package  {
          /*
  	 * @ax-actionscript-application-flickr-ui-search-SearchValidator
  	 *
  	 *        The @ax-actionscript-application-flickr-ui-search-SearchValidator is used by the SearchPanel to check the tags
  	 *        and userName fields to make sure both are not blank. Either of them
  	 *        can be empty, just not both of them.
  	 */
          import mx.validators.Validator;
          import mx.validators.ValidationResult;
  
          public class @ax-actionscript-application-flickr-ui-search-SearchValidator extends Validator {
                  
                  private var results:Array;
                  
                  public function @ax-actionscript-application-flickr-ui-search-SearchValidator() {
                          super();
                  }
                  
                  public var userName:String;
                  public var tags:String;
                  
                  override protected function doValidation(value:Object) : Array
                  {
                          var tagField:String = tags;
                          var userField:String= userName;
                          
                          // Clear results Array.
              results = [];
              
              // make sure both fields are not empty. Either field may
              // be empty, but both cannot be empty.
              if( (tagField == null || tagField.length == 0) &&
                      (userField == null || userField.length == 0) ) {
                              results.push(
                                      new ValidationResult(true,"sub","code",
                                      "Either search tags or user name may be blank, but not both"));
              }
              
              return results;
                  }
                  
          }
  }