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Adding ActionLink

This commit is contained in:
Ryan Nowak 2014-04-04 14:55:00 -07:00
parent c8ede78582
commit 4e1511ed4d
5 changed files with 156 additions and 3 deletions
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2
samples/MvcSample.Web/Views/Shared/MyView.cshtml
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@ -68,7 +68,7 @@
<p>
Go to our cool travel reservation system.
</p>
<p><a class="btn btn-default" href="@Url.Action("Fly", "Flight", new { area = "Travel" })">Reserve Now</a></p>
<p>@Html.ActionLink("Reserve Now", "Fly", "Flight", new { area = "Travel" }, new { @class = "btn btn-default" })</p>
</div>
<div class="col-md-4">
<h2>Get more libraries</h2>

31
src/Microsoft.AspNet.Mvc.Core/Rendering/Html/HtmlHelper.cs
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@ -2,7 +2,6 @@
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq.Expressions;
using System.Net;
using System.Reflection;
using System.Text;
@ -88,6 +87,20 @@ namespace Microsoft.AspNet.Mvc.Rendering
protected IModelMetadataProvider MetadataProvider { get; private set; }
public HtmlString ActionLink(
[NotNull] string linkText,
string actionName,
string controllerName,
string protocol,
string hostname,
string fragment,
object routeValues,
object htmlAttributes)
{
var url = _urlHelper.Action(actionName, controllerName, routeValues);
return GenerateLink(linkText, url, HtmlHelper.AnonymousObjectToHtmlAttributes(htmlAttributes));
}
/// <summary>
/// Creates a dictionary from an object, by adding each public instance property as a key with its associated
/// value to the dictionary. It will expose public properties from derived types as well. This is typically used
@ -483,6 +496,22 @@ namespace Microsoft.AspNet.Mvc.Rendering
return theForm;
}
protected virtual HtmlString GenerateLink(
[NotNull] string linkText,
[NotNull] string url,
IDictionary<string, object> htmlAttributes)
{
var tagBuilder = new TagBuilder("a")
{
InnerHtml = WebUtility.HtmlEncode(linkText),
};
tagBuilder.MergeAttributes(htmlAttributes);
tagBuilder.MergeAttribute("href", url);
return tagBuilder.ToHtmlString(TagRenderMode.Normal);
}
protected virtual HtmlString GenerateTextBox(ModelMetadata metadata, string name, object value, string format,
IDictionary<string, object> htmlAttributes)
{

1
src/Microsoft.AspNet.Mvc.Core/Rendering/Html/HtmlHelperOfT.cs
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@ -1,6 +1,5 @@
using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using System.Linq.Expressions;
using Microsoft.AspNet.Mvc.Core;
using Microsoft.AspNet.Mvc.ModelBinding;

93
src/Microsoft.AspNet.Mvc.Core/Rendering/HtmlHelperLinkExtensions.cs Normal file
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@ -0,0 +1,93 @@

namespace Microsoft.AspNet.Mvc.Rendering
{
public static class HtmlHelperLinkExtensions
{
public static HtmlString ActionLink<TModel>(
[NotNull] this IHtmlHelper<TModel> helper,
[NotNull] string linkText,
string actionName)
{
return helper.ActionLink(
linkText,
actionName,
controllerName: null,
protocol: null,
hostname: null,
fragment: null,
routeValues: null,
htmlAttributes: null);
}
public static HtmlString ActionLink<TModel>(
[NotNull] this IHtmlHelper<TModel> helper,
[NotNull] string linkText,
string actionName,
object routeValues)
{
return helper.ActionLink(
linkText,
actionName,
controllerName: null,
protocol: null,
hostname: null,
fragment: null,
routeValues: routeValues,
htmlAttributes: null);
}
public static HtmlString ActionLink<TModel>(
[NotNull] this IHtmlHelper<TModel> helper,
[NotNull] string linkText,
string actionName,
object routeValues,
object htmlAttributes)
{
return helper.ActionLink(
linkText,
actionName,
controllerName: null,
protocol: null,
hostname: null,
fragment: null,
routeValues: routeValues,
htmlAttributes: htmlAttributes);
}
public static HtmlString ActionLink<TModel>(
[NotNull] this IHtmlHelper<TModel> helper,
[NotNull] string linkText,
string actionName,
string controllerName)
{
return helper.ActionLink(
linkText,
actionName,
controllerName,
protocol: null,
hostname: null,
fragment: null,
routeValues: null,
htmlAttributes: null);
}
public static HtmlString ActionLink<TModel>(
[NotNull] this IHtmlHelper<TModel> helper,
[NotNull] string linkText,
string actionName,
string controllerName,
object routeValues,
object htmlAttributes)
{
return helper.ActionLink(
linkText,
actionName,
controllerName,
protocol: null,
hostname: null,
fragment: null,
routeValues: routeValues,
htmlAttributes: htmlAttributes);
}
}
}

32
src/Microsoft.AspNet.Mvc.Core/Rendering/IHtmlHelperOfT.cs
View File

@ -31,6 +31,38 @@ namespace Microsoft.AspNet.Mvc.Rendering
/// </summary>
ViewDataDictionary<TModel> ViewData { get; }
/// <summary>
/// Returns an anchor element (a element) that contains a url path to the specified action.
/// </summary>
/// <param name="linkText">The inner text of the anchor element.</param>
/// <param name="actionName">The name of the action.</param>
/// <param name="controllerName">The name of the controller.</param>
/// <param name="protocol">The protocol for the URL, such as &quot;http&quot; or &quot;https&quot;.</param>
/// <param name="hostname">The host name for the URL.</param>
/// <param name="fragment">The URL fragment name (the anchor name).</param>
/// <param name="routeValues">
/// An object that contains the parameters for a route. The parameters are retrieved through reflection by
/// examining the properties of the object. This object is typically created using object initializer syntax.
/// Alternatively, an <see cref="IDictionary{string, object}"/> instance containing the route parameters.
/// </param>
/// <param name="htmlAttributes">
/// An object that contains the HTML attributes to set for the element. Alternatively, an
/// <see cref="IDictionary{string, object}"/> instance containing the HTML attributes.
/// </param>
/// <returns>
/// An anchor element (a element).
/// </returns>
HtmlString ActionLink(
[NotNull] string linkText,
string actionName,
string controllerName,
string protocol,
string hostname,
string fragment,
object routeValues,
object htmlAttributes);
/// <summary>
/// Writes an opening <form> tag to the response. When the user submits the form,
/// the request will be processed by an action method.