/home/travis/build/Qucs/qucs/qucs/qucs/dialogs/librarydialog.cpp

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/*
 * librarydialog.cpp - implementation of dialog to create library
 *
 * Copyright (C) 2006, Michael Margraf, michael.margraf@alumni.tu-berlin.de
 * Copyright (C) 2014, Yodalee, lc85301@gmail.com
 *
 * This file is part of Qucs
 *
 * Qucs 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 2, or (at your option)
 * any later version.
 *
 * This software 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 Qucs.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <QLabel>
#include <QLineEdit>
#include <QPlainTextEdit>
#include <QTextStream>

#include <QDataStream>
#include <QCheckBox>
#include <QTreeWidgetItem>
#include <QValidator>
#include <QMessageBox>
#include <QPushButton>
#include <QScrollArea>
#include <QButtonGroup>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QStackedWidget>
#include <QGroupBox>
#include <QDebug>
#include <QStringList>

#include "librarydialog.h"
#include "main.h"
#include "schematic.h"

extern SubMap FileList;

LibraryDialog::LibraryDialog(QWidget *parent)
      : QDialog(parent)
{
  setWindowTitle(tr("Create Library"));

  Expr.setPattern("[\\w_]+");
  Validator = new QRegExpValidator(Expr, this);

  curDescr = 0; // description counter, prev, next

 // ...........................................................
  all = new QVBoxLayout(this);
  all->setMargin(5);
  all->setSpacing(6);

  stackedWidgets = new QStackedWidget(this);
  all->addWidget(stackedWidgets);


  // stacked 0 - select subcirbuit, name, and descriptions
  // ...........................................................
  QWidget *selectSubckt = new QWidget();
  stackedWidgets->addWidget(selectSubckt);

  QVBoxLayout *selectSubcktLayout = new QVBoxLayout();
  selectSubckt->setLayout(selectSubcktLayout);


  QHBoxLayout *h1 = new QHBoxLayout();
  selectSubcktLayout->addLayout(h1);
  theLabel = new QLabel(tr("Library Name:"));
  h1->addWidget(theLabel);
  NameEdit = new QLineEdit();
  h1->addWidget(NameEdit);
  NameEdit->setValidator(Validator);

  // ...........................................................
  Group = new QGroupBox(tr("Choose subcircuits:"));
  selectSubcktLayout->addWidget(Group);

  QScrollArea *scrollArea = new QScrollArea(Group);
  scrollArea->setWidgetResizable(true);

  QWidget *scrollWidget = new QWidget();

  checkBoxLayout = new QVBoxLayout();
  scrollWidget->setLayout(checkBoxLayout);
  scrollArea->setWidget(scrollWidget);

  QVBoxLayout *areaLayout = new QVBoxLayout();
  areaLayout->addWidget(scrollArea);
  Group->setLayout(areaLayout);

  // ...........................................................
  QHBoxLayout *hCheck = new QHBoxLayout();
  selectSubcktLayout->addLayout(hCheck);
  checkDescr = new QCheckBox(tr("Add subcircuit description"));
  checkDescr->setChecked(true);
  hCheck->addWidget(checkDescr);
  hCheck->addStretch();
  connect(checkDescr, SIGNAL(stateChanged(int)), this, SLOT(slotCheckDescrChanged(int)));

  // ...........................................................
  QGridLayout *gridButts = new QGridLayout();
  selectSubcktLayout->addLayout(gridButts);
  ButtSelectAll = new QPushButton(tr("Select All"));
  gridButts->addWidget(ButtSelectAll, 0, 0);
  connect(ButtSelectAll, SIGNAL(clicked()), SLOT(slotSelectAll()));
  ButtSelectNone = new QPushButton(tr("Deselect All"));
  gridButts->addWidget(ButtSelectNone, 0, 1);
  connect(ButtSelectNone, SIGNAL(clicked()), SLOT(slotSelectNone()));
  // ...........................................................
  ButtCancel = new QPushButton(tr("Cancel"));
  gridButts->addWidget(ButtCancel, 1, 0);
  connect(ButtCancel, SIGNAL(clicked()), SLOT(reject()));
  ButtCreateNext = new QPushButton(tr("Next >>"));
  gridButts->addWidget(ButtCreateNext, 1, 1);
  connect(ButtCreateNext, SIGNAL(clicked()), SLOT(slotCreateNext()));
  ButtCreateNext->setDefault(true);


  // stacked 1 - enter description, loop over checked subckts
  // ...........................................................
  QWidget *subcktDescr = new QWidget();
  stackedWidgets->addWidget(subcktDescr);

  QVBoxLayout *subcktDescrLayout = new QVBoxLayout();
  subcktDescr->setLayout(subcktDescrLayout);

  QHBoxLayout *hbox = new QHBoxLayout();
  subcktDescrLayout->addLayout(hbox);
  QLabel *libName = new QLabel(tr("Enter description for:"));
  hbox->addWidget(libName);
  checkedCktName = new QLabel();
  checkedCktName->setText("dummy");
  hbox->addWidget(checkedCktName);

  QGroupBox *descrBox = new QGroupBox(tr("Description:"));
  subcktDescrLayout->addWidget(descrBox);
  textDescr = new QTextEdit();
  textDescr->setTextFormat(Qt::PlainText);
  textDescr->setWordWrapMode(QTextOption::NoWrap);
  connect(textDescr, SIGNAL(textChanged()), SLOT(slotUpdateDescription()));
  QVBoxLayout *vGroup = new QVBoxLayout;
  vGroup->addWidget(textDescr);
  descrBox->setLayout(vGroup);

  // ...........................................................
  gridButts = new QGridLayout();
  subcktDescrLayout->addLayout(gridButts);
  prevButt = new QPushButton(tr("Previous"));
  gridButts->addWidget(prevButt, 0, 0);
  prevButt->setDisabled(true);
  connect(prevButt, SIGNAL(clicked()), SLOT(slotPrevDescr()));
  nextButt = new QPushButton(tr("Next >>"));
  nextButt->setDefault(true);
  gridButts->addWidget(nextButt, 0, 1);
  connect(nextButt, SIGNAL(clicked()), SLOT(slotNextDescr()));
  // ...........................................................
  ButtCancel = new QPushButton(tr("Cancel"));
  gridButts->addWidget(ButtCancel, 1, 0);
  connect(ButtCancel, SIGNAL(clicked()), SLOT(reject()));
  createButt = new QPushButton(tr("Create"));
  connect(createButt, SIGNAL(clicked()), SLOT(slotSave()));
  gridButts->addWidget(createButt, 1, 1);
  createButt->setDisabled(true);


  // stacked 2 - show error / sucess message
  // ...........................................................
  QWidget *msg = new QWidget();
  stackedWidgets->addWidget(msg);

  QVBoxLayout *msgLayout = new QVBoxLayout();
  msg->setLayout(msgLayout);

  QHBoxLayout *hbox1 = new QHBoxLayout();
  msgLayout->addLayout(hbox1);
  QLabel *finalLabel = new QLabel(tr("Library Name:"));
  hbox1->addWidget(finalLabel);
  libSaveName = new QLabel();
  hbox1->addWidget(libSaveName);

  QGroupBox *msgBox = new QGroupBox(tr("Message:"));
  msgLayout->addWidget(msgBox);
  ErrText = new QPlainTextEdit();
  ErrText->setWordWrapMode(QTextOption::NoWrap);
  ErrText->setReadOnly(true);
  QVBoxLayout *vbox1 = new QVBoxLayout();
  vbox1->addWidget(ErrText);
  msgBox->setLayout(vbox1);

  QHBoxLayout *hbox2 = new QHBoxLayout();
  hbox2->addStretch();
  QPushButton  *close = new QPushButton(tr("Close"));
  hbox2->addWidget(close);
  connect(close, SIGNAL(clicked()), SLOT(reject()));
  msgLayout->addLayout(hbox2);
}


LibraryDialog::~LibraryDialog()
{
  delete all;
  delete Validator;
}

void
LibraryDialog::fillSchematicList(QStringList SchematicList)
{
  // ...........................................................
  // insert all subcircuits of into checklist
  if (SchematicList.size() == 0) {
    ButtCreateNext->setEnabled(false);
    QLabel *noProj = new QLabel(tr("No projects!"));
    checkBoxLayout->addWidget(noProj);
  } else {
    foreach(const QString &filename, SchematicList) {
      QCheckBox *subCheck = new QCheckBox(filename);
      checkBoxLayout->addWidget(subCheck);
      BoxList.append(subCheck);
    }
  }
}

// ---------------------------------------------------------------
void LibraryDialog::slotCreateNext()
{
  if(NameEdit->text().isEmpty()) {
    QMessageBox::critical(this, tr("Error"), tr("Please insert a library name!"));
    return;
  }

  int count=0;
  QCheckBox *p;
  QListIterator<QCheckBox *> i(BoxList);
  while(i.hasNext()){
    p = i.next();
    if(p->isChecked()) {
      SelectedNames.append(p->text());
      Descriptions.append("");
      count++;
    }
  }

  if(count < 1) {
    QMessageBox::critical(this, tr("Error"), tr("Please choose at least one subcircuit!"));
    return;
  }

  LibDir = QDir(QucsSettings.QucsHomeDir);
  if(!LibDir.cd("user_lib")) { // user library directory exists ?
    if(!LibDir.mkdir("user_lib")) { // no, then create it
      QMessageBox::warning(this, tr("Warning"),
                   tr("Cannot create user library directory !"));
      return;
    }
    LibDir.cd("user_lib");
  }

  LibFile.setFileName(QucsSettings.LibDir + NameEdit->text() + ".lib");
  if(LibFile.exists()) {
    QMessageBox::critical(this, tr("Error"), tr("A system library with this name already exists!"));
    return;
  }

  LibFile.setFileName(LibDir.absFilePath(NameEdit->text()) + ".lib");
  if(LibFile.exists()) {
    QMessageBox::critical(this, tr("Error"), tr("A library with this name already exists!"));
    return;
  }

  if (checkDescr->checkState() == Qt::Checked){
    // user enter descriptions
    stackedWidgets->setCurrentIndex(1);  // subcircuit description view

    checkedCktName->setText(SelectedNames[0]);
    textDescr->setText(Descriptions[0]);

    if (SelectedNames.count() == 1){
        prevButt->setDisabled(true);
        nextButt->setDisabled(true);
        createButt->setEnabled(true);
      }
  }
  else {
      // save whitout description
      emit slotSave();
  }
}

// ---------------------------------------------------------------
void LibraryDialog::intoStream(QTextStream &Stream, QString &tmp,
             const char *sec)
{
  int i = tmp.indexOf("TOP LEVEL MARK");
  if(i >= 0) {
    i = tmp.indexOf('\n',i) + 1;
    tmp = tmp.mid(i);
  }
  Stream << "  <" << sec << ">";
  Stream << tmp;
  Stream << "  </" << sec << ">\n";
}

// ---------------------------------------------------------------
int LibraryDialog::intoFile(QString &ifn, QString &ofn, QStringList &IFiles)
{
  int error = 0;
  QFile ifile(ifn);
  if(!ifile.open(QIODevice::ReadOnly)) {
    ErrText->insertPlainText(QObject::tr("ERROR: Cannot open file \"%1\".\n").
        arg(ifn));
    error++;
  }
  else {
    QByteArray FileContent = ifile.readAll();
    ifile.close();
    if(ifile.name().right(4) == ".lst")
      LibDir.remove(ifile.name());
    QDir LibDirSub(LibDir);
    if(!LibDirSub.cd(NameEdit->text())) {
      if(!LibDirSub.mkdir(NameEdit->text())) {
  ErrText->insertPlainText(
          QObject::tr("ERROR: Cannot create user library subdirectory !\n"));
  error++;
      }
      LibDirSub.cd(NameEdit->text());
    }
    QFileInfo Info(ofn);
    ofn = Info.fileName();
    IFiles.append(ofn);
    QFile ofile;
    ofile.setFileName(LibDirSub.absFilePath(ofn));
    if(!ofile.open(QIODevice::WriteOnly)) {
      ErrText->insertPlainText(
        QObject::tr("ERROR: Cannot create file \"%1\".\n").arg(ofn));
      error++;
    }
    else {
      QDataStream ds(&ofile);
      ds.writeRawBytes(FileContent.data(), FileContent.size());
      ofile.close();
    }
  }
  return error;
}

// ---------------------------------------------------------------
void LibraryDialog::slotCheckDescrChanged(int state)
{
  if (state == Qt::Unchecked){
    ButtCreateNext->setText(tr("Create"));
  }
  else {
    ButtCreateNext->setText(tr("Next..."));
  }
}

// ---------------------------------------------------------------
void LibraryDialog::slotPrevDescr()
{
  if ( curDescr > 0 ) {
    nextButt->setDisabled(false);
    checkedCktName->setText(SelectedNames[curDescr]);
    curDescr--;
    checkedCktName->setText(SelectedNames[curDescr]);
    textDescr->setText(Descriptions[curDescr]);
  }

  if (curDescr == 0){
    prevButt->setDisabled(true);
    nextButt->setEnabled(true);
  }
}

// ---------------------------------------------------------------
void LibraryDialog::slotNextDescr()
{
  if ( curDescr < SelectedNames.count()) {
    prevButt->setDisabled(false);
    checkedCktName->setText(SelectedNames[curDescr]);
    curDescr++;
    checkedCktName->setText(SelectedNames[curDescr]);
    textDescr->setText(Descriptions[curDescr]);
  }

  if (curDescr == SelectedNames.count()-1){
    nextButt->setDisabled(true);
    createButt->setEnabled(true);
  }
}

void LibraryDialog::slotUpdateDescription()
{
  // store on every change
  Descriptions[curDescr] = textDescr->text();
}

// ---------------------------------------------------------------
void LibraryDialog::slotSave()
{
  stackedWidgets->setCurrentIndex(2); //message window
  libSaveName->setText(NameEdit->text() + ".lib");

  ErrText->insertPlainText(tr("Saving library..."));

  if(!LibFile.open(QIODevice::WriteOnly)) {
    ErrText->appendPlainText(tr("Error: Cannot create library!"));
    return;
  }
  QTextStream Stream;
  Stream.setDevice(&LibFile);
  Stream << "<Qucs Library " PACKAGE_VERSION " \""
   << NameEdit->text() << "\">\n\n";

  bool Success = true, ret;

  QString tmp;
  QTextStream ts(&tmp, QIODevice::WriteOnly);

  for (int i=0; i < SelectedNames.count(); i++) {
    ErrText->insertPlainText("\n=================\n");

    QString description = "";
    if(checkDescr->checkState() == Qt::Checked)
      description = Descriptions[i];

    Stream << "<Component " + SelectedNames[i].section('.',0,0) + ">\n"
           << "  <Description>\n"
           << description
           << "\n  </Description>\n";

    Schematic *Doc = new Schematic(0, QucsSettings.QucsWorkDir.filePath(SelectedNames[i]));
    ErrText->insertPlainText(tr("Loading subcircuit \"%1\".\n").arg(SelectedNames[i]));
    if(!Doc->loadDocument()) {  // load document if possible
        delete Doc;
        ErrText->appendPlainText(tr("Error: Cannot load subcircuit \"%1\".").
      arg(SelectedNames[i]));
        break;
    }
    Doc->DocName = NameEdit->text() + "_" + SelectedNames[i];
    Success = false;

    // save analog model
    tmp.truncate(0);
    Doc->isAnalog = true;

    ErrText->insertPlainText("\n");
    ErrText->insertPlainText(tr("Creating Qucs netlist.\n"));
    ret = Doc->createLibNetlist(&ts, ErrText, -1);
    if(ret) {
      intoStream(Stream, tmp, "Model");
      int error = 0;
      QStringList IFiles;
      SubMap::Iterator it = FileList.begin();
      while(it != FileList.end()) {
          QString f = it.data().File;
          QString ifn, ofn;
          if(it.data().Type == "SCH") {
              ifn = f + ".lst";
              ofn = ifn;
          }
          else if(it.data().Type == "CIR") {
              ifn = f + ".lst";
              ofn = ifn;
          }
          if (!ifn.isEmpty()) error += intoFile(ifn, ofn, IFiles);
          it++;
      }
      FileList.clear();
      if(!IFiles.isEmpty()) {
          Stream << "  <ModelIncludes \"" << IFiles.join("\" \"") << "\">\n";
      }
      Success = error > 0 ? false : true;
    }
    else {
        ErrText->insertPlainText("\n");
        ErrText->insertPlainText(tr("Error: Cannot create netlist for \"%1\".\n").arg(SelectedNames[i]));
    }

    // save verilog model
    tmp.truncate(0);
    Doc->isVerilog = true;
    Doc->isAnalog = false;

    ErrText->insertPlainText("\n");
    ErrText->insertPlainText(tr("Creating Verilog netlist.\n"));
    ret = Doc->createLibNetlist(&ts, ErrText, 0);
    if(ret) {
      intoStream(Stream, tmp, "VerilogModel");
      int error = 0;
      QStringList IFiles;
      SubMap::Iterator it = FileList.begin();
      while(it != FileList.end()) {
          QString f = it.data().File;
          QString ifn, ofn;
          if(it.data().Type == "SCH") {
              ifn = f + ".lst";
              ofn = f + ".v";
          }
          else if(it.data().Type == "VER") {
              ifn = f;
              ofn = ifn;
          }
          if (!ifn.isEmpty()) error += intoFile(ifn, ofn, IFiles);
          it++;
      }
      FileList.clear();
      if(!IFiles.isEmpty()) {
          Stream << "  <VerilogModelIncludes \""
                 << IFiles.join("\" \"") << "\">\n";
      }
      Success = error > 0 ? false : true;
    }
    else {
        ErrText->insertPlainText("\n");
    }

    // save vhdl model
    tmp.truncate(0);
    Doc->isVerilog = false;
    Doc->isAnalog = false;

    ErrText->insertPlainText(tr("Creating VHDL netlist.\n"));
    ret = Doc->createLibNetlist(&ts, ErrText, 0);
    if(ret) {
      intoStream(Stream, tmp, "VHDLModel");
      int error = 0;
      QStringList IFiles;
      SubMap::Iterator it = FileList.begin();
      while(it != FileList.end()) {
          QString f = it.data().File;
          QString ifn, ofn;
          if(it.data().Type == "SCH") {
              ifn = f + ".lst";
              ofn = f + ".vhdl";
          }
          else if(it.data().Type == "VHD") {
              ifn = f;
              ofn = ifn;
          }
          if (!ifn.isEmpty()) error += intoFile(ifn, ofn, IFiles);
          it++;
      }
      FileList.clear();
      if(!IFiles.isEmpty()) {
          Stream << "  <VHDLModelIncludes \""
                 << IFiles.join("\" \"") << "\">\n";
      }
      Success = error > 0 ? false : true;
      }
      else {
          ErrText->insertPlainText("\n");
      }

      Stream << "  <Symbol>\n";
      Doc->createSubcircuitSymbol();
      Painting *pp;
      for(pp = Doc->SymbolPaints.first(); pp != 0; pp = Doc->SymbolPaints.next())
        Stream << "    <" << pp->save() << ">\n";

      Stream << "  </Symbol>\n"
             << "</Component>\n\n";

      delete Doc;

      if(!Success) break;

  } // for

  LibFile.close();
  if(!Success) {
    LibFile.remove();
    ErrText->appendPlainText(tr("Error creating library."));
    return;
  }

  ErrText->appendPlainText(tr("Successfully created library."));
}

// ---------------------------------------------------------------
void LibraryDialog::slotSelectAll()
{
  QCheckBox *p;
  QListIterator<QCheckBox *> i(BoxList);
  while(i.hasNext()){
    p = i.next();
    p->setChecked(true);
  }
}

// ---------------------------------------------------------------
void LibraryDialog::slotSelectNone()
{
  QCheckBox *p;
  QListIterator<QCheckBox *> i(BoxList);
  while(i.hasNext()){
    p = i.next();
    p->setChecked(false);
  }
}