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#include <QPainter>
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#include "ZxBaseUtil.h"
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#include "nmObjRegion.h"
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#include "nmObjRegionTool.h"
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#include "nmObjPointWell.h"
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#include "nmDataAnalyzeManager.h"
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#include "ZxPlot.h"
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nmObjRegionTool::nmObjRegionTool() : nmObjToolBase()
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, m_pCurPlot(nullptr)
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{
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setText(tr("nObjRegionTool"));
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m_oNot = NMOT_Region;
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// 在数据中心获取所有可连接的点(屏幕坐标)
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m_vecCurAllPts = nmDataAnalyzeManager::getCurrentInstance()->getPosAllConnectablePoints();
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}
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bool nmObjRegionTool::onLeftDown(const QPointF& pt)
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{
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if(NULL == m_pObj) { // 绘图对象尚未创建(鼠标选点ing）
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m_bTracking = true;
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QPointF p = pt;
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changeCursor(Qt::CrossCursor);
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// 对于持续性选点的工具，需要设置
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getView()->setCursorKeeping(true);
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// 判断鼠标是否点击了之前的点中
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for(int i = 0; i < m_vecCurAllPts.count(); i++) {
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double nDistance = 2.2f;
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if((qAbs(m_vecCurAllPts[i].x() - p.x()) < nDistance) && \
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(qAbs(m_vecCurAllPts[i].y() - p.y()) < nDistance)) {
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// 更新当前点的坐标
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p = m_vecCurAllPts[i];
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}
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}
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m_ptStart = p;
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m_vecPoints.push_back(p);
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return true;
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} else { // 已绑定绘图对象
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return nmObjToolBase::onLeftDown(pt);
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}
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}
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bool nmObjRegionTool::onMouseMove(const QPointF& pt)
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{
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if(NULL == m_pObj) {
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m_ptMove = pt;
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if(m_bTracking) {
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updateLastMoveArea(true);
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}
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return true;
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} else {
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return nmObjToolBase::onMouseMove(pt);
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}
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}
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bool nmObjRegionTool::onLeftUp(const QPointF& pt)
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{
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QPointF p = pt;
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if(NULL == m_pObj) {
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if(!m_vecPoints.isEmpty()) {
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updateLastMoveArea(true);
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}
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return true;
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} else {
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if(m_pObj->isSelected()){
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double dDistance = 2.2f;
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for(int i = 0; i < m_vecCurAllPts.count(); i++) {
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if((qAbs(m_vecCurAllPts[i].x() - pt.x()) < dDistance) && \
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(qAbs(m_vecCurAllPts[i].y() - pt.y()) < dDistance) && \
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m_oHitOption == OHO_Point)
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{
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p = m_vecCurAllPts[i];
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}
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}
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return nmObjToolBase::onLeftUp(p);
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} else {
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return false;
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}
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}
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}
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bool nmObjRegionTool::onLeftDoubleClick(const QPointF& pt)
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{
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if(NULL == m_pObj) {
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// 区域至少需要 3 个点才能闭合成有效面，点数不足时吞掉双击。
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if (m_vecPoints.count() < 3)
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{
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return true;
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}
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changeCursor(Qt::ArrowCursor);
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emit sigPtsFinished(m_vecPoints);
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m_vecPoints.clear();
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if(m_bTracking)
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{
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m_bTracking = false;
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}
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// 双击已完成本工具的处理，这里直接消费事件。
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return true;
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} else {
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return nmObjToolBase::onLeftDoubleClick(pt);
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}
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}
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void nmObjRegionTool::onPaint(QPainter* painter, const ZxPaintParam& param)
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{
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nmObjRegion* pObj = dynamic_cast<nmObjRegion*>(m_pObj);
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if(pObj == nullptr) {
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if(!m_bTracking && m_vecPoints.size() > 0) {
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return;
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}
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Qt::CursorShape o = Qt::CrossCursor;
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changeCursor(o);
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painter->save();
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// 将需要选中的点绘制正方形
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double dDistance = 2.2f;
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for(int i = 0; i < m_vecCurAllPts.count(); i++) {
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QPointF pt = m_vecCurAllPts[i];
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QRectF rect(pt.x() - dDistance * 0.5f, pt.y() - dDistance * 0.5f, dDistance, dDistance);
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painter->setPen(QPen(QBrush(Qt::black), \
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0.5f, Qt::SolidLine));
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painter->drawRect(rect);
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}
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// 判断鼠标是否进入了某个点的范围，填充捕捉到的矩形背景
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for(int i = 0; i < m_vecCurAllPts.count(); i++) {
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if((qAbs(m_vecCurAllPts[i].x() - m_ptMove.x()) < dDistance) && \
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(qAbs(m_vecCurAllPts[i].y() - m_ptMove.y()) < dDistance)) {
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// 修改当前点的的状态
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QPointF pt = m_vecCurAllPts[i];
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QRectF rect(pt.x() - dDistance * 0.5f, pt.y() - dDistance * 0.5f, dDistance, dDistance);
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QPen pen(QBrush(Qt::black), 0.5f, Qt::DotLine);
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painter->setPen(pen);
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painter->drawRect(rect);
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QBrush br(Qt::green);
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painter->fillRect(rect, br);
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}
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}
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painter->restore();
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paintTrackingVirtualObj(painter, param);
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} else {// 已绑定绘图对象
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if(m_pObj->isSelected()){
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painter->save();
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m_vecCurAllPts.clear();
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m_vecCurAllPts = nmDataAnalyzeManager::getCurrentInstance()->removePosByObject(pObj->getRegionData());
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double dDistance = 2.2f;
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for(int i = 0; i < m_vecCurAllPts.count(); i++) {
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QPointF pt = m_vecCurAllPts[i];
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QRectF rect(pt.x() - dDistance * 0.5f, pt.y() - dDistance * 0.5f, dDistance, dDistance);
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painter->setPen(QPen(QBrush(Qt::black), \
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0.5f, Qt::SolidLine));
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painter->drawRect(rect);
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}
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// 判断鼠标是否进入了某个点的范围，填充捕捉到的矩形背景
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for(int i = 0; i < m_vecCurAllPts.count(); i++) {
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if((qAbs(m_vecCurAllPts[i].x() - m_ptMove.x()) < dDistance) && \
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(qAbs(m_vecCurAllPts[i].y() - m_ptMove.y()) < dDistance) && \
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m_oHitOption == OHO_Point) {
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// 修改当前点的的状态
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QPointF pt = m_vecCurAllPts[i];
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QRectF rect(pt.x() - dDistance * 0.5f, pt.y() - dDistance * 0.5f, dDistance, dDistance);
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QPen pen(QBrush(Qt::black), 0.5f, Qt::DotLine);
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painter->setPen(pen);
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painter->drawRect(rect);
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QBrush br(Qt::green);
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painter->fillRect(rect, br);
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}
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}
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painter->restore();
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}
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paintTrackingRealObj(painter, param);
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}
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}
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void nmObjRegionTool::paintTrackingVirtualObj(QPainter* painter, const ZxPaintParam& param)
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{
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painter->save();
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{
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QPen pen(Qt::SolidLine);
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painter->setPen(pen);
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for(int i = 0; i < m_vecPoints.count() - 1; i++) {
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painter->drawLine(m_vecPoints[i], m_vecPoints[i + 1]);
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}
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}
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if(m_bTracking || !m_vecPoints.isEmpty()) {
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QPen pen(Qt::DashLine);
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painter->setPen(pen);
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painter->drawLine(m_ptStart, m_ptMove);
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}
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painter->restore();
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}
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void nmObjRegionTool::paintTrackingRealObj(QPainter* painter, const ZxPaintParam& param)
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{
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if(!m_bTracking) {
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return;
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}
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nmObjRegion* pObj = dynamic_cast<nmObjRegion*>(m_pObj);
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Q_ASSERT(NULL != pObj);
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if (nullptr == pObj)
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{
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return; // 如果pObj为nullptr，直接返回
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}
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int nIndex = pObj->m_nHitIndex;
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Qt::CursorShape o = getCursorBy((int)m_oHitOption, nIndex);
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QVector<QPointF> vec = pObj->getAllPos();
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QPointF ptOld = m_ptStart;
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QPointF ptNew = getCurrentPos();
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if(m_oHitOption == OHO_Point) {
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if(nIndex >= 0 && nIndex < vec.count()) {
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vec[nIndex] = getCurrentPos();
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}
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} else if(m_oHitOption == OHO_Bound) {
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for(int i = 0; i < vec.count(); i++) {
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vec[i] = pObj->offsetPoint(vec[i], ptOld, ptNew);
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}
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} else {
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return;
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}
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painter->save();
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QPen pen(Qt::DashLine);
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painter->setPen(pen);
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QPainterPath oPath;
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oPath.moveTo(vec[0]);
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for(int i = 1; i < vec.count(); i++) {
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oPath.lineTo(vec[i]);
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}
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oPath.closeSubpath();
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QColor clr = pObj->getBackgrdColor();
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clr.setAlpha(128);
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painter->fillPath(oPath, QBrush(clr));
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changeCursor(o);
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painter->restore();
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}
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Qt::CursorShape nmObjRegionTool::getCursorBy(const int& nOption,
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const int& nSubIndex)
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{
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if(nOption < 0) {
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return Qt::ArrowCursor;
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}
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// 选择状态下起作用
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if (!m_pObj->isSelected()) {
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return Qt::ArrowCursor;
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}
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ObjHitOption oHitOption = (ObjHitOption)nOption;
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if(oHitOption == OHO_Point) {
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return (Qt::CrossCursor);
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} else if(oHitOption == OHO_Bound) {
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return (Qt::CrossCursor);
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}
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return Qt::ArrowCursor;
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}
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