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| 1 | +import { Controller } from "@hotwired/stimulus" |
| 2 | + |
| 3 | +// Connects to data-controller="ruby-ui--toggle-group" |
| 4 | +export default class extends Controller { |
| 5 | + static targets = ["item", "input"] |
| 6 | + static values = { type: String, name: String } |
| 7 | + |
| 8 | + connect() { |
| 9 | + this.reconcile() |
| 10 | + } |
| 11 | + |
| 12 | + select(event) { |
| 13 | + const item = event.currentTarget |
| 14 | + if (item.disabled) return |
| 15 | + |
| 16 | + if (this.typeValue === "single") { |
| 17 | + this.itemTargets.forEach(el => this.setPressed(el, el === item)) |
| 18 | + } else { |
| 19 | + this.setPressed(item, !this.isPressed(item)) |
| 20 | + } |
| 21 | + |
| 22 | + this.rebuildInputs() |
| 23 | + this.updateRovingTabindex(item) |
| 24 | + } |
| 25 | + |
| 26 | + navigate(event) { |
| 27 | + if (this.typeValue !== "single") return |
| 28 | + const items = this.enabledItems() |
| 29 | + if (items.length === 0) return |
| 30 | + |
| 31 | + const isRtl = document.documentElement.dir === "rtl" |
| 32 | + const currentIndex = items.indexOf(event.currentTarget) |
| 33 | + let nextIndex = currentIndex |
| 34 | + |
| 35 | + switch (event.key) { |
| 36 | + case "ArrowRight": |
| 37 | + case "ArrowDown": |
| 38 | + nextIndex = (currentIndex + (isRtl && event.key === "ArrowRight" ? -1 : 1) + items.length) % items.length |
| 39 | + break |
| 40 | + case "ArrowLeft": |
| 41 | + case "ArrowUp": |
| 42 | + nextIndex = (currentIndex + (isRtl && event.key === "ArrowLeft" ? 1 : -1) + items.length) % items.length |
| 43 | + break |
| 44 | + case "Home": |
| 45 | + nextIndex = 0 |
| 46 | + break |
| 47 | + case "End": |
| 48 | + nextIndex = items.length - 1 |
| 49 | + break |
| 50 | + case " ": |
| 51 | + case "Enter": |
| 52 | + event.preventDefault() |
| 53 | + event.currentTarget.click() |
| 54 | + return |
| 55 | + default: |
| 56 | + return |
| 57 | + } |
| 58 | + |
| 59 | + event.preventDefault() |
| 60 | + const next = items[nextIndex] |
| 61 | + this.updateRovingTabindex(next) |
| 62 | + next.focus() |
| 63 | + } |
| 64 | + |
| 65 | + reconcile() { |
| 66 | + if (this.typeValue === "single") { |
| 67 | + const pressed = this.itemTargets.find(el => this.isPressed(el)) |
| 68 | + const first = pressed || this.enabledItems()[0] |
| 69 | + this.itemTargets.forEach(el => { |
| 70 | + el.setAttribute("tabindex", el === first ? "0" : "-1") |
| 71 | + }) |
| 72 | + } else { |
| 73 | + this.itemTargets.forEach(el => el.setAttribute("tabindex", "0")) |
| 74 | + } |
| 75 | + this.rebuildInputs() |
| 76 | + } |
| 77 | + |
| 78 | + isPressed(item) { |
| 79 | + return item.dataset.state === "on" |
| 80 | + } |
| 81 | + |
| 82 | + setPressed(item, pressed) { |
| 83 | + item.dataset.state = pressed ? "on" : "off" |
| 84 | + if (this.typeValue === "single") { |
| 85 | + item.setAttribute("aria-checked", pressed ? "true" : "false") |
| 86 | + } else { |
| 87 | + item.setAttribute("aria-pressed", pressed ? "true" : "false") |
| 88 | + } |
| 89 | + } |
| 90 | + |
| 91 | + updateRovingTabindex(focusedItem) { |
| 92 | + if (this.typeValue !== "single") return |
| 93 | + this.itemTargets.forEach(el => { |
| 94 | + el.setAttribute("tabindex", el === focusedItem ? "0" : "-1") |
| 95 | + }) |
| 96 | + } |
| 97 | + |
| 98 | + enabledItems() { |
| 99 | + return this.itemTargets.filter(el => !el.disabled) |
| 100 | + } |
| 101 | + |
| 102 | + rebuildInputs() { |
| 103 | + if (!this.nameValue) return |
| 104 | + this.inputTargets.forEach(el => el.remove()) |
| 105 | + |
| 106 | + const pressed = this.itemTargets.filter(el => this.isPressed(el)) |
| 107 | + |
| 108 | + if (this.typeValue === "single") { |
| 109 | + const val = pressed[0]?.dataset.value || "" |
| 110 | + this.element.appendChild(this.buildInput(this.nameValue, val)) |
| 111 | + } else { |
| 112 | + pressed.forEach(item => { |
| 113 | + this.element.appendChild(this.buildInput(`${this.nameValue}[]`, item.dataset.value)) |
| 114 | + }) |
| 115 | + } |
| 116 | + } |
| 117 | + |
| 118 | + buildInput(name, value) { |
| 119 | + const input = document.createElement("input") |
| 120 | + input.type = "hidden" |
| 121 | + input.name = name |
| 122 | + input.value = value |
| 123 | + input.setAttribute("data-ruby-ui--toggle-group-target", "input") |
| 124 | + return input |
| 125 | + } |
| 126 | +} |
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