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'Imports MindFusion.FlowChartX
'Imports System.Drawing
'Imports System.Drawing.Drawing2D
Private miUniqueCmdCount as Integer = 1
Private WFNodeWidth as Single = 40
Private WFNodeHeight as Single = 30
Private mWFItems As New Hashtable
Private Sub btnWFUndo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnWFUndo.Click
flwChart.UndoManager.Undo()
End Sub
Private Sub btnWFAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnWFAdd.Click
Dim iTopLeft As Single = (flwChart.GridSize / 2) + flwChart.GridSize
miUniqueCmdCount += 1
Dim cmd As Commands.CompositeCmd = flwChart.UndoManager.StartComposite("BoxAdd" + miUniqueCmdCount.ToString)
Dim bx As MindFusion.FlowChartX.Box = flwChart.CreateBox(iTopLeft, iTopLeft, WFNodeWidth, WFNodeHeight)
dim csiID as String = System.Guid.NewGuid.ToString
InitialiseWorkflowNode(flwChart, bx, csiID, True)
AddWorkflowItem(csiID)
cmd.Execute()
End Sub
Private Sub flwChart_ActionUndone(ByVal sender As Object, ByVal e As MindFusion.FlowChartX.UndoEventArgs) Handles flwChart.ActionUndone
If e.Command.Title.ToLower = "delete" Then
Try
Dim Cmd As Commands.RemoveItemCmd = e.Command
' try cast to a box
Dim bx As Box = Cmd.Item
' if we get here, we're recovering a box, is it the main one?
If mWFItems.ContainsKey(bx.Tag) Then
' yep, this is the baby, so ...
' need to handle workflow z-index bug
SetGroupZOrder(bx)
End If
Catch
End Try
End If
End Sub
Private Sub flwChart_BoxActivated(ByVal sender As Object, ByVal e As MindFusion.FlowChartX.BoxEventArgs) Handles flwChart.BoxActivated
If mWFItems.ContainsKey(e.Box.Tag) Then
SetGroupZOrder(e.Box)
End If
End Sub
Private Sub flwChart_BoxDeactivated(ByVal sender As Object, ByVal e As MindFusion.FlowChartX.BoxEventArgs) Handles flwChart.BoxDeactivated
If mWFItems.ContainsKey(e.Box.Tag) Then
SetGroupZOrder(e.Box)
End If
End Sub
Private Sub AddWorkflowItem(ByVal csiID As String)
If Not mWFItems.ContainsKey(csiID) Then
mWFItems.Add(csiID, csiID)
End If
End Sub
Private Sub SetGroupZOrder(ByVal bx As Box)
Try
Dim tbl As Table = bx.SubordinateGroup.AttachedObjects(1)
tbl.ZIndex = bx.ZIndex + 4 ' + 1
Dim bxImage As Box = bx.SubordinateGroup.AttachedObjects(0)
bxImage.ZIndex = tbl.ZIndex + 8 ' + 1
Catch
End Try
End Sub
Public Sub InitialiseWorkflowNode(ByRef flwChart As FlowChart, ByRef bx As MindFusion.FlowChartX.Box, ByVal csiID as String, ByVal newBox As Boolean)
Dim alEmpty As New ArrayList
Dim i As Integer
Dim tbl As Table
Dim grp As Group
Dim bxPic As MindFusion.FlowChartX.Box
bx.Tag = csiID
bx.Text = vbCrLf + vbCrLf + csi.ProcessName
If newBox Then
bx.MnpHandlesMask = 256
bx.Resize(WFNodeWidth, WFNodeHeight)
bx.SelStyle = ESelStyle.sstHatchHandles3
tbl = flwChart.CreateTable(bx.BoundingRect.Location.X, bx.BoundingRect.Location.Y, WFNodeWidth, WFTableHeight)
tbl.CaptionHeight = 8
tbl.RowsCount = 0
tbl.Locked = True
tbl.Style = ETableStyle.tsRect
tbl.ZIndex = bx.ZIndex + 1
tbl.AnchorPattern = Nothing
tbl.ShadowOffsetX = 0
tbl.ShadowOffsetY = 0
tbl.PicturePos = EImagePos.imgCenterLeft
Dim tbrush As New MindFusion.FlowChartX.LinearGradientBrush(Color.White, Color.DarkGoldenrod, 90)
Dim blend As New ColorBlend(3)
blend.Colors(0) = Color.DarkGoldenrod
blend.Colors(1) = Color.White
blend.Colors(2) = Color.DarkGoldenrod
blend.Positions(0) = 0
blend.Positions(1) = 0.5
blend.Positions(2) = 1
tbrush.InterpolationColor = blend
tbl.Brush = tbrush
grp = flwChart.CreateGroup(bx)
grp.Tag = bx.Tag
grp.AttachToCorner(tbl, 0)
grp.AutoDeleteItems = True
bxPic = flwChart.CreateBox(bx.BoundingRect.Location.X, bx.BoundingRect.Location.Y, 8, 8)
bxPic.Style = EBoxStyle.bsRect
bxPic.FillColor = Color.Transparent
bxPic.FrameColor = Color.Transparent
bxPic.PicturePos = EImagePos.imgCenterRight
bxPic.ZIndex = tbl.ZIndex + 1
bxPic.AnchorPattern = Nothing
bxPic.ShadowOffsetX = 0
bxPic.ShadowOffsetY = 0
bxPic.Locked = True
grp.AttachToCorner(bxPic, 0)
Else
bxPic = bx.SubordinateGroup.AttachedObjects(0)
tbl = bx.SubordinateGroup.AttachedObjects(1)
End If
tbl.Caption = "My Caption"
bxPic.Picture = SomePicture
bx.ToolTip = "My Tooltip"
End Sub
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Undo and groups (Read 58786 times)
