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** This file is part of the test suite of the Qt Toolkit.
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import QtQuick 2.12
import Qt.labs.qmlmodels 1.0

Item {
    id: root
    width: 200
    height: 200

    property alias testModel: testModel

    signal shouldModify()
    signal shouldModifyInvalidRole()
    signal shouldModifyInvalidType()

    function modify() {
        shouldModify();
    }

    function modifyInvalidRole() {
        shouldModifyInvalidRole();
    }

    function modifyInvalidType() {
        shouldModifyInvalidType()
    }

    TableModel {
        id: testModel
        objectName: "testModel"
        rows: [
            [
                { name: "John" },
                { age: 22 }
            ],
            [
                { name: "Oliver" },
                { age: 33 }
            ]
        ]
    }
    TableView {
        anchors.fill: parent
        model: testModel
        delegate: Text {
            id: textItem
            text: model.display

            Connections {
                target: root
                enabled: column === 1
                onShouldModify: model.age = 18
            }

            Connections {
                target: root
                enabled: column === 0
                // Invalid: should be "name".
                onShouldModifyInvalidRole: model.age = 100
            }

            Connections {
                target: root
                enabled: column === 1
                // Invalid: should be string.
                onShouldModifyInvalidType: model.age = "Whoops"
            }
        }
    }
}