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