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<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv='X-UA-Compatible' content='IE=edge;chrome=1' />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="google-site-verification" content="qjqVOvRhHfsuDbLOvaAnj2mkUZJ9Xwzg84TMVXduvUc" />
<meta charset="UTF-8">
<title>Hyperloop - Tutorials, Videos & Quickstarts</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src="https://unpkg.com/react@15/dist/react.min.js"></script>
<script src="https://unpkg.com/react-dom@15/dist/react-dom.min.js"></script>
<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/marked/0.3.5/marked.min.js"></script>
<!-- Opal and Hyperloop -->
<script src="http://cdn.opalrb.org/opal/current/opal.min.js"></script>
<script src="https://rawgit.com/ruby-hyperloop/hyperloop-js/master/dist/opal.min.js"></script>
<script src="https://rawgit.com/ruby-hyperloop/hyperloop-js/master/dist/hyperloop.min.js"></script>
<script src="https://rawgit.com/ruby-hyperloop/hyperloop-js/master/dist/hyperloop-compiler.min.js"></script>
<!-- If you want local copies... -->
<!-- <script src="../../../javascripts/opal-compiler.js"></script> -->
<!-- <script src="../../../javascripts/hyperloop.js"></script> -->
<script src="https://npmcdn.com/tether@1.2.4/dist/js/tether.min.js"></script>
<script src="../../../javascripts/bootstrap.min.js"></script>
<script src="../../../javascripts/codemirror.js"></script>
<script src="../../../javascripts/ruby.js"></script>
<script src="../../../javascripts/matchbrackets.js"></script>
<script src="../../../javascripts/react_player.js"></script>
<script src="../../../javascripts/highlight.pack.js"></script>
<!-- Components are compiled by Hyperloop Express -->
<script type="text/ruby">
class CodeMirror < Hyperloop::Component
param :code, type: String
param :heading, default: "Code"
param :rows, type: Integer, default: 0
param :top_level_component, type: String
before_mount do
r=rand(2**256).to_s(36)[0..7]
@div_code = "code_#{r}"
@div_result = "result_#{r}"
end
after_mount do
# puts params.code
@editor = `CodeMirror(document.getElementById(#{@div_code}), {
value: #{params.code.to_s},
mode: 'text/x-ruby',
matchBrackets: true,
lineNumbers: false,
indentUnit: 2,
theme: 'github'
});`
`#{@editor}.on('change', #{lambda {on_change} })`
`#{@editor}.setSize(null, #{@editor}.defaultTextHeight()*#{params.rows})` unless params.rows == 0
execute_code
end
render(DIV) do
div.card {
div.card_header { params.heading }
div(id: @div_code)
div.card_header do
img(src: '../../../images/hyperloop-logo-small-white.png' , width:'25')
span { ' ' }
'Live editor results'
end
div.card_block(id: @div_result)
}
end
def on_change
execute_code
end
def execute_code
begin
code = `#{@editor}.getValue()`
# puts code
code += "\nElement['##{@div_result}'].render(#{params.top_level_component})"
compiled_code = Opal::Compiler.new(code).compile
`ReactDOM.unmountComponentAtNode(document.getElementById(#{@div_result}));`
# Dispatchers and Receivers example works but Steps example breaks
# Hyperloop::Context.reset!
# `eval(#{compiled_code})`
# Hyperloop::Application::Boot.run()
# Steps example works but Dispatchers and Receivers example breaks
`eval(#{compiled_code})`
Hyperloop::Context.reset!
Hyperloop::Application::Boot.run()
component = Module.const_get params.top_level_component
# we need to see if the component is valid - try checking if it can render static markup
# the following line generates: `undefined method to_n for SimpleComponent`
# if React.render_to_static_markup( component ).empty?
# invalid_component_message
# end
rescue Exception => e
@time_out = after(0.1) do
unable_to_compile_message e.message
end
end
end
def invalid_component_message
message = div.text_danger do
h3.text_danger {"Oops, invalid Component..."}
p { "Your Component has been rejected by React. A valid Component must have a render macro and return just one HTML element." }
end
Element["##{@div_result}"].render{ message }
end
def unable_to_compile_message reason
message = div.text_danger do
h3.text_danger {"Can't compile..."}
p { reason }
end
Element["##{@div_result}"].render{ message }
end
end
</script>
<script type="text/ruby">
Document.ready? do
Element.find('div.codemirror-live-edit').each do |mount_point|
heading = mount_point.attr('data-heading')
rows = mount_point.attr('data-rows')
top_level_component = mount_point.attr('data-top-level-component')
code = Element[mount_point].find('pre').text.strip
params = {code: code, top_level_component: top_level_component}
params = params.merge({heading: heading}) if heading
params = params.merge({rows: rows.to_i}) if rows
codemirror_component = Object.const_get('CodeMirror')
React.render(React.create_element(codemirror_component, params ), mount_point)
end
end
</script>
<script type="text/ruby">
class ToggleCodemirror < Hyperloop::Component
param :code, type: String
param :heading, default: "Code"
param :rows, type: Integer, default: 0
param :top_level_component, type: String
param :show_code
before_mount do
r=rand(2**256).to_s(36)[0..7]
@div_code = "code_#{r}"
@div_result = "result_#{r}"
end
after_mount do
# puts params.code
@editor = `CodeMirror(document.getElementById(#{@div_code}), {
value: #{params.code.to_s},
mode: 'text/x-ruby',
matchBrackets: true,
lineNumbers: false,
indentUnit: 2,
readOnly: true,
theme: 'github'
});`
`#{@editor}.setSize(null, #{@editor}.defaultTextHeight()*#{params.rows})` unless params.rows == 0
Element['.codediv'].hide('')
mutate.show_code false
end
render(DIV) do
div.card {
div.card_header do
div(class: 'row') do
div(class: 'col-md-6') do
img(src: '../../../images/hyperloop-logo-small-white.png' , width:'25')
span { ' ' }
span { params.heading }
end
div(class: 'col-md-6 align-right') do
toggle_link
end
end
end
div(id: @div_code, class: 'codediv')
}
end
def toggle_link
BUTTON(class: 'btn btn-info btn-sm') do
state.show_code ? "Click to hide code" : "Click to show code"
end.on(:click) do |ev|
mutate.show_code !state.show_code
state.show_code ? Element["##{@div_code}"].show('') : Element["##{@div_code}"].hide('')
end
end
end
</script>
<script type="text/ruby">
Document.ready? do
Element.find('div.togglecode').each do |mount_point|
heading = mount_point.attr('data-heading')
rows = mount_point.attr('data-rows')
top_level_component = mount_point.attr('data-top-level-component')
code = Element[mount_point].find('pre').text.strip
params = {code: code, top_level_component: top_level_component}
params = params.merge({heading: heading}) if heading
params = params.merge({rows: rows.to_i}) if rows
codemirror_component = Object.const_get('ToggleCodemirror')
React.render(React.create_element(codemirror_component, params ), mount_point)
end
end
</script>
<link href="../../../stylesheets/bootstrap.min.css" rel="stylesheet" />
<link href="../../../stylesheets/typography.css" rel="stylesheet" />
<link href="../../../stylesheets/override.css" rel="stylesheet" />
<link href="../../../stylesheets/divtable.css" rel="stylesheet" />
<!-- <link href="../../../stylesheets/code.css" rel="stylesheet" /> -->
<link href="../../../stylesheets/github.css" rel="stylesheet" />
<link href="../../../stylesheets/highlighting.css" rel="stylesheet" />
<link href="../../../stylesheets/codemirror.css" rel="stylesheet" />
<link href="../../../stylesheets/monokai-sublime.css" rel="stylesheet" />
<link rel="alternate" type="application/atom+xml" title="Atom Feed" href="/feed.xml" />
<!-- Favicons -->
<link rel="apple-touch-icon" sizes="180x180" href="../../../images/apple-touch-icon.png">
<link rel="icon" type="image/png" href="../../../images/favicon-32x32.png" sizes="32x32">
<link rel="icon" type="image/png" href="../../../images/favicon-16x16.png" sizes="16x16">
<link rel="manifest" href="/images/manifest.json">
<link rel="mask-icon" href="../../../images/safari-pinned-tab.svg" color="#e81176">
<meta name="theme-color" content="#ffffff">
</head>
<body>
<div class="navbarbackgroundcolor">
<div class="container">
<nav class="navbar navbar-ligh">
<button class="navbar-toggler hidden-sm-up" type="button" data-toggle="collapse" data-target="#exCollapsingNavbar2" aria-controls="exCollapsingNavbar2" aria-expanded="false" aria-label="Toggle navigation">
☰
</button>
<div class="collapse navbar-toggleable-xs" id="exCollapsingNavbar2">
<ul class="nav navbar-nav">
<li class="nav-item">
<a href="/" class="nav-link"><span class='navfirstletter'>H</span>yperloop</a>
</li>
<li class="nav-item">
<a href="/start/components" class="nav-link active"><span class='navfirstletter'>S</span>tart</a>
</li>
<li class="nav-item">
<a href="/installation" class="nav-link"><span class='navfirstletter'>I</span>nstallation</a>
</li>
<li class="nav-item">
<a href="/tutorials" class="nav-link"><span class='navfirstletter'>T</span>utorials</a>
</li>
<li class="nav-item">
<a href="/gems" class="nav-link"><span class='navfirstletter'>G</span>ems</a>
</li>
<li class="nav-item">
<a href="https://github.com/ruby-hyperloop" class="nav-link"><span class='navfirstletter'>G</span>ithub</a>
</li>
<li class="nav-item">
<a href="/tools" class="nav-link"><span class='navfirstletter'>T</span>ools</a>
</li>
<li class="nav-item">
<a href="/docs/architecture" class="nav-link"><span class='navfirstletter'>D</span>ocs</a>
</li>
<li class="nav-item">
<a href="/help" class="nav-link"><span class='navfirstletter'>H</span>elp</a>
</li>
<li class="nav-item">
<a href="/blog" class="nav-link"><span class='navfirstletter'>B</span>log</a>
</li>
<!-- <li class="nav-item">
<input type="text" name="search" />
</li> -->
</ul>
</div>
</nav>
</div>
</div>
<div class="jumbotron page-header">
<div class="container">
<div class="row hidden-sm-down">
<div class="col-md-2">
<div class="hyperlooplogo">
</div>
</div>
<div class="col-md-8">
<h1 class="display-4 project-name">Hyperloop</h1>
<h4 class="display-7 project-tagline">
Tutorials, screencasts & videos
</h4>
</div>
</div>
<div class="row hidden-md-up">
<div class="col-md-3">
<div class="hyperlooplogo">
</div>
</div>
<div class="col-md-9">
<h1 class="h1 project-name center-text">Hyperloop</h1>
</br>
<h2 class="h5 project-tagline center-text">
Tutorials, screencasts & videos
</h2>
</div>
</div>
</div>
</div>
<div class="page-header-underline">
<div class="container">
</div>
</div>
<div class="container">
<div class="row">
<div class="col-md-3 sidenavcol">
<ul class="nav">
<li class="nav-item"><strong><a href="/tutorials/hyperloopcomps">Hyperloop COMPS</a></strong></li>
<ul class="nav">
<li class="nav-item"><a href="/tutorials/hyperloopcomps/compstoreop-first">Simple COMPS App</a></li>
</ul>
<br>
<li class="nav-item"><strong><a href="/tutorials/hyperloopjs">Hyperloop.js</a></strong></li>
<ul class="nav">
<li class="nav-item"><a href="/tutorials/hyperloopjs/helloworld">Hello World</a></li>
<li class="nav-item"><a href="/tutorials/hyperloopjs/chatapp">Chat App</a></li>
</ul>
<br>
<li class="nav-item"><strong><a href="/tutorials/hyperlooprails">Hyperloop and Rails</a></strong></li>
<ul class="nav">
<li class="nav-item"><a href="/tutorials/hyperlooprails/helloworld">Hello World</a></li>
<li class="nav-item"><a href="/tutorials/hyperlooprails/todo-tutorial">Todo MVC</a></li>
<li class="nav-item"><a href="/tutorials/hyperlooprails/chatapp">Chat App</a></li>
<li class="nav-item"><a href="/tutorials/hyperlooprails/hyperloop-devise-tutorial">Devise</a></li>
<li class="nav-item"><a href="/tutorials/hyperlooprails/eventsplanner">Events planner</a></li>
<li class="nav-item"><a href="/tutorials/hyperlooprails/fivelettergame">Five letter word game</a></li>
<li class="nav-item"><a href="/tutorials/hyperlooprails/cloud9">Hyperloop and Cloud9</a></li>
<li class="nav-item"><a href="/tutorials/hyperlooprails/webpack">NPM and Webpack</a></li>
<li class="nav-item"><a href="/tutorials/hyperlooprails/hyperloop-rails-webpackergem-helloworld">Webpacker GEM</a></li>
<li class="nav-item"><a href="/tutorials/hyperlooprails/opalhotreloader">Opal Hot Reloader</a></li>
<li class="nav-item"><a href="/tutorials/hyperlooprails/productionmode">Production mode</a></li>
</ul>
<br>
<li class="nav-item"><strong><a href="/tutorials/hyperloopdeploy">Hyperloop deployment</a></strong></li>
<ul class="nav">
<li class="nav-item"><a href="/tutorials/hyperloopdeploy/deployvps">Deploying on VPS</a></li>
<li class="nav-item"><a href="/tutorials/hyperloopdeploy/deployheroku">Deploying on Heroku</a></li>
</ul>
<br>
<li class="nav-item"><strong><a href="/tutorials/opal">Opal</a></strong></li>
<br>
<li class="nav-item"><strong><a href="/tutorials/videos">Videos</a></strong></li>
</ul>
<div class="getstarted">
<br>
<hr>
<p>NEWS: RubyHyperloop is to be renamed Hyperstack. Come and see the work-in-progress site: </p>
<!-- <button type="button" class="btn btn-primary btn-lg btn-hyperlooppink" onclick="https://hyperstack.org';">https://hyperstack.org</button> -->
<a href='https://hyperstack.org'>https://hyperstack.org</a>
</div>
<br>
</div>
<div class="col-md-9 main-content">
<h2 id="first-simple-app-using-components-stores-and-operations-tutorial"><i class="flaticon-professor-teaching"></i><span class="bigfirstletter">F</span>irst simple app using Components, Stores <br>and Operations Tutorial</h2>
<p><img src="../../../images/tutorials/Hyperloop-Compsimple.gif" class="imgborder"></p>
<p>The code below implements few examples using Hyperloop <strong>Components</strong> which wrap React, <strong>Stores</strong> to hold state which is shared between <strong>Components</strong> and an <strong>Operation</strong> for mutating the <strong>Store</strong>'s state. Finally, a Clock which demonstrates local state and a callback which triggers every second.</p>
<p>To set up your <strong>Hyperloop</strong> environment and continue this tutorial, please first follow the <br><br>
<button type="button" class="btn btn-primary btn-lg btn-hyperlooppink" onclick="location.href='/installation';">Hyperloop installation tutorial</button></p>
<p>After <strong>Hyperloop</strong> has been installed properly we can go further.</p>
<pre class="highlight ruby"><code>
<span class="k">class</span> <span class="nc">TopLevelComponent</span> <span class="o"><</span> <span class="no">Hyperloop</span><span class="o">::</span><span class="no">Component</span>
<span class="n">render</span><span class="p">(</span><span class="no">DIV</span><span class="p">)</span> <span class="k">do</span>
<span class="no">DIV</span><span class="p">(</span><span class="ss">class: </span><span class="s1">'container'</span><span class="p">)</span> <span class="k">do</span>
<span class="no">H1</span> <span class="p">{</span> <span class="s2">"Components, Stores and Operations"</span> <span class="p">}</span>
<span class="no">P</span> <span class="p">{</span> <span class="s2">"A few examples using Hyperloop Components which wrap React, Stores to hold state which is shared between Components and an Operation for mutating the Store's state. Finally, a Clock which demonstrates local state and a callback which triggers every second."</span> <span class="p">}</span>
<span class="no">TypeAlong</span><span class="p">()</span>
<span class="no">Buttons</span><span class="p">()</span>
<span class="no">Clock</span><span class="p">()</span>
<span class="no">StylishTable</span><span class="p">()</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="k">class</span> <span class="nc">Buttons</span> <span class="o"><</span> <span class="no">Hyperloop</span><span class="o">::</span><span class="no">Component</span>
<span class="n">render</span><span class="p">(</span><span class="no">DIV</span><span class="p">)</span> <span class="k">do</span>
<span class="no">H2</span> <span class="p">{</span> <span class="s2">"Some buttons"</span> <span class="p">}</span>
<span class="no">BUTTON</span><span class="p">(</span><span class="ss">class: </span><span class="s1">'btn btn-primary'</span><span class="p">)</span> <span class="p">{</span> <span class="s1">'See the value'</span> <span class="p">}.</span><span class="nf">on</span><span class="p">(</span><span class="ss">:click</span><span class="p">)</span> <span class="p">{</span> <span class="n">alert</span> <span class="s2">"MyStore value is '</span><span class="si">#{</span> <span class="no">MyStore</span><span class="p">.</span><span class="nf">value</span> <span class="si">}</span><span class="s2">'"</span> <span class="p">}</span>
<span class="no">BUTTON</span><span class="p">(</span><span class="ss">class: </span><span class="s1">'btn btn-link'</span><span class="p">)</span> <span class="p">{</span> <span class="s1">'Clear'</span> <span class="p">}.</span><span class="nf">on</span><span class="p">(</span><span class="ss">:click</span><span class="p">)</span> <span class="p">{</span> <span class="no">ClearOp</span><span class="p">.</span><span class="nf">run</span> <span class="p">}</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="k">class</span> <span class="nc">TypeAlong</span> <span class="o"><</span> <span class="no">Hyperloop</span><span class="o">::</span><span class="no">Component</span>
<span class="n">render</span><span class="p">(</span><span class="no">DIV</span><span class="p">)</span> <span class="k">do</span>
<span class="no">H2</span> <span class="p">{</span> <span class="s2">"MyStore value is '</span><span class="si">#{</span> <span class="no">MyStore</span><span class="p">.</span><span class="nf">value</span> <span class="si">}</span><span class="s2">'"</span> <span class="p">}</span>
<span class="no">INPUT</span><span class="p">(</span><span class="ss">type: :text</span><span class="p">,</span> <span class="ss">value: </span><span class="no">MyStore</span><span class="p">.</span><span class="nf">value</span> <span class="p">).</span><span class="nf">on</span><span class="p">(</span><span class="ss">:change</span><span class="p">)</span> <span class="k">do</span> <span class="o">|</span><span class="n">e</span><span class="o">|</span>
<span class="no">MyStore</span><span class="p">.</span><span class="nf">set_value</span> <span class="n">e</span><span class="p">.</span><span class="nf">target</span><span class="p">.</span><span class="nf">value</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="k">class</span> <span class="nc">Clock</span> <span class="o"><</span> <span class="no">Hyperloop</span><span class="o">::</span><span class="no">Component</span>
<span class="n">param</span> <span class="ss">format: </span><span class="s1">'%a, %e %b %Y %H:%M:%S'</span>
<span class="n">before_mount</span> <span class="k">do</span>
<span class="n">mutate</span><span class="p">.</span><span class="nf">time</span> <span class="no">Time</span><span class="p">.</span><span class="nf">now</span><span class="p">.</span><span class="nf">strftime</span><span class="p">(</span><span class="n">params</span><span class="p">.</span><span class="nf">format</span><span class="p">)</span>
<span class="n">every</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span> <span class="n">mutate</span><span class="p">.</span><span class="nf">time</span> <span class="no">Time</span><span class="p">.</span><span class="nf">now</span><span class="p">.</span><span class="nf">strftime</span><span class="p">(</span><span class="n">params</span><span class="p">.</span><span class="nf">format</span><span class="p">)</span> <span class="p">}</span>
<span class="k">end</span>
<span class="n">render</span><span class="p">(</span><span class="no">DIV</span><span class="p">)</span> <span class="k">do</span>
<span class="no">H2</span> <span class="p">{</span> <span class="s2">"And a clock"</span> <span class="p">}</span>
<span class="s2">"The time is </span><span class="si">#{</span><span class="n">state</span><span class="p">.</span><span class="nf">time</span><span class="si">}</span><span class="s2">"</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="k">class</span> <span class="nc">MyStore</span> <span class="o"><</span> <span class="no">Hyperloop</span><span class="o">::</span><span class="no">Store</span>
<span class="n">state</span> <span class="ss">:value</span><span class="p">,</span> <span class="ss">reader: </span><span class="kp">true</span><span class="p">,</span> <span class="ss">scope: :class</span>
<span class="k">def</span> <span class="nc">self</span><span class="o">.</span><span class="nf">set_value</span> <span class="n">value</span>
<span class="n">mutate</span><span class="p">.</span><span class="nf">value</span> <span class="n">value</span>
<span class="k">end</span>
<span class="k">def</span> <span class="nc">self</span><span class="o">.</span><span class="nf">clear</span>
<span class="n">mutate</span><span class="p">.</span><span class="nf">value</span> <span class="s2">""</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="k">class</span> <span class="nc">ClearOp</span> <span class="o"><</span> <span class="no">Hyperloop</span><span class="o">::</span><span class="no">Operation</span>
<span class="n">step</span> <span class="p">{</span> <span class="nb">puts</span> <span class="s2">"about to clear everything"</span> <span class="p">}</span>
<span class="n">step</span> <span class="p">{</span> <span class="no">MyStore</span><span class="p">.</span><span class="nf">clear</span> <span class="p">}</span>
<span class="k">end</span>
<span class="k">class</span> <span class="nc">StylishTable</span> <span class="o"><</span> <span class="no">Hyperloop</span><span class="o">::</span><span class="no">Component</span>
<span class="n">render</span><span class="p">(</span><span class="no">DIV</span><span class="p">)</span> <span class="k">do</span>
<span class="no">H2</span> <span class="p">{</span> <span class="s2">"A stylish table"</span> <span class="p">}</span>
<span class="no">TABLE</span><span class="p">(</span><span class="ss">class: </span><span class="s1">'table table_bordered'</span><span class="p">)</span> <span class="k">do</span>
<span class="no">THEAD</span> <span class="k">do</span>
<span class="no">TR</span> <span class="k">do</span>
<span class="no">TH</span> <span class="p">{</span> <span class="s2">"First Name"</span> <span class="p">}</span>
<span class="no">TH</span> <span class="p">{</span> <span class="s2">"Last Name"</span> <span class="p">}</span>
<span class="no">TH</span> <span class="p">{</span> <span class="s2">"Username"</span> <span class="p">}</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="n">tbody</span> <span class="k">do</span>
<span class="no">TR</span> <span class="k">do</span>
<span class="no">TD</span> <span class="p">{</span> <span class="s2">"Mark"</span> <span class="p">}</span>
<span class="no">TD</span> <span class="p">{</span> <span class="s2">"Otto"</span> <span class="p">}</span>
<span class="no">TD</span><span class="p">(</span><span class="ss">class: </span><span class="s1">'text_success'</span><span class="p">)</span> <span class="p">{</span> <span class="no">MyStore</span><span class="p">.</span><span class="nf">value</span> <span class="p">}</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="k">end</span>
<span class="k">end</span>
</code></pre>
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