把停车场和ui连接起来

monitor.cpp

@@ -9,34 +9,17 @@ Monitor::Monitor(QWidget *parent) :
     ui(new Ui::Monitor)
 {
     ui->setupUi(this);
-    QObject::connect(ui->downStairButton, &QPushButton::clicked, [&]() {
-        if (m_currentFloor > 0) {
-            m_currentFloor -= 1;
-            showParkinglot();
-        }
-        if (m_currentFloor == 0)
-            ui->downStairButton->setEnabled(false);
-        if (m_currentFloor == m_parkinglots.size() - 2)
-            ui->upStairButton->setEnabled(true);
-    });
-    QObject::connect(ui->upStairButton, &QPushButton::clicked, [&]() {
-        if (m_currentFloor < m_parkinglots.size() - 1) {
-            m_currentFloor += 1;
-            showParkinglot();
-        }
-        if (m_currentFloor == m_parkinglots.size() - 1)
-            ui->upStairButton->setEnabled(false);
-        if (m_currentFloor == 1)
-            ui->downStairButton->setEnabled(true);
-    });
-    if (m_currentFloor == 0)  // 如果默认楼层就是顶层或者最下一层，把相应的按钮disable
-        ui->downStairButton->setEnabled(false);
-    else if (m_currentFloor == m_parkinglots.size() - 1)
-        ui->upStairButton->setEnabled(false);
+    ParkingLotItem *pk = new ParkingLotItem(Q_NULLPTR, this);
+    QObject::connect(ui->downStairButton, &QPushButton::clicked, pk, &ParkingLotItem::showDownStairFloor);
+    QObject::connect(ui->upStairButton, &QPushButton::clicked, pk, &ParkingLotItem::showUpStairFloor);
+    QObject::connect(pk, &ParkingLotItem::enableUpButton, ui->upStairButton, &QPushButton::setEnabled);
+    QObject::connect(pk, &ParkingLotItem::enableDownButton, ui->downStairButton, &QPushButton::setEnabled);
+    QObject::connect(pk, &ParkingLotItem::setCapacity, ui->capacity, &QLabel::setText);
+    QObject::connect(pk, &ParkingLotItem::setLoad, ui->load, &QLabel::setText);
 
+    pk->showParkingLot();
     QGraphicsScene *scene = new QGraphicsScene(this);  // 创建场景
     ui->view->setScene(scene);
-    ParkingLotItem *pk = new ParkingLotItem(Q_NULLPTR);
     scene->addItem(pk);
 }
 
@@ -44,18 +27,3 @@ Monitor::~Monitor()
 {
     delete ui;
 }
-
-void Monitor::showParkinglot()
-{
-    if (m_parkinglots.at(m_currentFloor) == nullptr) {
-        m_parkinglots[m_currentFloor] = new ParkingLotWidget(this, m_xmlPath.at(m_currentFloor));  // lazy
-        // ui->parkinglotView->addWidget(m_parkinglots.at(m_currentFloor));  // 把当前对象添加进layout
-        m_parkinglots[m_currentFloor]->move(10, 10);
-    }
-    ui->currentFloor->setText("<center>" + m_parkinglots.at(m_currentFloor)->getName() + "</center>"); // 文字
-
-    for (auto p = m_parkinglots.begin(); p != m_parkinglots.end(); p++)
-        if (*p != nullptr)
-            (*p)->hide();
-    m_parkinglots.at(m_currentFloor)->show();
-}