tnootkaqml.cpp

/***************************************************************************
 *   Copyright (C) 2017 by Tomasz Bojczuk                                  *
 *   seelook@gmail.com                                                     *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *  You should have received a copy of the GNU General Public License      *
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.  *
 ***************************************************************************/

#include "tnootkaqml.h"
#include "qtr.h"
#include "ttickcolors.h"
#include "nootkaconfig.h"
#include "tpath.h"
#include "music/tkeysignature.h"
#include "music/tnamestylefilter.h"
#include "score/tscoreobject.h"
#include "score/tstaffobject.h"
#include "score/tnoteobject.h"
#include "instruments/tguitarbg.h"
#include "instruments/tpianobg.h"
#include "taction.h"
#include "music/tinstrument.h"
#include "music/ttuneobject.h"

#include <QtQml/qqmlengine.h>
#include <QtCore/qfile.h>
#include <QtCore/qdir.h>
#include <QtGui/qguiapplication.h>
#include <QtCore/qdir.h>
#include <QtWidgets/qfiledialog.h>
#include <QtCore/qdebug.h>


TnootkaQML* TnootkaQML::m_instance = nullptr;


TnootkaQML::TnootkaQML(QObject* parent) :
  QObject(parent)
{
  if (m_instance) {
    qDebug() << "TnootkaQML instance already exists!";
    return;
  }
  m_instance = this;

  qRegisterMetaType<Tclef>();
  qmlRegisterUncreatableType<Tclef>("Score", 1, 0, "Tclef", QStringLiteral("You cannot create an instance of the Tclef."));
  qRegisterMetaType<Tmeter>();
  qmlRegisterUncreatableType<Tmeter>("Score", 1, 0, "Tmeter", QStringLiteral("You cannot create an instance of the Tmeter."));
  qmlRegisterUncreatableType<Trhythm>("Score", 1, 0, "Trhythm", QStringLiteral("You cannot create an instance of the Trhythm."));

  qmlRegisterType<TscoreObject>("Score", 1, 0, "TscoreObject");
  qmlRegisterType<TstaffObject>("Score", 1, 0, "TstaffObject");
  qmlRegisterType<TnoteObject>("Score", 1, 0, "TnoteItem");

  qmlRegisterType<TtickColors>("Nootka", 1, 0, "TtickColors");
  qmlRegisterType<TguitarBg>("Nootka", 1, 0, "TguitarBg");
  qmlRegisterType<TpianoBg>("Nootka", 1, 0, "TpianoBg");
  qmlRegisterType<Taction>("Nootka", 1, 0, "Taction");

  qmlRegisterUncreatableType<TnootkaQML>("Nootka", 1, 0, "Nootka", QStringLiteral("You cannot create an instance of the TnootkaQML."));
  qRegisterMetaType<Tinstrument>();
  qmlRegisterUncreatableType<Tinstrument>("Nootka", 1, 0, "Tinstrument", QStringLiteral("You cannot create an instance of the Tinstrument."));
  qRegisterMetaType<Ttune>();
  qmlRegisterUncreatableType<Ttune>("Nootka", 1, 0, "Ttune", QStringLiteral("You cannot create an instance of the Ttune."));
  qmlRegisterType<TtuneObject>("Nootka", 1, 0, "TtuneObject");
}


TnootkaQML::~TnootkaQML()
{
  m_instance = nullptr;
}

//#################################################################################################
//###################       INVOKABLE METHODS          ############################################
//#################################################################################################

QString TnootkaQML::version() { return NOOTKA_VERSION; }


Tclef TnootkaQML::clef(int type) {
  return Tclef(static_cast<Tclef::EclefType>(type));
}


Tmeter TnootkaQML::meter(int m) {
  return Tmeter(static_cast<Tmeter::Emeter>(m));
}


Tnote TnootkaQML::note(int pitch, int octave, int alter, int rhythm, bool rest, bool dot) {
  return Tnote(static_cast<char>(pitch), static_cast<char>(octave), static_cast<char>(alter),
               Trhythm(static_cast<Trhythm::Erhythm>(rhythm), rest, dot, false));
}


Tnote TnootkaQML::note(const Tnote& n, int rhythm, bool rest, bool dot) {
  return Tnote(n, Trhythm(static_cast<Trhythm::Erhythm>(rhythm), rest, dot, false));
}


QString TnootkaQML::noteName(const Tnote& n, int style, bool showOctave) {
  // Tnote::toText() method returns only names in user preferred according to settings
  // To cheat it and force note name in any given style we are resetting pointer of is7th_B 
  // then Tnote skips filtering of a style during name generation.
  auto tmpPtr = TnameStyleFilter::is7th_B();
  TnameStyleFilter::setStyleFilter(nullptr, TnameStyleFilter::solfegeStyle());
  auto name = n.toText(static_cast<Tnote::EnameStyle>(style), showOctave);
  TnameStyleFilter::setStyleFilter(tmpPtr, TnameStyleFilter::solfegeStyle()); // restore is7th_B settings
  return name;
}


QString TnootkaQML::majorKeyName(int key) {
  return TkeySignature(static_cast<char>(key)).getMajorName();
}


QString TnootkaQML::minorKeyName(int key) {
  return TkeySignature(static_cast<char>(key)).getMinorName();
}


QString TnootkaQML::majAndMinKeyName(int key) {
  return TkeySignature(static_cast<char>(key)).getMajorName() + QLatin1String("<br>") + TkeySignature(static_cast<char>(key)).getMinorName();
}


QString TnootkaQML::getLicense() {
  QFile file(Tpath::main + QLatin1String("gpl"));
  QString license;
  QTextStream in;
  if (!file.exists()) { // Debian based
      QDir d(Tpath::main);
      d.cdUp();
      file.setFileName(d.path() + QLatin1String("/doc/nootka/copyright"));
  }
  if(file.open(QFile::ReadOnly | QFile::Text)) {
      QTextStream in(&file);
      in.setCodec("UTF-8");
      license = in.readAll();
  }
  file.close();
  return license;
}


QString TnootkaQML::getChanges() {
  QFile file(Tpath::main + QLatin1String("changes"));
  QString chLog;
  QTextStream in;
  if(file.open(QFile::ReadOnly | QFile::Text)) {
      QTextStream in(&file);
      in.setCodec("UTF-8");
      QStringList htmlText = in.readAll().replace(QLatin1String("  "), QLatin1String("&nbsp;&nbsp;")).split(QLatin1String("\n"));
      for (int i = 0; i < htmlText.size(); i++) {
        if (htmlText[i].startsWith(QLatin1String("0.")) || htmlText[i].startsWith(QLatin1String("1.")))
          htmlText[i] = QLatin1String("<span style=\"font-size: x-large; color: #0000ff\"><b>&nbsp;") + htmlText[i] + QLatin1String("</b></span>");
        else if (htmlText[i].contains(QLatin1String("======")))
          htmlText[i] = QStringLiteral("<br><hr><b><big><center>Nootka ONE</big></b></center><hr>");
        else if (htmlText[i].contains(QLatin1String("BUG")))
          htmlText[i] = QStringLiteral("&nbsp;&nbsp;<u>BUG FIXES</u>");
        else if (htmlText[i].contains(QLatin1String("Under the hood")))
          htmlText[i] = QStringLiteral("&nbsp;&nbsp;<u>Under the hood</u>");
        else if (!htmlText[i].contains(QLatin1String("&nbsp;&nbsp; - ")))
          htmlText[i] = QLatin1String("<b>") + htmlText[i] + QLatin1String("</b>");
        htmlText[i].append(QLatin1String("<br>"));
      }
      chLog = htmlText.join(QString());
  }
  file.close();
  return chLog;
}


bool TnootkaQML::isAndroid()  {
#if defined (Q_OS_ANDROID)
  return true;
#else
  return false;
#endif
}


QStringList TnootkaQML::guitarTunings() {
  QStringList tunList;
  int start = static_cast<int>(Ttune::Standard_EADGBE);
  for (int t = start; t < start + 5; ++t)
    tunList << Ttune::definedName(static_cast<Ttune::Etunings>(t));
  return tunList;
}


QStringList TnootkaQML::bassTunings() {
  QStringList tunList;
  int start = static_cast<int>(Ttune::Bass4_EADG);
  for (int t = start; t < start + 4; ++t)
    tunList << Ttune::definedName(static_cast<Ttune::Etunings>(t));
  return tunList;
}


QString TnootkaQML::stdButtonText(int role) {
  switch (role) {
    case 33554432: return qTR("QPlatformTheme", "Apply");
    case 4194304: return qTR("QPlatformTheme", "Cancel");
    case 134217728: return qTR("QPlatformTheme", "Restore Defaults");
    case 16777216: return qTR("QPlatformTheme", "Help");
    case 2097152: return qTR("QPlatformTheme", "Close");
    case 1024: return qTR("QPlatformTheme", "OK");
    default: return QString();
  }
}


QString TnootkaQML::instrumentName(int instr) {
  return Tinstrument::staticName(static_cast<Tinstrument::Etype>(instr));
}


QString TnootkaQML::getXmlToOpen() {
  return QFileDialog::getOpenFileName(0, qApp->translate("TmelMan", "Open melody file"), QDir::homePath(),
                                      qApp->translate("TmelMan", "MusicXML file") + QLatin1String(" (*.xml)"));
}


QString TnootkaQML::getXmlToSave() {
  return QFileDialog::getSaveFileName(0, qApp->translate("TmelMan", "Save melody as:"), QDir::homePath(),
                                      qTR("TmelMan", "MusicXML file") + QLatin1String(" (*.xml)"));
}