filebrowser/_embed/public/js/listing.js

430 lines
13 KiB
JavaScript

'use strict';
var selectedItems = [];
var reloadListing = function(callback) {
let request = new XMLHttpRequest();
request.open('GET', window.location);
request.setRequestHeader('Minimal', 'true');
request.send();
request.onreadystatechange = function() {
if (request.readyState == 4) {
if (request.status == 200) {
document.querySelector('body main').innerHTML = request.responseText;
addNewDirEvents();
if (typeof callback == 'function') {
callback();
}
}
}
}
}
// Rename file event
var renameEvent = function(event) {
if (this.classList.contains('disabled') || !selectedItems.length) {
return false;
}
// This mustn't happen
if (selectedItems.length > 1) {
alert("Something went wrong. Please refresh the page.");
location.refresh();
}
let item = document.getElementById(selectedItems[0]),
link = item.dataset.url,
span = item.getElementsByTagName('span')[0],
name = span.innerHTML;
span.setAttribute('contenteditable', 'true');
span.focus();
let keyDownEvent = (event) => {
if (event.keyCode == 13) {
let newName = span.innerHTML,
newLink = removeLastDirectoryPartOf(toWebDavURL(link)) + newName,
html = document.getElementById('rename').changeToLoading(),
request = new XMLHttpRequest();
request.open('MOVE', toWebDavURL(link));
request.setRequestHeader('Destination', newLink);
request.setRequestHeader('Content-type', 'text/plain; charset=utf-8');
request.send();
request.onreadystatechange = function() {
// TODO: redirect if it's moved to another folder
if (request.readyState == 4) {
if (request.status != 201 && request.status != 204) {
span.innerHTML = name;
} else {
let newLink = encodeURI(link.replace(name, newName));
console.log(request.body)
reloadListing(() => {
newName = btoa(newName);
selectedItems = [newName];
document.getElementById(newName).setAttribute("aria-selected", true);
document.sendCostumEvent('changed-selected');
});
}
document.getElementById('rename').changeToDone((request.status != 201 && request.status != 204), html);
}
}
}
if (event.KeyCode == 27) {
span.innerHTML = name;
}
if (event.keyCode == 13 || event.keyCode == 27) {
span.setAttribute('contenteditable', 'false');
span.removeEventListener('keydown', keyDownEvent);
event.preventDefault();
}
return false;
}
span.addEventListener('keydown', keyDownEvent);
span.addEventListener('blur', (event) => {
span.innerHTML = name;
span.setAttribute('contenteditable', 'false');
span.removeEventListener('keydown', keyDownEvent);
item.removeEventListener('click', preventDefault);
});
return false;
}
// Upload files
var handleFiles = function(files, base) {
let button = document.getElementById("upload"),
html = button.changeToLoading();
for (let i = 0; i < files.length; i++) {
let request = new XMLHttpRequest();
request.open('PUT', toWebDavURL(window.location.pathname + base + files[i].name));
request.send(files[i]);
request.onreadystatechange = function() {
if (request.readyState == 4) {
if (request.status == 201) {
reloadListing();
}
button.changeToDone((request.status != 201), html);
}
}
}
return false;
}
// Handles the back button event
var backEvent = function(event) {
var items = document.getElementsByClassName('item');
Array.from(items).forEach(link => {
link.setAttribute("aria-selected", false);
});
selectedItems = [];
var event = new CustomEvent('changed-selected');
document.dispatchEvent(event);
return false;
}
// Toggles the view mode
var viewEvent = function(event) {
let cookie = document.getCookie('view-list'),
listing = document.getElementById('listing');
if (cookie != 'true') {
document.cookie = 'view-list=true';
} else {
document.cookie = 'view-list=false';
}
handleViewType(document.getCookie('view-list'));
return false;
}
// Handles the view mode change
var handleViewType = function(viewList) {
let listing = document.getElementById('listing'),
button = document.getElementById('view');
if (viewList == "true") {
listing.classList.add('list');
button.innerHTML = '<i class="material-icons" title="Switch View">view_module</i> <span>Switch view</span>';
return false;
}
button.innerHTML = '<i class="material-icons" title="Switch View">view_list</i> <span>Switch view</span>';
listing.classList.remove('list');
return false;
}
var addNewDirEvents = function() {
document.getElementById('new').addEventListener('click', event => {
let newdir = document.getElementById('newdir');
newdir.classList.add('enabled');
newdir.focus();
});
document.getElementById('newdir').addEventListener('blur', event => {
document.getElementById('newdir').classList.remove('enabled');
});
document.getElementById('newdir').addEventListener('keydown', newDirEvent);
}
// Handles the new directory event
var newDirEvent = function(event) {
// TODO: create new dir button and new file button
if (event.keyCode == 27) {
document.getElementById('newdir').classList.toggle('enabled');
setTimeout(() => {
document.getElementById('newdir').value = '';
}, 200);
}
if (event.keyCode == 13) {
event.preventDefault();
let button = document.getElementById('new'),
html = button.changeToLoading(),
request = new XMLHttpRequest(),
name = document.getElementById('newdir').value;
request.open((name.endsWith("/") ? "MKCOL" : "PUT"), toWebDavURL(window.location.pathname + name));
request.send();
request.onreadystatechange = function() {
if (request.readyState == 4) {
button.changeToDone((request.status != 201), html);
reloadListing(() => {
addNewDirEvents();
});
}
}
}
return false;
}
// Handles the event when there is change on selected elements
document.addEventListener("changed-selected", function(event) {
redefineDownloadURLs();
let selectedNumber = selectedItems.length,
fileAction = document.getElementById("file-only");
if (selectedNumber) {
fileAction.classList.remove("disabled");
if (selectedNumber > 1) {
document.getElementById("open").classList.add("disabled");
document.getElementById("rename").classList.add("disabled");
}
if (selectedNumber == 1) {
document.getElementById("open").classList.remove("disabled");
document.getElementById("rename").classList.remove("disabled");
}
return false;
}
fileAction.classList.add("disabled");
return false;
});
var redefineDownloadURLs = function() {
let files = "";
for (let i = 0; i < selectedItems.length; i++) {
let url = document.getElementById(selectedItems[i]).dataset.url;
files += url.replace(window.location.pathname, "") + ",";
}
files = files.substring(0, files.length - 1);
files = encodeURIComponent(files);
let links = document.querySelectorAll("#download ul a");
Array.from(links).forEach(link => {
link.href = "?download=" + link.dataset.format + "&files=" + files;
});
}
document.addEventListener('DOMContentLoaded', event => {
// Handles the current view mode and adds the event to the button
handleViewType(document.getCookie("view-list"));
document.getElementById("view").addEventListener("click", viewEvent);
let updateColumns = () => {
let columns = Math.floor(document.getElementById('listing').offsetWidth / 300),
itens = getCSSRule('#listing .item');
itens.style.width = `calc(${100/columns}% - 1em)`;
}
updateColumns();
window.addEventListener("resize", () => {
updateColumns();
});
// Add event to back button and executes back event on ESC
document.addEventListener('keydown', (event) => {
if (event.keyCode == 27) {
backEvent(event);
}
});
if (user.AllowEdit) {
// Enables rename button
document.getElementById("rename").addEventListener("click", renameEvent);
}
if (user.AllowNew) {
// Enables upload button
document.getElementById("upload").addEventListener("click", (event) => {
document.getElementById("upload-input").click();
});
addNewDirEvents();
// Drag and Drop
let items = document.getElementsByClassName('item');
document.addEventListener("dragover", function(event) {
event.preventDefault();
}, false);
document.addEventListener("dragenter", (event) => {
Array.from(items).forEach(file => {
file.style.opacity = 0.5;
});
}, false);
document.addEventListener("dragend", (event) => {
Array.from(items).forEach(file => {
file.style.opacity = 1;
});
}, false);
document.addEventListener("drop", function(event) {
event.preventDefault();
var dt = event.dataTransfer;
var files = dt.files;
let el = event.target;
for (let i = 0; i < 5; i++) {
if (el != null && !el.classList.contains('item')) {
el = el.parentElement;
}
}
if (files.length > 0) {
if (el != null && el.classList.contains('item') && el.dataset.dir == "true") {
handleFiles(files, el.querySelector('.name').innerHTML + "/");
return;
}
handleFiles(files, "");
} else {
Array.from(items).forEach(file => {
file.style.opacity = 1;
});
}
}, false);
}
});
function itemDragStart(event) {
let el = event.target;
for (let i = 0; i < 5; i++) {
if (!el.classList.contains('item')) {
el = el.parentElement;
}
}
event.dataTransfer.setData("id", el.id);
event.dataTransfer.setData("name", el.querySelector('.name').innerHTML);
}
function itemDragOver(event) {
event.preventDefault();
let el = event.target;
for (let i = 0; i < 5; i++) {
if (!el.classList.contains('item')) {
el = el.parentElement;
}
}
el.style.opacity = 1;
}
function itemDrop(e) {
e.preventDefault();
let el = e.target,
id = e.dataTransfer.getData("id"),
name = e.dataTransfer.getData("name");
if (id == "" || name == "") return;
for (let i = 0; i < 5; i++) {
if (!el.classList.contains('item')) {
el = el.parentElement;
}
}
if (el.id === id) return;
let oldLink = toWebDavURL(document.getElementById(id).dataset.url),
newLink = toWebDavURL(el.dataset.url + name),
request = new XMLHttpRequest();
request.open('MOVE', oldLink);
request.setRequestHeader('Destination', newLink);
request.send();
request.onreadystatechange = function() {
if (request.readyState == 4) {
if (request.status == 201 || request.status == 204) {
reloadListing();
}
}
}
}
function openItem(event) {
window.location = event.currentTarget.dataset.url;
}
function selectItem(event) {
let el = event.currentTarget;
if (selectedItems.length != 0) event.preventDefault();
if (selectedItems.indexOf(el.id) == -1) {
if (!event.ctrlKey) backEvent(event);
el.setAttribute("aria-selected", true);
selectedItems.push(el.id);
} else {
el.setAttribute("aria-selected", false);
selectedItems.removeElement(el.id);
}
document.sendCostumEvent("changed-selected");
return false;
}