protected static bool TryGetFilterLengthParam(DB.BuiltInParameter paramId, double pattern, out DB.ElementFilter filter)
{
var rule = new DB.FilterDoubleRule
(
new DB.ParameterValueProvider(new DB.ElementId(paramId)),
new DB.FilterNumericEquals(),
pattern,
Revit.VertexTolerance
);
filter = new DB.ElementParameterFilter(rule, false);
return(true);
}
/// <summary>
/// Creates a ElementFilter that passes elements with a number based parameter that match the provided FilterNumericRuleEvaluator. The filter should then be passed to a Collector node and the Collector retrieves elements that pass the filter.
/// </summary>
/// <param name="parameterId">The ElementId as an int of the parameter to search.</param>
/// <param name="value">Value of the parameter to search for.</param>
/// <param name="tolerance">Tolerance on how close tot he value a match should be.</param>
/// <param name="filterNumberRule">Revit FilterNumberRuleEvaluator that determines how to search the parameter.</param>
/// <param name="inverted">If true, the filter elements NOT matching the filter criteria are chosen.</param>
/// <returns name="ElementFilter">An Element Filter. The filter should then be passed to a Collector node and the Collector retrieves elements that pass the filter.</returns>
public static revitDB.ElementFilter FilterElementNumberParameter(
int parameterId,
double value,
[DefaultArgument("0.0001")] double tolerance,
revitDB.FilterNumericRuleEvaluator filterNumberRule,
[DefaultArgument("false")] bool inverted)
{
revitDB.ParameterValueProvider provider = new revitDB.ParameterValueProvider(new revitDB.ElementId(parameterId));
if (filterNumberRule != null)
{
revitDB.FilterRule filterRule = new revitDB.FilterDoubleRule(provider, filterNumberRule, value, tolerance);
return(new revitDB.ElementParameterFilter(filterRule, inverted));
}
else
{
return(null);
}
}
protected override void TrySolveInstance(IGH_DataAccess DA)
{
var parameterKey = default(Types.ParameterKey);
if (!DA.GetData("ParameterKey", ref parameterKey))
{
return;
}
DA.DisableGapLogic();
if (!TryGetParameterDefinition(parameterKey.Document, parameterKey.Id, out var storageType, out var parameterType))
{
if (parameterKey.Id.TryGetBuiltInParameter(out var builtInParameter))
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, $"Failed to found parameter '{DB.LabelUtils.GetLabelFor(builtInParameter)}' in Revit document.");
}
else
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, $"Failed to found parameter '{parameterKey.Id.IntegerValue}' in Revit document.");
}
return;
}
var provider = new DB.ParameterValueProvider(parameterKey);
DB.FilterRule rule = null;
if (storageType == DB.StorageType.String)
{
DB.FilterStringRuleEvaluator ruleEvaluator = null;
switch (Condition)
{
case ConditionType.NotEquals:
case ConditionType.Equals: ruleEvaluator = new DB.FilterStringEquals(); break;
case ConditionType.Greater: ruleEvaluator = new DB.FilterStringGreater(); break;
case ConditionType.GreaterOrEqual: ruleEvaluator = new DB.FilterStringGreaterOrEqual(); break;
case ConditionType.Less: ruleEvaluator = new DB.FilterStringLess(); break;
case ConditionType.LessOrEqual: ruleEvaluator = new DB.FilterStringLessOrEqual(); break;
}
var goo = default(GH_String);
if (DA.GetData("Value", ref goo))
{
rule = new DB.FilterStringRule(provider, ruleEvaluator, goo.Value, true);
}
}
else
{
DB.FilterNumericRuleEvaluator ruleEvaluator = null;
switch (Condition)
{
case ConditionType.NotEquals:
case ConditionType.Equals: ruleEvaluator = new DB.FilterNumericEquals(); break;
case ConditionType.Greater: ruleEvaluator = new DB.FilterNumericGreater(); break;
case ConditionType.GreaterOrEqual: ruleEvaluator = new DB.FilterNumericGreaterOrEqual(); break;
case ConditionType.Less: ruleEvaluator = new DB.FilterNumericLess(); break;
case ConditionType.LessOrEqual: ruleEvaluator = new DB.FilterNumericLessOrEqual(); break;
}
switch (storageType)
{
case DB.StorageType.Integer:
{
var goo = default(GH_Integer);
if (DA.GetData("Value", ref goo))
{
rule = new DB.FilterIntegerRule(provider, ruleEvaluator, goo.Value);
}
}
break;
case DB.StorageType.Double:
{
var goo = default(GH_Number);
if (DA.GetData("Value", ref goo))
{
if (Condition == ConditionType.Equals || Condition == ConditionType.NotEquals)
{
if (parameterType == DB.ParameterType.Length || parameterType == DB.ParameterType.Area || parameterType == DB.ParameterType.Volume)
{
rule = new DB.FilterDoubleRule(provider, ruleEvaluator, ToHost(goo.Value, parameterType), ToHost(Revit.VertexTolerance, parameterType));
}
else
{
rule = new DB.FilterDoubleRule(provider, ruleEvaluator, ToHost(goo.Value, parameterType), 1e-6);
}
}
else
{
rule = new DB.FilterDoubleRule(provider, ruleEvaluator, ToHost(goo.Value, parameterType), 0.0);
}
}
}
break;
case DB.StorageType.ElementId:
{
switch (parameterType)
{
case (DB.ParameterType) int.MaxValue: // Category
{
var value = default(Types.Category);
if (DA.GetData("Value", ref value))
{
rule = new DB.FilterElementIdRule(provider, ruleEvaluator, value);
}
}
break;
case DB.ParameterType.Material:
{
var value = default(Types.Material);
if (DA.GetData("Value", ref value))
{
rule = new DB.FilterElementIdRule(provider, ruleEvaluator, value);
}
}
break;
case DB.ParameterType.FamilyType:
{
var value = default(Types.ElementType);
if (DA.GetData("Value", ref value))
{
rule = new DB.FilterElementIdRule(provider, ruleEvaluator, value);
}
}
break;
default:
{
var value = default(Types.Element);
if (DA.GetData("Value", ref value))
{
rule = new DB.FilterElementIdRule(provider, ruleEvaluator, value);
}
}
break;
}
}
break;
}
}
if (rule is object)
{
if (Condition == ConditionType.NotEquals)
{
DA.SetData("Rule", new DB.FilterInverseRule(rule));
}
else
{
DA.SetData("Rule", rule);
}
}
}