PathView中的QML更改路径及其项的NumberAnimation

import QtQuick 2.0

PathView {
    width: 400
    height: 400

    model: ListModel {
        ListElement { name: "Item 1" }
        ListElement { name: "Item 2" }
        ListElement { name: "Item 3" }
    }

    path: Path {
        startX: 0; startY: 0
        PathLine { x: 200; y: 0 }
        PathLine { x: 200; y: 200 }
        PathLine { x: 0; y: 200 }
        PathLine { x: 0; y: 0 }
    }

    delegate: Rectangle {
        width: 50
        height: 50
        color: "red"
        Text {
            text: model.name
            anchors.centerIn: parent
        }

        NumberAnimation on x {
            from: 0
            to: 200
            duration: 1000
            loops: Animation.Infinite
        }
    }
}