/**
  * @RDE_HEADER@
  * Test for LtsDataView and their AbstractDisplayWidgets
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Mike Wille, SLSE, 2016-03-14
  */

#include "test.h"

#include <lts_data_view.h>

#include <QApplication>
#include <QDebug>
#include <QLabel>
#include <QStandardItem>
#include <QStandardItemModel>
#include <QElapsedTimer>
#include <QScrollArea>
#include <QScroller>


Disp::Disp()
  : LtsDataView::AbstractDisplayWidget(nullptr)
  , m_label(new QLabel(this))
{

}


bool Disp::init(const QModelIndex &idx)
{
  if (!idx.isValid())
    return false;

  m_label->setText(rowData(idx, 0).toString());
  return true;
}


int main(int argc, char **argv)
{
  QApplication app(argc,argv);

  int rows = 20;
  int cols = 7;

  QElapsedTimer et;
  et.start();
  qWarning() << "creating" << rows << "items";
  qWarning() << "wait..";

  LtsDataView::LtsDataView *view = new LtsDataView::LtsDataView();

  QStandardItemModel model;

  for (int r = 0; r < rows; r++)
  {
    for (int c = 0; c < cols; c++)
    {
      QStandardItem *item = new QStandardItem(QStringLiteral("Item %1/%2").arg(r).arg(c));
      model.setItem(r,c,item);
    }
  }

  view->setModel(&model, [](){ return new Disp(); });
  view->show();

#ifdef TABLET_MODE
  auto widget = view;
  if (widget)
  {
    widget->setAttribute(Qt::WA_AcceptTouchEvents);

    {
      QScrollArea *sca = qobject_cast<QScrollArea *>(widget);
      if (sca)
      {
        qWarning() << widget << "is scroll area";
        QScroller::grabGesture(sca->viewport(), QScroller::LeftMouseButtonGesture);
        QScroller::grabGesture(sca, QScroller::LeftMouseButtonGesture);
      }
      else
      {
        QAbstractItemView *aiv = qobject_cast<QAbstractItemView *>(widget);
        if (aiv)
        {
          qWarning() << widget << "is abst. item view";
          QScroller::grabGesture(aiv->viewport(), QScroller::LeftMouseButtonGesture);
          QScroller::grabGesture(aiv, QScroller::LeftMouseButtonGesture);
          aiv->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
          aiv->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
        }
      }
    }
  }
#endif

  qWarning() << "took" << et.elapsed() << "ms";

  return app.exec();
}