l1.5-safety-system/safety_master_plugin/scripts/qt_master_wrapper.py

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#!/usr/bin/env python
import os
import rospy
import rospkg
import math
import datetime
from enums.clutch_state import ClutchState as CS
from enums.stop_state import StopState as SS
from python_qt_binding.QtGui import QPixmap
from python_qt_binding.QtGui import QTextCursor
from python_qt_binding.QtWidgets import QMessageBox
class QtWrapper:
def __init__(self,widget):
self.widget = widget
self.displayed_robots_id_list = []
self.disable_sliders_tracking()
# self.set_sliders_to_initial_values()
self.master_stop_state = None
# self.ok_pixmap = QPixmap('/home/olek/safetysystemL1.5/src/SafetySystem/safety_user_plugin/ui/Ok.jpg')
# self.cancel_pixmap = QPixmap('/home/olek/safetysystemL1.5/src/SafetySystem/safety_user_plugin/ui/Cancel.jpg')
def set_sliders_to_initial_values(self):
raise NotImplementedError
def disable_sliders_tracking(self):
self.widget.distanceSlider.setTracking(False)
self.widget.angularSlider.setTracking(False)
self.widget.linearSlider.setTracking(False)
def set_master_stop_state_updated_callback(self,callback_function):
self.master_stop_state_updated_callback = callback_function
def set_restrictions_updated_callback(self,callback_function):
self.restrictions_updated_callback = callback_function
def handle_restrictions_update(self):
raise NotImplementedError
# restrictions = Restrictions()
# Do something
# self.restrictions_updated_callback(restrictions)
def connect_signals(self):
# self.widget.distanceSlider.valueChanged.connect(self.handle_restrictions_update)
# self.widget.angularSlider.valueChanged.connect(self.handle_restrictions_update)
# self.widget.linearSlider.valueChanged.connect(self.handle_restrictions_update)
self.widget.masterstopButton.clicked.connect(self.handle_masterstopButton_clicked)
# def handle_emitted_signal(self,method_name):
# exec('self.{0}()'.format(method_name))
# def handle_emitted_signal_with_list_argument(self,method_name,argument):
# if method_name == 'update_selected_robot_info':
# self.update_selected_robot_info(argument[0])
# else:
# method_with_argument = 'self.{0}({1})'.format(method_name,argument[0])
# exec(method_with_argument)
def handle_masterstopButton_clicked(self):
if self.master_stop_state == SS.RUNNING:
self.master_stop_state_updated_callback()
else:
reply = QMessageBox.warning(self.widget,"UWAGA","Na pewno chcesz odblokowac wszystkie roboty?",QMessageBox.Yes,QMessageBox.No)
if reply == QMessageBox.Yes:
self.master_stop_state_updated_callback()
def display_master_stop_on(self):
self.widget.masterstopButton.setStyleSheet("QPushButton { color: black; background-color: green; font: bold 20px}")
self.widget.masterstopButton.setText('Zatrzymaj roboty')
def display_master_stop_off(self):
self.widget.masterstopButton.setStyleSheet("QPushButton { color: black; background-color: red; font: bold 20px}")
self.widget.masterstopButton.setText('Odblokuj roboty')
def update_robots_list_gui(self,robots_id_list):
robots_id_list.sort()
id_strings_list = (('PIONIER'+str(x)) for x in robots_id_list)
robots_to_add = []
robots_to_remove = []
for robot_id in robots_id_list:
if robot_id not in self.displayed_robots_id_list:
robots_to_add.append(robot_id)
for robot_id in self.displayed_robots_id_list:
if robot_id not in robots_id_list:
robots_to_remove.append(robot_id)
for robot_id in robots_to_remove:
self.remove_robot_from_list(robot_id)
for robot_id in robots_to_add:
self.add_robot_to_list(robot_id)
# def remove_robot_from_list(self,robot_id):
# count = self.widget.robotsList.count()
# for i in range(count):
# if str(robot_id) in self.widget.robotsList.itemText(i):
# self.widget.robotsList.removeItem(i)
# self.displayed_robots_id_list.remove(robot_id)
# return
# def add_robot_to_list(self,robot_id):
# self.widget.robotsList.addItem('PIONIER'+str(robot_id))
# self.displayed_robots_id_list.append(robot_id)
def master_stopped(self):
self.master_stop_state = SS.STOPPED
self.display_master_stop_off()
self.log_info('Przycisk masterSTOP zostal nacisniety. Zatrzymuje roboty')
def master_started(self):
self.master_stop_state = SS.RUNNING
self.display_master_stop_on()
self.log_info('Przycisk masterSTOP odcisniety')
def log_info(self,info_text):
time = datetime.datetime.now().strftime('[%H:%M:%S]')
cursor = self.widget.logsBrowser.textCursor()
cursor.movePosition(QTextCursor.End)
self.widget.logsBrowser.setTextCursor(cursor)
self.widget.logsBrowser.insertHtml('<font color="black">' + str(time) + '. ' + info_text + '</font><br>')
self.scroll_to_bottom()
# self.widget.logsBrowser.insertHtml(str(self.logger_counter) + '\t[INFO]\t' + info_text)
def log_warning(self,warning_text):
time = datetime.datetime.now().strftime('[%H:%M:%S]')
cursor = self.widget.logsBrowser.textCursor()
cursor.movePosition(QTextCursor.End)
self.widget.logsBrowser.setTextCursor(cursor)
self.widget.logsBrowser.textCursor().movePosition(QTextCursor.End)
self.widget.logsBrowser.insertHtml('<font color="orange">' + str(time) + '. ' + warning_text + '</font><br> ')
self.scroll_to_bottom()
# self.widget.logsBrowser.append(str(self.logger_counter) + '\t[WARN]\t' + warning_text)
def log_error(self,error_text):
time = datetime.datetime.now().strftime('[%H:%M:%S]')
cursor = self.widget.logsBrowser.textCursor()
cursor.movePosition(QTextCursor.End)
self.widget.logsBrowser.setTextCursor(cursor)
self.widget.logsBrowser.textCursor().movePosition(QTextCursor.End)
self.widget.logsBrowser.insertHtml('<font color="red">' + str(time) + '. ' + error_text + '</font><br>')
self.scroll_to_bottom()
# self.widget.logsBrowser.append(str(self.logger_counter) + '\t[ERROR]\t' + error_text)
def scroll_to_bottom(self):
scrollbar = self.widget.logsBrowser.verticalScrollBar()
scrollbar.setValue(scrollbar.maximum())