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Reiter, Christoph authoredThis reverts commit 3716524b.
Reiter, Christoph authoredThis reverts commit 3716524b.
file-source.js 27.69 KiB
import {createInstance} from './i18n';
import {css, html} from 'lit-element';
import {ScopedElementsMixin} from '@open-wc/scoped-elements';
import * as commonUtils from "@dbp-toolkit/common/utils";
import {Icon, MiniSpinner} from '@dbp-toolkit/common';
import {send} from "@dbp-toolkit/common/notification";
import * as commonStyles from '@dbp-toolkit/common/styles';
import {NextcloudFilePicker} from "./nextcloud-file-picker";
import {classMap} from 'lit-html/directives/class-map.js';
import MicroModal from './micromodal.es';
import * as fileHandlingStyles from './styles';
import {Clipboard} from "@dbp-toolkit/file-handling/src/clipboard";
import DbpFileHandlingLitElement from "./dbp-file-handling-lit-element";
import {humanFileSize} from "@dbp-toolkit/common/i18next";
function mimeTypesToAccept(mimeTypes) {
// Some operating systems can't handle mime types and
// need file extensions, this tries to add them for some..
let mapping = {
'application/pdf': ['.pdf'],
'application/zip': ['.zip'],
};
let accept = [];
mimeTypes.split(',').forEach((mime) => {
accept.push(mime);
if (mime.trim() in mapping) {
accept = accept.concat(mapping[mime.trim()]);
}
});
return accept.join(',');
}
/**
* FileSource web component
*/
export class FileSource extends ScopedElementsMixin(DbpFileHandlingLitElement) {
constructor() {
super();
this.context = '';
this._i18n = createInstance();
this.lang = this._i18n.language;
this.nextcloudAuthUrl = '';
this.nextcloudName ='Nextcloud';
this.nextcloudWebDavUrl = '';
this.nextcloudPath = '';
this.nextcloudFileURL = '';
this.nextcloudStoreSession = false;
this.dropArea = null;
this.allowedMimeTypes = '';
this.enabledTargets = 'local';
this.buttonLabel = '';
this.disabled = false;
this.decompressZip = false;
this._queueKey = 0;
this.activeTarget = 'local';
this.isDialogOpen = false;
this.firstOpen = true;
this.nextcloudAuthInfo = '';
this.maxFileSize = '';
this.multipleFiles = Number.MAX_VALUE;
this.initialFileHandlingState = {target: '', path: ''};
}
static get scopedElements() {
return {
'dbp-icon': Icon,
'dbp-mini-spinner': MiniSpinner,
'dbp-nextcloud-file-picker': NextcloudFilePicker, 'dbp-clipboard': Clipboard,
};
}
/**
* See: https://lit-element.polymer-project.org/guide/properties#initialize
*/
static get properties() {
return {
...super.properties,
context: { type: String, attribute: 'context'},
lang: { type: String },
allowedMimeTypes: { type: String, attribute: 'allowed-mime-types' },
enabledTargets: { type: String, attribute: 'enabled-targets' },
nextcloudAuthUrl: { type: String, attribute: 'nextcloud-auth-url' },
nextcloudWebDavUrl: { type: String, attribute: 'nextcloud-web-dav-url' },
nextcloudName: { type: String, attribute: 'nextcloud-name' },
nextcloudFileURL: { type: String, attribute: 'nextcloud-file-url' },
nextcloudAuthInfo: {type: String, attribute: 'nextcloud-auth-info'},
nextcloudStoreSession: {type: Boolean, attribute: 'nextcloud-store-session'},
buttonLabel: { type: String, attribute: 'button-label' },
disabled: { type: Boolean },
decompressZip: { type: Boolean, attribute: 'decompress-zip' },
activeTarget: { type: String, attribute: 'active-target' },
isDialogOpen: { type: Boolean, attribute: 'dialog-open' },
maxFileSize: { type: Number, attribute: 'max-file-size'},
multipleFiles: { type: Number, attribute: 'number-of-files'},
initialFileHandlingState: {type: Object, attribute: 'initial-file-handling-state'},
};
}
update(changedProperties) {
changedProperties.forEach((oldValue, propName) => {
switch (propName) {
case "lang":
this._i18n.changeLanguage(this.lang);
break;
case "enabledTargets":
if (!this.hasEnabledSource(this.activeTarget)) {
this.activeTarget = this.enabledTargets.split(",")[0];
}
break;
case "isDialogOpen":
if (this.isDialogOpen) {
// this.setAttribute("dialog-open", "");
this.openDialog();
} else {
this.removeAttribute("dialog-open");
// this.closeDialog();
}
break;
case "initialFileHandlingState":
//check if default destination is set
if (this.firstOpen) {
this.nextcloudPath = this.initialFileHandlingState.path;
}
break;
case "activeTarget":
if (this.activeTarget === "nextcloud") {
this.loadWebdavDirectory();
}
break;
}
});
super.update(changedProperties);
}
connectedCallback() { super.connectedCallback();
this.updateComplete.then(() => {
this.dropArea = this._('#dropArea');
['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {
this.dropArea.addEventListener(eventName, this.preventDefaults, false);
});
['dragenter', 'dragover'].forEach(eventName => {
this.dropArea.addEventListener(eventName, this.highlight.bind(this), false);
});
['dragleave', 'drop'].forEach(eventName => {
this.dropArea.addEventListener(eventName, this.unhighlight.bind(this), false);
});
this.dropArea.addEventListener('drop', this.handleDrop.bind(this), false);
this._('#fileElem').addEventListener('change', this.handleChange.bind(this, this._('#fileElem')));
this._('nav.modal-nav').addEventListener("scroll", this.handleScroll.bind(this));
this._('.right-paddle').addEventListener("click", this.handleScrollRight.bind(this, this._('nav.modal-nav')));
this._('.left-paddle').addEventListener("click", this.handleScrollLeft.bind(this, this._('nav.modal-nav')));
});
}
disconnectedCallback() {
super.disconnectedCallback();
}
preventDefaults (e) {
e.preventDefault();
e.stopPropagation();
}
highlight(e) {
this.dropArea.classList.add('highlight');
}
unhighlight(e) {
this.dropArea.classList.remove('highlight');
}
handleDrop(e) {
if (this.disabled) {
return;
}
let dt = e.dataTransfer;
// console.dir(dt);
let files = dt.files;
this.handleFiles(files);
}
async handleChange(element) {
let fileElem = element;
if (fileElem.files.length === 0) {
return;
}
await this.handleFiles(fileElem.files);
// reset the element's value so the user can upload the same file(s) again
fileElem.value = '';
}
/** * Handles files that were dropped to or selected in the component
*
* @param files
* @returns {Promise<void>}
*/
async handleFiles(files) {
// console.log('handleFiles: files.length = ' + files.length);
// this.dispatchEvent(new CustomEvent("dbp-file-source-selection-start",
// { "detail": {}, bubbles: true, composed: true }));
let fileCount = files.length;
await commonUtils.asyncArrayForEach(files, async (file, index) => {
if (file.size === 0) {
console.log('file \'' + file.name + '\' has size=0 and is denied!');
return;
}
if(!this.checkSize(file)) {
return;
}
// check if we want to decompress the zip and queue the contained files
if (this.decompressZip
&& (file.type === "application/zip" || file.type === "application/x-zip-compressed")) {
// add decompressed files to tempFilesToHandle
await commonUtils.asyncArrayForEach(
await this.decompressZIP(file), (file, index, array) => {
fileCount = index === array.length - 1 ? fileCount : fileCount + 1;
this.sendFileEvent(file,fileCount);
});
return;
} else if (this.allowedMimeTypes && !this.checkFileType(file) ) {
return;
}
await this.sendFileEvent(file, fileCount);
});
// this.dispatchEvent(new CustomEvent("dbp-file-source-selection-finished",
// { "detail": {}, bubbles: true, composed: true }));
const event = new CustomEvent("dbp-file-source-file-upload-finished", { "detail": {count: fileCount}, bubbles: true, composed: true });
this.dispatchEvent(event);
this.closeDialog();
}
/**
* @param file
* @param maxUpload
*/
sendFileEvent(file, maxUpload) {
this.sendSource();
MicroModal.close(this._('#modal-picker'));
const data = {"file": file, "maxUpload": maxUpload};
const event = new CustomEvent("dbp-file-source-file-selected", { "detail": data, bubbles: true, composed: true });
this.dispatchEvent(event);
}
sendSource() {
let data = {};
if (this.activeTarget === 'nextcloud') {
data = {"target": this.activeTarget, "path": this._("#nextcloud-file-picker").directoryPath};
} else {
data = {"target": this.activeTarget};
}
this.sendSetPropertyEvent('initial-file-handling-state', data);
}
checkFileType(file) {
const i18n = this._i18n;
// check if file is allowed const [fileMainType, fileSubType] = file.type.split('/');
const mimeTypes = this.allowedMimeTypes.split(',');
let deny = true;
mimeTypes.forEach((str) => {
const [mainType, subType] = str.split('/');
deny = deny && ((mainType !== '*' && mainType !== fileMainType) || (subType !== '*' && subType !== fileSubType));
});
if (deny) {
console.log(`mime type ${file.type} of file '${file.name}' is not compatible with ${this.allowedMimeTypes}`);
send({
"summary": i18n.t('file-source.mime-type-title'),
"body": i18n.t('file-source.mime-type-body'),
"type": "danger",
"timeout": 5,
});
return false;
}
return true;
}
checkSize(file) {
const i18n = this._i18n;
if ( this.maxFileSize !== '' && (this.maxFileSize * 1000) <= file.size ) {
send({
"summary": i18n.t('file-source.too-big-file-title'),
"body": i18n.t('file-source.too-big-file-body', {size: humanFileSize(this.maxFileSize * 1000, true)}),
"type": "danger",
"timeout": 5,
});
return false;
}
return true;
}
hasEnabledSource(source) {
return this.enabledTargets.split(',').includes(source);
}
/**
* Decompress files synchronously
*
* @param file
* @returns {Promise<Array>}
*/
async decompressZIP(file) {
// see: https://stuk.github.io/jszip/
let JSZip = (await import('jszip/dist/jszip.js')).default;
let filesToHandle = [];
// load zip file
await JSZip.loadAsync(file)
.then(async (zip) => {
// we are not using zip.forEach because we need to handle those files synchronously which
// isn't supported by JSZip (see https://github.com/Stuk/jszip/issues/281)
// using zip.files directly works great!
await commonUtils.asyncObjectForEach(zip.files, async (zipEntry) => {
// skip directory entries
if (zipEntry.dir) {
return;
}
await zipEntry.async("blob")
.then(async (blob) => {
// get mime type of Blob, see https://github.com/Stuk/jszip/issues/626
const mimeType = await commonUtils.getMimeTypeOfFile(blob);
// create new file with name and mime type
const zipEntryFile = new File([blob], zipEntry.name, { type: mimeType });
// check mime type
if (!this.checkFileType(zipEntryFile)) {
return;
}
filesToHandle.push(zipEntryFile);
}, (e) => {
// handle the error
console.error("Decompressing of file in " + file.name + " failed: " + e.message);
});
});
}, function (e) {
// handle the error
console.error("Loading of " + file.name + " failed: " + e.message);
});
// no suitable files found
if (filesToHandle.length === 0) {
const i18n = this._i18n;
console.error('ZIP file does not contain any files of ' + this.allowedMimeTypes);
//throw new Error('ZIP file does not contain any files of ' + this.allowedMimeTypes);
send({
"summary": i18n.t('file-source.no-usable-files-in-zip'),
"body": i18n.t('file-source.no-usable-files-hint') + this.allowedMimeTypes,
"type": 'danger',
"timeout": 0,
});
}
return filesToHandle;
}
async sendFinishedEvent(response, file, sendFile = false) {
if (response === undefined) {
return;
}
let data = {
fileName: file.name,
status: response.status,
json: {"hydra:description": ""}
};
try {
await response.json().then((json) => {
data.json = json;
});
} catch (e) {
//
}
if (sendFile) {
data.file = file;
}
const event = new CustomEvent("dbp-file-source-file-finished", { "detail": data, bubbles: true, composed: true });
this.dispatchEvent(event);
}
loadWebdavDirectory() {
const filePicker = this._('#nextcloud-file-picker');
// check if element is already in the dom (for example if "dialog-open" attribute is set)
if (filePicker) {
filePicker.checkLocalStorage().then(contents => {
if (filePicker.webDavClient !== null) {
filePicker.loadDirectory(filePicker.directoryPath);
}
});
}
}
openDialog() {
if (this.enabledTargets.includes('nextcloud')) {
this.loadWebdavDirectory();
}
if (this.enabledTargets.includes('clipboard') && this._("#clipboard-file-picker")) {
this._("#clipboard-file-picker").generateClipboardTable();
}
const filePicker = this._('#modal-picker');
// check if element is already^ in the dom (for example if "dialog-open" attribute is set)
if (filePicker) {
MicroModal.show(filePicker, {
disableScroll: true,
onClose: modal => {
this.isDialogOpen = false;
const filePicker = this._('#nextcloud-file-picker');
if (filePicker) {
filePicker.selectAllButton = true;}
}
});
}
//check if default source is set
if (this.initialFileHandlingState.target !== '' && typeof this.initialFileHandlingState.target !== 'undefined' && this.firstOpen) {
this.activeDestination = this.initialFileHandlingState.target;
this.nextcloudPath = this.initialFileHandlingState.path;
const filePicker = this._('#nextcloud-file-picker');
if (filePicker && filePicker.webDavClient !== null) {
filePicker.loadDirectory(this.initialFileHandlingState.path);
//console.log("load default nextcloud source", this.initialFileHandlingState.target);
}
this.firstOpen = false;
}
}
closeDialog() {
this.sendSource();
if (this.enabledTargets.includes('nextcloud')) {
const filePicker = this._('#nextcloud-file-picker');
if (filePicker && filePicker.tabulatorTable) {
filePicker.tabulatorTable.deselectRow();
if (filePicker._('#select_all')) {
filePicker._("#select_all").checked = false;
}
}
}
if (this.enabledTargets.includes('clipboard')) {
const filePicker = this._('#clipboard-file-picker');
if (filePicker && filePicker.tabulatorTable) {
filePicker.numberOfSelectedFiles = 0;
filePicker.tabulatorTable.deselectRow();
if (filePicker._('#select_all')) {
filePicker._("#select_all").checked = false;
}
}
}
MicroModal.close(this._('#modal-picker'));
}
getClipboardHtml() {
if (this.enabledTargets.includes('clipboard')) {
return html`
<dbp-clipboard
id="clipboard-file-picker"
mode="file-source"
subscribe="clipboard-files:clipboard-files"
lang="${this.lang}"
auth-url="${this.nextcloudAuthUrl}"
enabled-targets="${this.enabledTargets}"
nextcloud-auth-url="${this.nextcloudAuthUrl}"
nextcloud-web-dav-url="${this.nextcloudWebDavUrl}"
nextcloud-name="${this.nextcloudName}"
nextcloud-file-url="${this.nextcloudFileURL}"
allowed-mime-types="${this.allowedMimeTypes}"
@dbp-clipboard-file-picker-file-downloaded="${(event) => {
this.sendFileEvent(event.detail.file);}}">
</dbp-clipboard>`;
}
return html``;
}
getNextcloudHtml() {
if (this.enabledTargets.includes('nextcloud') && this.nextcloudWebDavUrl !== "" && this.nextcloudAuthUrl !== "") {
return html`
<dbp-nextcloud-file-picker id="nextcloud-file-picker"
class="${classMap({hidden: this.nextcloudWebDavUrl === "" || this.nextcloudAuthUrl === ""})}"
?disabled="${this.disabled}"
lang="${this.lang}"
subscribe="html-overrides,auth"
auth-url="${this.nextcloudAuthUrl}"
web-dav-url="${this.nextcloudWebDavUrl}"
nextcloud-name="${this.nextcloudName}"
nextcloud-file-url="${this.nextcloudFileURL}"
?store-nextcloud-session="${this.nextcloudStoreSession}"
auth-info="${this.nextcloudAuthInfo}"
allowed-mime-types="${this.allowedMimeTypes}"
max-selected-items="${this.multipleFiles}"
@dbp-nextcloud-file-picker-file-downloaded="${(event) => {
this.sendFileEvent(event.detail.file, event.detail.maxUpload);}}">
</dbp-nextcloud-file-picker>`;
}
return html``;
}
static get styles() {
// language=css
return css`
${commonStyles.getThemeCSS()}
${commonStyles.getGeneralCSS()}
${commonStyles.getButtonCSS()}
${commonStyles.getModalDialogCSS()}
${fileHandlingStyles.getFileHandlingCss()}
p {
margin-top: 0;
}
.block {
margin-bottom: 10px;
}
#dropArea {
border: var(--FUBorderWidth, 2px) var(--FUBorderStyle, dashed) var(--FUBBorderColor, black);
border-radius: var(--FUBorderRadius, 0); width: auto;
margin: var(--FUMargin, 0px);
padding: var(--FUPadding, 20px);
flex-grow: 1;
height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
text-align: center;
}
#dropArea.highlight {
border-color: var(--FUBorderColorHighlight, purple);
}
#clipboard-file-picker{
width: 100%;
height: 100%;
}
.paddle {
position: absolute;
background-color: #ffffffd1;
top: 0px;
padding: 0px 5px;
box-sizing: content-box;
height: 100%;
}
.right-paddle{
right: 0px;
}
.left-paddle{
left: 0px;
}
.nav-wrapper{
position: relative;
display: block;
overflow-x: auto;
border:none;
}
.paddles{
display: none;
}
.modal-nav{
height: 100%;
}
@media only screen
and (orientation: portrait)
and (max-width: 768px) {
#dropArea{
height: 100%;
}
}
@media only screen
and (orientation: portrait)
and (max-width: 340px) {
.paddles{ display: inherit;
}
}
`;
}
render() {
const i18n = this._i18n;
let allowedMimeTypes = this.allowedMimeTypes;
if (this.decompressZip && this.allowedMimeTypes !== "") {
allowedMimeTypes += ",application/zip,application/x-zip-compressed";
}
let inputFile = html``;
if (this.multipleFiles > 1 || this.multipleFiles === true ) {
inputFile = html `<input ?disabled="${this.disabled}"
type="file"
id="fileElem"
multiple
accept="${mimeTypesToAccept(allowedMimeTypes)}"
name='file'>`;
} else {
inputFile = html `<input ?disabled="${this.disabled}"
type="file"
id="fileElem"
accept="${mimeTypesToAccept(allowedMimeTypes)}"
name='file'>`;
}
return html`
<!--
<button class="button"
?disabled="${this.disabled}"
@click="${() => { this.openDialog(); }}">${i18n.t('file-source.open-menu')}</button>
-->
<div class="modal micromodal-slide" id="modal-picker" aria-hidden="true">
<div class="modal-overlay" tabindex="-1" data-micromodal-close>
<div class="modal-container" role="dialog" aria-modal="true" aria-labelledby="modal-picker-title">
<div class="nav-wrapper modal-nav">
<nav class="modal-nav">
<div title="${i18n.t('file-source.nav-local')}"
@click="${() => { this.activeTarget = "local"; }}"
class="${classMap({"active": this.activeTarget === "local", hidden: !this.hasEnabledSource("local")})}">
<dbp-icon class="nav-icon" name="laptop"></dbp-icon>
<p>${i18n.t('file-source.nav-local')}</p>
</div>
<div title="Nextcloud"
@click="${() => { this.activeTarget = "nextcloud";}}"
class="${classMap({"active": this.activeTarget === "nextcloud", hidden: !this.hasEnabledSource("nextcloud") || this.nextcloudWebDavUrl === "" || this.nextcloudAuthUrl === ""})}">
<dbp-icon class="nav-icon" name="cloud"></dbp-icon>
<p> ${this.nextcloudName} </p>
</div>
<div title="${i18n.t('file-source.clipboard')}"
@click="${() => { this.activeTarget = "clipboard"; }}"
class="${classMap({"active": this.activeTarget === "clipboard", hidden: !this.hasEnabledSource("clipboard") })}">
<dbp-icon class="nav-icon" name="clipboard"></dbp-icon>
<p>${i18n.t('file-source.clipboard')}</p>
</div>
</nav>
<div class="paddles">
<dbp-icon class="left-paddle paddle hidden" name="chevron-left" class="close-icon"></dbp-icon>
<dbp-icon class="right-paddle paddle" name="chevron-right" class="close-icon"></dbp-icon>
</div>
</div>
<div class="modal-header">
<button title="${i18n.t('file-source.modal-close')}" class="modal-close" aria-label="Close modal" @click="${() => {this.closeDialog();}}">
<dbp-icon name="close" class="close-icon"></dbp-icon>
</button>
<p class="modal-context"> ${this.context}</p>
</div>
<main class="modal-content" id="modal-picker-content">
<div class="source-main ${classMap({"hidden": this.activeTarget !== "local"})}">
<div id="dropArea">
<div class="block">
<p>${i18n.t('intro')}</p>
</div>
${inputFile}
<label class="button is-primary" for="fileElem" ?disabled="${this.disabled}">
${this.buttonLabel || i18n.t('upload-label')}
</label>
</div>
</div>
<div class="source-main ${classMap({"hidden": this.activeTarget !== "nextcloud" || this.nextcloudWebDavUrl === "" || this.nextcloudAuthUrl === ""})}">
${this.getNextcloudHtml()}
</div>
<div class="source-main ${classMap({"hidden": (this.activeTarget !== "clipboard")})}">
${this.getClipboardHtml()}
</div>
</main>
</div>
</div>
</div>
`;
}
}