/// <summary>
/// Adds a new rule to the set of dashboard rules
/// </summary>
/// <param name="rule">The rule to add</param>
/// <returns>Boolean; whether the addition was successful</returns>
public bool AddRule(IDashboardRule rule)
{
#region Input Validation
if (rule == null || string.IsNullOrEmpty(rule.FriendlyRule))
{
throw new ArgumentNullException("rule");
}
#endregion // Input Validation
// check for duplicate rules
foreach (DataRow row in RuleTable.Rows)
{
IDashboardRule rRule = (IDashboardRule)row[COLUMN_RULE];
if (rRule.FriendlyRule.Equals(rule.FriendlyRule))
{
// cannot add a duplicate rule, so return false
return(false);
}
}
// find the highest run order value of all the rules presently in the table
int maxInt = int.MinValue;
foreach (DataRow row in RuleTable.Rows)
{
int value = row.Field <int>(COLUMN_RUN_ORDER);
maxInt = Math.Max(maxInt, value);
}
RuleTable.Rows.Add(maxInt + 1, rule);
// sort by run order
this.ruleTable = RuleTable.Select("", COLUMN_RUN_ORDER).CopyToDataTable().DefaultView.ToTable("RuleTable");
if (rule is DataAssignmentRule)
{
DataAssignmentRule assignRule = rule as DataAssignmentRule;
if (!dashboardHelper.TableColumnNames.ContainsKey(assignRule.DestinationColumnName))
{
dashboardHelper.TableColumnNames.Add(assignRule.DestinationColumnName, assignRule.DestinationColumnType);
}
}
return(true);
}
