mcs/class/referencesource/System.Activities.Core.Presentation/System/Activities/Core/Presentation/FlowchartExpressionAutomationPeer.cs

   1 //----------------------------------------------------------------
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.
   3 //----------------------------------------------------------------
   4
   5 namespace System.Activities.Core.Presentation
   6 {
   7     using System.Runtime;
   8     using System.Windows;
   9     using System.Windows.Automation.Peers;
  10
  11     [Fx.Tag.XamlVisible(false)]
  12     class FlowchartExpressionAutomationPeer : UIElementAutomationPeer
  13     {
  14         const string ExpressionNotShown = "(null)";
  15         AutomationPeer wrappedAutomationPeer;
  16
  17         public FlowchartExpressionAutomationPeer(FrameworkElement owner, AutomationPeer wrappedAutomationPeer)
  18             : base(owner)
  19         {
  20             this.wrappedAutomationPeer = wrappedAutomationPeer;
  21         }
  22
  23         protected override string GetItemStatusCore()
  24         {
  25             Fx.Assert(this.Owner != null, "FlowchartExpressionAutomationPeer should have this.Owner != null.");
  26             bool expressionShown = false;
  27             if (this.Owner is FlowDecisionDesigner)
  28             {
  29                 expressionShown = ((FlowDecisionDesigner)this.Owner).ExpressionShown;
  30             }
  31             else
  32             {
  33                 Fx.Assert(this.Owner is FlowSwitchDesigner, "this.Owner should either be FlowDecisionDesigner or FlowSwitchDesigner.");
  34                 expressionShown = ((FlowSwitchDesigner)this.Owner).ExpressionShown;
  35             }
  36             return expressionShown ? FlowchartExpressionAdorner.GetExpressionString(this.Owner) : ExpressionNotShown;
  37         }
  38
  39         protected override string GetClassNameCore()
  40         {
  41             return this.wrappedAutomationPeer.GetClassName();
  42         }
  43
  44         protected override string GetNameCore()
  45         {
  46             return this.wrappedAutomationPeer.GetName();
  47         }
  48
  49         protected override string GetAutomationIdCore()
  50         {
  51             return this.wrappedAutomationPeer.GetAutomationId();
  52         }
  53     }
  54 }