Revision control
Copy as Markdown
// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import QtQuick
import Qt.labs.qmlmodels
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()
}
TreeView {
anchors.fill: parent
model: TestModel {
id: testModel
}
Component.onCompleted: {
expandRecursively()
}
delegate: Text {
id: textItem
text: model.display
Connections {
target: root
enabled: column === 1
function onShouldModify() { model.display = 18 }
}
Connections {
target: root
enabled: column === 0
// Invalid: checked is not a role.
function onShouldModifyInvalidRole() { model.checked = true }
}
Connections {
target: root
enabled: column === 1
// Invalid: should be int.
function onShouldModifyInvalidType() { model.display = "Whoops" }
}
}
}
}