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main.py
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import sys
from PyQt5 import QtWidgets, QtGui
from PyQt5.QtCore import QSize, QDate, QPropertyAnimation, QRect, Qt
from PyQt5.QtGui import QIcon, QPixmap
from PyQt5.QtWidgets import QMainWindow,QCompleter,QAction,QLineEdit
from query import Ui_MainWindow
from tool import Utility
from myCalendar import MyCalendar
from stationCodes import StationCodes
bottomSpace = 30 #日历控件距离底部间距
calHeight = 240 #日历高度
checkBoxQSS = '''
QCheckBox{color: white}
QCheckBox::indicator {width: 20px; height: 20px}
QCheckBox::indicator:unchecked {image:url(Pictures/unselect.png)}
QCheckBox::indicator:checked {image:url(Pictures/selected.png)}
'''
class CompleterDelegate(QtWidgets.QStyledItemDelegate):
def initStyleOption(self, option, index):
super(CompleterDelegate, self).initStyleOption(option, index)
option.backgroundBrush = QtGui.QColor('white')
option.palette.setBrush(QtGui.QPalette.Text, QtGui.QColor('black'))
option.displayAlignment = Qt.AlignLeft
class MainWindow(QMainWindow, Ui_MainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.initUI()
def initUI(self):
self.setupUi(self)
self.setupCSSStyle()
self.utility = Utility() #实例化工具类
# self.setFixedSize(QSize(self.width(),self.height())) #禁止拉伸窗口大小
self.winHeight = self.height() # 获取窗体高度，便用
self.setWindowIcon(QIcon('Pictures/train.png')) #设置图标
self.logoLabel.resize(150,150)
self.logoLabel.setScaledContents(True) #图片填满label
self.logoLabel.setPixmap(QPixmap('Pictures/train3.png')) #设置label上的图片
self.exchangeButton.setIcon(QIcon('Pictures/exchange.png')) # 设置Icon
self.exchangeButton.setIconSize(QSize(50, 50)) # 设置交换按钮icon size
self.exchangeButton.clicked.connect(self.exchangePlace)
self.timeButton.setText(self.utility.getDepartureDate()) # 设置出发日期
self.timeButton.setIcon(QIcon('Pictures/calendar.png')) # 设置Icon
self.timeButton.clicked[bool].connect(self.selectDate)
self.isTimeButtonPressed = False #按钮点初始状态
self.studentCheckBox.stateChanged.connect(lambda: self.iSBoxChecked(self.studentCheckBox))
self.highSpeedCheckBox.stateChanged.connect(lambda: self.iSBoxChecked(self.highSpeedCheckBox))
self.stations = StationCodes().getStations()
self.setupLineEdit()
self.initCalendar()
def initCalendar(self):
x = self.timeButton.x() # 获取时间按钮的坐标x
y = self.timeButton.y() + self.timeButton.height()
w = self.timeButton.width()
h = calHeight
self.cal = MyCalendar(self)
self.cal.setGeometry(x, y, w, h)
self.cal.clicked[QDate].connect(self.showDate) # clicked[参数]，即定义showDate是传入的参数类型设置
self.cal.close()
def setupLineEdit(self):
# 增加自动补全
self.completer = QCompleter(self.stations)
self.completer.setFilterMode(Qt.MatchStartsWith) # 起始位置
delegate = CompleterDelegate(self)
self.completer.popup().setStyleSheet("QScrollBar{background:skyBlue;}")
self.completer.popup().setItemDelegate(delegate)
self.setupEditIcon(self.startLineEdit,'始发地')
self.setupEditIcon(self.destinationLineEdit,'目的地')
# def selectStation(self):
#
# self.placeLists = QListWidget(self)
# self.placeLists.setGeometry(QRect(self.startButton.x(),self.startButton.y()+self.startButton.height(),self.startButton.width(),self.height()-self.startButton.y()-self.startButton.height()))
# self.placeLists.addItems(self.stations)
#
# self.placeLists.setSortingEnabled(True)
# # self.placeLists.sortItems() # 排序
# self.placeLists.setCurrentRow(0)
# self.placeLists.setStyleSheet("QListWidget{color:black; background:white}"
# "QListWidget::Item{padding-top:2.5px; padding-bottom:2.5px; }"
# "QListWidget::Item:hover{background:skyblue; }" #下拉滑动背景色
# "QListWidget::item:selected{ color:red; background:skyblue;}" #当前被选择的item背景，颜色
# "QListWidget::item:selected:!active{ background:skyblue; }")
#
# self.placeLists.currentItemChanged.connect(self.selectPlaceItem)
#
# self.placeLists.show()
#
#
# def selectPlaceItem(self):
#
# self.startButton.setText(self.placeLists.currentItem().text())
# self.placeLists.close()
def setupEditIcon(self,lineEdit,placeHolderText):
if lineEdit==self.startLineEdit:
iconPath = 'Pictures/start.png'
else:
iconPath = 'Pictures/destination.png'
lineEdit.setCompleter(self.completer)
lineEdit.setPlaceholderText(placeHolderText)
action = QAction(lineEdit)
action.setIcon(QIcon(iconPath))
lineEdit.addAction(action, QLineEdit.LeadingPosition)
def selectDate(self,pressed):
if self.isTimeButtonPressed == False:
self.cal.show()
self.startRect = QRect(self.geometry().x(), self.geometry().y(), self.width(), self.height())
self.endRect = QRect(self.geometry().x(), self.geometry().y(), self.width(),self.cal.y() + self.cal.height() + bottomSpace)
self.setFrameAnimation(self.startRect, self.endRect)
self.isTimeButtonPressed = True
else:
self.setFrameAnimation(self.endRect, self.startRect)
self.cal.close()
self.isTimeButtonPressed = False
def setFrameAnimation(self, startRect, endRect):
self.animation = QPropertyAnimation(self, b'geometry')
self.animation.setDuration(250)
self.animation.setStartValue(startRect)
self.animation.setEndValue(endRect)
self.animation.start()
def showDate(self,date):
dateStr = date.toString('yyyy-MM-dd')
dateTime = self.utility.stringToDatetime(dateStr)
self.timeButton.setText(self.utility.getDepartureDate(dateTime)) #"yyyy-MM-dd ddd(星期)"
self.setFrameAnimation(self.endRect, self.startRect)
self.isTimeButtonPressed = False
self.cal.close() # 关闭日期控件
def iSBoxChecked(self,checkBox):
if checkBox.isChecked():
checkBox.setStyleSheet(checkBoxQSS + "QCheckBox{color:#d81e06}")
else:
checkBox.setStyleSheet(checkBoxQSS)
if self.studentCheckBox.isChecked():
self.queryButton.setText('查询学生票')
else:
self.queryButton.setText('查询车票')
def exchangePlace(self):
startPlace = self.startLineEdit.text()
self.startLineEdit.setText(self.destinationLineEdit.text())
self.destinationLineEdit.setText(startPlace)
def setupCSSStyle(self):
# self.setStyleSheet("QMainWindow{background-color:white}")
self.setStyleSheet("QMainWindow{border-image: url(Pictures/bg3.jpg)}") #设置背景图
self.exchangeButton.setStyleSheet("QPushButton{background-color:transparent}")
self.queryButton.setStyleSheet('QPushButton{color:white;background-color:#d81e06;border:1px;border-radius:5px}')
self.timeButton.setStyleSheet('QPushButton{text-align:left;color:white;background-color:transparent;qproperty-iconSize: 25px}')
for lineEdit in (self.startLineEdit,self.destinationLineEdit):
lineEdit.setStyleSheet("QLineEdit{border-width:5px;border-radius:5px;font-size:12pt;padding-left:2px;"
"background-color:transparent;color:white;font-familiy:黑体;font-weight:bold;"
"border: 1px solid lightGray;}")
self.highSpeedCheckBox.setStyleSheet(checkBoxQSS)
self.studentCheckBox.setStyleSheet(checkBoxQSS)
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
mainWindow = MainWindow()
mainWindow.show()
sys.exit(app.exec_())