nooLight/SettingsForm.qml

import QtQuick 2.0
import QtQuick.Controls 2.2

Page {
    id: root

    title: qsTr("Settings")

    ListModel {
        id: settingsModel

        ListElement {
            name: "serviceUrl"
            title: qsTr("nooLite service URL")
            inputMethodHint: Qt.ImhUrlCharactersOnly
        }
    }

    ListView {
        model: settingsModel

        anchors.fill: parent

        delegate: SubtitledItemDelegate {
            width: parent.width
            text: model.title
            subtitle: settings[model.name]

            onClicked: inputDialog.open()

            Dialog {
                id: inputDialog

                x: (parent.width - width) / 2
                y: (parent.height - height) / 2
                parent: ApplicationWindow.overlay

                focus: true
                modal: true
                title: model.title
                standardButtons: Dialog.Ok | Dialog.Cancel

                Column {
                    spacing: 20
                    anchors.fill: parent

                    TextField {
                        id: textField

                        width: parent.width
                        focus: true
                        inputMethodHints: Qt.ImhNoAutoUppercase | model.inputMethodHint
                        placeholderText: model.title
                        text: settings[model.name]
                    }
                }

                onAccepted: {
                    settings[model.name] = textField.text
                }
            }
        }
    }
}