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dougbudougbu
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Add TextAreaTagHelper and Microsoft.AspNet.Mvc.TagHelpers project
- rest of #1243 and all of #1244 - needs a few utility methods for copying `TagBuilder` to `TagHelperOutput` - but works as-is
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‎Mvc.sln

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@@ -100,6 +100,8 @@ Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Microsoft.AspNet.Mvc.WebApi
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EndProject
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "TagHelperSample.Web", "samples\TagHelperSample.Web\TagHelperSample.Web.kproj", "{2223120F-D675-40DA-8CD8-11DC14A0B2C7}"
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EndProject
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Microsoft.AspNet.Mvc.TagHelpers", "src\Microsoft.AspNet.Mvc.TagHelpers\Microsoft.AspNet.Mvc.TagHelpers.kproj", "{B2347320-308E-4D2B-AEC8-005DFA68B0C9}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{2223120F-D675-40DA-8CD8-11DC14A0B2C7}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
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{2223120F-D675-40DA-8CD8-11DC14A0B2C7}.Release|Mixed Platforms.Build.0 = Release|Any CPU
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{2223120F-D675-40DA-8CD8-11DC14A0B2C7}.Release|x86.ActiveCfg = Release|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Debug|x86.ActiveCfg = Debug|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Release|Any CPU.Build.0 = Release|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Release|Mixed Platforms.Build.0 = Release|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Release|x86.ActiveCfg = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
@@ -578,5 +590,6 @@ Global
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{B2B7BC91-688E-4C1E-A71F-CE948D958DDF} = {16703B76-C9F7-4C75-AE6C-53D92E308E3C}
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{5DE8E4D9-AACD-4B5F-819F-F091383FB996} = {3BA657BF-28B1-42DA-B5B0-1C4601FCF7B1}
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{2223120F-D675-40DA-8CD8-11DC14A0B2C7} = {DAAE4C74-D06F-4874-A166-33305D2643CE}
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9} = {32285FA4-6B46-4D6B-A840-2B13E4C8B58E}
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EndGlobalSection
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EndGlobal

‎src/Microsoft.AspNet.Mvc.TagHelpers/Microsoft.AspNet.Mvc.TagHelpers.kproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
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<VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
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</PropertyGroup>
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<Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.Props" Condition="'$(VSToolsPath)' != ''" />
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<PropertyGroup Label="Globals">
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<ProjectGuid>b2347320-308e-4d2b-aec8-005dfa68b0c9</ProjectGuid>
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<OutputType>Library</OutputType>
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<RootNamespace>Microsoft.AspNet.Mvc.TagHelpers</RootNamespace>
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</PropertyGroup>
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<PropertyGroup>
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<SchemaVersion>2.0</SchemaVersion>
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</PropertyGroup>
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<Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.targets" Condition="'$(VSToolsPath)' != ''" />
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</Project>

‎src/Microsoft.AspNet.Mvc.TagHelpers/TextAreaTagHelper.cs

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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using Microsoft.AspNet.Mvc.Rendering;
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using Microsoft.AspNet.Razor.TagHelpers;
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using Microsoft.AspNet.Razor.Runtime.TagHelpers;
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namespace Microsoft.AspNet.Mvc.TagHelpers
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{
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/// <summary>
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/// <see cref="ITagHelper"/> implementation targeting &lt;textarea&gt; elements.
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/// </summary>
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[ContentBehavior(ContentBehavior.Replace)]
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public class TextAreaTagHelper : TagHelper
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{
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[Activate]
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private IHtmlGenerator Generator { get; set; }
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[Activate]
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private ViewContext ViewContext { get; set; }
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/// <summary>
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/// An expression to be evaluated against the current model.
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/// </summary>
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public ModelExpression For { get; set; }
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/// <inheritdoc />
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/// <remarks>Does nothing unless user binds "for" attribute in Razor source.</remarks>
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public override void Process(TagHelperContext context, TagHelperOutput output)
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{
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if (For != null)
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{
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var tagBuilder = Generator.GenerateTextArea(
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ViewContext,
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For.Metadata,
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For.Name,
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rows: 0,
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columns: 0,
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htmlAttributes: null);
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if (tagBuilder != null)
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{
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output.SelfClosing = false;
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// TODO: Use infrastructure from PR #1322 to copy from tagBuilder.
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foreach (var attribute in tagBuilder.Attributes)
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{
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if (!output.Attributes.ContainsKey(attribute.Key))
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{
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output.Attributes.Add(attribute.Key, attribute.Value);
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}
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}
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output.Content = tagBuilder.InnerHtml;
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output.TagName = tagBuilder.TagName;
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}
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}
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}
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}
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}

‎src/Microsoft.AspNet.Mvc.TagHelpers/project.json

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{
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"version": "6.0.0-*",
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"compilationOptions": {
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"warningsAsErrors": true
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},
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"dependencies": {
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"Microsoft.AspNet.Mvc.Razor": ""
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},
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"frameworks": {
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"aspnet50": {
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"dependencies": {}
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},
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"aspnetcore50": {
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"dependencies": {
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"System.Runtime": "4.0.20.0"
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}
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}
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}
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}

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