evsGUI.py

"""Graphical user interface based on FreeSimpleGUI( formar PySimpleGUI)."""

import FreeSimpleGUI as sg
import const


#sg.theme('DarkBlue3')
#sg.theme('SystemDefault')
#sg.theme("SystemDefaultForReal")

sg.theme_progress_bar_border_width(1)
barRelief = 'RELIEF_SUNKEN RELIEF'

sg.SetOptions(button_element_size=(11, 1),auto_size_buttons=False, font=('Helvetica', 11, ))

batLevelBar = sg.ProgressBar(100, orientation='h', size=(25, 14), key='-battBar-',
                             relief=barRelief, bar_color=('spring green', '#9898A0'))
chargePwrBar = sg.ProgressBar(const.C_CHARGER_MAX_POWER, orientation='h', size=(25, 14), key='-chargeBar-',
                              relief=barRelief, bar_color=('#00BFFF', '#9898A0'))
solarPwrBar = sg.ProgressBar(6, orientation='h', size=(25, 14), key='-solarBar-',
                             relief=barRelief, bar_color=('yellow', '#9898A0'))
solarPwr2GridBar = sg.ProgressBar(6, orientation='h', size=(25, 14), key='-toGridBar-',
                                  relief=barRelief, bar_color=('yellow', '#9898A0'))
messageText = sg.Text('Initializing ...', key='-MESSAGE-', size=50, text_color='#FDFDFF',
                      background_color ='#64778D', border_width=1)

battDisp = sg.Text(0, size=(4, 1), pad=(0, 0), justification='right', key='-batt-')
solarDisp = sg.Text(0, size=(4, 1), pad=(0, 0), justification='right', key='-solar-')
chargeDisp = sg.Text(0, size=(4, 1), pad=(0, 0), justification='right', key='-charge-')
chargeCurrentDisp = sg.Text(0, size=(4, 1), pad=(0, 0), justification='right', key='-chargeCurr-')
phasesDisp = sg.Text(0, size=(3, 1), pad=(0, 0), justification='right', key='-measuredPhases-')
toGridDisp = sg.Text(0, size=(4, 1), pad=(0, 0), justification='right', key='-toGrid-')
limitText = sg.Text(0, size=(3, 1), pad=(0, 0), justification='right', enable_events=True, key='-limit-')


def LEDIndicator(key=None, radius=30):
    """
    LED widget built as circle.

    :param key: label of selected LED
    :param radius: LED radius in pixels
    :return: LED
    """
    return sg.Graph(canvas_size=(radius, radius),
                    graph_bottom_left=(-radius, -radius),
                    graph_top_right=(radius, radius),
                    pad=(0, 0), key=key)


def SetLED(win, key, color):
    """
    Display Activate LED widget

    :param win: parent window
    :param key: label of selected LED
    :param color: color of selected LED
    :return: none
    """
    graph = win[key]
    graph.erase()
    graph.draw_circle((0, 0), 12, fill_color=color, line_color='black')



limit_sign = '▲'
limit_val = int(0)  # 67 corresponds to 100%

limitSign = sg.Text(limit_val * ' ' + limit_sign, font=("Arial", 12), key='-LIMIT_VAL-', enable_events=True, pad=(0, 0))

col1 =  [
        [sg.Frame(title='Battery Level', size=(530, 80),
                  layout=[
         [batLevelBar, battDisp, sg.Text('% ', pad=0), sg.Text('---', key='-CHARGE_STATE-'),
          sg.Stretch(), LEDIndicator('-LED_CAR-')],
         [limitSign,
          limitText, sg.Text('%', pad=0)]])
         ],
        [sg.Text("")],
        [sg.Frame(title='Charging Power', size=(530,80), layout=[
        [chargePwrBar, chargeDisp, sg.Text('kW', pad=0), chargeCurrentDisp, sg.Text('A', pad=0), phasesDisp, sg.Text('Phase'),
         sg.Stretch(), LEDIndicator('-LED_CHARGER-') ],
        [LEDIndicator('-LED_SOLAR-'),  sg.Text('Solar     ', pad=0),
         LEDIndicator('-LED_FORCED-'), sg.Text('Forced    ', pad=0),
         LEDIndicator('-LED_EXTERN-'), sg.Text('Extern', pad=0)]])],
        [sg.Text("")],

        [sg.Frame(title='Solar Power',  size=(530,80), layout=[
        [solarPwrBar, solarDisp, sg.Text('kW', pad=0), sg.Text('PV total power'), sg.Stretch(), LEDIndicator('-LED_PV-')],
        [solarPwr2GridBar, toGridDisp, sg.Text('kW', pad=0), sg.Text('PV power to grid')]])],
        [sg.Text("")],  # empty line

        [sg.Frame(title='Messages', size=(530,60), layout=[
        [messageText, sg.Stretch(), LEDIndicator('-LED_MSG-')]])]]

layout = [[sg.Column(col1)],
          [sg.Button('Force Charge', disabled=True), sg.Button('Stop Charge', disabled=True),
           sg.Button('PV-Settings'), sg.Button('Quit')]
          ]

# create window`
window = sg.Window('ECOM EVS-1 Smart Solar Charging V' + const.C_APP_VERSION, layout, icon=const.C_LOGO)


def testLayout():
    """Displays main window (static)."""

    while 1:
        event, values = window.read(timeout=200)
        if event == 'Quit' or event == sg.WIN_CLOSED:
            quit()
        window['-battBar-'].UpdateBar(50)
        SetLED(window,'-LED_SOLAR-', 'yellow')
        SetLED(window,'-LED_FORCED-', 'grey')
        SetLED(window,'-LED_EXTERN-', 'grey')
        SetLED(window,'-LED_MSG-', 'grey')
        SetLED(window,'-LED_CAR-', 'grey')
        SetLED(window,'-LED_CHARGER-', 'grey')
        SetLED(window,'-LED_PV-', 'grey')

if __name__ == "__main__":
    testLayout()
    window.close()