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
  22 // Created by Bartosz Szatkowski
  23
  24 #include "backbone.h"
  25 #include <QDebug>
  26
  27 void Backbone::init() {
  28    _interval = 250; //msec
  29
  30    if(!_configPath.size())
  31        _configPath = QDir::homePath() + "/.mdictionary";
  32
  33    loadPrefs();
  34
  35
  36    if(!_pluginPath.size())
  37        _pluginPath = "/usr/lib/mdictionary/";
  38
  39    loadPlugins();
  40    loadDicts();
  41
  42    connect(&_timerSearch, SIGNAL(timeout()), this, SLOT(translationReady()));
  43    connect(&_timerHtmlSearch, SIGNAL(timeout()), this,
  44            SLOT(htmlTranslationReady()));
  45
  46    _history = new History(5, this);
  47 }
  48
  49 Backbone::Backbone(QString pluginPath, QString configPath, QObject *parent)
  50     : QObject(parent)
  51 {
  52     _pluginPath = pluginPath;
  53     _configPath = configPath;
  54     init();
  55 }
  56
  57
  58
  59 Backbone::~Backbone()
  60 {
  61     QListIterator<CommonDictInterface*> it(_dicts.keys());
  62
  63     while(it.hasNext())
  64         delete it.next();
  65
  66     it = QListIterator<CommonDictInterface*>(_plugins);
  67     while(it.hasNext())
  68         delete it.next();
  69
  70     QHashIterator<QString, Translation*> it2(_result);
  71     while(it2.hasNext())
  72         delete it2.next().value();
  73
  74 }
  75
  76
  77
  78
  79 Backbone::Backbone(const Backbone &b) :QObject(b.parent()) {
  80    // init();
  81     _dicts = QHash<CommonDictInterface*, bool > (b._dicts);
  82     _plugins = QList<CommonDictInterface* > (b._plugins);
  83     _result = QHash<QString, Translation* > (b._result);
  84     _searchLimit = b.searchLimit();
  85 }
  86
  87
  88
  89
  90 int Backbone::searchLimit() const {
  91     return _searchLimit;
  92 }
  93
  94
  95
  96
  97 QHash<CommonDictInterface*, bool > Backbone::getDictionaries() {
  98     return _dicts;
  99 }
 100
 101
 102
 103
 104 QList<CommonDictInterface* > Backbone::getPlugins() {
 105     return _plugins;
 106 }
 107
 108
 109
 110
 111 History* Backbone::history() {
 112     return _history;
 113 }
 114
 115
 116
 117
 118 QMultiHash<QString, Translation*> Backbone::result() {
 119     return _result;
 120 }
 121
 122
 123
 124
 125 void Backbone::stopSearching() {
 126     _timerSearch.stop();
 127     _innerResult.clear();
 128     foreach(CommonDictInterface* dict, _dicts.keys())
 129         dict->stop();
 130 }
 131
 132
 133
 134
 135 void Backbone::search(QString word) {
 136     _timerSearch.stop();
 137     _result.clear();
 138     _innerResult.clear();
 139
 140     _timerSearch.start(_interval);
 141
 142     foreach(CommonDictInterface* dict, _dicts.keys())
 143         if(_dicts[dict] == 1) {
 144             QFuture<QList<Translation*> > tr =
 145                     QtConcurrent::run(dict,
 146                                   &CommonDictInterface::searchWordList,word,
 147                                                          searchLimit());
 148             _innerResult.append(tr);
 149         }
 150
 151 }
 152
 153
 154
 155
 156 void Backbone::selectedDictionaries(QList<CommonDictInterface* > activeDicts) {
 157     foreach(CommonDictInterface* dict, _dicts.keys())
 158         if(activeDicts.contains(dict))
 159             _dicts[dict] = 1;
 160         else
 161             _dicts[dict] = 0;
 162     dictUpdated();
 163  }
 164
 165
 166
 167 void Backbone::addDictionary(CommonDictInterface *dict, bool active) {
 168     addInternalDictionary(dict,active);
 169     dictUpdated();
 170 }
 171
 172
 173
 174  void Backbone::addInternalDictionary(CommonDictInterface* dict, bool active) {
 175      dict->setHash(_dicts.size()+1);
 176      _dicts[dict] = active;
 177      connect(dict, SIGNAL(settingsChanged()), this, SLOT(dictUpdated()));
 178  }
 179
 180  void Backbone::removeDictionary(CommonDictInterface *dict) {
 181      _dicts.remove(dict);
 182      dictUpdated();
 183
 184  }
 185
 186
 187
 188  void Backbone::quit() {
 189     stopSearching();
 190     Q_EMIT closeOk();
 191 }
 192
 193
 194
 195 int Backbone::activeSearches() const {
 196     return _innerResult.size();
 197 }
 198
 199
 200
 201 void Backbone::translationReady() {
 202     foreach(QFuture<QList<Translation*> > trans, _innerResult) {
 203         if(!trans.isFinished())
 204             continue;
 205         QList<Translation*> tList = trans.result();
 206         foreach(Translation* t, tList) {
 207             _result.insert(t->key().toLower(), t);
 208         }
 209         _innerResult.removeOne(trans);
 210     }
 211     if(!_innerResult.size()) {
 212         _timerSearch.stop();
 213         Q_EMIT ready();
 214     }
 215 }
 216
 217 QStringList Backbone::getFilesFromDir(QString dir, QStringList nameFilter) {
 218     QDir plug(QDir::toNativeSeparators(dir));
 219     if(!plug.exists()) {
 220         qDebug() << plug.absolutePath() << " folder dosen't exists";
 221         return QStringList();
 222     }
 223     plug.setFilter(QDir::Files);
 224     QStringList list = plug.entryList(nameFilter);
 225
 226     for(int i = 0; i < list.size(); i++)
 227         list[i] = plug.absoluteFilePath(list.at(i));
 228     return list;
 229 }
 230
 231
 232 void Backbone::loadPlugins() {
 233     QStringList nameFilter;
 234     nameFilter << "*.so";
 235     QStringList files = getFilesFromDir(_pluginPath, nameFilter);
 236
 237     foreach(QString file, files) {
 238         QPluginLoader loader(file);
 239         if(!loader.load()) {
 240             qDebug()<< file << " " << loader.errorString();
 241             continue;
 242         }
 243         QObject *pl = loader.instance();
 244
 245         CommonDictInterface *plugin = qobject_cast<CommonDictInterface*>(pl);
 246         _plugins.append(plugin);
 247        // addDictionary(plugin->getNew(0)); //TODO change 0 to real settings
 248         //Settings* set = new Settings();
 249         //set->setValue("path", "dict2.xdxf");
 250         //addDictionary(plugin->getNew(set));
 251     }
 252 }
 253
 254
 255
 256 CommonDictInterface* Backbone::plugin(QString type) {
 257     foreach(CommonDictInterface* plugin, _plugins)
 258         if(plugin->type() == type)
 259             return plugin;
 260     return 0;
 261 }
 262
 263
 264
 265 void Backbone::loadPrefs() {
 266     QDir confDir(_configPath);
 267     if(!confDir.exists())
 268         qDebug() << "Configuration file dosn't exists (" << _configPath << ")";
 269         return;
 270     QSettings set(_configPath + "/mdictionary.config", QSettings::IniFormat);
 271     _pluginPath = set.value("general/plugin_path", _pluginPath).toString();
 272     _historyLen = set.value("general/history_length", 10).toInt();
 273     _searchLimit = set.value("general/search_limit", 15).toInt();
 274 }
 275
 276
 277
 278 void Backbone::loadDicts() {
 279     QDir confDir(_configPath);
 280     if(!confDir.exists())
 281         qDebug() << confDir.mkpath(_configPath);
 282
 283     QSettings set(_configPath + "/mdictionary.config", QSettings::IniFormat);
 284     QStringList dicts = set.childGroups();
 285     foreach(QString dict, dicts) {
 286         if(!dict.contains("dictionary_"))
 287             continue;
 288         CommonDictInterface* plug = plugin
 289                                     (set.value(dict + "/type", "").toString());
 290         if(!plug) {
 291             qDebug() << "Config file error: "
 292                     << set.value(dict + "/type", "").toString()
 293                     << " dosen't exists";
 294             continue;
 295         }
 296         Settings* plugSet = new Settings();
 297         set.beginGroup(dict);
 298         QStringList items = set.childKeys();
 299         foreach(QString item, items)
 300             plugSet->setValue(item, set.value(item, "").toString());
 301         bool active = set.value("active",1).toBool();
 302         set.endGroup();
 303         addInternalDictionary(plug->getNew(plugSet), active);
 304     }
 305 }
 306
 307
 308
 309 void Backbone::dictUpdated() {
 310     QDir confDir(_configPath);
 311     if(!confDir.exists())
 312         qDebug() << confDir.mkpath(_configPath);
 313     QSettings set(_configPath + "/mdictionary.config", QSettings::IniFormat);
 314     foreach(CommonDictInterface* dict, _dicts.keys())
 315         saveState(&set, dict->settings(), _dicts[dict], dict->hash());
 316 }
 317
 318
 319
 320 void Backbone::saveState(QSettings* set, Settings* plugSet, bool active
 321                          , uint hash) {
 322     if(!set || !plugSet)
 323         return;
 324     QString section;
 325     section.append(QString("dictionary_%1").arg(hash));
 326     QList<QString> keys = plugSet->keys();
 327     foreach(QString key, keys)
 328         set->setValue(section + "/" + key, plugSet->value(key));
 329     set->setValue(section + "/active", active);
 330 }
 331
 332
 333
 334 QStringList Backbone::htmls() {
 335     return _htmlResult;
 336 }
 337
 338
 339
 340 void Backbone::searchHtml(QList<Translation *> translations) {
 341     _timerHtmlSearch.stop();
 342     _htmlResult.clear();
 343     _innerHtmlResult.clear();
 344     _timerHtmlSearch.start();
 345
 346     foreach(Translation* trans, translations)
 347         if(trans)
 348            _innerHtmlResult.append(
 349                    QtConcurrent::run(trans, &Translation::toHtml));
 350 }
 351
 352 void Backbone::htmlTranslationReady() {
 353     foreach(QFuture<QString> res, _innerHtmlResult) {
 354         if(!res.isFinished())
 355             continue;
 356         _htmlResult.append(res.result());
 357         _innerHtmlResult.removeOne(res);
 358     }
 359     if(!_innerHtmlResult.size()) {
 360         _timerHtmlSearch.stop();
 361         Q_EMIT htmlReady();
 362     }
 363
 364 }