forked from mirrors/bookwyrm
433 lines
13 KiB
JavaScript
433 lines
13 KiB
JavaScript
/* exported BookWyrm */
|
|
/* globals TabGroup */
|
|
|
|
let BookWyrm = new class {
|
|
constructor() {
|
|
this.MAX_FILE_SIZE_BYTES = 10 * 1000000;
|
|
this.initOnDOMLoaded();
|
|
this.initReccuringTasks();
|
|
this.initEventListeners();
|
|
}
|
|
|
|
initEventListeners() {
|
|
document.querySelectorAll('[data-controls]')
|
|
.forEach(button => button.addEventListener(
|
|
'click',
|
|
this.toggleAction.bind(this))
|
|
);
|
|
|
|
document.querySelectorAll('.interaction')
|
|
.forEach(button => button.addEventListener(
|
|
'submit',
|
|
this.interact.bind(this))
|
|
);
|
|
|
|
document.querySelectorAll('.hidden-form input')
|
|
.forEach(button => button.addEventListener(
|
|
'change',
|
|
this.revealForm.bind(this))
|
|
);
|
|
|
|
document.querySelectorAll('[data-hides]')
|
|
.forEach(button => button.addEventListener(
|
|
'change',
|
|
this.hideForm.bind(this))
|
|
);
|
|
|
|
document.querySelectorAll('[data-back]')
|
|
.forEach(button => button.addEventListener(
|
|
'click',
|
|
this.back)
|
|
);
|
|
|
|
document.querySelectorAll('input[type="file"]')
|
|
.forEach(node => node.addEventListener(
|
|
'change',
|
|
this.disableIfTooLarge.bind(this)
|
|
));
|
|
|
|
document.querySelectorAll('[data-duplicate]')
|
|
.forEach(node => node.addEventListener(
|
|
'click',
|
|
this.duplicateInput.bind(this)
|
|
|
|
))
|
|
}
|
|
|
|
/**
|
|
* Execute code once the DOM is loaded.
|
|
*/
|
|
initOnDOMLoaded() {
|
|
const bookwyrm = this;
|
|
|
|
window.addEventListener('DOMContentLoaded', function() {
|
|
document.querySelectorAll('.tab-group')
|
|
.forEach(tabs => new TabGroup(tabs));
|
|
document.querySelectorAll('input[type="file"]').forEach(
|
|
bookwyrm.disableIfTooLarge.bind(bookwyrm)
|
|
);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Execute recurring tasks.
|
|
*/
|
|
initReccuringTasks() {
|
|
// Polling
|
|
document.querySelectorAll('[data-poll]')
|
|
.forEach(liveArea => this.polling(liveArea));
|
|
}
|
|
|
|
/**
|
|
* Go back in browser history.
|
|
*
|
|
* @param {Event} event
|
|
* @return {undefined}
|
|
*/
|
|
back(event) {
|
|
event.preventDefault();
|
|
history.back();
|
|
}
|
|
|
|
/**
|
|
* Update a counter with recurring requests to the API
|
|
* The delay is slightly randomized and increased on each cycle.
|
|
*
|
|
* @param {Object} counter - DOM node
|
|
* @param {int} delay - frequency for polling in ms
|
|
* @return {undefined}
|
|
*/
|
|
polling(counter, delay) {
|
|
const bookwyrm = this;
|
|
|
|
delay = delay || 10000;
|
|
delay += (Math.random() * 1000);
|
|
|
|
setTimeout(function() {
|
|
fetch('/api/updates/' + counter.dataset.poll)
|
|
.then(response => response.json())
|
|
.then(data => bookwyrm.updateCountElement(counter, data));
|
|
|
|
bookwyrm.polling(counter, delay * 1.25);
|
|
}, delay, counter);
|
|
}
|
|
|
|
/**
|
|
* Update a counter.
|
|
*
|
|
* @param {object} counter - DOM node
|
|
* @param {object} data - json formatted response from a fetch
|
|
* @return {undefined}
|
|
*/
|
|
updateCountElement(counter, data) {
|
|
let count = data.count;
|
|
const count_by_type = data.count_by_type;
|
|
const currentCount = counter.innerText;
|
|
const hasMentions = data.has_mentions;
|
|
const allowedStatusTypesEl = document.getElementById('unread-notifications-wrapper');
|
|
|
|
// If we're on the right counter element
|
|
if (counter.closest('[data-poll-wrapper]').contains(allowedStatusTypesEl)) {
|
|
const allowedStatusTypes = JSON.parse(allowedStatusTypesEl.textContent);
|
|
|
|
// For keys in common between allowedStatusTypes and count_by_type
|
|
// This concerns 'review', 'quotation', 'comment'
|
|
count = allowedStatusTypes.reduce(function(prev, currentKey) {
|
|
const currentValue = count_by_type[currentKey] | 0;
|
|
|
|
return prev + currentValue;
|
|
}, 0);
|
|
|
|
// Add all the "other" in count_by_type if 'everything' is allowed
|
|
if (allowedStatusTypes.includes('everything')) {
|
|
// Clone count_by_type with 0 for reviews/quotations/comments
|
|
const count_by_everything_else = Object.assign(
|
|
{},
|
|
count_by_type,
|
|
{review: 0, quotation: 0, comment: 0}
|
|
);
|
|
|
|
count = Object.keys(count_by_everything_else).reduce(
|
|
function(prev, currentKey) {
|
|
const currentValue =
|
|
count_by_everything_else[currentKey] | 0
|
|
|
|
return prev + currentValue;
|
|
},
|
|
count
|
|
);
|
|
}
|
|
}
|
|
|
|
if (count != currentCount) {
|
|
this.addRemoveClass(counter.closest('[data-poll-wrapper]'), 'is-hidden', count < 1);
|
|
counter.innerText = count;
|
|
this.addRemoveClass(counter.closest('[data-poll-wrapper]'), 'is-danger', hasMentions);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Show form.
|
|
*
|
|
* @param {Event} event
|
|
* @return {undefined}
|
|
*/
|
|
revealForm(event) {
|
|
let trigger = event.currentTarget;
|
|
let hidden = trigger.closest('.hidden-form').querySelectorAll('.is-hidden')[0];
|
|
|
|
if (hidden) {
|
|
this.addRemoveClass(hidden, 'is-hidden', !hidden);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Hide form.
|
|
*
|
|
* @param {Event} event
|
|
* @return {undefined}
|
|
*/
|
|
hideForm(event) {
|
|
let trigger = event.currentTarget;
|
|
let targetId = trigger.dataset.hides
|
|
let visible = document.getElementById(targetId)
|
|
|
|
this.addRemoveClass(visible, 'is-hidden', true);
|
|
}
|
|
|
|
/**
|
|
* Execute actions on targets based on triggers.
|
|
*
|
|
* @param {Event} event
|
|
* @return {undefined}
|
|
*/
|
|
toggleAction(event) {
|
|
let trigger = event.currentTarget;
|
|
|
|
if (!trigger.dataset.allowDefault || event.currentTarget == event.target) {
|
|
event.preventDefault();
|
|
}
|
|
let pressed = trigger.getAttribute('aria-pressed') === 'false';
|
|
let targetId = trigger.dataset.controls;
|
|
|
|
// Toggle pressed status on all triggers controlling the same target.
|
|
document.querySelectorAll('[data-controls="' + targetId + '"]')
|
|
.forEach(otherTrigger => otherTrigger.setAttribute(
|
|
'aria-pressed',
|
|
otherTrigger.getAttribute('aria-pressed') === 'false'
|
|
));
|
|
|
|
// @todo Find a better way to handle the exception.
|
|
if (targetId && ! trigger.classList.contains('pulldown-menu')) {
|
|
let target = document.getElementById(targetId);
|
|
|
|
this.addRemoveClass(target, 'is-hidden', !pressed);
|
|
this.addRemoveClass(target, 'is-active', pressed);
|
|
}
|
|
|
|
// Show/hide pulldown-menus.
|
|
if (trigger.classList.contains('pulldown-menu')) {
|
|
this.toggleMenu(trigger, targetId);
|
|
}
|
|
|
|
// Show/hide container.
|
|
let container = document.getElementById('hide_' + targetId);
|
|
|
|
if (container) {
|
|
this.toggleContainer(container, pressed);
|
|
}
|
|
|
|
// Check checkbox, if appropriate.
|
|
let checkbox = trigger.dataset.controlsCheckbox;
|
|
|
|
if (checkbox) {
|
|
this.toggleCheckbox(checkbox, pressed);
|
|
}
|
|
|
|
// Toggle form disabled, if appropriate
|
|
let disable = trigger.dataset.disables;
|
|
|
|
if (disable) {
|
|
this.toggleDisabled(disable, !pressed);
|
|
}
|
|
|
|
// Set focus, if appropriate.
|
|
let focus = trigger.dataset.focusTarget;
|
|
|
|
if (focus) {
|
|
this.toggleFocus(focus);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Show or hide menus.
|
|
*
|
|
* @param {Event} event
|
|
* @return {undefined}
|
|
*/
|
|
toggleMenu(trigger, targetId) {
|
|
let expanded = trigger.getAttribute('aria-expanded') == 'false';
|
|
|
|
trigger.setAttribute('aria-expanded', expanded);
|
|
|
|
if (targetId) {
|
|
let target = document.getElementById(targetId);
|
|
|
|
this.addRemoveClass(target, 'is-active', expanded);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Show or hide generic containers.
|
|
*
|
|
* @param {object} container - DOM node
|
|
* @param {boolean} pressed - Is the trigger pressed?
|
|
* @return {undefined}
|
|
*/
|
|
toggleContainer(container, pressed) {
|
|
this.addRemoveClass(container, 'is-hidden', pressed);
|
|
}
|
|
|
|
/**
|
|
* Check or uncheck a checkbox.
|
|
*
|
|
* @param {string} checkbox - id of the checkbox
|
|
* @param {boolean} pressed - Is the trigger pressed?
|
|
* @return {undefined}
|
|
*/
|
|
toggleCheckbox(checkbox, pressed) {
|
|
document.getElementById(checkbox).checked = !!pressed;
|
|
}
|
|
|
|
/**
|
|
* Enable or disable a form element or fieldset
|
|
*
|
|
* @param {string} form_element - id of the element
|
|
* @param {boolean} pressed - Is the trigger pressed?
|
|
* @return {undefined}
|
|
*/
|
|
toggleDisabled(form_element, pressed) {
|
|
document.getElementById(form_element).disabled = !!pressed;
|
|
}
|
|
|
|
/**
|
|
* Give the focus to an element.
|
|
* Only move the focus based on user interactions.
|
|
*
|
|
* @param {string} nodeId - ID of the DOM node to focus (button, link…)
|
|
* @return {undefined}
|
|
*/
|
|
toggleFocus(nodeId) {
|
|
let node = document.getElementById(nodeId);
|
|
|
|
node.focus();
|
|
|
|
setTimeout(function() {
|
|
node.selectionStart = node.selectionEnd = 10000;
|
|
}, 0);
|
|
}
|
|
|
|
/**
|
|
* Make a request and update the UI accordingly.
|
|
* This function is used for boosts, favourites, follows and unfollows.
|
|
*
|
|
* @param {Event} event
|
|
* @return {undefined}
|
|
*/
|
|
interact(event) {
|
|
event.preventDefault();
|
|
|
|
const bookwyrm = this;
|
|
const form = event.currentTarget;
|
|
const relatedforms = document.querySelectorAll(`.${form.dataset.id}`);
|
|
|
|
// Toggle class on all related forms.
|
|
relatedforms.forEach(relatedForm => bookwyrm.addRemoveClass(
|
|
relatedForm,
|
|
'is-hidden',
|
|
relatedForm.className.indexOf('is-hidden') == -1
|
|
));
|
|
|
|
this.ajaxPost(form).catch(error => {
|
|
// @todo Display a notification in the UI instead.
|
|
console.warn('Request failed:', error);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Submit a form using POST.
|
|
*
|
|
* @param {object} form - Form to be submitted
|
|
* @return {Promise}
|
|
*/
|
|
ajaxPost(form) {
|
|
return fetch(form.action, {
|
|
method : "POST",
|
|
body: new FormData(form),
|
|
headers: {
|
|
'Accept': 'application/json',
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Add or remove a class based on a boolean condition.
|
|
*
|
|
* @param {object} node - DOM node to change class on
|
|
* @param {string} classname - Name of the class
|
|
* @param {boolean} add - Add?
|
|
* @return {undefined}
|
|
*/
|
|
addRemoveClass(node, classname, add) {
|
|
if (add) {
|
|
node.classList.add(classname);
|
|
} else {
|
|
node.classList.remove(classname);
|
|
}
|
|
}
|
|
|
|
disableIfTooLarge(eventOrElement) {
|
|
const { addRemoveClass, MAX_FILE_SIZE_BYTES } = this;
|
|
const element = eventOrElement.currentTarget || eventOrElement;
|
|
|
|
const submits = element.form.querySelectorAll('[type="submit"]');
|
|
const warns = element.parentElement.querySelectorAll('.file-too-big');
|
|
const isTooBig = element.files &&
|
|
element.files[0] &&
|
|
element.files[0].size > MAX_FILE_SIZE_BYTES;
|
|
|
|
if (isTooBig) {
|
|
submits.forEach(submitter => submitter.disabled = true);
|
|
warns.forEach(
|
|
sib => addRemoveClass(sib, 'is-hidden', false)
|
|
);
|
|
} else {
|
|
submits.forEach(submitter => submitter.disabled = false);
|
|
warns.forEach(
|
|
sib => addRemoveClass(sib, 'is-hidden', true)
|
|
);
|
|
}
|
|
}
|
|
|
|
duplicateInput (event ) {
|
|
const trigger = event.currentTarget;
|
|
const input_id = trigger.dataset['duplicate']
|
|
const orig = document.getElementById(input_id);
|
|
const parent = orig.parentNode;
|
|
const new_count = parent.querySelectorAll("input").length + 1
|
|
|
|
let input = orig.cloneNode();
|
|
|
|
input.id += ("-" + (new_count))
|
|
input.value = ""
|
|
|
|
let label = parent.querySelector("label").cloneNode();
|
|
|
|
label.setAttribute("for", input.id)
|
|
|
|
parent.appendChild(label)
|
|
parent.appendChild(input)
|
|
}
|
|
}();
|