mcs/class/referencesource/System.Activities.Presentation/System.Activities.Core.Presentation/System/ServiceModel/Activities/Presentation/CorrelatesOnValueEditor.cs

   1 //----------------------------------------------------------------
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.
   3 //----------------------------------------------------------------
   4
   5 namespace System.ServiceModel.Activities.Presentation
   6 {
   7     using System.Activities.Core.Presentation.Themes;
   8     using System.Activities.Presentation;
   9     using System.Activities.Presentation.Converters;
  10     using System.Activities.Presentation.Model;
  11     using System.Activities.Presentation.PropertyEditing;
  12     using System.Activities.Presentation.View;
  13     using System.Windows;
  14     using System.Runtime;
  15     using System.Windows.Controls;
  16
  17     sealed class CorrelatesOnValueEditor : DialogPropertyValueEditor
  18     {
  19         public CorrelatesOnValueEditor()
  20         {
  21             this.InlineEditorTemplate = EditorCategoryTemplateDictionary.Instance.GetCategoryTemplate("CorrelatesOnDesigner_InlineTemplate");
  22         }
  23
  24         public override void ShowDialog(PropertyValue propertyValue, IInputElement commandSource)
  25         {
  26             ModelPropertyEntryToOwnerActivityConverter propertyEntryConverter = new ModelPropertyEntryToOwnerActivityConverter();
  27
  28             ModelItem modelItem = (ModelItem)propertyEntryConverter.Convert(propertyValue.ParentProperty, typeof(ModelItem), false, null);
  29             EditingContext context = modelItem.GetEditingContext();
  30
  31             this.ShowDialog(modelItem, context);
  32         }
  33
  34         public void ShowDialog(ModelItem activity, EditingContext context)
  35         {
  36             Fx.Assert(activity != null, "Activity model item shouldn't be null!");
  37             Fx.Assert(context != null, "EditingContext shouldn't be null!");
  38
  39
  40             string bookmarkTitle = (string)this.InlineEditorTemplate.Resources["bookmarkTitle"];
  41
  42             UndoEngine undoEngine = context.Services.GetService<UndoEngine>();
  43             Fx.Assert(null != undoEngine, "UndoEngine should be available");
  44
  45             using (EditingScope scope = context.Services.GetRequiredService<ModelTreeManager>().CreateEditingScope(bookmarkTitle, true))
  46             {
  47                 if ((new EditorWindow(activity, context)).ShowOkCancel())
  48                 {
  49                     scope.Complete();
  50                 }
  51             }
  52         }
  53
  54         sealed class EditorWindow : WorkflowElementDialog
  55         {
  56             public EditorWindow(ModelItem activity, EditingContext context)
  57             {
  58                 this.ModelItem = activity;
  59                 this.Context = context;
  60                 this.Owner = activity.View;
  61                 this.EnableMaximizeButton = false;
  62                 this.EnableMinimizeButton = false;
  63                 this.MinHeight = 250;
  64                 this.MinWidth = 450;
  65                 this.WindowResizeMode = ResizeMode.CanResize;
  66                 this.WindowSizeToContent = SizeToContent.Manual;
  67                 var template = EditorCategoryTemplateDictionary.Instance.GetCategoryTemplate("CorrelatesOnDesigner_DialogTemplate");
  68
  69                 var presenter = new ContentPresenter()
  70                 {
  71                     Content = activity,
  72                     ContentTemplate = template
  73                 };
  74                 this.Title = (string)template.Resources["controlTitle"];
  75                 this.Content = presenter;
  76                 this.HelpKeyword = HelpKeywords.CorrelatesOnDefinitionDialog;
  77             }
  78
  79             protected override void OnWorkflowElementDialogClosed(bool? dialogResult)
  80             {
  81                 if (dialogResult.HasValue && dialogResult.Value)
  82                 {
  83                     var correlatesOnProperty = this.ModelItem.Properties["CorrelatesOn"];
  84
  85                     if (correlatesOnProperty.IsSet && 0 == correlatesOnProperty.Dictionary.Count)
  86                     {
  87                         correlatesOnProperty.ClearValue();
  88                     }
  89                 }
  90             }
  91         }
  92     }
  93 }