namespace Yw.WpfUI.Hydro
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{
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/// <summary>
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/// 抽象编辑管理器
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/// </summary>
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internal class LogicalEditManager : LogicalManager
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{
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/// <summary>
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///
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/// </summary>
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public LogicalEditManager(HelixViewport3D viewport) : base(viewport)
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{
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}
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private eLogicalEditMode _logicalMode = eLogicalEditMode.None;//编辑模式
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private LogicalVisual3D _addLogicalVisual;//添加抽象对象
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private LogicalNode3D _editLogicalNode;//编辑抽象节点
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#region 添加方法
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/// <summary>
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/// 开始添加连接节点
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/// </summary>
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public void StartAddJunction()
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{
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_logicalMode = eLogicalEditMode.AddJunction;
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}
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/// <summary>
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/// 开始添加水库
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/// </summary>
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public void StartAddReservoir()
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{
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_logicalMode = eLogicalEditMode.AddReservoir;
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}
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/// <summary>
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/// 开始添加水池
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/// </summary>
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public void StartAddTank()
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{
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_logicalMode = eLogicalEditMode.AddTank;
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}
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/// <summary>
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/// 开始添加自由管道
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/// </summary>
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public void StartAddPipe()
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{
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_logicalMode = eLogicalEditMode.AddPipe;
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}
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/// <summary>
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/// 开始添加水平管道
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/// </summary>
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public void StartAddHorizPipe()
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{
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_logicalMode = eLogicalEditMode.AddHorizPipe;
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}
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/// <summary>
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/// 开始添加垂直管道
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/// </summary>
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public void StartAddVertPipe()
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{
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_logicalMode = eLogicalEditMode.AddVertPipe;
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}
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/// <summary>
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/// 开始添加水泵
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/// </summary>
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public void StartAddPump()
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{
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_logicalMode = eLogicalEditMode.AddPump;
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}
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/// <summary>
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/// 开始添加阀门
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/// </summary>
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public void StartAddValve()
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{
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_logicalMode = eLogicalEditMode.AddValve;
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}
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#endregion
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#region 编辑方法
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/// <summary>
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/// 开始编辑
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/// </summary>
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public void StartEdit()
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{
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_logicalMode = eLogicalEditMode.Edit;
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}
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/// <summary>
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/// 结束编辑
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/// </summary>
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public void EndEdit()
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{
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_logicalMode = eLogicalEditMode.None;
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}
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#endregion
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#region 重写事件
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//鼠标按下
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protected override void OnMouseDown(MouseButtonEventArgs e)
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{
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if (!Initialized)
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{
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return;
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}
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_addLogicalVisual = null;
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switch (_logicalMode)
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{
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case eLogicalEditMode.AddJunction:
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{
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var pt = e.GetPosition(_viewport);
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var sp = _viewport.Viewport.UnProject(pt);
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if (sp.HasValue)
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{
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var junction = new JunctionL3d();
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junction.Id = _nw.CreateId(CatalogL3d.Junction);
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junction.Catalog = CatalogL3d.Junction;
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junction.Name = _nw.CreateName(CatalogL3d.Junction);
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junction.Position = sp.Value.ToPointL3d();
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_stateHelper.LoadState(junction, eLogicalState.Adding);
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var logicalJunction = CreateLogicalVisual(junction);
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logicalJunction.UpdateVisual();
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AddLogicalVisual(logicalJunction);
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_addLogicalVisual = logicalJunction;
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}
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}
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break;
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case eLogicalEditMode.AddReservoir:
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{
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var pt = e.GetPosition(_viewport);
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var sp = _viewport.Viewport.UnProject(pt);
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if (sp.HasValue)
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{
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var reservoir = new ReservoirL3d();
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reservoir.Id = _nw.CreateId(CatalogL3d.Reservoir);
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reservoir.Catalog = CatalogL3d.Reservoir;
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reservoir.Name = _nw.CreateName(CatalogL3d.Reservoir);
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reservoir.Position = sp.Value.ToPointL3d();
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_stateHelper.LoadState(reservoir, eLogicalState.Adding);
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var logicalReservoir = CreateLogicalVisual(reservoir);
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logicalReservoir.UpdateVisual();
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AddLogicalVisual(logicalReservoir);
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_addLogicalVisual = logicalReservoir;
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}
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}
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break;
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case eLogicalEditMode.AddTank:
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{
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var pt = e.GetPosition(_viewport);
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var sp = _viewport.Viewport.UnProject(pt);
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if (sp.HasValue)
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{
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var tank = new TankL3d();
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tank.Id = _nw.CreateId(CatalogL3d.Tank);
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tank.Catalog = CatalogL3d.Tank;
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tank.Name = _nw.CreateName(CatalogL3d.Tank);
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tank.Position = sp.Value.ToPointL3d();
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_stateHelper.LoadState(tank, eLogicalState.Adding);
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var logicalTank = CreateLogicalVisual(tank);
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logicalTank.UpdateVisual();
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AddLogicalVisual(logicalTank);
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_addLogicalVisual = logicalTank;
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}
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}
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break;
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case eLogicalEditMode.AddPipe:
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{
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var pt = e.GetPosition(_viewport);
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var logicalNode = SnapNearestNode(pt);
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if (logicalNode != null)
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{
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var pipe = new PipeL3d();
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pipe.Id = _nw.CreateId(CatalogL3d.Pipe);
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pipe.Catalog = CatalogL3d.Pipe;
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pipe.Name = _nw.CreateName(CatalogL3d.Pipe);
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pipe.StartNode = logicalNode.Vmo;
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_stateHelper.LoadState(pipe, eLogicalState.Adding);
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var logicalPipe = CreateLogicalVisual(pipe) as LogicalPipe3D;
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logicalPipe.EndPosition = logicalNode.Position;
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logicalPipe.UpdateVisual();
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AddLogicalVisual(logicalPipe);
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_addLogicalVisual = logicalPipe;
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}
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}
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break;
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case eLogicalEditMode.AddHorizPipe:
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{
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var pt = e.GetPosition(_viewport);
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var logicalNode = SnapNearestNode(pt);
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if (logicalNode != null)
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{
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var pipe = new PipeL3d();
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pipe.Id = _nw.CreateId(CatalogL3d.Pipe);
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pipe.Catalog = CatalogL3d.Pipe;
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pipe.Name = _nw.CreateName(CatalogL3d.Pipe);
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pipe.StartNode = logicalNode.Vmo;
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_stateHelper.LoadState(pipe, eLogicalState.Adding);
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var logicalPipe = CreateLogicalVisual(pipe) as LogicalPipe3D;
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logicalPipe.EndPosition = logicalNode.Position;
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logicalPipe.UpdateVisual();
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AddLogicalVisual(logicalPipe);
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_addLogicalVisual = logicalPipe;
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}
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}
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break;
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case eLogicalEditMode.AddVertPipe:
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{
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var pt = e.GetPosition(_viewport);
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var logicalNode = SnapNearestNode(pt);
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if (logicalNode != null)
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{
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var pipe = new PipeL3d();
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pipe.Id = _nw.CreateId(CatalogL3d.Pipe);
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pipe.Catalog = CatalogL3d.Pipe;
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pipe.Name = _nw.CreateName(CatalogL3d.Pipe);
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pipe.StartNode = logicalNode.Vmo;
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_stateHelper.LoadState(pipe, eLogicalState.Adding);
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var logicalPipe = CreateLogicalVisual(pipe) as LogicalPipe3D;
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logicalPipe.EndPosition = logicalNode.Position;
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logicalPipe.UpdateVisual();
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AddLogicalVisual(logicalPipe);
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_addLogicalVisual = logicalPipe;
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}
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}
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break;
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case eLogicalEditMode.AddPump:
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{
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var pt = e.GetPosition(_viewport);
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var logicalNode = SnapNearestNode(pt);
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if (logicalNode != null)
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{
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var pump = new PumpL3d();
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pump.Id = _nw.CreateId(CatalogL3d.Pump);
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pump.Catalog = CatalogL3d.Pump;
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pump.Name = _nw.CreateName(CatalogL3d.Pump);
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pump.StartNode = logicalNode.Vmo;
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_stateHelper.LoadState(pump, eLogicalState.Adding);
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var logicalPump = CreateLogicalVisual(pump) as LogicalPump3D;
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logicalPump.EndPosition = logicalNode.Position;
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logicalPump.UpdateVisual();
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AddLogicalVisual(logicalPump);
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_addLogicalVisual = logicalPump;
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}
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}
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break;
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case eLogicalEditMode.AddValve:
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{
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var pt = e.GetPosition(_viewport);
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var logicalNode = SnapNearestNode(pt);
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if (logicalNode != null)
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{
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var valve = new ValveL3d();
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valve.Id = _nw.CreateId(CatalogL3d.Valve);
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valve.Catalog = CatalogL3d.Valve;
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valve.Name = _nw.CreateName(CatalogL3d.Valve);
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valve.StartNode = logicalNode.Vmo;
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_stateHelper.LoadState(valve, eLogicalState.Adding);
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var logicalValve = CreateLogicalVisual(valve) as LogicalValve3D;
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logicalValve.EndPosition = logicalNode.Position;
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logicalValve.UpdateVisual();
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AddLogicalVisual(logicalValve);
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_addLogicalVisual = logicalValve;
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}
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}
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break;
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case eLogicalEditMode.Edit:
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{
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var pt = e.GetPosition(_viewport);
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var logicalNode = SnapNearestNode(pt);
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if (logicalNode != null)
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{
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var node = logicalNode.Vmo;
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_stateHelper.LoadState(logicalNode.Vmo, eLogicalState.Editing);
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_editLogicalNode = logicalNode;
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}
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}
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break;
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default:
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{
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base.OnMouseDown(e);
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}
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break;
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}
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}
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//鼠标移动
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protected override void OnMouseMove(MouseEventArgs e)
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{
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if (!Initialized)
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{
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return;
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}
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switch (_logicalMode)
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{
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case eLogicalEditMode.AddJunction:
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{
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var logicalJunction = _addLogicalVisual as LogicalJunction3D;
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if (logicalJunction != null)
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{
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var pt = e.GetPosition(_viewport);
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var sp = _viewport.Viewport.UnProject(pt);
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if (sp.HasValue)
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{
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logicalJunction.Vmo.Position = sp.Value.ToPointL3d();
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logicalJunction.UpdateVisual();
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}
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}
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}
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break;
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case eLogicalEditMode.AddReservoir:
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{
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var logicalReservoir = _addLogicalVisual as LogicalSource3D;
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if (logicalReservoir != null)
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{
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var pt = e.GetPosition(_viewport);
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var sp = _viewport.Viewport.UnProject(pt);
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if (sp.HasValue)
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{
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logicalReservoir.Vmo.Position = sp.Value.ToPointL3d();
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logicalReservoir.UpdateVisual();
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}
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}
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}
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break;
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case eLogicalEditMode.AddTank:
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{
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var logicalTank = _addLogicalVisual as LogicalTank3D;
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if (logicalTank != null)
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{
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var pt = e.GetPosition(_viewport);
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var sp = _viewport.Viewport.UnProject(pt);
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if (sp.HasValue)
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{
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logicalTank.Vmo.Position = sp.Value.ToPointL3d();
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logicalTank.UpdateVisual();
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}
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}
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}
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break;
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case eLogicalEditMode.AddPipe:
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{
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base.OnMouseMove(e);
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var logicalPipe = _addLogicalVisual as LogicalPipe3D;
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if (logicalPipe != null)
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{
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var pt = e.GetPosition(_viewport);
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var sp = _viewport.Viewport.UnProject(pt);
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if (sp.HasValue)
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{
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logicalPipe.EndPosition = sp.Value;
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logicalPipe.UpdateVisual();
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}
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}
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}
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break;
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case eLogicalEditMode.AddHorizPipe:
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{
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base.OnMouseMove(e);
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var logicalPipe = _addLogicalVisual as LogicalPipe3D;
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if (logicalPipe != null)
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{
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var pt = e.GetPosition(_viewport);
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var sp = _viewport.Viewport.UnProject(pt);
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if (sp.HasValue)
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{
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logicalPipe.EndPosition = new Point3D(sp.Value.X, sp.Value.Y, logicalPipe.StartPosition.Z);
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logicalPipe.UpdateVisual();
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}
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}
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}
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break;
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case eLogicalEditMode.AddVertPipe:
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{
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base.OnMouseMove(e);
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var logicalPipe = _addLogicalVisual as LogicalPipe3D;
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if (logicalPipe != null)
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{
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var pt = e.GetPosition(_viewport);
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var sp = _viewport.Viewport.UnProject(pt);
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if (sp.HasValue)
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{
|
logicalPipe.EndPosition = new Point3D(logicalPipe.StartPosition.X, logicalPipe.StartPosition.Y, sp.Value.Z);
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logicalPipe.UpdateVisual();
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}
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}
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}
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break;
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case eLogicalEditMode.AddPump:
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{
|
base.OnMouseMove(e);
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var logicalPump = _addLogicalVisual as LogicalPump3D;
|
if (logicalPump != null)
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{
|
var pt = e.GetPosition(_viewport);
|
var sp = _viewport.Viewport.UnProject(pt);
|
if (sp.HasValue)
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{
|
logicalPump.EndPosition = sp.Value;
|
logicalPump.UpdateVisual();
|
}
|
}
|
}
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break;
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case eLogicalEditMode.AddValve:
|
{
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base.OnMouseMove(e);
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var logicalValve = _addLogicalVisual as LogicalValve3D;
|
if (logicalValve != null)
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{
|
var pt = e.GetPosition(_viewport);
|
var sp = _viewport.Viewport.UnProject(pt);
|
if (sp.HasValue)
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{
|
logicalValve.EndPosition = sp.Value;
|
logicalValve.UpdateVisual();
|
}
|
}
|
}
|
break;
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case eLogicalEditMode.Edit:
|
{
|
base.OnMouseMove(e);
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if (_editLogicalNode != null)
|
{
|
var pt = e.GetPosition(_viewport);
|
var sp = _viewport.Viewport.UnProject(pt);
|
if (sp.HasValue)
|
{
|
var node = _editLogicalNode.Vmo;
|
node.Position = sp.Value.ToPointL3d();
|
_editLogicalNode.UpdateVisual();
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var links = _nw.Links.Where(x => x.StartNode == node || x.EndNode == node).ToList();
|
links?.ForEach(x => _allVisualLogicalDict[x].UpdateVisual());
|
}
|
}
|
}
|
break;
|
default:
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{
|
base.OnMouseMove(e);
|
}
|
break;
|
}
|
}
|
|
//鼠标弹起
|
protected override void OnMouseUp(MouseButtonEventArgs e)
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{
|
if (!Initialized)
|
{
|
return;
|
}
|
switch (_logicalMode)
|
{
|
case eLogicalEditMode.AddJunction:
|
{
|
var logicalJunction = _addLogicalVisual as LogicalJunction3D;
|
if (logicalJunction != null)
|
{
|
_stateHelper.UnloadState(logicalJunction.Vmo, eLogicalState.Adding);
|
if (!logicalJunction.Verify())
|
{
|
RemoveLogicalVisual(logicalJunction);
|
}
|
_addLogicalVisual = null;
|
_logicalMode = eLogicalEditMode.None;
|
}
|
}
|
break;
|
case eLogicalEditMode.AddReservoir:
|
{
|
var logicalReservoir = _addLogicalVisual as LogicalReservoir3D;
|
if (logicalReservoir != null)
|
{
|
_stateHelper.UnloadState(logicalReservoir.Vmo, eLogicalState.Adding);
|
if (!logicalReservoir.Verify())
|
{
|
RemoveLogicalVisual(logicalReservoir);
|
}
|
_addLogicalVisual = null;
|
_logicalMode = eLogicalEditMode.None;
|
}
|
}
|
break;
|
case eLogicalEditMode.AddTank:
|
{
|
var logicalTank = _addLogicalVisual as LogicalTank3D;
|
if (logicalTank != null)
|
{
|
_stateHelper.UnloadState(logicalTank.Vmo, eLogicalState.Adding);
|
if (!logicalTank.Verify())
|
{
|
RemoveLogicalVisual(logicalTank);
|
}
|
_addLogicalVisual = null;
|
_logicalMode = eLogicalEditMode.None;
|
}
|
}
|
break;
|
case eLogicalEditMode.AddPipe:
|
{
|
var logicalPipe = _addLogicalVisual as LogicalPipe3D;
|
if (logicalPipe != null)
|
{
|
_stateHelper.UnloadState(logicalPipe.Vmo, eLogicalState.Adding);
|
var pt = e.GetPosition(_viewport);
|
var logicalNode = SnapNearestNode(pt);
|
if (logicalNode == null)
|
{
|
var sp = _viewport.Viewport.UnProject(pt);
|
var junction = new JunctionL3d();
|
junction.Id = _nw.CreateId(CatalogL3d.Junction);
|
junction.Catalog = CatalogL3d.Junction;
|
junction.Name = _nw.CreateName(CatalogL3d.Junction);
|
junction.Position = sp.Value.ToPointL3d();
|
var logicalVisual = CreateLogicalVisual(junction);
|
AddLogicalVisual(logicalVisual);
|
logicalPipe.Vmo.EndNode = junction;
|
}
|
else
|
{
|
logicalPipe.Vmo.EndNode = logicalNode.Vmo;
|
}
|
logicalPipe.UpdateVisual();
|
if (!logicalPipe.Verify())
|
{
|
RemoveLogicalVisual(logicalPipe);
|
}
|
_addLogicalVisual = null;
|
_logicalMode = eLogicalEditMode.None;
|
}
|
}
|
break;
|
case eLogicalEditMode.AddHorizPipe:
|
{
|
var logicalPipe = _addLogicalVisual as LogicalPipe3D;
|
if (logicalPipe != null)
|
{
|
_stateHelper.UnloadState(logicalPipe.Vmo, eLogicalState.Adding);
|
var end = logicalPipe.EndPosition;
|
var logicalNode = SnapNearestNode(end);
|
if (logicalNode == null)
|
{
|
var junction = new JunctionL3d();
|
junction.Id = _nw.CreateId(CatalogL3d.Junction);
|
junction.Catalog = CatalogL3d.Junction;
|
junction.Name = _nw.CreateName(CatalogL3d.Junction);
|
junction.Position = end.ToPointL3d();
|
var logicalJunction = CreateLogicalVisual(junction);
|
AddLogicalVisual(logicalJunction);
|
logicalPipe.Vmo.EndNode = junction;
|
}
|
else
|
{
|
logicalPipe.Vmo.EndNode = logicalNode.Vmo;
|
}
|
logicalPipe.UpdateVisual();
|
if (!logicalPipe.Verify())
|
{
|
RemoveLogicalVisual(logicalPipe);
|
}
|
_addLogicalVisual = null;
|
_logicalMode = eLogicalEditMode.None;
|
}
|
}
|
break;
|
case eLogicalEditMode.AddVertPipe:
|
{
|
var logicalPipe = _addLogicalVisual as LogicalPipe3D;
|
if (logicalPipe != null)
|
{
|
_stateHelper.UnloadState(logicalPipe.Vmo, eLogicalState.Adding);
|
var end = logicalPipe.EndPosition;
|
var logicalNode = SnapNearestNode(end);
|
if (logicalNode == null)
|
{
|
var junction = new JunctionL3d();
|
junction.Id = _nw.CreateId(CatalogL3d.Junction);
|
junction.Catalog = CatalogL3d.Junction;
|
junction.Name = _nw.CreateName(CatalogL3d.Junction);
|
junction.Position = end.ToPointL3d();
|
var logicalJunction = CreateLogicalVisual(junction);
|
AddLogicalVisual(logicalJunction);
|
logicalPipe.Vmo.EndNode = junction;
|
}
|
else
|
{
|
logicalPipe.Vmo.EndNode = logicalNode.Vmo;
|
}
|
logicalPipe.UpdateVisual();
|
if (!logicalPipe.Verify())
|
{
|
RemoveLogicalVisual(logicalPipe);
|
}
|
_addLogicalVisual = null;
|
_logicalMode = eLogicalEditMode.None;
|
}
|
}
|
break;
|
case eLogicalEditMode.AddPump:
|
{
|
var logicalPump = _addLogicalVisual as LogicalPump3D;
|
if (logicalPump != null)
|
{
|
_stateHelper.UnloadState(logicalPump.Vmo, eLogicalState.Adding);
|
var pt = e.GetPosition(_viewport);
|
var logicalNode = SnapNearestNode(pt);
|
if (logicalNode == null)
|
{
|
var sp = _viewport.Viewport.UnProject(pt);
|
var junction = new JunctionL3d();
|
junction.Id = _nw.CreateId(CatalogL3d.Junction);
|
junction.Catalog = CatalogL3d.Junction;
|
junction.Name = _nw.CreateName(CatalogL3d.Junction);
|
junction.Position = sp.Value.ToPointL3d();
|
var logicalVisual = CreateLogicalVisual(junction);
|
AddLogicalVisual(logicalVisual);
|
logicalPump.Vmo.EndNode = junction;
|
}
|
else
|
{
|
logicalPump.Vmo.EndNode = logicalNode.Vmo;
|
}
|
logicalPump.UpdateVisual();
|
if (!logicalPump.Verify())
|
{
|
RemoveLogicalVisual(logicalPump);
|
}
|
_addLogicalVisual = null;
|
_logicalMode = eLogicalEditMode.None;
|
}
|
}
|
break;
|
case eLogicalEditMode.AddValve:
|
{
|
var logicalValve = _addLogicalVisual as LogicalValve3D;
|
if (logicalValve != null)
|
{
|
_stateHelper.UnloadState(logicalValve.Vmo, eLogicalState.Adding);
|
var pt = e.GetPosition(_viewport);
|
var logicalNode = SnapNearestNode(pt);
|
if (logicalNode == null)
|
{
|
var sp = _viewport.Viewport.UnProject(pt);
|
var junction = new JunctionL3d();
|
junction.Id = _nw.CreateId(CatalogL3d.Junction);
|
junction.Catalog = CatalogL3d.Junction;
|
junction.Name = _nw.CreateName(CatalogL3d.Junction);
|
junction.Position = sp.Value.ToPointL3d();
|
var logicalVisual = CreateLogicalVisual(junction);
|
AddLogicalVisual(logicalVisual);
|
logicalValve.Vmo.EndNode = junction;
|
}
|
else
|
{
|
logicalValve.Vmo.EndNode = logicalNode.Vmo;
|
}
|
logicalValve.UpdateVisual();
|
if (!logicalValve.Verify())
|
{
|
RemoveLogicalVisual(logicalValve);
|
}
|
_addLogicalVisual = null;
|
_logicalMode = eLogicalEditMode.None;
|
}
|
}
|
break;
|
case eLogicalEditMode.Edit:
|
{
|
if (_editLogicalNode != null)
|
{
|
_stateHelper.UnloadState(_editLogicalNode.Vmo, eLogicalState.Editing);
|
}
|
_editLogicalNode = null;
|
}
|
break;
|
default:
|
{
|
base.OnMouseUp(e);
|
}
|
break;
|
}
|
}
|
|
#endregion
|
|
#region 构件方法
|
|
//创建抽象可见元素
|
private LogicalVisual3D CreateLogicalVisual(VisualL3d visual)
|
{
|
var logicalVisual = LogicalCreateHelper.Create(visual, _stateHelper, _materialHelper, _overrideColorHelper, _overrideOpacityHelper, _overrideVisibleHelper);
|
return logicalVisual;
|
}
|
|
//添加抽象可见元素
|
private void AddLogicalVisual(LogicalVisual3D logicalVisual)
|
{
|
if (!Initialized)
|
{
|
return;
|
}
|
if (logicalVisual == null)
|
{
|
return;
|
}
|
if (logicalVisual.Vmo == null)
|
{
|
return;
|
}
|
var visual = logicalVisual.Vmo;
|
if (!_nw.IsExist(visual))
|
{
|
_nw.Append(visual, out _);
|
}
|
if (!_allVisualL3dDict.ContainsKey(visual.Id))
|
{
|
_allVisualL3dDict.Add(visual.Id, visual);
|
}
|
if (!_allVisualLogicalDict.ContainsKey(visual))
|
{
|
_allVisualLogicalDict.Add(visual, logicalVisual);
|
}
|
if (!_viewport.Children.Contains(logicalVisual))
|
{
|
_viewport.Children.Add(logicalVisual);
|
}
|
}
|
|
//移除抽象可见元素
|
private void RemoveLogicalVisual(LogicalVisual3D logicalVisual)
|
{
|
if (!Initialized)
|
{
|
return;
|
}
|
if (logicalVisual == null)
|
{
|
return;
|
}
|
if (logicalVisual.Vmo == null)
|
{
|
return;
|
}
|
var visual = logicalVisual.Vmo;
|
if (_nw.IsExist(visual))
|
{
|
_nw.Remove(visual);
|
}
|
if (_allVisualL3dDict.ContainsKey(visual.Id))
|
{
|
_allVisualL3dDict.Remove(visual.Id);
|
}
|
if (_allVisualLogicalDict.ContainsKey(visual))
|
{
|
_allVisualLogicalDict.Remove(visual);
|
}
|
if (_viewport.Children.Contains(logicalVisual))
|
{
|
_viewport.Children.Remove(logicalVisual);
|
}
|
}
|
|
#endregion
|
|
#region 辅助方法
|
|
//吸附最近节点
|
private LogicalNode3D SnapNearestNode(Point pt)
|
{
|
if (!Initialized)
|
{
|
return default;
|
}
|
var logicalNode = _viewport.FindNearestVisual(pt) as LogicalNode3D;
|
if (logicalNode == null)
|
{
|
var sp = _viewport.Viewport.UnProject(pt);
|
if (sp.HasValue)
|
{
|
var snapDistance = Yw.Settings.HydroL3dParasHelper.HydroL3d.Logical.Node.SnapDistance;
|
logicalNode = _viewport.Children.OfType<LogicalNode3D>()
|
.OrderBy(x => (x.Position - sp.Value).LengthSquared)
|
.FirstOrDefault(x => (x.Position - sp.Value).Length < snapDistance);
|
}
|
|
}
|
|
return logicalNode;
|
}
|
|
//吸附最近节点
|
private LogicalNode3D SnapNearestNode(Point3D pt)
|
{
|
if (!Initialized)
|
{
|
return default;
|
}
|
var snapDistance = Yw.Settings.HydroL3dParasHelper.HydroL3d.Logical.Node.SnapDistance;
|
var logicalNode = _viewport.Children.OfType<LogicalNode3D>()
|
.OrderBy(x => (x.Position - pt).LengthSquared)
|
.FirstOrDefault(x => (x.Position - pt).Length < snapDistance);
|
|
return logicalNode;
|
}
|
|
#endregion
|
|
|
}
|
}
|
