Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Design / UITypeEditors.cs / 1438166 / UITypeEditors.cs
namespace System.Workflow.ComponentModel.Design { using System; using System.ComponentModel; using System.ComponentModel.Design; using System.Runtime.InteropServices; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.Drawing.Design; using System.Windows.Forms; using System.Security.Permissions; using System.Windows.Forms.Design; using System.CodeDom; using System.Drawing; using System.Reflection; using System.Globalization; using System.Workflow.ComponentModel.Compiler; using System.Workflow.ComponentModel.Design; [PermissionSet(SecurityAction.InheritanceDemand, Name = "FullTrust")] [PermissionSet(SecurityAction.LinkDemand, Name = "FullTrust")] public class TypeBrowserEditor: UITypeEditor { private IWindowsFormsEditorService editorService; public TypeBrowserEditor() { } public override object EditValue(ITypeDescriptorContext typeDescriptorContext, IServiceProvider serviceProvider, object value) { if (typeDescriptorContext == null) throw new ArgumentNullException("typeDescriptorContext"); if (serviceProvider == null) throw new ArgumentNullException("serviceProvider"); object returnVal = value; this.editorService = (IWindowsFormsEditorService)serviceProvider.GetService(typeof(IWindowsFormsEditorService)); if (editorService != null) { ITypeFilterProvider typeFilterProvider = null; TypeFilterProviderAttribute typeFilterProvAttr = null; if (typeDescriptorContext.PropertyDescriptor != null && typeDescriptorContext.PropertyDescriptor.Attributes != null) typeFilterProvAttr = typeDescriptorContext.PropertyDescriptor.Attributes[typeof(TypeFilterProviderAttribute)] as TypeFilterProviderAttribute; if (typeFilterProvAttr != null) { ITypeProvider typeProvider = serviceProvider.GetService(typeof(ITypeProvider)) as ITypeProvider; if (typeProvider == null) throw new Exception(SR.GetString(SR.General_MissingService, typeof(ITypeProvider).FullName)); Type typeFilterProviderType = Type.GetType(typeFilterProvAttr.TypeFilterProviderTypeName); //typeProvider.GetType(typeFilterProvAttr.TypeFilterProviderTypeName); if (typeFilterProviderType != null) typeFilterProvider = Activator.CreateInstance(typeFilterProviderType, new object[] { serviceProvider }) as ITypeFilterProvider; } if (typeFilterProvider == null) typeFilterProvider = ((typeDescriptorContext.Instance is object[]) ? ((object[])typeDescriptorContext.Instance)[0] : typeDescriptorContext.Instance) as ITypeFilterProvider; if (typeFilterProvider == null) typeFilterProvider = value as ITypeFilterProvider; if (typeFilterProvider == null) { IReferenceService rs = serviceProvider.GetService(typeof(IReferenceService)) as IReferenceService; if (rs != null) { IComponent baseComponent = rs.GetComponent(typeDescriptorContext.Instance); if (baseComponent is ITypeFilterProvider) typeFilterProvider = baseComponent as ITypeFilterProvider; } } if (typeFilterProvider == null) { typeFilterProvider = typeDescriptorContext.PropertyDescriptor as ITypeFilterProvider; } string oldTypeName = value as string; if (value != null && typeDescriptorContext.PropertyDescriptor.PropertyType != typeof(string) && typeDescriptorContext.PropertyDescriptor.Converter != null && typeDescriptorContext.PropertyDescriptor.Converter.CanConvertTo(typeof(string))) oldTypeName = typeDescriptorContext.PropertyDescriptor.Converter.ConvertTo(typeDescriptorContext, CultureInfo.CurrentCulture, value, typeof(string)) as string; using(TypeBrowserDialog dlg = new TypeBrowserDialog(serviceProvider, typeFilterProvider as ITypeFilterProvider, oldTypeName)) { if (DialogResult.OK == editorService.ShowDialog(dlg)) { if (typeDescriptorContext.PropertyDescriptor.PropertyType == typeof(Type)) returnVal = dlg.SelectedType; else if (typeDescriptorContext.PropertyDescriptor.PropertyType == typeof(string)) returnVal = dlg.SelectedType.FullName; else if (typeDescriptorContext.PropertyDescriptor.Converter != null && typeDescriptorContext.PropertyDescriptor.Converter.CanConvertFrom(typeDescriptorContext, typeof(string))) returnVal = typeDescriptorContext.PropertyDescriptor.Converter.ConvertFrom(typeDescriptorContext, CultureInfo.CurrentCulture, dlg.SelectedType.FullName); } } } return returnVal; } public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext typeDescriptorContext) { return UITypeEditorEditStyle.Modal; } } [PermissionSet(SecurityAction.InheritanceDemand, Name = "FullTrust")] [PermissionSet(SecurityAction.LinkDemand, Name = "FullTrust")] public class BindUITypeEditor : UITypeEditor { private const int MaxItems = 10; private IServiceProvider serviceProvider; public BindUITypeEditor() { } public override object EditValue(ITypeDescriptorContext context, IServiceProvider serviceProvider, object value) { if (serviceProvider == null) throw new ArgumentNullException("serviceProvider"); this.serviceProvider = serviceProvider; object returnValue = value; if (context != null && context.PropertyDescriptor is DynamicPropertyDescriptor) { try { using (ActivityBindForm bindDialog = new ActivityBindForm(this.serviceProvider, context)) { if (DialogResult.OK == bindDialog.ShowDialog()) { //Now that OK has been pressed in the dialog we need to create members if necessary if (bindDialog.CreateNew) { //Emit the field / property as required if (bindDialog.CreateNewProperty) { Listproperties = CustomActivityDesignerHelper.GetCustomProperties(context); if (properties != null) { properties.Add(CustomProperty.CreateCustomProperty(this.serviceProvider, bindDialog.NewMemberName, context.PropertyDescriptor, context.Instance)); CustomActivityDesignerHelper.SetCustomProperties(properties, context); } } else { ActivityBindPropertyDescriptor.CreateField(context, bindDialog.Binding, true); } } returnValue = bindDialog.Binding; } } } catch (Exception e) { string message = SR.GetString(SR.Error_CanNotBindProperty, context.PropertyDescriptor.Name); if (!String.IsNullOrEmpty(e.Message)) message += "\n\n" + e.Message; DesignerHelpers.ShowError(context, message); } } else { DesignerHelpers.ShowError(this.serviceProvider, SR.GetString(SR.Error_MultipleSelectNotSupportedForBindAndPromote)); } return returnValue; } public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext typeDescriptorContext) { return UITypeEditorEditStyle.Modal; } internal static object EditValue(ITypeDescriptorContext context) { object value = null; if (context != null && context.PropertyDescriptor != null && context.Instance != null) { BindUITypeEditor bindTypeEditor = new BindUITypeEditor(); value = context.PropertyDescriptor.GetValue(context.Instance); value = bindTypeEditor.EditValue(context, context, value); try { context.PropertyDescriptor.SetValue(context.Instance, value); } catch (Exception e) { string message = SR.GetString(SR.Error_CanNotBindProperty, context.PropertyDescriptor.Name); if (!String.IsNullOrEmpty(e.Message)) message += "\n\n" + e.Message; DesignerHelpers.ShowError(context, message); } } return value; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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