import {i18n} from './i18n';
import {css, html} from 'lit-element';
import {ScopedElementsMixin} from '@open-wc/scoped-elements';
import DBPLitElement from 'dbp-common/dbp-lit-element';
import {Icon, MiniSpinner} from 'dbp-common';
import * as commonUtils from 'dbp-common/utils';
import * as commonStyles from 'dbp-common/styles';
import {createClient} from 'webdav/web';
import {classMap} from 'lit-html/directives/class-map.js';
import {humanFileSize} from 'dbp-common/i18next';
import Tabulator from 'tabulator-tables';
import nextcloudFileURL from 'consts:nextcloudFileURL';
import MicroModal from './micromodal.es';
/**
* NextcloudFilePicker web component
*/
export class NextcloudFilePicker extends ScopedElementsMixin(DBPLitElement) {
constructor() {
super();
this.lang = 'de';
this.authUrl = '';
this.webDavUrl = '';
this.nextcloudName = 'Nextcloud';
this.loginWindow = null;
this.isPickerActive = false;
this.statusText = '';
this.lastDirectoryPath = '/';
this.directoryPath = '/';
this.webDavClient = null;
this.tabulatorTable = null;
this.allowedMimeTypes = '*/*';
this.directoriesOnly = null;
this.maxSelectedItems = true;
this.loading = false;
this._onReceiveWindowMessage = this.onReceiveWindowMessage.bind(this);
this.folderIsSelected = i18n.t('nextcloud-file-picker.load-in-folder');
}
static get scopedElements() {
return {
'dbp-icon': Icon,
'dbp-mini-spinner': MiniSpinner,
};
}
/**
* See: https://lit-element.polymer-project.org/guide/properties#initialize
*/
static get properties() {
return {
lang: { type: String },
authUrl: { type: String, attribute: 'auth-url' },
webDavUrl: { type: String, attribute: 'web-dav-url' },
nextcloudName: { type: String, attribute: 'nextcloud-name' },
isPickerActive: { type: Boolean, attribute: false },
statusText: { type: String, attribute: false },
folderIsSelected: { type: String, attribute: false },
directoryPath: { type: String, attribute: false },
allowedMimeTypes: { type: String, attribute: 'allowed-mime-types' },
directoriesOnly: { type: Boolean, attribute: 'directories-only' },
maxSelectedItems: { type: Number, attribute: 'max-selected-items' },
};
}
update(changedProperties) {
changedProperties.forEach((oldValue, propName) => {
switch (propName) {
case "lang":
i18n.changeLanguage(this.lang);
break;
}
});
super.update(changedProperties);
}
disconnectedCallback() {
window.removeEventListener('message', this._onReceiveWindowMessage);
super.disconnectedCallback();
}
connectedCallback() {
super.connectedCallback();
const that = this;
this.updateComplete.then(() => {
// see: https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage
window.addEventListener('message', this._onReceiveWindowMessage);
// see: http://tabulator.info/docs/4.7
this.tabulatorTable = new Tabulator(this._("#directory-content-table"), {
layout: "fitColumns",
selectable: this.maxSelectedItems,
selectableRangeMode: "drag",
responsiveLayout: true,
placeholder:i18n.t('nextcloud-file-picker.no-data'),
resizableColumns:false,
columns: [
{title: "", field: "type", align:"center", headerSort:false, width:50, responsive:1, formatter: (cell, formatterParams, onRendered) => {
const icon_tag = that.constructor.getScopedTagName("dbp-icon");
let icon = `<${icon_tag} name="empty-file"></${icon_tag}>`;
return (cell.getValue() === "directory") ? `<${icon_tag} name="folder"></${icon_tag}>` : icon;
}},
{title: i18n.t('nextcloud-file-picker.filename'), responsive: 0, widthGrow:5, minWidth: 150, field: "basename", sorter: "alphanum",
formatter: (cell) => {
var data = cell.getRow().getData();
if (data.edit)
{
cell.getElement().classList.add("fokus-edit");
}
return cell.getValue();
}},
{title: i18n.t('nextcloud-file-picker.size'), responsive: 4, widthGrow:1, minWidth: 50, field: "size", formatter: (cell, formatterParams, onRendered) => {
return cell.getRow().getData().type === "directory" ? "" : humanFileSize(cell.getValue());}},
{title: i18n.t('nextcloud-file-picker.mime-type'), responsive: 2, widthGrow:1, field: "mime", formatter: (cell, formatterParams, onRendered) => {
if (typeof cell.getValue() === 'undefined') {
return "";
}
const [fileMainType, fileSubType] = cell.getValue().split('/');
return fileSubType;
}},
{title: i18n.t('nextcloud-file-picker.last-modified'), responsive: 3, widthGrow:1, minWidth: 100, field: "lastmod",sorter: (a, b, aRow, bRow, column, dir, sorterParams) => {
const a_timestamp = Date.parse(a);
const b_timestamp = Date.parse(b);
return a_timestamp - b_timestamp;
}, formatter:function(cell, formatterParams, onRendered) {
const d = Date.parse(cell.getValue());
const timestamp = new Date(d);
const year = timestamp.getFullYear();
const month = ("0" + (timestamp.getMonth() + 1)).slice(-2);
const date = ("0" + timestamp.getDate()).slice(-2);
const hours = ("0" + timestamp.getHours()).slice(-2);
const minutes = ("0" + timestamp.getMinutes()).slice(-2);
return date + "." + month + "." + year + " " + hours + ":" + minutes;
}}
],
initialSort:[
{column:"basename", dir:"asc"},
{column:"type", dir:"asc"},
],
rowSelectionChanged: (data, rows) => {
if (data.length > 0 && this.directoriesOnly) {
this.folderIsSelected = i18n.t('nextcloud-file-picker.load-to-folder');
}
else {
this.folderIsSelected = i18n.t('nextcloud-file-picker.load-in-folder');
}
},
rowClick: (e, row) => {
const data = row.getData();
if (this.directoriesOnly) {
}
else
{
switch(data.type) {
case "directory":
this.directoryClicked(e, data);
break;
case "file":
break;
}
}
},
rowDblClick: (e, row) => {
if (this.directoriesOnly) {
const data = row.getData();
this.directoryClicked(e, data);
this.folderIsSelected = i18n.t('nextcloud-file-picker.load-in-folder');
}
}
});
if (this.tabulatorTable.browserMobile === false)
{
this.tabulatorTable.options.selectableRangeMode = "click";
}
function checkFileType(data, filterParams) {
// check if file is allowed
if (typeof data.mime === 'undefined') {
return true;
}
const [fileMainType, fileSubType] = data.mime.split('/');
const mimeTypes = filterParams.split(',');
let deny = true;
mimeTypes.forEach((str) => {
const [mainType, subType] = str.split('/');
deny = deny && ((mainType !== '*' && mainType !== fileMainType) || (subType !== '*' && subType !== fileSubType));
});
return !deny;
}
if (typeof this.allowedMimeTypes !== 'undefined') {
this.tabulatorTable.setFilter(checkFileType, this.allowedMimeTypes);
}
if (typeof this.directoriesOnly !== 'undefined' && this.directoriesOnly)
{
console.log("filter " + this.directoriesOnly);
this.tabulatorTable.setFilter([
{field:"type", type:"=", value:"directory"},
]);
}
});
}
openFilePicker() {
if (this.webDavClient === null)
{
this.loading = true;
this.statusText = i18n.t('nextcloud-file-picker.auth-progress');
const authUrl = this.authUrl + "?target-origin=" + encodeURIComponent(window.location.href);
this.loginWindow = window.open(authUrl, "Nextcloud Login",
"width=400,height=400,menubar=no,scrollbars=no,status=no,titlebar=no,toolbar=no");
}
else {
this.loadDirectory(this.directoryPath, this.webDavClient);
}
}
onReceiveWindowMessage(event) {
const data = event.data;
console.log("data", data);
if (data.type === "webapppassword") {
if (this.loginWindow !== null) {
this.loginWindow.close();
}
const apiUrl = this.webDavUrl + "/" + data.loginName;
console.log("url: ", this.webDavUrl);
// see https://github.com/perry-mitchell/webdav-client/blob/master/API.md#module_WebDAV.createClient
this.webDavClient = createClient(
apiUrl,
{
username: data.loginName,
password: data.token
}
);
this.loadDirectory(this.directoryPath);
}
}
/**
* Loads the directory from WebDAV
*
* @param path
*/
loadDirectory(path) {
this.loading = true;
this.statusText = i18n.t('nextcloud-file-picker.loadpath-nextcloud-file-picker', {name: this.nextcloudName});
this.lastDirectoryPath = this.directoryPath;
this.directoryPath = path;
// see https://github.com/perry-mitchell/webdav-client#getdirectorycontents
this.webDavClient
.getDirectoryContents(path, {details: true})
.then(contents => {
console.log("contents", contents);
this.loading = false;
this.statusText = "";
this.tabulatorTable.setData(contents.data);
this.isPickerActive = true;
}).catch(error => {
console.error(error.message);
// on Error: try to reload with home directory
if (path != "/") {
this.loadDirectory("/");
}
else {
this.loading = false;
this.statusText = error.message;
this.isPickerActive = false;
}
// client is broken reload try to reset & reconnect
this.webDavClient = null;
let reloadButton = html`<button class="button"
title="${i18n.t('nextcloud-file-picker.refresh-nextcloud-file-picker')}"
@click="${async () => { this.openFilePicker(); } }"><dbp-icon name="reload"></button>`;
this.loading = false;
this.statusText = reloadButton;
});
}
directoryClicked(event, file) {
this.loadDirectory(file.filename);
event.preventDefault();
}
downloadFiles(files) {
files.forEach((fileData) => this.downloadFile(fileData));
MicroModal.close();
}
downloadFile(fileData) {
this.loading = true;
this.statusText = "Loading " + fileData.filename + "...";
// https://github.com/perry-mitchell/webdav-client#getfilecontents
this.webDavClient
.getFileContents(fileData.filename)
.then(contents => {
// create file to send via event
const file = new File([contents], fileData.basename, { type: fileData.mime });
console.log("binaryFile", file);
// send event
const data = {"file": file, "data": fileData};
const event = new CustomEvent("dbp-nextcloud-file-picker-file-downloaded",
{ "detail": data, bubbles: true, composed: true });
this.dispatchEvent(event);
this.loading = false;
this.statusText = "";
}).catch(error => {
console.error(error.message);
this.loading = false;
this.statusText = error.message;
});
}
sendDirectory(directory) {
let path;
if (!directory[0])
{
path = this.directoryPath;
}
else {
path = directory[0].filename;
}
this.loading = true;
this.statusText = "Uploading to " + path + " ...";
const event = new CustomEvent("dbp-nextcloud-file-picker-file-uploaded",
{ "detail": path, bubbles: true, composed: true });
this.dispatchEvent(event);
}
async uploadFiles(files, directory) {
console.log("before all file finished");
let ret = false;
let ret_outer = true;
const start = async () => {
for (let index = 0; index < files.length; index++) {
ret = await this.uploadFile(files[index], directory);
if (ret === false) {
ret_outer = false;
break;
}
}
}
await start();
//let ret = await files.forEach((file) => this.uploadFile(file, directory));
console.log("all files finished", ret_outer);
return ret_outer;
}
async uploadFile(file, directory) {
console.log("before one file finished");
let path = directory + "/" + file.name;
// https://github.com/perry-mitchell/webdav-client#putfilecontents
let ret = false;
try{
let contents = await this.webDavClient
.putFileContents(path, file, { overwrite: false, onUploadProgress: progress => {
console.log(`Uploaded ${progress.loaded} bytes of ${progress.total}`);
}});
this.loading = false;
this.statusText = "";
console.log("try finished");
ret = true;
} catch(error ) {
console.error(error.message);
this.loading = false;
this.statusText = error.message;
}
console.log("after one file finished");
return ret;
}
/**
* Add new folder with webdav
*
*
*/
addFolder() {
if (this._('#new-folder').value !== "") {
let folderPath = this.directoryPath + "/" +this._('#new-folder').value;
this.webDavClient.createDirectory(folderPath).then(contents => { this.loadDirectory(this.directoryPath); }).catch(error => {
this.loading = false;
this.statusText = i18n.t('nextcloud-file-picker.webdav-error');
});
}
}
/**
* Returns the parent directory path
*
* @returns {string} parent directory path
*/
getParentDirectoryPath() {
let path = this.directoryPath.replace(/\/$/, "");
path = path.replace(path.split("/").pop(), "").replace(/\/$/, "");
return (path === "") ? "/" : path;
}
/**
* Returns the directory path as clickable breadcrumbs
*
* @returns {string} clickable breadcrumb path
*/
getBreadcrumb() {
let htmlpath = [];
htmlpath[0] = html`<a @click="${() => { this.loadDirectory("/"); }}" title="${i18n.t('nextcloud-file-picker.folder-home')}"><dbp-icon name="home"></dbp-icon> </a>`;
const directories = this.directoryPath.split('/');
if (directories[1] === "")
{
return htmlpath;
}
for(let i = 1; i < directories.length; i ++)
{
let path = "";
for(let j = 1; j <= i; j++)
{
path += "/";
path += directories[j];
}
htmlpath[i] = html` › <a @click="${() => { this.loadDirectory(path); }}" title="${i18n.t('nextcloud-file-picker.load-path-link', {path: directories[i]})}">${directories[i]}</a>`;
}
return htmlpath;
}
/**
* Returns Link to Nextcloud with actual directory
*
* @returns {string} actual directory Nextcloud link
*/
getNextCloudLink() {
let link = nextcloudFileURL + this.directoryPath;
return link;
}
getCloudLogo() {
let cloudLogo = html `<dbp-icon name="cloud" class="nextcloud-logo-icon"></dbp-icon>`;
if (this.nextcloudName === "TU Graz cloud")
{
cloudLogo = html`
<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 97.6 81.74">
<g>
<path d="M89.8,22.7a28.51,28.51,0,0,0-16.9-9.1,27.84,27.84,0,0,0-14.8-12A24,24,0,0,0,48.9,0,28.36,28.36,0,0,0,20.6,27.4,22.42,22.42,0,0,0,13,70.11v-6.3A16.7,16.7,0,0,1,5.5,50a17,17,0,0,1,17-17h3.6V28.5A23,23,0,0,1,49,5.6a19.75,19.75,0,0,1,7.2,1.2h.1A22.48,22.48,0,0,1,68.9,17.5l.6,1.3,1.4.2a23.07,23.07,0,0,1,14.9,7.5,23.85,23.85,0,0,1-1.23,33.74v7A29.56,29.56,0,0,0,89.8,22.7Z"/>
<g>
<path d="M16.39,71.61H36.65V51.36H16.39Z" style="fill: #e4154b"/>
<path d="M38.67,71.61H58.93V51.36H38.67Z" style="fill: #e4154b"/>
<path d="M61,71.61H81.21V51.36H61Z" style="fill: #e4154b"/>
<path d="M26.52,81.74H46.78V61.49H26.52Z" style="fill: #e4154b"/>
<path d="M50.83,61.49H71.08V41.23H50.83Z" style="fill: #e4154b"/>
</g>
</g>
</svg>
`;
}
return cloudLogo;
}
static get styles() {
// language=css
return css`
${commonStyles.getGeneralCSS()}
${commonStyles.getButtonCSS()}
${commonStyles.getTextUtilities()}
.block {
margin-bottom: 10px;
}
.force-no-select{
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.nextcloud-header{
margin-bottom: 2rem;
display: inline-grid;
width: 100%;
grid-template-columns: auto auto;
}
.nextcloud-header div button{
justify-self: start;
}
.nextcloud-intro{
text-align: center;
}
.nextcloud-logo{
width: 80px;
justify-self: end;
transition: all 0.5s ease;
margin: auto;
}
.nextcloud-logo-icon{
height: 100%;
}
.nextcloud-logo-sm{
width: 40px;
justify-self: inherit;
margin-right: 70px;
display:none;
}
.m-inherit{
margin: inherit;
}
.wrapper{
width: 100%;
height:100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
position: relative;
}
.wrapper-select{
justify-content: inherit;
}
.select-button{
justify-self: end;
}
.nextcloud-content{
width: 100%;
height: 100%;
overflow-y: auto;
}
.tabulator .tabulator-header .tabulator-col.tabulator-sortable .tabulator-col-title{
padding-top: 4px;
padding-bottom: 4px;
font-weight: normal
}
.tabulator .tabulator-header .tabulator-col.tabulator-sortable[aria-sort="asc"] .tabulator-col-content .tabulator-arrow,
.tabulator .tabulator-header .tabulator-col.tabulator-sortable[aria-sort="none"] .tabulator-col-content .tabulator-arrow,
.tabulator .tabulator-header .tabulator-col.tabulator-sortable[aria-sort="desc"] .tabulator-col-content .tabulator-arrow{
padding-bottom: 6px;
}
.tabulator .tabulator-header, .tabulator .tabulator-header, .tabulator .tabulator-header .tabulator-col, .tabulator, .tabulator-row .tabulator-cell, .tabulator-row.tabulator-row-even,
.tabulator .tabulator-header .tabulator-col.tabulator-sortable:hover{
background-color: unset;
background: unset;
color: unset;
border: none;
}
.tabulator-row, .tabulator-row.tabulator-row-even{
background-color: white;
}
.tabulator-row.tabulator-selected:hover, .tabulator-row.tabulator-selected{
background-color: var(--dbp-dark);
color: var(--dbp-light);
}
.tabulator-row.tabulator-selectable:hover{
background-color: #eee;
color: var(--dbp-dark);
}
.tabulator .tabulator-header .tabulator-col .tabulator-col-content{
display: inline-flex;
}
.tabulator .tabulator-header .tabulator-col.tabulator-sortable[aria-sort="desc"] .tabulator-col-content .tabulator-arrow{
top: 16px;
}
.tabulator .tabulator-header .tabulator-col.tabulator-sortable[aria-sort="asc"] .tabulator-col-content .tabulator-arrow{
border-top: none;
border-bottom: 4px solid #666;
}
.tabulator .tabulator-header .tabulator-col.tabulator-sortable[aria-sort="none"] .tabulator-col-content .tabulator-arrow{
border-top: none;
border-bottom: 4px solid #bbb;
}
.tabulator .tabulator-header .tabulator-col .tabulator-col-content .tabulator-arrow{
border-left: 4px solid transparent;
border-right: 4px solid transparent;
}
.tabulator .tabulator-header .tabulator-col.tabulator-sortable[aria-sort="desc"] .tabulator-col-content .tabulator-arrow,
.tabulator .tabulator-header .tabulator-col.tabulator-sortable[aria-sort="desc"] .tabulator-col-content .tabulator-arrow{
border-top: 4px solid #666;
border-bottom: none;
}
.tabulator-row, .tabulator-row.tabulator-row-even{
padding-top: 10px;
padding-bottom: 10px;
border-top: 1px solid #eee;
}
.tabulator-header{
padding-top: 10px;
padding-bottom: 10px;
}
.nextcloud-nav{
display: flex;
justify-content: space-between;
}
.nextcloud-footer{
background-color: white;
width: 100%;
padding-top: 10px;
}
.nextcloud-footer-grid{
width: 100%;
display: flex;
align-items: center;
flex-direction: row-reverse;
justify-content: space-between;
}
.tabulator .tabulator-tableHolder{
overflow: hidden;
}
.tabulator .tabulator-tableHolder .tabulator-placeholder span{
font-size: inherit;
font-weight: inherit;
color: inherit;
}
.add-folder{
padding-top: 10px;
}
@media only screen
and (orientation: portrait)
and (max-device-width: 765px) {
.nextcloud-nav h2 > a{
font-size: 1.3rem;
}
.nextcloud-nav a{
font-size: 0.9rem;
}
.nextcloud-logo-sm{
display: none;
}
.tabulator .tabulator-tableHolder{
white-space: inherit;
}
.button-wrapper{
justify-self: start;
}
.wrapper{
display: grid;
/*grid-template-areas: "header-l header-r" "content content";
grid-template-rows: 50px auto;
grid-template-columns: 50% 50%;*/
grid-template-rows: auto 50px;
grid-template-columns: 100%;
grid-template-areas: "content" "footer";
}
.nextcloud-header{
grid-area: header-l;
margin-bottom: 0px;
}
.nextcloud-content, .nextcloud-intro{
grid-area: content;
}
.nextcloud-intro{
/*grid-column-start: header-l-start;
grid-column-end: header-r-end;
grid-row-start: header-l-start;
grid-row-end: content-end;*/
grid-area: content;
text-align: center;
}
.nextcloud-footer{
/*grid-area: header-r;*/
padding-top: 0px;
grid-area: footer;
}
.info-box{
display: none;
}
.nextcloud-footer-grid{
display: flex;
justify-content: end;
justify-content: center;
}
.select-button{
margin: 0px;
}
#new-folder{
width: 86%;
}
}
`;
}
render() {
const tabulatorCss = commonUtils.getAssetURL('local/dbp-file-source/tabulator-tables/css/tabulator.min.css');
console.log("tabulatorCss", tabulatorCss);
return html`
<div class="wrapper">
<link rel="stylesheet" href="${tabulatorCss}">
<div class="nextcloud-intro">
<div class="nextcloud-logo ${classMap({"nextcloud-logo-sm": this.isPickerActive})}">
${this.getCloudLogo()}
</div>
<div class="block text-center ${classMap({hidden: this.isPickerActive})}">
<h2 class="m-inherit">
${this.nextcloudName}
</h2>
<p class="m-inherit">
${i18n.t('nextcloud-file-picker.init-text-1', {name: this.nextcloudName})} <br>
${i18n.t('nextcloud-file-picker.init-text-2')}
</p>
</div>
<div class="block ${classMap({hidden: this.isPickerActive})}">
<button class="button is-primary"
title="${i18n.t('nextcloud-file-picker.open-nextcloud-file-picker', {name: this.nextcloudName})}"
@click="${async () => { this.openFilePicker(); } }">${i18n.t('nextcloud-file-picker.connect-nextcloud', {name: this.nextcloudName})}</button>
</div>
<div class="block text-center m-inherit ${classMap({hidden: this.isPickerActive})}">
<p class="m-inherit">
${i18n.t('nextcloud-file-picker.auth-info')}
</p>
</div>
</div>
<div class="nextcloud-content ${classMap({hidden: !this.isPickerActive})}">
<div class="nextcloud-nav">
<h2>${this.getBreadcrumb()}</h2>
<div class="add-folder ${classMap({hidden: !this.directoriesOnly})}">
<input type="text" placeholder="${i18n.t('nextcloud-file-picker.new-folder-placeholder')}" name="new-folder" class="input" id="new-folder">
<button class="button"
title="${i18n.t('nextcloud-file-picker.add-folder')}"
@click="${() => { this.addFolder(); }}">
<dbp-icon name="plus" class="nextcloud-add-folder"></dbp-icon>
</button>
</div>
</div>
<table id="directory-content-table" class="force-no-select"></table>
</div>
<div class="nextcloud-footer ${classMap({hidden: !this.isPickerActive})}">
<div class="nextcloud-footer-grid">
<button class="button select-button is-primary ${classMap({hidden: !this.directoriesOnly})}"
@click="${() => { this.sendDirectory(this.tabulatorTable.getSelectedData()); }}">${this.folderIsSelected}</button>
<button class="button select-button is-primary ${classMap({hidden: this.directoriesOnly})}"
@click="${() => { this.downloadFiles(this.tabulatorTable.getSelectedData()); }}">${i18n.t('nextcloud-file-picker.select-files')}</button>
<div class="block info-box ${classMap({hidden: this.statusText === ""})}">
<dbp-mini-spinner style="font-size: 0.7em" class="${classMap({hidden: this.loading === false})}"></dbp-mini-spinner>
${this.statusText}
</div>
</div>
</div>
</div>
`;
}
}