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         // "hominid (generic term)" -> "hominid"
 110         QRegExp re("^([^\\(\\)]+)\\b\\(?.*\\)?.*$");
 111         // This is for items with classifications at the beginning:
 112         // "(noun) man" -> "man"; "(noun) male (generic term)" -> "male"
 113         QRegExp rex("^(\\(.+\\))\\s*([^\\(\\)]+)\\s*\\(?.*\\)?.*$");
 114         int pos = re.indexIn(item);
 115         if (pos > -1)
 116                 item = re.cap(1).trimmed();
 117         pos = rex.indexIn(item);
 118         if (pos > -1)
 119                 item = rex.cap(2).trimmed();
 120         replaceED->setText(item);
 121         replacePB->setEnabled(true);
 122         changed();
 123 }
 124
 125
 126 void GuiThesaurus::itemClicked(QTreeWidgetItem * /*item*/, int /*col*/)
 127 {
 128         selectionChanged();
 129 }
 130
 131
 132 void GuiThesaurus::selectionClicked(QTreeWidgetItem * item, int col)
 133 {
 134         QString str = item->text(col);
 135         // cut out the classification in brackets:
 136         // "hominid (generic term)" -> "hominid"
 137         QRegExp re("^([^\\(\\)]+)\\b\\(?.*\\)?.*$");
 138         // This is for items with classifications at the beginning:
 139         // "(noun) man" -> "man"; "(noun) male (generic term)" -> "male"
 140         QRegExp rex("^(\\(.+\\))\\s*([^\\(\\)]+)\\s*\\(?.*\\)?.*$");
 141         int pos = re.indexIn(str);
 142         if (pos > -1)
 143                 str = re.cap(1).trimmed();
 144         pos = rex.indexIn(str);
 145         if (pos > -1)
 146                 str = rex.cap(2).trimmed();
 147         entryCO->insertItem(0, str);
 148         entryCO->setCurrentIndex(0);
 149
 150         selectionChanged();
 151         updateLists();
 152 }
 153
 154
 155 void GuiThesaurus::updateLists()
 156 {
 157         meaningsTV->clear();
 158         meaningsTV->setUpdatesEnabled(false);
 159
 160         QString const lang = languageCO->itemData(
 161                 languageCO->currentIndex()).toString();
 162         docstring const lang_code =
 163                 from_ascii(lyx::languages.getLanguage(fromqstr(lang))->code());
 164
 165         Thesaurus::Meanings meanings =
 166                 getMeanings(qstring_to_ucs4(entryCO->currentText()), lang_code);
 167
 168         for (Thesaurus::Meanings::const_iterator cit = meanings.begin();
 169                 cit != meanings.end(); ++cit) {
 170                 QTreeWidgetItem * i = new QTreeWidgetItem(meaningsTV);
 171                 i->setText(0, toqstr(cit->first));
 172                 meaningsTV->expandItem(i);
 173                 for (vector<docstring>::const_iterator cit2 = cit->second.begin();
 174                         cit2 != cit->second.end(); ++cit2) {
 175                                 QTreeWidgetItem * i2 = new QTreeWidgetItem(i);
 176                                 i2->setText(0, toqstr(*cit2));
 177                         }
 178                 meaningsTV->setEnabled(true);
 179                 lookupPB->setEnabled(true);
 180                 replaceED->setEnabled(true);
 181                 replacePB->setEnabled(true);
 182         }
 183
 184         if (meanings.empty()) {
 185                 if (!thesaurus.thesaurusAvailable(lang_code)) {
 186                         QTreeWidgetItem * i = new QTreeWidgetItem(meaningsTV);
 187                         i->setText(0, qt_("No thesaurus available for this language!"));
 188                         meaningsTV->setEnabled(false);
 189                         lookupPB->setEnabled(false);
 190                         replaceED->setEnabled(false);
 191                         replacePB->setEnabled(false);
 192                 }
 193         }
 194
 195         meaningsTV->setUpdatesEnabled(true);
 196         meaningsTV->update();
 197 }
 198
 199
 200 void GuiThesaurus::updateContents()
 201 {
 202         entryCO->clear();
 203         entryCO->addItem(toqstr(text_));
 204         entryCO->setCurrentIndex(0);
 205         replaceED->setText("");
 206         int const pos = languageCO->findData(toqstr(lang_));
 207         if (pos != -1)
 208                 languageCO->setCurrentIndex(pos);
 209         updateLists();
 210 }
 211
 212
 213 void GuiThesaurus::replaceClicked()
 214 {
 215         replace(qstring_to_ucs4(replaceED->text()));
 216 }
 217
 218
 219 bool GuiThesaurus::initialiseParams(string const & data)
 220 {
 221         string arg;
 222         string const lang = rsplit(data, arg, ' ');
 223         if (prefixIs(lang, "lang=")) {
 224                 lang_ = from_utf8(split(lang, '='));
 225                 text_ = from_utf8(arg);
 226         } else {
 227                 text_ = from_utf8(data);
 228                 if (bufferview())
 229                         lang_ = from_ascii(
 230                                 bufferview()->buffer().params().language->lang());
 231         }
 232         return true;
 233 }
 234
 235
 236 void GuiThesaurus::clearParams()
 237 {
 238         text_.erase();
 239         lang_.erase();
 240 }
 241
 242
 243 void GuiThesaurus::replace(docstring const & newstr)
 244 {
 245         /* FIXME: this is not suitable ! We need to have a "lock"
 246          * on a particular charpos in a paragraph that is broken on
 247          * deletion/change !
 248          */
 249         docstring const data =
 250                 replace2string(newstr, text_,
 251                                      true,  // case sensitive
 252                                      true,  // match word
 253                                      false, // all words
 254                                      true); // forward
 255         dispatch(FuncRequest(LFUN_WORD_REPLACE, data));
 256 }
 257
 258
 259 Thesaurus::Meanings const & GuiThesaurus::getMeanings(docstring const & str,
 260         docstring const & lang)
 261 {
 262         if (str != laststr_)
 263                 meanings_ = thesaurus.lookup(str, lang);
 264         return meanings_;
 265 }
 266
 267
 268 Dialog * createGuiThesaurus(GuiView & lv) { return new GuiThesaurus(lv); }
 269
 270
 271 } // namespace frontend
 272 } // namespace lyx
 273
 274
 275 #include "moc_GuiThesaurus.cpp"