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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick 2.0
Item {
visible: true
width: 640
height: 480
property ListView listView
Loader {
id: loader
anchors.fill: parent
asynchronous: true
sourceComponent: comp
onStatusChanged: {
if (status == Loader.Ready) {
// Assign the listview to the root prop late, so
// that the c++ part doesn't start before everything is ready.
listView = item.listView
}
}
}
Component {
id: comp
Item {
property alias listView: listView
ListView {
id: listView
model: ListModel {
id: listModel
ListElement { title: "one" }
ListElement { title: "two" }
}
anchors.fill: parent
orientation: ListView.Horizontal
delegate: Item {
id: delegateRoot
objectName: "delegate"
width: 200
height: 200
Component.onCompleted: {
if (index === listModel.count - 1) {
// Add a new item while the outer Loader is still incubating async. If the new model item
// incubates using e.g QQmlIncubator::AsynchronousIfNested, it will also be loaded async, which
// is not currently supported (the item will not be added to the listview, or end up the wrong
// position, depending on its index and the current state of the refill/layout logic in
// QQuickListView).
// We add the new item here at the last delegates Component.onCompleted to hit the point in time
// when the listview is not expecting any more async items. In that case, the item will only be
// added to the list of visible items if incubated synchronously, which gives us something we
// can test for in the auto-test.
listModel.insert(0, {title: "zero"});
}
}
Rectangle {
anchors.fill: parent
border.width: 1
Text {
anchors.centerIn: parent
text: index
}
}
}
}
}
}
}
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