Files
fizzy/app/javascript/controllers/combobox_controller.js
T

57 lines
1.4 KiB
JavaScript

import { Controller } from "@hotwired/stimulus"
export default class extends Controller {
#hiddenField
static targets = [ "label", "item", "hiddenFieldTemplate" ]
static values = {
selectPropertyName: { type: String, default: "aria-checked" },
defaultValue: String
}
connect() {
this.labelTarget.textContent = this.#selectedLabel
}
change(event) {
const item = event.target.closest("[role='checkbox']")
if (item) {
this.#selectedItem = item
}
}
get #selectedLabel() {
return this.#selectedItem?.dataset?.comboboxLabel || ""
}
get #selectedItem() {
return this.itemTargets.find(item => item.getAttribute(this.selectPropertyNameValue) === "true")
}
set #selectedItem(item) {
this.#clearSelection()
item.setAttribute(this.selectPropertyNameValue, "true")
this.labelTarget.textContent = this.#selectedLabel
this.hiddenField.value = item.dataset.comboboxValue
}
#clearSelection() {
this.itemTargets.forEach(target => {
target.setAttribute(this.selectPropertyNameValue, "false")
})
}
get hiddenField() {
if (!this.#hiddenField) {
this.#hiddenField = this.#buildHiddenField()
}
return this.#hiddenField
}
#buildHiddenField() {
const [field] = this.hiddenFieldTemplateTarget.content.cloneNode(true).children
this.element.appendChild(field)
return field
}
}