screens.kv

#:import Factory kivy.factory.Factory

#<FilechooserPopup>
#    id: file_popup
#    auto_dismiss: False
#    size_hint: 0.8, 0.8
#    pos_hint: {'x': 0.1, 'top': 0.9}
#    title: 'Choose a file to open'
#    BoxLayout:
#        orientation: 'vertical'
#        FileChooserListView:
#            id: filechooser
#            on_selection: Factory.DataScreen().load_data(filechooser.selection)
#            #on_selection: self.load_data(filechooser.selection)
#            #on_selection: app.on_choosing_file(filechooser.selection)
#            #on_selection: file_popup.selected(filechooser.selection)
#            on_selection: root.dismiss()
#        BoxLayout:
#            orientation: 'horizontal'
#            size_hint: 1, 0.1
#            #height: 0.4
#            pos_hint: {'top': 1}
#            Button:
#                text: "close"
#                size_hint: 0.5, 0.7
#                font_size: 16
#                on_release: root.dismiss()
#                #on_release: root.dismiss()


<ConnectScreen>
    name: 'connection'
    MDBoxLayout:
        padding: '20dp'
        spacing: '10dp'
        orientation: 'vertical'
        adaptive_layout: True


        MDLabel:
            text: root.connected_string
            pos_hint: {'center_x': 0.5, 'center_y': 0.5}
            halign: 'center'
            size_hint: 1, None
            height: self.texture_size[1]
        MDTextField:
            id: connect_text_field
            hint_text: "OPC UA address"
            text: "opc.tcp://192.168.0.2:4840/freeopcua/server/"
            multiline: False
            pos_hint: {'center_x': 0.5, 'center_y': 0.5}
            size_hint_x: 0.99
        MDIconButton:
            id: connect_button
            icon: 'connection'
            pos_hint: {'center_x': 0.5, 'center_y': 0.5}
            # user_font_size: "24sp"
            on_release: root.on_connect()
        Widget:

        Widget:


<DataScreen>:
    name: 'data'
    MDGridLayout:
        cols: 3

        AnchorLayout:
            size_hint_y: None
            height:
            MDFillRoundFlatButton:
                text: "Save data"
                pos_hint: {'center_x': 0.5, 'center_y': 0.5}
                on_release: root.export_data(self)

        AnchorLayout:
            size_hint_y: None
            height:
            MDFillRoundFlatButton:
                text: "Download data"
                pos_hint: {'center_x': 0.1, 'center_y': 0.5}
                on_release: root.update_table_from_server(self)

        AnchorLayout:
            size_hint_y: None
            height:
            MDFillRoundFlatButton:
                text: "Load data"
                pos_hint: {'center_x': 0.1, 'center_y': 0.5}
                on_release: root.open_popup()
                #on_release: Factory.FilechooserPopup().open()

    MDBoxLayout:
        id: table_box
        size: self.size
        size_hint: 1, (root.height - 60)/root.height
        adaptive_width: True
        adaptive_height: True


<ControlScreen>:
    name: 'control'

    MDBoxLayout:
        orientation: 'vertical'
        spacing: '30dp'
        padding: '30dp'
        padding_bottom: '100dp'

        MDFillRoundFlatButton:
            id: motor_start
            text: 'Start motor'
            size_hint: None, None
            height: '200dp'
            pos_hint: {'center_x': 0.5}
            font_size: 24
            on_release: root.motor_start()

        MDFillRoundFlatButton:
            id: motor_stop
            text: 'Stop motor'
            size_hint: None, None
            height: '200dp'
            pos_hint: {'center_x': 0.5}
            font_size: 24
            on_release: root.motor_stop()

        MDLabel:
            padding_top: 50
            text: "Set speed 0-100%"
            pos_hint: {'center_x': 0.5, 'center_y': 0}
            size_hint: 1, None
            height: self.texture_size[1]
            halign: 'center'
            font_size: 20
            font_style: 'H5'

        MDSlider:
            id: speed_slider
            min: 0
            max: 100
            active: True
            value: 0
            size_hint: 0.8, None
            pos_hint: {'center_x': 0.5}
            on_active: root.slider_change(self)

        MDFillRoundFlatButton:
            id: error_acknowledge
            text: 'Error ack'
            size_hint: None, None
            height: '200dp'
            pos_hint: {'center_x': 0.5, 'center_y': 0}
            font_size: 18
            on_release: root.error_acknowledge()

        Widget:


<StatisticsScreen>:
    name: 'statistics'
    MDLabel:
        text: ''

<AboutScreen>:
    name: 'about'
    BoxLayout:
        orientation: 'vertical'
        spacing: '10dp'
        padding: '10dp'
        size_hint_x: 0.8
        pos_hint: {'center_x': 0.5, 'center_y': 0.5}
        MDLabel:
            text: 'This is a demo application that presents the possibility of integrating Siemens S7-1200 with Python through OPC-UA protocol.'
            font_style: 'Subtitle1'
            pos_hint: {'center_x': 0.5}
        MDLabel:
            text: '© 2022, SNS Automatyk\nautomatyk@pwr.edu.pl'
            font_style: 'Subtitle1'
            size_hint_y: None
            height: self.texture_size[1]
            post_hint: {'center_x': 0.5}
        MDLabel:
            text: 'Authors:\nGrzegorz Radziwiłko  Mariusz Sokołowski'
            font_style: 'Subtitle1'
            size_hint_y: None
            height: self.texture_size[1]
            pos_hint: {'center_x': 0.5}
        Widget: