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
  33 namespace lyx {
  34 namespace frontend {
  35
  36 QCitationDialog::QCitationDialog(QCitation * form)
  37         : QCitationDialogBase(0, 0, false, 0),
  38         form_(form)
  39 {
  40         connect(restorePB, SIGNAL(clicked()),
  41                 form, SLOT(slotRestore()));
  42         connect(okPB, SIGNAL(clicked()),
  43                 form, SLOT(slotOK()));
  44         connect(applyPB, SIGNAL(clicked()),
  45                 form, SLOT(slotApply()));
  46         connect(closePB, SIGNAL(clicked()),
  47                 form, SLOT(slotClose()));
  48
  49         add_ = new QCitationFindDialogBase(this, "", true);
  50         connect(add_->previousPB, SIGNAL(clicked()), this, SLOT(previous()));
  51         connect(add_->nextPB, SIGNAL(clicked()), this, SLOT(next()));
  52         connect(add_->availableLB, SIGNAL(currentChanged(QListBoxItem *)), this, SLOT(availableChanged()));
  53         connect(add_->availableLB, SIGNAL(selected(QListBoxItem *)), this, SLOT(addCitation()));
  54         connect(add_->availableLB, SIGNAL(selected(QListBoxItem *)), add_, SLOT(accept()));
  55         connect(add_->addPB, SIGNAL(clicked()), this, SLOT(addCitation()));
  56         connect(selectedLB, SIGNAL(returnPressed(QListBoxItem *)), form, SLOT(slotOK()));
  57 }
  58
  59
  60 QCitationDialog::~QCitationDialog()
  61 {
  62 }
  63
  64
  65 void QCitationDialog::setButtons()
  66 {
  67         if (form_->readOnly())
  68                 return;
  69
  70         int const sel_nr = selectedLB->currentItem();
  71         int const avail_nr = add_->availableLB->currentItem();
  72
  73         add_->addPB->setEnabled(avail_nr >= 0);
  74         deletePB->setEnabled(sel_nr >= 0);
  75         upPB->setEnabled(sel_nr > 0);
  76         downPB->setEnabled(sel_nr >= 0 && sel_nr < int(selectedLB->count() - 1));
  77 }
  78
  79
  80 void QCitationDialog::openFind()
  81 {
  82         if (form_->readOnly())
  83                 return;
  84
  85         if (selectedLB->count() == 0 && add_->availableLB->count() != 0){
  86                 // open the find dialog
  87                 add();
  88                 // and let the user press ok after a selection
  89                 if (selectedLB->count() != 0)
  90                         form_->bc().valid();
  91         }
  92 }
  93
  94
  95 void QCitationDialog::selectedChanged()
  96 {
  97         form_->fillStyles();
  98         biblio::InfoMap const & theMap = form_->controller().bibkeysInfo();
  99         infoML->clear();
 100
 101         int const sel = selectedLB->currentItem();
 102         if (sel < 0) {
 103                 setButtons();
 104                 return;
 105         }
 106
 107         if (!theMap.empty())
 108                 infoML->setText(
 109                         toqstr(biblio::getInfo(theMap, form_->citekeys[sel])));
 110         setButtons();
 111 }
 112
 113
 114 void QCitationDialog::previous()
 115 {
 116         find(biblio::BACKWARD);
 117 }
 118
 119
 120 void QCitationDialog::next()
 121 {
 122         find(biblio::FORWARD);
 123 }
 124
 125
 126 void QCitationDialog::availableChanged()
 127 {
 128         biblio::InfoMap const & theMap = form_->controller().bibkeysInfo();
 129         add_->infoML->clear();
 130
 131         int const sel = add_->availableLB->currentItem();
 132         if (sel < 0) {
 133                 setButtons();
 134                 return;
 135         }
 136
 137         if (!theMap.empty())
 138                 add_->infoML->setText(
 139                         toqstr(biblio::getInfo(theMap, form_->bibkeys[sel])));
 140         setButtons();
 141 }
 142
 143
 144 void QCitationDialog::addCitation()
 145 {
 146         int const sel = add_->availableLB->currentItem();
 147
 148         if (sel < 0)
 149                 return;
 150
 151         // Add the selected browser_bib keys to browser_cite
 152         // multiple selections are possible
 153         for (unsigned int i = 0; i != add_->availableLB->count(); i++) {
 154                 if (add_->availableLB->isSelected(i)) {
 155                         // do not allow duplicates
 156                         if ((selectedLB->findItem(add_->availableLB->text(i))) == 0) {
 157                                 selectedLB->insertItem(toqstr(form_->bibkeys[i]));
 158                                 form_->citekeys.push_back(form_->bibkeys[i]);
 159                         }
 160                 }
 161         }
 162
 163         int const n = int(form_->citekeys.size());
 164         selectedLB->setSelected(n - 1, true);
 165
 166         form_->changed();
 167         form_->fillStyles();
 168         setButtons();
 169 }
 170
 171
 172 void QCitationDialog::del()
 173 {
 174         int const sel = selectedLB->currentItem();
 175
 176         // Remove the selected key from browser_cite
 177         selectedLB->removeItem(sel);
 178         form_->citekeys.erase(form_->citekeys.begin() + sel);
 179
 180         form_->changed();
 181         form_->fillStyles();
 182         setButtons();
 183 }
 184
 185
 186 void QCitationDialog::up()
 187 {
 188         int const sel = selectedLB->currentItem();
 189
 190         // Move the selected key up one line
 191         vector<string>::iterator it = form_->citekeys.begin() + sel;
 192         string const tmp = *it;
 193
 194         selectedLB->removeItem(sel);
 195         form_->citekeys.erase(it);
 196
 197         selectedLB->insertItem(toqstr(tmp), sel - 1);
 198         selectedLB->setSelected(sel - 1, true);
 199         form_->citekeys.insert(it - 1, tmp);
 200
 201         form_->changed();
 202         form_->fillStyles();
 203         setButtons();
 204 }
 205
 206
 207 void QCitationDialog::down()
 208 {
 209         int const sel = selectedLB->currentItem();
 210
 211         // Move the selected key down one line
 212         vector<string>::iterator it = form_->citekeys.begin() + sel;
 213         string const tmp = *it;
 214
 215         selectedLB->removeItem(sel);
 216         form_->citekeys.erase(it);
 217
 218         selectedLB->insertItem(toqstr(tmp), sel + 1);
 219         selectedLB->setSelected(sel + 1, true);
 220         form_->citekeys.insert(it + 1, tmp);
 221
 222         form_->changed();
 223         form_->fillStyles();
 224         setButtons();
 225 }
 226
 227
 228 void QCitationDialog::add()
 229 {
 230         add_->exec();
 231 }
 232
 233
 234 void QCitationDialog::changed_adaptor()
 235 {
 236         form_->changed();
 237 }
 238
 239
 240 void QCitationDialog::find(biblio::Direction dir)
 241 {
 242         biblio::InfoMap const & theMap = form_->controller().bibkeysInfo();
 243
 244         biblio::Search const type = add_->searchTypeCB->isChecked()
 245                 ? biblio::REGEX : biblio::SIMPLE;
 246
 247         vector<string>::const_iterator start = form_->bibkeys.begin();
 248         int const sel = add_->availableLB->currentItem();
 249         if (sel >= 0 && sel <= int(form_->bibkeys.size()-1))
 250                 start += sel;
 251
 252         // Find the NEXT instance...
 253         if (dir == biblio::FORWARD)
 254                 start += 1;
 255         else
 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         add_->availableLB->setSelected(found, true);
 286         add_->availableLB->ensureCurrentVisible();
 287 }
 288
 289 } // namespace frontend
 290 } // namespace lyx