vcs.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
  47    _history = new History(this);
  48 }
  49
  50 Backbone::Backbone(QString pluginPath, QString configPath, QObject *parent)
  51     : QObject(parent)
  52 {
  53     _pluginPath = pluginPath;
  54     _configPath = configPath;
  55     init();
  56 }
  57
  58
  59
  60 Backbone::~Backbone()
  61 {
  62     QListIterator<CommonDictInterface*> it(_dicts.keys());
  63
  64     while(it.hasNext())
  65         delete it.next();
  66
  67     it = QListIterator<CommonDictInterface*>(_plugins);
  68     while(it.hasNext())
  69         delete it.next();
  70
  71     QHashIterator<QString, Translation*> it2(_result);
  72     while(it2.hasNext())
  73         delete it2.next().value();
  74
  75 }
  76
  77
  78
  79
  80 Backbone::Backbone(const Backbone &b) :QObject(b.parent()) {
  81    // init();
  82     _dicts = QHash<CommonDictInterface*, bool > (b._dicts);
  83     _plugins = QList<CommonDictInterface* > (b._plugins);
  84     _result = QHash<QString, Translation* > (b._result);
  85     _searchLimit = b.searchLimit();
  86 }
  87
  88
  89
  90
  91 int Backbone::searchLimit() const {
  92     return _searchLimit;
  93 }
  94
  95
  96
  97
  98 QHash<CommonDictInterface*, bool > Backbone::getDictionaries() {
  99     return _dicts;
 100 }
 101
 102
 103
 104
 105 QList<CommonDictInterface* > Backbone::getPlugins() {
 106     return _plugins;
 107 }
 108
 109
 110
 111
 112 History* Backbone::history() {
 113     return _history;
 114 }
 115
 116
 117
 118
 119 QMultiHash<QString, Translation*> Backbone::result() {
 120     return _result;
 121 }
 122
 123
 124
 125
 126 void Backbone::stopSearching() {
 127     _timerSearch.stop();
 128     _innerResult.clear();
 129     foreach(CommonDictInterface* dict, _dicts.keys())
 130         dict->stop();
 131 }
 132
 133
 134
 135
 136 void Backbone::search(QString word) {
 137     _timerSearch.stop();
 138     _result.clear();
 139     _innerResult.clear();
 140
 141     _timerSearch.start(_interval);
 142
 143     foreach(CommonDictInterface* dict, _dicts.keys())
 144         if(_dicts[dict] == 1) {
 145             QFuture<QList<Translation*> > tr =
 146                     QtConcurrent::run(dict,
 147                                   &CommonDictInterface::searchWordList,word,
 148                                                          searchLimit());
 149             _innerResult.append(tr);
 150         }
 151
 152 }
 153
 154
 155
 156
 157 void Backbone::selectedDictionaries(QList<CommonDictInterface* > activeDicts) {
 158     foreach(CommonDictInterface* dict, _dicts.keys())
 159         if(activeDicts.contains(dict))
 160             _dicts[dict] = 1;
 161         else
 162             _dicts[dict] = 0;
 163     dictUpdated();
 164  }
 165
 166
 167
 168 void Backbone::addDictionary(CommonDictInterface *dict, bool active) {
 169     addInternalDictionary(dict,active);
 170     dictUpdated();
 171 }
 172
 173
 174
 175  void Backbone::addInternalDictionary(CommonDictInterface* dict, bool active) {
 176      dict->setHash(_dicts.size()+1);
 177      _dicts[dict] = active;
 178      connect(dict, SIGNAL(settingsChanged()), this, SLOT(dictUpdated()));
 179  }
 180
 181  void Backbone::removeDictionary(CommonDictInterface *dict) {
 182      _dicts.remove(dict);
 183      dictUpdated();
 184
 185  }
 186
 187
 188
 189  void Backbone::quit() {
 190     stopSearching();
 191     Q_EMIT closeOk();
 192 }
 193
 194
 195
 196 int Backbone::activeSearches() const {
 197     return _innerResult.size();
 198 }
 199
 200
 201
 202 void Backbone::translationReady() {
 203     foreach(QFuture<QList<Translation*> > trans, _innerResult) {
 204         if(!trans.isFinished())
 205             continue;
 206         QList<Translation*> tList = trans.result();
 207         foreach(Translation* t, tList) {
 208             _result.insert(t->key().toLower(), t);
 209         }
 210         _innerResult.removeOne(trans);
 211     }
 212     if(!_innerResult.size()) {
 213         _timerSearch.stop();
 214         Q_EMIT ready();
 215     }
 216 }
 217
 218 QStringList Backbone::getFilesFromDir(QString dir, QStringList nameFilter) {
 219     QDir plug(QDir::toNativeSeparators(dir));
 220     if(!plug.exists()) {
 221         qDebug() << plug.absolutePath() << " folder dosen't exists";
 222         return QStringList();
 223     }
 224     plug.setFilter(QDir::Files);
 225     QStringList list = plug.entryList(nameFilter);
 226
 227     for(int i = 0; i < list.size(); i++)
 228         list[i] = plug.absoluteFilePath(list.at(i));
 229     return list;
 230 }
 231
 232
 233 void Backbone::loadPlugins() {
 234     QStringList nameFilter;
 235     nameFilter << "*.so";
 236     QStringList files = getFilesFromDir(_pluginPath, nameFilter);
 237
 238     foreach(QString file, files) {
 239         QPluginLoader loader(file);
 240         if(!loader.load()) {
 241             qDebug()<< file << " " << loader.errorString();
 242             continue;
 243         }
 244         QObject *pl = loader.instance();
 245
 246         CommonDictInterface *plugin = qobject_cast<CommonDictInterface*>(pl);
 247         _plugins.append(plugin);
 248        // addDictionary(plugin->getNew(0)); //TODO change 0 to real settings
 249         //Settings* set = new Settings();
 250         //set->setValue("path", "dict2.xdxf");
 251         //addDictionary(plugin->getNew(set));
 252     }
 253 }
 254
 255
 256
 257 CommonDictInterface* Backbone::plugin(QString type) {
 258     foreach(CommonDictInterface* plugin, _plugins)
 259         if(plugin->type() == type)
 260             return plugin;
 261     return 0;
 262 }
 263
 264
 265
 266 void Backbone::loadPrefs() {
 267     QDir confDir(_configPath);
 268     if(!confDir.exists())
 269         qDebug() << "Configuration file dosn't exists (" << _configPath << ")";
 270         return;
 271     QSettings set(_configPath + "/mdictionary.config", QSettings::IniFormat);
 272     _pluginPath = set.value("general/plugin_path", _pluginPath).toString();
 273     _historyLen = set.value("general/history_length", 10).toInt();
 274     _searchLimit = set.value("general/search_limit", 15).toInt();
 275 }
 276
 277
 278
 279 void Backbone::loadDicts() {
 280     QDir confDir(_configPath);
 281     if(!confDir.exists())
 282         qDebug() << confDir.mkpath(_configPath);
 283
 284     QSettings set(_configPath + "/mdictionary.config", QSettings::IniFormat);
 285     QStringList dicts = set.childGroups();
 286     foreach(QString dict, dicts) {
 287         if(!dict.contains("dictionary_"))
 288             continue;
 289         CommonDictInterface* plug = plugin
 290                                     (set.value(dict + "/type", "").toString());
 291         if(!plug) {
 292             qDebug() << "Config file error: "
 293                     << set.value(dict + "/type", "").toString()
 294                     << " dosen't exists";
 295             continue;
 296         }
 297         Settings* plugSet = new Settings();
 298         set.beginGroup(dict);
 299         QStringList items = set.childKeys();
 300         foreach(QString item, items)
 301             plugSet->setValue(item, set.value(item, "").toString());
 302         bool active = set.value("active",1).toBool();
 303         set.endGroup();
 304         addInternalDictionary(plug->getNew(plugSet), active);
 305     }
 306 }
 307
 308
 309
 310 void Backbone::dictUpdated() {
 311     QDir confDir(_configPath);
 312     if(!confDir.exists())
 313         qDebug() << confDir.mkpath(_configPath);
 314     QSettings set(_configPath + "/mdictionary.config", QSettings::IniFormat);
 315     foreach(CommonDictInterface* dict, _dicts.keys())
 316         saveState(&set, dict->settings(), _dicts[dict], dict->hash());
 317 }
 318
 319
 320
 321 void Backbone::saveState(QSettings* set, Settings* plugSet, bool active
 322                          , uint hash) {
 323     if(!set || !plugSet)
 324         return;
 325     QString section;
 326     section.append(QString("dictionary_%1").arg(hash));
 327     QList<QString> keys = plugSet->keys();
 328     foreach(QString key, keys)
 329         set->setValue(section + "/" + key, plugSet->value(key));
 330     set->setValue(section + "/active", active);
 331 }
 332
 333
 334
 335 QStringList Backbone::htmls() {
 336     return _htmlResult;
 337 }
 338
 339
 340
 341 void Backbone::searchHtml(QList<Translation *> translations) {
 342     _timerHtmlSearch.stop();
 343     _htmlResult.clear();
 344     _innerHtmlResult.clear();
 345     _timerHtmlSearch.start();
 346
 347     foreach(Translation* trans, translations)
 348         if(trans)
 349            _innerHtmlResult.append(
 350                    QtConcurrent::run(trans, &Translation::toHtml));
 351 }
 352
 353 void Backbone::htmlTranslationReady() {
 354     foreach(QFuture<QString> res, _innerHtmlResult) {
 355         if(!res.isFinished())
 356             continue;
 357         _htmlResult.append(res.result());
 358         _innerHtmlResult.removeOne(res);
 359     }
 360     if(!_innerHtmlResult.size()) {
 361         _timerHtmlSearch.stop();
 362         Q_EMIT htmlReady();
 363     }
 364
 365 }