Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / WebControls / PasswordRecoveryDesigner.cs / 1 / PasswordRecoveryDesigner.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.Design.WebControls { using System.Collections; using System.Collections.Specialized; using System.ComponentModel; using System.ComponentModel.Design; using System.Data; using System.Design; using System.Diagnostics; using System.Drawing; using System.Globalization; using System.IO; using System.Web.UI.WebControls; using Cursor = System.Windows.Forms.Cursor; using Cursors = System.Windows.Forms.Cursors; ////// /// The designer for the PasswordRecovery control. Adds verbs for "Auto Format", "Switch View", "Convert To Template", and "Reset". /// When the control is templated, removes properties that do not apply when templated. /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] public class PasswordRecoveryDesigner : ControlDesigner { private PasswordRecovery _passwordRecovery; private static DesignerAutoFormatCollection _autoFormats; private const string _failureTextID = "FailureText"; private static readonly string[] _userNameViewRegionToPropertyMap = new string[] { "UserNameLabelText", "UserNameTitleText", "UserNameInstructionText", }; private static readonly string[] _questionViewRegionToPropertyMap = new string[] { "UserNameLabelText", "QuestionTitleText", "QuestionLabelText", "QuestionInstructionText", "AnswerLabelText", }; private static readonly string[] _successViewRegionToPropertyMap = new string[] { "SuccessText", }; private static readonly string[] _templateNames = new string[] { "UserNameTemplate", "QuestionTemplate", "SuccessTemplate", }; // Properties that do not apply to the control when it is templated // Removed from the property grid when there is a user template private static readonly string[] _nonTemplateProperties = new string[] { "AnswerLabelText", "AnswerRequiredErrorMessage", "BorderPadding", "HelpPageIconUrl", "FailureTextStyle", "HelpPageText", "HelpPageUrl", "HyperLinkStyle", "InstructionTextStyle", "LabelStyle", "QuestionInstructionText", "QuestionLabelText", "QuestionTitleText", "SubmitButtonImageUrl", "SubmitButtonStyle", "SubmitButtonText", "SubmitButtonType", "SuccessText", "SuccessTextStyle", "TextBoxStyle", "TextLayout", "TitleTextStyle", "UserNameInstructionText", "UserNameLabelText", "UserNameRequiredErrorMessage", "UserNameTitleText", "ValidatorTextStyle", }; ///public override DesignerActionListCollection ActionLists { get { DesignerActionListCollection actionLists = new DesignerActionListCollection(); actionLists.AddRange(base.ActionLists); actionLists.Add(new PasswordRecoveryDesignerActionList(this)); return actionLists; } } public override DesignerAutoFormatCollection AutoFormats { get { if (_autoFormats == null) { _autoFormats = CreateAutoFormats(AutoFormatSchemes.PASSWORDRECOVERY_SCHEMES, delegate(DataRow schemeData) { return new PasswordRecoveryAutoFormat(schemeData); }); } return _autoFormats; } } private ViewType CurrentView { get { object view = DesignerState["CurrentView"]; return (view == null) ? ViewType.UserName : (ViewType)view; } set { DesignerState["CurrentView"] = value; } } /// /// Returns true if the current view is templated. /// private bool Templated { get { return (GetTemplate(_passwordRecovery) != null); } } private TemplateDefinition TemplateDefinition { get { string templateName = _templateNames[(int)CurrentView]; return new TemplateDefinition(this, templateName, _passwordRecovery, templateName, ((WebControl)ViewControl).ControlStyle); } } private PropertyDescriptor TemplateDescriptor { get { PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(Component); string templateName = _templateNames[(int)CurrentView]; PropertyDescriptor templateDescriptor = (PropertyDescriptor)properties.Find(templateName, false); return templateDescriptor; } } ///public override TemplateGroupCollection TemplateGroups { get { TemplateGroupCollection groups = base.TemplateGroups; TemplateGroupCollection templateGroups = new TemplateGroupCollection(); for (int i = 0; i < _templateNames.Length; i++) { string templateName = _templateNames[i]; TemplateGroup templateGroup = new TemplateGroup(templateName, ((WebControl)ViewControl).ControlStyle); templateGroup.AddTemplateDefinition(new TemplateDefinition(this, templateName, _passwordRecovery, templateName, ((WebControl)ViewControl).ControlStyle)); templateGroups.Add(templateGroup); } groups.AddRange(templateGroups); return groups; } } protected override bool UsePreviewControl { get { return true; } } private bool ConvertToTemplateChangeCallback(object context) { try { IDesignerHost designerHost = (IDesignerHost)GetService(typeof(IDesignerHost)); ConvertToTemplateHelper convertToTemplateHelper = new ConvertToTemplateHelper(this, designerHost); ITemplate template = convertToTemplateHelper.ConvertToTemplate(); TemplateDescriptor.SetValue(_passwordRecovery, template); return true; } catch (Exception e) { Debug.Fail(e.Message); return false; } } /// public override string GetDesignTimeHtml() { string designTimeHtml; try { IDictionary parameters = new HybridDictionary(1); parameters["CurrentView"] = CurrentView; ((IControlDesignerAccessor)ViewControl).SetDesignModeState(parameters); // Make sure the child controls are recreated ICompositeControlDesignerAccessor designerAccessor = (ICompositeControlDesignerAccessor)ViewControl; designerAccessor.RecreateChildControls(); designTimeHtml = base.GetDesignTimeHtml(); } catch (Exception e) { designTimeHtml = GetErrorDesignTimeHtml(e); } return designTimeHtml; } /// protected override string GetErrorDesignTimeHtml(Exception e) { return CreatePlaceHolderDesignTimeHtml(SR.GetString(SR.Control_ErrorRenderingShort) + "
" + e.Message); } private ITemplate GetTemplate(PasswordRecovery passwordRecovery) { ITemplate template = null; switch (CurrentView) { case ViewType.UserName: template = passwordRecovery.UserNameTemplate; break; case ViewType.Question: template = passwordRecovery.QuestionTemplate; break; case ViewType.Success: template = passwordRecovery.SuccessTemplate; break; } return template; } ///public override void Initialize(IComponent component) { VerifyInitializeArgument(component, typeof(PasswordRecovery)); _passwordRecovery = (PasswordRecovery) component; base.Initialize(component); } private void LaunchWebAdmin() { IDesignerHost designerHost = (IDesignerHost)GetService(typeof(IDesignerHost)); if (designerHost != null) { IWebAdministrationService webadmin = (IWebAdministrationService)designerHost.GetService(typeof(IWebAdministrationService)); if (webadmin != null) { webadmin.Start(null); } } } private void ConvertToTemplate() { InvokeTransactedChange(Component, new TransactedChangeCallback(ConvertToTemplateChangeCallback), null, SR.GetString(SR.WebControls_ConvertToTemplate), TemplateDescriptor); } private void Reset() { // UpdateDesignTimeHtml(); InvokeTransactedChange(Component, new TransactedChangeCallback(ResetChangeCallback), null, SR.GetString(SR.WebControls_Reset), TemplateDescriptor); } /// /// /// If the current view is templated, remove properties that do not apply when templated. /// protected override void PreFilterProperties(IDictionary properties) { base.PreFilterProperties(properties); if (Templated) { foreach (string propertyName in _nonTemplateProperties) { PropertyDescriptor property = (PropertyDescriptor) properties[propertyName]; Debug.Assert(property != null, "Property is null: " + propertyName); if (property != null) { properties[propertyName] = TypeDescriptor.CreateProperty(property.ComponentType, property, BrowsableAttribute.No); } } } } ////// Transacted change callback to invoke the Reset operation. /// /// Removes the user template from the control, causing it to use the default template. /// Applies only to the current view. /// private bool ResetChangeCallback(object context) { try { TemplateDescriptor.SetValue(_passwordRecovery, null); return true; } catch (Exception ex) { Debug.Fail(ex.Message); return false; } } public override string GetDesignTimeHtml(DesignerRegionCollection regions) { bool useRegions = UseRegions(regions, GetTemplate(_passwordRecovery)); if (useRegions) { EditableDesignerRegion region = new TemplatedEditableDesignerRegion(TemplateDefinition); region.Description = SR.GetString(SR.ContainerControlDesigner_RegionWatermark); regions.Add(region); // VSWhidbey 382801 Always enable the controls in the designer so we can drag and drop controls ((WebControl)ViewControl).Enabled = true; IDictionary parameters = new HybridDictionary(1); parameters.Add("RegionEditing", true); ((IControlDesignerAccessor)ViewControl).SetDesignModeState(parameters); } return GetDesignTimeHtml(); } public override string GetEditableDesignerRegionContent(EditableDesignerRegion region) { ITemplate template = GetTemplate(_passwordRecovery); if (template == null) { return String.Empty; } IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost)); return ControlPersister.PersistTemplate(template, host); } public override void SetEditableDesignerRegionContent(EditableDesignerRegion region, string content) { IDesignerHost host = (IDesignerHost)Component.Site.GetService(typeof(IDesignerHost)); Debug.Assert(host != null, "IDesignerHost is null."); ITemplate template = ControlParser.ParseTemplate(host, content); // Region name maps to the template property PropertyDescriptor descriptor = TypeDescriptor.GetProperties(Component)[region.Name]; using (DesignerTransaction transaction = host.CreateTransaction("SetEditableDesignerRegionContent")) { descriptor.SetValue(Component, template); transaction.Commit(); } } private enum ViewType { UserName = 0, Question = 1, Success = 2 } private class PasswordRecoveryDesignerActionList : DesignerActionList { private PasswordRecoveryDesigner _designer; public PasswordRecoveryDesignerActionList(PasswordRecoveryDesigner designer) : base(designer.Component) { _designer = designer; } public override bool AutoShow { get { return true; } set { } } [TypeConverter(typeof(PasswordRecoveryViewTypeConverter))] public string View { get { if (_designer.CurrentView == ViewType.UserName) { return SR.GetString(SR.PasswordRecovery_UserNameView); } else if (_designer.CurrentView == ViewType.Question) { return SR.GetString(SR.PasswordRecovery_QuestionView); } else if (_designer.CurrentView == ViewType.Success) { return SR.GetString(SR.PasswordRecovery_SuccessView); } else { Debug.Fail("Unexpected view value"); } return String.Empty; } set { if (String.Compare(value, SR.GetString(SR.PasswordRecovery_UserNameView), StringComparison.Ordinal) == 0) { _designer.CurrentView = ViewType.UserName; } else if (String.Compare(value, SR.GetString(SR.PasswordRecovery_QuestionView), StringComparison.Ordinal) == 0) { _designer.CurrentView = ViewType.Question; } else if (String.Compare(value, SR.GetString(SR.PasswordRecovery_SuccessView), StringComparison.Ordinal) == 0) { _designer.CurrentView = ViewType.Success; } else { Debug.Fail("Unexpected view value"); } // Update the property grid, since the visible properties may have changed if // the view changed between a templated and non-templated view. TypeDescriptor.Refresh(_designer.Component); _designer.UpdateDesignTimeHtml(); } } public void ConvertToTemplate() { Cursor originalCursor = Cursor.Current; try { Cursor.Current = Cursors.WaitCursor; _designer.ConvertToTemplate(); } finally { Cursor.Current = originalCursor; } } public void LaunchWebAdmin() { _designer.LaunchWebAdmin(); } public override DesignerActionItemCollection GetSortedActionItems() { DesignerActionItemCollection items = new DesignerActionItemCollection(); items.Add(new DesignerActionPropertyItem("View", SR.GetString(SR.WebControls_Views), String.Empty, SR.GetString(SR.WebControls_ViewsDescription))); if (!_designer.InTemplateMode) { if (_designer.Templated) { items.Add(new DesignerActionMethodItem(this, "Reset", SR.GetString(SR.WebControls_Reset), String.Empty, SR.GetString(SR.WebControls_ResetDescriptionViews), true)); } else { items.Add(new DesignerActionMethodItem(this, "ConvertToTemplate", SR.GetString(SR.WebControls_ConvertToTemplate), String.Empty, SR.GetString(SR.WebControls_ConvertToTemplateDescriptionViews), true)); } } items.Add(new DesignerActionMethodItem(this, "LaunchWebAdmin", SR.GetString(SR.Login_LaunchWebAdmin), String.Empty, SR.GetString(SR.Login_LaunchWebAdminDescription), true)); return items; } public void Reset() { _designer.Reset(); } private class PasswordRecoveryViewTypeConverter : TypeConverter { public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { string[] names = new string[3]; names[0] = SR.GetString(SR.PasswordRecovery_UserNameView); names[1] = SR.GetString(SR.PasswordRecovery_QuestionView); names[2] = SR.GetString(SR.PasswordRecovery_SuccessView); return new StandardValuesCollection(names); } public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return true; } public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return true; } } } private sealed class ConvertToTemplateHelper : LoginDesignerUtil.GenericConvertToTemplateHelper{ // Controls that are persisted when converting to template private static readonly string[] _persistedControlIDs = new string[] { "UserName", "UserNameRequired", "Question", "Answer", "AnswerRequired", "SubmitButton", "SubmitImageButton", "SubmitLinkButton", "FailureText", "HelpLink", }; // Controls that are persisted even if they are not visible when the control is rendered // They are not visible at design-time because the values are computed at runtime private static readonly string[] _persistedIfNotVisibleControlIDs = new string[] { "UserName", "Question", "FailureText" }; public ConvertToTemplateHelper(PasswordRecoveryDesigner designer, IDesignerHost designerHost) : base(designer, designerHost) { } protected override string[] PersistedControlIDs { get { return _persistedControlIDs; } } protected override string[] PersistedIfNotVisibleControlIDs { get { return _persistedIfNotVisibleControlIDs; } } protected override Style GetFailureTextStyle(PasswordRecovery control) { return control.FailureTextStyle; } protected override Control GetDefaultTemplateContents() { Control container = null; switch (Designer.CurrentView) { case ViewType.UserName: container = Designer.ViewControl.Controls[0]; break; case ViewType.Question: container = Designer.ViewControl.Controls[1]; break; case ViewType.Success: container = Designer.ViewControl.Controls[2]; break; } Table table = (Table)(container.Controls[0]); return table; } protected override ITemplate GetTemplate(PasswordRecovery control) { return Designer.GetTemplate(control); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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