我创建了一个包含QLineEdit的自定义对话框。当某些条件在主屏幕上匹配时,对话框将打开,并允许用户输入输入。返回主屏幕后,需要抓取并使用该输入。
在QtDesigner中,我创建了对话框(上面已经有“确定”和“取消”按钮,并添加了一个对象名称为lineEdit的QLineEdit。
另外,我正在使用三个.py文件,其中一个是main_app,它正在导入其他两个文件mainwindow文件和对话框文件(从.ui文件转换而来)以下是我用来在main_app文件中打开对话框的方法。
def open_dialog(self):
Dialog = QtWidgets.QDialog()
ui = sub_search.Ui_Dialog()
ui.setupUi(Dialog)
Dialog.show()
resp = Dialog.exec_()
if resp == QtWidgets.QDialog.Accepted:
print("Accepted!") #this place will be used to do something more once I have
#userinupt from dialog box
直到此结束代码正常工作,我不确定如何返回和使用用户输入以下是我试图从对话框返回lineEdit输入的代码
def get_text_from(self):
if self.lineEdit.text() != "" and self.buttonBox.accepted():
swc = self.lineEdit.text()
return swc
elif self.lineEdit.text() == "" and self.buttonBox.accepted():
warning_message(title="Warning!", message="please provide swc clli,thanks!")
else:
pass
以下是完整的代码,我想根据用户输入放置更多过滤器main_app.py
from PyQt5 import QtWidgets
from PyQt5 import QtCore
from PyQt5.QtWidgets import QMessageBox
import pandas as pd
from pyqt_master_data import search, sub_search
pd.set_option('display.max_rows', None, 'display.max_columns', None)
master_data = pd.read_excel('Master_data.xlsx', 'Shares')
class SearchTool(search.Ui_main, QtWidgets.QMainWindow):
def __init__(self):
super(SearchTool, self).__init__()
self.setupUi(self)
self.push()
def master_data_search(self):
if self.lineEdit.text() != "":
day = self.lineEdit.text().strip()
if day.upper() in "TUESDAY":
self.open_dialog()
else:
day_df = master_data[(master_data.Day.str.contains(day,
case=False, na=False))]
model = PandasModel(day_df)
self.tableView.setModel(model)
def push(self):
self.pushButton.clicked.connect(self.master_data_search)
def open_dialog(self):
Dialog = QtWidgets.QDialog()
ui = sub_search.Ui_Dialog()
ui.setupUi(Dialog)
Dialog.show()
resp = Dialog.exec_()
if resp == QtWidgets.QDialog.Accepted:
print("Accepted!")
sub_search.Ui_Dialog.get_text_from() #do something here
else:
print('rejected')
def warning_message(title="Warning!", message="Please provide input,
thanks!"):
QMessageBox.information(None, title, message)
class PandasModel(QtCore.QAbstractTableModel):
"""
Class to populate a table view with a pandas dataframe
"""
def __init__(self, data, parent=None):
QtCore.QAbstractTableModel.__init__(self, parent)
self._data = data
def rowCount(self, parent=None):
return len(self._data.values)
def columnCount(self, parent=None):
return self._data.columns.size
def data(self, index, role=QtCore.Qt.DisplayRole):
if index.isValid():
if role == QtCore.Qt.DisplayRole:
return str(self._data.values[index.row()][index.column()])
return None
def headerData(self, col, orientation, role):
if orientation == QtCore.Qt.Horizontal and role ==
QtCore.Qt.DisplayRole:
return self._data.columns[col]
return None
if __name__ == "__main__":
app = QtWidgets.QApplication([])
qt_app = SearchTool()
qt_app.show()
app.exec_()
search.py
from PyQt5 import QtCore, QtGui, QtWidgets
class Ui_main(object):
def setupUi(self, main):
main.setObjectName("main")
main.resize(855, 886)
main.setMouseTracking(True)
main.setTabletTracking(True)
self.centralwidget = QtWidgets.QWidget(main)
self.centralwidget.setObjectName("centralwidget")
self.verticalLayout_2 = QtWidgets.QVBoxLayout(self.centralwidget)
self.verticalLayout_2.setObjectName("verticalLayout_2")
self.frame = QtWidgets.QFrame(self.centralwidget)
self.frame.setFrameShape(QtWidgets.QFrame.Box)
self.frame.setFrameShadow(QtWidgets.QFrame.Plain)
self.frame.setObjectName("frame")
self.verticalLayout = QtWidgets.QVBoxLayout(self.frame)
self.verticalLayout.setObjectName("verticalLayout")
self.label = QtWidgets.QLabel(self.frame)
self.label.setAlignment(QtCore.Qt.AlignCenter)
self.label.setObjectName("label")
self.verticalLayout.addWidget(self.label)
self.lineEdit = QtWidgets.QLineEdit(self.frame)
self.lineEdit.setClearButtonEnabled(True)
self.lineEdit.setObjectName("lineEdit")
self.verticalLayout.addWidget(self.lineEdit)
self.pushButton = QtWidgets.QPushButton(self.frame)
font = QtGui.QFont()
font.setBold(True)
font.setItalic(True)
font.setWeight(75)
self.pushButton.setFont(font)
self.pushButton.setObjectName("pushButton")
self.verticalLayout.addWidget(self.pushButton)
self.verticalLayout_2.addWidget(self.frame)
self.frame_2 = QtWidgets.QFrame(self.centralwidget)
self.frame_2.setFrameShape(QtWidgets.QFrame.StyledPanel)
self.frame_2.setFrameShadow(QtWidgets.QFrame.Raised)
self.frame_2.setObjectName("frame_2")
self.verticalLayout_3 = QtWidgets.QVBoxLayout(self.frame_2)
self.verticalLayout_3.setObjectName("verticalLayout_3")
self.frame_3 = QtWidgets.QFrame(self.frame_2)
self.frame_3.setMouseTracking(True)
self.frame_3.setTabletTracking(True)
self.frame_3.setFrameShape(QtWidgets.QFrame.StyledPanel)
self.frame_3.setFrameShadow(QtWidgets.QFrame.Raised)
self.frame_3.setObjectName("frame_3")
self.verticalLayout_4 = QtWidgets.QVBoxLayout(self.frame_3)
self.verticalLayout_4.setObjectName("verticalLayout_4")
self.tableView = QtWidgets.QTableView(self.frame_3)
self.tableView.setMouseTracking(True)
self.tableView.setTabletTracking(True)
self.tableView.setFrameShape(QtWidgets.QFrame.StyledPanel)
self.tableView.setFrameShadow(QtWidgets.QFrame.Plain)
self.tableView.setDragEnabled(True)
self.tableView.setDefaultDropAction(QtCore.Qt.CopyAction)
self.tableView.setSortingEnabled(True)
self.tableView.setObjectName("tableView")
self.verticalLayout_4.addWidget(self.tableView)
self.verticalLayout_3.addWidget(self.frame_3)
self.verticalLayout_2.addWidget(self.frame_2)
main.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(main)
self.menubar.setGeometry(QtCore.QRect(0, 0, 855, 26))
self.menubar.setObjectName("menubar")
main.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(main)
self.statusbar.setObjectName("statusbar")
main.setStatusBar(self.statusbar)
self.retranslateUi(main)
QtCore.QMetaObject.connectSlotsByName(main)
def retranslateUi(self, main):
_translate = QtCore.QCoreApplication.translate
main.setWindowTitle(_translate("main", "MainWindow"))
self.label.setText(_translate("main", "DATA"))
self.lineEdit.setPlaceholderText(_translate("main", "day"))
self.pushButton.setText(_translate("main", "SEARCH"))
sub_search.py
from PyQt5 import QtCore, QtWidgets
from PyQt5.QtWidgets import QMessageBox
class Ui_Dialog(object):
def setupUi(self, Dialog):
Dialog.setObjectName("Dialog")
Dialog.resize(478, 170)
Dialog.setMaximumSize(QtCore.QSize(560, 170))
self.verticalLayout_2 = QtWidgets.QVBoxLayout(Dialog)
self.verticalLayout_2.setObjectName("verticalLayout_2")
self.frame = QtWidgets.QFrame(Dialog)
self.frame.setFrameShape(QtWidgets.QFrame.StyledPanel)
self.frame.setFrameShadow(QtWidgets.QFrame.Raised)
self.frame.setObjectName("frame")
self.verticalLayout = QtWidgets.QVBoxLayout(self.frame)
self.verticalLayout.setObjectName("verticalLayout")
self.label = QtWidgets.QLabel(self.frame)
self.label.setAlignment(QtCore.Qt.AlignCenter)
self.label.setObjectName("label")
self.verticalLayout.addWidget(self.label)
self.lineEdit = QtWidgets.QLineEdit(self.frame)
self.lineEdit.setObjectName("lineEdit")
self.verticalLayout.addWidget(self.lineEdit)
self.verticalLayout_2.addWidget(self.frame)
self.buttonBox = QtWidgets.QDialogButtonBox(Dialog)
self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
self.buttonBox.setCenterButtons(True)
self.buttonBox.setObjectName("buttonBox")
self.verticalLayout_2.addWidget(self.buttonBox)
self.retranslateUi(Dialog)
self.buttonBox.accepted.connect(Dialog.accept)
self.buttonBox.rejected.connect(Dialog.reject)
QtCore.QMetaObject.connectSlotsByName(Dialog)
def get_text_from(self):
if self.lineEdit.text() != "" and self.buttonBox.accepted():
swc = self.lineEdit.text()
return swc
elif self.lineEdit.text() == "" and self.buttonBox.accepted():
warning_message(title="Warning!", message="please provide swc clli,thanks!")
else:
pass
def retranslateUi(self, Dialog):
_translate = QtCore.QCoreApplication.translate
Dialog.setWindowTitle(_translate("Dialog", "Dialog"))
self.label.setText(_translate("Dialog", "TextLabel"))
self.buttonBox.accepted.connect(self.get_text_from)
def warning_message(title="Warning!", message="Please provide input,
thanks!"):
QMessageBox.information(None, title, message)
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
Dialog = QtWidgets.QDialog()
ui = Ui_Dialog()
ui.setupUi(Dialog)
Dialog.show()
sys.exit(app.exec_())
我的问题是如何捕获lineEdit值并在main_app文件中使用。我意识到我还有很多东西要学习,所以如果有人能指出正确的方向,那将是很棒的。我的起步不错,但是我不确定如何完成此操作。
提前感谢!
您可以尝试这样的事情: