diff options
Diffstat (limited to 'mcs/class/System.Web/System.Web.UI/Page.cs')
| -rwxr-xr-x | mcs/class/System.Web/System.Web.UI/Page.cs | 711 |
1 files changed, 0 insertions, 711 deletions
diff --git a/mcs/class/System.Web/System.Web.UI/Page.cs b/mcs/class/System.Web/System.Web.UI/Page.cs deleted file mode 100755 index 176827095e8..00000000000 --- a/mcs/class/System.Web/System.Web.UI/Page.cs +++ /dev/null @@ -1,711 +0,0 @@ -// -// System.Web.UI.Page -// -// Authors: -// Duncan Mak (duncan@ximian.com) -// Gonzalo Paniagua (gonzalo@ximian.com) -// -// (C) 2002 Ximian, Inc. (http://www.ximian.com) -// - -using System; -using System.Collections; -using System.Collections.Specialized; -using System.IO; -using System.Reflection; -using System.Security.Principal; -using System.Text; -using System.Web; -using System.Web.Caching; -using System.Web.SessionState; - -namespace System.Web.UI -{ - -public class Page : TemplateControl, IHttpHandler -{ - private string _culture; - private bool _viewState = true; - private bool _viewStateMac = false; - private string _errorPage; - private ArrayList _fileDependencies; - private string _ID; - private bool _isValid; - private HttpServerUtility _server; - private bool _smartNavigation = false; - private TraceContext _trace; - private bool _traceEnabled; - private TraceMode _traceModeValue; - private int _transactionMode; - private string _UICulture; - private HttpContext _context; - private ValidatorCollection _validators; - private bool renderingForm; - private object _savedViewState; - private ArrayList _requiresPostBack; - private ArrayList requiresPostDataChanged; - private ArrayList requiresRaiseEvent; - private NameValueCollection secondPostData; - private bool requiresPostBackScript = false; - private bool postBackScriptRendered = false; - - #region Fields - protected const string postEventArgumentID = ""; //FIXME - protected const string postEventSourceID = ""; - #endregion - - #region Constructor - public Page () - { - Page = this; - } - - #endregion - - #region Properties - - public HttpApplicationState Application - { - get { return _context.Application; } - } - - bool AspCompatMode - { - set { throw new NotImplementedException (); } - } - - bool Buffer - { - set { Response.BufferOutput = value; } - } - - public Cache Cache - { - get { return _context.Cache; } - } - - [MonoTODO] - public string ClientTarget - { - get { throw new NotImplementedException (); } - set { throw new NotImplementedException (); } - } - - [MonoTODO] - int CodePage - { - set { throw new NotImplementedException (); } - } - - [MonoTODO] - string ContentType - { - set { throw new NotImplementedException (); } - } - - protected override HttpContext Context - { - get { return _context; } - } - - string Culture - { - set { _culture = value; } - } - - public override bool EnableViewState - { - get { return _viewState; } - set { _viewState = value; } - } - - protected bool EnableViewStateMac - { - get { return _viewStateMac; } - set { _viewStateMac = value; } - } - - public string ErrorPage - { - get { return _errorPage; } - set { _errorPage = value; } - } - - ArrayList FileDependencies - { - set { _fileDependencies = value; } - } - - public override string ID - { - get { return _ID; } - set { _ID = value; } - } - - public bool IsPostBack - { - get { - return (0 == String.Compare (Request.HttpMethod, "POST", true)); - } - } - - [MonoTODO] - public bool IsReusable - { - get { throw new NotImplementedException (); } - } - - public bool IsValid - { - get { return _isValid; } - } - - [MonoTODO] - int LCID { - set { throw new NotImplementedException (); } - } - - public HttpRequest Request - { - get { return _context.Request; } - } - - public HttpResponse Response - { - get { return _context.Response; } - } - - string ResponseEncoding - { - set { Response.ContentEncoding = Encoding.GetEncoding (value); } - } - - public HttpServerUtility Server - { - get { return _server; } - } - - public virtual HttpSessionState Session - { - get { return _context.Session; } - } - - public bool SmartNavigation - { - get { return _smartNavigation; } - set { _smartNavigation = value; } - } - - public TraceContext Trace - { - get { return _trace; } - } - - bool TraceEnabled - { - set { _traceEnabled = value; } - } - - TraceMode TraceModeValue - { - set { _traceModeValue = value; } - } - - int TransactionMode - { - set { _transactionMode = value; } - } - - string UICulture - { - set { _UICulture = value; } - } - - public IPrincipal User - { - get { return _context.User; } - } - - public ValidatorCollection Validators - { - get { - if (_validators == null) - _validators = new ValidatorCollection (); - return _validators; - } - } - - public override bool Visible - { - get { return base.Visible; } - set { base.Visible = value; } - } - - #endregion - - #region Methods - - [MonoTODO] - protected IAsyncResult AspCompatBeginProcessRequest (HttpContext context, - AsyncCallback cb, - object extraData) - { - throw new NotImplementedException (); - } - - [MonoTODO] - protected void AspcompatEndProcessRequest (IAsyncResult result) - { - throw new NotImplementedException (); - } - - protected virtual HtmlTextWriter CreateHtmlTextWriter (TextWriter tw) - { - return new HtmlTextWriter (tw); - } - - [MonoTODO] - public void DesignerInitialize () - { - throw new NotImplementedException (); - } - - protected virtual NameValueCollection DeterminePostBackMode () - { - if (_context == null) - return null; - - HttpRequest req = _context.Request; - if (req == null) - return null; - - NameValueCollection coll = null; - if (IsPostBack) - //coll = _context.Request.Form; FIXME: the correct is this one. commented out to let xsp work - coll = _context.Request.QueryString; - else - coll = _context.Request.QueryString; - - if (coll == null || coll ["__VIEWSTATE"] == null) - return null; - return coll; - } - - [MonoTODO] - public string GetPostBackClientEvent (Control control, string argument) - { - // Don't throw the exception. keep going - //throw new NotImplementedException (); - StringBuilder result = new StringBuilder (); - result.AppendFormat ("GetPostBackClientEvent ('{0}', '{1}')", control.ID, argument); - return result.ToString (); - } - - public string GetPostBackClientHyperlink (Control control, string argument) - { - return "javascript:" + GetPostBackEventReference (control, argument); - } - - public string GetPostBackEventReference (Control control) - { - return GetPostBackEventReference (control, ""); - } - - public string GetPostBackEventReference (Control control, string argument) - { - RequiresPostBackScript (); - return String.Format ("__doPostBack ('{0}', '{1}')", control.ID, argument); - } - - internal void RequiresPostBackScript () - { - requiresPostBackScript = true; - } - - public virtual int GetTypeHashCode () - { - return GetHashCode (); - } - - [MonoTODO] - protected virtual void InitOutputCache (int duration, - string varyByHeader, - string varyByCustom, - OutputCacheLocation location, - string varyByParam) - { - throw new NotImplementedException (); - } - - [MonoTODO] - public bool IsClientScriptBlockRegistered (string key) - { - throw new NotImplementedException (); - } - - [MonoTODO] - public bool IsStartupScriptRegistered (string key) - { - throw new NotImplementedException (); - } - - [MonoTODO] - public string MapPath (string virtualPath) - { - throw new NotImplementedException (); - } - - MethodInfo [] autoEventsMethods = null; - - private void InvokeEventMethod (string m_name, object sender, EventArgs e) - { - if (autoEventsMethods == null) { - BindingFlags bf = BindingFlags.Public | BindingFlags.NonPublic | - BindingFlags.DeclaredOnly | BindingFlags.Instance; - - MethodInfo [] m1 = GetType ().GetMethods (bf); - bf = BindingFlags.Public | BindingFlags.NonPublic | - BindingFlags.DeclaredOnly | BindingFlags.Static; - - MethodInfo [] m2 = GetType ().GetMethods (bf); - autoEventsMethods = new MethodInfo [m1.Length + m2.Length]; - m1.CopyTo (autoEventsMethods, 0); - m2.CopyTo (autoEventsMethods, m1.Length); - } - - foreach (MethodInfo m in autoEventsMethods) { - if (m.ReturnType != typeof (void)) - continue; - - if (m.Name != m_name) - continue; - - ParameterInfo [] pi = m.GetParameters (); - if (pi.Length != 2) - continue; - - if (pi [0].ParameterType != typeof (object) || - pi [1].ParameterType != typeof (EventArgs)) - continue; - - object [] parms = new object [2]; - parms [0] = sender; - parms [1] = e; - m.Invoke (this, parms); - break; - } - } - - private void RenderPostBackScript (HtmlTextWriter writer, string formUniqueID) - { - writer.WriteLine ("<input type=\"hidden\" name=\"__EVENTTARGET\" value=\"\" />"); - writer.WriteLine ("<input type=\"hidden\" name=\"__EVENTARGUMENT\" value=\"\" />"); - writer.WriteLine (); - writer.WriteLine ("<script language=\"javascript\">"); - writer.WriteLine ("<!--"); - writer.WriteLine ("\tfunction __doPostBack(eventTarget, eventArgument) {"); - writer.WriteLine ("\t\tvar theform = document.{0};", formUniqueID); - writer.WriteLine ("\t\ttheform.__EVENTTARGET.value = eventTarget;"); - writer.WriteLine ("\t\ttheform.__EVENTARGUMENT.value = eventArgument;"); - writer.WriteLine ("\t\ttheform.submit();"); - writer.WriteLine ("\t}"); - writer.WriteLine ("// -->"); - writer.WriteLine ("</script>"); - } - - private bool got_state = false; - private int _random; - private int queryStringHash; - internal void OnFormRender (HtmlTextWriter writer, string formUniqueID) - { - if (renderingForm) - throw new HttpException ("Only 1 HtmlForm is allowed per page."); - - renderingForm = true; - writer.WriteLine (); - writer.Write ("<input type=\"hidden\" name=\"__VIEWSTATE\" "); - writer.WriteLine ("value=\"{0}\" />", GetViewStateString ()); - if (requiresPostBackScript) { - RenderPostBackScript (writer, formUniqueID); - postBackScriptRendered = true; - } - } - - public string GetViewStateString () - { - StringBuilder state_string = new StringBuilder (); - state_string.AppendFormat ("{0:X}", GetTypeHashCode ()); - state_string.AppendFormat ("{0:X}", queryStringHash); - - if (!got_state) { - Random rnd = new Random (); - _random = rnd.Next (); - if (_random < 0) - _random = -_random; - _random++; - got_state = true; - } - - state_string.AppendFormat ("{0:X}", _random); - return state_string.ToString (); - } - - internal void OnFormPostRender (HtmlTextWriter writer, string formUniqueID) - { - if (!postBackScriptRendered && requiresPostBackScript) - RenderPostBackScript (writer, formUniqueID); - - renderingForm = false; - postBackScriptRendered = false; - } - - - private void _Page_Init (object sender, EventArgs e) - { - InvokeEventMethod ("Page_Init", sender, e); - } - - private void _Page_Load (object sender, EventArgs e) - { - InvokeEventMethod ("Page_Load", sender, e); - } - - private void _Page_DataBind (object sender, EventArgs e) - { - InvokeEventMethod ("Page_DataBind", sender, e); - } - - private void _Page_PreRender (object sender, EventArgs e) - { - InvokeEventMethod ("Page_PreRender", sender, e); - } - - private void _Page_Dispose (object sender, EventArgs e) - { - InvokeEventMethod ("Page_Dispose", sender, e); - } - - private void _Page_Error (object sender, EventArgs e) - { - InvokeEventMethod ("Page_Error", sender, e); - } - - private void ProcessPostData (NameValueCollection data, bool second) - { - if (data == null) - return; - - foreach (string id in data.AllKeys){ - if (id == "__VIEWSTATE") - continue; - - Control ctrl = FindControl (id); - if (ctrl != null){ - IPostBackDataHandler pbdh = ctrl as IPostBackDataHandler; - IPostBackEventHandler pbeh = ctrl as IPostBackEventHandler; - - if (pbdh == null) { - if (pbeh != null) - RegisterRequiresRaiseEvent (pbeh); - continue; - } - - if (pbdh.LoadPostData (id, data) == true) { - if (requiresPostDataChanged == null) - requiresPostDataChanged = new ArrayList (); - requiresPostDataChanged.Add (pbdh); - } - } else if (!second) { - if (secondPostData == null) - secondPostData = new NameValueCollection (); - secondPostData.Add (id, null); - } - } - } - - private bool init_done; - public void ProcessRequest (HttpContext context) - { - if (!init_done){ - init_done = true; - // These should depend on AutoEventWireUp in Page directive. Defaults to true. - Init += new EventHandler (_Page_Init); - Load += new EventHandler (_Page_Load); - DataBinding += new EventHandler (_Page_DataBind); - PreRender += new EventHandler (_Page_PreRender); - Disposed += new EventHandler (_Page_Dispose); - Error += new EventHandler (_Page_Error); - } - //-- Control execution lifecycle in the docs - Controls.Clear (); - FrameworkInitialize (); - InitRecursive (null); - got_state = false; - renderingForm = false; - _context = context; - queryStringHash = _context.Request.QueryString.GetHashCode (); - if (IsPostBack) { - LoadPageViewState (); - ProcessPostData (DeterminePostBackMode (), false); - } - - LoadRecursive (); - if (IsPostBack) { - ProcessPostData (secondPostData, true); - RaiseChangedEvents (); - RaisePostBackEvents (); - } - PreRenderRecursiveInternal (); - - SavePageViewState (); - //-- - StringBuilder sb = new StringBuilder (); - StringWriter sr = new StringWriter (sb); - HtmlTextWriter output = new HtmlTextWriter (context.Response.Output); - RenderControl (output); - _context = null; - } - - internal void RaisePostBackEvents () - { - NameValueCollection postdata = DeterminePostBackMode (); - string eventTarget = postdata ["__EVENTTARGET"]; - if (eventTarget != null && eventTarget.Length > 0) { - Control target = FindControl (eventTarget); - if (!(target is IPostBackEventHandler)) - return; - string eventArgument = postdata ["__EVENTARGUMENT"]; - RaisePostBackEvent ((IPostBackEventHandler) target, eventArgument); - return; - } - - if (requiresRaiseEvent == null) - return; - - foreach (Control c in requiresRaiseEvent) - RaisePostBackEvent ((IPostBackEventHandler) c, postdata [c.ID]); - requiresRaiseEvent.Clear (); - } - - internal void RaiseChangedEvents () - { - if (requiresPostDataChanged == null) - return; - - foreach (IPostBackDataHandler ipdh in requiresPostDataChanged) - ipdh.RaisePostDataChangedEvent (); - requiresPostDataChanged.Clear (); - } - - protected virtual void RaisePostBackEvent (IPostBackEventHandler sourceControl, string eventArgument) - { - sourceControl.RaisePostBackEvent (eventArgument); - } - - [MonoTODO] - public void RegisterArrayDeclaration (string arrayName, string arrayValue) - { - throw new NotImplementedException (); - } - - [MonoTODO] - public virtual void RegisterClientScriptBlock (string key, string script) - { - throw new NotImplementedException (); - } - - [MonoTODO] - public virtual void RegisterHiddenField (string hiddenFieldName, string hiddenFieldInitialValue) - { - throw new NotImplementedException (); - } - - [MonoTODO] - public void RegisterClientScriptFile (string a, string b, string c) - { - throw new NotImplementedException (); - } - - [MonoTODO] - public void RegisterOnSubmitStatement (string key, string script) - { - throw new NotImplementedException (); - } - - public void RegisterRequiresPostBack (Control control) - { - if (_requiresPostBack == null) - _requiresPostBack = new ArrayList (); - - _requiresPostBack.Add (control); - } - - public virtual void RegisterRequiresRaiseEvent (IPostBackEventHandler control) - { - if (requiresRaiseEvent == null) - requiresRaiseEvent = new ArrayList (); - requiresRaiseEvent.Add (control); - } - - [MonoTODO] - public void RegisterViewStateHandler () - { - // Do nothing - } - - protected virtual void SavePageStateToPersistenceMedium (object viewState) - { - _savedViewState = viewState; - } - - protected virtual object LoadPageStateFromPersistenceMedium () - { - return _savedViewState; - } - - internal void LoadPageViewState() - { - object sState = LoadPageStateFromPersistenceMedium (); - if (sState != null) { - Pair pair = (Pair) sState; - LoadViewStateRecursive (pair.First); - _requiresPostBack = pair.Second as ArrayList; - } - } - - internal void SavePageViewState () - { - Pair pair = new Pair (); - pair.First = SaveViewStateRecursive (); - pair.Second = _requiresPostBack; - SavePageStateToPersistenceMedium (pair); - } - - public virtual void Validate () - { - if (_validators == null || _validators.Count == 0){ - _isValid = true; - return; - } - - bool all_valid = true; - foreach (IValidator v in _validators){ - v.Validate (); - if (v.IsValid == false) - all_valid = false; - } - - if (all_valid) - _isValid = true; - } - - public virtual void VerifyRenderingInServerForm (Control control) - { - if (!renderingForm) - throw new HttpException ("Control '" + control.ClientID + " " + control.GetType () + - "' must be rendered within a HtmlForm"); - } - - #endregion -} -} |