/**
  * @RDE_HEADER@
  * manages each row in view which type of container is suitable for current situation
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Mike Wille, SLSE, 2014-10-01
  */

#pragma once

#include "AbstractTimelineModel.h"
#include "Range.h"

#include <QStyledItemDelegate>


namespace LtsTimelineClassic
{

/**
 * @brief manages each row in view which type of container is suitable for current situation
 */
class EventDelegate : public QStyledItemDelegate // manages all EventContainer and kind of
{
  Q_OBJECT

public:
  /**
   * @brief delegate which manages all containers (active/passive event containers) for the view
   * @param parent on which parent this delegates lies on
   * @param timelineModel model to get data for containers
   */
  EventDelegate(QWidget *parent = nullptr);
  void setKnownRanges(const QVector<Range> &knownRanges);

  /**
   * @brief minimum size a row / column should take
   * @param option style options of coherant row & column
   * @param index which row & column is affected
   * @return
   */
  QSize sizeHint(const QStyleOptionViewItem &option = QStyleOptionViewItem(), const QModelIndex &index = QModelIndex()) const;

  void setLiveTime(qint64 liveTime);
private:
  /**
   * @brief paint draws all containers on itself (which lies directly on the view)
   * @param painter painter to draw all containers on the view
   * @param option style options of coherant row & column
   * @param index which row & column to paint
   */
  void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;

  /**
   * @brief creates or returns an active event container so that users can interact with events on the view
   * @param parent on which delegate/parent this editor lies on
   * @param option style options of coherant row & column
   * @param index which row & column to lay the editor on
   * @return
   */
  //QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const;

  LineMap m_lineMap;
  QVector<Range> m_knownRanges;
  qint64 m_liveTime;

public slots:
  /**
   * @brief deletes line list (date text line lists)
   */
  void slotResetLineList();

  /**
   * @brief add date text line pixel position which should be added to a list,
   * so that the view can draw them on itself
   * @param posX pixel position of date text line
   */
  void slotAddLine(int posX, qint64 time);
};

}