XmlRole

Defines whether this is a key role. Key roles are used to determine whether a set of values should be updated or added to the XML list model when XmlListModel::reload() is called.

See also XmlListModel.

The name for the role. This name is used to access the model data for this role.

For example, the following model has a role named "title", which can be accessed from the view's delegate:

XmlListModel {
    id: xmlModel
    // ...
    XmlRole {
        name: "title"
        query: "title/string()"
    }
}

ListView {
    model: xmlModel
    delegate: Text { text: title }
}

The relative XPath expression query for this role. The query must be relative; it cannot start with a '/'.

For example, if there is an XML document like this:

Here are some valid XPath expressions for XmlRole queries on this document:

    ...

See the W3C XPath 2.0 specification for more information.