vcs.maemo.org Git - mdictionary/blob - src/mdictionary/gui/TranslationWidget.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 //! \file TranslationWidget.cpp
  23 //! \author Mateusz Półrola <mateusz.polrola@comarch.pl>
  24
  25 #include "TranslationWidget.h"
  26 #include <QDebug>
  27 #ifdef Q_WS_MAEMO_5
  28     #include <QtGui/QX11Info>
  29     #include <X11/Xlib.h>
  30     #include <X11/Xatom.h>
  31 #endif
  32 #include <QWebFrame>
  33
  34 TranslationWidget::TranslationWidget(QWidget *parent):
  35         QScrollArea(parent){
  36
  37     guiinterface = qobject_cast<GUIInterface*>(parent);
  38
  39     #ifdef Q_WS_MAEMO_5
  40         setAttribute(Qt::WA_Maemo5StackedWindow);
  41         setWindowFlags(windowFlags() | Qt::Window);
  42     #endif
  43
  44     initializeUI();
  45
  46     setWindowTitle("mDictionary");
  47
  48     connect(webkit, SIGNAL(search()),
  49            this, SLOT(searchSelected()));
  50
  51     QFile file(":/xsl/xsl.xsl");
  52     if(!file.open(QFile::ReadOnly))
  53         qDebug()<<"error can't open a xslt file";
  54     else
  55         xslt=file.readAll();
  56 }
  57
  58
  59 void TranslationWidget::show() {
  60     QScrollArea::show();
  61 }
  62
  63
  64 void TranslationWidget::show(QStringList translations) {
  65     showMaximized();
  66
  67     #ifdef Q_WS_MAEMO_5
  68         if(!buttonsInitialized)
  69             initButtons();
  70     #endif
  71
  72     QString trans= createTranslation(translations);
  73
  74     QString head = "<html><head>";
  75     head += "<link rel=\"stylesheet\" type=\"text/css\" "
  76             "href=\"/usr/share/mdictionary/css/" "style.css"
  77             "\" /></head><body ondragstart=\"return false\">";
  78     trans = head + trans + "</body></html>";
  79
  80     trans.replace("$STAR$", "/usr/share/mdictionary/staron.png");
  81
  82     webkit->setHtml(trans, QUrl().fromLocalFile("/"));
  83 }
  84
  85
  86 QString TranslationWidget::createTranslation(QStringList translations) {
  87     QString trans;
  88     if(!translations.size())
  89         return QString("Empty translation");
  90     int element=-1;
  91     do{
  92         int a=0;
  93         foreach(QString t, translations){
  94             if(a!=element)
  95                 trans += t + "\n";
  96             a++;
  97         }
  98         trans=QString("<?xml version=\"1.0\" encoding=\"UTF-8\"?>") + QString("\n <ar>")
  99                + trans + QString("\n </ar>");
 100
 101         trans=checkTranslation(trans);
 102         trans=XslConversion(trans);
 103         element++;
 104         if(element>translations.size())
 105             return QString("Empty translation");
 106     } while(trans==""); // trans=="" only when XslConversation have a error;
 107     return trans;
 108 }
 109
 110
 111 QString TranslationWidget::XslConversion(QString translation)
 112 {
 113     QXmlQuery myQuery(QXmlQuery::XSLT20);
 114     myQuery.setFocus(translation);
 115     myQuery.setQuery(xslt);
 116     QString result("");
 117     myQuery.evaluateTo(&result);
 118     return result;
 119 }
 120
 121
 122 QString TranslationWidget::checkTranslation(QString trans){
 123     /*check all "&"*/
 124     int pos=0;
 125     int pos2;
 126     int count=0;
 127
 128     /*check "<" and ">" in key */
 129     while(pos!=-1){
 130         pos=trans.indexOf("&",pos+1);
 131         pos2=trans.indexOf("amp;",pos);
 132         if(pos!=-1 && pos2!=-1 && pos+1==pos2)
 133             continue;
 134         pos2=trans.indexOf("gt;",pos);
 135         if(pos!=-1 && pos2!=-1 && pos+1==pos2)
 136             continue;
 137         pos2=trans.indexOf("lt;",pos);
 138         if(pos!=-1 && pos2!=-1 && pos+1==pos2)
 139             continue;
 140         pos2=trans.indexOf("apos;",pos);
 141         if(pos!=-1 && pos2!=-1 && pos+1==pos2)
 142             continue;
 143         pos2=trans.indexOf("quot;",pos);
 144         if(pos!=-1 && pos2!=-1 && pos+1==pos2)
 145             continue;
 146         if(pos!=-1)
 147             trans.insert(pos+1,"amp;");
 148     }
 149
 150     /*check "<" and ">" in key */
 151     pos=0;
 152     count=0;
 153     while(pos<trans.size()){
 154         if(pos==trans.indexOf("<key>",pos)){
 155             count++;
 156             pos+=4;
 157         }
 158         else if(pos==trans.indexOf("</key>",pos))
 159             count--;
 160         else if(count==1 && (trans.at(pos)=='<' ||  trans.at(pos)=='>' ))
 161             trans.remove(pos,1);
 162         pos++;
 163     }
 164
 165     /*checking unclosed tag's*/
 166     pos=0;
 167     count=0;
 168     while(pos<trans.size()){
 169         if(trans.at(pos)=='<')
 170             count++;
 171         else if(trans.at(pos)=='>')
 172             count--;
 173         if(count==-1){     // remove ">"
 174             trans.remove(pos,1);
 175             count=0;
 176         }
 177         pos++;
 178     }
 179     pos=trans.size()-1;
 180     count=0;
 181     while(pos>-1){
 182         if(trans.at(pos)=='>')
 183             count++;
 184         else if(trans.at(pos)=='<')
 185             count--;
 186         if(count==-1){     // remove "<"
 187             trans.remove(pos,1);
 188             count=0;
 189         }
 190         pos--;
 191     }
 192
 193     /*check """ and "'" */
 194     pos=0;
 195     count=0;
 196     while(pos<trans.size()){
 197         if(trans.at(pos)=='<')
 198             count++;
 199         else if(trans.at(pos)=='>')
 200             count--;
 201         else if(trans.at(pos)=='\"' && count==0)
 202             trans.replace(pos,1,"&quot;");
 203         else if(trans.at(pos)=='\'' && count==0)
 204             trans.replace(pos,1,"&apos;");
 205         pos++;
 206     }
 207     return trans;
 208 }
 209
 210
 211 #ifdef Q_WS_MAEMO_5
 212 void TranslationWidget::initButtons() {
 213         int x = width() - showButtonsButton->sizeHint().width();
 214         int y = height() - showButtonsButton->sizeHint().height();
 215
 216         showButtonsButton->move(QPoint(x,y));
 217         showButtonsButton->show();
 218
 219         x = width() - zoomOutButton->sizeHint().width();
 220         y = height() - 2*zoomOutButton->sizeHint().height();
 221         zoomOutButton->move(QPoint(x, height()));
 222
 223         zoomOutButtonAnimation = new QPropertyAnimation(zoomOutButton,
 224                                                         "pos", this);
 225         zoomOutButtonAnimation->setStartValue(QPoint(x, height()));
 226         zoomOutButtonAnimation->setEndValue(QPoint(x,y));
 227         zoomOutButtonAnimation->setDuration(200);
 228         zoomOutButtonAnimation->setEasingCurve(QEasingCurve::InOutBack);
 229
 230         x = width() - zoomInButton->sizeHint().width();
 231         y = height() - 3*zoomInButton->sizeHint().height();
 232         zoomInButton->move(QPoint(x, height()));
 233
 234         zoomInButtonAnimation = new QPropertyAnimation(zoomInButton,
 235                                                       "pos", this);
 236         zoomInButtonAnimation->setStartValue(QPoint(x, height()));
 237         zoomInButtonAnimation->setEndValue(QPoint(x,y));
 238         zoomInButtonAnimation->setDuration(400);
 239         zoomInButtonAnimation->setEasingCurve(QEasingCurve::InOutBack);
 240
 241         x = 0;
 242         y = height() - copyButton->sizeHint().height();
 243
 244         copyButton->move(QPoint(x, height()));
 245         copyButtonAnimation = new QPropertyAnimation(copyButton, "pos", this);
 246         copyButtonAnimation->setStartValue(QPoint(x, height()));
 247         copyButtonAnimation->setEndValue(QPoint(x,y));
 248         copyButtonAnimation->setDuration(200);
 249         copyButtonAnimation->setEasingCurve(QEasingCurve::InOutBack);
 250
 251         x = 0;
 252         y = height() - 2*copyButton->sizeHint().height();
 253
 254         selectAllButton->move(QPoint(x, height()));
 255         selectAllButtonAnimation = new QPropertyAnimation(selectAllButton,
 256                                                          "pos", this);
 257         selectAllButtonAnimation->setStartValue(QPoint(x, height()));
 258         selectAllButtonAnimation->setEndValue(QPoint(x,y));
 259         selectAllButtonAnimation->setDuration(400);
 260         selectAllButtonAnimation->setEasingCurve(QEasingCurve::InOutBack);
 261
 262         x = 0;
 263         y = height() - 3*copyButton->sizeHint().height();
 264
 265         searchButton->move(QPoint(x, height()));
 266         searchButtonAnimation = new QPropertyAnimation(searchButton,
 267                                                       "pos", this);
 268         searchButtonAnimation->setStartValue(QPoint(x, height()));
 269         searchButtonAnimation->setEndValue(QPoint(x,y));
 270         searchButtonAnimation->setDuration(600);
 271         searchButtonAnimation->setEasingCurve(QEasingCurve::InOutBack);
 272
 273         buttonsAnimation = new QParallelAnimationGroup(this);
 274         buttonsAnimation->addAnimation(zoomInButtonAnimation);
 275         buttonsAnimation->addAnimation(zoomOutButtonAnimation);
 276         buttonsAnimation->addAnimation(selectAllButtonAnimation);
 277         buttonsAnimation->addAnimation(copyButtonAnimation);
 278         buttonsAnimation->addAnimation(searchButtonAnimation);
 279         buttonsInitialized = true;
 280         buttonsVisible = false;
 281
 282         connect(showButtonsButton, SIGNAL(clicked()),
 283                 this, SLOT(showButtons()));
 284 }
 285 #endif
 286
 287 void TranslationWidget::initializeUI() {
 288     webkit = new TranslationView(this);
 289     Settings* set = guiinterface->settings();
 290     qreal fac = set->value("zoom").toFloat();
 291     if(!fac)
 292         fac++;
 293     webkit->setZoomFactor(fac);
 294     delete set;
 295
 296     QWidget*w = new QWidget(this);
 297     verticalLayout = new QVBoxLayout(w);
 298     verticalLayout->addWidget(webkit);
 299
 300     this->setWidget(w);
 301     this->setWidgetResizable(true);
 302
 303     #ifdef Q_WS_MAEMO_5
 304         zoomInButton = new QToolButton(this);
 305         zoomInButton->setIcon(QIcon::fromTheme("pdf_zoomin"));
 306         zoomInButton->setMinimumSize(zoomInButton->sizeHint());
 307
 308         zoomOutButton = new QToolButton(this);
 309         zoomOutButton->setIcon(QIcon::fromTheme("pdf_zoomout"));
 310         zoomOutButton->setMinimumSize(zoomOutButton->sizeHint());
 311
 312         selectAllButton = new QToolButton(this);
 313         selectAllButton->setIcon(QIcon(":/icons/48x48/edit-select-all.png"));
 314         selectAllButton->setMinimumSize(selectAllButton->sizeHint());
 315
 316         copyButton = new QToolButton(this);
 317         copyButton->setIcon(QIcon::fromTheme("general_notes"));
 318         copyButton->setMinimumSize(copyButton->sizeHint());
 319
 320         searchButton = new QToolButton(this);
 321         searchButton->setIcon(QIcon::fromTheme("general_search"));
 322         searchButton->setMinimumSize(searchButton->sizeHint());
 323
 324         showButtonsButton = new QToolButton(this);
 325         showButtonsButton->setIcon(QIcon::fromTheme("general_sent"));
 326         showButtonsButton->setMinimumSize(searchButton->sizeHint());
 327
 328         connect(zoomInButton, SIGNAL(clicked()),
 329                 webkit, SLOT(zoomIn()));
 330
 331         connect(zoomOutButton, SIGNAL(clicked()),
 332                 webkit, SLOT(zoomOut()));
 333
 334
 335         connect(searchButton, SIGNAL(clicked()),
 336                 this, SLOT(searchSelected()));
 337
 338         connect(copyButton, SIGNAL(clicked()),
 339                 this, SLOT(copySelected()));
 340
 341         connect(selectAllButton, SIGNAL(clicked()),
 342                 webkit, SLOT(selectAll()));
 343
 344         buttonsInitialized = false;
 345
 346
 347
 348         grabZoomKeys(true);
 349     #endif
 350 }
 351
 352 void TranslationWidget::searchSelected() {
 353     if(webkit->selectedText().isEmpty()) {
 354         Q_EMIT notify(Notify::Warning, tr("No text is selected"));
 355     }
 356     else {
 357         #ifdef Q_WS_MAEMO_5
 358             hide();
 359         #endif
 360         Q_EMIT search(webkit->selectedText().toLower());
 361     }
 362 }
 363
 364 void TranslationWidget::copySelected() {
 365     if(webkit->selectedText().isEmpty()) {
 366         Q_EMIT notify(Notify::Warning, tr("No text is selected"));
 367     }
 368     else {
 369         Q_EMIT notify(Notify::Info, tr("Copyied selected text"));
 370     }
 371 }
 372
 373 #ifdef Q_WS_MAEMO_5
 374 void TranslationWidget::showButtons() {
 375     if(!buttonsVisible) {
 376         buttonsAnimation->setDirection(QAbstractAnimation::Forward);
 377         buttonsAnimation->start();
 378         buttonsVisible = true;
 379
 380         showButtonsButton->setIcon(QIcon::fromTheme("general_received"));
 381     }
 382     else if(buttonsVisible) {
 383         buttonsAnimation->setDirection(QAbstractAnimation::Backward);
 384         buttonsAnimation->start();
 385         buttonsVisible = false;
 386         showButtonsButton->setIcon(QIcon::fromTheme("general_sent"));
 387     }
 388 }
 389
 390 void TranslationWidget::grabZoomKeys(bool grab) {
 391      if (!winId()) {
 392          return;
 393      }
 394
 395     unsigned long val = (grab) ? 1 : 0;
 396     Atom atom = XInternAtom(QX11Info::display(),
 397                             "_HILDON_ZOOM_KEY_ATOM", False);
 398     if (!atom) {
 399         return;
 400     }
 401
 402     XChangeProperty (QX11Info::display(),
 403          winId(),
 404          atom,
 405          XA_INTEGER,
 406          32,
 407          PropModeReplace,
 408          reinterpret_cast<unsigned char *>(&val),
 409          1);
 410 }
 411
 412 void TranslationWidget::hideEvent(QHideEvent* e) {
 413     if(buttonsVisible)
 414         showButtons();
 415
 416     QScrollArea::hideEvent(e);
 417 }
 418
 419 void TranslationWidget::keyPressEvent(QKeyEvent* event) {
 420     switch (event->key()) {
 421         case Qt::Key_F7:
 422         webkit->zoomIn();
 423         event->accept();
 424         break;
 425
 426         case Qt::Key_F8:
 427         webkit->zoomOut();
 428         event->accept();
 429         break;
 430     }
 431     QWidget::keyPressEvent(event);
 432 }
 433 #endif
 434
 435
 436 void TranslationWidget::updateZoom(qreal factor) {
 437     Settings* set = guiinterface->settings();
 438     set->setValue("zoom", QString("%1").arg(factor));
 439     guiinterface->setSettings(set);
 440 }
 441
 442
 443