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