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namespace System.Workflow.ComponentModel.Design
{
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.Diagnostics;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Workflow.ComponentModel.Design;
[ActivityDesignerTheme(typeof(CancellationDesignerTheme))]
internal sealed class CancellationHandlerActivityDesigner : SequentialActivityDesigner
{
#region Properties and Methods
public override bool CanExpandCollapse
{
get
{
return false;
}
}
public override ReadOnlyCollection<DesignerView> Views
{
get
{
List<DesignerView> views = new List<DesignerView>();
foreach (DesignerView view in base.Views)
{
// disable the fault handlers, cancellation handler and compensation handler
if ((view.ViewId != 2) &&
(view.ViewId != 3) &&
(view.ViewId != 4)
)
views.Add(view);
}
return new ReadOnlyCollection<DesignerView>(views);
}
}
public override bool CanInsertActivities(HitTestInfo insertLocation, ReadOnlyCollection<Activity> activitiesToInsert)
{
foreach (Activity activity in activitiesToInsert)
{
if (Helpers.IsFrameworkActivity(activity))
return false;
}
return base.CanInsertActivities(insertLocation, activitiesToInsert);
}
#endregion
}
#region CompensationDesignerTheme
internal sealed class CancellationDesignerTheme : CompositeDesignerTheme
{
public CancellationDesignerTheme(WorkflowTheme theme)
: base(theme)
{
this.ShowDropShadow = false;
this.ConnectorStartCap = LineAnchor.None;
this.ConnectorEndCap = LineAnchor.ArrowAnchor;
this.ForeColor = Color.FromArgb(0xFF, 0x00, 0x00, 0x00);
this.BorderColor = Color.FromArgb(0xFF, 0xE0, 0xE0, 0xE0);
this.BorderStyle = DashStyle.Dash;
this.BackColorStart = Color.FromArgb(0x35, 0xFF, 0xB0, 0x90);
this.BackColorEnd = Color.FromArgb(0x35, 0xFF, 0xB0, 0x90);
}
}
#endregion
}
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