// Created on: 2017-06-16
// Created by: Natalia ERMOLAEVA
// Copyright (c) 2017 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#include <inspector/ViewControl_MessageDialog.hxx>

#include <Standard_WarningsDisable.hxx>
#include <QCheckBox>
#include <QCursor>
#include <QGridLayout>
#include <QLabel>
#include <QPushButton>
#include <QWidget>
#include <Standard_WarningsRestore.hxx>

// =======================================================================
// function : Constructor
// purpose :
// =======================================================================
ViewControl_MessageDialog::ViewControl_MessageDialog(QWidget*       theParent,
                                                     const QString& theInformation,
                                                     const QString& theQuestion)
    : QDialog(theParent),
      myDoNotShowItAgain(false),
      myPreviousAnswer(false),
      myInformation(theInformation),
      myQuestion(theQuestion)
{
  setWindowTitle("Information");

  QGridLayout* aLayout       = new QGridLayout(this);
  QString      anInformation = theInformation;
  if (!theQuestion.isEmpty())
    anInformation += QString("\n\n%2").arg(myQuestion);
  myInformationLabel = new QLabel(anInformation, this);
  myInformationLabel->setWordWrap(true);
  aLayout->addWidget(myInformationLabel, 0, 0, 1, 3);

  myDoNotShowCheckBox = new QCheckBox("Don't show this dialog again. Do the same next time.", this);
  connect(myDoNotShowCheckBox, SIGNAL(toggled(bool)), this, SLOT(onDonNotShowToggled(bool)));
  aLayout->addWidget(myDoNotShowCheckBox, 1, 0, 1, 3);

  myOkButton     = new QPushButton("Ok", this);
  myCancelButton = new QPushButton("Cancel", this);
  connect(myOkButton, SIGNAL(clicked()), this, SLOT(onOkClicked()));
  connect(myCancelButton, SIGNAL(clicked()), this, SLOT(onCancelClicked()));
  aLayout->addWidget(myOkButton, 2, 1);
  aLayout->addWidget(myCancelButton, 2, 2);

  aLayout->setColumnStretch(0, 1);

  myCancelButton->setDefault(true);

  SetInformation(theInformation);
}

// =======================================================================
// function : Start
// purpose :
// =======================================================================
void ViewControl_MessageDialog::Start()
{
  if (!myDoNotShowItAgain)
  {
    QString anInformation = myInformation;
    if (!myQuestion.isEmpty())
      anInformation += QString("\n\n%2").arg(myQuestion);
    myInformationLabel->setText(anInformation);
    exec();
    return;
  }

  if (IsAccepted())
    return;

  // tool tip information window
  QWidget*     aWidget = new QWidget(this, Qt::Popup);
  QVBoxLayout* aLayout = new QVBoxLayout(aWidget);
  aLayout->addWidget(new QLabel(myInformation, aWidget));
  aWidget->move(QCursor::pos());
  aWidget->show();
}

// =======================================================================
// function : onOkClicked
// purpose :
// =======================================================================
void ViewControl_MessageDialog::onOkClicked()
{
  myPreviousAnswer = true;
  if (myDoNotShowItAgain)
    setToolTipInfoMode();

  accept();
}

// =======================================================================
// function : onCancelClicked
// purpose :
// =======================================================================
void ViewControl_MessageDialog::onCancelClicked()
{
  myPreviousAnswer = false;
  if (myDoNotShowItAgain)
    setToolTipInfoMode();

  reject();
}

// =======================================================================
// function : setToolTipInfoMode
// purpose :
// =======================================================================
void ViewControl_MessageDialog::setToolTipInfoMode()
{
  // setWindowFlags (Qt::FramelessWindowHint);
  // myDoNotShowCheckBox->setVisible (false);
  // myOkButton->setVisible (false);
  // myCancelButton->setVisible (false);
}