Tidy header for non-authenticated visitors

with the help of a login modal
This commit is contained in:
Joachim 2021-11-27 19:18:20 +01:00
parent ad6c860951
commit 4ed4278826
3 changed files with 141 additions and 20 deletions

View file

@ -25,10 +25,26 @@ body {
overflow-x: auto; overflow-x: auto;
} }
.modal-card:focus {
outline-style: auto;
}
.modal-card:focus:not(:focus-visible) {
outline-style: initial;
}
.modal-card:focus-visible {
outline-style: auto;
}
.modal-card.is-fullwidth { .modal-card.is-fullwidth {
min-width: 75% !important; min-width: 75% !important;
} }
@media only screen and (min-width: 769px) {
.modal-card.is-thin {
width: 350px !important;
}
}
.modal-card-body { .modal-card-body {
max-height: 70vh; max-height: 70vh;
} }

View file

@ -45,6 +45,12 @@ let BookWyrm = new class {
'change', 'change',
this.disableIfTooLarge.bind(this) this.disableIfTooLarge.bind(this)
)); ));
document.querySelectorAll('button[data-modal-open]')
.forEach(node => node.addEventListener(
'click',
this.handleModalButton.bind(this)
));
} }
/** /**
@ -368,4 +374,72 @@ let BookWyrm = new class {
); );
} }
} }
handleModalButton(element) {
const modalButton = element.currentTarget;
const targetModalId = modalButton.dataset.modalOpen;
const htmlElement = document.querySelector('html');
// Helper functions
function handleModalOpen(modalElement) {
htmlElement.classList.add('is-clipped');
modalElement.classList.add('is-active');
modalElement.getElementsByClassName('modal-card')[0].focus();
const closeButtons = modalElement.querySelectorAll("[data-modal-close]");
closeButtons.forEach((button) => {
button.addEventListener(
'click',
function() { handleModalClose(modalElement) },
);
});
document.addEventListener(
'keydown',
function(event) {
if (event.key === 'Escape') {
handleModalClose(modalElement);
}
},
);
modalElement.addEventListener('keydown', handleFocusTrap)
}
function handleModalClose(modalElement) {
modalElement.removeEventListener('keydown', handleFocusTrap)
htmlElement.classList.remove('is-clipped');
modalElement.classList.remove('is-active');
modalButton.focus();
}
function handleFocusTrap(event) {
const focusableEls = event.currentTarget.querySelectorAll('a[href]:not([disabled]), button:not([disabled]), textarea:not([disabled]), input[type="text"]:not([disabled]), input[type="radio"]:not([disabled]), input[type="checkbox"]:not([disabled]), select:not([disabled])');
const firstFocusableEl = focusableEls[0];
const lastFocusableEl = focusableEls[focusableEls.length - 1];
if (event.key !== 'Tab') {
return;
}
if (event.shiftKey ) /* shift + tab */ {
if (document.activeElement === firstFocusableEl) {
lastFocusableEl.focus();
event.preventDefault();
}
} else /* tab */ {
if (document.activeElement === lastFocusableEl) {
firstFocusableEl.focus();
event.preventDefault();
}
}
}
const modal = document.getElementById(targetModalId);
if (modal) {
// Open the modal
handleModalOpen(modal);
}
}
}(); }();

View file

@ -158,28 +158,14 @@
{% endwith %} {% endwith %}
</a> </a>
</div> </div>
{% else %} {% endif %}
{% if not request.user.is_authenticated %}
<div class="navbar-item"> <div class="navbar-item">
{% if request.path != '/login' and request.path != '/login/' %} {% if request.path != '/login' and request.path != '/login/' %}
<div class="columns"> <div class="columns">
<div class="column">
<form name="login" method="post" action="{% url 'login' %}?next={{ request.path }}">
{% csrf_token %}
<div class="columns is-variable is-1">
<div class="column">
<label class="is-sr-only" for="id_localname">{% trans "Username:" %}</label>
<input type="text" name="localname" maxlength="150" class="input" required="" id="id_localname" placeholder="{% trans 'username' %}">
</div>
<div class="column">
<label class="is-sr-only" for="id_password">{% trans "Password:" %}</label>
<input type="password" name="password" maxlength="128" class="input" required="" id="id_password" placeholder="{% trans 'password' %}">
<p class="help"><a href="{% url 'password-reset' %}">{% trans "Forgot your password?" %}</a></p>
</div>
<div class="column is-narrow"> <div class="column is-narrow">
<button class="button is-primary" type="submit">{% trans "Log in" %}</button> <button class="button is-primary" type="button" data-modal-open="login-modal" aria-haspopup="dialog">{% trans "Log in" %}</button>
</div>
</div>
</form>
</div> </div>
{% if site.allow_registration and request.path != '' and request.path != '/' %} {% if site.allow_registration and request.path != '' and request.path != '/' %}
<div class="column is-narrow"> <div class="column is-narrow">
@ -258,6 +244,51 @@
</div> </div>
</footer> </footer>
{# Login modal #}
{% if not request.user.is_authenticated %}
<div class="modal" id="login-modal">
<div class="modal-background" data-modal-close></div>
<div class="modal-card is-thin" role="dialog" aria-modal="true" aria-labelledby="login_header" tabindex="-1">
<header class="modal-card-head">
<h1 class="modal-card-title" id="login_header">
{% trans "Log in" %}
</h1>
<button type="button" class="delete" data-modal-close aria-label="{% trans 'Close' %}"></button>
</header>
<section class="modal-card-body">
<form name="login" method="post" action="{% url 'login' %}?next={{ request.path }}" class="form" id="login-form">
{% csrf_token %}
<div class="field">
<label class="label" for="id_localname">
{% trans "Username:" %}
</label>
<div class="control">
<input type="text" name="localname" maxlength="150" class="input" required="" id="id_localname" placeholder="{% trans 'username' %}">
</div>
</div>
<div class="field">
<label class="label" for="id_password">
{% trans "Password:" %}
</label>
<div class="control">
<input type="password" name="password" maxlength="128" class="input" required="" id="id_password" placeholder="{% trans 'password' %}">
</div>
<p class="help">
<a href="{% url 'password-reset' %}">{% trans "Forgot your password?" %}</a>
</p>
</div>
</form>
</section>
<footer class="modal-card-foot">
<button class="button is-primary" type="submit" form="login-form">
{% trans "Log in" %}
</button>
</footer>
</div>
<button type="button" data-modal-close class="modal-close is-large" aria-label="{% trans 'Close' %}"></a>
</div>
{% endif %}
<script> <script>
var csrf_token = '{{ csrf_token }}'; var csrf_token = '{{ csrf_token }}';
</script> </script>