qtdeclarative/tests/auto/qml/qmlcppcodegen/data/signalIndexMismatch.qml

49 lines
1.5 KiB
QML

import QtQuick
import QtQml.Models
Item {
property var visualIndexBeforeMove: [-1, -1, -1]
property var visualIndexAfterMove: [-1, -1, -1]
DelegateModel {
id: visualModel
model: ListModel {
ListElement { name: "Apple (id 0)" }
ListElement { name: "Orange (id 1)" }
ListElement { name: "Banana (id 2)" }
}
delegate: DropArea {
id: delegateRoot
required property string name
// property that was not updated correctly in QTBUG-104047
readonly property int visualIndex: DelegateModel.itemsIndex
Rectangle {
id: child
readonly property int visualIndex: delegateRoot.visualIndex
}
}
}
Repeater {
id: root
model: visualModel
}
Component.onCompleted: {
visualIndexBeforeMove[0] = root.itemAt(0).visualIndex
visualIndexBeforeMove[1] = root.itemAt(1).visualIndex
visualIndexBeforeMove[2] = root.itemAt(2).visualIndex
visualModel.items.move(2, 0)
// test that bindings on the QQmlDelegateModelAttached are captured properly:
// after the move, the visualIndex property should be updated to the new value,
// which in this case is also the index used in itemAt()
visualIndexAfterMove[0] = root.itemAt(0).visualIndex
visualIndexAfterMove[1] = root.itemAt(1).visualIndex
visualIndexAfterMove[2] = root.itemAt(2).visualIndex
}
}