package gw.rating.rtm.valueprovider
uses gw.api.locale.DisplayKey
uses gw.rating.rtm.domain.PersistenceAdapter

uses java.util.Map

/**
 * Value provider implementation for rate table columns of boolean type.
 * Provides a list of 2 choices representing <code>true</code> and <code>false</code>.
 */
class BooleanValueProvider extends RateTableCellValueProvider {

  construct(column : RateTableColumn) {
    super(column)
  }


  override function getValueMap(args : String[]) : Map<String, String> {
    return {"true" -> DisplayKey.get("Web.Rating.RateFactors.Boolean.True"),
            "false" -> DisplayKey.get("Web.Rating.RateFactors.Boolean.False") }
  }
  
  /**
   * Returns a string array containing 2 values: "true" and "false".
   * 
   * @param bean  is not used
   * @returns an array with 2 strings
   */
  override function getValues(adapter : PersistenceAdapter) : String[] {
    return {"true", "false"}
  }

  /**
   * If <code>code</code> is "true", returns <code>Web.Rating.RateFactors.Boolean.True</code>
   * display key, and <code>Web.Rating.RateFactors.Boolean.False</code> otherwise.
   * <code>bean</code> parameter is ignored.
   * 
   * @param bean  is not used
   * @param code  either "true" or "false"
   */
  override function valueByCode(adapter : PersistenceAdapter, code : String) : String {
    switch (code) {
      case "true" :
        return DisplayKey.get("Web.Rating.RateFactors.Boolean.True")
      case "false":
      default :
        return DisplayKey.get("Web.Rating.RateFactors.Boolean.False")
    }
  }

  /**
   * Always returns <code>false</code>.
   */
  override property get HasCodedValue() : boolean {
    return false  
  }
}