Flex - Sending a parameter to a custom ItemRenderer?

Question

What I am trying to accomplish to to get financial data in my Flex Datagrid to be color-coded--green if it\'s positive; red if it\'s negative. This would be fairly straight

Answer 1

I vote up for cliff.meyers' answer.

Here's another example on setting the properties of an itemRenderer from MXML by building a function that wraps a ClassFactory around the itemRenderer class and that injects the necessary properties.

The static function:

public static function createRendererWithProperties(renderer:Class,
properties:Object ):IFactory {
  var factory:ClassFactory = new ClassFactory(renderer); 
  factory.properties = properties;
  return factory;
}

A simple example that adds a Tooltip to each item in a list:

Reference:
http://cookbooks.adobe.com/post_Setting_the_properties_of_an_itemRenderer_from_MXM-5762.html