diff --git a/packages/resource-select/.eslintignore b/packages/resource-select/.eslintignore
new file mode 100644
index 0000000000000000000000000000000000000000..7b596da7b5a30a2b742e9bc9bc8002606940e18a
--- /dev/null
+++ b/packages/resource-select/.eslintignore
@@ -0,0 +1,3 @@
+/vendor/**
+/dist/**
+/*.js
\ No newline at end of file
diff --git a/packages/resource-select/.eslintrc.json b/packages/resource-select/.eslintrc.json
new file mode 100644
index 0000000000000000000000000000000000000000..fa3ff177933ba9b421ff80decf79b7d35ac03c0f
--- /dev/null
+++ b/packages/resource-select/.eslintrc.json
@@ -0,0 +1,4 @@
+{
+ "root": true,
+ "extends": "./../../eslint.common.json"
+}
diff --git a/packages/resource-select/.gitignore b/packages/resource-select/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..e62f92aa809c7345cb05914d7143b0322ab6d725
--- /dev/null
+++ b/packages/resource-select/.gitignore
@@ -0,0 +1,5 @@
+dist
+node_modules
+.idea
+npm-debug.log
+package-lock.json
diff --git a/packages/resource-select/.npmignore b/packages/resource-select/.npmignore
new file mode 100644
index 0000000000000000000000000000000000000000..bd8138ceb1b9d6026edec0d20ac4be9940d5cf73
--- /dev/null
+++ b/packages/resource-select/.npmignore
@@ -0,0 +1,5 @@
+node_modules
+.idea
+npm-debug.log
+package-lock.json
+index.html
diff --git a/packages/resource-select/.prettierignore b/packages/resource-select/.prettierignore
new file mode 100644
index 0000000000000000000000000000000000000000..68e724f6c0751675600c23ca3c70dd28bac7ce2a
--- /dev/null
+++ b/packages/resource-select/.prettierignore
@@ -0,0 +1,3 @@
+node_modules/
+/dist
+/vendor
diff --git a/packages/resource-select/.prettierrc.json b/packages/resource-select/.prettierrc.json
new file mode 100644
index 0000000000000000000000000000000000000000..fecd75dc82be60e441465a1b88059c64b8622d71
--- /dev/null
+++ b/packages/resource-select/.prettierrc.json
@@ -0,0 +1,16 @@
+{
+ "bracketSpacing": false,
+ "singleQuote": true,
+ "tabWidth": 4,
+ "printWidth": 100,
+ "bracketSameLine": true,
+ "htmlWhitespaceSensitivity": "ignore",
+ "overrides": [
+ {
+ "files": "*.js",
+ "options": {
+ "semi": true
+ }
+ }
+ ]
+}
diff --git a/packages/resource-select/LICENSE b/packages/resource-select/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..4362b49151d7b34ef83b3067a8f9c9f877d72a0e
--- /dev/null
+++ b/packages/resource-select/LICENSE
@@ -0,0 +1,502 @@
+ GNU LESSER GENERAL PUBLIC LICENSE
+ Version 2.1, February 1999
+
+ Copyright (C) 1991, 1999 Free Software Foundation, Inc.
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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diff --git a/packages/resource-select/README.md b/packages/resource-select/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..0ff89144bbbc78c00d50d29f5ee7c715ff98e14c
--- /dev/null
+++ b/packages/resource-select/README.md
@@ -0,0 +1,51 @@
+# Resource Select Web Component
+
+You can install this component via npm:
+
+```bash
+npm i @dbp-toolkit/resource-select
+```
+
+## Usage
+
+```html
+<dbp-resource-select></dbp-resource-select>
+<script type="module" src="node_modules/@dbp-toolkit/resource-select/dist/dbp-resource-select.js"></script>
+```
+
+Or directly via CDN:
+
+```html
+<dbp-resource-select></dbp-resource-select>
+<script type="module" src="https://unpkg.com/@dbp-toolkit/resource-select@latest/dist/dbp-resource-select.js"></script>
+```
+
+## Attributes
+
+- `lang` (optional, default: `de`): set to `de` or `en` for German or English
+ - example `<dbp-resource-select lang="de"></dbp-resource-select>`
+- `entry-point-url`: entry point url to access the api
+ - example `<dbp-resource-select entry-point-url="http://127.0.0.1:8000"></dbp-resource-select>`
+- `resource-path` (optional): path to the resource
+ - example `<dbp-resource-select resource-path="base/people"></dbp-resource-select>`
+- `value` (optional): api path of recource to preload the selector with
+ - example `<dbp-resource-select value="/base/people/testuser"></dbp-resource-select>`
+ - the `value` will also be set automatically when an organization is chosen in the selector
+
+## Properties
+
+- `valueObject` (optional): The resource object corresponding to `value`
+- `auth` {object}: you need to set that object property for the auth token
+ - example auth property: `{token: "THE_BEARER_TOKEN"}`
+ - note: most often this should be a property that is not set directly, but subscribed at a provider
+
+## Events
+
+- `change` - Gets dispatched when either `value` or `valueObject` change.
+ - `event.detail.value` - Same as the `value` property
+ - `event.detail.object` - Same as the `valueObject` property
+- `build-url` - Gets dispatched when during URL building.
+ - `event.detail.url` - Set this to the URL representing the collection endpoint
+- `format-resource` - Gets dispatched when creating the display test for earch resource.
+ - `event.detail.object` - The resource that which should be represented by the text
+ - `event.detail.text` - Set this to the text that should be displayed
diff --git a/packages/resource-select/assets/index.html b/packages/resource-select/assets/index.html
new file mode 100644
index 0000000000000000000000000000000000000000..42bb7edc4d5310b5d9e882709a171d969b51693f
--- /dev/null
+++ b/packages/resource-select/assets/index.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<html>
+<head>
+ <meta charset="UTF-8">
+ <script type="module" src="dbp-resource-select-demo.js"></script>
+</head>
+
+<body>
+
+<dbp-resource-select-demo auth requested-login-status lang="de" entry-point-url="http://127.0.0.1:8000"></dbp-resource-select-demo>
+</body>
+</html>
diff --git a/packages/resource-select/assets/silent-check-sso.html b/packages/resource-select/assets/silent-check-sso.html
new file mode 100644
index 0000000000000000000000000000000000000000..94fe2268cbd7ff3f752f2093bb3cddd6d10b6388
--- /dev/null
+++ b/packages/resource-select/assets/silent-check-sso.html
@@ -0,0 +1,7 @@
+<html>
+<body>
+ <script>
+ parent.postMessage(location.href, location.origin)
+ </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/packages/resource-select/i18next-scanner.config.js b/packages/resource-select/i18next-scanner.config.js
new file mode 100644
index 0000000000000000000000000000000000000000..f0f86ce027f31d591de02dee8cd05089203735b5
--- /dev/null
+++ b/packages/resource-select/i18next-scanner.config.js
@@ -0,0 +1,14 @@
+module.exports = {
+ input: ['src/*.js'],
+ output: './',
+ options: {
+ debug: false,
+ removeUnusedKeys: true,
+ func: {list: ['i18n.t', '_i18n.t']},
+ lngs: ['en', 'de'],
+ resource: {
+ loadPath: 'src/i18n/{{lng}}/{{ns}}.json',
+ savePath: 'src/i18n/{{lng}}/{{ns}}.json',
+ },
+ },
+};
diff --git a/packages/resource-select/karma.conf.js b/packages/resource-select/karma.conf.js
new file mode 100644
index 0000000000000000000000000000000000000000..ca038af2286e2ad631f1c58d7216fbe4054e4199
--- /dev/null
+++ b/packages/resource-select/karma.conf.js
@@ -0,0 +1 @@
+module.exports = require('../../karma.common.conf.js');
diff --git a/packages/resource-select/package.json b/packages/resource-select/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..4d25faf5b9b74e98f3fe6ca5cfba88c4daeeb10f
--- /dev/null
+++ b/packages/resource-select/package.json
@@ -0,0 +1,64 @@
+{
+ "name": "@dbp-toolkit/resource-select",
+ "homepage": "https://gitlab.tugraz.at/dbp/web-components/toolkit/-/tree/master/packages/resource-select",
+ "version": "0.1.0",
+ "main": "src/index.js",
+ "license": "LGPL-2.1-or-later",
+ "repository": {
+ "type": "git",
+ "url": "https://gitlab.tugraz.at/dbp/web-components/toolkit.git",
+ "directory": "packages/resource-select"
+ },
+ "publishConfig": {
+ "registry": "https://registry.npmjs.org",
+ "access": "public"
+ },
+ "devDependencies": {
+ "@esm-bundle/chai": "^4.2.0",
+ "@rollup/plugin-commonjs": "^21.0.0",
+ "@rollup/plugin-json": "^4.1.0",
+ "@rollup/plugin-node-resolve": "^13.0.0",
+ "@rollup/plugin-replace": "^4.0.0",
+ "@rollup/plugin-url": "^6.0.0",
+ "eslint": "^8.0.0",
+ "eslint-plugin-jsdoc": "^38.0.0",
+ "i18next-scanner": "^3.0.0",
+ "karma": "^6.0.0",
+ "karma-chrome-launcher": "^3.0.0",
+ "karma-firefox-launcher": "^2.1.0",
+ "karma-mocha": "^2.0.1",
+ "mocha": "^9.0.0",
+ "prettier": "^2.5.1",
+ "rollup": "^2.33.3",
+ "rollup-plugin-copy": "^3.1.0",
+ "rollup-plugin-delete": "^2.0.0",
+ "rollup-plugin-serve": "^1.0.1",
+ "rollup-plugin-terser": "^7.0.2"
+ },
+ "dependencies": {
+ "@dbp-toolkit/auth": "^0.3.0",
+ "@dbp-toolkit/common": "^0.3.0",
+ "@open-wc/scoped-elements": "^2.0.0",
+ "jquery": "^3.4.1",
+ "lit": "^2.0.0",
+ "select2": "^4.0.10"
+ },
+ "scripts": {
+ "clean": "rm dist/*",
+ "format": "yarn run format:eslint && yarn run format:prettier",
+ "format:eslint": "eslint \"**/*.{js,ts}\" --fix",
+ "format:prettier": "prettier \"**/*.{js,json,ts}\" --write",
+ "build": "npm run build-local",
+ "build-local": "rollup -c",
+ "build-dev": "rollup -c --environment BUILD:development",
+ "build-prod": "rollup -c --environment BUILD:production",
+ "build-demo": "rollup -c --environment BUILD:demo",
+ "build-test": "rollup -c --environment BUILD:test",
+ "i18next": "i18next-scanner",
+ "watch": "npm run watch-local",
+ "watch-local": "rollup -c --watch",
+ "watch-dev": "rollup -c --watch --environment BUILD:development",
+ "test": "npm run build-test && karma start --singleRun",
+ "lint": "eslint ."
+ }
+}
diff --git a/packages/resource-select/rollup.config.js b/packages/resource-select/rollup.config.js
new file mode 100644
index 0000000000000000000000000000000000000000..f7312b6a45539855f070a295245c087179b5bbcf
--- /dev/null
+++ b/packages/resource-select/rollup.config.js
@@ -0,0 +1,57 @@
+import glob from 'glob';
+import resolve from '@rollup/plugin-node-resolve';
+import commonjs from '@rollup/plugin-commonjs';
+import copy from 'rollup-plugin-copy';
+import {terser} from 'rollup-plugin-terser';
+import json from '@rollup/plugin-json';
+import serve from 'rollup-plugin-serve';
+import url from '@rollup/plugin-url';
+import del from 'rollup-plugin-delete';
+import {getPackagePath, getDistPath} from '../../rollup.utils.js';
+
+const build = typeof process.env.BUILD !== 'undefined' ? process.env.BUILD : 'local';
+console.log('build: ' + build);
+
+export default (async () => {
+ return {
+ input:
+ build != 'test'
+ ? ['src/dbp-resource-select.js', 'src/dbp-resource-select-demo.js']
+ : glob.sync('test/**/*.js'),
+ output: {
+ dir: 'dist',
+ entryFileNames: '[name].js',
+ chunkFileNames: 'shared/[name].[hash].[format].js',
+ format: 'esm',
+ sourcemap: true,
+ },
+ plugins: [
+ del({
+ targets: 'dist/*',
+ }),
+ resolve(),
+ commonjs(),
+ url({
+ limit: 0,
+ include: [await getPackagePath('select2', '**/*.css')],
+ emitFiles: true,
+ fileName: 'shared/[name].[hash][extname]',
+ }),
+ json(),
+ build !== 'local' && build !== 'test' ? terser() : false,
+ copy({
+ targets: [
+ {src: 'assets/index.html', dest: 'dist'},
+ {src: 'assets/silent-check-sso.html', dest: 'dist'},
+ {
+ src: await getPackagePath('@dbp-toolkit/common', 'assets/icons/*.svg'),
+ dest: 'dist/' + (await getDistPath('@dbp-toolkit/common', 'icons')),
+ },
+ ],
+ }),
+ process.env.ROLLUP_WATCH === 'true'
+ ? serve({contentBase: 'dist', host: '127.0.0.1', port: 8002})
+ : false,
+ ],
+ };
+})();
diff --git a/packages/resource-select/src/dbp-resource-select-demo.js b/packages/resource-select/src/dbp-resource-select-demo.js
new file mode 100644
index 0000000000000000000000000000000000000000..ee23176afe0c38d9057f408b3bdf7121e93a0095
--- /dev/null
+++ b/packages/resource-select/src/dbp-resource-select-demo.js
@@ -0,0 +1,127 @@
+import {createInstance} from './i18n.js';
+import {css, html} from 'lit';
+import {ScopedElementsMixin} from '@open-wc/scoped-elements';
+import {ResourceSelect} from './resource-select.js';
+import {AuthKeycloak, LoginButton} from '@dbp-toolkit/auth';
+import * as commonUtils from '@dbp-toolkit/common/utils';
+import * as commonStyles from '@dbp-toolkit/common/styles';
+import DBPLitElement from '@dbp-toolkit/common/dbp-lit-element';
+
+export class ResourceSelectDemo extends ScopedElementsMixin(DBPLitElement) {
+ constructor() {
+ super();
+ this._i18n = createInstance();
+ this.lang = this._i18n.language;
+ this.entryPointUrl = '';
+ this.noAuth = false;
+ }
+
+ static get scopedElements() {
+ return {
+ 'dbp-auth-keycloak': AuthKeycloak,
+ 'dbp-login-button': LoginButton,
+ 'dbp-resource-select': ResourceSelect,
+ };
+ }
+
+ static get properties() {
+ return {
+ ...super.properties,
+ lang: {type: String},
+ entryPointUrl: {type: String, attribute: 'entry-point-url'},
+ noAuth: {type: Boolean, attribute: 'no-auth'},
+ };
+ }
+
+ update(changedProperties) {
+ if (changedProperties.has('lang')) {
+ this._i18n.changeLanguage(this.lang);
+ }
+ super.update(changedProperties);
+ }
+
+ static get styles() {
+ // language=css
+ return [
+ commonStyles.getThemeCSS(),
+ commonStyles.getGeneralCSS(),
+ css`
+ h1.title {
+ margin-bottom: 1em;
+ }
+ div.container {
+ margin-bottom: 1.5em;
+ }
+ `,
+ ];
+ }
+
+ getAuthComponentHtml() {
+ return this.noAuth
+ ? html`
+ <dbp-login-button subscribe="auth" lang="${this.lang}"></dbp-login-button>
+ `
+ : html`
+ <div class="container">
+ <dbp-auth-keycloak
+ subscribe="requested-login-status"
+ lang="${this.lang}"
+ entry-point-url="${this.entryPointUrl}"
+ silent-check-sso-redirect-uri="/silent-check-sso.html"
+ url="https://auth-dev.tugraz.at/auth"
+ realm="tugraz-vpu"
+ client-id="auth-dev-mw-frontend-local"
+ try-login></dbp-auth-keycloak>
+ <dbp-login-button subscribe="auth" lang="${this.lang}"></dbp-login-button>
+ </div>
+ `;
+ }
+
+ render() {
+ let buildUrl = (event) => {
+ let select = event.target;
+ let url = new URL(select.resourcePath, select.entryPointUrl).href;
+ url += '/' + encodeURIComponent(select.auth['person-id']);
+ url += '/organizations';
+ url += '?' + new URLSearchParams({lang: select.lang}).toString();
+ event.detail.url = url;
+ };
+
+ let formatResource = (event) => {
+ event.detail.text = event.detail.object.name;
+ };
+
+ let change = (event) => {
+ console.log('change:', event.detail.value, event.detail.object);
+ };
+
+ return html`
+ <section class="section">
+ <div class="container">
+ <h1 class="title">resource-select-Demo</h1>
+ </div>
+ ${this.getAuthComponentHtml()}
+ <div class="container">
+ <form>
+ <div class="field">
+ <label class="label">Organization of the current user</label>
+ <div class="control">
+ <dbp-resource-select
+ id="resource-select-library-manager"
+ subscribe="auth"
+ lang="${this.lang}"
+ entry-point-url="${this.entryPointUrl}"
+ resource-path="base/people"
+ @change="${change}"
+ @build-url="${buildUrl}"
+ @format-resource="${formatResource}"></dbp-resource-select>
+ </div>
+ </div>
+ </form>
+ </div>
+ </section>
+ `;
+ }
+}
+
+commonUtils.defineCustomElement('dbp-resource-select-demo', ResourceSelectDemo);
diff --git a/packages/resource-select/src/dbp-resource-select.js b/packages/resource-select/src/dbp-resource-select.js
new file mode 100644
index 0000000000000000000000000000000000000000..cd22a6761c192ff4fa3898830b834028af469f00
--- /dev/null
+++ b/packages/resource-select/src/dbp-resource-select.js
@@ -0,0 +1,4 @@
+import * as commonUtils from '@dbp-toolkit/common/utils';
+import {ResourceSelect} from './resource-select.js';
+
+commonUtils.defineCustomElement('dbp-resource-select', ResourceSelect);
diff --git a/packages/resource-select/src/demo.js b/packages/resource-select/src/demo.js
new file mode 100644
index 0000000000000000000000000000000000000000..b12642e13f8ddb39d0f589f37d2707863fffec1f
--- /dev/null
+++ b/packages/resource-select/src/demo.js
@@ -0,0 +1 @@
+import './dbp-resource-select-demo.js';
diff --git a/packages/resource-select/src/hydra.js b/packages/resource-select/src/hydra.js
new file mode 100644
index 0000000000000000000000000000000000000000..66be078384f14b3fc59b0f3d94628f8ccac68a8e
--- /dev/null
+++ b/packages/resource-select/src/hydra.js
@@ -0,0 +1,21 @@
+/**
+ * @param {string} url
+ * @param {string} token
+ * @returns {Array}
+ */
+export async function getCollection(url, token) {
+ let response = await fetch(url, {
+ headers: {
+ 'Content-Type': 'application/ld+json',
+ Authorization: 'Bearer ' + token,
+ },
+ });
+
+ if (!response.ok) {
+ throw new Error(response.statusText);
+ }
+
+ let data = await response.json();
+
+ return data['hydra:member'];
+}
diff --git a/packages/resource-select/src/i18n.js b/packages/resource-select/src/i18n.js
new file mode 100644
index 0000000000000000000000000000000000000000..0c6fedc883e4f02965df30acfb47fa37e11a268c
--- /dev/null
+++ b/packages/resource-select/src/i18n.js
@@ -0,0 +1,8 @@
+import {createInstance as _createInstance} from '@dbp-toolkit/common/i18next.js';
+
+import de from './i18n/de/translation.json';
+import en from './i18n/en/translation.json';
+
+export function createInstance() {
+ return _createInstance({en: en, de: de}, 'de', 'en');
+}
diff --git a/packages/resource-select/src/i18n/de/select2.js b/packages/resource-select/src/i18n/de/select2.js
new file mode 100644
index 0000000000000000000000000000000000000000..ef28f0baced16331b48a64da4c0674f963d83521
--- /dev/null
+++ b/packages/resource-select/src/i18n/de/select2.js
@@ -0,0 +1,46 @@
+/**
+ * Content from https://github.com/select2/select2/blob/master/src/js/select2/i18n/de.js
+ */
+export default function () {
+ // German
+ return {
+ errorLoading: function () {
+ return 'Die Ergebnisse konnten nicht geladen werden.';
+ },
+ inputTooLong: function (args) {
+ var overChars = args.input.length - args.maximum;
+
+ return 'Bitte ' + overChars + ' Zeichen weniger eingeben';
+ },
+ inputTooShort: function (args) {
+ var remainingChars = args.minimum - args.input.length;
+
+ return 'Bitte ' + remainingChars + ' Zeichen mehr eingeben';
+ },
+ loadingMore: function () {
+ return 'Lade mehr Ergebnisse…';
+ },
+ maximumSelected: function (args) {
+ var message = 'Sie können nur ' + args.maximum + ' Eintr';
+
+ if (args.maximum === 1) {
+ message += 'ag';
+ } else {
+ message += 'äge';
+ }
+
+ message += ' auswählen';
+
+ return message;
+ },
+ noResults: function () {
+ return 'Keine Ãœbereinstimmungen gefunden';
+ },
+ searching: function () {
+ return 'Suche…';
+ },
+ removeAllItems: function () {
+ return 'Auswahl aufheben';
+ },
+ };
+}
diff --git a/packages/resource-select/src/i18n/de/translation.json b/packages/resource-select/src/i18n/de/translation.json
new file mode 100644
index 0000000000000000000000000000000000000000..5b6d9e5901fd156091c5b2762d50227e962f0bc5
--- /dev/null
+++ b/packages/resource-select/src/i18n/de/translation.json
@@ -0,0 +1,6 @@
+{
+ "select": {
+ "placeholder": "Bitte wählen Sie einen Eintrag aus",
+ "loading": "Wird geladen..."
+ }
+}
diff --git a/packages/resource-select/src/i18n/en/select2.js b/packages/resource-select/src/i18n/en/select2.js
new file mode 100644
index 0000000000000000000000000000000000000000..81d70d7c2332d84e470ad4dfb43f2baf5a9e2a48
--- /dev/null
+++ b/packages/resource-select/src/i18n/en/select2.js
@@ -0,0 +1,50 @@
+/**
+ * Content from https://github.com/select2/select2/blob/master/src/js/select2/i18n/en.js
+ */
+export default function () {
+ // English
+ return {
+ errorLoading: function () {
+ return 'The results could not be loaded.';
+ },
+ inputTooLong: function (args) {
+ var overChars = args.input.length - args.maximum;
+
+ var message = 'Please delete ' + overChars + ' character';
+
+ if (overChars != 1) {
+ message += 's';
+ }
+
+ return message;
+ },
+ inputTooShort: function (args) {
+ var remainingChars = args.minimum - args.input.length;
+
+ var message = 'Please enter ' + remainingChars + ' or more characters';
+
+ return message;
+ },
+ loadingMore: function () {
+ return 'Loading more results…';
+ },
+ maximumSelected: function (args) {
+ var message = 'You can only select ' + args.maximum + ' item';
+
+ if (args.maximum != 1) {
+ message += 's';
+ }
+
+ return message;
+ },
+ noResults: function () {
+ return 'No results found';
+ },
+ searching: function () {
+ return 'Searching…';
+ },
+ removeAllItems: function () {
+ return 'Remove selection';
+ },
+ };
+}
diff --git a/packages/resource-select/src/i18n/en/translation.json b/packages/resource-select/src/i18n/en/translation.json
new file mode 100644
index 0000000000000000000000000000000000000000..afd030e91bb30788c3a9d989f320c24e726af2e0
--- /dev/null
+++ b/packages/resource-select/src/i18n/en/translation.json
@@ -0,0 +1,6 @@
+{
+ "select": {
+ "placeholder": "Please select an entry",
+ "loading": "Loading..."
+ }
+}
diff --git a/packages/resource-select/src/index.js b/packages/resource-select/src/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..cbcdbf8b8d56fec15308e9998e88a7e1ffc15dbe
--- /dev/null
+++ b/packages/resource-select/src/index.js
@@ -0,0 +1,3 @@
+import {ResourceSelect} from './resource-select.js';
+
+export {ResourceSelect};
diff --git a/packages/resource-select/src/resource-select.js b/packages/resource-select/src/resource-select.js
new file mode 100644
index 0000000000000000000000000000000000000000..bf33437a401b20eee7da247b2bf7040d8705137e
--- /dev/null
+++ b/packages/resource-select/src/resource-select.js
@@ -0,0 +1,275 @@
+import $ from 'jquery';
+import select2 from 'select2';
+import select2CSSPath from 'select2/dist/css/select2.min.css';
+import {createInstance} from './i18n.js';
+import {css, html} from 'lit';
+import * as commonUtils from '@dbp-toolkit/common/utils';
+import * as commonStyles from '@dbp-toolkit/common/styles';
+import select2LangDe from '@dbp-toolkit/resource-select/src/i18n/de/select2';
+import select2LangEn from '@dbp-toolkit/resource-select/src/i18n/en/select2';
+import {AdapterLitElement} from '@dbp-toolkit/provider/src/adapter-lit-element';
+import * as hydra from './hydra.js';
+
+export class ResourceSelect extends AdapterLitElement {
+ constructor() {
+ super();
+ this._i18n = createInstance();
+ this._resources = [];
+ this._url = null;
+ // For some reason using the same ID on the whole page twice breaks select2 (regardless if they are in different custom elements)
+ this._selectId = 'select-resource-' + commonUtils.makeId(24);
+
+ this.auth = {};
+ this.lang = this._i18n.language;
+ this.entryPointUrl = null;
+ this.resourcePath = null;
+ this.value = null;
+ this.valueObject = null;
+
+ this._onDocumentClicked = this._onDocumentClicked.bind(this);
+ select2(window, $);
+ }
+
+ static get properties() {
+ return {
+ ...super.properties,
+ lang: {type: String},
+ auth: {type: Object},
+ entryPointUrl: {type: String, attribute: 'entry-point-url'},
+ resourcePath: {type: String, attribute: 'resource-path'},
+ value: {type: String, reflect: true},
+ };
+ }
+
+ _getSelect2() {
+ return this._$('#' + this._selectId);
+ }
+
+ _$(selector) {
+ return $(this.renderRoot.querySelector(selector));
+ }
+
+ _IsSelect2Initialized(elm) {
+ return elm !== null && elm.hasClass('select2-hidden-accessible');
+ }
+
+ connectedCallback() {
+ super.connectedCallback();
+ document.addEventListener('click', this._onDocumentClicked);
+ this._updateAll();
+ }
+
+ disconnectedCallback() {
+ document.removeEventListener('click', this._onDocumentClicked);
+ super.disconnectedCallback();
+ }
+
+ _onDocumentClicked(ev) {
+ // Close the popup when clicking outside of select2
+ if (!ev.composedPath().includes(this)) {
+ const $select = this._getSelect2();
+ if ($select.length && this._IsSelect2Initialized($select)) {
+ $select.select2('close');
+ }
+ }
+ }
+
+ _clearSelect2() {
+ const $select = this._getSelect2();
+ console.assert($select.length, 'select2 missing');
+
+ // we need to destroy Select2 and remove the event listeners before we can initialize it again
+ if (this._IsSelect2Initialized($select)) {
+ $select.off('select2:select');
+ $select.empty().trigger('change');
+ $select.select2('destroy');
+ }
+ }
+
+ _getUrl() {
+ if (this.entryPointUrl === null) {
+ return null;
+ }
+ let url = this.entryPointUrl;
+ if (this.resourcePath !== null) {
+ url = new URL(this.resourcePath, this.entryPointUrl).href;
+ }
+ let detail = {
+ url: url,
+ };
+ const event = new CustomEvent('build-url', {
+ detail: detail,
+ });
+ this.dispatchEvent(event);
+ return detail.url;
+ }
+
+ _getText(resource) {
+ let detail = {
+ text: resource.name ?? null,
+ object: resource,
+ };
+ const event = new CustomEvent('format-resource', {
+ detail: detail,
+ });
+ this.dispatchEvent(event);
+ return detail.text;
+ }
+
+ _setValue(value) {
+ let changed = false;
+ changed = this.value !== value;
+ this.value = value;
+
+ let found = null;
+ for (let res of this._resources) {
+ if (res['@id'] === this.value) {
+ found = res;
+ break;
+ }
+ }
+ changed = changed || this.valueObject !== found;
+ this.valueObject = found;
+
+ if (!changed) {
+ return;
+ }
+
+ const event = new CustomEvent('change', {
+ bubbles: true,
+ composed: true,
+ detail: {
+ value: this.value,
+ object: this.valueObject,
+ },
+ });
+ this.dispatchEvent(event);
+ }
+
+ async _updateAll() {
+ this._setValue(this.value);
+ if (!this.auth.token) {
+ await this._setSelect2Loading();
+ return;
+ }
+ await this._updateResources();
+ await this._updateSelect2();
+ }
+
+ async _setSelect2Loading() {
+ await this.updateComplete;
+ const i18n = this._i18n;
+
+ const $select = this._getSelect2();
+ console.assert($select.length, 'select2 missing');
+
+ // Show an empty select until we load the resources
+ this._clearSelect2();
+
+ $select.select2({
+ width: '100%',
+ language: this.lang === 'de' ? select2LangDe() : select2LangEn(),
+ placeholder: i18n.t('select.loading'),
+ data: [],
+ disabled: true,
+ });
+ }
+
+ async _updateResources() {
+ let url = this._getUrl();
+ if (url === null || url === this._url) {
+ return;
+ }
+
+ this._resources = await hydra.getCollection(url, this.auth.token);
+ this._url = url;
+ this._setValue(this.value);
+ }
+
+ async _updateSelect2() {
+ await this.updateComplete;
+ const i18n = this._i18n;
+
+ const $select = this._getSelect2();
+ console.assert($select.length, 'select2 missing');
+
+ const data = this._resources.map((item) => {
+ return {id: item['@id'], text: this._getText(item)};
+ });
+
+ data.sort((a, b) => {
+ return a.text < b.text ? -1 : a.text > b.text ? 1 : 0;
+ });
+
+ this._clearSelect2();
+
+ $select
+ .select2({
+ width: '100%',
+ language: this.lang === 'de' ? select2LangDe() : select2LangEn(),
+ placeholder: i18n.t('select.placeholder'),
+ dropdownParent: this._$('#select-resource-dropdown'),
+ data: data,
+ disabled: false,
+ })
+ .on('select2:select', () => {
+ let id = $select.select2('data')[0].id;
+ this._setValue(id);
+ });
+
+ // If none is selected, default to the first one
+ if (this.value === null && data.length) {
+ this._setValue(data[0].id);
+ }
+
+ // Apply the selection
+ $select.val(this.value).trigger('change');
+ }
+
+ update(changedProperties) {
+ if (changedProperties.has('lang')) {
+ this._i18n.changeLanguage(this.lang);
+ }
+
+ if (
+ changedProperties.has('lang') ||
+ changedProperties.has('value') ||
+ changedProperties.has('resourcePath') ||
+ changedProperties.has('entryPointUrl') ||
+ changedProperties.has('auth')
+ ) {
+ this._updateAll();
+ }
+
+ super.update(changedProperties);
+ }
+
+ static get styles() {
+ return [
+ commonStyles.getThemeCSS(),
+ commonStyles.getGeneralCSS(),
+ commonStyles.getNotificationCSS(),
+ commonStyles.getSelect2CSS(),
+ // language=css
+ css``,
+ ];
+ }
+
+ render() {
+ const select2CSS = commonUtils.getAssetURL(select2CSSPath);
+ return html`
+ <link rel="stylesheet" href="${select2CSS}" />
+
+ <div class="select">
+ <div class="select2-control control">
+ <select
+ id="${this._selectId}"
+ name="select-resources"
+ class="select"
+ style="visibility: hidden;"></select>
+ </div>
+ <div id="select-resource-dropdown"></div>
+ </div>
+ `;
+ }
+}
diff --git a/packages/resource-select/test/unit.js b/packages/resource-select/test/unit.js
new file mode 100644
index 0000000000000000000000000000000000000000..85014c781571ce0c9478306c086e99c2225e6c93
--- /dev/null
+++ b/packages/resource-select/test/unit.js
@@ -0,0 +1,40 @@
+import {assert} from '@esm-bundle/chai';
+
+import '../src/dbp-resource-select.js';
+import '../src/demo.js';
+
+suite('dbp-resource-select basics', () => {
+ let node;
+
+ setup(async () => {
+ node = document.createElement('dbp-resource-select');
+ document.body.appendChild(node);
+ await node.updateComplete;
+ });
+
+ teardown(() => {
+ node.remove();
+ });
+
+ test('should render', () => {
+ assert.isNotNull(node.shadowRoot);
+ });
+});
+
+suite('dbp-resource-select-demo basics', () => {
+ let node;
+
+ setup(async () => {
+ node = document.createElement('dbp-resource-select-demo');
+ document.body.appendChild(node);
+ await node.updateComplete;
+ });
+
+ teardown(() => {
+ node.remove();
+ });
+
+ test('should render', () => {
+ assert.isNotNull(node.shadowRoot);
+ });
+});