src/frontends/kde/FormCitation.C

   1 /*
   2  * FormCitation.C
   3  * (C) 2000 LyX Team
   4  * John Levon, moz@compsoc.man.ac.uk
   5  */
   6
   7 /***************************************************************************
   8  *                                                                         *
   9  *   This program is free software; you can redistribute it and/or modify  *
  10  *   it under the terms of the GNU General Public License as published by  *
  11  *   the Free Software Foundation; either version 2 of the License, or     *
  12  *   (at your option) any later version.                                   *
  13  *                                                                         *
  14  ***************************************************************************/
  15
  16 #include <config.h>
  17
  18 #include <algorithm>
  19
  20 #include "Dialogs.h"
  21 #include "FormCitation.h"
  22 #include "gettext.h"
  23 #include "buffer.h"
  24 #include "LyXView.h"
  25 #include "lyxfunc.h"
  26 #include "citationdlg.h"
  27
  28 using std::vector;
  29 using std::pair;
  30 using std::find;
  31
  32 FormCitation::FormCitation(LyXView *v, Dialogs *d)
  33         : dialog_(0), lv_(v), d_(d), inset_(0), h_(0), u_(0), ih_(0),
  34         keys(0), chosenkeys(0)
  35 {
  36         // let the dialog be shown
  37         // This is a permanent connection so we won't bother
  38         // storing a copy because we won't be disconnecting.
  39         d->showCitation.connect(slot(this, &FormCitation::showCitation));
  40         d->createCitation.connect(slot(this, &FormCitation::createCitation));
  41 }
  42
  43 FormCitation::~FormCitation()
  44 {
  45         delete dialog_;
  46 }
  47
  48 void FormCitation::showCitation(InsetCommand * const inset)
  49 {
  50         // FIXME: when could inset be 0 here ?
  51         if (inset==0)
  52                 return;
  53
  54         inset_ = inset;
  55         readonly = lv_->buffer()->isReadonly();
  56         ih_ = inset_->hide.connect(slot(this,&FormCitation::hide));
  57         params = inset->params();
  58
  59         show();
  60 }
  61
  62 void FormCitation::createCitation(string const & arg)
  63 {
  64         // we could already be showing stuff, clear it out
  65         if (inset_)
  66                 close();
  67
  68         readonly = lv_->buffer()->isReadonly();
  69         params.setFromString(arg);
  70         show();
  71 }
  72
  73 void FormCitation::updateButtons()
  74 {
  75         if (readonly) {
  76                 dialog_->add->setEnabled(false);
  77                 dialog_->remove->setEnabled(false);
  78                 dialog_->up->setEnabled(false);
  79                 dialog_->down->setEnabled(false);
  80                 return;
  81         }
  82
  83         bool ischosenkey = !selectedChosenKey.empty();
  84
  85         vector<string>::const_iterator iter =
  86                 find(chosenkeys.begin(), chosenkeys.end(), selectedKey);
  87
  88         dialog_->add->setEnabled(!selectedKey.empty() && iter == chosenkeys.end());
  89         dialog_->remove->setEnabled(ischosenkey);
  90         dialog_->up->setEnabled(ischosenkey);
  91         dialog_->down->setEnabled(ischosenkey);
  92 }
  93
  94 void FormCitation::updateChosenList()
  95 {
  96         dialog_->chosen->setAutoUpdate(false);
  97         dialog_->chosen->clear();
  98
  99         for (vector< string >::const_iterator iter = chosenkeys.begin();
 100                 iter != chosenkeys.end(); ++iter) {
 101                 dialog_->chosen->insertItem(iter->c_str());
 102         }
 103         dialog_->chosen->setAutoUpdate(true);
 104         dialog_->chosen->update();
 105 }
 106
 107 void FormCitation::updateAvailableList()
 108 {
 109         dialog_->keys->setAutoUpdate(false);
 110         dialog_->keys->clear();
 111
 112         for (vector< pair<string,string> >::const_iterator iter = keys.begin();
 113                 iter != keys.end(); ++iter) {
 114                 dialog_->keys->insertItem(iter->first.c_str());
 115         }
 116         dialog_->keys->setAutoUpdate(true);
 117         dialog_->keys->update();
 118 }
 119
 120
 121 // we can safely ignore the parameter because we can always update
 122 void FormCitation::update(bool)
 123 {
 124         keys.clear();
 125
 126         vector < pair<string,string> > ckeys = lv_->buffer()->getBibkeyList();
 127
 128         for (vector< pair<string,string> >::const_iterator iter = ckeys.begin();
 129                 iter != ckeys.end(); ++iter) {
 130                 keys.push_back(*iter);
 131         }
 132
 133         updateAvailableList();
 134         selectedKey.erase();
 135
 136         chosenkeys.clear();
 137
 138         string tmp, paramkeys(params.getContents());
 139         paramkeys = frontStrip(split(paramkeys, tmp, ','));
 140
 141         while (!tmp.empty()) {
 142                 chosenkeys.push_back(tmp);
 143                 paramkeys = frontStrip(split(paramkeys, tmp, ','));
 144         }
 145
 146         updateChosenList();
 147         selectedChosenKey.erase();
 148
 149         dialog_->entry->setText("");
 150
 151         dialog_->after->setText(params.getOptions().c_str());
 152
 153         updateButtons();
 154
 155         if (readonly) {
 156                 dialog_->keys->setFocusPolicy(QWidget::NoFocus);
 157                 dialog_->chosen->setFocusPolicy(QWidget::NoFocus);
 158                 dialog_->after->setFocusPolicy(QWidget::NoFocus);
 159                 dialog_->buttonOk->setEnabled(false);
 160                 dialog_->buttonCancel->setText(_("&Close"));
 161         } else {
 162                 dialog_->keys->setFocusPolicy(QWidget::StrongFocus);
 163                 dialog_->chosen->setFocusPolicy(QWidget::StrongFocus);
 164                 dialog_->after->setFocusPolicy(QWidget::StrongFocus);
 165                 dialog_->buttonOk->setEnabled(true);
 166                 dialog_->buttonCancel->setText(_("&Cancel"));
 167         }
 168 }
 169
 170 void FormCitation::apply()
 171 {
 172         if (readonly)
 173                 return;
 174
 175         string contents;
 176
 177         for (vector< string >::const_iterator iter = chosenkeys.begin();
 178                 iter != chosenkeys.end(); ++iter) {
 179                 if (iter != chosenkeys.begin())
 180                         contents += ", ";
 181                 contents += *iter;
 182         }
 183
 184         params.setContents(contents);
 185         params.setOptions(dialog_->after->text());
 186
 187         if (inset_ != 0) {
 188                 if (params != inset_->params()) {
 189                         inset_->setParams(params);
 190                         lv_->view()->updateInset(inset_, true);
 191                 }
 192         } else
 193                 lv_->getLyXFunc()->Dispatch(LFUN_CITATION_INSERT, params.getAsString().c_str());
 194 }
 195
 196 void FormCitation::show()
 197 {
 198         if (!dialog_)
 199                 dialog_ = new CitationDialog(this, 0, _("LyX: Citation Reference"), false);
 200
 201         if (!dialog_->isVisible()) {
 202                 h_ = d_->hideBufferDependent.connect(slot(this, &FormCitation::hide));
 203                 u_ = d_->updateBufferDependent.connect(slot(this, &FormCitation::update));
 204         }
 205
 206         dialog_->raise();
 207         dialog_->setActiveWindow();
 208
 209         update();
 210         dialog_->show();
 211 }
 212
 213 void FormCitation::close()
 214 {
 215         h_.disconnect();
 216         u_.disconnect();
 217         ih_.disconnect();
 218         inset_ = 0;
 219 }
 220
 221 void FormCitation::hide()
 222 {
 223         dialog_->hide();
 224         close();
 225 }
 226
 227 void FormCitation::selectChosen()
 228 {
 229         for (unsigned int i=0; i < dialog_->chosen->count(); ++i) {
 230                 if (dialog_->chosen->text(i)==selectedChosenKey) {
 231                         dialog_->chosen->setSelected(i,true);
 232                         dialog_->chosen->setTopItem(i);
 233                         break;
 234                 }
 235         }
 236 }
 237
 238 void FormCitation::add()
 239 {
 240         if (selectedKey.empty())
 241                 return;
 242
 243         for (vector< pair<string,string> >::const_iterator iter = keys.begin();
 244                 iter != keys.end(); ++iter) {
 245                 if (iter->first == selectedKey) {
 246                         chosenkeys.push_back(iter->first);
 247                         break;
 248                 }
 249         }
 250
 251         selectedChosenKey.erase();
 252         updateChosenList();
 253         updateButtons();
 254 }
 255
 256 void FormCitation::remove()
 257 {
 258         if (selectedChosenKey.empty())
 259                 return;
 260
 261         for (vector< string >::iterator iter = chosenkeys.begin();
 262                 iter != chosenkeys.end(); ++iter) {
 263                 if (*iter==selectedChosenKey) {
 264                         chosenkeys.erase(iter);
 265                         break;
 266                 }
 267         }
 268         selectedChosenKey.erase();
 269         updateChosenList();
 270         updateButtons();
 271 }
 272
 273 void FormCitation::up()
 274 {
 275         if (selectedChosenKey.empty())
 276                 return;
 277
 278         // Qt will select the first one on redo, so we need this
 279         string tmp = selectedChosenKey;
 280
 281         vector< string >::iterator iter = chosenkeys.begin();
 282
 283         for (; iter != chosenkeys.end(); ++iter) {
 284                 if (*iter==selectedChosenKey && iter!=chosenkeys.begin()) {
 285                         string tmp = *iter;
 286                         chosenkeys.erase(iter);
 287                         chosenkeys.insert(iter-1,tmp);
 288                         break;
 289                 }
 290         }
 291         if (iter==chosenkeys.end())
 292                 return;
 293
 294         updateChosenList();
 295         selectedChosenKey=tmp;
 296         selectChosen();
 297 }
 298
 299 void FormCitation::down()
 300 {
 301         if (selectedChosenKey.empty())
 302                 return;
 303
 304         // Qt will select the first one on redo, so we need this
 305         string tmp = selectedChosenKey;
 306
 307         vector< string >::iterator iter = chosenkeys.begin();
 308
 309         for (; iter != chosenkeys.end(); ++iter) {
 310                 if (*iter==selectedChosenKey && (iter+1)!=chosenkeys.end()) {
 311                         string tmp = *iter;
 312                         chosenkeys.erase(iter);
 313                         chosenkeys.insert(iter+1, tmp);
 314                         break;
 315                 }
 316         }
 317         if (iter==chosenkeys.end())
 318                 return;
 319
 320         updateChosenList();
 321         selectedChosenKey=tmp;
 322         selectChosen();
 323 }
 324
 325 void FormCitation::select_key(const char *key)
 326 {
 327         if (readonly)
 328                 return;
 329
 330         vector<string>::const_iterator iter =
 331                 find(chosenkeys.begin(), chosenkeys.end(), key);
 332
 333         if (iter!=chosenkeys.end())
 334                 return;
 335
 336         selectedKey.erase();
 337         selectedKey = key;
 338
 339         add();
 340 }
 341
 342 void FormCitation::highlight_key(const char *key)
 343 {
 344         if (readonly)
 345                 return;
 346
 347         selectedKey.erase();
 348         selectedKey = key;
 349
 350         for (unsigned int i=0; i < keys.size(); i++) {
 351                 if (keys[i].first==key) {
 352                         dialog_->entry->setText(keys[i].second.c_str());
 353                         dialog_->chosen->clearFocus();
 354                         dialog_->chosen->clearSelection();
 355                         selectedChosenKey.erase();
 356                         break;
 357                 }
 358         }
 359
 360         updateButtons();
 361 }
 362
 363 void FormCitation::highlight_chosen(const char *key)
 364 {
 365         selectedChosenKey.erase();
 366         selectedChosenKey = key;
 367
 368         unsigned int i;
 369
 370         for (i=0; i < keys.size(); i++) {
 371                 if (keys[i].first==key) {
 372                         if (keys[i].second.compare(dialog_->entry->text()))
 373                                 dialog_->entry->setText(keys[i].second.c_str());
 374                         dialog_->keys->clearFocus();
 375                         dialog_->keys->clearSelection();
 376                         selectedKey.erase();
 377                         break;
 378                 }
 379         }
 380
 381         if (i==keys.size())
 382                 dialog_->entry->setText(_("Key not found in references."));
 383
 384         updateButtons();
 385 }