src/frontends/qt4/QBibtex.cpp

   1 /**
   2  * \file QBibtex.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 Jürgen Spitzmüller
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "QBibtex.h"
  16
  17 #include "ui/BibtexAddUi.h"
  18 #include "Qt2BC.h"
  19 #include "qt_helpers.h"
  20 #include "Validator.h"
  21 #include "LyXRC.h"
  22 #include "CheckedLineEdit.h"
  23
  24 #include "controllers/ControlBibtex.h"
  25 #include "controllers/ButtonPolicy.h"
  26
  27 #include "controllers/ControlBibtex.h"
  28
  29 #include "support/filetools.h" // changeExtension
  30 #include "support/lstrings.h"
  31
  32 #include <QPushButton>
  33 #include <QListWidget>
  34 #include <QCheckBox>
  35 #include <QCloseEvent>
  36 #include <QLineEdit>
  37
  38 using lyx::support::changeExtension;
  39 using lyx::support::split;
  40 using lyx::support::trim;
  41
  42 using std::vector;
  43 using std::string;
  44
  45 #include "debug.h"
  46 #include "support/filetools.h"
  47 #include "support/lstrings.h"
  48
  49
  50 namespace lyx {
  51 namespace frontend {
  52
  53
  54 /////////////////////////////////////////////////////////////////////
  55 //
  56 // QBibtexDialog
  57 //
  58 /////////////////////////////////////////////////////////////////////
  59
  60 QBibtexDialog::QBibtexDialog(QBibtex * form)
  61         : form_(form)
  62 {
  63         setupUi(this);
  64         QDialog::setModal(true);
  65
  66         connect(okPB, SIGNAL(clicked()),
  67                 form, SLOT(slotOK()));
  68         connect(closePB, SIGNAL(clicked()),
  69                 form, SLOT(slotClose()));
  70         connect(stylePB, SIGNAL(clicked()),
  71                 this, SLOT( browsePressed()));
  72         connect(deletePB, SIGNAL(clicked()),
  73                 this, SLOT( deletePressed()));
  74         connect(styleCB, SIGNAL(editTextChanged (const QString &)),
  75                 this, SLOT( change_adaptor()));
  76         connect(databaseLW, SIGNAL(itemSelectionChanged()),
  77                 this, SLOT( databaseChanged()));
  78         connect(bibtocCB, SIGNAL(clicked()),
  79                 this, SLOT( change_adaptor()));
  80         connect(btPrintCO, SIGNAL(activated(int)),
  81                 this, SLOT( change_adaptor()));
  82         connect(addBibPB, SIGNAL(clicked()),
  83                 this, SLOT( addPressed()));
  84
  85         add_ = new UiDialog<Ui::QBibtexAddUi>(this, true);
  86
  87         Qt2BC * bcview = new Qt2BC(add_bc_);
  88         add_bc_.view(bcview);
  89         add_bc_.bp(new OkCancelPolicy);
  90
  91         bcview->setOK(add_->addPB);
  92         bcview->setCancel(add_->closePB);
  93
  94         add_->bibED->setValidator(new PathValidator(true, add_->bibED));
  95         addCheckedLineEdit(add_bc_.view(), add_->bibED, 0);
  96
  97         connect(add_->bibED, SIGNAL(textChanged(const QString &)),
  98                 this, SLOT(bibEDChanged()));
  99         connect(add_->addPB, SIGNAL(clicked()),
 100                 this, SLOT(addDatabase()));
 101         connect(add_->addPB, SIGNAL(clicked()),
 102                 add_, SLOT(accept()));
 103         connect(add_->bibLW, SIGNAL(itemActivated(QListWidgetItem *)),
 104                 this, SLOT(addDatabase()));
 105         connect(add_->bibLW, SIGNAL(itemActivated(QListWidgetItem *)),
 106                 add_, SLOT(accept()));
 107         connect(add_->bibLW, SIGNAL(itemSelectionChanged()),
 108                 this, SLOT(availableChanged()));
 109         connect(add_->browsePB, SIGNAL(clicked()),
 110                 this, SLOT(browseBibPressed()));
 111         connect(add_->closePB, SIGNAL(clicked()),
 112                 add_, SLOT(reject()));
 113
 114 }
 115
 116
 117 void QBibtexDialog::bibEDChanged()
 118 {
 119         // Indicate to the button controller that the contents have
 120         // changed. The actual test of validity is carried out by
 121         // the checkedLineEdit.
 122         add_bc_.valid(true);
 123 }
 124
 125
 126 void QBibtexDialog::change_adaptor()
 127 {
 128         form_->changed();
 129 }
 130
 131
 132 void QBibtexDialog::browsePressed()
 133 {
 134         docstring const file = form_->controller().browseBst(docstring());
 135
 136         if (!file.empty()) {
 137                 // FIXME UNICODE
 138                 docstring const filen = from_utf8(changeExtension(to_utf8(file), ""));
 139                 bool present = false;
 140                 unsigned int pres = 0;
 141
 142                 for (int i = 0; i != styleCB->count(); ++i) {
 143                         if (qstring_to_ucs4(styleCB->itemText(i)) == filen) {
 144                                 present = true;
 145                                 pres = i;
 146                         }
 147                 }
 148
 149                 if (!present)
 150                         styleCB->insertItem(0, toqstr(filen));
 151
 152                 styleCB->setCurrentIndex(pres);
 153                 form_->changed();
 154         }
 155 }
 156
 157
 158 void QBibtexDialog::browseBibPressed()
 159 {
 160         docstring const file = trim(form_->controller().browseBib(docstring()));
 161
 162         if (!file.empty()) {
 163                 // FIXME UNICODE
 164                 QString const f = toqstr(changeExtension(to_utf8(file), ""));
 165                 bool present = false;
 166
 167                 for (int i = 0; i < add_->bibLW->count(); ++i) {
 168                         if (add_->bibLW->item(i)->text() == f)
 169                                 present = true;
 170                 }
 171
 172                 if (!present) {
 173                         add_->bibLW->addItem(f);
 174                         form_->changed();
 175                 }
 176
 177                 add_->bibED->setText(f);
 178         }
 179 }
 180
 181
 182 void QBibtexDialog::addPressed()
 183 {
 184         add_bc_.valid(false);
 185         add_->exec();
 186 }
 187
 188
 189 void QBibtexDialog::addDatabase()
 190 {
 191         int const sel = add_->bibLW->currentRow();
 192         docstring const file = trim(qstring_to_ucs4(add_->bibED->text()));
 193
 194         if (sel < 0 && file.empty())
 195                 return;
 196
 197         // Add the selected browser_bib keys to browser_database
 198         // multiple selections are possible
 199         for (int i = 0; i != add_->bibLW->count(); ++i) {
 200                 QListWidgetItem * const item = add_->bibLW->item(i);
 201                 if (add_->bibLW->isItemSelected(item)) {
 202                         add_->bibLW->setItemSelected(item, false);
 203                         QList<QListWidgetItem *> matches =
 204                                 databaseLW->findItems(item->text(), Qt::MatchExactly);
 205                         if (matches.empty())
 206                                 databaseLW->addItem(item->text());
 207                 }
 208         }
 209
 210         if (!file.empty()) {
 211                 add_->bibED->clear();
 212                 QString const f = toqstr(from_utf8(changeExtension(to_utf8(file), "")));
 213                 QList<QListWidgetItem *> matches =
 214                         databaseLW->findItems(f, Qt::MatchExactly);
 215                 if (matches.empty())
 216                         databaseLW->addItem(f);
 217         }
 218
 219         form_->changed();
 220 }
 221
 222
 223 void QBibtexDialog::deletePressed()
 224 {
 225         databaseLW->takeItem(databaseLW->currentRow());
 226         form_->changed();
 227 }
 228
 229
 230
 231 void QBibtexDialog::databaseChanged()
 232 {
 233         deletePB->setEnabled(!form_->readOnly() && databaseLW->currentRow() != -1);
 234 }
 235
 236
 237 void QBibtexDialog::availableChanged()
 238 {
 239         add_bc_.valid(true);
 240 }
 241
 242
 243 void QBibtexDialog::closeEvent(QCloseEvent *e)
 244 {
 245         form_->slotWMHide();
 246         e->accept();
 247 }
 248
 249
 250 /////////////////////////////////////////////////////////////////////
 251 //
 252 // QBibTex
 253 //
 254 /////////////////////////////////////////////////////////////////////
 255
 256
 257 typedef QController<ControlBibtex, QView<QBibtexDialog> > BibtexBase;
 258
 259 QBibtex::QBibtex(Dialog & parent)
 260         : BibtexBase(parent, _("BibTeX Bibliography"))
 261 {
 262 }
 263
 264
 265 void QBibtex::build_dialog()
 266 {
 267         dialog_.reset(new QBibtexDialog(this));
 268
 269         bcview().setOK(dialog_->okPB);
 270         bcview().setCancel(dialog_->closePB);
 271         bcview().addReadOnly(dialog_->databaseLW);
 272         bcview().addReadOnly(dialog_->stylePB);
 273         bcview().addReadOnly(dialog_->styleCB);
 274         bcview().addReadOnly(dialog_->bibtocCB);
 275         bcview().addReadOnly(dialog_->addBibPB);
 276         bcview().addReadOnly(dialog_->deletePB);
 277 }
 278
 279
 280 void QBibtex::update_contents()
 281 {
 282         PathValidator * path_validator =
 283                 getPathValidator(dialog_->add_->bibED);
 284         if (path_validator)
 285                 path_validator->setChecker(kernel().docType(), lyxrc);
 286
 287         bool bibtopic = controller().usingBibtopic();
 288
 289         dialog_->databaseLW->clear();
 290
 291         docstring bibs(controller().params()["bibfiles"]);
 292         docstring bib;
 293
 294         while (!bibs.empty()) {
 295                 bibs = split(bibs, bib, ',');
 296                 bib = trim(bib);
 297                 if (!bib.empty())
 298                         dialog_->databaseLW->addItem(toqstr(bib));
 299         }
 300
 301         dialog_->add_->bibLW->clear();
 302
 303         vector<string> bib_str;
 304         controller().getBibFiles(bib_str);
 305         for (vector<string>::const_iterator it = bib_str.begin();
 306                 it != bib_str.end(); ++it) {
 307                 string bibItem(changeExtension(*it, ""));
 308                 dialog_->add_->bibLW->addItem(toqstr(bibItem));
 309         }
 310
 311         string bibstyle(controller().getStylefile());
 312
 313         dialog_->bibtocCB->setChecked(controller().bibtotoc() && !bibtopic);
 314         dialog_->bibtocCB->setEnabled(!bibtopic);
 315
 316         docstring btprint(controller().params()["btprint"]);
 317         int btp = 0;
 318         if (btprint == "btPrintNotCited")
 319                 btp = 1;
 320         else if (btprint == "btPrintAll")
 321                 btp = 2;
 322
 323         dialog_->btPrintCO->setCurrentIndex(btp);
 324         dialog_->btPrintCO->setEnabled(bibtopic);
 325
 326         dialog_->styleCB->clear();
 327
 328         int item_nr(-1);
 329
 330         vector<string> str;
 331         controller().getBibStyles(str);
 332         for (vector<string>::const_iterator it = str.begin();
 333                 it != str.end(); ++it) {
 334                 string item(changeExtension(*it, ""));
 335                 if (item == bibstyle)
 336                         item_nr = int(it - str.begin());
 337                 dialog_->styleCB->addItem(toqstr(item));
 338         }
 339
 340         if (item_nr == -1 && !bibstyle.empty()) {
 341                 dialog_->styleCB->addItem(toqstr(bibstyle));
 342                 item_nr = dialog_->styleCB->count() - 1;
 343         }
 344
 345         if (item_nr != -1)
 346                 dialog_->styleCB->setCurrentIndex(item_nr);
 347         else
 348                 dialog_->styleCB->clearEditText();
 349 }
 350
 351
 352 void QBibtex::apply()
 353 {
 354         docstring dbs(qstring_to_ucs4(dialog_->databaseLW->item(0)->text()));
 355
 356         unsigned int maxCount = dialog_->databaseLW->count();
 357         for (unsigned int i = 1; i < maxCount; i++) {
 358                 dbs += ',';
 359                 dbs += qstring_to_ucs4(dialog_->databaseLW->item(i)->text());
 360         }
 361
 362         controller().params()["bibfiles"] = dbs;
 363
 364         docstring const bibstyle(qstring_to_ucs4(dialog_->styleCB->currentText()));
 365         bool const bibtotoc(dialog_->bibtocCB->isChecked());
 366
 367         if (bibtotoc && (!bibstyle.empty())) {
 368                 // both bibtotoc and style
 369                 controller().params()["options"] = "bibtotoc," + bibstyle;
 370         } else if (bibtotoc) {
 371                 // bibtotoc and no style
 372                 controller().params()["options"] = from_ascii("bibtotoc");
 373         } else {
 374                 // only style. An empty one is valid, because some
 375                 // documentclasses have an own \bibliographystyle{}
 376                 // command!
 377                 controller().params()["options"] = bibstyle;
 378         }
 379
 380         // bibtopic allows three kinds of sections:
 381         // 1. sections that include all cited references of the database(s)
 382         // 2. sections that include all uncited references of the database(s)
 383         // 3. sections that include all references of the database(s), cited or not
 384         int btp = dialog_->btPrintCO->currentIndex();
 385
 386         switch (btp) {
 387         case 0:
 388                 controller().params()["btprint"] = from_ascii("btPrintCited");
 389                 break;
 390         case 1:
 391                 controller().params()["btprint"] = from_ascii("btPrintNotCited");
 392                 break;
 393         case 2:
 394                 controller().params()["btprint"] = from_ascii("btPrintAll");
 395                 break;
 396         }
 397
 398         if (!controller().usingBibtopic())
 399                 controller().params()["btprint"] = docstring();
 400 }
 401
 402
 403 bool QBibtex::isValid()
 404 {
 405         return dialog_->databaseLW->count() != 0;
 406 }
 407
 408 } // namespace frontend
 409 } // namespace lyx
 410
 411 #include "QBibtex_moc.cpp"