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import QtQuick 2.8
import QtQuick.Controls 2.3
import Style 1.0

Item {
    id: lightSwitch
    property real value: control.checked ? 1.0 : 0.0
    property real lightValue: control.position
    property real currentValue: lightValue.toFixed(1)
    property real lightNum: 0

    width: sizesMap.controlHeight * 2
    height: sizesMap.controlHeight + sliderText.height
    function updateLight(state) {
        control.checked = state
    }

    Text {
        id: sliderText
        anchors.bottom: control.top
        anchors.horizontalCenter: parent.horizontalCenter
        horizontalAlignment: Text.AlignHCenter
        font.pixelSize: sizesMap.fontSize
        color: Style.textColor
        font.bold: true
        style: Text.Outline
        styleColor: Style.sliderBackgroundColor
    }

    Switch {
        id: control
        width: lightSwitch.width
        height: sizesMap.controlHeight

        anchors.left: parent.left
        anchors.verticalCenter: parent.verticalCenter
        anchors.margins: sizesMap.controlMargin / 2
        onClicked: {
            console.log('Clicked on ligth!'+ lightNum)
            knxBackend.toggleLight(lightNum)
        }
        indicator: Rectangle {
            implicitWidth: sizesMap.controlHeight * 2
            implicitHeight: sizesMap.controlHeight
            x: control.leftPadding
            y: control.topPadding + control.availableHeight / 2 - height / 2
            radius: height / 2
            color: control.checked ? Style.sliderSelectionColor : Style.sliderBackgroundColor
            border.color: Style.backgroundColor
            border.width: sizesMap.controlBorderWidth
            opacity: control.enabled ? 1 : 0.3

            Rectangle {
                x: control.checked ? parent.width - width : 0
                width: sizesMap.controlHeight
                height: sizesMap.controlHeight
                radius: height / 2
                antialiasing: true
                color: Style.backgroundColor
                opacity: control.enabled ? 1 : 0.3
                Image {
                    id: handleItemIcon
                    anchors.fill: parent
                    fillMode: Image.PreserveAspectFit
                    anchors.margins: sizesMap.controlMargin / 2
                    anchors.centerIn: parent
                    source: "qml/images/icon_light.png"
                }
            }
        }
    }
}