src/frontends/qt4/GuiBibtex.cpp

   1 /**
   2  * \file GuiBibtex.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  * \author Herbert Voß
   8  * \author Angus Leeming
   9  * \author Jürgen Spitzmüller
  10  *
  11  * Full author contact details are available in file CREDITS.
  12  */
  13
  14 #include <config.h>
  15
  16 #include "GuiBibtex.h"
  17
  18 #include "Buffer.h"
  19 #include "BufferParams.h"
  20 #include "ui_BibtexAddUi.h"
  21 #include "qt_helpers.h"
  22 #include "Validator.h"
  23 #include "LyXRC.h"
  24
  25 #include "ButtonPolicy.h"
  26
  27 #include "support/debug.h"
  28 #include "support/FileFilterList.h"
  29 #include "support/filetools.h" // changeExtension
  30 #include "support/gettext.h"
  31 #include "support/lstrings.h"
  32
  33 #include <QPushButton>
  34 #include <QListWidget>
  35 #include <QCheckBox>
  36 #include <QLineEdit>
  37
  38 using namespace std;
  39 using namespace lyx::support;
  40
  41 namespace lyx {
  42 namespace frontend {
  43
  44
  45 GuiBibtex::GuiBibtex(GuiView & lv)
  46         : GuiCommand(lv, "bibtex", qt_("BibTeX Bibliography"))
  47 {
  48         setupUi(this);
  49
  50         QDialog::setModal(true);
  51
  52         connect(okPB, SIGNAL(clicked()),
  53                 this, SLOT(slotOK()));
  54         connect(closePB, SIGNAL(clicked()),
  55                 this, SLOT(slotClose()));
  56         connect(stylePB, SIGNAL(clicked()),
  57                 this, SLOT(browsePressed()));
  58         connect(deletePB, SIGNAL(clicked()),
  59                 this, SLOT(deletePressed()));
  60         connect(upPB, SIGNAL(clicked()),
  61                 this, SLOT(upPressed()));
  62         connect(downPB, SIGNAL(clicked()),
  63                 this, SLOT(downPressed()));
  64         connect(styleCB, SIGNAL(editTextChanged(QString)),
  65                 this, SLOT(change_adaptor()));
  66         connect(databaseLW, SIGNAL(currentItemChanged(QListWidgetItem *, QListWidgetItem *)),
  67                 this, SLOT(databaseChanged()));
  68         connect(bibtocCB, SIGNAL(clicked()),
  69                 this, SLOT(change_adaptor()));
  70         connect(btPrintCO, SIGNAL(activated(int)),
  71                 this, SLOT(change_adaptor()));
  72         connect(addBibPB, SIGNAL(clicked()),
  73                 this, SLOT(addPressed()));
  74
  75         add_ = new GuiBibtexAddDialog(this);
  76         add_bc_.setPolicy(ButtonPolicy::OkCancelPolicy);
  77         add_bc_.setOK(add_->addPB);
  78         add_bc_.setCancel(add_->closePB);
  79         add_bc_.addCheckedLineEdit(add_->bibED, 0);
  80
  81         connect(add_->bibED, SIGNAL(textChanged(QString)),
  82                 this, SLOT(bibEDChanged()));
  83         connect(add_->addPB, SIGNAL(clicked()),
  84                 this, SLOT(addDatabase()));
  85         connect(add_->addPB, SIGNAL(clicked()),
  86                 add_, SLOT(accept()));
  87         connect(add_->bibLW, SIGNAL(itemActivated(QListWidgetItem *)),
  88                 this, SLOT(addDatabase()));
  89         connect(add_->bibLW, SIGNAL(itemActivated(QListWidgetItem *)),
  90                 add_, SLOT(accept()));
  91         connect(add_->bibLW, SIGNAL(currentItemChanged(QListWidgetItem *, QListWidgetItem *)),
  92                 this, SLOT(availableChanged()));
  93         connect(add_->browsePB, SIGNAL(clicked()),
  94                 this, SLOT(browseBibPressed()));
  95         connect(add_->closePB, SIGNAL(clicked()),
  96                 add_, SLOT(reject()));
  97
  98         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
  99         bc().setOK(okPB);
 100         bc().setCancel(closePB);
 101         bc().addReadOnly(databaseLW);
 102         bc().addReadOnly(stylePB);
 103         bc().addReadOnly(styleCB);
 104         bc().addReadOnly(bibtocCB);
 105         bc().addReadOnly(addBibPB);
 106         // Delete/Up/Down are handled with more conditions in
 107         // databaseChanged().
 108
 109         // Make sure the delete/up/down buttons are disabled if necessary.
 110         databaseChanged();
 111 }
 112
 113
 114 void GuiBibtex::bibEDChanged()
 115 {
 116         // Indicate to the button controller that the contents have
 117         // changed. The actual test of validity is carried out by
 118         // the checkedLineEdit.
 119         add_bc_.setValid(true);
 120 }
 121
 122
 123 void GuiBibtex::change_adaptor()
 124 {
 125         changed();
 126 }
 127
 128
 129 void GuiBibtex::browsePressed()
 130 {
 131         QString const file = browseBst(QString());
 132
 133         if (file.isEmpty())
 134                 return;
 135
 136         // FIXME UNICODE
 137         QString const filen = toqstr(changeExtension(fromqstr(file), ""));
 138         bool present = false;
 139         unsigned int pres = 0;
 140
 141         for (int i = 0; i != styleCB->count(); ++i) {
 142                 if (styleCB->itemText(i) == filen) {
 143                         present = true;
 144                         pres = i;
 145                 }
 146         }
 147
 148         if (!present)
 149                 styleCB->insertItem(0, filen);
 150
 151         styleCB->setCurrentIndex(pres);
 152         changed();
 153 }
 154
 155
 156 void GuiBibtex::browseBibPressed()
 157 {
 158         QString const file = browseBib(QString()).trimmed();
 159
 160         if (file.isEmpty())
 161                 return;
 162
 163         QString const f = toqstr(changeExtension(fromqstr(file), ""));
 164         bool present = false;
 165
 166         for (int i = 0; i < add_->bibLW->count(); ++i) {
 167                 if (add_->bibLW->item(i)->text() == f)
 168                         present = true;
 169         }
 170
 171         if (!present) {
 172                 add_->bibLW->addItem(f);
 173                 changed();
 174         }
 175
 176         add_->bibED->setText(f);
 177 }
 178
 179
 180 void GuiBibtex::addPressed()
 181 {
 182         add_bc_.setValid(false);
 183         add_->exec();
 184 }
 185
 186
 187 void GuiBibtex::addDatabase()
 188 {
 189         int const sel = add_->bibLW->currentRow();
 190         QString const file = add_->bibED->text().trimmed();
 191
 192         if (sel < 0 && file.isEmpty())
 193                 return;
 194
 195         // Add the selected browser_bib keys to browser_database
 196         // multiple selections are possible
 197         for (int i = 0; i != add_->bibLW->count(); ++i) {
 198                 QListWidgetItem * const item = add_->bibLW->item(i);
 199                 if (add_->bibLW->isItemSelected(item)) {
 200                         add_->bibLW->setItemSelected(item, false);
 201                         QList<QListWidgetItem *> matches =
 202                                 databaseLW->findItems(item->text(), Qt::MatchExactly);
 203                         if (matches.empty()) {
 204                                 QString label = item->text();
 205                                 QListWidgetItem * db = new QListWidgetItem(label);
 206                                 db->setFlags(db->flags() | Qt::ItemIsSelectable
 207                                         | Qt::ItemIsUserCheckable);
 208                                 db->setCheckState(Qt::Checked);
 209                                 databaseLW->addItem(db);
 210                         }
 211                 }
 212         }
 213
 214         if (!file.isEmpty()) {
 215                 add_->bibED->clear();
 216                 QString const f = toqstr(changeExtension(fromqstr(file), ""));
 217                 QList<QListWidgetItem *> matches =
 218                         databaseLW->findItems(f, Qt::MatchExactly);
 219                 if (matches.empty()) {
 220                         QListWidgetItem * db = new QListWidgetItem(f);
 221                         db->setFlags(db->flags() | Qt::ItemIsSelectable
 222                                 | Qt::ItemIsUserCheckable);
 223                         db->setCheckState(Qt::Checked);
 224                         databaseLW->addItem(db);
 225                 }
 226         }
 227
 228         databaseChanged();
 229         changed();
 230 }
 231
 232
 233 void GuiBibtex::deletePressed()
 234 {
 235         QListWidgetItem *cur = databaseLW->takeItem(databaseLW->currentRow());
 236         if (cur) {
 237                 delete cur;
 238                 databaseChanged();
 239                 changed();
 240         }
 241 }
 242
 243
 244 void GuiBibtex::upPressed()
 245 {
 246         int row = databaseLW->currentRow();
 247         QListWidgetItem *cur = databaseLW->takeItem(row);
 248         databaseLW->insertItem(row - 1, cur);
 249         databaseLW->setCurrentItem(cur);
 250         changed();
 251 }
 252
 253
 254 void GuiBibtex::downPressed()
 255 {
 256         int row = databaseLW->currentRow();
 257         QListWidgetItem *cur = databaseLW->takeItem(row);
 258         databaseLW->insertItem(row + 1, cur);
 259         databaseLW->setCurrentItem(cur);
 260         changed();
 261 }
 262
 263
 264 void GuiBibtex::databaseChanged()
 265 {
 266         bool readOnly = isBufferReadonly();
 267         int count = databaseLW->count();
 268         int row = databaseLW->currentRow();
 269         deletePB->setEnabled(!readOnly && row != -1);
 270         upPB->setEnabled(!readOnly && count > 1 && row > 0);
 271         downPB->setEnabled(!readOnly && count > 1 && row < count - 1);
 272 }
 273
 274
 275 void GuiBibtex::availableChanged()
 276 {
 277         add_bc_.setValid(true);
 278 }
 279
 280
 281 void GuiBibtex::updateContents()
 282 {
 283         bool bibtopic = usingBibtopic();
 284
 285         databaseLW->clear();
 286
 287         docstring bibs = params_["bibfiles"];
 288         docstring embs = params_["embed"];
 289         docstring bib;
 290         docstring emb;
 291
 292         while (!bibs.empty()) {
 293                 bibs = split(bibs, bib, ',');
 294                 embs = split(embs, emb, ',');
 295                 bib = trim(bib);
 296                 if (!bib.empty()) {
 297                         QListWidgetItem * db = new QListWidgetItem(toqstr(bib));
 298                         db->setFlags(db->flags() | Qt::ItemIsSelectable
 299                                 | Qt::ItemIsUserCheckable);
 300                         db->setCheckState(emb.empty() ? Qt::Unchecked : Qt::Checked);
 301                         databaseLW->addItem(db);
 302                 }
 303         }
 304
 305         add_->bibLW->clear();
 306
 307         vector<string> bib_str;
 308         getBibFiles(bib_str);
 309         for (vector<string>::const_iterator it = bib_str.begin();
 310                 it != bib_str.end(); ++it) {
 311                 string bibItem(changeExtension(*it, ""));
 312                 add_->bibLW->addItem(toqstr(bibItem));
 313         }
 314
 315         string bibstyle = getStylefile();
 316
 317         bibtocCB->setChecked(bibtotoc() && !bibtopic);
 318         bibtocCB->setEnabled(!bibtopic);
 319
 320         if (!bibtopic && btPrintCO->count() == 3)
 321                 btPrintCO->removeItem(1);
 322         else if (bibtopic && btPrintCO->count() < 3)
 323                 btPrintCO->insertItem(1, qt_("all uncited references", 0));
 324
 325         docstring btprint = params_["btprint"];
 326         int btp = 0;
 327         if ((bibtopic && btprint == "btPrintNotCited") ||
 328            (!bibtopic && btprint == "btPrintAll"))
 329                 btp = 1;
 330         else if (bibtopic && btprint == "btPrintAll")
 331                 btp = 2;
 332
 333         btPrintCO->setCurrentIndex(btp);
 334
 335         styleCB->clear();
 336
 337         int item_nr(-1);
 338
 339         vector<string> str;
 340         getBibStyles(str);
 341         for (vector<string>::const_iterator it = str.begin();
 342                 it != str.end(); ++it) {
 343                 string item(changeExtension(*it, ""));
 344                 if (item == bibstyle)
 345                         item_nr = int(it - str.begin());
 346                 styleCB->addItem(toqstr(item));
 347         }
 348
 349         if (item_nr == -1 && !bibstyle.empty()) {
 350                 styleCB->addItem(toqstr(bibstyle));
 351                 item_nr = styleCB->count() - 1;
 352         }
 353
 354         if (item_nr != -1)
 355                 styleCB->setCurrentIndex(item_nr);
 356         else
 357                 styleCB->clearEditText();
 358 }
 359
 360
 361 void GuiBibtex::applyView()
 362 {
 363         QString dbs = databaseLW->item(0)->text();
 364         docstring emb = databaseLW->item(0)->checkState() == Qt::Checked ? _("true") : _("false");
 365
 366         unsigned int maxCount = databaseLW->count();
 367         for (unsigned int i = 1; i < maxCount; i++) {
 368                 dbs += ',';
 369                 dbs += databaseLW->item(i)->text();
 370                 emb += ',';
 371                 emb += databaseLW->item(i)->checkState() == Qt::Checked ? _("true") : _("false");
 372         }
 373
 374         params_["bibfiles"] = qstring_to_ucs4(dbs);
 375         params_["embed"] = emb;
 376
 377         docstring const bibstyle = qstring_to_ucs4(styleCB->currentText());
 378         bool const bibtotoc = bibtocCB->isChecked();
 379
 380         if (bibtotoc && !bibstyle.empty()) {
 381                 // both bibtotoc and style
 382                 params_["options"] = "bibtotoc," + bibstyle;
 383         } else if (bibtotoc) {
 384                 // bibtotoc and no style
 385                 params_["options"] = from_ascii("bibtotoc");
 386         } else {
 387                 // only style. An empty one is valid, because some
 388                 // documentclasses have an own \bibliographystyle{}
 389                 // command!
 390                 params_["options"] = bibstyle;
 391         }
 392
 393         int btp = btPrintCO->currentIndex();
 394
 395         if (usingBibtopic()) {
 396                 // bibtopic allows three kinds of sections:
 397                 // 1. sections that include all cited references of the database(s)
 398                 // 2. sections that include all uncited references of the database(s)
 399                 // 3. sections that include all references of the database(s), cited or not
 400                 switch (btp) {
 401                 case 0:
 402                         params_["btprint"] = from_ascii("btPrintCited");
 403                         break;
 404                 case 1:
 405                         params_["btprint"] = from_ascii("btPrintNotCited");
 406                         break;
 407                 case 2:
 408                         params_["btprint"] = from_ascii("btPrintAll");
 409                         break;
 410                 }
 411         } else {
 412                 switch (btp) {
 413                 case 0:
 414                         params_["btprint"] = docstring();
 415                         break;
 416                 case 1:
 417                         // use \nocite{*}
 418                         params_["btprint"] = from_ascii("btPrintAll");
 419                         break;
 420                 }
 421         }
 422 }
 423
 424
 425 bool GuiBibtex::isValid()
 426 {
 427         return databaseLW->count() != 0;
 428 }
 429
 430
 431 QString GuiBibtex::browseBib(QString const & in_name) const
 432 {
 433         QString const label1 = qt_("Documents|#o#O");
 434         QString const dir1 = toqstr(lyxrc.document_path);
 435         FileFilterList const filter(_("BibTeX Databases (*.bib)"));
 436         return browseRelFile(in_name, bufferFilepath(),
 437                 qt_("Select a BibTeX database to add"), filter, false, label1, dir1);
 438 }
 439
 440
 441 QString GuiBibtex::browseBst(QString const & in_name) const
 442 {
 443         QString const label1 = qt_("Documents|#o#O");
 444         QString const dir1 = toqstr(lyxrc.document_path);
 445         FileFilterList const filter(_("BibTeX Styles (*.bst)"));
 446         return browseRelFile(in_name, bufferFilepath(),
 447                 qt_("Select a BibTeX style"), filter, false, label1, dir1);
 448 }
 449
 450
 451 void GuiBibtex::getBibStyles(vector<string> & data) const
 452 {
 453         data.clear();
 454
 455         getTexFileList("bstFiles.lst", data);
 456         // test, if we have a valid list, otherwise run rescan
 457         if (data.empty()) {
 458                 rescanBibStyles();
 459                 getTexFileList("bstFiles.lst", data);
 460         }
 461         vector<string>::iterator it  = data.begin();
 462         vector<string>::iterator end = data.end();
 463         for (; it != end; ++it)
 464                 *it = support::onlyFilename(*it);
 465         // sort on filename only (no path)
 466         sort(data.begin(), data.end());
 467 }
 468
 469
 470 void GuiBibtex::getBibFiles(vector<string> & data) const
 471 {
 472         data.clear();
 473
 474         getTexFileList("bibFiles.lst", data);
 475         // test, if we have a valid list, otherwise run rescan
 476         if (data.empty()) {
 477                 rescanBibStyles();
 478                 getTexFileList("bibFiles.lst", data);
 479         }
 480         vector<string>::iterator it  = data.begin();
 481         vector<string>::iterator end = data.end();
 482         for (; it != end; ++it)
 483                 *it = support::onlyFilename(*it);
 484         // sort on filename only (no path)
 485         sort(data.begin(), data.end());
 486 }
 487
 488
 489 void GuiBibtex::rescanBibStyles() const
 490 {
 491         rescanTexStyles();
 492 }
 493
 494
 495 bool GuiBibtex::usingBibtopic() const
 496 {
 497         return buffer().params().use_bibtopic;
 498 }
 499
 500
 501 bool GuiBibtex::bibtotoc() const
 502 {
 503         return prefixIs(to_utf8(params_["options"]), "bibtotoc");
 504 }
 505
 506
 507 string const GuiBibtex::getStylefile() const
 508 {
 509         // the different bibtex packages have (and need) their
 510         // own "plain" stylefiles
 511         biblio::CiteEngine const engine = buffer().params().getEngine();
 512         docstring defaultstyle;
 513         switch (engine) {
 514         case biblio::ENGINE_BASIC:
 515                 defaultstyle = from_ascii("plain");
 516                 break;
 517         case biblio::ENGINE_NATBIB_AUTHORYEAR:
 518                 defaultstyle = from_ascii("plainnat");
 519                 break;
 520         case biblio::ENGINE_NATBIB_NUMERICAL:
 521                 defaultstyle = from_ascii("plainnat");
 522                 break;
 523         case biblio::ENGINE_JURABIB:
 524                 defaultstyle = from_ascii("jurabib");
 525                 break;
 526         }
 527
 528         docstring bst = params_["options"];
 529         if (bibtotoc()){
 530                 // bibstyle exists?
 531                 if (contains(bst, ',')) {
 532                         docstring bibtotoc = from_ascii("bibtotoc");
 533                         bst = split(bst, bibtotoc, ',');
 534                 } else
 535                         bst.erase();
 536         }
 537
 538         // propose default style file for new insets
 539         // existing insets might have (legally) no bst files
 540         // (if the class already provides a style)
 541         if (bst.empty() && params_["bibfiles"].empty())
 542                 bst = defaultstyle;
 543
 544         // FIXME UNICODE
 545         return to_utf8(bst);
 546 }
 547
 548
 549 Dialog * createGuiBibtex(GuiView & lv) { return new GuiBibtex(lv); }
 550
 551
 552 } // namespace frontend
 553 } // namespace lyx
 554
 555 #include "GuiBibtex_moc.cpp"