/*
 * @RDE_HEADER@
 * <short description>
 * $Id$
 * $HeadURL$
 * $Author$
 * Created by Malte Schröder, SLSE, 2016-07-14
 */

#include "logviewtableview.h"
#include "logviewtablemodel.h"

#include <QAction>
#include <QColor>
#include <QColorDialog>
#include <QIcon>
#include <QMenu>
#include <QMouseEvent>

LogViewTableView::LogViewTableView(QWidget *parent)
  : QTableView(parent)
  , m_contextMenu(new QMenu(this))
  , m_colorMenu(new QMenu(tr("Select Color"), m_contextMenu))
  , m_actionSetCellColor(new QAction(m_colorMenu))
  , m_actionSetFontColor(new QAction(m_colorMenu))
  , m_filterMenu(new QMenu(tr("Select Filter"), m_contextMenu))
  , m_actionFilterDate(nullptr)
  , m_actionFilterLevel(nullptr)
  , m_actionFilterLogger(nullptr)
  , m_actionFilterData(nullptr)
  , m_actionFilterLocation(nullptr)
  , m_actionResetFilter(nullptr)
  , m_coords()
  , m_contentAvailable(false)
{
  this->setMouseTracking(true);

  // ---------- COLOR ---------
  m_actionSetCellColor = m_colorMenu->addAction(tr("Cell-Color"));
  m_actionSetFontColor = m_colorMenu->addAction(tr("Font-Color"));
  m_contextMenu->addMenu(m_colorMenu);


  // ---------- FILTER ---------
  m_actionFilterDate = m_filterMenu->addAction(tr("Date"));
  m_actionFilterLevel = m_filterMenu->addAction(tr("Level"));
  m_actionFilterLogger = m_filterMenu->addAction(tr("Logger"));
  m_actionFilterData = m_filterMenu->addAction(tr("Data"));
  m_actionFilterLocation = m_filterMenu->addAction(tr("Location"));
  m_filterMenu->addSeparator();
  m_actionResetFilter = m_filterMenu->addAction(tr("Reset all filter"));
  m_contextMenu->addMenu(m_filterMenu);

  // ICONS
  m_actionFilterDate->setIcon(QIcon(QLatin1String("://icons/16x16/dialog-ok-apply.png")));
  m_actionFilterLevel->setIcon(QIcon(QLatin1String("://icons/16x16/dialog-ok-apply.png")));
  m_actionFilterLogger->setIcon(QIcon(QLatin1String("://icons/16x16/dialog-ok-apply.png")));
  m_actionFilterData->setIcon(QIcon(QLatin1String("://icons/16x16/dialog-ok-apply.png")));
  m_actionFilterLocation->setIcon(QIcon(QLatin1String("://icons/16x16/dialog-ok-apply.png")));
  m_actionResetFilter->setIcon(QIcon(QLatin1String("://icons/16x16/edit-undo.png")));
  m_actionFilterDate->setIconVisibleInMenu(false);
  m_actionFilterLevel->setIconVisibleInMenu(false);
  m_actionFilterLogger->setIconVisibleInMenu(false);
  m_actionFilterData->setIconVisibleInMenu(false);
  m_actionFilterLocation->setIconVisibleInMenu(false);
  m_actionResetFilter->setIconVisibleInMenu(true);

  connect(m_actionSetCellColor,   &QAction::triggered, this, &LogViewTableView::setCellColor);
  connect(m_actionSetFontColor,   &QAction::triggered, this, &LogViewTableView::setFontColor);
  connect(m_actionFilterDate,     &QAction::triggered, this, &LogViewTableView::dateFilterIsAboutToChange);
  connect(m_actionFilterLevel,    &QAction::triggered, this, &LogViewTableView::levelFilterIsAboutToChange);
  connect(m_actionFilterLogger,   &QAction::triggered, this, &LogViewTableView::loggerFilterIsAboutToChange);
  connect(m_actionFilterData,     &QAction::triggered, this, &LogViewTableView::dataFilterIsAboutToChange);
  connect(m_actionResetFilter,    &QAction::triggered, this, &LogViewTableView::resetAllFilter);
  connect(m_actionFilterLocation, &QAction::triggered, this, &LogViewTableView::locationFilterIsAboutToChange);
}

LogViewTableView::~LogViewTableView()
{
  delete m_contextMenu;
  // all other menus and actions are children of m_contextMenu
}


void LogViewTableView::setCellColor()
{
  QColor color = QColorDialog::getColor(Qt::white, this, tr("Select cell color"), QColorDialog::DontUseNativeDialog);
  QModelIndex index = indexAt(m_coords);
  QString level = index.data().toString();
  emit cellColorIsAboutToChange(color, level);
}

void LogViewTableView::setFontColor()
{
  QColor color = QColorDialog::getColor(Qt::white, this, tr("Select font color"), QColorDialog::DontUseNativeDialog);
  QModelIndex index = indexAt(m_coords);
  QString level = index.data().toString();
  emit fontColorIsAboutToChange(color, level);
}

void LogViewTableView::showActivatedFilter(QVector<bool> &filter)
{
  m_actionFilterDate->setIconVisibleInMenu(filter.at(LogViewTableModel::colDate));
  m_actionFilterLevel->setIconVisibleInMenu(filter.at(LogViewTableModel::colLevel));
  m_actionFilterLogger->setIconVisibleInMenu(filter.at(LogViewTableModel::colLogger));
  m_actionFilterData->setIconVisibleInMenu(filter.at(LogViewTableModel::colData));
  m_actionFilterLocation->setIconVisibleInMenu(filter.at(LogViewTableModel::colLocation));
}


void LogViewTableView::mouseReleaseEvent(QMouseEvent *event)
{
  if (QTableView::indexAt(m_coords).column() == LogViewTableModel::colLevel)
    enableColorSubMenuActions(true);
  else
    enableColorSubMenuActions(false);

  if (event->button() == Qt::RightButton
      && m_contentAvailable)
  {
    emit whichFilterAreActivated();
    m_contextMenu->exec(mapToGlobal(m_coords));
  }
}


void LogViewTableView::mouseMoveEvent(QMouseEvent *event)
{
  m_coords.setX(event->x());
  m_coords.setY(event->y());
  emit mouseMoved(m_coords);
}


void LogViewTableView::enableColorSubMenuActions(bool checkState)
{
  m_actionSetCellColor->setEnabled(checkState);
  m_actionSetFontColor->setEnabled(checkState);
}