  59 namespace lyx {
  60 namespace frontend {
  61
  62 // FIXME THREAD
  63 // I am guessing that it would not hurt to make these private members.
  64 static vector<string> citeCmds_;
  65 static vector<CitationStyle> citeStyles_;
  66
  67
  68 template<typename String>
  69 static QStringList to_qstring_list(vector<String> const & v)
  70 {
  71         QStringList qlist;
  72
  73         for (size_t i = 0; i != v.size(); ++i) {
  74                 if (v[i].empty())
  75                         continue;
  76                 qlist.append(lyx::toqstr(v[i]));
  77         }
  78         return qlist;
  79 }
  80
  81
  82 static vector<lyx::docstring> to_docstring_vector(QStringList const & qlist)
  83 {
  84         vector<lyx::docstring> v;
  85         for (int i = 0; i != qlist.size(); ++i) {
  86                 if (qlist[i].isEmpty())
  87                         continue;
  88                 v.push_back(lyx::qstring_to_ucs4(qlist[i]));
  89         }
  90         return v;
  91 }
  92
  93
  94 GuiCitation::GuiCitation(GuiView & lv)
  95         : DialogView(lv, "citation", qt_("Citation")),
  96           style_(QString()), params_(insetCode("citation"))
  97 {
  98         setupUi(this);
  99
 100         // The filter bar
 101         filter_ = new FancyLineEdit(this);
 102         filter_->setButtonPixmap(FancyLineEdit::Right, getPixmap("images/", "editclear", "svgz,png"));
 103         filter_->setButtonVisible(FancyLineEdit::Right, true);
 104         filter_->setButtonToolTip(FancyLineEdit::Right, qt_("Clear text"));
 105         filter_->setAutoHideButton(FancyLineEdit::Right, true);
 106         filter_->setPlaceholderText(qt_("All avail. citations"));
 107
 108         filterBarL->addWidget(filter_, 0);
 109         findKeysLA->setBuddy(filter_);
 110
 111         // Add search options as button menu
 112         regexp_ = new QAction(qt_("Regular e&xpression"), this);
 113         regexp_->setCheckable(true);
 114         casesense_ = new QAction(qt_("Case se&nsitive"), this);
 115         casesense_->setCheckable(true);
 116         instant_ = new QAction(qt_("Search as you &type"), this);
 117         instant_->setCheckable(true);
 118         instant_->setChecked(true);
 119
 120         QMenu * searchOpts = new QMenu(this);
 121         searchOpts->addAction(regexp_);
 122         searchOpts->addAction(casesense_);
 123         searchOpts->addAction(instant_);
 124         searchOptionsPB->setMenu(searchOpts);
 125
 126         connect(citationStyleCO, SIGNAL(activated(int)),
 127                 this, SLOT(on_citationStyleCO_currentIndexChanged(int)));
 128         connect(starredCB, SIGNAL(clicked()),
 129                 this, SLOT(updateStyles()));
 130         connect(literalCB, SIGNAL(clicked()),
 131                 this, SLOT(changed()));
 132         connect(forceuppercaseCB, SIGNAL(clicked()),
 133                 this, SLOT(updateStyles()));
 134         connect(textBeforeED, SIGNAL(textChanged(QString)),
 135                 this, SLOT(updateStyles()));
 136         connect(textAfterED, SIGNAL(textChanged(QString)),
 137                 this, SLOT(updateStyles()));
 138         connect(textBeforeED, SIGNAL(returnPressed()),
 139                 this, SLOT(on_buttonBox_accepted()));
 140         connect(textAfterED, SIGNAL(returnPressed()),
 141                 this, SLOT(on_buttonBox_accepted()));
 142
 143         selectionManager = new GuiSelectionManager(this, availableLV, selectedLV,
 144                         addPB, deletePB, upPB, downPB, &available_model_, &selected_model_, 1);
 145         connect(selectionManager, SIGNAL(selectionChanged()),
 146                 this, SLOT(setCitedKeys()));
 147         connect(selectionManager, SIGNAL(updateHook()),
 148                 this, SLOT(updateControls()));
 149         connect(selectionManager, SIGNAL(okHook()),
 150                 this, SLOT(on_buttonBox_accepted()));
 151
 152         connect(filter_, SIGNAL(rightButtonClicked()),
 153                 this, SLOT(resetFilter()));
 154         connect(filter_, SIGNAL(textEdited(QString)),
 155                 this, SLOT(filterChanged(QString)));
 156         connect(filter_, SIGNAL(returnPressed()),
 157                 this, SLOT(filterPressed()));
 158 #if (QT_VERSION < 0x050000)
 159         connect(filter_, SIGNAL(downPressed()),
 160                 availableLV, SLOT(setFocus()));
 161 #else
 162         connect(filter_, &FancyLineEdit::downPressed,
 163                 availableLV, [=](){ focusAndHighlight(availableLV); });
 164 #endif
 165         connect(regexp_, SIGNAL(triggered()),
 166                 this, SLOT(regexChanged()));
 167         connect(casesense_, SIGNAL(triggered()),
 168                 this, SLOT(caseChanged()));
 169         connect(instant_, SIGNAL(triggered(bool)),
 170                 this, SLOT(instantChanged(bool)));
 171
 172 #if (QT_VERSION < 0x050000)
 173         selectedLV->horizontalHeader()->setResizeMode(QHeaderView::Stretch);
 174 #else
 175         selectedLV->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
 176 #endif
 177
 178         setFocusProxy(filter_);
 179 }
 180
 181
 182 void GuiCitation::closeEvent(QCloseEvent * e)
 183 {
 184         clearSelection();
 185         DialogView::closeEvent(e);
 186 }
 187
 188
 189 void GuiCitation::applyView()
 190 {
 191         int const choice = max(0, citationStyleCO->currentIndex());
 192         style_ = citationStyleCO->itemData(citationStyleCO->currentIndex()).toString();
 193         bool const full  = starredCB->isChecked();
 194         bool const force = forceuppercaseCB->isChecked();
 195
 196         QString const before = textBeforeED->text();
 197         QString const after = textAfterED->text();
 198
 199         applyParams(choice, full, force, before, after);
 200 }
 201
 202
 203 void GuiCitation::showEvent(QShowEvent * e)
 204 {
 205         if (!filter_->text().isEmpty())
 206                 filterPressed();
 207         availableLV->setFocus();
 208         DialogView::showEvent(e);
 209 }
 210
 211
 212 void GuiCitation::on_buttonBox_accepted()
 213 {
 214         applyView();
 215         clearSelection();
 216         hide();
 217 }
 218
 219
 220 void GuiCitation::on_buttonBox_rejected()
 221 {
 222         clearSelection();
 223         hide();
 224 }
 225
 226
 227 void GuiCitation::on_buttonBox_clicked(QAbstractButton * button)
 228 {
 229         switch (buttonBox->standardButton(button)) {
 230         case QDialogButtonBox::Apply:
 231                 applyView();
 232                 break;
 233         case QDialogButtonBox::Reset:
 234                 init();
 235                 updateFilterHint();
 236                 filterPressed();
 237                 break;
 238         default:
 239                 break;
 240         }
 241 }
 242
 243
 244 void GuiCitation::on_literalCB_clicked()
 245 {
 246         InsetCitation::last_literal = literalCB->isChecked();
 247         changed();
 248 }
 249
 250
 251 void GuiCitation::updateControls()
 252 {
 253         BiblioInfo const & bi = bibInfo();
 254         updateControls(bi);
 255 }
 256
 257
 258 // The main point of separating this out is that the fill*() methods
 259 // called in update() do not need to be called for INTERNAL updates,
 260 // such as when addPB is pressed, as the list of fields, entries, etc,
 261 // will not have changed.
 262 void GuiCitation::updateControls(BiblioInfo const & bi)
 263 {
 264         QModelIndex idx = selectionManager->getSelectedIndex(1);
 265         updateInfo(bi, idx);
 266         int i = citationStyleCO->currentIndex();
 267         if (i == -1 || i > int(citeStyles_.size()))
 268                 i = 0;
 269         updateFormatting(citeStyles_[i]);
 270         selectionManager->update();
 271 }
 272
 273
 274 void GuiCitation::updateFormatting(CitationStyle const & currentStyle)
 275 {
 276         BufferParams const bp = documentBuffer().params();
 277         bool const force = currentStyle.forceUpperCase;
 278         bool const starred = currentStyle.hasStarredVersion;
 279         bool const full = starred && bp.fullAuthorList();
 280         bool const textbefore = currentStyle.textBefore;
 281         bool const textafter = currentStyle.textAfter;
 282
 283         int const rows = selectedLV->model()->rowCount();
 284
 285         bool const qualified = currentStyle.hasQualifiedList
 286                 && (rows > 1
 287                     || !params_["pretextlist"].empty()
 288                     || !params_["posttextlist"].empty());
 289         selectedLV->horizontalHeader()->setVisible(qualified);
 290         selectedLV->setColumnHidden(0, !qualified);
 291         selectedLV->setColumnHidden(2, !qualified);
 292         bool const haveSelection = rows > 0;
 293         if (qualified) {
 294                 textBeforeLA->setText(qt_("General text befo&re:"));
 295                 textAfterLA->setText(qt_("General &text after:"));
 296                 textBeforeED->setToolTip(qt_("Text that precedes the whole reference list. "
 297                                              "For text that precedes individual items, "
 298                                              "double-click on the respective entry above."));
 299                 textAfterLA->setToolTip(qt_("General &text after:"));
 300                 textAfterED->setToolTip(qt_("Text that follows the whole reference list. "
 301                                              "For text that follows individual items, "
 302                                              "double-click on the respective entry above."));
 303         } else {
 304                 textBeforeLA->setText(qt_("Text befo&re:"));
 305                 if (textbefore && haveSelection)
 306                         textBeforeED->setToolTip(qt_("Text that precedes the reference (e.g., \"cf.\")"));
 307                 else
 308                         textBeforeED->setToolTip(qt_("Text that precedes the reference (e.g., \"cf.\"), "
 309                                                      "if the current citation style supports this."));
 310                 textAfterLA->setText(qt_("&Text after:"));
 311                 if (textafter && haveSelection)
 312                         textAfterED->setToolTip(qt_("Text that follows the reference (e.g., pages)"));
 313                 else
 314                         textAfterED->setToolTip(qt_("Text that follows the reference (e.g., pages), "
 315                                                     "if the current citation style supports this."));
 316         }
 317
 318         forceuppercaseCB->setEnabled(force && haveSelection);
 319         if (force && haveSelection)
 320                 forceuppercaseCB->setToolTip(qt_("Force upper case in names (\"Del Piero\", not \"del Piero\")."));
 321         else
 322                 forceuppercaseCB->setToolTip(qt_("Force upper case in names (\"Del Piero\", not \"del Piero\"), "
 323                                              "if the current citation style supports this."));
 324         starredCB->setEnabled(full && haveSelection);
 325         textBeforeED->setEnabled(textbefore && haveSelection);
 326         textBeforeLA->setEnabled(textbefore && haveSelection);
 327         textAfterED->setEnabled(textafter && haveSelection);
 328         textAfterLA->setEnabled(textafter && haveSelection);
 329         literalCB->setEnabled(textbefore || textafter);
 330         citationStyleCO->setEnabled(haveSelection);
 331         citationStyleLA->setEnabled(haveSelection);
 332
 333         // Check if we have a custom string/tooltip for the starred version
 334         if (starred && !currentStyle.stardesc.empty()) {
 335                 string val =
 336                         bp.documentClass().getCiteMacro(bp.citeEngineType(), currentStyle.stardesc);
 337                 docstring guistring;
 338                 if (!val.empty()) {
 339                         guistring = translateIfPossible(from_utf8(val));
 340                         starredCB->setText(toqstr(guistring));
 341                         starredCB->setEnabled(haveSelection);
 342                 }
 343                 if (!currentStyle.startooltip.empty()) {
 344                         val = bp.documentClass().getCiteMacro(bp.citeEngineType(),
 345                                                               currentStyle.startooltip);
 346                         if (!val.empty())
 347                                 guistring = translateIfPossible(from_utf8(val));
 348                 }
 349                 // Tooltip might also be empty
 350                 starredCB->setToolTip(toqstr(guistring));
 351         } else {
 352                 // This is the default meaning of the starred commands
 353                 starredCB->setText(qt_("All aut&hors"));
 354                 if (full && haveSelection)
 355                         starredCB->setToolTip(qt_("Always list all authors (rather than using \"et al.\")"));
 356                 else
 357                         starredCB->setToolTip(qt_("Always list all authors (rather than using \"et al.\"), "
 358                                                   "if the current citation style supports this."));
 359         }
 360 }
 361
 362
 363 // Update the styles for the style combo, citationStyleCO, and mark the
 364 // settings as changed. Called upon changing the cited keys (including
 365 // merely reordering the keys) or editing the text before/after fields.
 366 void GuiCitation::updateStyles()
 367 {
 368         BiblioInfo const & bi = bibInfo();
 369         updateStyles(bi);
 370         changed();
 371 }
 372
 373
 374 // Update the styles for the style combo, citationStyleCO.
 375 void GuiCitation::updateStyles(BiblioInfo const & bi)
 376 {
 377         QStringList selected_keys = selectedKeys();
 378         int curr = selectedLV->model()->rowCount() - 1;
 379
 380         if (curr < 0 || selected_keys.empty()) {
 381                 citationStyleCO->clear();
 382                 citationStyleCO->setEnabled(false);
 383                 citationStyleLA->setEnabled(false);
 384                 return;
 385         }
 386
 387         static const size_t max_length = 80;
 388         BiblioInfo::CiteStringMap sty = citationStyles(bi, max_length);
 389
 390         if (sty.empty()) {
 391                 // some error
 392                 citationStyleCO->setEnabled(false);
 393                 citationStyleLA->setEnabled(false);
 394                 citationStyleCO->clear();
 395                 return;
 396         }
 397
 398         citationStyleCO->blockSignals(true);
 399
 400         // save old style selection
 401         QString const curdata =
 402                 citationStyleCO->itemData(citationStyleCO->currentIndex()).toString();
 403         QString const olddata = (curdata.isEmpty()) ? style_ : curdata;
 404         citationStyleCO->clear();
 405         BiblioInfo::CiteStringMap::const_iterator cit = sty.begin();
 406         BiblioInfo::CiteStringMap::const_iterator end = sty.end();
 407         for (int ii = 1; cit != end; ++cit, ++ii)
 408                 citationStyleCO->addItem(toqstr(cit->second), toqstr(cit->first));
 409         citationStyleCO->setEnabled(true);
 410         citationStyleLA->setEnabled(true);
 411         // restore old style selection
 412         int const i = citationStyleCO->findData(olddata);
 413         if (i != -1)
 414                 citationStyleCO->setCurrentIndex(i);
 415
 416         citationStyleCO->blockSignals(false);
 417 }
 418
 419
 420 void GuiCitation::fillFields(BiblioInfo const & bi)
 421 {
 422         fieldsCO->blockSignals(true);
 423         int const oldIndex = fieldsCO->currentIndex();
 424         fieldsCO->clear();
 425         QStringList const fields = to_qstring_list(bi.getFields());
 426         fieldsCO->insertItem(0, qt_("All fields"));
 427         fieldsCO->insertItem(1, qt_("Keys"));
 428         fieldsCO->insertItems(2, fields);
 429         if (oldIndex != -1 && oldIndex < fieldsCO->count())
 430                 fieldsCO->setCurrentIndex(oldIndex);
 431         fieldsCO->blockSignals(false);
 432 }
 433
 434
 435 void GuiCitation::fillEntries(BiblioInfo const & bi)
 436 {
 437         entriesCO->blockSignals(true);
 438         int const oldIndex = entriesCO->currentIndex();
 439         entriesCO->clear();
 440         QStringList const entries = to_qstring_list(bi.getEntries());
 441         entriesCO->insertItem(0, qt_("All entry types"));
 442         entriesCO->insertItems(1, entries);
 443         if (oldIndex != -1 && oldIndex < entriesCO->count())
 444                 entriesCO->setCurrentIndex(oldIndex);
 445         entriesCO->blockSignals(false);
 446 }
 447
 448
 449 bool GuiCitation::isSelected(QModelIndex const & idx)
 450 {
 451         QString const str = idx.data().toString();
 452         return selectedKeys().contains(str);
 453 }
 454
 455
 456 void GuiCitation::setButtons()
 457 {
 458         int const srows = selectedLV->model()->rowCount();
 459         buttonBox->button(QDialogButtonBox::Apply)->setEnabled(srows > 0);
 460         buttonBox->button(QDialogButtonBox::Ok)->setEnabled(srows > 0);
 461 }
 462
 463
 464 void GuiCitation::updateInfo(BiblioInfo const & bi, QModelIndex const & idx)
 465 {
 466         if (!idx.isValid() || bi.empty()) {
 467                 infoML->document()->clear();
 468                 infoML->setToolTip(qt_("Displays a sketchy preview if a citation is selected above"));
 469                 return;
 470         }
 471
 472         infoML->setToolTip(qt_("Sketchy preview of the selected citation"));
 473         CiteItem ci;
 474         ci.richtext = true;
 475         QString const keytxt = toqstr(
 476                 bi.getInfo(qstring_to_ucs4(idx.data().toString()), documentBuffer(), ci));
 477         infoML->document()->setHtml(keytxt);
 478 }
 479
 480
 481 void GuiCitation::findText(QString const & text, bool reset)
 482 {
 483         //"All Fields" and "Keys" are the first two
 484         int index = fieldsCO->currentIndex() - 2;
 485         BiblioInfo const & bi = bibInfo();
 486         vector<docstring> const & fields = bi.getFields();
 487         docstring field;
 488
 489         if (index <= -1 || index >= int(fields.size()))
 490                 //either "All Fields" or "Keys" or an invalid value
 491                 field = from_ascii("");
 492         else
 493                 field = fields[index];
 494
 495         //Was it "Keys"?
 496         bool const onlyKeys = index == -1;
 497
 498         //"All Entry Types" is first.
 499         index = entriesCO->currentIndex() - 1;
 500         vector<docstring> const & entries = bi.getEntries();
 501         docstring entry_type;
 502         if (index < 0 || index >= int(entries.size()))
 503                 entry_type = from_ascii("");
 504         else
 505                 entry_type = entries[index];
 506
 507         bool const case_sentitive = casesense_->isChecked();
 508         bool const reg_exp = regexp_->isChecked();
 509
 510         findKey(bi, text, onlyKeys, field, entry_type,
 511                        case_sentitive, reg_exp, reset);
 512         //FIXME
 513         //It'd be nice to save and restore the current selection in
 514         //availableLV. Currently, we get an automatic reset, since the
 515         //model is reset.
 516
 517         updateControls(bi);
 518 }
 519
 520
 521 void GuiCitation::on_fieldsCO_currentIndexChanged(int /*index*/)
 522 {
 523         findText(filter_->text(), true);
 524 }
 525
 526
 527 void GuiCitation::on_entriesCO_currentIndexChanged(int /*index*/)
 528 {
 529         findText(filter_->text(), true);
 530 }
 531
 532
 533 void GuiCitation::on_citationStyleCO_currentIndexChanged(int index)
 534 {
 535         if (index >= 0 && index < citationStyleCO->count()) {
 536                 vector<CitationStyle> const & styles = citeStyles_;
 537                 updateFormatting(styles[index]);
 538                 changed();
 539         }
 540 }
 541
 542
 543 void GuiCitation::filterChanged(const QString & text)
 544 {
 545         if (!text.isEmpty()) {
 546                 if (instant_->isChecked())
 547                         findText(filter_->text());
 548                 return;
 549         }
 550         findText(filter_->text());
 551         filter_->setFocus();
 552 }
 553
 554
 555 void GuiCitation::filterPressed()
 556 {
 557         findText(filter_->text(), true);
 558 }
 559
 560
 561 void GuiCitation::resetFilter()
 562 {
 563         filter_->setText(QString());
 564         findText(filter_->text(), true);
 565 }
 566
 567
 568 void GuiCitation::caseChanged()
 569 {
 570         findText(filter_->text());
 571 }
 572
 573
 574 void GuiCitation::regexChanged()
 575 {
 576         findText(filter_->text());
 577 }
 578
 579
 580 void GuiCitation::updateFilterHint()
 581 {
 582         QString hint = instant_->isChecked() ?
 583                 qt_("Enter string to filter the list of available citations") :
 584                 qt_("Enter string to filter the list of available citations and press <Enter>");
 585         hint += qt_("\nThe down arrow key will get you into the list of filtered citations.");
 586         filter_->setToolTip(hint);
 587 }
 588
 589
 590 void GuiCitation::instantChanged(bool checked)
 591 {
 592         if (checked)
 593                 findText(filter_->text(), true);
 594
 595         updateFilterHint();
 596 }
 597
 598
 599 void GuiCitation::changed()
 600 {
 601         setButtons();
 602 }
 603
 604
 605 void GuiCitation::applyParams(int const choice, bool full, bool force,
 606         QString before, QString after)
 607 {
 608         if (cited_keys_.isEmpty())
 609                 return;
 610
 611         vector<CitationStyle> const & styles = citeStyles_;
 612
 613         CitationStyle cs = styles[choice];
 614
 615         if (!cs.textBefore)
 616                 before.clear();
 617         if (!cs.textAfter)
 618                 after.clear();
 619
 620         cs.forceUpperCase &= force;
 621         cs.hasStarredVersion &= full;
 622         string const command = citationStyleToString(cs);
 623
 624         params_.setCmdName(command);
 625         params_["key"] = qstring_to_ucs4(cited_keys_.join(","));
 626         params_["before"] = qstring_to_ucs4(before);
 627         params_["after"] = qstring_to_ucs4(after);
 628         if (cs.hasQualifiedList) {
 629                 params_["pretextlist"] = getStringFromVector(getPreTexts(), from_ascii("\t"));
 630                 params_["posttextlist"] = getStringFromVector(getPostTexts(), from_ascii("\t"));
 631         }
 632         params_["literal"] = literalCB->isChecked() ? from_ascii("true") : from_ascii("false");
 633         dispatchParams();
 634 }
 635
 636
 637 void GuiCitation::clearSelection()
 638 {
 639         cited_keys_.clear();
 640         setSelectedKeys(cited_keys_);
 641 }
 642
 643
 644 void GuiCitation::setSelectedKeys(QStringList const sl)
 645 {
 646         selected_model_.clear();
 647         selected_model_.setColumnCount(3);
 648         QStringList headers;
 649         headers << qt_("Text before")
 650                 << qt_("Cite key")
 651                 << qt_("Text after");
 652         selected_model_.setHorizontalHeaderLabels(headers);
 653         selectedLV->setColumnHidden(0, true);
 654         selectedLV->setColumnHidden(2, true);
 655         selectedLV->verticalHeader()->setVisible(false);
 656         selectedLV->horizontalHeader()->setVisible(false);
 657         QStringList::const_iterator it  = sl.begin();
 658         QStringList::const_iterator end = sl.end();
 659         for (int i = 0; it != end; ++it, ++i) {
 660                 QStandardItem * si = new QStandardItem();
 661                 si->setData(*it);
 662                 si->setText(*it);
 663                 si->setToolTip(*it);
 664                 si->setEditable(false);
 665                 selected_model_.setItem(i, 1, si);
 666         }
 667 }
 668
 669
 670 QStringList GuiCitation::selectedKeys()
 671 {
 672         QStringList res;
 673         for (int i = 0; i != selected_model_.rowCount(); ++i) {
 674                 QStandardItem const * item = selected_model_.item(i, 1);
 675                 if (item)
 676                         res.append(item->text());
 677         }
 678         return res;
 679 }
 680
 681
 682 void GuiCitation::setPreTexts(vector<docstring> const m)
 683 {
 684         for (docstring const & s: m) {
 685                 QStandardItem * si = new QStandardItem();
 686                 docstring key;
 687                 docstring pre = split(s, key, ' ');
 688                 si->setData(toqstr(pre));
 689                 si->setText(toqstr(pre));
 690                 QModelIndexList qmil =
 691                                 selected_model_.match(selected_model_.index(0, 1),
 692                                                      Qt::DisplayRole, toqstr(key), 1,
 693                                                      Qt::MatchFlags(Qt::MatchExactly | Qt::MatchWrap));
 694                 if (!qmil.empty())
 695                         selected_model_.setItem(qmil.front().row(), 0, si);
 696         }
 697 }
 698
 699
 700 vector<docstring> GuiCitation::getPreTexts()
 701 {
 702         vector<docstring> res;
 703         for (int i = 0; i != selected_model_.rowCount(); ++i) {
 704                 QStandardItem const * key = selected_model_.item(i, 1);
 705                 QStandardItem const * pre = selected_model_.item(i, 0);
 706                 if (key && pre && !key->text().isEmpty() && !pre->text().isEmpty())
 707                         res.push_back(qstring_to_ucs4(key->text()) + " " + qstring_to_ucs4(pre->text()));
 708         }
 709         return res;
 710 }
 711
 712
 713 void GuiCitation::setPostTexts(vector<docstring> const m)
 714 {
 715         for (docstring const & s: m) {
 716                 QStandardItem * si = new QStandardItem();
 717                 docstring key;
 718                 docstring post = split(s, key, ' ');
 719                 si->setData(toqstr(post));
 720                 si->setText(toqstr(post));
 721                 QModelIndexList qmil =
 722                                 selected_model_.match(selected_model_.index(0, 1),
 723                                                      Qt::DisplayRole, toqstr(key), 1,
 724                                                      Qt::MatchFlags(Qt::MatchExactly | Qt::MatchWrap));
 725                 if (!qmil.empty())
 726                         selected_model_.setItem(qmil.front().row(), 2, si);
 727         }
 728 }
 729
 730
 731 vector<docstring> GuiCitation::getPostTexts()
 732 {
 733         vector<docstring> res;
 734         for (int i = 0; i != selected_model_.rowCount(); ++i) {
 735                 QStandardItem const * key = selected_model_.item(i, 1);
 736                 QStandardItem const * post = selected_model_.item(i, 2);
 737                 if (key && post && !key->text().isEmpty() && !post->text().isEmpty())
 738                         res.push_back(qstring_to_ucs4(key->text()) + " " + qstring_to_ucs4(post->text()));
 739         }
 740         return res;
 741 }
 742
 743
 744 void GuiCitation::init()
 745 {
 746         // Make the list of all available bibliography keys
 747         BiblioInfo const & bi = bibInfo();
 748         all_keys_ = to_qstring_list(bi.getKeys());
 749
 750         available_model_.setStringList(all_keys_);
 751
 752         // Ditto for the keys cited in this inset
 753         QString str = toqstr(params_["key"]);
 754         if (str.isEmpty())
 755                 cited_keys_.clear();
 756         else
 757                 cited_keys_ = str.split(",");
 758         setSelectedKeys(cited_keys_);
 759
 760         // Initialize the drop downs
 761         fillEntries(bi);
 762         fillFields(bi);
 763
 764         // Initialize the citation formatting
 765         string const & cmd = params_.getCmdName();
 766         CitationStyle const cs =
 767                 citationStyleFromString(cmd, documentBuffer().params());
 768
 769         forceuppercaseCB->setChecked(cs.forceUpperCase);
 770         starredCB->setChecked(cs.hasStarredVersion &&
 771                 documentBuffer().params().fullAuthorList());
 772         textBeforeED->setText(toqstr(params_["before"]));
 773         textAfterED->setText(toqstr(params_["after"]));
 774
 775         // if this is a new citation, we set the literal checkbox
 776         // to its last set value.
 777         if (cited_keys_.isEmpty())
 778                 literalCB->setChecked(InsetCitation::last_literal);
 779         else
 780                 literalCB->setChecked(params_["literal"] == "true");
 781
 782         setPreTexts(getVectorFromString(params_["pretextlist"], from_ascii("\t")));
 783         setPostTexts(getVectorFromString(params_["posttextlist"], from_ascii("\t")));
 784
 785         // Update the interface
 786         updateControls(bi);
 787         updateStyles(bi);
 788         if (selected_model_.rowCount()) {
 789                 selectedLV->blockSignals(true);
 790                 selectedLV->setFocus();
 791                 selectedLV->selectRow(0);
 792                 selectedLV->blockSignals(false);
 793
 794                 // Find the citation style
 795                 vector<string> const & cmds = citeCmds_;
 796                 vector<string>::const_iterator cit =
 797                         std::find(cmds.begin(), cmds.end(), cs.name);
 798                 int i = 0;
 799                 if (cit != cmds.end())
 800                         i = int(cit - cmds.begin());
 801
 802                 // Set the style combo appropriately
 803                 citationStyleCO->blockSignals(true);
 804                 citationStyleCO->setCurrentIndex(i);
 805                 citationStyleCO->blockSignals(false);
 806                 updateFormatting(citeStyles_[i]);
 807         } else
 808                 availableLV->setFocus();
 809
 810         buttonBox->button(QDialogButtonBox::Apply)->setEnabled(false);
 811         buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
 812 }
 813
 814
 815 void GuiCitation::findKey(BiblioInfo const & bi,
 816         QString const & str, bool only_keys,
 817         docstring field, docstring entry_type,
 818         bool case_sensitive, bool reg_exp, bool reset)
 819 {
 820         // FIXME THREAD
 821         // This should be moved to a class member.
 822         // Used for optimisation: store last searched string.
 823         static QString last_searched_string;
 824         // Used to disable the above optimisation.
 825         static bool last_case_sensitive;
 826         static bool last_reg_exp;
 827         // Reset last_searched_string in case of changed option.
 828         if (last_case_sensitive != case_sensitive
 829                 || last_reg_exp != reg_exp) {
 830                         LYXERR(Debug::GUI, "GuiCitation::findKey: optimisation disabled!");
 831                 last_searched_string.clear();
 832         }
 833         // save option for next search.
 834         last_case_sensitive = case_sensitive;
 835         last_reg_exp = reg_exp;
 836
 837         Qt::CaseSensitivity qtcase = case_sensitive ?
 838                         Qt::CaseSensitive: Qt::CaseInsensitive;
 839         QStringList keys;
 840         // If new string (str) contains the last searched one...
 841         if (!reset &&
 842                 !last_searched_string.isEmpty() &&
 843                 str.size() > 1 &&
 844                 str.contains(last_searched_string, qtcase))
 845                 // ... then only search within already found list.
 846                 keys = available_model_.stringList();
 847         else
 848                 // ... else search all keys.
 849                 keys = all_keys_;
 850         // save searched string for next search.
 851         last_searched_string = str;
 852
 853         QStringList result;
 854
 855         // First, filter by entry_type, which will be faster than
 856         // what follows, so we may get to do that on less.
 857         vector<docstring> keyVector = to_docstring_vector(keys);
 858         filterByEntryType(bi, keyVector, entry_type);
 859
 860         if (str.isEmpty())
 861                 result = to_qstring_list(keyVector);
 862         else
 863                 result = to_qstring_list(searchKeys(bi, keyVector, only_keys,
 864                         qstring_to_ucs4(str), field, case_sensitive, reg_exp));
 865
 866         available_model_.setStringList(result);
 867 }
 868
 869
 870 BiblioInfo::CiteStringMap GuiCitation::citationStyles(BiblioInfo const & bi, size_t max_size)
 871 {
 872         vector<docstring> const keys = to_docstring_vector(cited_keys_);
 873         vector<CitationStyle> styles = citeStyles_;
 874         int ind = citationStyleCO->currentIndex();
 875         if (ind == -1)
 876                 ind = 0;
 877         CitationStyle cs = styles[ind];
 878         vector<docstring> pretexts = getPreTexts();
 879         vector<docstring> posttexts = getPostTexts();
 880         bool const qualified = cs.hasQualifiedList
 881                 && (selectedLV->model()->rowCount() > 1
 882                     || !pretexts.empty()
 883                     || !posttexts.empty());
 884         std::map<docstring, docstring> pres;
 885         for (docstring const & s: pretexts) {
 886                 docstring key;
 887                 docstring val = split(s, key, ' ');
 888                 pres[key] = val;
 889         }
 890         std::map<docstring, docstring> posts;
 891         for (docstring const & s: posttexts) {
 892                 docstring key;
 893                 docstring val = split(s, key, ' ');
 894                 posts[key] = val;
 895         }
 896         CiteItem ci;
 897         ci.textBefore = qstring_to_ucs4(textBeforeED->text());
 898         ci.textAfter = qstring_to_ucs4(textAfterED->text());
 899         ci.forceUpperCase = forceuppercaseCB->isChecked();
 900         ci.Starred = starredCB->isChecked();
 901         ci.context = CiteItem::Dialog;
 902         ci.max_size = max_size;
 903         ci.isQualified = qualified;
 904         ci.pretexts = pres;
 905         ci.posttexts = posts;
 906         BiblioInfo::CiteStringMap ret = bi.getCiteStrings(keys, styles, documentBuffer(), ci);
 907         return ret;
 908 }
 909
 910
 911 void GuiCitation::setCitedKeys()
 912 {
 913         cited_keys_ = selectedKeys();
 914         updateStyles();
 915 }
 916
 917
 918 bool GuiCitation::initialiseParams(string const & sdata)
 919 {
 920         InsetCommand::string2params(sdata, params_);
 921         citeCmds_ = documentBuffer().params().citeCommands();
 922         citeStyles_ = documentBuffer().params().citeStyles();
 923         init();
 924         return true;
 925 }
 926
 927
 928 void GuiCitation::clearParams()
 929 {
 930         params_.clear();
 931 }
 932
 933
 934 void GuiCitation::filterByEntryType(BiblioInfo const & bi,
 935         vector<docstring> & keyVector, docstring entry_type)
 936 {
 937         if (entry_type.empty())
 938                 return;
 939
 940         vector<docstring>::iterator it = keyVector.begin();
 941         vector<docstring>::iterator end = keyVector.end();
 942
 943         vector<docstring> result;
 944         for (; it != end; ++it) {
 945                 docstring const key = *it;
 946                 BiblioInfo::const_iterator cit = bi.find(key);
 947                 if (cit == bi.end())
 948                         continue;
 949                 if (cit->second.entryType() == entry_type)
 950                         result.push_back(key);
 951         }
 952         keyVector = result;
 953 }
 954
 955
 956 // Escape special chars.
 957 // All characters are literals except: '.|*?+(){}[]^$\'
 958 // These characters are literals when preceded by a "\", which is done here
 959 // @todo: This function should be moved to support, and then the test in tests
 960 //        should be moved there as well.
 961 static docstring escape_special_chars(docstring const & expr)
 962 {
 963         // Search for all chars '.|*?+(){}[^$]\'
 964         // Note that '[', ']', and '\' must be escaped.
 965         static const lyx::regex reg("[.|*?+(){}^$\\[\\]\\\\]");
 966
 967         // $& is an ECMAScript format expression that expands to all
 968         // of the current match
 969 #ifdef LYX_USE_STD_REGEX
 970         // To prefix a matched expression with a single literal backslash, we
 971         // need to escape it for the C++ compiler and use:
 972         // FIXME: UNICODE
 973         return from_utf8(lyx::regex_replace(to_utf8(expr), reg, string("\\$&")));
 974 #else
 975         // A backslash in the format string starts an escape sequence in boost.
 976         // Thus, to prefix a matched expression with a single literal backslash,
 977         // we need to give two backslashes to the regex engine, and escape both
 978         // for the C++ compiler and use:
 979         // FIXME: UNICODE
 980         return from_utf8(lyx::regex_replace(to_utf8(expr), reg, string("\\\\$&")));
 981 #endif
 982 }
 983
 984
 985 vector<docstring> GuiCitation::searchKeys(BiblioInfo const & bi,
 986         vector<docstring> const & keys_to_search, bool only_keys,
 987         docstring const & search_expression, docstring field,
 988         bool case_sensitive, bool regex)
 989 {
 990         vector<docstring> foundKeys;
 991
 992         docstring expr = trim(search_expression);
 993         if (expr.empty())
 994                 return foundKeys;
 995
 996         if (!regex)
 997                 // We must escape special chars in the search_expr so that
 998                 // it is treated as a simple string by lyx::regex.
 999                 expr = escape_special_chars(expr);
1000
1001         lyx::regex reg_exp;
1002         try {
1003                 reg_exp.assign(to_utf8(expr), case_sensitive ?
1004                         lyx::regex_constants::ECMAScript : lyx::regex_constants::icase);
1005         } catch (lyx::regex_error const & e) {
1006                 // lyx::regex throws an exception if the regular expression is not
1007                 // valid.
1008                 LYXERR(Debug::GUI, e.what());
1009                 return vector<docstring>();
1010         }
1011
1012         vector<docstring>::const_iterator it = keys_to_search.begin();
1013         vector<docstring>::const_iterator end = keys_to_search.end();
1014         for (; it != end; ++it ) {
1015                 BiblioInfo::const_iterator info = bi.find(*it);
1016                 if (info == bi.end())
1017                         continue;
1018
1019                 BibTeXInfo const & kvm = info->second;
1020                 string sdata;
1021                 if (only_keys)
1022                         sdata = to_utf8(*it);
1023                 else if (field.empty())
1024                         sdata = to_utf8(*it) + ' ' + to_utf8(kvm.allData());
1025                 else
1026                         sdata = to_utf8(kvm[field]);
1027
1028                 if (sdata.empty())
1029                         continue;
1030
1031                 try {
1032                         if (lyx::regex_search(sdata, reg_exp))
1033                                 foundKeys.push_back(*it);
1034                 }
1035                 catch (lyx::regex_error const & e) {
1036                         LYXERR(Debug::GUI, e.what());
1037                         return vector<docstring>();
1038                 }
1039         }
1040         return foundKeys;
1041 }
1042
1043
1044 void GuiCitation::dispatchParams()
1045 {
1046         std::string const lfun = InsetCommand::params2string(params_);
1047         dispatch(FuncRequest(getLfun(), lfun));
1048 }
1049
1050
1051 BiblioInfo const & GuiCitation::bibInfo() const
1052 {
1053         Buffer const & buf = documentBuffer();
1054         buf.reloadBibInfoCache();
1055         return buf.masterBibInfo();
1056 }
1057
1058
1059 void GuiCitation::saveSession(QSettings & settings) const
1060 {
1061         Dialog::saveSession(settings);
1062         settings.setValue(
1063                 sessionKey() + "/regex", regexp_->isChecked());
1064         settings.setValue(
1065                 sessionKey() + "/casesensitive", casesense_->isChecked());
1066         settings.setValue(
1067                 sessionKey() + "/autofind", instant_->isChecked());
1068         settings.setValue(
1069                 sessionKey() + "/citestyle", style_);
1070         settings.setValue(
1071                 sessionKey() + "/literal", InsetCitation::last_literal);
1072 }
1073
1074
1075 void GuiCitation::restoreSession()
1076 {
1077         Dialog::restoreSession();
1078         QSettings settings;
1079         regexp_->setChecked(settings.value(sessionKey() + "/regex").toBool());
1080         casesense_->setChecked(settings.value(sessionKey() + "/casesensitive").toBool());
1081         instant_->setChecked(settings.value(sessionKey() + "/autofind", true).toBool());
1082         style_ = settings.value(sessionKey() + "/citestyle").toString();
1083         InsetCitation::last_literal =
1084                 settings.value(sessionKey() + "/literal", false).toBool();
1085         updateFilterHint();
1086 }
1087
1088
1089 Dialog * createGuiCitation(GuiView & lv) { return new GuiCitation(lv); }
1090
1091
1092 } // namespace frontend
1093 } // namespace lyx
1094
1095 #include "moc_GuiCitation.cpp"
1096