protected override void GenerateConditions(IWorldState worldState)
{
Merchant merchant = worldState.GetMerchant(merchantId);
conditions = new List <Condition>();
MoneyCondition moneyCond = new MoneyCondition(buyerId, merchant.saleEntries[saleEntryIndex].price);
conditions.Add(moneyCond);
LocationCondition locationCond = new LocationCondition(buyerId, merchant.position);
conditions.Add(locationCond);
}
public void RunQuery()
{
// ��ȡ��ͼӦ�ó��������̶���
MapApplication mapApi = HostMapApplicationServices.Application;
ProjectModel proj = mapApi.ActiveProject;
DrawingSet drawingSet = proj.DrawingSet;
//������ͼ�μ��߽�
proj.DrawingSet.ZoomExtents();
//ʹ��LocationCondition������һ����ѯ����
LocationCondition qryCondition = new LocationCondition ();
qryCondition.LocationType = LocationType.LocationInside ;
qryCondition.JoinOperator = JoinOperator .OperatorAnd ;
// ����Բ�߽�
CircleBoundary boundary = null;
PromptPointResult pointRes = Utility.AcadEditor.GetPoint("\nѡ��ԭ��: ");
if (pointRes.Status == PromptStatus.OK)
{
Point3d point = pointRes.Value;
PromptDistanceOptions distOptions = new PromptDistanceOptions("\nѡ��뾶: ");
distOptions.BasePoint = point;
distOptions.UseBasePoint = true;
distOptions.DefaultValue = 0.0;
PromptDoubleResult doubleRes = Utility.AcadEditor.GetDistance(distOptions);
if (doubleRes.Status == PromptStatus.OK)
{
double rad = doubleRes.Value;
boundary = new CircleBoundary(new Point3d(point.X, point.Y, 0.0), rad);
}
}
//
qryCondition.Boundary = boundary;
//����һ��������֧
QueryBranch qryBranch = QueryBranch.Create ();
qryBranch.JoinOperator = JoinOperator.OperatorAnd;
qryBranch.AppendOperand(qryCondition);
////ʹ��PropertyCondition������һ�����Բ�ѯ����(LWPOLYLINE)
PropertyCondition propCondition= new PropertyCondition();
//JoinOperator.OperatorAnd, PropertyType.EntityType, ConditionOperator.ConditionEqual, "LWPOLYLINE";
propCondition.JoinOperator = JoinOperator.OperatorAnd ;
propCondition.PropertyType = PropertyType.EntityType ;
propCondition.ConditionOperator = ConditionOperator.ConditionEqual ;
propCondition.Value = "LWPOLYLINE";
// ͨ��QueryBranch�Ĺ��캯��������һ��������ѯ��֧��
QueryBranch subBranch = new QueryBranch(JoinOperator.OperatorAnd);
// ����һ�����в�ѯ�����ͷ�֧�IJ�ѯ����
subBranch.AppendOperand(propCondition);
qryBranch.AppendOperand(subBranch);
// ����һ����ѯ��
QueryModel qryModel = proj.CreateQuery (true);
// ��ɲ�ѯ�Ķ��塣
qryModel.Define (qryBranch);
//���û���ģʽ
qryModel.Mode = QueryType.QueryDraw;
//�����ѯ
qryModel.Define(qryBranch);
//ִ�в�ѯ��
qryModel.Run();
Utility.AcadEditor.WriteMessage("\n ��ɲ�ѯ ��");
}
/// <summary>
/// Defines the query.
/// </summary>
/// <param name="queryModel">The query model.</param>
/// <returns></returns>
private bool DefineQuery(QueryModel queryModel)
{
//_logger.Info("Defining AutoCAD Map Query...");
bool retVal = false;
//_logger.Debug("Start DefineQuery");
try
{
// create query branch
//
QueryBranch queryBranch = QueryBranch.Create();
// create query conditions
//
IList <QueryCondition> queryConditions = new List <QueryCondition>();
// location filter
//
if (this.UseBoundry)
{
//_logger.Info("Defining AutoCAD Map Location Query...");
// define the window based on the users selection points
//
LocationCondition qryCondition = new LocationCondition();
qryCondition.JoinOperator = JoinOperator.OperatorAnd;
qryCondition.LocationType = this.LocationType;
LocationBoundary boundary = new PolygonBoundary(this.SelectionPoints);
qryCondition.Boundary = boundary;
queryBranch.AppendOperand(qryCondition);
queryConditions.Add(qryCondition);
}
// object filter
//
if (this.ObjectFilters.Count == 0)
{
//_logger.Info("Defining AutoCAD Map Property * Query...");
PropertyCondition propCondition = new PropertyCondition();
propCondition.JoinOperator = JoinOperator.OperatorAnd;
propCondition.PropertyType = PropertyType.EntityType;
propCondition.Value = "*";
queryBranch.AppendOperand(propCondition);
queryConditions.Add(propCondition);
}
else
{
bool isFirstObjectType = true;
int firstIndex = 0;
int lastIndex = 0;
firstIndex = queryBranch.OperandCount;
//_logger.Info("Defining AutoCAD Map Property Query...");
foreach (string objectFilter in this.ObjectFilters)
{
PropertyCondition propCondition = new PropertyCondition();
if (isFirstObjectType == true)
{
propCondition.JoinOperator = JoinOperator.OperatorAnd;
isFirstObjectType = false;
}
else
{
propCondition.JoinOperator = JoinOperator.OperatorOr;
}
propCondition.PropertyType = PropertyType.EntityType;
propCondition.Value = objectFilter;
queryBranch.AppendOperand(propCondition);
queryConditions.Add(propCondition);
}
//TODO: Why does queryBranch.Group not work?
if (this.ObjectFilters.Count > 1)
{
lastIndex = queryBranch.OperandCount - firstIndex;
lastIndex -= 1;
queryBranch.Group(firstIndex, lastIndex);
}
}
// block name filter
//
if (this.BlockNameFilters.Count > 0)
{
bool isFirstBlockName = true;
int firstIndex = 0;
int lastIndex = 0;
firstIndex = queryBranch.OperandCount;
//_logger.Info("Defining AutoCAD Map Block Name Query...");
foreach (string blockNameFilter in this.BlockNameFilters)
{
PropertyCondition propCondition = new PropertyCondition();
if (isFirstBlockName == true)
{
propCondition.JoinOperator = JoinOperator.OperatorAnd;
isFirstBlockName = false;
}
else
{
propCondition.JoinOperator = JoinOperator.OperatorOr;
}
propCondition.PropertyType = PropertyType.BlockName;
propCondition.Value = blockNameFilter;
queryBranch.AppendOperand(propCondition);
queryConditions.Add(propCondition);
}
//TODO: Why does queryBranch.Group not work?
if (this.BlockNameFilters.Count > 1)
{
lastIndex = queryBranch.OperandCount - firstIndex;
lastIndex -= 1;
queryBranch.Group(firstIndex, lastIndex);
}
}
// layer filter
//
foreach (string layerFilter in this.LayerFilters)
{
PropertyCondition layerPropertyCondition = new PropertyCondition();
layerPropertyCondition.JoinOperator = JoinOperator.OperatorAnd;
layerPropertyCondition.PropertyType = PropertyType.Layer;
layerPropertyCondition.Value = layerFilter;
queryBranch.AppendOperand(layerPropertyCondition);
queryConditions.Add(layerPropertyCondition);
}
// Define query
//
queryModel.Define(queryBranch);
// clean up
foreach (QueryCondition pc in queryConditions)
{
pc.Dispose();
}
queryBranch.Dispose();
retVal = true;
}
catch (System.Exception ex)
{
//_logger.Error("Error defining query", ex);
throw;
//AcadUtilities.WriteMessage("\nError defining query");
}
//_logger.Debug("End DefineQuery");
return(retVal);
}
public This CheckLocation(LocationCondition loc)
{
AddCondition(Condition.LocationCheck(loc));
return(this as This);
}
public static Condition LocationCheck(LocationCondition loc)
{
return(New("location_check").Set("predicate", loc));
}
