jf-roku/components/LibItem.xml

<?xml version="1.0" encoding="utf-8" ?>
<component name="LibItem" extends="Group">
  <children>
    <Label id="itemText" horizAlign="center" font="font:MediumSystemFont" height="75" />
  </children>
  <interface>
    <field id="itemContent" type="node" onChange="itemContentChanged"/>
  </interface>

  <script type="text/brightscript">
  <![CDATA[
  sub Init()
    m.itemText = m.top.findNode("itemText")
    m.itemText.text = "Loading..."

    updateSize()
  end sub

  sub updateSize()
    m.itemText = m.top.findNode("itemText")
    maxSize = m.top.getParent().itemSize
    m.itemText.width = maxSize[0]

    m.itemText.translation = [0, (maxSize[1] / 2) - 15]
  end sub

  function itemContentChanged() as void
    m.itemText = m.top.findNode("itemText")
    itemData = m.top.itemContent
    m.itemText.text = itemData.labelText
    updateSize()
  end function
  ]]>
  </script>

</component>