Begin ripping out unwanted sample content - this strips the homepage down to a single empty page you can't POST to
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@ -4,7 +4,7 @@
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/favicon.ico FaviconR GET
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/robots.txt RobotsR GET
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/ HomeR GET POST
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/ HomeR GET
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/comments CommentR POST
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@ -6,62 +6,6 @@
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module Handler.Home where
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import Import
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import Yesod.Form.Bootstrap3 (BootstrapFormLayout (..), renderBootstrap3)
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import Text.Julius (RawJS (..))
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-- Define our data that will be used for creating the form.
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data FileForm = FileForm
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{ fileInfo :: FileInfo
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, fileDescription :: Text
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}
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-- This is a handler function for the GET request method on the HomeR
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-- resource pattern. All of your resource patterns are defined in
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-- config/routes
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--
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-- The majority of the code you will write in Yesod lives in these handler
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-- functions. You can spread them across multiple files if you are so
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-- inclined, or create a single monolithic file.
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getHomeR :: Handler Html
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getHomeR = do
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(formWidget, formEnctype) <- generateFormPost sampleForm
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let submission = Nothing :: Maybe FileForm
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handlerName = "getHomeR" :: Text
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defaultLayout $ do
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let (commentFormId, commentTextareaId, commentListId) = commentIds
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aDomId <- newIdent
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setTitle "Welcome To Yesod!"
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$(widgetFile "homepage")
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postHomeR :: Handler Html
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postHomeR = do
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((result, formWidget), formEnctype) <- runFormPost sampleForm
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let handlerName = "postHomeR" :: Text
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submission = case result of
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FormSuccess res -> Just res
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_ -> Nothing
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defaultLayout $ do
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let (commentFormId, commentTextareaId, commentListId) = commentIds
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aDomId <- newIdent
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setTitle "Welcome To Yesod!"
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$(widgetFile "homepage")
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sampleForm :: Form FileForm
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sampleForm = renderBootstrap3 BootstrapBasicForm $ FileForm
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<$> fileAFormReq "Choose a file"
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<*> areq textField textSettings Nothing
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-- Add attributes like the placeholder and CSS classes.
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where textSettings = FieldSettings
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{ fsLabel = "What's on the file?"
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, fsTooltip = Nothing
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, fsId = Nothing
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, fsName = Nothing
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, fsAttrs =
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[ ("class", "form-control")
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, ("placeholder", "File description")
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]
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}
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commentIds :: (Text, Text, Text)
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commentIds = ("js-commentForm", "js-createCommentTextarea", "js-commentList")
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getHomeR = defaultLayout $(widgetFile "homepage")
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@ -1,139 +0,0 @@
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<div .masthead>
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<div .container>
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<div .row>
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<h1 .header>
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Yesod—a modern framework for blazing fast websites
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<h2>
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Fast, stable & spiced with great community
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<a href="http://www.yesodweb.com/book/" .btn.btn-info.btn-lg>
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Read the Book
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<div .container>
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<!-- Starting
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================================================== -->
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<div .bs-docs-section>
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<div .row>
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<div .col-lg-12>
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<div .page-header>
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<h1 #start>Starting
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<p>
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Now that you have a working project you should use the
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<a href=http://www.yesodweb.com/book/>Yesod book</a> to learn more.
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<p>
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You can also use this scaffolded site to explore some concepts, and best practices.
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<ul .list-group>
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<li .list-group-item>
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This page was generated by the <tt>#{handlerName}</tt> handler in
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<tt>Handler/Home.hs</tt>.
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<li .list-group-item>
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The <tt>#{handlerName}</tt> handler is set to generate your
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site's home screen in Routes file
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<tt>config/routes
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<li .list-group-item>
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We can link to other handlers, like the <a href="@{ProfileR}">Profile</a>.
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Try it out as an anonymous user and see the access denied.
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Then, try to <a href="@{AuthR LoginR}">login</a> with the dummy authentication added
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while in development.
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<li .list-group-item>
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The HTML you are seeing now is actually composed by a number of <em>widgets</em>, #
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most of them are brought together by the <tt>defaultLayout</tt> function which #
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is defined in the <tt>Foundation.hs</tt> module, and used by <tt>#{handlerName}</tt>. #
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All the files for templates and wigdets are in <tt>templates</tt>.
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<li .list-group-item>
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A Widget's Html, Css and Javascript are separated in three files with the
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<tt>.hamlet</tt>, <tt>.lucius</tt> and <tt>.julius</tt> extensions.
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<li .list-group-item ##{aDomId}>
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If you had javascript enabled then you wouldn't be seeing this.
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<hr>
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<!-- Forms
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================================================== -->
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<div .bs-docs-section>
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<div .row>
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<div .col-lg-12>
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<div .page-header>
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<h1 #forms>Forms
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<p>
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This is an example of a form. Read the
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<a href="http://www.yesodweb.com/book/forms">Forms chapter</a> #
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on the yesod book to learn more about them.
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<div .row>
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<div .col-lg-6>
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<div .bs-callout bs-callout-info well>
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<form .form-horizontal method=post action=@{HomeR}#forms enctype=#{formEnctype}>
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^{formWidget}
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<button .btn.btn-primary type="submit">
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Upload it!
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<div .col-lg-4.col-lg-offset-1>
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<div .bs-callout.bs-callout-info.upload-response>
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$maybe (FileForm info con) <- submission
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Your file type is <em>#{fileContentType info}</em>. You say it has: <em>#{con}</em>
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$nothing
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File upload result will be here...
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<hr>
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<!-- JSON
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================================================== -->
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<div .bs-docs-section>
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<div .row>
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<div .col-lg-12>
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<div .page-header>
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<h1 #json>JSON
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<p>
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Yesod has JSON support baked-in.
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The form below makes an AJAX request with Javascript,
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then updates the page with your submission.
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(see <tt>Handler/Comment.hs</tt>, <tt>templates/homepage.julius</tt>,
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and <tt>Handler/Home.hs</tt> for the implementation).
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<div .row>
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<div .col-lg-6>
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<div .bs-callout.bs-callout-info.well>
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<form .form-horizontal ##{commentFormId}>
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<div .field>
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<textarea rows="2" ##{commentTextareaId} placeholder="Your comment here..." required></textarea>
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<button .btn.btn-primary type=submit>
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Create comment
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<div .col-lg-4.col-lg-offset-1>
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<div .bs-callout.bs-callout-info>
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<small>
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Your comments will appear here. You can also open the
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console log to see the raw response from the server.
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<ul ##{commentListId}>
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<hr>
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<!-- Testing
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================================================== -->
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<div .bs-docs-section>
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<div .row>
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<div .col-lg-12>
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<div .page-header>
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<h1 #test>Testing
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<p>
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And last but not least, Testing. In <tt>test/Spec.hs</tt> you will find a #
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test suite that performs tests on this page.
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<p>
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You can run your tests by doing: <code>stack test</code>
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@ -1,34 +0,0 @@
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document.getElementById(#{toJSON aDomId}).innerHTML = "This text was added by the Javascript part of the homepage widget.";
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$(function() {
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$("##{rawJS commentFormId}").submit(function(event) {
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event.preventDefault();
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var message = $("##{rawJS commentTextareaId}").val();
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// (Browsers that enforce the "required" attribute on the textarea won't see this alert)
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if (!message) {
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alert("Please fill out the comment form first.");
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return;
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}
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// Make an AJAX request to the server to create a new comment
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$.ajax({
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url: '@{CommentR}',
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type: 'POST',
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contentType: "application/json",
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data: JSON.stringify({
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message: message,
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}),
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success: function (data) {
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var newNode = $("<li></li>");
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newNode.text(data.message);
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console.log(data);
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$("##{rawJS commentListId}").append(newNode);
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},
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error: function (data) {
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console.log("Error creating comment: " + data);
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},
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});
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});
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});
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@ -1,13 +0,0 @@
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h2##{aDomId} {
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color: #990
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}
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li {
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line-height: 2em;
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font-size: 16px
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}
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##{commentTextareaId} {
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width: 400px;
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height: 100px;
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}
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