from PyQt5 import QtWidgets

import db.tasks
import gui.tasks.dialog
from model.task import Task, ValidTaskForm

def open(database, table, update_task_signal, position):
    rows = set([index.row() for index in table.selectedIndexes()])

    menu = QtWidgets.QMenu(table)

    if len(rows) == 1:
        modify_action = menu.addAction(gui.icons.dialog_open(menu.style()), 'modify')
    else:
        modify_action = QtWidgets.QAction(menu)

    delete_action = menu.addAction(gui.icons.trash(menu.style()), 'Delete')

    action = menu.exec_(table.mapToGlobal(position))
    if action == modify_action and len(rows) == 1:
        row = list(rows)[0]
        task = table.model().get_at(row)
        gui.tasks.dialog.update(database, table, update_task_signal, row, task).exec_()
    elif action == delete_action:
        gui.tasks.dialog.show_delete(database, table, rows)