#include <QPainter>

#include "nmDefines.h"
#include "nmObjRegionMark.h"
#include "nmObjRegionMarkTool.h"

#include "ZxBaseUtil.h"

#include "nmObjRegion.h"

nmObjRegionMarkTool::nmObjRegionMarkTool()
  : nmObjToolBase()
  , m_pCurPlot(nullptr)
{
  setText(tr("nObjRegionMarkTool"));
  m_oNot = NMOT_RegionMark;
}

nmObjRegionMarkTool::nmObjRegionMarkTool(ZxPlot* pCurPlot)
  : nmObjToolBase()
  , m_pCurPlot(pCurPlot)
{
  setText(tr("nObjRegionMarkTool"));
  m_oNot = NMOT_RegionMark;
}

bool nmObjRegionMarkTool::onLeftDown(const QPointF& pt)
{
  if (nullptr == m_pObj) // 绘图对象尚未创建
  {
    m_ptStart = pt;
    m_bTracking = true;
    return true;
  }
  else // 已绑定绘图对象
  {
    if (nmObjToolBase::onLeftDown(pt))
    {
      m_ptStart = pt;
      m_bTracking = true;
      return true;
    }
    return false;
  }
}

bool nmObjRegionMarkTool::onLeftUp(const QPointF& pt)
{
  if (nullptr == m_pObj)
  {
    getView()->setSnapshotMode(false);
    if (m_bTracking)
    {
      m_bTracking = false;
    }
    QVector<QPointF> vec;
    vec << pt;
    emit sigPtsFinished(vec);

    return true;
  }
  else // 已绑定绘图对象
  {
    return nmObjToolBase::onLeftUp(pt);
  }
}

bool nmObjRegionMarkTool::onMouseMove(const QPointF& pt)
{
  if(NULL == m_pObj) { // 绘图对象尚未创建(鼠标选点ing）
    m_ptMove = pt;

    if(m_bTracking) {
      updateLastMoveArea(true);
    }

    return true;
  } else { // 已绑定绘图对象
    return nmObjToolBase::onMouseMove(pt);
  }
}

void nmObjRegionMarkTool::onPaint(QPainter* painter, const ZxPaintParam& param)
{
  nmObjRegionMark* pObj = dynamic_cast<nmObjRegionMark*>(m_pObj);
  if (pObj == nullptr)
  {
    Qt::CursorShape o = Qt::ArrowCursor;
    changeCursor(o);
  }
}

Qt::CursorShape nmObjRegionMarkTool::getCursorBy(const int& nOption, \
        const int& nSubIndex)
{
  if (nOption < 0)
  {
    return Qt::ArrowCursor;
  }

  ObjHitOption oHitOption = (ObjHitOption)nOption;
  if (oHitOption == OHO_Point)
  {
    return (Qt::SizeAllCursor);
  }

  return Qt::ArrowCursor;
}