See "img upload" in sidebar snet/molecules for variants, or go to info panel and look for it in "references" (@snet-img-upload)
Refer to modal frame found in view tab for complete structure without content.
A modal's default size is 640px
Modifier classes for modals
A modal with a content loading component behaves as follows:
<div class="sds-modal modal fade -bodySecondary06" id="suiviTransactionsModalFilters-1" aria-labelledby="suiviTransactionsModalFilters-1Title" aria-modal="true" role="dialog" tabindex="-1">
<div class="sds-modal__dialog modal-dialog modal-dialog-centered modal-dialog-scrollable modal-lg">
<div class="sds-modal__content modal-content">
<div class="sds-modal__header modal-header">
<div class="sds-modal__title modal-title" id="suiviTransactionsModalFilters-1Title">Filters</div>
<button type="button" class="sds-btn -iconBtn -btnSecondary -ghost sds-modal__close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true" class="sds-icon sds-icon-close"></span>
</button>
</div>
<div class="sds-modal__body modal-body">
<div class="sds-stackLg">
<div class="sds-search -clearActive">
<div class="sds-search__inner form-control">
<span class="sds-search__searchIcon sds-icon sds-icon-search" aria-hidden="true"></span>
<input id="search" type="text" title="Search" placeholder="{Placeholder}" value="{Search Query}" class="sds-search__input form-control" />
<div class="sds-search__actions">
<div class="sds-search__clear">
<button type="button" class="sds-btn -iconBtn -btnSecondary -ghost">
<span aria-hidden="true" class="sds-icon sds-icon-cross"></span>
<div class="sr-only">Reset search</div>
</button>
</div>
</div>
</div>
</div>
<div class="sds-box -insetLg">
<div class="sds-stackMd">
<div class="h4">Comptes</div>
<div class="row row-sm no-bottom-gutter">
<div class="col-6">
<div class="form-group">
<label for="" class="sds-label -labelForm">
Compte donneur d'ordre
</label>
<div class="sds-input dropdown -autocomplete ">
<input class="sds-input form-control -hasIcon -hasIconRight" type="text" placeholder="Sélectionnez un compte" value="">
<button type="button" class="sds-btn -iconBtn -btnSecondary -btnInverse sds-input__autocompleteToggle sds-input__iconRight" data-toggle="dropdown" data-display="static" data-offset="0,16" data-reference="parent" data-boundary="window" aria-expanded="false">
<span aria-hidden="true" class="sds-icon sds-icon-chevrondown"></span>
</button>
<div class="sds-input__autocomplete">
<form class="sds-input__autocompleteInner dropdown-menu sds-box -insetLg sds-stackMd dropdown-scroll-height-md" action="">
<fieldset class="sds-stackMd">
<legend class="h3">Comptes de la société</legend>
<div class="sds-stackSm">
<h4 class="h4">Comptes et cartes</h4>
<ul class="sds-accountSelector__dropdownSection sds-stackSm list-unstyled">
<li>
<div class="sds-listItemAccountCard sds-showCustomIndicatorHover">
<label class="sds-listItemAccountCard__inner">
<input value="radio-value" type="radio" name="radio-name" class="sr-only sds-listItemAccountCard__input" id="" checked><span class="sds-radioDot sds-listItemAccountCard__checkItem" aria-hidden="true"></span>
<div class="sds-avatar centeredBgi -avatarSm">
<img class="img-fluid" src="../../media/snet/avatars/avatarUser.png" alt="">
</div>
<span class="sds-listItemAccountCard__content sds-stackXs">
<div>
Jil Schmit
</div>
<span class="sds-textHelper sds-listItemAccountCard__meta">
compte courant
</span>
</span>
<div class="sds-amount -amountPositive -amountLg">
<div class="sds-amount__body">
<span class="sds-amount__value">{+#.###,##}</span>
<span class="sds-amount__currency">€</span>
</div>
</div>
</label>
</div>
</li>
<li>
<div class="sds-listItemAccountCard sds-showCustomIndicatorHover">
<label class="sds-listItemAccountCard__inner">
<input value="radio-value" type="radio" name="radio-name" class="sr-only sds-listItemAccountCard__input" id=""><span class="sds-radioDot sds-listItemAccountCard__checkItem" aria-hidden="true"></span>
<div class="sds-avatar centeredBgi -avatarSm">
<img class="img-fluid" src="../../media/snet/avatars/avatarUser.png" alt="">
</div>
<span class="sds-listItemAccountCard__content sds-stackXs">
<div>
Jil Schmit
</div>
<span class="sds-textHelper sds-listItemAccountCard__meta">
compte courant
</span>
</span>
<div class="sds-amount -amountPositive -amountLg">
<div class="sds-amount__body">
<span class="sds-amount__value">{+#.###,##}</span>
<span class="sds-amount__currency">€</span>
</div>
</div>
</label>
</div>
</li>
<li>
<div class="sds-listItemAccountCard sds-showCustomIndicatorHover">
<label class="sds-listItemAccountCard__inner">
<input value="radio-value" type="radio" name="radio-name" class="sr-only sds-listItemAccountCard__input" id=""><span class="sds-radioDot sds-listItemAccountCard__checkItem" aria-hidden="true"></span>
<div class="sds-avatar centeredBgi -avatarSm">
<img class="img-fluid" src="../../media/snet/avatars/avatarUser.png" alt="">
</div>
<span class="sds-listItemAccountCard__content sds-stackXs">
<div>
Jil Schmit
</div>
<span class="sds-textHelper sds-listItemAccountCard__meta">
compte courant
</span>
</span>
<span class="sds-badge badge -badgePrimary -badgeTonal">
non visible
</span>
</label>
</div>
</li>
<li>
<div class="sds-listItemAccountCard sds-showCustomIndicatorHover">
<label class="sds-listItemAccountCard__inner">
<input value="radio-value" type="radio" name="radio-name" class="sr-only sds-listItemAccountCard__input" id=""><span class="sds-radioDot sds-listItemAccountCard__checkItem" aria-hidden="true"></span>
<div class="sds-avatar centeredBgi -avatarSm">
<img class="img-fluid" src="../../media/snet/avatars/avatarUser.png" alt="">
</div>
<span class="sds-listItemAccountCard__content sds-stackXs">
<div>
Jil Schmit
</div>
<span class="sds-textHelper sds-listItemAccountCard__meta">
compte courant
</span>
</span>
<span class="sds-badge badge -badgePrimary -badgeTonal">
non visible
</span>
</label>
</div>
</li>
</ul>
</div>
<div class="sds-stackSm">
<h4 class="h4">Epargne</h4>
<ul class="sds-accountSelector__dropdownSection sds-stackSm list-unstyled">
<li>
<div class="sds-listItemAccountCard sds-showCustomIndicatorHover">
<label class="sds-listItemAccountCard__inner">
<input value="radio-value" type="radio" name="radio-name" class="sr-only sds-listItemAccountCard__input" id=""><span class="sds-radioDot sds-listItemAccountCard__checkItem" aria-hidden="true"></span>
<div class="sds-avatar centeredBgi -avatarSm">
<img class="img-fluid" src="../../media/snet/avatars/avatarUser.png" alt="">
</div>
<span class="sds-listItemAccountCard__content sds-stackXs">
<div>
Jil Schmit
</div>
<span class="sds-textHelper sds-listItemAccountCard__meta">
compte courant
</span>
</span>
<div class="sds-amount -amountPositive -amountLg">
<div class="sds-amount__body">
<span class="sds-amount__value">{+#.###,##}</span>
<span class="sds-amount__currency">€</span>
</div>
</div>
</label>
</div>
</li>
</ul>
</div>
</fieldset>
</form>
</div>
</div>
</div>
</div>
<div class="col-6">
<div class="form-group">
<label for="" class="sds-label -labelForm">
Compte bénéficiaire
</label>
<div class="sds-input dropdown -autocomplete ">
<input class="sds-input form-control -hasIcon -hasIconRight" type="text" placeholder="Sélectionnez un compte" value="">
<button type="button" class="sds-btn -iconBtn -btnSecondary -btnInverse sds-input__autocompleteToggle sds-input__iconRight" data-toggle="dropdown" data-display="static" data-offset="0,16" data-reference="parent" data-boundary="window" aria-expanded="false">
<span aria-hidden="true" class="sds-icon sds-icon-chevrondown"></span>
</button>
<div class="sds-input__autocomplete">
<form class="sds-input__autocompleteInner dropdown-menu sds-box -insetLg sds-stackMd dropdown-scroll-height-md" action="">
<fieldset class="sds-stackMd">
<legend class="h3">Comptes de la société</legend>
<div class="sds-stackSm">
<h4 class="h4">Comptes et cartes</h4>
<ul class="sds-accountSelector__dropdownSection sds-stackSm list-unstyled">
<li>
<div class="sds-listItemAccountCard sds-showCustomIndicatorHover">
<label class="sds-listItemAccountCard__inner">
<input value="radio-value" type="radio" name="radio-name" class="sr-only sds-listItemAccountCard__input" id="" checked><span class="sds-radioDot sds-listItemAccountCard__checkItem" aria-hidden="true"></span>
<div class="sds-avatar centeredBgi -avatarSm">
<img class="img-fluid" src="../../media/snet/avatars/avatarUser.png" alt="">
</div>
<span class="sds-listItemAccountCard__content sds-stackXs">
<div>
Jil Schmit
</div>
<span class="sds-textHelper sds-listItemAccountCard__meta">
compte courant
</span>
</span>
<div class="sds-amount -amountPositive -amountLg">
<div class="sds-amount__body">
<span class="sds-amount__value">{+#.###,##}</span>
<span class="sds-amount__currency">€</span>
</div>
</div>
</label>
</div>
</li>
<li>
<div class="sds-listItemAccountCard sds-showCustomIndicatorHover">
<label class="sds-listItemAccountCard__inner">
<input value="radio-value" type="radio" name="radio-name" class="sr-only sds-listItemAccountCard__input" id=""><span class="sds-radioDot sds-listItemAccountCard__checkItem" aria-hidden="true"></span>
<div class="sds-avatar centeredBgi -avatarSm">
<img class="img-fluid" src="../../media/snet/avatars/avatarUser.png" alt="">
</div>
<span class="sds-listItemAccountCard__content sds-stackXs">
<div>
Jil Schmit
</div>
<span class="sds-textHelper sds-listItemAccountCard__meta">
compte courant
</span>
</span>
<div class="sds-amount -amountPositive -amountLg">
<div class="sds-amount__body">
<span class="sds-amount__value">{+#.###,##}</span>
<span class="sds-amount__currency">€</span>
</div>
</div>
</label>
</div>
</li>
<li>
<div class="sds-listItemAccountCard sds-showCustomIndicatorHover">
<label class="sds-listItemAccountCard__inner">
<input value="radio-value" type="radio" name="radio-name" class="sr-only sds-listItemAccountCard__input" id=""><span class="sds-radioDot sds-listItemAccountCard__checkItem" aria-hidden="true"></span>
<div class="sds-avatar centeredBgi -avatarSm">
<img class="img-fluid" src="../../media/snet/avatars/avatarUser.png" alt="">
</div>
<span class="sds-listItemAccountCard__content sds-stackXs">
<div>
Jil Schmit
</div>
<span class="sds-textHelper sds-listItemAccountCard__meta">
compte courant
</span>
</span>
<span class="sds-badge badge -badgePrimary -badgeTonal">
non visible
</span>
</label>
</div>
</li>
<li>
<div class="sds-listItemAccountCard sds-showCustomIndicatorHover">
<label class="sds-listItemAccountCard__inner">
<input value="radio-value" type="radio" name="radio-name" class="sr-only sds-listItemAccountCard__input" id=""><span class="sds-radioDot sds-listItemAccountCard__checkItem" aria-hidden="true"></span>
<div class="sds-avatar centeredBgi -avatarSm">
<img class="img-fluid" src="../../media/snet/avatars/avatarUser.png" alt="">
</div>
<span class="sds-listItemAccountCard__content sds-stackXs">
<div>
Jil Schmit
</div>
<span class="sds-textHelper sds-listItemAccountCard__meta">
compte courant
</span>
</span>
<span class="sds-badge badge -badgePrimary -badgeTonal">
non visible
</span>
</label>
</div>
</li>
</ul>
</div>
<div class="sds-stackSm">
<h4 class="h4">Epargne</h4>
<ul class="sds-accountSelector__dropdownSection sds-stackSm list-unstyled">
<li>
<div class="sds-listItemAccountCard sds-showCustomIndicatorHover">
<label class="sds-listItemAccountCard__inner">
<input value="radio-value" type="radio" name="radio-name" class="sr-only sds-listItemAccountCard__input" id=""><span class="sds-radioDot sds-listItemAccountCard__checkItem" aria-hidden="true"></span>
<div class="sds-avatar centeredBgi -avatarSm">
<img class="img-fluid" src="../../media/snet/avatars/avatarUser.png" alt="">
</div>
<span class="sds-listItemAccountCard__content sds-stackXs">
<div>
Jil Schmit
</div>
<span class="sds-textHelper sds-listItemAccountCard__meta">
compte courant
</span>
</span>
<div class="sds-amount -amountPositive -amountLg">
<div class="sds-amount__body">
<span class="sds-amount__value">{+#.###,##}</span>
<span class="sds-amount__currency">€</span>
</div>
</div>
</label>
</div>
</li>
</ul>
</div>
</fieldset>
</form>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="sds-box -insetLg">
<div class="sds-stackMd">
<div class="h4">Transactions</div>
<div class="row row-sm">
<div class="col-6">
<div class="form-group">
<label for="" class="sds-label -labelForm">
Montant min
</label>
<div class="sds-input -hasShadow">
<input id="" class="sds-input form-control" type="number" placeholder="0" value="4000">
<div class="sds-input__shadowInput form-control" aria-hidden="true">
<div class="sds-input__shadowValue">
4000
</div>
<div class="sds-input__shadowCurrency">
€
</div>
</div>
</div>
</div>
</div>
<div class="col-6">
<div class="form-group">
<label for="" class="sds-label -labelForm">
Montant max
</label>
<div class="sds-input -hasShadow">
<input id="" class="sds-input form-control" type="number" placeholder="Choisir un ou plusieurs statuts" value="4000">
<div class="sds-input__shadowInput form-control" aria-hidden="true">
<div class="sds-input__shadowValue">
4000
</div>
<div class="sds-input__shadowCurrency">
€
</div>
</div>
</div>
</div>
</div>
<div class="col-12">
<fieldset class="sds-stackLg">
<legend>
<div class="sds-label -labelForm">
Type
</div>
</legend>
<ul class="list-unstyled">
<li class="form-group">
<div class="sds-radio custom-control custom-radio">
<input value="radio-value" type="radio" name="radio-type" class="sr-only custom-control-input " id="radio-debit"><span class="sds-radioDot sds-radio__shape" aria-hidden="true"></span>
<label class="custom-control-label" for="radio-debit">
Au débit du compte
</label>
</div>
</li>
<li class="form-group">
<div class="sds-radio custom-control custom-radio">
<input value="radio-value" type="radio" name="radio-type" class="sr-only custom-control-input " id="radio-credit"><span class="sds-radioDot sds-radio__shape" aria-hidden="true"></span>
<label class="custom-control-label" for="radio-credit">
Au crédit du compte
</label>
</div>
</li>
</ul>
</fieldset>
</div>
<div class="col-6">
<div class="form-group">
<label for="" class="sds-label -labelForm">
Référence S-Net
</label>
<div class="sds-input">
<input id="" class="sds-input form-control" type="text" placeholder="Entrez une communication" value="">
</div>
</div>
</div>
<div class="col-6">
<div class="form-group">
<label for="" class="sds-label -labelForm">
Communication
</label>
<div class="sds-textarea">
<div class="sds-textarea__inner">
<textarea class="form-control" id="" rows="1" placeholder="Choisir un ou plusieurs encodeurs"></textarea>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="sds-box -insetLg">
<div class="sds-stackMd">
<div class="h4">Période</div>
<div class="row">
<div class="col-6">
<div class="form-group">
<label for="" class="sds-label -labelForm">
Date de début
</label>
<div class="sds-input -hasIcon -calendar">
<input class="sds-input form-control" type="text" placeholder="11/04/2023" value="">
<div class="sds-input__iconRight">
<span class="sds-icon sds-icon-calendar"></span>
</div>
</div>
</div>
</div>
<div class="col-6">
<div class="form-group">
<label for="" class="sds-label -labelForm">
Date de fin
</label>
<div class="sds-input -hasIcon -calendar">
<input class="sds-input form-control" type="text" placeholder="11/04/2023" value="">
<div class="sds-input__iconRight">
<span class="sds-icon sds-icon-calendar"></span>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="sds-modal__footer modal-footer">
<div class="d-flex justify-content-between w-100">
<button type="button" class="sds-btn -btnSecondary">
<span class="sds-btn__text">
Réinitialiser
</span>
</button>
<ul class="sds-btnGroup">
<li>
<button type="button" class="sds-btn -btnSecondary -btnInverse" data-dismiss="modal">
<span class="sds-btn__text">
Annuler
</span>
</button>
</li>
<li>
<button type="button" class="sds-btn -btnPrimary" disabled>
<span class="sds-btn__text">
Appliquer
</span>
</button>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
{% extends "@snet-modal-base-frame" %}
{% block header %}
<div class="{{ namespace }}modal__title modal-title" id="{{ modalTitleID }}">{{ title }}</div>
{% endblock %}
{% block body %}
<div class="{{ namespace }}stackLg">
{% render "@search--search-query",{
advancedActions: false,
value: filterModalQuery
},true %}
<div class="{{ namespace }}box -insetLg">
<div class="{{ namespace }}stackMd">
<div class="h4">Comptes</div>
<div class="row row-sm no-bottom-gutter">
<div class="col-6">
<div class="form-group">
{% render "@label--form",{text: "Compte donneur d'ordre"},true %}
{% render "@input--autocomplete-dropdown" %}
</div>
</div>
<div class="col-6">
<div class="form-group">
{% render "@label--form",{text: "Compte bénéficiaire"},true %}
{% render "@input--autocomplete-dropdown" %}
</div>
</div>
</div>
</div>
</div>
<div class="{{ namespace }}box -insetLg">
<div class="{{ namespace }}stackMd">
<div class="h4">Transactions</div>
<div class="row row-sm">
<div class="col-6">
<div class="form-group">
{% render "@label--form",{text: "Montant min"},true %}
{% render "@input--shadow" %}
</div>
</div>
<div class="col-6">
<div class="form-group">
{% render "@label--form",{text: "Montant max"},true %}
{% render "@input--shadow",{placeholder: "Choisir un ou plusieurs statuts"},true %}
</div>
</div>
<div class="col-12">
<fieldset class="{{ namespace }}stackLg">
<legend>
{% render "@label--form",{
eltType: "div",
text: "Type"
},true %}
</legend>
<ul class="list-unstyled">
<li class="form-group">
{% render '@radio',{
text: "Au débit du compte",
id: "radio-debit",
inputName: "radio-type"
}, true %}
</li>
<li class="form-group">
{% render '@radio',{
text: "Au crédit du compte",
id: "radio-credit",
inputName: "radio-type"
}, true %}
</li>
</ul>
</fieldset>
</div>
<div class="col-6">
<div class="form-group">
{% render "@label--form",{text: "Référence S-Net"},true %}
{% render "@input",{value: ""},true %}
</div>
</div>
<div class="col-6">
<div class="form-group">
{% render "@label--form",{text: "Communication"},true %}
{% render "@input-textarea",{
hint: false,
placeholder: "Choisir un ou plusieurs encodeurs"
},true %}
</div>
</div>
</div>
</div>
</div>
<div class="{{ namespace }}box -insetLg">
<div class="{{ namespace }}stackMd">
<div class="h4">Période</div>
<div class="row">
<div class="col-6">
<div class="form-group">
{% render "@label--form",{text: "Date de début"},true %}
{% render "@input--calendar" %}
</div>
</div>
<div class="col-6">
<div class="form-group">
{% render "@label--form",{text: "Date de fin"},true %}
{% render "@input--calendar" %}
</div>
</div>
</div>
</div>
</div>
</div>
{% endblock %}
{% block footer %}
<div class="d-flex justify-content-between w-100">
{% render "@btn-secondary",{text: "Réinitialiser"},true %}
<ul class="{{ namespace }}btnGroup">
<li>
{% render "@btn-secondary-inverse", {
text: "Annuler",
attrs: {
"data-dismiss": "modal"
}
} ,true %}
</li>
<li>
{% render "@btn-primary--disabled",{
text: "Appliquer"
},true %}
</li>
</ul>
</div>
{% endblock %}
export default class ModalTrap {
constructor() {
// select all modals with the dialog role and modal classe.
// this ensures that only modals with the right attributes are selected
this.modals = document.querySelectorAll("[role='dialog'].modal");
// select all modal trigger buttons that don't have a data-dismiss attribute
// buttons with data-dismiss and data-toggle are typically only used within modals to trigger another modal
// we want to exclude these from the selection
this.modalToggles = document.querySelectorAll("[data-toggle='modal']:not([data-dismiss='modal'])");
// list of focusable elements inside a modal
this.focusableElements = [
"a[href]",
"button:not([disabled])",
"textarea:not([disabled])",
"input:not([disabled])",
"select:not([disabled])",
"[tabindex]:not([tabindex='-1'])"
];
// this will ensure that any modal with the dialog-scrollable modifier gets the intended behaviour
// all other modals will get ignored
this.modalScrollBody = ".modal-dialog-scrollable .modal-body"
// modal trigger element with same data-target value as id of triggered modal
this.modalTriggerElement = null;
// Used to store keydown handlers per modal
this.focusHandlers = new WeakMap();
this.init();
}
init() {
// loop over all modal trigger buttons
this.modalToggles.forEach(btn => {
// if data target value is erroneous or doesn't match any modal ID, return false
const targetSelector = btn.getAttribute('data-target');
if ((targetSelector === "#") || (!targetSelector)) return;
// on modal trigger interaction, set the modal trigger element's value to that of its DOM representation
// and store it
btn.addEventListener('click', (e) => {
e.preventDefault();
this.modalTriggerElement = e.target;
});
});
// loop over all modals
this.modals.forEach(modal => {
const closeBtn = modal.querySelector('.sds-modal__close');
// when a modal shown event is fired:
$(modal).on('shown.bs.modal', (e) => {
// check if a close button exists and focus it if so
if (closeBtn) {
closeBtn.focus();
}
else {
// if no close is present focus first focusable element instead
let focusableElements = this.getFocusableElements(modal);
let first = focusableElements[0];
first.focus()
}
// check for a scrollable body element inside the modal
// set focus trap inside modal while open
this.checkScrollabilityAndSetFocusTrap(modal);
/*
* if the modal gets shown through the bootstrap method instead of
* through a trigger element interaction, store the value of the trigger element
* so it can be focused when closing the modal
*
* this will ensure that no matter how the modal is shown,
* there's always an element to put the focus back on when closed
*
* closing a modal after navigating from modal to modal will also put the focus back on
* the initial modal trigger element or corresponding modal's trigger element, if applicable
* for this purpose, modal trigger elements inside modals that have the data-dismiss="modal" attribute are ignored
*/
let lastFocusedElement = document.querySelector("[data-toggle='modal']:not([data-dismiss='modal'])[data-target='#"+ e.target.getAttribute("id") +"']");
if (lastFocusedElement) {
this.modalTriggerElement = lastFocusedElement;
}
});
$(modal).on('hidden.bs.modal', (e) => {
// if it exists focus the modal's trigger element upon closing the modal
if (this.modalTriggerElement) {
this.modalTriggerElement.focus();
}
});
});
}
checkScrollabilityAndSetFocusTrap(modal) {
const modalBodySelector = this.modalScrollBody;
// check if the modal scrollable modifier is applied to the current modal
// if not, the last element to receive focus will be the modal itself
const modalBody = modal.querySelector(modalBodySelector) ? modal.querySelector(modalBodySelector) : modal;
// add or remove tabindex depending on whether the modal body area is scrollable
function setScrollability () {
const isScrollable = modalBody.scrollHeight > modalBody.clientHeight;
if (isScrollable) {
// Ensure it's focusable
if (!modalBody.hasAttribute('tabindex')) {
modalBody.setAttribute('tabindex', '0');
}
} else {
if (modalBody.hasAttribute('tabindex')) {
modalBody.removeAttribute('tabindex');
}
}
}
// check if modal body is scriollable or not on page load
setScrollability();
// Initial trap
this.trapFocus(modal);
// Observe scrollability changes
const observer = new ResizeObserver(() => {
// check if modal body becomes scrollable on resize
setScrollability();
this.trapFocus(modal);
});
// Required to detect resizing/scrollability
observer.observe(modalBody);
}
// trap the kesyboard focus navigfation inside the modal while it is shown
trapFocus(modal) {
const focusable = this.getFocusableElements(modal);
// abort if no focusable elements are found inside modal
if (!focusable.length) return;
// define first and last focusable elements inside modal
const first = focusable[0];
const last = focusable[focusable.length - 1];
// Remove old handler if exists
if (this.focusHandlers.has(modal)) {
modal.removeEventListener('keydown', this.focusHandlers.get(modal));
}
// move focus from first to last and vice-versa when using tab or shift+tab
const handleKeydown = (e) => {
if (e.key !== 'Tab') return;
if (e.shiftKey && document.activeElement === first) {
e.preventDefault();
last.focus();
} else if (!e.shiftKey && document.activeElement === last) {
e.preventDefault();
first.focus();
}
};
modal.addEventListener('keydown', handleKeydown);
this.focusHandlers.set(modal, handleKeydown);
}
// function to get list of focusable elements in modal
getFocusableElements(container) {
// stringify list of focusable element to pass it to querySelectorAll
const selector = this.focusableElements.join();
return container.querySelectorAll(selector);
}
}