git.maemo.org Git - mdictionary/blob - trunk/src/base/backbone/backbone.cpp

   1 /*******************************************************************************
   2
   3     This file is part of mDictionary.
   4
   5     mDictionary is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     mDictionary is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with mDictionary.  If not, see <http://www.gnu.org/licenses/>.
  17
  18     Copyright 2010 Comarch S.A.
  19
  20 *******************************************************************************/
  21 /*! /file backbone.cpp
  22 \brief Backbone/core main file \see Backbone
  23
  24
  25 \author Bartosz Szatkowski <bulislaw@linux.com>
  26 */
  27
  28 #include "backbone.h"
  29 #include <QDebug>
  30
  31 QString mappedSearch;
  32 QList<Translation*> mapSearch(CommonDictInterface *dict) {
  33     if(dict)
  34         return dict->searchWordList(mappedSearch, 15);
  35     return QList<Translation*>();
  36 }
  37
  38 class TranslationPtr {
  39     Translation* _tr;
  40 public:
  41     TranslationPtr(Translation* tr) :_tr(tr) {}
  42     QString toHtml() const {
  43         QString trans;
  44         trans = _tr->toHtml();
  45         return trans;
  46
  47     }
  48 };
  49
  50 void Backbone::init() {
  51    _interval = 250; //msec
  52
  53    if(!_configPath.size())
  54        _configPath = QDir::homePath() + "/.mdictionary/mdictionary.config";
  55    if(!_defaultConfigPath.size())
  56        _defaultConfigPath = QDir::homePath() + "/.mdictionary/mdictionary.defaults";
  57    if(!_pluginPath.size())
  58        _pluginPath = "/usr/lib/mdictionary";
  59    _historyLen = 10;
  60    _searchLimit = 15;
  61
  62    loadPrefs(_defaultConfigPath);
  63    _defaultPluginPath = _pluginPath;
  64    _defaultHistoryLen = _historyLen;
  65    _defaultSearchLimit = _searchLimit;
  66    loadPrefs(_configPath);
  67
  68    loadPlugins();
  69
  70    loadDicts(_defaultConfigPath, true);
  71    loadDicts(_configPath);
  72
  73    connect(&_timerSearch, SIGNAL(timeout()), this, SLOT(translationReady()));
  74    connect(&_timerHtmlSearch, SIGNAL(timeout()), this,
  75            SLOT(htmlTranslationReady()));
  76
  77    QThreadPool::globalInstance()->setMaxThreadCount(
  78            QThreadPool::globalInstance()->maxThreadCount()+1);
  79
  80    _history = new History(5, this);
  81 }
  82
  83 Backbone::Backbone(QString pluginPath, QString configPath, bool dry,
  84                    QObject *parent)
  85     : QObject(parent)
  86 {
  87     _pluginPath = pluginPath;
  88     _configPath = configPath;
  89     _defaultConfigPath = configPath;
  90     dryRun = false;
  91     if(dry)
  92         dryRun = true;
  93     init();
  94 }
  95
  96
  97
  98 Backbone::~Backbone()
  99 {
 100     QListIterator<CommonDictInterface*> it(_dicts.keys());
 101
 102     while(it.hasNext())
 103         delete it.next();
 104
 105     it = QListIterator<CommonDictInterface*>(_plugins);
 106     while(it.hasNext())
 107         delete it.next();
 108
 109     QHashIterator<QString, Translation*> it2(_result);
 110     while(it2.hasNext())
 111         delete it2.next().value();
 112
 113 }
 114
 115
 116
 117
 118 Backbone::Backbone(const Backbone &b) :QObject(b.parent()) {
 119    // init();
 120     _dicts = QHash<CommonDictInterface*, bool > (b._dicts);
 121     _plugins = QList<CommonDictInterface* > (b._plugins);
 122     _result = QHash<QString, Translation* > (b._result);
 123     _searchLimit = b.searchLimit();
 124 }
 125
 126
 127
 128
 129 int Backbone::searchLimit() const {
 130     return _searchLimit;
 131 }
 132
 133
 134
 135
 136 QHash<CommonDictInterface*, bool > Backbone::getDictionaries() {
 137     return _dicts;
 138 }
 139
 140
 141
 142
 143 QList<CommonDictInterface* > Backbone::getPlugins() {
 144     return _plugins;
 145 }
 146
 147
 148
 149
 150 History* Backbone::history() {
 151     return _history;
 152 }
 153
 154
 155
 156
 157 QMultiHash<QString, Translation*> Backbone::result() {
 158     return _result;
 159 }
 160
 161
 162
 163
 164 void Backbone::stopSearching() {
 165     _timerSearch.stop();
 166     _timerHtmlSearch.stop();
 167     foreach(CommonDictInterface* dict, _dicts.keys())
 168         dict->stop();
 169 }
 170
 171
 172
 173
 174
 175
 176 void Backbone::search(QString word) {
 177     _timerSearch.stop();
 178     _result.clear();
 179     mappedSearch = word.toLower();
 180
 181     _innerResult = QtConcurrent::mapped(activeDicts(), mapSearch);
 182     _timerSearch.start(_interval);
 183
 184
 185
 186     //foreach(CommonDictInterface* dict, _dicts.keys())
 187     //   if(_dicts[dict] == 1) {
 188     //        QFuture<QList<Translation*> > tr =
 189     //                QtConcurrent::run(dict,
 190     //                              &CommonDictInterface::searchWordList,word,
 191     //                                                     searchLimit());
 192     //        _innerResult.append(tr);
 193     //    }
 194
 195 }
 196
 197
 198
 199
 200 void Backbone::selectedDictionaries(QList<CommonDictInterface* > activeDicts) {
 201     foreach(CommonDictInterface* dict, _dicts.keys())
 202         if(activeDicts.contains(dict))
 203             _dicts[dict] = 1;
 204         else
 205             _dicts[dict] = 0;
 206     dictUpdated();
 207  }
 208
 209
 210
 211 void Backbone::addDictionary(CommonDictInterface *dict, bool active) {
 212     addInternalDictionary(dict,active);
 213     dictUpdated();
 214 }
 215
 216
 217
 218  void Backbone::addInternalDictionary(CommonDictInterface* dict, bool active) {
 219      dict->setHash(_dicts.size()+1);
 220      _dicts[dict] = active;
 221      connect(dict, SIGNAL(settingsChanged()), this, SLOT(dictUpdated()));
 222  }
 223
 224  void Backbone::removeDictionary(CommonDictInterface *dict) {
 225      _dicts.remove(dict);
 226      dictUpdated();
 227
 228  }
 229
 230
 231
 232  void Backbone::quit() {
 233     stopSearching();
 234     Q_EMIT closeOk();
 235 }
 236
 237
 238
 239
 240
 241
 242 void Backbone::translationReady() {
 243     if(!_innerResult.isFinished())
 244         return;
 245     QFutureIterator<QList<Translation*> > it(_innerResult);
 246     _timerSearch.stop();
 247
 248     while(it.hasNext()) {
 249         QList<Translation* > list = it.next();
 250         foreach(Translation* trans, list)
 251             _result.insert(trans->key().toLower(), trans);
 252     }
 253
 254     Q_EMIT ready();
 255 }
 256
 257 QStringList Backbone::getFilesFromDir(QString dir, QStringList nameFilter) {
 258     QDir plug(QDir::toNativeSeparators(dir));
 259     if(!plug.exists()) {
 260         qDebug() << plug.absolutePath() << " folder dosen't exists";
 261         return QStringList();
 262     }
 263     plug.setFilter(QDir::Files);
 264     QStringList list = plug.entryList(nameFilter);
 265
 266     for(int i = 0; i < list.size(); i++)
 267         list[i] = plug.absoluteFilePath(list.at(i));
 268     return list;
 269 }
 270
 271
 272 void Backbone::loadPlugins() {
 273     if(dryRun)
 274         return;
 275     QStringList nameFilter;
 276     nameFilter << "*.so";
 277     QStringList files = getFilesFromDir(_pluginPath, nameFilter);
 278
 279     foreach(QString file, files) {
 280         QPluginLoader loader(file);
 281         if(!loader.load()) {
 282             qDebug()<< file << " " << loader.errorString();
 283             continue;
 284         }
 285         QObject *pl = loader.instance();
 286
 287         CommonDictInterface *plugin = qobject_cast<CommonDictInterface*>(pl);
 288         _plugins.append(plugin);
 289     }
 290 }
 291
 292
 293
 294 CommonDictInterface* Backbone::plugin(QString type) {
 295     foreach(CommonDictInterface* plugin, _plugins)
 296         if(plugin->type() == type)
 297             return plugin;
 298     return 0;
 299 }
 300
 301
 302
 303 void Backbone::loadPrefs(QString fileName) {
 304     if(dryRun)
 305         return;
 306     QFileInfo file(QDir::toNativeSeparators(fileName));
 307     QDir confDir(file.dir());
 308     if(!confDir.exists()){
 309         qDebug() << "Configuration file dosn't exists ("
 310                 << file.filePath() << ")";
 311         return;
 312     }
 313     QSettings set(file.filePath(), QSettings::IniFormat);
 314     _pluginPath = set.value("general/plugin_path", _pluginPath).toString();
 315     _historyLen = set.value("general/history_length", 10).toInt();
 316     _searchLimit = set.value("general/search_limit", 15).toInt();
 317 }
 318
 319
 320
 321 void Backbone::savePrefs(QSettings *set) {
 322     if(dryRun)
 323         return;
 324     set->setValue("general/plugin_path", _pluginPath);
 325     set->setValue("general/history_length", _historyLen);
 326     set->setValue("general/search_limit", _searchLimit);
 327 }
 328
 329
 330
 331 void Backbone::saveDefaultPrefs(QSettings *set) {
 332     if(dryRun)
 333         return;
 334     set->setValue("general/plugin_path", _defaultPluginPath);
 335     set->setValue("general/history_length", _defaultHistoryLen);
 336     set->setValue("general/search_limit", _defaultSearchLimit);
 337 }
 338
 339
 340
 341 void Backbone::loadDicts(QString fileName, bool _default) {
 342     if(dryRun)
 343         return;
 344     QFileInfo file(QDir::toNativeSeparators(fileName));
 345     QDir confDir(file.dir());
 346     if(!confDir.exists()){
 347         qDebug() << "Configuration file dosn't exists ("
 348                 << file.filePath() << ")";
 349         return;
 350     }
 351
 352     QSettings set(file.filePath(), QSettings::IniFormat);
 353     QStringList dicts = set.childGroups();
 354     foreach(QString dict, dicts) {
 355         if(!dict.contains("dictionary_"))
 356             continue;
 357         CommonDictInterface* plug = plugin
 358                                     (set.value(dict + "/type", "").toString());
 359         if(!plug) {
 360             qDebug() << "Config file error: "
 361                     << set.value(dict + "/type", "").toString()
 362                     << " dosen't exists";
 363             continue;
 364         }
 365         Settings* plugSet = new Settings();
 366         set.beginGroup(dict);
 367         QStringList items = set.childKeys();
 368         foreach(QString item, items) {
 369             plugSet->setValue(item, set.value(item, "").toString());
 370         }
 371         bool active = set.value("active",1).toBool();
 372
 373         if(_default)
 374             plugSet->setValue("_default_", "true");
 375
 376         set.endGroup();
 377         addInternalDictionary(plug->getNew(plugSet), active);
 378     }
 379 }
 380
 381
 382
 383 void Backbone::dictUpdated() {
 384     if(dryRun)
 385         return;
 386     QFileInfo file(QDir::toNativeSeparators(_configPath));
 387     QDir confDir(file.dir());
 388     if(!confDir.exists())
 389         confDir.mkpath(file.dir().path());
 390     QSettings set(file.filePath(), QSettings::IniFormat);
 391     set.clear();
 392
 393     QFileInfo defFile(QDir::toNativeSeparators(_defaultConfigPath));
 394     QDir defConfDir(defFile.dir());
 395     if(!defConfDir.exists())
 396         defConfDir.mkpath(defFile.dir().path());
 397     QSettings defSet(defFile.filePath(), QSettings::IniFormat);
 398     defSet.clear();
 399     savePrefs(&set);
 400     saveDefaultPrefs(&defSet);
 401
 402     foreach(CommonDictInterface* dict, _dicts.keys()){
 403         if(!dict || !dict->settings())
 404             continue;
 405         if(!dict->settings()->keys().contains("_default_"))
 406             saveState(&set, dict->settings(), _dicts[dict], dict->hash());
 407         else
 408             saveState(&defSet, dict->settings(), _dicts[dict], dict->hash());
 409     }
 410 }
 411
 412
 413
 414 void Backbone::saveState(QSettings* set, Settings* plugSet, bool active
 415                          , uint hash) {
 416     if(dryRun)
 417         return;
 418     if(!set || !plugSet)
 419         return;
 420     QString section;
 421     section.append(QString("dictionary_%1").arg(hash));
 422     QList<QString> keys = plugSet->keys();
 423     foreach(QString key, keys)
 424         set->setValue(section + "/" + key, plugSet->value(key));
 425     set->setValue(section + "/active", active);
 426 }
 427
 428
 429
 430 QStringList Backbone::htmls() {
 431     return _htmlResult;
 432 }
 433
 434
 435
 436 void Backbone::searchHtml(QList<Translation *> translations) {
 437     _timerHtmlSearch.stop();
 438     _htmlResult.clear();
 439     QList<TranslationPtr> dummy;
 440     foreach(Translation* tr, translations)
 441         dummy.append(TranslationPtr(tr));
 442     _timerHtmlSearch.start(_interval);
 443
 444    _innerHtmlResult = QtConcurrent::mapped(dummy,
 445                                             &TranslationPtr::toHtml);
 446 }
 447
 448 void Backbone::htmlTranslationReady() {
 449     if(!_innerHtmlResult.isFinished())
 450         return;
 451
 452    _timerHtmlSearch.stop();
 453    QFutureIterator<QString> it(_innerHtmlResult);
 454    while(it.hasNext())
 455        _htmlResult.append(it.next());
 456
 457     Q_EMIT htmlReady();
 458
 459 }
 460
 461
 462 QList<CommonDictInterface*> Backbone::activeDicts() {
 463     QList<CommonDictInterface*>res;
 464     foreach(CommonDictInterface* dict, _dicts.keys())
 465         if(_dicts[dict])
 466             res.append(dict);
 467     return res;
 468
 469 }