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/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation. All rights reserved.
*
* This software is subject to the Microsoft Public License (Ms-PL).
* A copy of the license can be found in the license.htm file included
* in this distribution.
*
* You must not remove this notice, or any other, from this software.
*
* ***************************************************************************/
namespace System.Web.Mvc.Ajax {
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Web;
using System.Web.Mvc;
using System.Web.Mvc.Html;
using System.Web.Mvc.Resources;
using System.Web.Routing;
public static class AjaxExtensions {
private const string LinkOnClickFormat = "Sys.Mvc.AsyncHyperlink.handleClick(this, new Sys.UI.DomEvent(event), {0});";
private const string FormOnClickValue = "Sys.Mvc.AsyncForm.handleClick(this, new Sys.UI.DomEvent(event));";
private const string FormOnSubmitFormat = "Sys.Mvc.AsyncForm.handleSubmit(this, new Sys.UI.DomEvent(event), {0});";
private const string _globalizationScript = @"<script type=""text/javascript"" src=""{0}""></script>";
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, AjaxOptions ajaxOptions) {
return ActionLink(ajaxHelper, linkText, actionName, (string)null /* controllerName */, ajaxOptions);
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, object routeValues, AjaxOptions ajaxOptions) {
return ActionLink(ajaxHelper, linkText, actionName, (string)null /* controllerName */, routeValues, ajaxOptions);
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, object routeValues, AjaxOptions ajaxOptions, object htmlAttributes) {
return ActionLink(ajaxHelper, linkText, actionName, (string)null /* controllerName */, routeValues, ajaxOptions, htmlAttributes);
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions) {
return ActionLink(ajaxHelper, linkText, actionName, (string)null /* controllerName */, routeValues, ajaxOptions);
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
return ActionLink(ajaxHelper, linkText, actionName, (string)null /* controllerName */, routeValues, ajaxOptions, htmlAttributes);
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, string controllerName, AjaxOptions ajaxOptions) {
return ActionLink(ajaxHelper, linkText, actionName, controllerName, null /* values */, ajaxOptions, null /* htmlAttributes */);
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, string controllerName, object routeValues, AjaxOptions ajaxOptions) {
return ActionLink(ajaxHelper, linkText, actionName, controllerName, routeValues, ajaxOptions, null /* htmlAttributes */);
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, string controllerName, object routeValues, AjaxOptions ajaxOptions, object htmlAttributes) {
RouteValueDictionary newValues = new RouteValueDictionary(routeValues);
Dictionary<string, object> newAttributes = ObjectToCaseSensitiveDictionary(htmlAttributes);
return ActionLink(ajaxHelper, linkText, actionName, controllerName, newValues, ajaxOptions, newAttributes);
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, string controllerName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions) {
return ActionLink(ajaxHelper, linkText, actionName, controllerName, routeValues, ajaxOptions, null /* htmlAttributes */);
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, string controllerName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
if (String.IsNullOrEmpty(linkText)) {
throw new ArgumentException(MvcResources.Common_NullOrEmpty, "linkText");
}
string targetUrl = UrlHelper.GenerateUrl(null, actionName, controllerName, routeValues, ajaxHelper.RouteCollection, ajaxHelper.ViewContext.RequestContext, true /* includeImplicitMvcValues */);
return MvcHtmlString.Create(GenerateLink(linkText, targetUrl, GetAjaxOptions(ajaxOptions), htmlAttributes));
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, string controllerName, string protocol, string hostName, string fragment, object routeValues, AjaxOptions ajaxOptions, object htmlAttributes) {
RouteValueDictionary newValues = new RouteValueDictionary(routeValues);
Dictionary<string, object> newAttributes = ObjectToCaseSensitiveDictionary(htmlAttributes);
return ActionLink(ajaxHelper, linkText, actionName, controllerName, protocol, hostName, fragment, newValues, ajaxOptions, newAttributes);
}
public static MvcHtmlString ActionLink(this AjaxHelper ajaxHelper, string linkText, string actionName, string controllerName, string protocol, string hostName, string fragment, RouteValueDictionary routeValues, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
if (String.IsNullOrEmpty(linkText)) {
throw new ArgumentException(MvcResources.Common_NullOrEmpty, "linkText");
}
string targetUrl = UrlHelper.GenerateUrl(null /* routeName */, actionName, controllerName, protocol, hostName, fragment, routeValues, ajaxHelper.RouteCollection, ajaxHelper.ViewContext.RequestContext, true /* includeImplicitMvcValues */);
return MvcHtmlString.Create(GenerateLink(linkText, targetUrl, ajaxOptions, htmlAttributes));
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, AjaxOptions ajaxOptions) {
string formAction = ajaxHelper.ViewContext.HttpContext.Request.RawUrl;
return FormHelper(ajaxHelper, formAction, ajaxOptions, new RouteValueDictionary());
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, string actionName, AjaxOptions ajaxOptions) {
return BeginForm(ajaxHelper, actionName, (string)null /* controllerName */, ajaxOptions);
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, string actionName, object routeValues, AjaxOptions ajaxOptions) {
return BeginForm(ajaxHelper, actionName, (string)null /* controllerName */, routeValues, ajaxOptions);
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, string actionName, object routeValues, AjaxOptions ajaxOptions, object htmlAttributes) {
return BeginForm(ajaxHelper, actionName, (string)null /* controllerName */, routeValues, ajaxOptions, htmlAttributes);
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, string actionName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions) {
return BeginForm(ajaxHelper, actionName, (string)null /* controllerName */, routeValues, ajaxOptions);
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, string actionName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
return BeginForm(ajaxHelper, actionName, (string)null /* controllerName */, routeValues, ajaxOptions, htmlAttributes);
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, string actionName, string controllerName, AjaxOptions ajaxOptions) {
return BeginForm(ajaxHelper, actionName, controllerName, null /* values */, ajaxOptions, null /* htmlAttributes */);
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, string actionName, string controllerName, object routeValues, AjaxOptions ajaxOptions) {
return BeginForm(ajaxHelper, actionName, controllerName, routeValues, ajaxOptions, null /* htmlAttributes */);
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, string actionName, string controllerName, object routeValues, AjaxOptions ajaxOptions, object htmlAttributes) {
RouteValueDictionary newValues = new RouteValueDictionary(routeValues);
Dictionary<string, object> newAttributes = ObjectToCaseSensitiveDictionary(htmlAttributes);
return BeginForm(ajaxHelper, actionName, controllerName, newValues, ajaxOptions, newAttributes);
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, string actionName, string controllerName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions) {
return BeginForm(ajaxHelper, actionName, controllerName, routeValues, ajaxOptions, null /* htmlAttributes */);
}
public static MvcForm BeginForm(this AjaxHelper ajaxHelper, string actionName, string controllerName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
// get target URL
string formAction = UrlHelper.GenerateUrl(null, actionName, controllerName, routeValues ?? new RouteValueDictionary(), ajaxHelper.RouteCollection, ajaxHelper.ViewContext.RequestContext, true /* includeImplicitMvcValues */);
return FormHelper(ajaxHelper, formAction, ajaxOptions, htmlAttributes);
}
public static MvcForm BeginRouteForm(this AjaxHelper ajaxHelper, string routeName, AjaxOptions ajaxOptions) {
return BeginRouteForm(ajaxHelper, routeName, null /* routeValues */, ajaxOptions, null /* htmlAttributes */);
}
public static MvcForm BeginRouteForm(this AjaxHelper ajaxHelper, string routeName, object routeValues, AjaxOptions ajaxOptions) {
return BeginRouteForm(ajaxHelper, routeName, (object)routeValues, ajaxOptions, null /* htmlAttributes */);
}
public static MvcForm BeginRouteForm(this AjaxHelper ajaxHelper, string routeName, object routeValues, AjaxOptions ajaxOptions, object htmlAttributes) {
Dictionary<string, object> newAttributes = ObjectToCaseSensitiveDictionary(htmlAttributes);
return BeginRouteForm(ajaxHelper, routeName, new RouteValueDictionary(routeValues), ajaxOptions, newAttributes);
}
public static MvcForm BeginRouteForm(this AjaxHelper ajaxHelper, string routeName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions) {
return BeginRouteForm(ajaxHelper, routeName, routeValues, ajaxOptions, null /* htmlAttributes */);
}
public static MvcForm BeginRouteForm(this AjaxHelper ajaxHelper, string routeName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
string formAction = UrlHelper.GenerateUrl(routeName, null /* actionName */, null /* controllerName */, routeValues ?? new RouteValueDictionary(), ajaxHelper.RouteCollection, ajaxHelper.ViewContext.RequestContext, false /* includeImplicitMvcValues */);
return FormHelper(ajaxHelper, formAction, ajaxOptions, htmlAttributes);
}
private static MvcForm FormHelper(this AjaxHelper ajaxHelper, string formAction, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
TagBuilder builder = new TagBuilder("form");
builder.MergeAttributes(htmlAttributes);
builder.MergeAttribute("action", formAction);
builder.MergeAttribute("method", "post");
builder.MergeAttribute("onclick", FormOnClickValue);
builder.MergeAttribute("onsubmit", GenerateAjaxScript(GetAjaxOptions(ajaxOptions), FormOnSubmitFormat));
if (ajaxHelper.ViewContext.ClientValidationEnabled) {
// forms must have an ID for client validation
builder.GenerateId(ajaxHelper.ViewContext.FormIdGenerator());
}
ajaxHelper.ViewContext.Writer.Write(builder.ToString(TagRenderMode.StartTag));
MvcForm theForm = new MvcForm(ajaxHelper.ViewContext);
if (ajaxHelper.ViewContext.ClientValidationEnabled) {
ajaxHelper.ViewContext.FormContext.FormId = builder.Attributes["id"];
}
return theForm;
}
public static MvcHtmlString GlobalizationScript(this AjaxHelper ajaxHelper) {
return GlobalizationScript(ajaxHelper, CultureInfo.CurrentCulture);
}
[SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "ajaxHelper",
Justification = "This is an extension method")]
public static MvcHtmlString GlobalizationScript(this AjaxHelper ajaxHelper, CultureInfo cultureInfo) {
return GlobalizationScriptHelper(AjaxHelper.GlobalizationScriptPath, cultureInfo);
}
private static MvcHtmlString GlobalizationScriptHelper(string scriptPath, CultureInfo cultureInfo) {
if (cultureInfo == null) {
throw new ArgumentNullException("cultureInfo");
}
string src = VirtualPathUtility.AppendTrailingSlash(scriptPath) + cultureInfo.Name + ".js";
string scriptWithCorrectNewLines = _globalizationScript.Replace("\r\n", Environment.NewLine);
string formatted = String.Format(CultureInfo.InvariantCulture, scriptWithCorrectNewLines, src);
return MvcHtmlString.Create(formatted);
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, object routeValues, AjaxOptions ajaxOptions) {
return RouteLink(ajaxHelper, linkText, null /* routeName */, new RouteValueDictionary(routeValues), ajaxOptions,
new Dictionary<string, object>());
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, object routeValues, AjaxOptions ajaxOptions, object htmlAttributes) {
return RouteLink(ajaxHelper, linkText, null /* routeName */, new RouteValueDictionary(routeValues), ajaxOptions,
ObjectToCaseSensitiveDictionary(htmlAttributes));
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, RouteValueDictionary routeValues, AjaxOptions ajaxOptions) {
return RouteLink(ajaxHelper, linkText, null /* routeName */, routeValues, ajaxOptions,
new Dictionary<string, object>());
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, RouteValueDictionary routeValues, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
return RouteLink(ajaxHelper, linkText, null /* routeName */, routeValues, ajaxOptions, htmlAttributes);
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, string routeName, AjaxOptions ajaxOptions) {
return RouteLink(ajaxHelper, linkText, routeName, new RouteValueDictionary(), ajaxOptions,
new Dictionary<string, object>());
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, string routeName, AjaxOptions ajaxOptions, object htmlAttributes) {
return RouteLink(ajaxHelper, linkText, routeName, new RouteValueDictionary(), ajaxOptions, ObjectToCaseSensitiveDictionary(htmlAttributes));
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, string routeName, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
return RouteLink(ajaxHelper, linkText, routeName, new RouteValueDictionary(), ajaxOptions, htmlAttributes);
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, string routeName, object routeValues, AjaxOptions ajaxOptions) {
return RouteLink(ajaxHelper, linkText, routeName, new RouteValueDictionary(routeValues), ajaxOptions,
new Dictionary<string, object>());
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, string routeName, object routeValues, AjaxOptions ajaxOptions, object htmlAttributes) {
return RouteLink(ajaxHelper, linkText, routeName, new RouteValueDictionary(routeValues), ajaxOptions,
ObjectToCaseSensitiveDictionary(htmlAttributes));
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, string routeName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions) {
return RouteLink(ajaxHelper, linkText, routeName, routeValues, ajaxOptions, new Dictionary<string, object>());
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, string routeName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
if (String.IsNullOrEmpty(linkText)) {
throw new ArgumentException(MvcResources.Common_NullOrEmpty, "linkText");
}
string targetUrl = UrlHelper.GenerateUrl(routeName, null /* actionName */, null /* controllerName */, routeValues ?? new RouteValueDictionary(), ajaxHelper.RouteCollection, ajaxHelper.ViewContext.RequestContext, false /* includeImplicitMvcValues */);
return MvcHtmlString.Create(GenerateLink(linkText, targetUrl, GetAjaxOptions(ajaxOptions), htmlAttributes));
}
public static MvcHtmlString RouteLink(this AjaxHelper ajaxHelper, string linkText, string routeName, string protocol, string hostName, string fragment, RouteValueDictionary routeValues, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
if (String.IsNullOrEmpty(linkText)) {
throw new ArgumentException(MvcResources.Common_NullOrEmpty, "linkText");
}
string targetUrl = UrlHelper.GenerateUrl(routeName, null /* actionName */, null /* controllerName */, protocol, hostName, fragment, routeValues ?? new RouteValueDictionary(), ajaxHelper.RouteCollection, ajaxHelper.ViewContext.RequestContext, false /* includeImplicitMvcValues */);
return MvcHtmlString.Create(GenerateLink(linkText, targetUrl, GetAjaxOptions(ajaxOptions), htmlAttributes));
}
internal static string InsertionModeToString(InsertionMode insertionMode) {
switch (insertionMode) {
case InsertionMode.Replace:
return "Sys.Mvc.InsertionMode.replace";
case InsertionMode.InsertBefore:
return "Sys.Mvc.InsertionMode.insertBefore";
case InsertionMode.InsertAfter:
return "Sys.Mvc.InsertionMode.insertAfter";
default:
return ((int)insertionMode).ToString(CultureInfo.InvariantCulture);
}
}
private static Dictionary<string, object> ObjectToCaseSensitiveDictionary(object values) {
Dictionary<string, object> dict = new Dictionary<string, object>(StringComparer.Ordinal);
if (values != null) {
foreach (PropertyDescriptor prop in TypeDescriptor.GetProperties(values)) {
object val = prop.GetValue(values);
dict[prop.Name] = val;
}
}
return dict;
}
private static string GenerateLink(string linkText, string targetUrl, AjaxOptions ajaxOptions, IDictionary<string, object> htmlAttributes) {
TagBuilder tag = new TagBuilder("a") {
InnerHtml = HttpUtility.HtmlEncode(linkText)
};
tag.MergeAttributes(htmlAttributes);
tag.MergeAttribute("href", targetUrl);
tag.MergeAttribute("onclick", GenerateAjaxScript(ajaxOptions, LinkOnClickFormat));
return tag.ToString(TagRenderMode.Normal);
}
private static string GenerateAjaxScript(AjaxOptions ajaxOptions, string scriptFormat) {
string optionsString = ajaxOptions.ToJavascriptString();
return String.Format(CultureInfo.InvariantCulture, scriptFormat, optionsString);
}
private static AjaxOptions GetAjaxOptions(AjaxOptions ajaxOptions) {
return (ajaxOptions != null) ? ajaxOptions : new AjaxOptions();
}
}
}
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