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