datetime:2019/5/23 15:25

author:nzb

列表部件小示例

from PyQt5.QtWidgets import QApplication, QDialog, QLineEdit, QMessageBox, QInputDialog, QListWidget, QVBoxLayout, QPushButton, QHBoxLayout
from PyQt5.QtGui import QIcon
from PyQt5 import QtGui
import sys


class ProgrammingDialog(QDialog):

    def __init__(self, name, prolist = None):
        super(ProgrammingDialog, self).__init__()

        self.setWindowTitle("PyQt5 simple List project")
        self.setWindowIcon(QtGui.QIcon('../img/home.ico'))

        self.name = name

        self.list = QListWidget()

        if prolist is not None:
            self.list.addItems(prolist)
            self.list.setCurrentRow(0)

        vbox = QVBoxLayout()

        for text, slot in (("Add", self.Add),
                           ("Edit", self.Edit),
                           ("Remove", self.Remove),
                           ("Sort", self.Sort),
                           ("Close", self.Close)):
            button = QPushButton(text)
            button.clicked.connect(slot)

            vbox.addWidget(button)

        hbox = QHBoxLayout()
        hbox.addWidget(self.list)
        hbox.addLayout(vbox)
        self.setLayout(hbox)

    def Add(self):
        row = self.list.currentRow()
        title = "Add {0}".format(self.name)
        string, ok = QInputDialog.getText(self, title, title)

        if ok and string is not None:
            self.list.insertItem(row, string)

    def Edit(self):
        row = self.list.currentRow()
        item = self.list.item(row)

        if item is not None:
            title = "Edit {0}".format(self.name)

            string, ok = QInputDialog.getText(self, title, title,
                                              QLineEdit.Normal, item.text())

            if ok and string is not None:
                item.setText(string)

    def Remove(self):
        row = self.list.currentRow()
        item = self.list.item(row)

        if item is None:
            return
        reply = QMessageBox.question(self, "Remove{0}".format(
            self.name), "Remove{0} '{1}'?".format(
            self.name, str(item.text())),
                                     QMessageBox.Yes | QMessageBox.No)

        if reply == QMessageBox.Yes:
            item = self.list.takeItem(row)

            del item

    def Sort(self):
        self.list.sortItems()

    def Close(self):
        self.close()
        # self.accept()


if __name__ == '__main__':
    programming = ["Python", "Java", "PHP", "C++"]
    app = QApplication(sys.argv)
    dialog = ProgrammingDialog("Language", programming)
    dialog.exec_()