def riqikuangxuanxiang(self,zujian:QLineEdit,jiemian:QWidget):
# zujian.setInputMask("0000-00-00") #格式限制
# for i in range(4):
# name = zujian.objectName() + str(i)
# # locals()['v' + str(i)] = i
# print(name)
# self.show_action = zujian.objectName()
# self.rili = jiemian.objectName()
# print(self.show_action)
# print(self.rili)
zj = zujian.objectName()
jm = jiemian.objectName()
self.show_action = locals() #为了生成多个变量
self.rili = locals()
self.show_action[zj] = QAction(self) #创建控件
self.show_action[zj].setIcon(QIcon('ICO/png/1234864.png')) #设置控件图标
zujian.addAction(self.show_action[zj], QLineEdit.TrailingPosition) #控件放置位置
self.show_action[zj].triggered.connect(self.openCalendar) # 信号和槽连接
self.rili[jm] = QCalendarWidget(jiemian)
self.rili[jm].selectedDate() # 获取选中日期，默认当前系统时间
self.rili[jm].setGridVisible(True) # 是否显示日期之间的网格
self.rili[jm].setGeometry(zujian.x(),zujian.y()+zujian.height()+62, 280, 200) #日历控件位置
self.rili[jm].hide() # 隐藏日期控件
# date = self.rili.selectedDate()#获取选中日期，默认当前系统时间
self.rili[jm].clicked[QDate].connect(self.showDate)#clicked[参数]，即定义showDate是传入的参数类型设置
self.rili = self.rili[jm]
class MapWidget(QQuickWidget):
def __init__(self, data, model):
super(MapWidget,
self).__init__(resizeMode=QQuickWidget.SizeRootObjectToView)
self.data = data
self.model = model
self.attribute_button = QPushButton(self)
self.attribute_button.setStyleSheet("color: black")
self.menu = QMenu("Pick an attribute", self)
# Create Menu Options
self.humidity_attribute = QAction("humidity")
self.pressure_attribute = QAction("pressure")
self.temperature_attribute = QAction("temperature")
self.wind_speed_attribute = QAction("wind_speed")
# due to frequent access of dates based on index, we store this data separately
self.uniqueDates = self.data["datetime"].apply(
lambda x: x.split(' ')[0]).unique().tolist()
self.aggregation = 1
self.rootContext().setContextProperty("markermodel", model)
self.rootContext().setContextProperty("MapWidget", self)
qml_path = os.path.join(os.path.dirname(__file__), "map.qml")
self.setSource(QUrl.fromLocalFile(qml_path))
positions = self.get_positions(self.data)
names = self.get_names(self.data)
# get first date of dataset in yy-mm-dd
self.currentDate = self.uniqueDates[0]
# Set Labels
self.date_label = QLabel(
"selected date: " + str(self.currentDate).replace("-", "."), self)
self.date_label.setStyleSheet("color: black")
# Set Previous and Next Buttons
self.previous_button = QPushButton("Previous", self)
self.next_button = QPushButton("Next", self)
self.previous_button.clicked.connect(
partial(self.on_button_clicked, "previous"))
self.next_button.clicked.connect(
partial(self.on_button_clicked, "next"))
values = self.get_values(self.data, "humidity")
colors = self.get_colors(self.data, "humidity")
for i in range(0, len(names)):
geo_coordinates = QGeoCoordinate(positions[i][0], positions[i][1])
name = names[i]
value = values[i]
color = colors[i]
model.append_marker({
"position": geo_coordinates,
"color": color,
"name": name,
"value": value,
"date": self.currentDate
})
self.create_interface()
return
def add_attribute_to_menu(self, attribute_action, attribute):
attribute_action.triggered.connect(lambda: self.clicked(attribute))
self.menu.addAction(attribute_action)
def create_date_picker(self, index):
tmp_time = self.uniqueDates[index]
time_QFormat = tmp_time.split("-")
# date is parsed and converted to int to comply with required format of QDate
date_picker = QDateTimeEdit(
QDate(int(time_QFormat[0]), int(time_QFormat[1]),
int(time_QFormat[2])), self)
date_picker.setDisplayFormat("yyyy.MM.dd")
date_picker.setCalendarPopup(True)
date_picker.setCalendarWidget(QCalendarWidget())
date_picker.resize(date_picker.width() + 20, date_picker.height())
return date_picker
def set_date_pickers(self, slider):
# Set Date Picker for Start of self.slider
date_picker_start = self.create_date_picker(0)
date_picker_start.setToolTip(
"Select the BEGINNING of the time period from which the data is displayed"
)
date_picker_start.move(
slider.property("x") - date_picker_start.width() - 30,
slider.property("y"))
# Set Date Picker for End of self.slider
date_picker_end = self.create_date_picker(-1)
date_picker_end.setToolTip(
"Select the END of the time period from which the data is displayed"
)
date_picker_end.move(
slider.property("x") + slider.property("width") + 30,
slider.property("y"))
# Set Date Pickers Boundaries Based on First and Last Date in Given Data
date_picker_start.setMinimumDate(date_picker_start.date())
date_picker_end.setMinimumDate(date_picker_start.date())
date_picker_start.setMaximumDate(date_picker_end.date())
date_picker_end.setMaximumDate(date_picker_end.date())
return date_picker_start, date_picker_end
def create_interface(self):
self.attribute_button.move(50, 0)
# Create a Menu Option for Each Attribute
self.add_attribute_to_menu(self.humidity_attribute, "humidity")
self.add_attribute_to_menu(self.pressure_attribute, "pressure")
self.add_attribute_to_menu(self.temperature_attribute, "temperature")
self.add_attribute_to_menu(self.wind_speed_attribute, "wind_speed")
self.attribute_button.setMenu(self.menu)
self.attribute_button.resize(self.menu.width() + 50,
self.attribute_button.height())
# Get self.slider from QML File
self.slider = self.rootObject().findChild(QObject, "slider")
# Set Date Pickers
self.date_picker_start, self.date_picker_end = self.set_date_pickers(
self.slider)
self.date_picker_start.dateChanged.connect(lambda: self.change_date(
self.slider, self.self.date_picker_start, self.date_picker_end))
self.date_picker_end.dateChanged.connect(lambda: self.change_date(
self.slider, self.self.date_picker_start, self.date_picker_end))
# Label Holding the Current Date Selected by User
self.date_label.move(
self.slider.property("x") + (self.slider.width() / 2) - 100,
self.slider.property("y") + 30)
self.date_label.adjustSize()
# Set Buttons Position
self.previous_button.setStyleSheet("color: black")
self.previous_button.move(self.slider.property("x"),
self.slider.property("y") + 50)
self.previous_button.adjustSize()
self.next_button.setStyleSheet("color: black")
self.next_button.move(
self.slider.property("x") + self.slider.width() - 70,
self.slider.property("y") + 50)
self.next_button.adjustSize()
jump_label = QLabel("self.slider jump (in days): ", self)
jump_label.setStyleSheet("color: black")
jump_label.move(self.date_label.x(), self.date_label.y() + 40)
jump_label.adjustSize()
self.jump_value = QLineEdit(self)
self.jump_value.move(jump_label.x() + jump_label.width(),
jump_label.y() - 5)
self.jump_value.resize(35, self.jump_value.height())
self.jump_value.editingFinished.connect(
lambda: self.slider.setProperty("stepSize", self.jump_value.text()
))
agg_label = QLabel(self)
agg_label.setStyleSheet("color: black")
agg_label.move(self.date_label.x(), self.jump_value.y() + 40)
agg_label.setText("mean (in days): ")
agg_label.adjustSize()
agg_value = QLineEdit(self)
agg_value.move(self.jump_value.x(), agg_label.y() - 5)
agg_value.resize(35, agg_value.height())
agg_value.editingFinished.connect(
lambda: self.set_agg(agg_value.text()))
# Initialize Visualization
self.humidity_attribute.trigger()
self.change_date(self.slider, self.date_picker_start,
self.date_picker_end)
def on_button_clicked(self, action):
jump_value = int(self.jump_value.text())
slider_value = int(self.slider.property("value"))
current_date = pandas.to_datetime(self.currentDate)
start_date = self.date_picker_start.date().toPython()
end_date = self.date_picker_end.date().toPython()
if action == "next":
if current_date + datetime.timedelta(days=jump_value) <= end_date:
self.slider.setProperty("value", slider_value + jump_value)
self.update_date(int(self.slider.property("value")))
elif action == "previous":
if current_date - datetime.timedelta(
days=jump_value) >= start_date:
self.slider.setProperty("value", slider_value - jump_value)
self.update_date(int(self.slider.property("value")))
@Slot(int)
def update_date(self, value):
self.currentDate = self.uniqueDates[value - 1]
self.date_label.setText("selected date: " +
str(self.currentDate).replace("-", "."))
self.clicked(self.attribute_button.text())
# TODO: visualise time series data, not just int created by aggregation
# TODO: create setting of visualised time period for user
# calculates the difference (in days) between start date and end date and rescales the self.slider
def set_agg(self, value):
self.aggregation = int(value)
self.clicked(self.attribute_button.text())
def change_date(self, slider, date_picker_start, date_picker_end):
dif = self.uniqueDates\
.index(date_picker_end.date().toString("yyyy-MM-dd")) - self.uniqueDates.index(date_picker_start.date().toString("yyyy-MM-dd"))
slider.setProperty("to", dif + 1)
# when button is clicked, changes values in all model items to a different attribute
def clicked(self, attribute):
self.attribute_button.setText(attribute)
values = self.get_values(self.data, attribute)
colors = self.get_colors(self.data, attribute)
for i in range(0, len(values)):
self.model.setData(i, values[i], colors[i], MarkerModel.ValueRole)
@staticmethod
def get_positions(data):
tmp = data.drop_duplicates('city').sort_values(by=['city'])
positions = [[x, y] for x, y in zip(tmp['latitude'], tmp['longitude'])]
return positions
@staticmethod
def get_names(data):
tmp = data.drop_duplicates('city').sort_values(by=['city'])
names = tmp['city'].values.tolist()
return names
# creates an ordered list of aggregated values of a specified attribute
def get_values(self, data, attribute):
data['datetime'] = pandas.to_datetime(data['datetime'])
start_date = pandas.to_datetime(self.currentDate)
end_date = start_date + datetime.timedelta(days=self.aggregation)
tmp = data[data['datetime'] >= start_date]
tmp = tmp[tmp['datetime'] <= end_date]
values = tmp.groupby('city').apply(
lambda x: x[attribute].mean()).values.round(2).tolist()
return values
@staticmethod
def get_colors(data, attribute):
tmp = data.groupby('city').agg({attribute: 'mean'})
max_value = round(tmp[attribute].max())
min_value = round(tmp[attribute].min())
diff = max_value - min_value
step = round(1 / 6 * diff)
if attribute == 'pressure':
attribute_values = {
0: [255, 255, 255],
1: [204, 229, 255],
2: [102, 178, 255],
3: [0, 128, 255],
4: [0, 0, 255],
5: [0, 0, 102],
6: [0, 0, 51]
}
elif attribute == 'temperature':
attribute_values = {
0: [0, 102, 204],
1: [102, 178, 255],
2: [204, 229, 255],
3: [255, 204, 204],
4: [255, 102, 102],
5: [204, 0, 0],
6: [102, 0, 0]
}
# TODO: create more suited colors for humidity and wind speed
elif attribute == 'humidity':
attribute_values = {
0: [0, 102, 204],
1: [102, 178, 255],
2: [204, 229, 255],
3: [255, 204, 204],
4: [255, 102, 102],
5: [204, 0, 0],
6: [102, 0, 0]
}
elif attribute == 'wind_speed':
attribute_values = {
0: [0, 102, 204],
1: [102, 178, 255],
2: [204, 229, 255],
3: [255, 204, 204],
4: [255, 102, 102],
5: [204, 0, 0],
6: [102, 0, 0]
}
values = numpy.array([
min_value, min_value + 1 * step, min_value + 2 * step,
min_value + 3 * step, min_value + 4 * step, min_value + 5 * step,
max_value
])
tmp['distances'] = tmp[attribute].apply(lambda x: abs(x - values))
tmp['index'] = tmp['distances'].apply(lambda x: numpy.argmin(x))
tmp['color'] = tmp['index'].apply(lambda x: attribute_values.get(x))
colors = tmp['color'].tolist()
colors_list = []
for color_tmp in colors:
color = QColor(color_tmp[0], color_tmp[1], color_tmp[2], 255)
colors_list.append(color)
# returns QJSValue
return colors_list
def createAction(self, attribute):
action = QAction(attribute)
action.triggered.connect(self.clicked(attribute))
self.menu.addAction(action)
return action
def create_interface(self):
self.attribute_button.move(50, 0)
# Create a Menu Option for Each Attribute
self.add_attribute_to_menu(self.humidity_attribute, "humidity")
self.add_attribute_to_menu(self.pressure_attribute, "pressure")
self.add_attribute_to_menu(self.temperature_attribute, "temperature")
self.add_attribute_to_menu(self.wind_speed_attribute, "wind_speed")
self.attribute_button.setMenu(self.menu)
self.attribute_button.resize(self.menu.width() + 50,
self.attribute_button.height())
# Get self.slider from QML File
self.slider = self.rootObject().findChild(QObject, "slider")
# Set Date Pickers
self.date_picker_start, self.date_picker_end = self.set_date_pickers(
self.slider)
self.date_picker_start.dateChanged.connect(lambda: self.change_date(
self.slider, self.self.date_picker_start, self.date_picker_end))
self.date_picker_end.dateChanged.connect(lambda: self.change_date(
self.slider, self.self.date_picker_start, self.date_picker_end))
# Label Holding the Current Date Selected by User
self.date_label.move(
self.slider.property("x") + (self.slider.width() / 2) - 100,
self.slider.property("y") + 30)
self.date_label.adjustSize()
# Set Buttons Position
self.previous_button.setStyleSheet("color: black")
self.previous_button.move(self.slider.property("x"),
self.slider.property("y") + 50)
self.previous_button.adjustSize()
self.next_button.setStyleSheet("color: black")
self.next_button.move(
self.slider.property("x") + self.slider.width() - 70,
self.slider.property("y") + 50)
self.next_button.adjustSize()
jump_label = QLabel("self.slider jump (in days): ", self)
jump_label.setStyleSheet("color: black")
jump_label.move(self.date_label.x(), self.date_label.y() + 40)
jump_label.adjustSize()
self.jump_value = QLineEdit(self)
self.jump_value.move(jump_label.x() + jump_label.width(),
jump_label.y() - 5)
self.jump_value.resize(35, self.jump_value.height())
self.jump_value.editingFinished.connect(
lambda: self.slider.setProperty("stepSize", self.jump_value.text()
))
agg_label = QLabel(self)
agg_label.setStyleSheet("color: black")
agg_label.move(self.date_label.x(), self.jump_value.y() + 40)
agg_label.setText("mean (in days): ")
agg_label.adjustSize()
agg_value = QLineEdit(self)
agg_value.move(self.jump_value.x(), agg_label.y() - 5)
agg_value.resize(35, agg_value.height())
agg_value.editingFinished.connect(
lambda: self.set_agg(agg_value.text()))
# Initialize Visualization
self.humidity_attribute.trigger()
self.change_date(self.slider, self.date_picker_start,
self.date_picker_end)
