Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / xsp / System / Web / UI / PageAdapter.cs / 1 / PageAdapter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.Adapters { using System; using System.Collections; using System.Collections.Specialized; using System.Globalization; using System.IO; using System.Security.Permissions; using System.Web.UI.WebControls; using System.Web.Util; [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public abstract class PageAdapter : ControlAdapter { private IDictionary _radioButtonGroups = null; public virtual StringCollection CacheVaryByHeaders { get { return null; } } public virtual StringCollection CacheVaryByParams { get { return null; } } ////// protected string ClientState { get { if (Page != null) { return Page.ClientState; } return null; } } ///Exposes the page ClientState string to the adapters ////// The id separator used for control UniqueID/ClientID. /// internal virtual char IdSeparator { get { return Control.ID_SEPARATOR; } } internal String QueryString { get { string queryString = Page.ClientQueryString; if (Page.Request.Browser.RequiresUniqueFilePathSuffix) { if (!String.IsNullOrEmpty(queryString)) { queryString = String.Concat(queryString, "&"); } queryString = String.Concat(queryString, Page.UniqueFilePathSuffix); } return queryString; } } ////// public virtual NameValueCollection DeterminePostBackMode() { Debug.Assert(Control != null); if(Control != null) { return Control.Page.DeterminePostBackMode(); } return null; } ///[To be supplied.] ////// public virtual ICollection GetRadioButtonsByGroup(string groupName) { if (_radioButtonGroups == null) { return null; } return (ICollection)_radioButtonGroups[groupName]; } protected internal virtual string GetPostBackFormReference(string formId) { return "document.forms['" + formId + "']"; } public virtual PageStatePersister GetStatePersister() { return new HiddenFieldPageStatePersister(Page); } ///[To be supplied.] ////// public virtual void RegisterRadioButton(RadioButton radioButton) { string groupName = radioButton.GroupName; if (String.IsNullOrEmpty(groupName)) return; ArrayList group = null; if (_radioButtonGroups == null) { _radioButtonGroups = new ListDictionary(); } if (_radioButtonGroups.Contains(groupName)) { group = (RadioButtonGroupList) _radioButtonGroups[groupName]; } else { group = new RadioButtonGroupList(); _radioButtonGroups[groupName] = group; } group.Add(radioButton); } ///[To be supplied.] ////// public virtual void RenderBeginHyperlink(HtmlTextWriter writer, string targetUrl, bool encodeUrl, string softkeyLabel) { RenderBeginHyperlink(writer, targetUrl, encodeUrl, softkeyLabel, null /* accessKey */); } ///[To be supplied.] ////// public virtual void RenderBeginHyperlink(HtmlTextWriter writer, string targetUrl, bool encodeUrl, string softkeyLabel, string accessKey) { String url; // Valid values are null, String.Empty, and single character strings if ((accessKey != null) && (accessKey.Length > 1)) { throw new ArgumentOutOfRangeException("accessKey"); } if (encodeUrl) { url = HttpUtility.HtmlAttributeEncode(targetUrl); } else { url = targetUrl; } writer.AddAttribute("href", url); if (!String.IsNullOrEmpty(accessKey)) { writer.AddAttribute("accessKey", accessKey); } writer.RenderBeginTag("a"); } ///[To be supplied.] ////// public virtual void RenderEndHyperlink(HtmlTextWriter writer) { writer.WriteEndTag("a"); } public virtual void RenderPostBackEvent(HtmlTextWriter writer, string target, string argument, string softkeyLabel, string text) { RenderPostBackEvent(writer, target, argument, softkeyLabel, text, null /*postUrl */, null /* accesskey */); } ///[To be supplied.] ////// public virtual void RenderPostBackEvent(HtmlTextWriter writer, string target, string argument, string softkeyLabel, string text, string postUrl, string accessKey) { RenderPostBackEvent(writer, target, argument, softkeyLabel, text, postUrl, accessKey, false /* encode */); } ///Renders a client widget corresponding to a postback event, for example a wml do or a post link. Note that this /// widget may not submit the form data, e.g. scriptless html where this renders a link. ////// protected void RenderPostBackEvent(HtmlTextWriter writer, string target, string argument, string softkeyLabel, string text, string postUrl, string accessKey, bool encode) { // Default: render postback event as scriptless anchor (works for all markups). Override for specific markups. string amp = encode ? "&" : "&"; bool isCrossPagePostBack = !String.IsNullOrEmpty(postUrl); writer.WriteBeginTag("a"); writer.Write(" href=\""); string url = null; if (!isCrossPagePostBack) { if ((String)Browser["requiresAbsolutePostbackUrl"] == "true") { url = Page.Response.ApplyAppPathModifier(Page.Request.CurrentExecutionFilePath); } else { url = Page.RelativeFilePath; } } else { url = postUrl; Page.ContainsCrossPagePost = true; } writer.WriteEncodedUrl(url); writer.Write("?"); string clientState = ClientState; if (clientState != null) { ICollection chunks = Page.DecomposeViewStateIntoChunks(); // Default chunk count is 1 if (chunks.Count > 1) { writer.Write(Page.ViewStateFieldCountID + "=" + chunks.Count + amp); } int count = 0; foreach (String state in chunks) { writer.Write(Page.ViewStateFieldPrefixID); if (count > 0) writer.Write(count.ToString(CultureInfo.CurrentCulture)); writer.Write("=" + HttpUtility.UrlEncode(state)); writer.Write(amp); ++count; } } if (isCrossPagePostBack) { writer.Write(Page.previousPageID); writer.Write("=" + Page.EncryptString(Page.Request.CurrentExecutionFilePath)); writer.Write(amp); } writer.Write("__EVENTTARGET=" + HttpUtility.UrlEncode(target)); writer.Write(amp); writer.Write("__EVENTARGUMENT=" + HttpUtility.UrlEncode(argument)); // string queryStringText = QueryString; if (!String.IsNullOrEmpty(queryStringText)) { writer.Write(amp); writer.Write(queryStringText); } writer.Write("\""); if (!String.IsNullOrEmpty(accessKey)) { writer.WriteAttribute("accessKey", accessKey); } writer.Write(">"); writer.Write(text); writer.WriteEndTag("a"); } ///Renders a client widget corresponding to a postback event, for example a wml do or a post link. Note that this /// widget may not submit the form data, e.g. scriptless html where this renders a link. ////// Transforms text for the target device. The default transformation is the identity transformation, /// which does not change the text. /// public virtual string TransformText(string text) { return text; } } internal class RadioButtonGroupList : ArrayList { #if SHIPPINGADAPTERS private bool _autoPostBackRadioButtonsChecked; private bool _containsAutoPostBackRadioButtons; internal bool ContainsAutoPostBackRadioButtons { get { if (_autoPostBackRadioButtonsChecked) return _containsAutoPostBackRadioButtons; for (IEnumerator e = this.GetEnumerator(); e.MoveNext();) { RadioButton radioButton = (RadioButton)e.Current; if (radioButton.AutoPostBack) { _containsAutoPostBackRadioButtons = true; break; } } _autoPostBackRadioButtonsChecked = true; return _containsAutoPostBackRadioButtons; } } #endif } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.Adapters { using System; using System.Collections; using System.Collections.Specialized; using System.Globalization; using System.IO; using System.Security.Permissions; using System.Web.UI.WebControls; using System.Web.Util; [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public abstract class PageAdapter : ControlAdapter { private IDictionary _radioButtonGroups = null; public virtual StringCollection CacheVaryByHeaders { get { return null; } } public virtual StringCollection CacheVaryByParams { get { return null; } } ////// protected string ClientState { get { if (Page != null) { return Page.ClientState; } return null; } } ///Exposes the page ClientState string to the adapters ////// The id separator used for control UniqueID/ClientID. /// internal virtual char IdSeparator { get { return Control.ID_SEPARATOR; } } internal String QueryString { get { string queryString = Page.ClientQueryString; if (Page.Request.Browser.RequiresUniqueFilePathSuffix) { if (!String.IsNullOrEmpty(queryString)) { queryString = String.Concat(queryString, "&"); } queryString = String.Concat(queryString, Page.UniqueFilePathSuffix); } return queryString; } } ////// public virtual NameValueCollection DeterminePostBackMode() { Debug.Assert(Control != null); if(Control != null) { return Control.Page.DeterminePostBackMode(); } return null; } ///[To be supplied.] ////// public virtual ICollection GetRadioButtonsByGroup(string groupName) { if (_radioButtonGroups == null) { return null; } return (ICollection)_radioButtonGroups[groupName]; } protected internal virtual string GetPostBackFormReference(string formId) { return "document.forms['" + formId + "']"; } public virtual PageStatePersister GetStatePersister() { return new HiddenFieldPageStatePersister(Page); } ///[To be supplied.] ////// public virtual void RegisterRadioButton(RadioButton radioButton) { string groupName = radioButton.GroupName; if (String.IsNullOrEmpty(groupName)) return; ArrayList group = null; if (_radioButtonGroups == null) { _radioButtonGroups = new ListDictionary(); } if (_radioButtonGroups.Contains(groupName)) { group = (RadioButtonGroupList) _radioButtonGroups[groupName]; } else { group = new RadioButtonGroupList(); _radioButtonGroups[groupName] = group; } group.Add(radioButton); } ///[To be supplied.] ////// public virtual void RenderBeginHyperlink(HtmlTextWriter writer, string targetUrl, bool encodeUrl, string softkeyLabel) { RenderBeginHyperlink(writer, targetUrl, encodeUrl, softkeyLabel, null /* accessKey */); } ///[To be supplied.] ////// public virtual void RenderBeginHyperlink(HtmlTextWriter writer, string targetUrl, bool encodeUrl, string softkeyLabel, string accessKey) { String url; // Valid values are null, String.Empty, and single character strings if ((accessKey != null) && (accessKey.Length > 1)) { throw new ArgumentOutOfRangeException("accessKey"); } if (encodeUrl) { url = HttpUtility.HtmlAttributeEncode(targetUrl); } else { url = targetUrl; } writer.AddAttribute("href", url); if (!String.IsNullOrEmpty(accessKey)) { writer.AddAttribute("accessKey", accessKey); } writer.RenderBeginTag("a"); } ///[To be supplied.] ////// public virtual void RenderEndHyperlink(HtmlTextWriter writer) { writer.WriteEndTag("a"); } public virtual void RenderPostBackEvent(HtmlTextWriter writer, string target, string argument, string softkeyLabel, string text) { RenderPostBackEvent(writer, target, argument, softkeyLabel, text, null /*postUrl */, null /* accesskey */); } ///[To be supplied.] ////// public virtual void RenderPostBackEvent(HtmlTextWriter writer, string target, string argument, string softkeyLabel, string text, string postUrl, string accessKey) { RenderPostBackEvent(writer, target, argument, softkeyLabel, text, postUrl, accessKey, false /* encode */); } ///Renders a client widget corresponding to a postback event, for example a wml do or a post link. Note that this /// widget may not submit the form data, e.g. scriptless html where this renders a link. ////// protected void RenderPostBackEvent(HtmlTextWriter writer, string target, string argument, string softkeyLabel, string text, string postUrl, string accessKey, bool encode) { // Default: render postback event as scriptless anchor (works for all markups). Override for specific markups. string amp = encode ? "&" : "&"; bool isCrossPagePostBack = !String.IsNullOrEmpty(postUrl); writer.WriteBeginTag("a"); writer.Write(" href=\""); string url = null; if (!isCrossPagePostBack) { if ((String)Browser["requiresAbsolutePostbackUrl"] == "true") { url = Page.Response.ApplyAppPathModifier(Page.Request.CurrentExecutionFilePath); } else { url = Page.RelativeFilePath; } } else { url = postUrl; Page.ContainsCrossPagePost = true; } writer.WriteEncodedUrl(url); writer.Write("?"); string clientState = ClientState; if (clientState != null) { ICollection chunks = Page.DecomposeViewStateIntoChunks(); // Default chunk count is 1 if (chunks.Count > 1) { writer.Write(Page.ViewStateFieldCountID + "=" + chunks.Count + amp); } int count = 0; foreach (String state in chunks) { writer.Write(Page.ViewStateFieldPrefixID); if (count > 0) writer.Write(count.ToString(CultureInfo.CurrentCulture)); writer.Write("=" + HttpUtility.UrlEncode(state)); writer.Write(amp); ++count; } } if (isCrossPagePostBack) { writer.Write(Page.previousPageID); writer.Write("=" + Page.EncryptString(Page.Request.CurrentExecutionFilePath)); writer.Write(amp); } writer.Write("__EVENTTARGET=" + HttpUtility.UrlEncode(target)); writer.Write(amp); writer.Write("__EVENTARGUMENT=" + HttpUtility.UrlEncode(argument)); // string queryStringText = QueryString; if (!String.IsNullOrEmpty(queryStringText)) { writer.Write(amp); writer.Write(queryStringText); } writer.Write("\""); if (!String.IsNullOrEmpty(accessKey)) { writer.WriteAttribute("accessKey", accessKey); } writer.Write(">"); writer.Write(text); writer.WriteEndTag("a"); } ///Renders a client widget corresponding to a postback event, for example a wml do or a post link. Note that this /// widget may not submit the form data, e.g. scriptless html where this renders a link. ////// Transforms text for the target device. The default transformation is the identity transformation, /// which does not change the text. /// public virtual string TransformText(string text) { return text; } } internal class RadioButtonGroupList : ArrayList { #if SHIPPINGADAPTERS private bool _autoPostBackRadioButtonsChecked; private bool _containsAutoPostBackRadioButtons; internal bool ContainsAutoPostBackRadioButtons { get { if (_autoPostBackRadioButtonsChecked) return _containsAutoPostBackRadioButtons; for (IEnumerator e = this.GetEnumerator(); e.MoveNext();) { RadioButton radioButton = (RadioButton)e.Current; if (radioButton.AutoPostBack) { _containsAutoPostBackRadioButtons = true; break; } } _autoPostBackRadioButtonsChecked = true; return _containsAutoPostBackRadioButtons; } } #endif } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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