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