77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
#include "parkingLotItem.h"
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#include "ParkingLotWidget.h"
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#include <QDebug>
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#include <QPainter>
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ParkingLotItem::ParkingLotItem(QGraphicsPixmapItem *parent, QObject* objectParent):
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QObject(objectParent), QGraphicsPixmapItem(parent)
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{
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// 找到xml文件路径
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QString filePath = __FILE__;
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QStringList list = filePath.split("\\");
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QString result;
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for (int i = 0; i < list.size() - 1; i++)
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result.append(list.at(i)).append("\\");
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QStringList l = {"parkinglot_b1.xml", "parkinglot_f1.xml"};
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for (int i = 0; i < 2; i++) {
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QString t(result);
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m_xml_path.push_back(t.append(l.at(i)));
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}
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m_cars.resize(m_num_of_layer); // 停在每一层的车
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m_waitting.resize(m_num_of_entry); // 在每个入口等待的车
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for (uint i = 0; i < m_num_of_layer; i++) {
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ParkingLotWidget* widget = new ParkingLotWidget(Q_NULLPTR, m_xml_path.at(i)); // 生成一个widget
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m_pixmap.push_back(new QPixmap(widget->size())); // 创建一层的pixmap
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qDebug() << "widget size x=" << widget->size().width() << " y=" <<widget->size().height();
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widget->render(m_pixmap[i]); // 渲染pixmap
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m_capacity.push_back(widget->getCapacity()); // 获得这一层的最大容量
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m_cars[i].resize(m_capacity.at(i)); // 初始化一层的车位
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m_name.push_back(widget->getName()); // 这一层的名字
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m_num_of_cars.push_back(0); // 初始停车数量为0
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delete widget; // 删除widget
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QPainter painter(m_pixmap[i]);
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painter.setPen(Qt::red);
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painter.drawRect(0, 0, m_pixmap[i]->width() - 1, m_pixmap[i]->height() - 1);
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}
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}
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void ParkingLotItem::showParkingLot(uint pos)
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{
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if (pos >= m_num_of_layer) {
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qDebug() << "ParkingLotItem: 层数错误";
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return;
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}
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setPixmap(*m_pixmap.at(pos));
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emit setCapacity(QString::number(m_capacity.at(pos)));
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emit setLoad(QString::number(m_capacity.at(pos) - m_num_of_cars.at(pos)));
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emit setLayerName(m_name.at(pos));
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}
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void ParkingLotItem::showParkingLot()
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{
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showParkingLot(m_current_floor);
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}
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void ParkingLotItem::showDownStairFloor()
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{
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if (m_current_floor == m_num_of_layer - 1) // 当前是最顶层
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emit enableUpButton(true);
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if (m_current_floor == 1)
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emit enableDownButton(false); // 到底
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if (m_current_floor > 0)
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--m_current_floor;
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showParkingLot(m_current_floor);
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}
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void ParkingLotItem::showUpStairFloor()
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{
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if (m_current_floor == 0)
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emit enableDownButton(true);
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if (m_current_floor == m_num_of_layer - 2)
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emit enableUpButton(false);
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if (m_current_floor < m_num_of_layer - 1)
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++ m_current_floor;
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showParkingLot(m_current_floor);
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}
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