Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / WebParts / EditorPart.cs / 2 / EditorPart.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls.WebParts { using System; using System.Collections; using System.Collections.Specialized; using System.ComponentModel; using System.Diagnostics; using System.Drawing; using System.Globalization; using System.Security.Permissions; using System.Web.UI; using System.Web.UI.WebControls; [ Bindable(false), Designer("System.Web.UI.Design.WebControls.WebParts.EditorPartDesigner, " + AssemblyRef.SystemDesign), ] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public abstract class EditorPart : Part { private WebPart _webPartToEdit; private WebPartManager _webPartManager; private EditorZoneBase _zone; ////// Whether the editor part should be displayed to the user. /// An editor part may decide that it should not be shown based on the state /// or the type of web part it is associated with. /// [ Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public virtual bool Display { get { // Always want EditorPart to be visible at design time ( if (DesignMode) { return true; } if (WebPartToEdit != null) { // Do not display EditorParts for a ProxyWebPart, regardless of the value // of AllowEdit, IsShared, and PersonalizationScope if (WebPartToEdit is ProxyWebPart) { return false; } if (!WebPartToEdit.AllowEdit && WebPartToEdit.IsShared && WebPartManager != null && WebPartManager.Personalization.Scope == PersonalizationScope.User) { return false; } return true; } // If there is no WebPartToEdit, return false as a default case return false; } } [ Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) ] public string DisplayTitle { get { string displayTitle = Title; if (String.IsNullOrEmpty(displayTitle)) { displayTitle = SR.GetString(SR.Part_Untitled); } return displayTitle; } } protected WebPartManager WebPartManager { get { return _webPartManager; } } ////// The web part that is being edited by this editor part. Set by the EditorZoneBase after /// the EditorPart is added to the zone's control collection. /// protected WebPart WebPartToEdit { get { return _webPartToEdit; } } protected EditorZoneBase Zone { get { return _zone; } } ////// Called by the Zone when the EditorPart should apply values to its associated control. True indicates /// that the save was successful, false indicates that an error occurred. /// public abstract bool ApplyChanges(); // If custom errors are enabled, we do not want to render the exception message to the browser. ( internal string CreateErrorMessage(string exceptionMessage) { if (Context != null && Context.IsCustomErrorEnabled) { return SR.GetString(SR.EditorPart_ErrorSettingProperty); } else { return SR.GetString(SR.EditorPart_ErrorSettingPropertyWithExceptionMessage, exceptionMessage); } } [SecurityPermission(SecurityAction.Demand, Unrestricted = true)] protected override IDictionary GetDesignModeState() { IDictionary state = new HybridDictionary(1); state["Zone"] = Zone; return state; } protected internal override void OnPreRender(EventArgs e) { base.OnPreRender(e); if (Zone == null) { throw new InvalidOperationException(SR.GetString(SR.EditorPart_MustBeInZone, ID)); } // Need to set Visible=false so postback is handled correctly for child controls // i.e. CheckBox child controls will always be set to false after postback unless // they are marked as not visible if (Display == false) { Visible = false; } } private void RenderDisplayName(HtmlTextWriter writer, string displayName, string associatedClientID) { if (Zone != null) { Zone.LabelStyle.AddAttributesToRender(writer, this); } writer.AddAttribute(HtmlTextWriterAttribute.For, associatedClientID); writer.RenderBeginTag(HtmlTextWriterTag.Label); writer.WriteEncodedText(displayName); writer.RenderEndTag(); // Label } internal void RenderPropertyEditors(HtmlTextWriter writer, string[] propertyDisplayNames, string[] propertyDescriptions, WebControl[] propertyEditors, string[] errorMessages) { Debug.Assert(propertyDisplayNames.Length == propertyEditors.Length); Debug.Assert(propertyDisplayNames.Length == errorMessages.Length); Debug.Assert(propertyDescriptions == null || (propertyDescriptions.Length == propertyDisplayNames.Length)); if (propertyDisplayNames.Length == 0) { return; } writer.AddAttribute(HtmlTextWriterAttribute.Border, "0"); writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "4"); writer.RenderBeginTag(HtmlTextWriterTag.Table); for (int i = 0; i < propertyDisplayNames.Length; i++) { WebControl editUIControl = propertyEditors[i]; if (Zone != null && !Zone.EditUIStyle.IsEmpty) { editUIControl.ApplyStyle(Zone.EditUIStyle); } string propertyDescription = (propertyDescriptions != null) ? propertyDescriptions[i] : null; if (!String.IsNullOrEmpty(propertyDescription)) { writer.AddAttribute(HtmlTextWriterAttribute.Title, propertyDescription); } writer.RenderBeginTag(HtmlTextWriterTag.Tr); writer.RenderBeginTag(HtmlTextWriterTag.Td); if (editUIControl is CheckBox) { editUIControl.RenderControl(writer); writer.Write(" "); RenderDisplayName(writer, propertyDisplayNames[i], editUIControl.ClientID); } else { string associatedClientID; CompositeControl compositeControl = editUIControl as CompositeControl; if (compositeControl != null) { // The
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