mainwindow.py 文件源码

def removeQueue(self, menu):
        # show Warning message to user.
        # checks persepolis_setting first!
        # perhaps user was checking "do not show this message again"
        remove_warning_message = self.persepolis_setting.value(
            'MainWindow/remove-queue-warning', 'yes')

        if remove_warning_message == 'yes':
            self.remove_queue_msgBox = QMessageBox()
            self.remove_queue_msgBox.setText('<b><center>This operation will remove \
                    all download items in this queue<br>from "All Downloads" list!</center></b>')

            self.remove_queue_msgBox.setInformativeText("<center>Do you want to continue?</center>")
            self.remove_queue_msgBox.setStandardButtons(QMessageBox.Yes | QMessageBox.No)
            self.remove_queue_msgBox.setIcon(QMessageBox.Warning)
            dont_show_checkBox = QtWidgets.QCheckBox("don't show this message again")
            self.remove_queue_msgBox.setCheckBox(dont_show_checkBox)
            reply = self.remove_queue_msgBox.exec_()

            # if user checks "do not show this message again!", change persepolis_setting!
            if self.remove_queue_msgBox.checkBox().isChecked():
                self.persepolis_setting.setValue(
                        'MainWindow/remove-queue-warning', 'no')

            # do nothing if user clicks NO
            if reply != QMessageBox.Yes:
                return


        # find name of queue
        current_category_tree_text = str(current_category_tree_index.data())

        if current_category_tree_text == 'Scheduled Downloads':
            error_messageBox = QMessageBox()
            error_messageBox.setText(
                    "<b>Sorry! You can't remove default queue!</b>")
            error_messageBox.setWindowTitle('Error!')
            error_messageBox.exec_()

            return


        if current_category_tree_text != 'All Downloads' and current_category_tree_text != 'Single Downloads':

            # remove queue from category_tree
            row_number = current_category_tree_index.row()
            self.category_tree_model.removeRow(row_number)

            # delete category from data base
            self.persepolis_db.deleteCategory(current_category_tree_text)


        # highlight "All Downloads" in category_tree
        all_download_index = self.category_tree_model.index(0, 0)
        self.category_tree.setCurrentIndex(all_download_index)
        self.categoryTreeSelected(all_download_index)


    # this method starts the queue that is selected in category_tree