src/frontends/qt4/GuiThesaurus.cpp

   1 /**
   2  * \file GuiThesaurus.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 Jürgen Spitzmüller
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "GuiThesaurus.h"
  15 #include "GuiApplication.h"
  16
  17 #include "qt_helpers.h"
  18
  19 #include "Buffer.h"
  20 #include "BufferParams.h"
  21 #include "BufferView.h"
  22 #include "FuncRequest.h"
  23 #include "Language.h"
  24 #include "lyxfind.h"
  25 #include "WordLangTuple.h"
  26
  27 #include "support/debug.h"
  28 #include "support/gettext.h"
  29 #include "support/lstrings.h"
  30
  31 #include <QAbstractItemModel>
  32 #include <QCompleter>
  33 #include <QDialogButtonBox>
  34 #include <QHeaderView>
  35 #include <QLineEdit>
  36 #include <QPushButton>
  37 #include <QTreeWidget>
  38 #include <QTreeWidgetItem>
  39
  40
  41 using namespace lyx::support;
  42 using namespace std;
  43
  44 namespace lyx {
  45 namespace frontend {
  46
  47 GuiThesaurus::GuiThesaurus(GuiView & lv)
  48         : GuiDialog(lv, "thesaurus", qt_("Thesaurus"))
  49 {
  50         setupUi(this);
  51
  52         meaningsTV->setColumnCount(1);
  53         meaningsTV->header()->hide();
  54
  55         connect(buttonBox, SIGNAL(clicked(QAbstractButton *)),
  56                 this, SLOT(slotButtonBox(QAbstractButton *)));
  57         connect(replaceED, SIGNAL(returnPressed()),
  58                 this, SLOT(replaceClicked()));
  59         connect(replaceED, SIGNAL(textChanged(QString)),
  60                 this, SLOT(change_adaptor()));
  61         connect(entryCO, SIGNAL(editTextChanged(const QString &)),
  62                 this, SLOT(entryChanged()));
  63         connect(entryCO, SIGNAL(activated(int)),
  64                 this, SLOT(entryChanged()));
  65         connect(lookupPB, SIGNAL(clicked()),
  66                 this, SLOT(entryChanged()));
  67         connect(replacePB, SIGNAL(clicked()),
  68                 this, SLOT(replaceClicked()));
  69         connect(languageCO, SIGNAL(activated(int)),
  70                 this, SLOT(entryChanged()));
  71         connect(meaningsTV, SIGNAL(itemClicked(QTreeWidgetItem *, int)),
  72                 this, SLOT(itemClicked(QTreeWidgetItem *, int)));
  73         connect(meaningsTV, SIGNAL(itemSelectionChanged()),
  74                 this, SLOT(selectionChanged()));
  75         connect(meaningsTV, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)),
  76                 this, SLOT(selectionClicked(QTreeWidgetItem *, int)));
  77
  78         // language
  79         QAbstractItemModel * language_model = guiApp->languageModel();
  80         // FIXME: it would be nice if sorting was enabled/disabled via a checkbox.
  81         language_model->sort(0);
  82         languageCO->setModel(language_model);
  83         languageCO->setModelColumn(2);
  84
  85         //bug #8138
  86         if (entryCO->completer())
  87                 entryCO->completer()->setCompletionMode(QCompleter::PopupCompletion);
  88
  89         bc().setCancel(buttonBox->button(QDialogButtonBox::Close));
  90         bc().setApply(replacePB);
  91         bc().addReadOnly(replaceED);
  92         bc().addReadOnly(replacePB);
  93         bc().setPolicy(ButtonPolicy::OkApplyCancelReadOnlyPolicy);
  94 }
  95
  96 void GuiThesaurus::checkStatus()
  97 {
  98         if (!isBufferAvailable()) {
  99                 // deactivate the thesaurus if we have no buffer
 100                 enableView(false);
 101                 return;
 102         }
 103         updateView();
 104 }
 105
 106 void GuiThesaurus::change_adaptor()
 107 {
 108         changed();
 109 }
 110
 111
 112 void GuiThesaurus::entryChanged()
 113 {
 114         updateLists();
 115 }
 116
 117
 118 void GuiThesaurus::selectionChanged()
 119 {
 120         int const col = meaningsTV->currentColumn();
 121         if (col < 0 || isBufferReadonly())
 122                 return;
 123
 124         QString item = meaningsTV->currentItem()->text(col);
 125         // cut out the classification in brackets:
 126         // "hominid (generic term)" -> "hominid"
 127         QRegExp re("^([^\\(\\)]+)\\b\\(?.*\\)?.*$");
 128         // This is for items with classifications at the beginning:
 129         // "(noun) man" -> "man"; "(noun) male (generic term)" -> "male"
 130         QRegExp rex("^(\\(.+\\))\\s*([^\\(\\)]+)\\s*\\(?.*\\)?.*$");
 131         int pos = re.indexIn(item);
 132         if (pos > -1)
 133                 item = re.cap(1).trimmed();
 134         pos = rex.indexIn(item);
 135         if (pos > -1)
 136                 item = rex.cap(2).trimmed();
 137         replaceED->setText(item);
 138         replacePB->setEnabled(!isBufferReadonly());
 139         changed();
 140 }
 141
 142
 143 void GuiThesaurus::itemClicked(QTreeWidgetItem * /*item*/, int /*col*/)
 144 {
 145         selectionChanged();
 146 }
 147
 148
 149 void GuiThesaurus::selectionClicked(QTreeWidgetItem * item, int col)
 150 {
 151         QString str = item->text(col);
 152         // cut out the classification in brackets:
 153         // "hominid (generic term)" -> "hominid"
 154         QRegExp re("^([^\\(\\)]+)\\b\\(?.*\\)?.*$");
 155         // This is for items with classifications at the beginning:
 156         // "(noun) man" -> "man"; "(noun) male (generic term)" -> "male"
 157         QRegExp rex("^(\\(.+\\))\\s*([^\\(\\)]+)\\s*\\(?.*\\)?.*$");
 158         int pos = re.indexIn(str);
 159         if (pos > -1)
 160                 str = re.cap(1).trimmed();
 161         pos = rex.indexIn(str);
 162         if (pos > -1)
 163                 str = rex.cap(2).trimmed();
 164         entryCO->insertItem(0, str);
 165         entryCO->setCurrentIndex(0);
 166
 167         selectionChanged();
 168         updateLists();
 169 }
 170
 171
 172 void GuiThesaurus::updateLists()
 173 {
 174         meaningsTV->clear();
 175
 176         if (entryCO->currentText().isEmpty())
 177                 return;
 178
 179         meaningsTV->setUpdatesEnabled(false);
 180
 181         QString const lang = languageCO->itemData(
 182                 languageCO->currentIndex()).toString();
 183         Language * language = const_cast<Language*>(lyx::languages.getLanguage(fromqstr(lang)));
 184         docstring const lang_code = from_ascii(language->code());
 185
 186         Thesaurus::Meanings meanings =
 187                 getMeanings(WordLangTuple(qstring_to_ucs4(entryCO->currentText()), language));
 188
 189         for (Thesaurus::Meanings::const_iterator cit = meanings.begin();
 190                 cit != meanings.end(); ++cit) {
 191                 QTreeWidgetItem * i = new QTreeWidgetItem(meaningsTV);
 192                 i->setText(0, toqstr(cit->first));
 193                 meaningsTV->expandItem(i);
 194                 for (vector<docstring>::const_iterator cit2 = cit->second.begin();
 195                         cit2 != cit->second.end(); ++cit2) {
 196                                 QTreeWidgetItem * i2 = new QTreeWidgetItem(i);
 197                                 i2->setText(0, toqstr(*cit2));
 198                         }
 199                 meaningsTV->setEnabled(true);
 200                 lookupPB->setEnabled(true);
 201                 bool const readonly = isBufferReadonly();
 202                 replaceED->setEnabled(!readonly);
 203                 replacePB->setEnabled(!readonly);
 204         }
 205
 206         if (meanings.empty()) {
 207                 if (!thesaurus.thesaurusAvailable(lang_code)) {
 208                         QTreeWidgetItem * i = new QTreeWidgetItem(meaningsTV);
 209                         i->setText(0, qt_("No thesaurus available for this language!"));
 210                         meaningsTV->setEnabled(false);
 211                         lookupPB->setEnabled(false);
 212                         replaceED->setEnabled(false);
 213                         replacePB->setEnabled(false);
 214                 }
 215         }
 216
 217         meaningsTV->setUpdatesEnabled(true);
 218         meaningsTV->update();
 219 }
 220
 221
 222 void GuiThesaurus::updateContents()
 223 {
 224         entryCO->clear();
 225         entryCO->addItem(toqstr(text_));
 226         entryCO->setCurrentIndex(0);
 227         replaceED->setText("");
 228         int const pos = languageCO->findData(toqstr(lang_));
 229         if (pos != -1)
 230                 languageCO->setCurrentIndex(pos);
 231         updateLists();
 232 }
 233
 234
 235 void GuiThesaurus::replaceClicked()
 236 {
 237         replace(qstring_to_ucs4(replaceED->text()));
 238 }
 239
 240
 241 bool GuiThesaurus::initialiseParams(string const & sdata)
 242 {
 243         string arg;
 244         string const lang = rsplit(sdata, arg, ' ');
 245         if (prefixIs(lang, "lang=")) {
 246                 lang_ = from_utf8(split(lang, '='));
 247                 text_ = from_utf8(arg);
 248         } else {
 249                 text_ = from_utf8(sdata);
 250                 if (bufferview())
 251                         lang_ = from_ascii(
 252                                 bufferview()->buffer().params().language->lang());
 253         }
 254         return true;
 255 }
 256
 257
 258 void GuiThesaurus::clearParams()
 259 {
 260         text_.erase();
 261         lang_.erase();
 262 }
 263
 264
 265 void GuiThesaurus::replace(docstring const & newstr)
 266 {
 267         /* FIXME: this is not suitable ! We need to have a "lock"
 268          * on a particular charpos in a paragraph that is broken on
 269          * deletion/change !
 270          */
 271         docstring const sdata =
 272                 replace2string(newstr, text_,
 273                                      true,  // case sensitive
 274                                      true,  // match word
 275                                      false, // all words
 276                                      true); // forward
 277         dispatch(FuncRequest(LFUN_WORD_REPLACE, sdata));
 278 }
 279
 280
 281 Thesaurus::Meanings const & GuiThesaurus::getMeanings(WordLangTuple const & wl)
 282 {
 283         if (wl.word() != laststr_)
 284                 meanings_ = thesaurus.lookup(wl);
 285         return meanings_;
 286 }
 287
 288
 289 Dialog * createGuiThesaurus(GuiView & lv) { return new GuiThesaurus(lv); }
 290
 291
 292 } // namespace frontend
 293 } // namespace lyx
 294
 295
 296 #include "moc_GuiThesaurus.cpp"