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<!DOCTYPE html><html> <head> <title>Demo</title> <meta name="viewport" content="width=device-width,initial-scale=1"> <meta name="csrf-param" content="authenticity_token" /> <meta name="csrf-token" content="VGItLYvp2c3UQt3ohblcBvP3-P7fRolbeDZkqQvzc7RMABwDtyInynJRA3Fgp4604Ijj0RQkAJSZ9kv2w3vi4g" /> <!-- ATTENTION: The following line is required for Turbo dialog works see: https://github.com/hotwired/turbo/issues/1191#issuecomment-1952959217 --> <meta name="turbo-prefetch" content="false"> <link rel="stylesheet" href="/assets/tailwind-b07d8146.css" data-turbo-track="reload" /> <link rel="stylesheet" href="/assets/elevate-9611e0ae.css" /> <script src="/vite/assets/application-Dhu5wEut.js" crossorigin="anonymous" type="module"></script><link rel="modulepreload" href="/vite/assets/monaco-editor-C1G6nEm4.js" as="script" crossorigin="anonymous"><link rel="stylesheet" href="/vite/assets/monaco-editor-DQmwQvws.css" media="screen" /> </head> <body> <div id="elevate-toast-host" data-controller="toast" data-turbo-permanent="true" data-toast-position-value="top-center" data-toast-layout-value="default" data-toast-auto-dismiss-duration-value="4000" data-toast-limit-value="3" data-toast-gap-value="14" class="elevate-toast elevate-toast--position--top-center"> <ol data-toast-target="container" class="relative flex flex-col-reverse sm:flex-col gap-0 pointer-events-auto [&>li]:pointer-events-auto" style="height: 0px;"></ol> <div data-toast-target="livePolite" role="status" aria-live="polite" aria-atomic="true" class="sr-only"></div> <div data-toast-target="liveAssertive" role="alert" aria-live="assertive" aria-atomic="true" class="sr-only"></div> <template data-toast-template data-toast-type="default"> <li class="toast-item"> <div class="elevate-toast--content"> <div class="elevate-toast--row"> <div class="elevate-toast--plate elevate-toast--plate--default" aria-hidden="true"> <span class="elevate-toast--plate-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round" focusable="false" aria-hidden="true"> <circle cx="9" cy="9" r="7.4"></circle> <circle cx="9" cy="9" r="1.4" fill="currentColor" stroke="none"></circle> </svg> </span> </div> <div class="elevate-toast--text"> <p class="elevate-toast--title" data-toast-slot="message"></p> <p class="elevate-toast--description" data-toast-slot="description"></p> </div> <button type="button" class="elevate-toast--close" data-toast-slot="close" aria-label="Close"> <span class="elevate-toast--close-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 14 14" fill="none" focusable="false" aria-hidden="true"> <path d="M3.5 3.5 L10.5 10.5 M10.5 3.5 L3.5 10.5" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"></path> </svg> </span> </button> </div> </div> </li> </template> <template data-toast-template data-toast-type="success"> <li class="toast-item"> <div class="elevate-toast--content"> <div class="elevate-toast--row"> <div class="elevate-toast--plate elevate-toast--plate--success" aria-hidden="true"> <span class="elevate-toast--plate-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round" focusable="false" aria-hidden="true"> <circle cx="9" cy="9" r="7.4"></circle> <path d="M5.6 9.2 L8 11.6 L12.4 6.8"></path> </svg> </span> </div> <div class="elevate-toast--text"> <p class="elevate-toast--title" data-toast-slot="message"></p> <p class="elevate-toast--description" data-toast-slot="description"></p> </div> <button type="button" class="elevate-toast--close" data-toast-slot="close" aria-label="Close"> <span class="elevate-toast--close-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 14 14" fill="none" focusable="false" aria-hidden="true"> <path d="M3.5 3.5 L10.5 10.5 M10.5 3.5 L3.5 10.5" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"></path> </svg> </span> </button> </div> </div> </li> </template> <template data-toast-template data-toast-type="error"> <li class="toast-item"> <div class="elevate-toast--content"> <div class="elevate-toast--row"> <div class="elevate-toast--plate elevate-toast--plate--error" aria-hidden="true"> <span class="elevate-toast--plate-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round" focusable="false" aria-hidden="true"> <circle cx="9" cy="9" r="7.4"></circle> <path d="M6.2 6.2 L11.8 11.8 M11.8 6.2 L6.2 11.8"></path> </svg> </span> </div> <div class="elevate-toast--text"> <p class="elevate-toast--title" data-toast-slot="message"></p> <p class="elevate-toast--description" data-toast-slot="description"></p> </div> <button type="button" class="elevate-toast--close" data-toast-slot="close" aria-label="Close"> <span class="elevate-toast--close-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 14 14" fill="none" focusable="false" aria-hidden="true"> <path d="M3.5 3.5 L10.5 10.5 M10.5 3.5 L3.5 10.5" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"></path> </svg> </span> </button> </div> </div> </li> </template> <template data-toast-template data-toast-type="info"> <li class="toast-item"> <div class="elevate-toast--content"> <div class="elevate-toast--row"> <div class="elevate-toast--plate elevate-toast--plate--info" aria-hidden="true"> <span class="elevate-toast--plate-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round" focusable="false" aria-hidden="true"> <circle cx="9" cy="9" r="7.4"></circle> <path d="M9 8 L9 12.4"></path> <circle cx="9" cy="5.6" r="0.5" fill="currentColor" stroke="none"></circle> </svg> </span> </div> <div class="elevate-toast--text"> <p class="elevate-toast--title" data-toast-slot="message"></p> <p class="elevate-toast--description" data-toast-slot="description"></p> </div> <button type="button" class="elevate-toast--close" data-toast-slot="close" aria-label="Close"> <span class="elevate-toast--close-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 14 14" fill="none" focusable="false" aria-hidden="true"> <path d="M3.5 3.5 L10.5 10.5 M10.5 3.5 L3.5 10.5" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"></path> </svg> </span> </button> </div> </div> </li> </template> <template data-toast-template data-toast-type="warning"> <li class="toast-item"> <div class="elevate-toast--content"> <div class="elevate-toast--row"> <div class="elevate-toast--plate elevate-toast--plate--warning" aria-hidden="true"> <span class="elevate-toast--plate-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round" focusable="false" aria-hidden="true"> <path d="M9 2.4 L16.2 14.6 L1.8 14.6 Z"></path> <path d="M9 7.2 L9 10.6"></path> <circle cx="9" cy="12.6" r="0.5" fill="currentColor" stroke="none"></circle> </svg> </span> </div> <div class="elevate-toast--text"> <p class="elevate-toast--title" data-toast-slot="message"></p> <p class="elevate-toast--description" data-toast-slot="description"></p> </div> <button type="button" class="elevate-toast--close" data-toast-slot="close" aria-label="Close"> <span class="elevate-toast--close-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 14 14" fill="none" focusable="false" aria-hidden="true"> <path d="M3.5 3.5 L10.5 10.5 M10.5 3.5 L3.5 10.5" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"></path> </svg> </span> </button> </div> </div> </li> </template> <template data-toast-template data-toast-type="danger"> <li class="toast-item"> <div class="elevate-toast--content"> <div class="elevate-toast--row"> <div class="elevate-toast--plate elevate-toast--plate--danger" aria-hidden="true"> <span class="elevate-toast--plate-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round" focusable="false" aria-hidden="true"> <path d="M9 1.8 L15.6 5.4 L15.6 10 C15.6 13.4 12.6 15.6 9 16.6 C5.4 15.6 2.4 13.4 2.4 10 L2.4 5.4 Z"></path> <path d="M9 6.4 L9 10"></path> <circle cx="9" cy="12" r="0.5" fill="currentColor" stroke="none"></circle> </svg> </span> </div> <div class="elevate-toast--text"> <p class="elevate-toast--title" data-toast-slot="message"></p> <p class="elevate-toast--description" data-toast-slot="description"></p> </div> <button type="button" class="elevate-toast--close" data-toast-slot="close" aria-label="Close"> <span class="elevate-toast--close-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 14 14" fill="none" focusable="false" aria-hidden="true"> <path d="M3.5 3.5 L10.5 10.5 M10.5 3.5 L3.5 10.5" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"></path> </svg> </span> </button> </div> </div> </li> </template> <template data-toast-template data-toast-type="loading"> <li class="toast-item"> <div class="elevate-toast--content"> <div class="elevate-toast--row"> <div class="elevate-toast--plate elevate-toast--plate--loading" role="progressbar" aria-label="Loading…"> <span class="elevate-toast--plate-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 18 18" fill="none" focusable="false" aria-hidden="true"> <circle cx="9" cy="9" r="7" stroke="currentColor" stroke-opacity="0.2" stroke-width="1.6"></circle> <path d="M9 2 A7 7 0 0 1 16 9" stroke="currentColor" stroke-width="1.6" stroke-linecap="round"></path> </svg> </span> </div> <div class="elevate-toast--text"> <p class="elevate-toast--title" data-toast-slot="message"></p> <p class="elevate-toast--description" data-toast-slot="description"></p> </div> <button type="button" class="elevate-toast--close" data-toast-slot="close" aria-label="Close"> <span class="elevate-toast--close-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 14 14" fill="none" focusable="false" aria-hidden="true"> <path d="M3.5 3.5 L10.5 10.5 M10.5 3.5 L3.5 10.5" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"></path> </svg> </span> </button> </div> </div> </li> </template> <template data-toast-template-rich> <li class="toast-item"> <div class="elevate-toast--content elevate-toast--content--rich"> <div data-toast-slot="content"></div> <button type="button" class="elevate-toast--close elevate-toast--close--floating" data-toast-slot="close" aria-label="Close"><span class="elevate-toast--close-icon elevate-icon"> <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewbox="0 0 14 14" fill="none" focusable="false" aria-hidden="true"> <path d="M3.5 3.5 L10.5 10.5 M10.5 3.5 L3.5 10.5" stroke="currentColor" stroke-width="1.4" stroke-linecap="round"></path> </svg> </span></button></div> </li> </template> </div> <main class="container mx-auto mt-12 px-5"> <form data-controller="elevate-hotwire" data-elevate-hotwire-values-value="{"elevate_lookbook_user":{"id":null,"first_name":null,"last_name":null,"phone":null,"email":null,"amount":null,"website":null,"country":null,"birth_date":null,"appointment_at":null,"code_snippet":null,"bio":null,"preferred_time":null,"newsletter":false,"marketing_emails":null,"terms_accepted":false,"privacy_policy_accepted":false,"interests":null,"notification_preferences":[],"errors":{"_is_valid":true},"warnings":{"_is_valid":true},"suggested_values":{"first_name":"Oscar Botyglot","country":"france","birth_date":"2026-08-25","appointment_at":"2026-05-18T08:00:00.000Z","code_snippet":"# Sample Ruby code\nclass HelloWorld\n def greet(name)\n puts \"Hello, #{name}!\"\n end\nend\n\nhello = HelloWorld.new\nhello.greet(\"World\")\n","phone":"+33 1 23 45 67 89","amount":1234.56,"bio":"Passionate software developer with expertise in Ruby on Rails and Vue.js. Always eager to learn new technologies and share knowledge with the community.","preferred_time":"2026-08-25T14:30:00.000Z","newsletter":true,"marketing_emails":true,"terms_accepted":true,"privacy_policy_accepted":true,"interests":["ruby","javascript"],"notification_preferences":["email","push"]}}}" data-elevate-hotwire-validation-url-value="/elevate/users" id="new_elevate_lookbook_user_form" class="form elevate_lookbook_user-form" action="/elevate/users" accept-charset="UTF-8" method="post"><input type="hidden" name="authenticity_token" value="r7ScvGnb_cQ75f3Dkotb32bUyins4Cs6gIE6jVaxEkGChIAiY0p30Pyax-NPiDLT9ph10gv8yxKDEJ7WV6j5CA" autocomplete="off" /> <div class="input-block" id="elevate_lookbook_user_interests__wrapper" data-controller="elevate-hotwire-multi-select" data-elevate-hotwire-multi-select-elevate-hotwire-outlet="form" data-elevate-hotwire-multi-select-name-value="elevate_lookbook_user[interests]" data-elevate-hotwire-multi-select-input-id-value="elevate_lookbook_user_interests" data-elevate-hotwire-multi-select-input-name-value="elevate_lookbook_user[interests][]" data-elevate-hotwire-multi-select-limit-value="5" data-elevate-hotwire-multi-select-disabled-value="false" data-elevate-hotwire-multi-select-count-text-value="selected" data-elevate-hotwire-multi-select-initial-choices-value="[{"id":"ruby","display_name":"Ruby"},{"id":"javascript","display_name":"JavaScript"},{"id":"python","display_name":"Python"},{"id":"go","display_name":"Go"},{"id":"rust","display_name":"Rust"},{"id":"typescript","display_name":"TypeScript"},{"id":"elixir","display_name":"Elixir"},{"id":"other","display_name":"Other"}]"> <select id="elevate_lookbook_user_interests" class="custom-autocomplete" multiple="multiple" data-elevate-hotwire-multi-select-target="select"> <option value="ruby">Ruby</option> <option value="javascript">JavaScript</option> <option value="python">Python</option> <option value="go">Go</option> <option value="rust">Rust</option> <option value="typescript">TypeScript</option> <option value="elixir">Elixir</option> <option value="other">Other</option> </select></div> </form> </main> </body> <script> /* see this fix: https://github.com/rails/importmap-rails/issues/65#issuecomment-999939960 */ window.process = { env: { NODE_ENV: 'production'} } </script></html>1
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<%- url = Elevate::Engine.routes.url_helpers.users_path -%><%= elevate_form_with(model: user, url: url, scope: :elevate_lookbook_user) do |form| %> <%= render Elevate::Hotwire::MultiSelectComponent.new( form: form, field_name: :interests, choices: user.interests__potential_values ) %><% end %>Basic multi-select with programming language choices
No params configured.
No assets to display.
app/components/elevate/hotwire/multi_select/multi_select_controller.js
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// Field-level Stimulus controller for Elevate::Hotwire::MultiSelectComponent.//// TomSelect (multiple mode) over a UI-only <select multiple>. Mirrors the// autocomplete controller, with two multi-select deltas://// 1. Array-valued submission. The <select> carries no submittable name;// `useHiddenArray` manages one hidden <input name="X[]"> per selected// value (plus a single empty-marker when empty) off the store slice.// TomSelect drives the store; the store drives the hiddens.//// 2. Display modes. Default: removable tags, collapsing overflow past// `limit` to a "+N" pill. `showCount`: a single "N selected" summary// in the control instead of tags (railsblocks count-display style).//// Validity classes are `input-block__field--invalid` / `--warning`, matching// the rest of the Hotwire form components.import { Controller } from "@hotwired/stimulus";import TomSelect from "tom-select";import { useFormState } from "../../../../assets/javascripts/hotwire/behaviors/use_form_state";import { useTouchOnFocus } from "../../../../assets/javascripts/hotwire/behaviors/use_touch_on_focus";import { useEmptyClass } from "../../../../assets/javascripts/hotwire/behaviors/use_empty_class";import { useValidityClasses } from "../../../../assets/javascripts/hotwire/behaviors/use_validity_classes";import { useErrorPlaceholder } from "../../../../assets/javascripts/hotwire/behaviors/use_error_placeholder";import { usePotentialValues } from "../../../../assets/javascripts/hotwire/behaviors/use_potential_values";import { useSuggestedValue } from "../../../../assets/javascripts/hotwire/behaviors/use_suggested_value";import { useHiddenArray } from "../../../../assets/javascripts/hotwire/behaviors/use_hidden_array";const INVALID_CLASS = "input-block__field--invalid";const WARNING_CLASS = "input-block__field--warning";export default class ElevateHotwireMultiSelectController extends Controller { static outlets = ["elevate-hotwire"]; static targets = ["select"]; static values = { name: String, displayError: { type: Boolean, default: true }, suggestValue: { type: String, default: "" }, // '' | 'true' | 'force' placeholder: { type: String, default: "" }, inputId: { type: String, default: "" }, inputName: { type: String, default: "" }, // already has the [] suffix limit: { type: Number, default: 5 }, disabled: { type: Boolean, default: false }, showCount: { type: Boolean, default: false }, countText: { type: String, default: "selected" }, countTextSingular: { type: String, default: "" }, initialChoices: { type: Array, default: [] }, }; #tomSelect = null; #countEl = null; connect() { const name = this.nameValue; this.#tomSelect = new TomSelect(this.selectTarget, { // <select multiple> makes TomSelect default maxItems to null (unlimited). create: false, // Keep selected options in the dropdown so their checkbox reads as // checked (railsblocks "Filter by Categories" behavior). hideSelected: false, plugins: { remove_button: { title: "Remove", // The plugin's default renders `label` via textContent, so an SVG // string would leak as raw text. Override `html` (parsed as HTML, // like the autocomplete clear button) to emit a crisp SVG cross. html: (data) => `<div class="${data.className}" title="${data.title}" role="button" tabindex="-1">` + '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 12" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">' + '<line x1="1.5" y1="10.5" x2="10.5" y2="1.5"/><line x1="10.5" y1="10.5" x2="1.5" y2="1.5"/>' + "</svg></div>", }, checkbox_options: {}, // a checkbox per option, checked when selected no_active_items: {}, // don't highlight already-selected tags as active }, placeholder: this.placeholderValue || undefined, }); useFormState(this, { name, onValueChange: (v) => this.#syncSelectValue(v), // Options changed server-side → rebuild TomSelect's list, then re-apply // the current store selection (a fresh list otherwise drops it). onPotentialValuesChange: () => queueMicrotask(() => { this.#tomSelect?.sync(); this.#syncSelectValue(this.fieldValue()); }), }); useTouchOnFocus(this, { target: this.#tomSelect.control_input }); useEmptyClass(this, { name, wrapper: this.element }); useValidityClasses(this, { name, input: this.#tomSelect.wrapper, invalidClass: INVALID_CLASS, warningClass: WARNING_CLASS, }); if (this.displayErrorValue) { useErrorPlaceholder(this, { name, parent: this.element }); } usePotentialValues(this, { name, select: this.selectTarget, initialChoices: this.initialChoicesValue, }); useHiddenArray(this, { name, arrayName: this.inputNameValue, idPrefix: this.inputIdValue, parent: this.element, }); this.#tomSelect.sync(); if (this.showCountValue) this.#setupCountDisplay(); // TomSelect change → store (getValue is an array in multiple mode). this.#tomSelect.on("change", () => { const value = this.#tomSelect.getValue(); this.updateFieldValue(Array.isArray(value) ? value : []); this.#refreshDisplay(); }); useSuggestedValue(this, { name, mode: this.suggestValueValue }); if (this.disabledValue) this.#tomSelect.disable(); // Drive the initial selection from the store (onValueChange suppresses its // first fire) — now if the outlet is up, and again once it connects. const syncFromStore = () => this.#syncSelectValue(this.fieldValue()); if (this.hasElevateHotwireOutlet) syncFromStore(); const prevOutletConnected = this.elevateHotwireOutletConnected?.bind(this); this.elevateHotwireOutletConnected = function (outlet, element) { if (prevOutletConnected) prevOutletConnected(outlet, element); syncFromStore(); }; } disconnect() { if (this.#tomSelect) { this.#tomSelect.destroy(); this.#tomSelect = null; } super.disconnect(); } // Mirror a store value (array | scalar | null) onto TomSelect. Silent // setValue avoids re-firing `change` back into the store. #syncSelectValue(v) { if (!this.#tomSelect) return; const array = Array.isArray(v) ? v : v == null || v === "" ? [] : [v]; this.#tomSelect.setValue(array.map(String), true); this.#refreshDisplay(); } #setupCountDisplay() { this.#countEl = document.createElement("div"); this.#countEl.className = "ts-count-display"; this.#tomSelect.control.appendChild(this.#countEl); } // Count mode: show "N text" and hide the tags (via `count-active`). // Tag mode: hide items past `limit` and show a "+N" pill for the overflow. #refreshDisplay() { const ts = this.#tomSelect; if (!ts) return; const items = Array.from(ts.control.querySelectorAll(":scope > .item")); const count = items.length; if (this.showCountValue) { if (!this.#countEl) return; // TomSelect rebuilds items on every change but leaves appended nodes; // guard against a stray detach just in case. if (!this.#countEl.isConnected) ts.control.appendChild(this.#countEl); ts.control.classList.toggle("count-active", count > 0); const text = count === 1 && this.countTextSingularValue ? this.countTextSingularValue : this.countTextValue; this.#countEl.textContent = count > 0 ? `${count} ${text}` : ""; return; } // Tag mode: collapse overflow beyond `limit`. const limit = this.limitValue; items.forEach((item, idx) => { item.style.display = idx < limit ? "" : "none"; }); const overflow = count - limit; if (overflow > 0) { if (!this.#countEl) this.#setupCountDisplay(); if (!this.#countEl.isConnected) ts.control.appendChild(this.#countEl); this.#countEl.textContent = `+${overflow}`; } else if (this.#countEl) { this.#countEl.textContent = ""; } }}