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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Tajemnice Twiga - Maciek Palmowski</title>
<meta name="author" content="Hakim El Hattab">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link href="https://fonts.googleapis.com/css?family=Rubik:300,400,500,700&subset=latin-ext" rel="stylesheet">
<link rel="stylesheet" href="css/reveal.css">
<link rel="stylesheet" href="css/theme/white.css" id="theme">
<!-- Theme used for syntax highlighting of code -->
<link rel="stylesheet" href="lib/css/zenburn.css">
<!-- Printing and PDF exports -->
<script>
var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css';
document.getElementsByTagName( 'head' )[0].appendChild( link );
</script>
<!--[if lt IE 9]>
<script src="lib/js/html5shiv.js"></script>
<![endif]-->
</head>
<body>
<div class="logo-sa">
<a href="https://osomstudio.com" target="_blank">Osom Studio</a>
</div>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<section data-background-transition="zoom" class="text-center" data-background="#f442ad">
<div class="text">
<img src="img/camp-logo-3.png" class="width100" alt="">
</div>
</section>
<section>
<div class="inner">
<div class="inner-left-50">
<h1 class="title header-color">Tajemnice Twiga</h1>
<div class="text">
<p><small>Maciek Palmowski</small></p>
</div>
</div>
<div class="inner-right-50">
<div class="photobg-inner">
<div class="photobg colorfull contain" style="background-image: url('img/osomcamp-3-twig.png')">
</div>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Co omówimy</h2>
<div class="text">
<p>
<ul>
<li>default</li>
<li>pętlę for</li>
<li>parent</li>
<li>include</li>
<li>macro</li>
<li>embed</li>
<li>variable functions</li>
</ul>
</p>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Default</h2>
<div class="text">
<pre lang="twig"><code>{% if test != '' %}
{{ test }}
{% else %}
Default value
{% endif %}
</code></pre>
<p> A można prościej</p>
<pre class="fragment" lang="twig"><code>{{ test|default('Default value') }}</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">For - co wiemy</h2>
<div class="text">
<pre lang="twig"><code>{% for user in users %}
{{ user.username }}
{% endfor %}</code></pre>
<p><strong>Filtrowanie</strong></p>
<pre lang="twig"><code>{% for user in users|slice(0, 10) %}
{{ user.username }}
{% endfor %}</code></pre>
<pre lang="twig"><code>{% for user in users if user.active %}
{{ user.username }}
{% endfor %}</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">For - loop</h2>
<div class="text">
<p><strong>Jak sprawdzić w którym miejscu pętli jesteśmy?</strong></p>
<pre class="fragment" lang="twig"><code>{% for user in users %}
{{ loop.index0 }} - {{ user.username }}
{% endfor %}</code></pre>
<p class="fragment"><strong>Jak sprawdzić czy to już koniec?</strong></p>
<pre class="fragment" lang="twig"><code>{% for user in users %}
{% if loop.last %}
To koniec
{% endif %}
{% endfor %}</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">For - loop</h2>
<div class="text">
<p><strong>Jak sprawdzić czy users naprawdę istnieją?</strong></p>
<pre class="fragment" lang="twig"><code>{% for user in users %}
{{ loop.index0 }} - {{ user.username }}
{% else %}
No users :(
{% endfor %}</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Parent</h2>
<div class="text">
<p><strong>Jak sprawdzić żeby dopisać coś do domyślej wartości bloku?</strong></p>
<pre lang="twig"><code>{% block left %}
<img src="logo.jpg" />
{% endblock %}</code></pre>
<pre class="fragment" lang="twig"><code>{% block left %}
To jest strona główna
{{ parent() }}
{% endblock %}</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Include - co wiemy</h2>
<div class="text">
<p><strong>Jak zaincludować plik?</strong></p>
<pre lang="twig"><code>{% include 'parts/pagincja.twig' %}</code></pre>
<p class="fragment"><strong>Jak zaincludować plik z parametrami?</strong></p>
<pre class="fragment" lang="twig"><code>{% include('parts/pagincja.twig', { a: 'test' }) %}</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Include</h2>
<div class="text">
<p><strong>Jak zaincludować bez zmiennych z zewnątrz?</strong></p>
<pre class="fragment" lang="twig"><code>{% include('parts/pagincja.twig', { a: 'test' }, with_context = false) %}</code></pre>
<p class="fragment"><strong>Jak zaincludować jeden spośród kliku plików?</strong></p>
<pre class="fragment" lang="twig"><code>{% include(['parts/pagincja-new.twig', 'parts/pagincja.twig']) %}</code></pre>
<p class="fragment"><strong>Jak nie pokazać błędu kiedy plik nie istnieje?</strong></p>
<pre class="fragment" lang="twig"><code>{% include(['parts/pagincja-new.twig', 'parts/pagincja.twig'], ignore_missing = false) %}</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Macro</h2>
<div class="text">
<p><strong>Macro to takie templatkowe funkcje</strong></p>
<pre lang="twig"><code>{% macro testowe(id, value) %}
<div id="{{ id }}">{{ value }}</div>
{% endmacro %}
</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Macro</h2>
<div class="text">
<p><strong>Najpierw tworzymy plik z macrami np. form.twig</strong></p>
<pre lang="twig"><code>{% macro input( name, value, label, placeholder, class ) %}
<label for="{{ name }}">
<span>{{ label }}:</span>
<input id="{{ name }}" placeholder="{{ placeholder }}"
class="{{ class }}" name="{{ name }}" value="{{ value|e }}" />
</label>
{% endmacro %}
</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Macro</h2>
<div class="text">
<pre lang="twig"><code>{% macro submit( value, class ) %}
<div class="row">
<div class="small-12 columns text-center medium-text-left">
<input type="submit" value="{{ value }}" class="{{ class }}" />
</div>
</div>
{% endmacro %}
</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Macro</h2>
<div class="text">
<pre lang="twig"><code>{% macro select( name, value, label, options, class) %}
<label for="{{ name }}">
<span>{{ label }}:</span>
<select id="{{ name }}" name="{{ name }}" class="{{ class }}" required>
{% if options %}
<option value="">Select option</option>
{% for option in options %}
<option value="{{ option.value }}">{{ option.label }}</option>
{% endfor %}
{% endif %}
</select>
</label>
{% endmacro %}
</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Macro</h2>
<div class="text">
<pre lang="twig"><code>{% import 'parts/form.twig as form' %}
<form>
{{ form.select( 'industry', user.get_field( 'industry' ), 'Industry', industry, '' ) }}
{{ form.input( 'user_email', user.user_email, 'Email', '', '' ) }}
{{ form.submit( 'Update', 'pink' ) }}
</form>
</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Embed</h2>
<div class="text">
<p>Czasem byśmy chcieli użyć wielokrotengo extend - niestety nie można.</p>
<pre lang="twig"><code>{% extends "base.twig" %}
{% block content %}
<div class="wrapper">
{% embed "two-columns.twig" %}
{% block left_columns %}
Some content for the left column
{% endblock %}
{% block right_column %}
Some content for the right box
{% endblock %}
{% endembed %}
</div>
{% endblock %}
</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Embed</h2>
<div class="text">
<p>two-columns.twig</p>
<pre lang="twig"><code><div class="left column">
{% block left_columns %}
Default text
{% endblock %}
</div>
<div class="right column">
{% block right_column %}
Default text
{% endblock %}
</div></code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Embed</h2>
<div class="text">
<p>Ostatecznie otrzymujemy:</p>
<pre lang="twig"><code><div class="wrapper">
<div class="left column">
Some content for the left column
</div>
<div class="right column">
Some content for the right column
</div>
</div>
</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Variable functions</h2>
<div class="text">
<pre lang="php"><code>$twig->addFunction(
new Twig_SimpleFunction( 'html_strong', function() { ... } )
);
$twig->addFunction(
new Twig_SimpleFunction( 'html_em', function() { ... } )
);
</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Variable functions</h2>
<div class="text">
<pre lang="php"><code>add_filter('timber/twig', 'add_to_twig');
function add_to_twig($twig) {
$twig->addFunction(new Twig_SimpleFunction('html_*', 'html'));
return $twig;
}
function html( $property, $value ) {
return '<'.$property.'>'. $value .'</'.$property.'>';
}
</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full">
<h2 class="title header-color">Variable functions</h2>
<div class="text">
<pre lang="php"><code>{{ html_strong( 'strong text' ) }}
{{ html_em( 'em text' ) }}
</code></pre>
</div>
</div>
</div>
</section>
<section>
<div class="inner">
<div class="inner-full text-center">
<h2 class="">Pytania?</h2>
</div>
</div>
</section>
</div>
</div>
<script src="lib/js/head.min.js"></script>
<script src="js/reveal.js"></script>
<script>
// More info https://github.com/hakimel/reveal.js#configuration
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