/// <devdoc>
/// <para>Registers array declarations using the default array, <see langword='Page_Validators'/> .</para>
/// </devdoc>
protected virtual void RegisterValidatorDeclaration()
{
const string arrayName = "Page_Validators";
string element = "document.getElementById(\"" + ClientID + "\")";
// Cannot use the overloads of Register* that take a Control, since these methods only work with AJAX 3.5,
// and we need to support Validators in AJAX 1.0 (Windows OS Bugs 2015831).
if (!Page.IsPartialRenderingSupported)
{
Page.ClientScript.RegisterArrayDeclaration(arrayName, element);
}
else
{
ValidatorCompatibilityHelper.RegisterArrayDeclaration(this, arrayName, element);
// Register a dispose script to make sure we clean up the page if we get destroyed
// during an async postback.
// We should technically use the ScriptManager.RegisterDispose() method here, but the original implementation
// of Validators in AJAX 1.0 manually attached a dispose expando. We added this code back in the product
// late in the Orcas cycle, and we didn't want to take the risk of using RegisterDispose() instead.
// (Windows OS Bugs 2015831)
ValidatorCompatibilityHelper.RegisterStartupScript(this, typeof(BaseValidator), ClientID + "_DisposeScript",
String.Format(
CultureInfo.InvariantCulture,
@"
document.getElementById('{0}').dispose = function() {{
Array.remove({1}, document.getElementById('{0}'));
}}
",
ClientID, arrayName), true);
}
}
protected internal override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
if (this.Enabled)
{
Page page = this.Page;
if ((page != null) && (page.RequestInternal != null))
{
this.renderUplevel = (this.EnableClientScript && (page.Request.Browser.W3CDomVersion.Major >= 1)) && (page.Request.Browser.EcmaScriptVersion.CompareTo(new Version(1, 2)) >= 0);
}
if (this.renderUplevel)
{
string arrayValue = "document.getElementById(\"" + this.ClientID + "\")";
if (!this.Page.IsPartialRenderingSupported)
{
this.Page.ClientScript.RegisterArrayDeclaration("Page_ValidationSummaries", arrayValue);
}
else
{
ValidatorCompatibilityHelper.RegisterArrayDeclaration(this, "Page_ValidationSummaries", arrayValue);
ValidatorCompatibilityHelper.RegisterStartupScript(this, typeof(ValidationSummary), this.ClientID + "_DisposeScript", string.Format(CultureInfo.InvariantCulture, "\r\ndocument.getElementById('{0}').dispose = function() {{\r\n Array.remove({1}, document.getElementById('{0}'));\r\n}}\r\n", new object[] { this.ClientID, "Page_ValidationSummaries" }), true);
}
}
}
}
/// <devdoc>
/// <para>
/// Registers code on the page for client-side validation.
/// </para>
/// </devdoc>
protected void RegisterValidatorCommonScript()
{
const string onSubmitScriptKey = "ValidatorOnSubmit";
const string onSubmitScript = "if (typeof(ValidatorOnSubmit) == \"function\" && ValidatorOnSubmit() == false) return false;";
// Cannot use the overloads of Register* that take a Control, since these methods only work with AJAX 3.5,
// and we need to support Validators in AJAX 1.0 (Windows OS Bugs 2015831).
if (!Page.IsPartialRenderingSupported)
{
if (Page.ClientScript.IsClientScriptBlockRegistered(typeof(BaseValidator), ValidatorIncludeScriptKey))
{
return;
}
Page.ClientScript.RegisterClientScriptResource(typeof(BaseValidator), ValidatorFileName);
Page.ClientScript.RegisterOnSubmitStatement(typeof(BaseValidator), onSubmitScriptKey, onSubmitScript);
if (!IsUnobtrusive)
{
Page.ClientScript.RegisterStartupScript(typeof(BaseValidator), ValidatorIncludeScriptKey, ValidatorStartupScript, addScriptTags: true);
}
}
else
{
// Register the original validation scripts but through the new ScriptManager APIs
ValidatorCompatibilityHelper.RegisterClientScriptResource(this, typeof(BaseValidator), ValidatorFileName);
ValidatorCompatibilityHelper.RegisterOnSubmitStatement(this, typeof(BaseValidator), onSubmitScriptKey, onSubmitScript);
if (!IsUnobtrusive)
{
ValidatorCompatibilityHelper.RegisterStartupScript(this, typeof(BaseValidator), ValidatorIncludeScriptKey, ValidatorStartupScript, addScriptTags: true);
}
}
}
internal static void AddExpandoAttribute(Control control, HtmlTextWriter writer, string controlId, string attributeName, string attributeValue, bool encode)
{
Debug.Assert(control != null);
Page page = control.Page;
Debug.Assert(page != null);
// if writer is not null, assuming the expando attribute is written out explicitly
if (writer != null)
{
if (page.UnobtrusiveValidationMode != UnobtrusiveValidationMode.None)
{
attributeName = UnobtrusivePrefix + attributeName;
}
writer.AddAttribute(attributeName, attributeValue, encode);
}
else
{
Debug.Assert(page.UnobtrusiveValidationMode == UnobtrusiveValidationMode.None, "The writer must have been passed in the Unobtrusive mode");
// Cannot use the overload of RegisterExpandoAttribute that takes a Control, since that method only works with AJAX 3.5,
// and we need to support Validators in AJAX 1.0 (Windows OS Bugs 2015831).
if (!page.IsPartialRenderingSupported)
{
// Fall back to ASP.NET 2.0 behavior
page.ClientScript.RegisterExpandoAttribute(controlId, attributeName, attributeValue, encode);
}
else
{
// Atlas Partial Rendering support
// ScriptManager exists, so call its instance' method for script registration
ValidatorCompatibilityHelper.RegisterExpandoAttribute(control, controlId, attributeName, attributeValue, encode);
}
}
}
/// <internalonly/>
/// <devdoc>
/// PreRender method.
/// </devdoc>
protected internal override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
// Act like invisible if disabled
if (!Enabled)
{
return;
}
// work out uplevelness now
Page page = Page;
if (page != null && page.RequestInternal != null)
{
renderUplevel = (EnableClientScript && ShowValidationErrors &&
page.Request.Browser.W3CDomVersion.Major >= 1 &&
page.Request.Browser.EcmaScriptVersion.CompareTo(new Version(1, 2)) >= 0);
}
if (renderUplevel && !IsUnobtrusive)
{
const string arrayName = "Page_ValidationSummaries";
string element = "document.getElementById(\"" + ClientID + "\")";
// Cannot use the overloads of Register* that take a Control, since these methods only work with AJAX 3.5,
// and we need to support Validators in AJAX 1.0 (Windows OS Bugs 2015831).
if (!Page.IsPartialRenderingSupported)
{
Page.ClientScript.RegisterArrayDeclaration(arrayName, element);
}
else
{
ValidatorCompatibilityHelper.RegisterArrayDeclaration(this, arrayName, element);
// Register a dispose script to make sure we clean up the page if we get destroyed
// during an async postback.
// We should technically use the ScriptManager.RegisterDispose() method here, but the original implementation
// of Validators in AJAX 1.0 manually attached a dispose expando. We added this code back in the product
// late in the Orcas cycle, and we didn't want to take the risk of using RegisterDispose() instead.
// (Windows OS Bugs 2015831)
ValidatorCompatibilityHelper.RegisterStartupScript(this, typeof(ValidationSummary), ClientID + "_DisposeScript",
String.Format(
CultureInfo.InvariantCulture,
@"
(function(id) {{
var e = document.getElementById(id);
if (e) {{
e.dispose = function() {{
Array.remove({1}, document.getElementById(id));
}}
e = null;
}}
}})('{0}');
",
ClientID, arrayName), true);
}
}
}
protected virtual void RegisterValidatorDeclaration()
{
string arrayValue = "document.getElementById(\"" + this.ClientID + "\")";
if (!this.Page.IsPartialRenderingSupported)
{
this.Page.ClientScript.RegisterArrayDeclaration("Page_Validators", arrayValue);
}
else
{
ValidatorCompatibilityHelper.RegisterArrayDeclaration(this, "Page_Validators", arrayValue);
ValidatorCompatibilityHelper.RegisterStartupScript(this, typeof(BaseValidator), this.ClientID + "_DisposeScript", string.Format(CultureInfo.InvariantCulture, "\r\ndocument.getElementById('{0}').dispose = function() {{\r\n Array.remove({1}, document.getElementById('{0}'));\r\n}}\r\n", new object[] { this.ClientID, "Page_Validators" }), true);
}
}
protected void RegisterValidatorCommonScript()
{
if (!this.Page.IsPartialRenderingSupported)
{
if (!this.Page.ClientScript.IsClientScriptBlockRegistered(typeof(BaseValidator), "ValidatorIncludeScript"))
{
this.Page.ClientScript.RegisterClientScriptResource(typeof(BaseValidator), "WebUIValidation.js");
this.Page.ClientScript.RegisterStartupScript(typeof(BaseValidator), "ValidatorIncludeScript", "\r\nvar Page_ValidationActive = false;\r\nif (typeof(ValidatorOnLoad) == \"function\") {\r\n ValidatorOnLoad();\r\n}\r\n\r\nfunction ValidatorOnSubmit() {\r\n if (Page_ValidationActive) {\r\n return ValidatorCommonOnSubmit();\r\n }\r\n else {\r\n return true;\r\n }\r\n}\r\n ", true);
this.Page.ClientScript.RegisterOnSubmitStatement(typeof(BaseValidator), "ValidatorOnSubmit", "if (typeof(ValidatorOnSubmit) == \"function\" && ValidatorOnSubmit() == false) return false;");
}
}
else
{
ValidatorCompatibilityHelper.RegisterClientScriptResource(this, typeof(BaseValidator), "WebUIValidation.js");
ValidatorCompatibilityHelper.RegisterStartupScript(this, typeof(BaseValidator), "ValidatorIncludeScript", "\r\nvar Page_ValidationActive = false;\r\nif (typeof(ValidatorOnLoad) == \"function\") {\r\n ValidatorOnLoad();\r\n}\r\n\r\nfunction ValidatorOnSubmit() {\r\n if (Page_ValidationActive) {\r\n return ValidatorCommonOnSubmit();\r\n }\r\n else {\r\n return true;\r\n }\r\n}\r\n ", true);
ValidatorCompatibilityHelper.RegisterOnSubmitStatement(this, typeof(BaseValidator), "ValidatorOnSubmit", "if (typeof(ValidatorOnSubmit) == \"function\" && ValidatorOnSubmit() == false) return false;");
}
}
internal static void AddExpandoAttribute(Control control, HtmlTextWriter writer, string controlId, string attributeName, string attributeValue, bool encode)
{
if (writer != null)
{
writer.AddAttribute(attributeName, attributeValue, encode);
}
else
{
Page page = control.Page;
if (!page.IsPartialRenderingSupported)
{
page.ClientScript.RegisterExpandoAttribute(controlId, attributeName, attributeValue, encode);
}
else
{
ValidatorCompatibilityHelper.RegisterExpandoAttribute(control, controlId, attributeName, attributeValue, encode);
}
}
}
internal void RegisterUnobtrusiveScript()
{
ClientScriptManager.EnsureJqueryRegistered();
ValidatorCompatibilityHelper.RegisterClientScriptResource(this, jqueryScriptKey);
}
