Weird binding for hooking on the QueryDialog's link click

Component.onCompleted: {
        var messageTextElement = aboutDialog.children[0].children[1].children[0].children[0].children[0].children[0].children[0]
        messageTextElement.linkActivated.connect( function(link) {
                                                     console.log("main: link activated: " + link)
                                                     Qt.openUrlExternally(link)
                                                 }
                                                 )
    }