Imports System.Runtime.Serialization Imports System.Linq Imports System.Collections.Generic Imports DWSIM.Interfaces Imports DWSIM.Interfaces.Enums.GraphicObjects Imports DWSIM.Drawing.SkiaSharp.GraphicObjects Imports DWSIM.Interfaces.Enums Imports DWSIM.DrawingTools.Point Imports Microsoft.Msagl.Core.Geometry.Curves Imports Microsoft.Msagl.Core.Layout Imports Microsoft.Msagl.Layout.Initial Imports Microsoft.Msagl.Layout.Incremental Imports System.Security.Cryptography Public Delegate Sub DrawingEvent(ByVal canvas As SKCanvas) Public Class GraphicsSurface #Region "Events" Public Event SelectionChanged(ByVal sender As Object, ByVal e As SelectionChangedEventArgs) Public Event InputPressed(ByVal sender As Object, ByVal e As SelectionChangedEventArgs) Public Event InputMoved(ByVal sender As Object, ByVal e As SelectionChangedEventArgs) Public Event InputReleased(ByVal sender As Object, ByVal e As SelectionChangedEventArgs) Public Event StatusUpdate(ByVal sender As Object, ByVal e As StatusUpdateEventArgs) Public Event ObjectsConnected(sender As Object, e As ObjectConnectionChangedArgs) Public Event ObjectsDisconnected(sender As Object, e As ObjectConnectionChangedArgs) #End Region Private Const MinimumGridSize As Single = 10 Private dragOffset As New SKPoint(0, 0) Private dragStart As New SKPoint(0, 0) Public selectionDragging As Boolean = False Private selectable As Boolean = True Public dragging As Boolean = False Private draggingfs As Boolean Private rotating As Boolean = False Private hoverdraw As Boolean = False Private startingRotation As Single = 0 Private originalRotation As Single = 0 Private selectionRect As SKRect Private rectp0 As New SKPoint Private hoverRect As SKRect Private hoverrotation As Integer = 0 Private Size0 As SKSize Private justselected As Boolean = False Public DrawingObjects As New List(Of IGraphicObject) Private _SelectedObject As IGraphicObject Private _FloatingTable As Tables.FloatingTableGraphic Private AnimationStart As DateTime Private AddedObject As IGraphicObject Private DrawAddedAnimation As Boolean = False Private Tmax As Integer = 3000 Private Tfactor As Integer = 1000 Public InvalidateCallback As Action Public ControlPanelMode As Boolean = False Public NetworkMode As Boolean = False Private PrevPositions As New Dictionary(Of String, Tuple(Of Point, Boolean)) Public Property Flowsheet As IFlowsheet Public Property RegularTypeFace As SKTypeface Public Property BoldTypeFace As SKTypeface Public Property ItalicTypeFace As SKTypeface Public Property BoldItalicTypeFace As SKTypeface Public Shared Property RegularFonts As List(Of String) Public Shared Property BoldFonts As List(Of String) Public Shared Property ItalicFonts As List(Of String) Public Shared Property BoldItalicFonts As List(Of String) Public DrawAdditionalItems As Boolean = False Public OverlayImage As SKBitmap Public OverlayImage2 As SKBitmap Public OverlayImage3 As SKBitmap Public OverlayImage4 As SKBitmap Public OverlayImage5 As SKBitmap Public MinV, MaxV As Double Public Origin As SKPoint Public DrawOverlaysAction As Action(Of SKCanvas) Public GlobalDrawOverride As Action(Of IGraphicObject, SKCanvas) Public GlobalConPositionsOverride As Action(Of IGraphicObject) Public Event StartedDrawing As DrawingEvent Public Event FinishedDrawing As DrawingEvent Public Sub New() Dim assm = Me.GetType.Assembly If RegularTypeFace Is Nothing Then Using filestr As IO.Stream = assm.GetManifestResourceStream("DWSIM.Drawing.SkiaSharp.Asap-Regular.ttf") RegularTypeFace = SKTypeface.FromStream(filestr) End Using End If If BoldTypeFace Is Nothing Then Using filestr As IO.Stream = assm.GetManifestResourceStream("DWSIM.Drawing.SkiaSharp.Asap-SemiBold.ttf") BoldTypeFace = SKTypeface.FromStream(filestr) End Using End If If ItalicTypeFace Is Nothing Then Using filestr As IO.Stream = assm.GetManifestResourceStream("DWSIM.Drawing.SkiaSharp.Asap-Italic.ttf") ItalicTypeFace = SKTypeface.FromStream(filestr) End Using End If If BoldItalicTypeFace Is Nothing Then Using filestr As IO.Stream = assm.GetManifestResourceStream("DWSIM.Drawing.SkiaSharp.Asap-SemiBoldItalic.ttf") BoldItalicTypeFace = SKTypeface.FromStream(filestr) End Using End If RegularFonts = New List(Of String) BoldFonts = New List(Of String) ItalicFonts = New List(Of String) BoldItalicFonts = New List(Of String) Dim value As String = "" Using filestr As IO.Stream = assm.GetManifestResourceStream("DWSIM.Drawing.SkiaSharp.Fonts.txt") Using reader As New IO.StreamReader(filestr) While Not reader.EndOfStream value = reader.ReadLine.Replace(".ttf", "") If (value.Contains("Bold") Or value.Contains("Medium")) And value.Contains("Italic") Then BoldItalicFonts.Add(value) ElseIf (value.Contains("Bold") Or value.Contains("Medium")) Then BoldFonts.Add(value) ElseIf value.Contains("Italic") Then ItalicFonts.Add(value) Else RegularFonts.Add(value) End If End While End Using End Using End Sub Public Sub SetRegularFont(fontname As String) Using filestr As IO.Stream = Me.GetType().Assembly.GetManifestResourceStream("DWSIM.Drawing.SkiaSharp." + fontname + ".ttf") RegularTypeFace = SKTypeface.FromStream(filestr) End Using End Sub Public Sub SetBoldFont(fontname As String) Using filestr As IO.Stream = Me.GetType().Assembly.GetManifestResourceStream("DWSIM.Drawing.SkiaSharp." + fontname + ".ttf") BoldTypeFace = SKTypeface.FromStream(filestr) End Using End Sub Public Sub SetItalicFont(fontname As String) Using filestr As IO.Stream = Me.GetType().Assembly.GetManifestResourceStream("DWSIM.Drawing.SkiaSharp." + fontname + ".ttf") ItalicTypeFace = SKTypeface.FromStream(filestr) End Using End Sub Public Sub SetBoldItalicFont(fontname As String) Using filestr As IO.Stream = Me.GetType().Assembly.GetManifestResourceStream("DWSIM.Drawing.SkiaSharp." + fontname + ".ttf") BoldItalicTypeFace = SKTypeface.FromStream(filestr) End Using End Sub Public Enum AlignDirection Lefts Centers Rights Tops Middles Bottoms EqualizeHorizontal EqualizeVertical End Enum Public Shared Property BackgroundColor As SKColor = SKColors.White Public Shared Property ForegroundColor As SKColor = SKColors.Black Public Property ResizingMode As Boolean = False Public Property ResizingMode_KeepAR As Boolean = True Public Property QuickConnect As Boolean = False Public Property SurfaceBounds As SKRect Public Property SnapToGrid As Boolean = False Public Property SelectRectangle() As Boolean = False Public Property SurfaceMargins As SKRect Public Property Zoom() As Single = 1.0 Public Overridable Property ShowGrid() As Boolean = False Public Property GridColor() As SKColor Public Overridable Property GridLineWidth() As Integer Public Overridable Property GridSize() As Integer = 20 Public Property Size As SKSize = New SKSize(1024, 768) Public Property DrawFloatingTable As Boolean = True Public Property DrawPropertyList As Boolean = False Public Property SelectedObject() As IGraphicObject Get Return _SelectedObject End Get Set(value As IGraphicObject) If Not value Is Nothing AndAlso Not value.IsConnector Then _SelectedObject = value Else _SelectedObject = Nothing End If RaiseEvent SelectionChanged(Me, New SelectionChangedEventArgs(_SelectedObject)) End Set End Property Public Property SelectedObjects() As New Generic.Dictionary(Of String, IGraphicObject) Public Property MultiSelectMode As Boolean = False Private Sub DrawGrid(canvas As SKCanvas) Dim gpaint As New SKPaint With gpaint .Color = SKColors.LightSteelBlue.WithAlpha(50) .StrokeWidth = 1 .IsStroke = True .IsAntialias = GlobalSettings.Settings.DrawingAntiAlias End With Dim i As Integer For i = 0 To 10000 Step GridSize canvas.DrawLine(i, 0, i, 10000, gpaint) canvas.DrawLine(0, i, 10000, i, gpaint) Next End Sub Private Sub DrawSelectionRectangle(DrawingCanvas As SKCanvas, ByVal selectionRect As SKRect) Dim spaint As New SKPaint With spaint .IsStroke = False .Color = SKColors.LightSalmon.WithAlpha(25) End With Dim normalizedRectangle As New SKRect 'make sure the rectangle's upper left point is 'up and to the left relative to the other points of the rectangle by 'ensuring that it has a positive width and height. normalizedRectangle.Left = selectionRect.Left normalizedRectangle.Right = selectionRect.Right normalizedRectangle.Top = selectionRect.Top normalizedRectangle.Bottom = selectionRect.Bottom If selectionRect.Width < 0 Then normalizedRectangle.Left = selectionRect.Left - normalizedRectangle.Width Else normalizedRectangle.Left = selectionRect.Left End If If selectionRect.Height < 0 Then normalizedRectangle.Top = selectionRect.Top - normalizedRectangle.Height Else normalizedRectangle.Top = selectionRect.Top End If DrawingCanvas.DrawRect(normalizedRectangle, spaint) End Sub Public Sub UpdateCanvas(DrawingCanvas As SKCanvas) UpdateColorTheme() 'draw the actual objects onto the page, on top of the grid If Me.SelectedObject Is Nothing Then Me.SelectedObjects.Clear() DrawingCanvas.Clear(BackgroundColor) If ShowGrid Then DrawGrid(DrawingCanvas) DrawingCanvas.Scale(Me.Zoom, Me.Zoom) RaiseEvent StartedDrawing(DrawingCanvas) 'Dim objects = DrawingObjects.ToArray If DrawingObjects.Count = 0 AndAlso Not GlobalSettings.Settings.OldUI Then If Not NetworkMode Then DrawInstructions(DrawingCanvas) End If If DrawAddedAnimation Then Dim tstep = (Date.Now - AnimationStart).TotalMilliseconds Dim spa As New SKPaint With spa Dim avalue As Integer = 255 - tstep / Tmax * 255 If avalue < 0 Then avalue = 0 .Color = SKColors.SteelBlue.WithAlpha(avalue) .IsAntialias = GlobalSettings.Settings.DrawingAntiAlias .IsStroke = False .Shader = SKShader.CreateRadialGradient(New SKPoint(AddedObject.X + AddedObject.Width / 2, AddedObject.Y + AddedObject.Height / 2), Math.Max(AddedObject.Width * (1 + tstep / Tmax), AddedObject.Height * (1 + tstep / Tmax)), New SKColor() {SKColors.LightBlue, SKColors.Transparent}, New Single() {0.05, 0.95}, SKShaderTileMode.Clamp) End With DrawingCanvas.DrawRoundRect(New SKRect(AddedObject.X - 250 * tstep / Tfactor, AddedObject.Y - 250 * tstep / Tfactor, AddedObject.X + AddedObject.Width + 250 * tstep / Tfactor, AddedObject.Y + AddedObject.Height + 250 * tstep / Tfactor), 10, 10, spa) End If For Each dobj In DrawingObjects If TypeOf dobj Is Shapes.RectangleGraphic Then dobj.Draw(DrawingCanvas) End If Next For Each dobj In DrawingObjects If Not TypeOf dobj Is ConnectorGraphic And Not TypeOf dobj Is Shapes.RectangleGraphic And Not TypeOf dobj Is Tables.FloatingTableGraphic Then If TypeOf dobj Is ShapeGraphic Then If GlobalConPositionsOverride Is Nothing Then DirectCast(dobj, ShapeGraphic).PositionConnectors() Else GlobalConPositionsOverride.Invoke(dobj) End If End If End If Next For Each dobj In DrawingObjects If TypeOf dobj Is ConnectorGraphic Then If GlobalDrawOverride IsNot Nothing Then GlobalDrawOverride.Invoke(dobj, DrawingCanvas) Else dobj.Draw(DrawingCanvas) End If End If Next Dim sp, sp2 As New SKPaint With sp .Color = SKColors.LightBlue.WithAlpha(75) .IsAntialias = GlobalSettings.Settings.DrawingAntiAlias .IsStroke = False End With With sp2 .Color = SKColors.LightBlue.WithAlpha(175) .IsAntialias = GlobalSettings.Settings.DrawingAntiAlias .IsStroke = True .StrokeWidth = 2 End With If GlobalDrawOverride Is Nothing Then For Each dobj As GraphicObject In Me.SelectedObjects.Values dobj.Selected = True If dobj.Rotation <> 0 Then DrawingCanvas.Save() DrawingCanvas.RotateDegrees(dobj.Rotation, dobj.X + dobj.Width / 2, dobj.Y + dobj.Height / 2) DrawingCanvas.DrawRoundRect(New SKRect(dobj.X - 10, dobj.Y - 10, dobj.X + dobj.Width + 10, dobj.Y + dobj.Height + 10), 4, 4, sp) DrawingCanvas.DrawRoundRect(New SKRect(dobj.X - 10, dobj.Y - 10, dobj.X + dobj.Width + 10, dobj.Y + dobj.Height + 10), 4, 4, sp2) DrawingCanvas.Restore() Else DrawingCanvas.DrawRoundRect(New SKRect(dobj.X - 10, dobj.Y - 10, dobj.X + dobj.Width + 10, dobj.Y + dobj.Height + 10), 4, 4, sp) DrawingCanvas.DrawRoundRect(New SKRect(dobj.X - 10, dobj.Y - 10, dobj.X + dobj.Width + 10, dobj.Y + dobj.Height + 10), 4, 4, sp2) End If Next End If For Each gr As GraphicObject In Me.DrawingObjects If Not Me.SelectedObjects.ContainsKey(gr.Name) Then gr.Selected = False Next For Each dobj In DrawingObjects DirectCast(dobj, GraphicObject).RegularTypeFace = RegularTypeFace DirectCast(dobj, GraphicObject).BoldTypeFace = BoldTypeFace DirectCast(dobj, GraphicObject).ItalicTypeFace = ItalicTypeFace DirectCast(dobj, GraphicObject).BoldItalicTypeFace = BoldItalicTypeFace If Not TypeOf dobj Is ConnectorGraphic And Not TypeOf dobj Is Shapes.RectangleGraphic And Not TypeOf dobj Is Tables.FloatingTableGraphic Then If TypeOf dobj Is ShapeGraphic Then DirectCast(dobj, ShapeGraphic).LineWidth = 1 DirectCast(dobj, ShapeGraphic).UpdateStatus() End If If GlobalDrawOverride IsNot Nothing Then If dobj.FlippedH Or dobj.FlippedV Or dobj.Rotation <> 0 Then Dim currmat = DrawingCanvas.TotalMatrix DrawingCanvas.Save() If dobj.FlippedV And Not dobj.FlippedH Then DrawingCanvas.Scale(1, -1, (dobj.X + dobj.Width / 2), (dobj.Y + dobj.Height / 2)) ElseIf dobj.FlippedH And Not dobj.FlippedV Then DrawingCanvas.Scale(-1, 1, (dobj.X + dobj.Width / 2), (dobj.Y + dobj.Height / 2)) ElseIf dobj.FlippedH And dobj.FlippedV Then DrawingCanvas.Scale(-1, -1, (dobj.X + dobj.Width / 2), (dobj.Y + dobj.Height / 2)) End If If dobj.Rotation <> 0.0 Then DrawingCanvas.RotateDegrees(dobj.Rotation, dobj.X + dobj.Width / 2, dobj.Y + dobj.Height / 2) End If GlobalDrawOverride.Invoke(dobj, DrawingCanvas) DrawingCanvas.SetMatrix(currmat) Else GlobalDrawOverride.Invoke(dobj, DrawingCanvas) End If Else If dobj.DrawOverride IsNot Nothing Then dobj.DrawOverride.Invoke(DrawingCanvas) Else If dobj.FlippedH Or dobj.FlippedV Or dobj.Rotation <> 0 Then Dim currmat = DrawingCanvas.TotalMatrix DrawingCanvas.Save() If dobj.FlippedV And Not dobj.FlippedH Then DrawingCanvas.Scale(1, -1, (dobj.X + dobj.Width / 2), (dobj.Y + dobj.Height / 2)) ElseIf dobj.FlippedH And Not dobj.FlippedV Then DrawingCanvas.Scale(-1, 1, (dobj.X + dobj.Width / 2), (dobj.Y + dobj.Height / 2)) ElseIf dobj.FlippedH And dobj.FlippedV Then DrawingCanvas.Scale(-1, -1, (dobj.X + dobj.Width / 2), (dobj.Y + dobj.Height / 2)) End If If dobj.Rotation <> 0.0 Then DrawingCanvas.RotateDegrees(dobj.Rotation, dobj.X + dobj.Width / 2, dobj.Y + dobj.Height / 2) End If dobj.Draw(DrawingCanvas) DrawingCanvas.SetMatrix(currmat) Else Try dobj.Draw(DrawingCanvas) Catch ex As Exception Using p As New SKPaint p.Color = SKColors.Black p.StrokeWidth = 1 p.IsStroke = True DrawingCanvas.DrawText(String.Format("Error drawing {0}: {1}", dobj.Tag, ex.Message), dobj.X, dobj.Y, p) End Using End Try End If 'If TypeOf dobj Is ShapeGraphic And dobj.Status = Status.Calculating Then ' DirectCast(dobj, ShapeGraphic).DrawCalculatingMode(DrawingCanvas) 'End If If TypeOf dobj Is ShapeGraphic And dobj.ObjectType <> ObjectType.GO_MasterTable And dobj.ObjectType <> ObjectType.GO_SpreadsheetTable And dobj.ObjectType <> ObjectType.GO_Table And dobj.ObjectType <> ObjectType.GO_Animation And dobj.ObjectType <> ObjectType.GO_Chart And dobj.ObjectType <> ObjectType.GO_Rectangle And dobj.ObjectType <> ObjectType.GO_Image And dobj.ObjectType <> ObjectType.GO_Text And dobj.ObjectType <> ObjectType.GO_Button And dobj.ObjectType <> ObjectType.GO_FloatingTable Then DirectCast(dobj, ShapeGraphic).DrawTag(DrawingCanvas) If Not dobj.Owner?.SupportsDynamicMode And dobj.Owner?.GetFlowsheet?.DynamicMode Then dobj.DrawNotDynamicsCompatible(DrawingCanvas) ElseIf dobj.Owner?.GetFlowsheet?.DynamicMode And dobj.Owner?.GetFlowsheet()?.FlowsheetOptions.DisplayDynamicPropertyValues Then dobj.DrawDynamicProperties(DrawingCanvas) End If End If If dobj.Owner IsNot Nothing AndAlso dobj.Owner.GetFlowsheet() IsNot Nothing AndAlso dobj.Owner.GetFlowsheet.DynamicMode Then If dobj.ObjectType = ObjectType.MaterialStream Then If Not dobj.InputConnectors(0).IsAttached Or Not dobj.OutputConnectors(0).IsAttached Or dobj.InputConnectors(0).IsAttached AndAlso (dobj.InputConnectors(0).AttachedConnector.AttachedFrom.ObjectType = ObjectType.Valve Or dobj.InputConnectors(0).AttachedConnector.AttachedFrom.ObjectType = ObjectType.OT_Recycle) Or dobj.OutputConnectors(0).IsAttached AndAlso (dobj.OutputConnectors(0).AttachedConnector.AttachedTo.ObjectType = ObjectType.Valve Or dobj.OutputConnectors(0).AttachedConnector.AttachedTo.ObjectType = ObjectType.OT_Recycle) Then 'draw dyn spec dobj.DrawDynSpec(DrawingCanvas, dobj.Owner.DynamicsSpec) End If End If End If End If End If End If Next If DrawPropertyList Then For Each dobj In DrawingObjects If dobj.Calculated Then DrawPropertyListBlock(DrawingCanvas, dobj) Next End If 'draw selection rectangle (click and drag to select interface) 'on top of everything else, but transparent If selectionDragging Then DrawSelectionRectangle(DrawingCanvas, selectionRect) End If If DrawAdditionalItems Then DrawOverlaysAction.Invoke(DrawingCanvas) End If RaiseEvent FinishedDrawing(DrawingCanvas) For Each dobj As GraphicObject In Me.DrawingObjects If TypeOf dobj Is Tables.FloatingTableGraphic Then dobj.Draw(DrawingCanvas) End If Next End Sub Public Sub UpdateSurface(surface As SKSurface) UpdateCanvas(surface.Canvas) End Sub Public Function GetCanvasTopLeftCorner() As SKPoint Dim minx As Integer = Integer.MaxValue Dim miny As Integer = Integer.MaxValue Dim maxx As Integer = 0 Dim maxy As Integer = 0 For Each gobj As IGraphicObject In Me.DrawingObjects If gobj.ObjectType <> ObjectType.Nenhum Then If gobj.X <= minx Then minx = gobj.X - 30 If gobj.X + gobj.Width >= maxx Then maxx = gobj.X + gobj.Width + 30 If gobj.Y <= miny Then miny = gobj.Y If gobj.Y + gobj.Height >= maxy Then maxy = gobj.Y + gobj.Height + 60 End If Next Return New SKPoint(minx, miny) End Function Public Function GetCanvasSize() As SKSize Dim minx As Integer = Integer.MaxValue Dim miny As Integer = Integer.MaxValue Dim maxx As Integer = 0 Dim maxy As Integer = 0 For Each gobj As IGraphicObject In Me.DrawingObjects If gobj.ObjectType <> ObjectType.Nenhum Then If gobj.X <= minx Then minx = gobj.X - 30 If gobj.X + gobj.Width >= maxx Then maxx = gobj.X + gobj.Width + 30 If gobj.Y <= miny Then miny = gobj.Y If gobj.Y + gobj.Height >= maxy Then maxy = gobj.Y + gobj.Height + 30 End If Next Dim width = maxx - minx Dim height = maxy - miny Return New SKSize(width, height) End Function Private Sub DrawInstructions(canvas As SKCanvas) Dim text As New Text.StringBuilder text.AppendLine("How to create and run a new simulation") text.AppendLine("(If you've configured the simulation using the Setup Wizard, skip to Step 3)") text.AppendLine("") text.AppendLine("1. Select Compounds to add to the simulation ('Setup' > 'Compounds')") text.AppendLine("2. Add at least one Property Package and one Flash Algorithm ('Setup' > 'Basis')") text.AppendLine("3. Add Unit Operations to the Flowsheet ('Objects' > 'Add New Simulation Object')") text.AppendLine("4. Add Material and Energy Streams to the Flowsheet ('Objects' > 'Add New Simulation Object')") text.AppendLine("5. Select an object to display its editing panels on the Object Editor area.") text.AppendLine("6. Connect unit operation blocks to streams (select object, go to Object Editor and select the 'Connections' tab)") text.AppendLine("7. Edit properties of the upstream Material Streams and all Unit Operations (select object, go to Object Editor, select the 'Properties' tab)") text.AppendLine("8. Run the simulation (press F5)") text.AppendLine("9. To view the simulation results, go the 'Results' tab and select an object on the list.") text.AppendLine("") text.AppendLine("Useful shortcuts") text.AppendLine("") text.AppendLine("ALT + Double-click on selected object: view results") text.AppendLine("CTRL + Double-click on selected object: debug object") text.AppendLine("Double-click on blank area: zoom flowsheet to fit window") text.AppendLine("Mouse wheel: zoom in/out") Dim tpaint As New SKPaint() With tpaint .TextSize = 16 .IsAntialias = GlobalSettings.Settings.DrawingAntiAlias .Color = SKColors.LightSlateGray .IsStroke = False .Typeface = RegularTypeFace End With Dim lines = text.ToString().Split(vbLf) Dim newy As Integer = 50 For Each l As String In lines Dim trect As New SKRect(0, 0, 2, 2) tpaint.GetTextPath(l, 0, 0).GetBounds(trect) newy += trect.Height + 10 canvas.DrawText(l, 50, newy, tpaint) Next End Sub Public Sub AlignSelectedObjects(direction As AlignDirection) If Me.SelectedObjects.Count > 1 Then Dim refpos As Integer = 0 Select Case direction Case AlignDirection.Lefts refpos = 10000000 For Each obj As IGraphicObject In Me.SelectedObjects.Values If obj.X < refpos Then refpos = obj.X Next For Each obj As IGraphicObject In Me.SelectedObjects.Values obj.X = refpos Next Case AlignDirection.Centers For Each obj As IGraphicObject In Me.SelectedObjects.Values refpos += obj.X + obj.Width / 2 Next refpos /= Me.SelectedObjects.Count For Each obj As IGraphicObject In Me.SelectedObjects.Values obj.X = refpos - obj.Width / 2 Next Case AlignDirection.Rights For Each obj As IGraphicObject In Me.SelectedObjects.Values refpos += obj.X + obj.Width Next refpos /= Me.SelectedObjects.Count For Each obj As IGraphicObject In Me.SelectedObjects.Values obj.X = refpos - obj.Width Next Case AlignDirection.Tops refpos = 10000000 For Each obj As IGraphicObject In Me.SelectedObjects.Values If obj.Y < refpos Then refpos = obj.Y Next For Each obj As IGraphicObject In Me.SelectedObjects.Values obj.Y = refpos Next Case AlignDirection.Middles For Each obj As IGraphicObject In Me.SelectedObjects.Values refpos += obj.Y + obj.Height / 2 Next refpos /= Me.SelectedObjects.Count For Each obj As IGraphicObject In Me.SelectedObjects.Values obj.Y = refpos - obj.Height / 2 Next Case AlignDirection.Bottoms For Each obj As IGraphicObject In Me.SelectedObjects.Values refpos += obj.Y + obj.Height Next refpos /= Me.SelectedObjects.Count For Each obj As IGraphicObject In Me.SelectedObjects.Values obj.Y = refpos - obj.Height Next Case AlignDirection.EqualizeHorizontal Dim orderedlist As List(Of IGraphicObject) = Me.SelectedObjects.Values.OrderBy(Function(o) o.X).ToList Dim avgdist As Integer, i As Integer For i = 1 To orderedlist.Count - 1 avgdist += (orderedlist(i).X) - (orderedlist(i - 1).X + orderedlist(i - 1).Width) Next avgdist /= (orderedlist.Count - 1) For i = 1 To orderedlist.Count - 1 orderedlist(i).X = orderedlist(i - 1).X + orderedlist(i - 1).Width + avgdist Next Case AlignDirection.EqualizeVertical Dim orderedlist As List(Of IGraphicObject) = Me.SelectedObjects.Values.OrderBy(Function(o) o.Y).ToList Dim avgdist As Integer, i As Integer For i = 1 To orderedlist.Count - 1 avgdist += (orderedlist(i).Y) - (orderedlist(i - 1).Y + orderedlist(i - 1).Height) Next avgdist /= (orderedlist.Count - 1) For i = 1 To orderedlist.Count - 1 orderedlist(i).Y = orderedlist(i - 1).Y + orderedlist(i - 1).Height + avgdist Next End Select End If End Sub Public Sub OffsetAll(deltax As Single, deltay As Single) If deltax > 10000000000.0 Or deltay > 10000000000.0 Then Exit Sub For Each gobj As IGraphicObject In Me.DrawingObjects If Not gobj.IsConnector Then gobj.X += deltax gobj.Y += deltay End If Next Origin.Offset(deltax, deltay) End Sub Public Sub ZoomAll(viewwidth As Integer, viewheight As Integer) If Me.DrawingObjects.Count = 0 Then Exit Sub Size = New SKSize(viewwidth, viewheight) Dim minx As Integer = Integer.MaxValue Dim miny As Integer = Integer.MaxValue Dim maxx As Integer = 0 Dim maxy As Integer = 0 For Each gobj As IGraphicObject In Me.DrawingObjects If gobj.ObjectType <> ObjectType.Nenhum Then If gobj.X <= minx Then minx = gobj.X - 30 If gobj.X + gobj.Width >= maxx Then maxx = gobj.X + gobj.Width + 30 If gobj.Y <= miny Then miny = gobj.Y If gobj.Y + gobj.Height >= maxy Then maxy = gobj.Y + gobj.Height + 60 End If Next Dim newx, newy As Integer newx = minx - 30 newy = miny - 30 If newx < 0 Then newx = 30 If newy < 0 Then newy = 30 Dim zoomx As Double = 1.0# Dim zoomy As Double = 1.0# zoomx = viewwidth / (maxx - newx) zoomy = viewheight / (maxy - newy) Dim newzoom As Single = Math.Min(zoomx, zoomy) If newzoom > 0.0# And newzoom < 100.0# Then Zoom = newzoom Dim mindevx, mindevy As Integer mindevx = 30 mindevy = 30 Dim deltax, deltay As Integer deltax = mindevx - minx deltay = mindevy - miny Origin.Offset(deltax, deltay) For Each gobj As IGraphicObject In Me.DrawingObjects If Not gobj.IsConnector Then gobj.X += deltax gobj.Y += deltay End If Next End If End Sub Public Sub Center(viewwidth As Integer, viewheight As Integer) Dim minx As Integer = Integer.MaxValue Dim miny As Integer = Integer.MaxValue Dim maxx As Integer = 0 Dim maxy As Integer = 0 Dim middlex, middley As Integer For Each gobj As IGraphicObject In Me.DrawingObjects If gobj.ObjectType <> ObjectType.Nenhum Then If gobj.X <= minx Then minx = gobj.X If gobj.X + gobj.Width >= maxx Then maxx = gobj.X + gobj.Width + 60 If gobj.Y <= miny Then miny = gobj.Y If gobj.Y + gobj.Height >= maxy Then maxy = gobj.Y + gobj.Height + 60 End If Next middlex = (minx + maxx) / 2 middley = (miny + maxy) / 2 Dim deltax = (viewwidth / 2 / Zoom - middlex) Dim deltay = (viewheight / 2 / Zoom - middley) 'Origin.Offset(deltax, deltay) For Each gobj As IGraphicObject In Me.DrawingObjects If Not gobj.IsConnector Then gobj.X += deltax gobj.Y += deltay End If Next End Sub Public Sub CenterTo(oldzoom As Double, mx As Integer, my As Integer, viewwidth As Integer, viewheight As Integer) Dim x1 = mx / oldzoom Dim y1 = my / oldzoom Dim x2 = mx / Zoom Dim y2 = my / Zoom Dim deltax = x2 - x1 Dim deltay = y2 - y1 'Origin.Offset(deltax, deltay) For Each gobj As IGraphicObject In Me.DrawingObjects If Not gobj.IsConnector Then gobj.X += deltax gobj.Y += deltay End If Next End Sub Public Sub InputMove(x As Integer, y As Integer) Dim dx As Integer = -(x - dragStart.X) Dim dy As Integer = -(y - dragStart.Y) If Not ResizingMode Then If draggingfs Then Dim dragPoint As New SKPoint(x, y) dragPoint.X += dragOffset.X dragPoint.Y += dragOffset.Y For Each gr As IGraphicObject In Me.DrawingObjects If Not gr.IsConnector Then Dim p As SKPoint = New SKPoint(gr.X, gr.Y) p.X += (x - dragStart.X) / Me.Zoom p.Y += (y - dragStart.Y) / Me.Zoom gr.X = p.X gr.Y = p.Y End If Next dragStart = New SKPoint(x, y) Origin.Offset(New SKPoint(-dx / Zoom, -dy / Zoom)) Else Dim dragPoint As New SKPoint(x, y) If Not SelectedObject Is Nothing Then If Not SelectedObject.IsConnector Then If dragging Then dragPoint.X += dragOffset.X dragPoint.Y += dragOffset.Y For Each gr As IGraphicObject In Me.SelectedObjects.Values Dim p As SKPoint = New SKPoint(gr.X, gr.Y) p.X += (x - dragStart.X) / Zoom p.Y += (y - dragStart.Y) / Zoom gr.X = p.X gr.Y = p.Y Next dragStart = New SKPoint(x, y) RaiseEvent StatusUpdate(Me, New StatusUpdateEventArgs(StatusUpdateType.ObjectMoved, Me.SelectedObject, String.Format("Object Moved to {0}, {1}", dragPoint.X, dragPoint.Y), dragPoint, 0)) End If End If Else If selectionDragging Then Dim x0, y0, x1, y1 As Integer x0 = rectp0.X / Zoom y0 = rectp0.Y / Zoom x1 = dragPoint.X / Zoom y1 = dragPoint.Y / Zoom If x1 > x0 Then selectionRect.Left = x0 Else selectionRect.Left = x1 End If If y1 > y0 Then selectionRect.Top = y0 Else selectionRect.Top = y1 End If selectionRect.Right = selectionRect.Left + Math.Abs(x1 - x0) selectionRect.Bottom = selectionRect.Top + Math.Abs(y1 - y0) End If End If If Not dragging And DrawFloatingTable Then Dim gobj As GraphicObject = FindObjectAtPoint(New SKPoint(x, y)) If Not gobj Is Nothing Then If _FloatingTable Is Nothing And Not _ gobj.ObjectType = ObjectType.GO_FloatingTable And Not _ gobj.ObjectType = ObjectType.GO_MasterTable And Not _ gobj.ObjectType = ObjectType.GO_SpreadsheetTable And Not _ gobj.ObjectType = ObjectType.GO_Table And Not _ gobj.ObjectType = ObjectType.GO_Image And Not _ gobj.ObjectType = ObjectType.GO_Text And Not _ gobj.ObjectType = ObjectType.GO_Rectangle And Not _ gobj.ObjectType = ObjectType.GO_Chart And Not _ gobj.ObjectType = ObjectType.Nenhum Then Dim flowsheet = gobj.Owner?.GetFlowsheet() If flowsheet IsNot Nothing Then If gobj.Calculated Or gobj.ObjectType = ObjectType.OT_Adjust Or gobj.ObjectType = ObjectType.OT_Spec Or gobj.ObjectType = ObjectType.OT_Recycle Or gobj.ObjectType = ObjectType.OT_EnergyRecycle Then If gobj.Owner IsNot Nothing Then Dim obj = gobj.Owner Dim tabela As New Tables.FloatingTableGraphic(obj, (x + 25) / Zoom, (y + 25) / Zoom) tabela.Owner = obj tabela.Tag = obj.Name tabela.Name = "QTAB-" & Guid.NewGuid.ToString tabela.HeaderText = gobj.Tag tabela.AdditionalInfo = Zoom _FloatingTable = tabela DrawingObjects.Add(tabela) End If End If End If ElseIf gobj.ObjectType = ObjectType.GO_FloatingTable Then If DrawingObjects.Contains(_FloatingTable) Then DrawingObjects.Remove(_FloatingTable) _FloatingTable = Nothing End If Else Try If DrawingObjects.Contains(_FloatingTable) Then DrawingObjects.Remove(_FloatingTable) _FloatingTable = Nothing Catch ex As Exception Console.WriteLine(ex.Message) End Try End If Else Try If DrawingObjects.Contains(_FloatingTable) Then DrawingObjects.Remove(_FloatingTable) _FloatingTable = Nothing Catch ex As Exception Console.WriteLine(ex.Message) End Try End If End If Else If Not Me.SelectedObject Is Nothing Then Dim neww, newh As Integer If ResizingMode_KeepAR Then neww = Size0.Width - Convert.ToDouble(Size0.Width / Size0.Height) * Math.Min(dx, dy) newh = Size0.Height - Math.Min(dx, dy) Else neww = Size0.Width - dx newh = Size0.Height - dy End If If neww > 10 And newh > 10 Then Me.SelectedObject.Width = neww Me.SelectedObject.Height = newh Else Me.SelectedObject.Width = 10 Me.SelectedObject.Height = 10 End If End If End If RaiseEvent InputMoved(Me, New SelectionChangedEventArgs(SelectedObject)) End Sub Public Sub InputRelease() If ControlPanelMode Then If TypeOf SelectedObject Is Shapes.ButtonGraphic Then With DirectCast(SelectedObject, Shapes.ButtonGraphic) .Pressed = False .Run() End With End If Exit Sub End If If Not ResizingMode Then draggingfs = False If dragging And SnapToGrid Then Dim oc As SKPoint Dim snapx, snapy As Integer For Each go As GraphicObject In Me.SelectedObjects.Values oc = New SKPoint(go.X + go.Width / 2, go.Y + go.Height / 2) snapx = Math.Round(oc.X / GridSize) * GridSize - go.Width / 2 snapy = Math.Round(oc.Y / GridSize) * GridSize - go.Height / 2 go.SetPosition(New SKPoint(snapx, snapy)) Next End If dragging = False If selectionDragging Then Dim zoomedSelection As SKRect = selectionRect Dim graphicObj As IGraphicObject For Each graphicObj In Me.DrawingObjects If graphicObj.HitTest(zoomedSelection) Then Me.SelectedObject = graphicObj Exit For End If Next For Each graphicObj In Me.DrawingObjects If graphicObj.HitTest(zoomedSelection) Then If Not Me.SelectedObjects.ContainsKey(graphicObj.Name) Then Me.SelectedObjects.Add(graphicObj.Name, graphicObj) End If Next selectionDragging = False justselected = True Else SelectedObject?.DisplayControlPanelModeEditor() End If Else Size0 = Nothing End If RaiseEvent InputReleased(Me, New SelectionChangedEventArgs(SelectedObject)) End Sub Public Sub InputPress(x As Integer, y As Integer) If ControlPanelMode Then SelectedObject = FindObjectAtPoint(New SKPoint(x, y)) SelectedObject?.DisplayControlPanelModeEditor() If TypeOf SelectedObject Is SwitchGraphic Then Dim switchobj = DirectCast(SelectedObject.Owner, ISwitch) switchobj.IsOn = Not switchobj.IsOn DirectCast(switchobj, ISimulationObject).Calculate() End If If TypeOf SelectedObject Is Shapes.ButtonGraphic Then With DirectCast(SelectedObject, Shapes.ButtonGraphic) .Pressed = True End With End If Else #If LINUX Then SelectRectangle = False #Else If MultiSelectMode Then SelectRectangle = Not My.Computer.Keyboard.ShiftKeyDown Else SelectRectangle = My.Computer.Keyboard.ShiftKeyDown End If #End If Dim mousePT As New SKPoint(x, y) dragStart = New SKPoint(x, y) SelectedObject = FindObjectAtPoint(mousePT) If Not SelectedObject Is Nothing Then Size0 = New SKSize(SelectedObject.Width, SelectedObject.Height) If Not ResizingMode Then If Me.SelectedObject Is Nothing Then Me.SelectedObjects.Clear() justselected = False draggingfs = Not SelectRectangle Else #If LINUX Then If Not justselected Then Me.SelectedObjects.Clear() If Not Me.SelectedObjects.ContainsKey(Me.SelectedObject.Name) Then Me.SelectedObjects.Add(Me.SelectedObject.Name, Me.SelectedObject) End If justselected = False #Else If My.Computer.Keyboard.CtrlKeyDown And MultiSelectMode Then If Not Me.SelectedObjects.ContainsKey(Me.SelectedObject.Name) Then Me.SelectedObjects.Add(Me.SelectedObject.Name, Me.SelectedObject) Else Me.SelectedObjects.Remove(Me.SelectedObject.Name) End If justselected = True Else If Not justselected Then Me.SelectedObjects.Clear() If Not Me.SelectedObjects.ContainsKey(Me.SelectedObject.Name) Then Me.SelectedObjects.Add(Me.SelectedObject.Name, Me.SelectedObject) End If justselected = False End If #End If End If If Not SelectedObject Is Nothing Then dragging = True dragOffset.X = SelectedObject.X - mousePT.X dragOffset.Y = SelectedObject.Y - mousePT.Y Else If Me.SelectRectangle Then selectionDragging = True rectp0.X = mousePT.X rectp0.Y = mousePT.Y selectionRect.Left = mousePT.X selectionRect.Top = mousePT.Y selectionRect.Right = mousePT.X + 1 selectionRect.Bottom = mousePT.Y + 1 End If End If End If End If RaiseEvent InputPressed(Me, New SelectionChangedEventArgs(SelectedObject)) End Sub Public Sub DeleteSelectedObject(gobj As IGraphicObject) Dim objectToDelete As IGraphicObject = gobj If Not objectToDelete Is Nothing Then If Me.DrawingObjects.Contains(objectToDelete) Then Me.DrawingObjects.Remove(objectToDelete) Me.SelectedObject = Nothing RaiseEvent StatusUpdate(Me, New StatusUpdateEventArgs(StatusUpdateType.ObjectDeleted, Nothing, "", Nothing, 0)) End If End If End Sub Public Sub DeleteAllObjects() Me.DrawingObjects.Clear() RaiseEvent StatusUpdate(Me, New StatusUpdateEventArgs(StatusUpdateType.ObjectDeleted, Nothing, "", Nothing, 0)) End Sub Private Function AngleToPoint(ByVal Origin As SKPoint, ByVal Target As SKPoint) As Single 'a cool little utility function, 'given two points finds the angle between them.... 'forced me to recall my highschool math, 'but the task is made easier by a special overload to 'Atan that takes X,Y co-ordinates. Dim Angle As Single Target.X = Target.X - Origin.X Target.Y = Target.Y - Origin.Y Angle = Math.Atan2(Target.Y, Target.X) / (Math.PI / 180) Return Angle End Function Public Sub ConnectObject(ByVal gObjFrom As GraphicObject, ByVal gObjTo As GraphicObject, Optional ByVal fidx As Integer = -1, Optional ByVal tidx As Integer = -1) If gObjFrom.ObjectType <> ObjectType.GO_Image And gObjFrom.ObjectType <> ObjectType.GO_Table And gObjFrom.ObjectType <> ObjectType.GO_Table And gObjFrom.ObjectType <> ObjectType.GO_FloatingTable And gObjFrom.ObjectType <> ObjectType.Nenhum And gObjTo.ObjectType <> ObjectType.GO_Image And gObjTo.ObjectType <> ObjectType.GO_Table And gObjTo.ObjectType <> ObjectType.GO_Table And gObjTo.ObjectType <> ObjectType.GO_FloatingTable And gObjTo.ObjectType <> ObjectType.Nenhum And gObjTo.ObjectType <> ObjectType.GO_MasterTable Then Dim con1OK As Boolean = False Dim con2OK As Boolean = False 'posicionar pontos nos primeiros slots livres Dim StartPos, EndPos As New Point Dim InConSlot As IConnectionPoint = Nothing Dim OutConSlot As IConnectionPoint = Nothing If Not gObjFrom Is Nothing Then If Not gObjTo Is Nothing Then If gObjFrom.ObjectType = ObjectType.MaterialStream AndAlso gObjFrom.InputConnectors(0).IsAttached Then If gObjTo.Name = gObjFrom.InputConnectors(0).AttachedConnector.AttachedFrom.Name Then Throw New Exception("This connection is not allowed.") End If End If If gObjFrom.ObjectType = ObjectType.EnergyStream AndAlso gObjFrom.InputConnectors(0).IsAttached Then If gObjTo.Name = gObjFrom.InputConnectors(0).AttachedConnector.AttachedFrom.Name Then Throw New Exception("This connection is not allowed.") End If End If If gObjTo.ObjectType = ObjectType.MaterialStream AndAlso gObjTo.OutputConnectors(0).IsAttached Then If gObjFrom.Name = gObjTo.OutputConnectors(0).AttachedConnector.AttachedTo.Name Then Throw New Exception("This connection is not allowed.") End If End If If gObjTo.ObjectType = ObjectType.EnergyStream AndAlso gObjTo.OutputConnectors(0).IsAttached Then If gObjFrom.Name = gObjTo.OutputConnectors(0).AttachedConnector.AttachedTo.Name Then Throw New Exception("This connection is not allowed.") End If End If If gObjFrom.ObjectType = ObjectType.MaterialStream And gObjTo.ObjectType = ObjectType.MaterialStream Then Throw New Exception("This connection is not allowed.") ElseIf gObjFrom.ObjectType = ObjectType.EnergyStream And gObjTo.ObjectType = ObjectType.EnergyStream Then Throw New Exception("This connection is not allowed.") ElseIf Not gObjFrom.ObjectType = ObjectType.MaterialStream And Not gObjFrom.ObjectType = ObjectType.EnergyStream Then If Not gObjTo.ObjectType = ObjectType.EnergyStream And Not gObjTo.ObjectType = ObjectType.MaterialStream Then Throw New Exception("This connection is not allowed.") End If ElseIf gObjFrom.ObjectType = ObjectType.MaterialStream And gObjTo.ObjectType = ObjectType.EnergyStream Then Throw New Exception("This connection is not allowed.") ElseIf gObjFrom.ObjectType = ObjectType.EnergyStream And gObjTo.ObjectType = ObjectType.MaterialStream Then Throw New Exception("This connection is not allowed.") End If If gObjTo.IsEnergyStream = False Then If Not gObjFrom.IsEnergyStream Then If tidx = -1 Then For Each InConSlot In gObjTo.InputConnectors If Not InConSlot.IsAttached And InConSlot.Type = ConType.ConIn Then EndPos.X = InConSlot.Position.X EndPos.Y = InConSlot.Position.Y InConSlot.IsAttached = True con2OK = True Exit For End If Next Else If Not gObjTo.InputConnectors(tidx).IsAttached And gObjTo.InputConnectors(tidx).Type = ConType.ConIn Then InConSlot = gObjTo.InputConnectors(tidx) EndPos.X = InConSlot.Position.X EndPos.Y = InConSlot.Position.Y InConSlot.IsAttached = True con2OK = True End If End If Else If tidx = -1 Then For Each InConSlot In gObjTo.InputConnectors If Not InConSlot.IsAttached And InConSlot.Type = ConType.ConEn Then EndPos.X = InConSlot.Position.X EndPos.Y = InConSlot.Position.Y InConSlot.IsAttached = True con2OK = True Exit For End If Next Else If Not gObjTo.InputConnectors(tidx).IsAttached And gObjTo.InputConnectors(tidx).Type = ConType.ConEn Then InConSlot = gObjTo.InputConnectors(tidx) EndPos.X = InConSlot.Position.X EndPos.Y = InConSlot.Position.Y InConSlot.IsAttached = True con2OK = True End If End If If Not con2OK Then Throw New Exception("This connection is not allowed.") Exit Sub End If End If If fidx = -1 Then For Each OutConSlot In gObjFrom.OutputConnectors If Not OutConSlot.IsAttached Then StartPos.X = OutConSlot.Position.X StartPos.Y = OutConSlot.Position.Y OutConSlot.IsAttached = True If con2OK Then con1OK = True Exit For End If Next Else If Not gObjFrom.OutputConnectors(fidx).IsAttached Then OutConSlot = gObjFrom.OutputConnectors(fidx) StartPos.X = OutConSlot.Position.X StartPos.Y = OutConSlot.Position.Y OutConSlot.IsAttached = True If con2OK Then con1OK = True End If End If Else Select Case gObjFrom.ObjectType Case ObjectType.Cooler, ObjectType.Heater, ObjectType.Pipe, ObjectType.Expander, ObjectType.ShortcutColumn, ObjectType.DistillationColumn, ObjectType.AbsorptionColumn, ObjectType.ReboiledAbsorber, ObjectType.RefluxedAbsorber, ObjectType.OT_EnergyRecycle, ObjectType.ComponentSeparator, ObjectType.SolidSeparator, ObjectType.Filter, ObjectType.CustomUO, ObjectType.CapeOpenUO, ObjectType.FlowsheetUO, ObjectType.External, ObjectType.RCT_Conversion GoTo 100 Case Else Throw New Exception("This connection is not allowed.") End Select 100: If gObjFrom.ObjectType <> ObjectType.CapeOpenUO And gObjFrom.ObjectType <> ObjectType.CustomUO And gObjFrom.ObjectType <> ObjectType.DistillationColumn _ And gObjFrom.ObjectType <> ObjectType.AbsorptionColumn And gObjFrom.ObjectType <> ObjectType.OT_EnergyRecycle And gObjFrom.ObjectType <> ObjectType.External _ And gObjFrom.ObjectType <> ObjectType.RefluxedAbsorber And gObjFrom.ObjectType <> ObjectType.ReboiledAbsorber _ And gObjFrom.ObjectType <> ObjectType.RCT_Conversion Then If Not gObjFrom.EnergyConnector.IsAttached Then StartPos.X = gObjFrom.EnergyConnector.Position.X StartPos.Y = gObjFrom.EnergyConnector.Position.Y gObjFrom.EnergyConnector.IsAttached = True con1OK = True OutConSlot = gObjFrom.EnergyConnector EndPos.X = gObjTo.InputConnectors(0).Position.X EndPos.Y = gObjTo.InputConnectors(0).Position.Y gObjTo.InputConnectors(0).IsAttached = True con2OK = True InConSlot = gObjTo.InputConnectors(0) End If Else If tidx = -1 Then For Each InConSlot In gObjTo.InputConnectors If Not InConSlot.IsAttached And InConSlot.Type = ConType.ConIn Then EndPos.X = InConSlot.Position.X EndPos.Y = InConSlot.Position.Y InConSlot.IsAttached = True con2OK = True Exit For End If Next Else If Not gObjTo.InputConnectors(tidx).IsAttached And gObjTo.InputConnectors(tidx).Type = ConType.ConIn Then InConSlot = gObjTo.InputConnectors(tidx) EndPos.X = InConSlot.Position.X EndPos.Y = InConSlot.Position.Y InConSlot.IsAttached = True con2OK = True End If End If If fidx = -1 Then For Each OutConSlot In gObjFrom.OutputConnectors If Not OutConSlot.IsAttached And OutConSlot.Type = ConType.ConEn Then StartPos.X = OutConSlot.Position.X StartPos.Y = OutConSlot.Position.Y OutConSlot.IsAttached = True If con2OK Then con1OK = True Exit For End If Next Else If Not gObjFrom.OutputConnectors(fidx).IsAttached Then OutConSlot = gObjFrom.OutputConnectors(fidx) StartPos.X = OutConSlot.Position.X StartPos.Y = OutConSlot.Position.Y OutConSlot.IsAttached = True If con2OK Then con1OK = True End If End If End If End If Else 'Console.WriteLine(("Nohobjetosaseremcone"), Color.Blue, MessageType.Information) Exit Sub End If Else 'Console.WriteLine(("Nohobjetosaseremcone"), Color.Blue, MessageType.Information) Exit Sub End If If con1OK = True And con2OK = True Then 'desenhar conector Dim myCon As New ConnectorGraphic(StartPos.X, StartPos.Y, EndPos.X, EndPos.Y) OutConSlot.AttachedConnector = myCon InConSlot.AttachedConnector = myCon With myCon .IsConnector = True .AttachedFrom = gObjFrom If gObjFrom.IsEnergyStream Then .AttachedFromEnergy = True End If If gObjFrom.OutputConnectors.Contains(OutConSlot) Then .AttachedFromConnectorIndex = gObjFrom.OutputConnectors.IndexOf(OutConSlot) .AttachedFromInput = False Else .AttachedFromConnectorIndex = gObjFrom.InputConnectors.IndexOf(OutConSlot) .AttachedFromInput = True End If .AttachedTo = gObjTo If gObjTo.IsEnergyStream Then .AttachedToEnergy = True End If If gObjTo.InputConnectors.Contains(InConSlot) Then .AttachedToConnectorIndex = gObjTo.InputConnectors.IndexOf(InConSlot) .AttachedToOutput = False Else .AttachedToConnectorIndex = gObjTo.OutputConnectors.IndexOf(InConSlot) .AttachedToOutput = True End If If Not myCon Is Nothing Then DrawingObjects.Add(myCon) End If End With RaiseEvent ObjectsConnected(Me, New ObjectConnectionChangedArgs(gObjFrom, gObjTo)) Else Throw New Exception("The requested connection between the given objects cannot be done.") End If Else End If End Sub Public Sub DisconnectObject(ByVal gObjFrom As GraphicObject, ByVal gObjTo As GraphicObject, Optional ByVal triggercalc As Boolean = False) Dim conObj As ConnectorGraphic = Nothing Dim SelObj As GraphicObject = gObjFrom Dim ObjToDisconnect As GraphicObject = Nothing Dim gobj1 As GraphicObject = Nothing Dim gobj2 As GraphicObject = Nothing ObjToDisconnect = gObjTo Dim i1, i2 As Integer If Not ObjToDisconnect Is Nothing Then Dim conptObj As ConnectionPoint = Nothing For Each conptObj In SelObj.InputConnectors If conptObj.IsAttached = True Then If Not conptObj.AttachedConnector Is Nothing Then If conptObj.AttachedConnector.AttachedFrom.Name.ToString = ObjToDisconnect.Name.ToString Then i1 = conptObj.AttachedConnector.AttachedFromConnectorIndex i2 = conptObj.AttachedConnector.AttachedToConnectorIndex gobj1 = gObjTo gobj2 = gObjFrom conptObj.AttachedConnector.AttachedFrom.OutputConnectors(conptObj.AttachedConnector.AttachedFromConnectorIndex).IsAttached = False conptObj.AttachedConnector.AttachedFrom.OutputConnectors(conptObj.AttachedConnector.AttachedFromConnectorIndex).AttachedConnector = Nothing SelectedObjects.Clear() conptObj.IsAttached = False DeleteSelectedObject(conptObj.AttachedConnector) End If End If End If Next For Each conptObj In SelObj.OutputConnectors If conptObj.IsAttached = True Then If Not conptObj.AttachedConnector Is Nothing Then If conptObj.AttachedConnector.AttachedTo.Name.ToString = ObjToDisconnect.Name.ToString Then i1 = conptObj.AttachedConnector.AttachedFromConnectorIndex i2 = conptObj.AttachedConnector.AttachedToConnectorIndex gobj1 = gObjFrom gobj2 = gObjTo conptObj.AttachedConnector.AttachedTo.InputConnectors(conptObj.AttachedConnector.AttachedToConnectorIndex).IsAttached = False conptObj.AttachedConnector.AttachedTo.InputConnectors(conptObj.AttachedConnector.AttachedToConnectorIndex).AttachedConnector = Nothing conptObj.IsAttached = False DeleteSelectedObject(conptObj.AttachedConnector) End If End If End If Next If SelObj.EnergyConnector.IsAttached = True Then If SelObj.EnergyConnector.AttachedConnector.AttachedTo.Name.ToString = ObjToDisconnect.Name.ToString Then i1 = SelObj.EnergyConnector.AttachedConnector.AttachedFromConnectorIndex i2 = SelObj.EnergyConnector.AttachedConnector.AttachedToConnectorIndex gobj1 = SelObj gobj2 = ObjToDisconnect SelObj.EnergyConnector.AttachedConnector.AttachedTo.InputConnectors(SelObj.EnergyConnector.AttachedConnector.AttachedToConnectorIndex).IsAttached = False SelObj.EnergyConnector.AttachedConnector.AttachedTo.InputConnectors(SelObj.EnergyConnector.AttachedConnector.AttachedToConnectorIndex).AttachedConnector = Nothing SelObj.EnergyConnector.IsAttached = False DeleteSelectedObject(SelObj.EnergyConnector.AttachedConnector) End If End If RaiseEvent ObjectsDisconnected(Me, New ObjectConnectionChangedArgs(gObjFrom, gObjTo)) End If End Sub Public Function FindObjectAtPoint(ByVal pt As SKPoint) As GraphicObject Dim objlist As New List(Of GraphicObject) Dim drawObj As GraphicObject Dim i As Integer If Me.DrawingObjects.Count > 0 Then For i = Me.DrawingObjects.Count - 1 To 0 Step -1 drawObj = CType(Me.DrawingObjects(i), GraphicObject) If Not drawObj.IsConnector AndAlso drawObj.HitTest(New SKPoint(pt.X / Zoom, pt.Y / Zoom)) Then objlist.Add(drawObj) End If Next End If If objlist.Count > 1 Then For Each obj In objlist If obj.ObjectType <> ObjectType.GO_Rectangle Then Return obj Next ElseIf objlist.Count = 1 Then Return objlist(0) Else Return Nothing End If Return Nothing End Function Public Function FindObjectAtPointAbsolute(ByVal pt As SKPoint) As GraphicObject Dim objlist As New List(Of GraphicObject) Dim drawObj As GraphicObject Dim i As Integer If Me.DrawingObjects.Count > 0 Then For i = Me.DrawingObjects.Count - 1 To 0 Step -1 drawObj = CType(Me.DrawingObjects(i), GraphicObject) If drawObj.HitTest(New SKPoint(pt.X, pt.Y)) Then objlist.Add(drawObj) End If Next End If If objlist.Count > 1 Then For Each obj In objlist If obj.ObjectType <> ObjectType.GO_Rectangle Then Return obj Next ElseIf objlist.Count = 1 Then Return objlist(0) Else Return Nothing End If Return Nothing End Function Public Function FindObjectAtBounds(x As Double, y As Double, w As Double, h As Double) As GraphicObject Dim objlist As New List(Of GraphicObject) Dim drawObj As GraphicObject Dim i As Integer If Me.DrawingObjects.Count > 0 Then For i = Me.DrawingObjects.Count - 1 To 0 Step -1 drawObj = CType(Me.DrawingObjects(i), GraphicObject) If Not drawObj.IsConnector AndAlso drawObj.HitTest(New SKPoint(x / Zoom, y / Zoom)) Then objlist.Add(drawObj) If Not drawObj.IsConnector AndAlso drawObj.HitTest(New SKPoint((x + w) / Zoom, y / Zoom)) Then objlist.Add(drawObj) If Not drawObj.IsConnector AndAlso drawObj.HitTest(New SKPoint(x / Zoom, (y + h) / Zoom)) Then objlist.Add(drawObj) If Not drawObj.IsConnector AndAlso drawObj.HitTest(New SKPoint((x + w) / Zoom, (y + h) / Zoom)) Then objlist.Add(drawObj) Next End If If objlist.Count > 1 Then For Each obj In objlist Return obj Next ElseIf objlist.Count = 1 Then Return objlist(0) Else Return Nothing End If Return Nothing End Function Public Function FindObjectsAtBounds(x As Double, y As Double, w As Double, h As Double) As List(Of GraphicObject) Dim objlist As New List(Of GraphicObject) Dim drawObj As GraphicObject Dim i As Integer If Me.DrawingObjects.Count > 0 Then For i = Me.DrawingObjects.Count - 1 To 0 Step -1 drawObj = CType(Me.DrawingObjects(i), GraphicObject) If Not drawObj.IsConnector AndAlso drawObj.IsInRect(New SKRect(x, y, x + w, y + h)) Then objlist.Add(drawObj) End If Next End If Return objlist End Function Protected Function ZoomRectangle(ByVal originalRect As SKRect) As SKRect Dim myNewRect As New SKRect(originalRect.Left * Me.Zoom, originalRect.Top * Me.Zoom, (originalRect.Left + originalRect.Right) * Me.Zoom, (originalRect.Top + originalRect.Bottom) * Me.Zoom) Return myNewRect End Function Protected Function DeZoomRectangle(ByVal originalRect As SKRect) As SKRect Dim myNewRect As New SKRect(originalRect.Left / Me.Zoom, originalRect.Top / Me.Zoom, (originalRect.Left + originalRect.Right) / Me.Zoom, (originalRect.Top + originalRect.Bottom) / Me.Zoom) Return myNewRect End Function Public Sub AddObject(ByVal obj As IGraphicObject, Optional ByVal forceposition As Boolean = False) 'check if an existing object already exists on the desired insertion point Dim dpoint = New SKPoint(obj.X, obj.Y) Dim pobj = FindObjectAtBounds(dpoint.X, dpoint.Y, obj.Width, obj.Height) While pobj IsNot Nothing dpoint = New SKPoint(dpoint.X, dpoint.Y + pobj.Height + 30) If dpoint.Y + obj.Height >= Size.Height Then dpoint.Y = obj.Y dpoint.X += pobj.Width + 30 End If pobj = FindObjectAtBounds(dpoint.X, dpoint.Y, obj.Width, obj.Height) End While obj.X = dpoint.X obj.Y = dpoint.Y DrawingObjects.Add(obj) AddedObject = obj Dim t As New Timers.Timer(16) t.Enabled = True AnimationStart = Date.Now DrawAddedAnimation = True AddHandler t.Elapsed, Sub() Dim tstep = (Date.Now - AnimationStart).TotalMilliseconds If tstep > Tmax Then t.Stop() DrawAddedAnimation = True Else InvalidateCallback?.Invoke() End If End Sub t.Start() RaiseEvent StatusUpdate(Me, New StatusUpdateEventArgs(StatusUpdateType.ObjectAdded, AddedObject, "", Nothing, 0)) End Sub Private Sub DrawPropertyListBlock(canvas As SKCanvas, gobj As GraphicObject) Dim X, Y, Padding, Height, Width As Double If gobj.Owner Is Nothing Then Exit Sub Padding = gobj.Owner.GetFlowsheet.FlowsheetOptions.DisplayCornerPropertyListPadding X = gobj.X + gobj.Width + 5 Y = gobj.Y + gobj.Height + 5 Dim tpaint As New SKPaint() With tpaint .TextSize = gobj.Owner.GetFlowsheet.FlowsheetOptions.DisplayCornerPropertyListFontSize .IsAntialias = GlobalSettings.Settings.DrawingAntiAlias .IsStroke = False Dim colors = New SKColors() Try If GlobalSettings.Settings.DarkMode Then .Color = ForegroundColor Else .Color = colors.GetType().GetField(gobj.Owner.GetFlowsheet.FlowsheetOptions.DisplayCornerPropertyListFontColor).GetValue(colors) End If .Typeface = SKTypeface.FromFamilyName(gobj.Owner.GetFlowsheet.FlowsheetOptions.DisplayCornerPropertyListFontName, SKFontStyleWeight.Bold, SKFontStyleWidth.Condensed, SKFontStyleSlant.Upright) Catch ex As Exception .Color = SKColors.DimGray .Typeface = SKTypeface.FromFamilyName("Consolas", SKTypefaceStyle.Bold, SKFontStyleWidth.Normal, SKFontStyleSlant.Upright) End Try colors = Nothing End With 'Dim bgpaint As New SKPaint() 'With bgpaint ' .Color = ForegroundColor.WithAlpha(100) ' .IsStroke = False 'End With If Not gobj.Owner Is Nothing Then If gobj.Owner.GetFlowsheet IsNot Nothing Then Dim fs = gobj.Owner.GetFlowsheet If Not fs.FlowsheetOptions.VisibleProperties.ContainsKey(gobj.Owner.GetType.Name) Then Exit Sub End If Dim count As Integer Dim props As New List(Of String)(fs.FlowsheetOptions.VisibleProperties(gobj.Owner.GetType.Name)) props.AddRange(DirectCast(gobj.Owner.ExtraProperties, IDictionary(Of String, Object)).Keys.ToArray) If gobj.Owner.GraphicObject.ObjectType = Enums.GraphicObjects.ObjectType.CapeOpenUO Then props = gobj.Owner.GetProperties(PropertyType.ALL).ToList Dim propstoremove As New List(Of String) If gobj.Owner.GraphicObject.ObjectType = Enums.GraphicObjects.ObjectType.MaterialStream Then For Each p In props If gobj.Owner.GetPropertyValue(p).Equals(Double.MinValue) Then propstoremove.Add(p) End If Next For i As Integer = 0 To propstoremove.Count - 1 props.Remove(propstoremove(i)) Next End If count = props.Count Dim fsize = MeasureString("MEASURE", tpaint) Height = count * (fsize.Height + Padding) + Padding Dim propstring, propval, propunit, text As String Dim pval0 As Object = Nothing Dim texts As New List(Of String) Dim n As Integer = 1 For Each prop In props propstring = gobj.Owner.GetFlowsheet.GetTranslatedString(prop) pval0 = gobj.Owner.GetPropertyValue(prop, gobj.Owner.GetFlowsheet.FlowsheetOptions.SelectedUnitSystem) If pval0 Is Nothing Then Exit For If TypeOf pval0 Is Double Then propval = Convert.ToDouble(pval0).ToString(gobj.Owner.GetFlowsheet.FlowsheetOptions.NumberFormat) Else propval = pval0.ToString End If propunit = gobj.Owner.GetPropertyUnit(prop, gobj.Owner.GetFlowsheet.FlowsheetOptions.SelectedUnitSystem) text = propstring + ": " + propval + " " + propunit If MeasureString(text, tpaint).Width > Width Then Width = MeasureString(text, tpaint).Width texts.Add(text) n += 1 Next 'canvas.DrawRect(New SKRect(X, Y + 2 * (fsize.Height + Padding), X + Width, Y + 2 * (fsize.Height + Padding) + Height), bgpaint) n = 1 For Each text In texts canvas.DrawText(text, X, Y + (n + 2) * (fsize.Height + Padding), tpaint) n += 1 Next props.Clear() props = Nothing End If End If End Sub Public Function MeasureString(text As String, paint As SKPaint) As SKSize Dim trect As New SKRect(0, 0, 2, 2) paint.GetTextPath(text, 0, 0).GetBounds(trect) Return New SKSize(trect.Width, trect.Height) End Function Public Sub AutoArrange(Optional ByVal DistanceFactor As Double = 1.0) Dim graph As New GeometryGraph Dim rec1 As ICurve PrevPositions = New Dictionary(Of String, Tuple(Of Point, Boolean)) For Each obj In DrawingObjects If Not obj.IsConnector Then Select Case obj.ObjectType Case ObjectType.GO_Rectangle, ObjectType.GO_FloatingTable Case Else rec1 = Microsoft.Msagl.Core.Geometry.Curves.CurveFactory.CreateRectangle(obj.Width, obj.Height, New Microsoft.Msagl.Core.Geometry.Point(obj.X + obj.Width / 2, obj.Y + obj.Height / 2)) Dim n1 = New Node(rec1, obj.Name) graph.Nodes.Add(n1) PrevPositions.Add(obj.Name, New Tuple(Of Point, Boolean)(New Point(obj.X, obj.Y), obj.FlippedH)) End Select End If Next For Each obj In DrawingObjects If TypeOf obj Is IConnectorGraphicObject Then Dim con = DirectCast(obj, IConnectorGraphicObject) Dim n1 = graph.Nodes.Where(Function(x) x.UserData = con.AttachedFrom.Name).FirstOrDefault Dim n2 = graph.Nodes.Where(Function(x) x.UserData = con.AttachedTo.Name).FirstOrDefault Dim e1 = New Edge(n1, n2) graph.Edges.Add(e1) ElseIf TypeOf obj Is Shapes.AdjustGraphic Then Dim adj = DirectCast(obj, DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.AdjustGraphic) Dim n0 = graph.Nodes.Where(Function(x) x.UserData = adj.Name).FirstOrDefault Dim n1 = graph.Nodes.Where(Function(x) x.UserData = adj.ConnectedToCv?.Name).FirstOrDefault Dim n2 = graph.Nodes.Where(Function(x) x.UserData = adj.ConnectedToMv?.Name).FirstOrDefault If n1 IsNot Nothing Then Dim e1 = New Edge(n0, n1) graph.Edges.Add(e1) End If If n2 IsNot Nothing Then Dim e1 = New Edge(n0, n2) graph.Edges.Add(e1) End If ElseIf TypeOf obj Is Shapes.PIDControllerGraphic Then Dim pid = DirectCast(obj, DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.PIDControllerGraphic) Dim n0 = graph.Nodes.Where(Function(x) x.UserData = pid.Name).FirstOrDefault Dim n1 = graph.Nodes.Where(Function(x) x.UserData = pid.ConnectedToCv?.Name).FirstOrDefault Dim n2 = graph.Nodes.Where(Function(x) x.UserData = pid.ConnectedToMv?.Name).FirstOrDefault If n1 IsNot Nothing Then Dim e1 = New Edge(n0, n1) graph.Edges.Add(e1) End If If n2 IsNot Nothing Then Dim e1 = New Edge(n0, n2) graph.Edges.Add(e1) End If ElseIf TypeOf obj Is Shapes.SpecGraphic Then Dim spec = DirectCast(obj, DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.SpecGraphic) Dim n0 = graph.Nodes.Where(Function(x) x.UserData = spec.Name).FirstOrDefault Dim n1 = graph.Nodes.Where(Function(x) x.UserData = spec.ConnectedToSv?.Name).FirstOrDefault Dim n2 = graph.Nodes.Where(Function(x) x.UserData = spec.ConnectedToTv?.Name).FirstOrDefault If n1 IsNot Nothing Then Dim e1 = New Edge(n0, n1) graph.Edges.Add(e1) End If If n2 IsNot Nothing Then Dim e1 = New Edge(n0, n2) graph.Edges.Add(e1) End If ElseIf obj.Owner IsNot Nothing Then Select Case obj.ObjectType Case ObjectType.Input Dim owneri = DirectCast(obj.Owner, IInput) Dim SelectedObject = obj.Owner.GetFlowsheet?.SimulationObjects.Values.Where(Function(x) x.Name = owneri.SelectedObjectID).FirstOrDefault If SelectedObject IsNot Nothing Then Dim n0 = graph.Nodes.Where(Function(x) x.UserData = obj.Name).FirstOrDefault Dim n1 = graph.Nodes.Where(Function(x) x.UserData = SelectedObject.Name).FirstOrDefault Dim e1 = New Edge(n0, n1) graph.Edges.Add(e1) End If Case ObjectType.LevelGauge, ObjectType.AnalogGauge, ObjectType.DigitalGauge Dim owneri = DirectCast(obj.Owner, IIndicator) Dim SelectedObject = obj.Owner.GetFlowsheet?.SimulationObjects.Values.Where(Function(x) x.Name = owneri.SelectedObjectID).FirstOrDefault If SelectedObject IsNot Nothing Then Dim n0 = graph.Nodes.Where(Function(x) x.UserData = obj.Name).FirstOrDefault Dim n1 = graph.Nodes.Where(Function(x) x.UserData = SelectedObject.Name).FirstOrDefault Dim e1 = New Edge(n0, n1) graph.Edges.Add(e1) End If End Select End If Next Dim settings = New FastIncrementalLayoutSettings() settings.AvoidOverlaps = True settings.PackingMethod = PackingMethod.Compact settings.NodeSeparation = 50 * DistanceFactor settings.RouteEdges = True settings.RespectEdgePorts = True Dim eset = New Microsoft.Msagl.Core.Routing.EdgeRoutingSettings() eset.EdgeRoutingMode = Microsoft.Msagl.Core.Routing.EdgeRoutingMode.SplineBundling settings.EdgeRoutingSettings = eset settings.Reporting = False Dim layout = New InitialLayout(graph, settings) layout.Run() graph.UpdateBoundingBox() For Each node In graph.Nodes Dim gobj = DrawingObjects.Where(Function(x) x.Name = node.UserData).FirstOrDefault gobj.X = node.Center.X - node.Width / 2 gobj.Y = node.Center.Y - node.Height / 2 Next settings = Nothing layout = Nothing graph = Nothing For Each obj In DrawingObjects If TypeOf obj Is ShapeGraphic And Not obj.IsConnector Then DirectCast(obj, ShapeGraphic).PositionConnectors() End If Next For Each obj In DrawingObjects If TypeOf obj Is ShapeGraphic And Not obj.IsConnector Then If obj.InputConnectors.Count = 1 And obj.OutputConnectors.Count = 1 Then If obj.InputConnectors(0).IsAttached Then If obj.InputConnectors(0).AttachedConnector.AttachedFrom.X > obj.X Then obj.FlippedH = True Else obj.FlippedH = False End If ElseIf obj.ObjectType = ObjectType.EnergyStream Then If obj.OutputConnectors(0).IsAttached Then Dim dest = obj.OutputConnectors(0).AttachedConnector.AttachedTo If dest.FlippedH Then obj.X += dest.Width * 1.3 Else obj.X -= dest.Width * 1.3 End If If dest.X < obj.X Then obj.FlippedH = True Else obj.FlippedH = False End If End If End If End If End If Next End Sub Public Sub ApplyNaturalLayout(orderedIds As List(Of String), deltaX As Integer) PrevPositions = New Dictionary(Of String, Tuple(Of Point, Boolean)) For Each objID In orderedIds Dim gobj = DrawingObjects.Where(Function(o) o.Name = objID).FirstOrDefault() PrevPositions.Add(gobj.Name, New Tuple(Of Point, Boolean)(New Point(gobj.X, gobj.Y), gobj.FlippedH)) Next Dim nrecycles = DrawingObjects.Where(Function(o) o.ObjectType = ObjectType.OT_Recycle).Count() For i = 0 To nrecycles Dim x = 50 Dim y = 50 For Each objID In orderedIds Dim gobj = DrawingObjects.Where(Function(o) o.Name = objID).FirstOrDefault() gobj.FlippedH = False If gobj.ObjectType <> ObjectType.EnergyStream Then If gobj.InputConnectors(0).IsAttached Then Dim conFrom = gobj.InputConnectors(0).AttachedConnector.AttachedFrom Dim conFromIdx = gobj.InputConnectors(0).AttachedConnector.AttachedFromConnectorIndex Dim x2 = conFrom.OutputConnectors(conFromIdx).Position.X + deltaX Dim y2 = conFrom.OutputConnectors(conFromIdx).Position.Y gobj.X = x2 gobj.Y = y2 Else gobj.X = x gobj.Y = y End If x += deltaX ElseIf gobj.ObjectType = ObjectType.MaterialStream Then If gobj.InputConnectors(0).IsAttached Then Dim conFrom = gobj.InputConnectors(0).AttachedConnector.AttachedFrom Dim conFromIdx = gobj.InputConnectors(0).AttachedConnector.AttachedFromConnectorIndex Dim x2 = conFrom.OutputConnectors(conFromIdx).Position.X + deltaX Dim y2 = conFrom.OutputConnectors(conFromIdx).Position.Y gobj.X = x2 gobj.Y = y2 Else gobj.X = x gobj.Y = y End If End If gobj.PositionConnectors() Next For Each objID In orderedIds Dim gobj = DrawingObjects.Where(Function(o) o.Name = objID).FirstOrDefault() gobj.FlippedH = False If gobj.ObjectType = ObjectType.EnergyStream Then If gobj.InputConnectors(0).IsAttached Then Dim conn = gobj.InputConnectors(0).AttachedConnector Dim conFrom = conn.AttachedFrom Dim conFromIdx = conn.AttachedFromConnectorIndex If conFromIdx >= 0 Then Dim x2 = conFrom.OutputConnectors(conFromIdx).Position.X + deltaX Dim y2 = conFrom.OutputConnectors(conFromIdx).Position.Y gobj.X = x2 gobj.Y = y2 Else Dim x2 = conFrom.EnergyConnector.Position.X + deltaX Dim y2 = conFrom.EnergyConnector.Position.Y gobj.X = x2 gobj.Y = y2 End If ElseIf gobj.OutputConnectors(0).IsAttached Then Dim conTo = gobj.OutputConnectors(0).AttachedConnector.AttachedTo Dim conToIdx = gobj.OutputConnectors(0).AttachedConnector.AttachedToConnectorIndex If conToIdx >= 0 Then Dim x2 = conTo.InputConnectors(conToIdx).Position.X - deltaX Dim y2 = conTo.InputConnectors(conToIdx).Position.Y + deltaX gobj.X = x2 gobj.Y = y2 Else Dim x2 = conTo.EnergyConnector.Position.X - deltaX Dim y2 = conTo.EnergyConnector.Position.Y + deltaX gobj.X = x2 gobj.Y = y2 End If End If End If gobj.PositionConnectors() Next Next End Sub Public Sub RestoreLayout() If PrevPositions.Count > 0 Then For Each item In PrevPositions Dim obj = DrawingObjects.Where(Function(x) x.Name = item.Key).FirstOrDefault() If obj IsNot Nothing Then obj.X = item.Value.Item1.X obj.Y = item.Value.Item1.Y obj.FlippedH = item.Value.Item2 End If Next End If End Sub Public Sub UpdateColorTheme() If Flowsheet Is Nothing Then Exit Sub For Each obj In DrawingObjects obj.DrawMode = Flowsheet.FlowsheetOptions.FlowsheetColorTheme Next End Sub End Class