src/frontends/qt2/QCitationDialog.C

   1 /**
   2  * \file QCitationDialog.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Kalle Dalheimer
   7  * \author John Levon
   8  * \author Jürgen Spitzmüller
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "QCitationDialog.h"
  16 #include "ui/QCitationFindDialogBase.h"
  17 #include "QCitation.h"
  18 #include "qt_helpers.h"
  19
  20 #include "controllers/ControlCitation.h"
  21 #include "controllers/ButtonController.h"
  22
  23 #include <qcheckbox.h>
  24 #include <qlineedit.h>
  25 #include <qlistbox.h>
  26 #include <qmultilineedit.h>
  27 #include <qpushbutton.h>
  28
  29
  30 using std::vector;
  31 using std::string;
  32 using std::swap;
  33
  34 namespace lyx {
  35 namespace frontend {
  36
  37 QCitationDialog::QCitationDialog(QCitation * form)
  38         : QCitationDialogBase(0, 0, false, 0),
  39         form_(form)
  40 {
  41         connect(restorePB, SIGNAL(clicked()),
  42                 form, SLOT(slotRestore()));
  43         connect(okPB, SIGNAL(clicked()),
  44                 form, SLOT(slotOK()));
  45         connect(applyPB, SIGNAL(clicked()),
  46                 form, SLOT(slotApply()));
  47         connect(closePB, SIGNAL(clicked()),
  48                 form, SLOT(slotClose()));
  49
  50         add_ = new QCitationFindDialogBase(this, "", true);
  51         connect(add_->previousPB, SIGNAL(clicked()), this, SLOT(previous()));
  52         connect(add_->nextPB, SIGNAL(clicked()), this, SLOT(next()));
  53         connect(add_->availableLB, SIGNAL(currentChanged(QListBoxItem *)), this, SLOT(availableChanged()));
  54         connect(add_->availableLB, SIGNAL(selected(QListBoxItem *)), this, SLOT(addCitation()));
  55         connect(add_->availableLB, SIGNAL(selected(QListBoxItem *)), add_, SLOT(accept()));
  56         connect(add_->addPB, SIGNAL(clicked()), this, SLOT(addCitation()));
  57         connect(selectedLB, SIGNAL(returnPressed(QListBoxItem *)), form, SLOT(slotOK()));
  58 }
  59
  60
  61 QCitationDialog::~QCitationDialog()
  62 {
  63 }
  64
  65
  66 void QCitationDialog::setButtons()
  67 {
  68         if (form_->readOnly())
  69                 return;
  70
  71         int const sel_nr = selectedLB->currentItem();
  72         int const avail_nr = add_->availableLB->currentItem();
  73
  74         add_->addPB->setEnabled(avail_nr >= 0);
  75         deletePB->setEnabled(sel_nr >= 0);
  76         upPB->setEnabled(sel_nr > 0);
  77         downPB->setEnabled(sel_nr >= 0 && sel_nr < int(selectedLB->count() - 1));
  78 }
  79
  80
  81 void QCitationDialog::openFind()
  82 {
  83         if (form_->readOnly())
  84                 return;
  85
  86         if (isVisible() && selectedLB->count() == 0
  87             && add_->availableLB->count() != 0){
  88                 // open the find dialog
  89                 add();
  90                 // and let the user press ok after a selection
  91                 if (selectedLB->count() != 0)
  92                         form_->bc().valid();
  93         }
  94 }
  95
  96
  97 void QCitationDialog::selectedChanged()
  98 {
  99         form_->fillStyles();
 100         biblio::InfoMap const & theMap = form_->controller().bibkeysInfo();
 101         infoML->clear();
 102
 103         int const sel = selectedLB->currentItem();
 104         if (sel < 0) {
 105                 setButtons();
 106                 return;
 107         }
 108
 109         if (!theMap.empty())
 110                 infoML->setText(
 111                         toqstr(biblio::getInfo(theMap, form_->citekeys[sel])));
 112         setButtons();
 113 }
 114
 115
 116 void QCitationDialog::previous()
 117 {
 118         find(biblio::BACKWARD);
 119 }
 120
 121
 122 void QCitationDialog::next()
 123 {
 124         find(biblio::FORWARD);
 125 }
 126
 127
 128 void QCitationDialog::availableChanged()
 129 {
 130         biblio::InfoMap const & theMap = form_->controller().bibkeysInfo();
 131         add_->infoML->clear();
 132
 133         int const sel = add_->availableLB->currentItem();
 134         if (sel < 0) {
 135                 setButtons();
 136                 return;
 137         }
 138
 139         if (!theMap.empty())
 140                 add_->infoML->setText(
 141                         toqstr(biblio::getInfo(theMap, form_->bibkeys[sel])));
 142         setButtons();
 143 }
 144
 145
 146 void QCitationDialog::addCitation()
 147 {
 148         int const sel = add_->availableLB->currentItem();
 149
 150         if (sel < 0)
 151                 return;
 152
 153         // Add the selected browser_bib keys to browser_cite
 154         // multiple selections are possible
 155         for (unsigned int i = 0; i != add_->availableLB->count(); i++) {
 156                 if (add_->availableLB->isSelected(i)) {
 157                         // do not allow duplicates
 158                         if ((selectedLB->findItem(add_->availableLB->text(i))) == 0) {
 159                                 selectedLB->insertItem(toqstr(form_->bibkeys[i]));
 160                                 form_->citekeys.push_back(form_->bibkeys[i]);
 161                         }
 162                 }
 163         }
 164
 165         int const n = int(form_->citekeys.size());
 166         selectedLB->setSelected(n - 1, true);
 167
 168         form_->changed();
 169         form_->fillStyles();
 170         setButtons();
 171 }
 172
 173
 174 void QCitationDialog::del()
 175 {
 176         int const sel = selectedLB->currentItem();
 177
 178         // Remove the selected key from browser_cite
 179         selectedLB->removeItem(sel);
 180         form_->citekeys.erase(form_->citekeys.begin() + sel);
 181
 182         form_->changed();
 183         form_->fillStyles();
 184         setButtons();
 185 }
 186
 187
 188 void QCitationDialog::up()
 189 {
 190         int const sel = selectedLB->currentItem();
 191
 192         BOOST_ASSERT(sel > 0);
 193
 194         // Move the selected key up one line
 195         string const tmp = form_->citekeys[sel];
 196
 197         selectedLB->removeItem(sel);
 198         swap(form_->citekeys[sel - 1], form_->citekeys[sel]);
 199
 200         selectedLB->insertItem(toqstr(tmp), sel - 1);
 201         selectedLB->setSelected(sel - 1, true);
 202
 203         form_->changed();
 204         form_->fillStyles();
 205         setButtons();
 206 }
 207
 208
 209 void QCitationDialog::down()
 210 {
 211         int const sel = selectedLB->currentItem();
 212
 213         BOOST_ASSERT(sel < (int)form_->citekeys.size());
 214
 215         // Move the selected key down one line
 216         string const tmp = form_->citekeys[sel];
 217
 218         selectedLB->removeItem(sel);
 219         swap(form_->citekeys[sel + 1], form_->citekeys[sel]);
 220
 221         selectedLB->insertItem(toqstr(tmp), sel + 1);
 222         selectedLB->setSelected(sel + 1, true);
 223
 224         form_->changed();
 225         form_->fillStyles();
 226         setButtons();
 227 }
 228
 229
 230 void QCitationDialog::add()
 231 {
 232         add_->exec();
 233 }
 234
 235
 236 void QCitationDialog::changed_adaptor()
 237 {
 238         form_->changed();
 239 }
 240
 241
 242 void QCitationDialog::find(biblio::Direction dir)
 243 {
 244         biblio::InfoMap const & theMap = form_->controller().bibkeysInfo();
 245
 246         biblio::Search const type = add_->searchTypeCB->isChecked()
 247                 ? biblio::REGEX : biblio::SIMPLE;
 248
 249         vector<string>::const_iterator start = form_->bibkeys.begin();
 250         int const sel = add_->availableLB->currentItem();
 251         if (sel >= 0 && sel <= int(form_->bibkeys.size()-1))
 252                 start += sel;
 253
 254         // Find the NEXT instance...
 255         if (dir == biblio::FORWARD)
 256                 start += 1;
 257
 258         bool const casesens = add_->searchCaseCB->isChecked();
 259         string const str = fromqstr(add_->searchED->text());
 260
 261         vector<string>::const_iterator cit =
 262                 biblio::searchKeys(theMap, form_->bibkeys, str,
 263                                    start, type, dir, casesens);
 264
 265         // not found. let's loop round
 266         if (cit == form_->bibkeys.end()) {
 267                 if (dir == biblio::FORWARD) {
 268                         start = form_->bibkeys.begin();
 269                 }
 270                 else start = form_->bibkeys.end() - 1;
 271
 272                 cit = biblio::searchKeys(theMap, form_->bibkeys, str,
 273                                          start, type, dir, casesens);
 274
 275                 if (cit == form_->bibkeys.end())
 276                         return;
 277         }
 278
 279         int const found = int(cit - form_->bibkeys.begin());
 280         if (found == sel) {
 281                 return;
 282         }
 283
 284         // Update the display
 285         // note that we have multi selection mode!
 286         add_->availableLB->setSelected(sel, false);
 287         add_->availableLB->setSelected(found, true);
 288         add_->availableLB->setCurrentItem(found);
 289         add_->availableLB->ensureCurrentVisible();
 290 }
 291
 292 } // namespace frontend
 293 } // namespace lyx