FluentUI/src/controls/FluExpander.qml

import QtQuick 2.15
import FluentUI 1.0

Item {


    property string  headerText: "Titlte"
    property bool expand: false

    id:root
    height: layout_header.height + container.height
    width: 400

    property int contentHeight : 300

    default property alias content: container.data

    Rectangle{
        id:layout_header
        width: parent.width
        height: 50
        radius: 4
        border.color: FluTheme.isDark ? Qt.rgba(53/255,53/255,53/255,1) : Qt.rgba(240/255,240/255,240/255,1)
        color: FluTheme.isDark ? Qt.rgba(61/255,61/255,61/255,1) : Qt.rgba(254/255,254/255,254/255,1)


        MouseArea{
            id:root_mouse
            anchors.fill: parent
            hoverEnabled: true
            onClicked: {
                expand = !expand
            }
        }

        FluText{
            text: headerText
            anchors{
                verticalCenter: parent.verticalCenter
                left: parent.left
                leftMargin: 15
            }
        }

        FluIconButton{
            anchors{
                verticalCenter: parent.verticalCenter
                right: parent.right
                rightMargin: 15
            }
            hoverColor: FluTheme.isDark ? Qt.rgba(73/255,73/255,73/255,1) : Qt.rgba(245/255,245/255,245/255,1)
            normalColor: FluTheme.isDark ? Qt.rgba(61/255,61/255,61/255,1) : Qt.rgba(254/255,254/255,254/255,1)
            hovered: root_mouse.containsMouse
            icon: expand ? FluentIcons.FA_angle_up : FluentIcons.FA_angle_down
            onClicked: {
                expand = !expand
            }
        }

    }


    Rectangle{
        id:container
        width: parent.width
        clip: true
        anchors{
            top: layout_header.bottom
            left: layout_header.left
        }
        radius: 4
        border.color: FluTheme.isDark ? Qt.rgba(53/255,53/255,53/255,1) : Qt.rgba(240/255,240/255,240/255,1)
        color: FluTheme.isDark ? Qt.rgba(57/255,57/255,57/255,1) : Qt.rgba(249/255,249/255,249/255,1)
        height: expand ? contentHeight : 0
        Behavior on height {
            NumberAnimation{
                duration: 150
            }
        }
    }

}