Multi-Function Button

HTML

              
                <h1>Multi-Function Button</h1>

<fieldset>
  <legend>Activating the button gets you…</legend>
  <div>
    <input type="radio" value="Success" name="status" id="status_Success" checked>
    <label for="status_Success">
      Success (sandwich)
    </label>
  </div>
  <div>
    <input type="radio" value="Failure" name="status" id="status_Failure">
    <label for="status_Failure">
      Failure (no sandwich)
    </label>
  </div>
</fieldset>

<div class="Wrapper">

  <span role="status"></span>

  <button type="button" class="multi"
          data-status-label="Preparing…"
          data-status-region="r"
          data-busy-msg="Preparing."
          data-finished-msg="Yay Sandwich!"
          data-failure-msg="You Got Salad"
          data-retry-msg="Re-do Sandwich">
    <span class="icon"></span>
    <span class="status">Make Sandwich</span>
  </button>

</div>

<p>
  This example is used in my post <a href="https://adrianroselli.com/2021/01/multi-function-button.html"><cite>Multi-Function Button</cite></a>.
</p>

CSS

              
                :root {
  --button-color: #33c;
  --wrapper-color: #555;
}

body {
  background-color: #f9f9f9;
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto,
    Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  line-height: 1.4;
  /*   font-size: 200%; */
/*  For easy 1.4.12 testing  */
  /*   line-height: 1.5; */
  /*   letter-spacing: 0.12em; */
  /*   word-spacing: 0.16em; */
}

/* Now to the headline act */

.Wrapper {
  background-color: #555;
  background: var(--wrapper-color);
  margin: 1em 0 0 0;
  padding: 4em;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.multi {
  background: #555;
  background: var(--button-color);
  border: 0.15em solid #fff;
  border-radius: 2em;
  color: #fff;
  font: inherit;
  letter-spacing: inherit;
  word-spacing: inherit;
  font-weight: bold;
  font-size: 110%;
  min-width: 16em;
  overflow: hidden;
  padding: 0.75em 2.5em;
  position: relative;
  transition: text-indent 0.2s ease-in-out;
  outline: none;
}

.busy span {
  color: #666;
}

.success {
  background: #060;
}

.failure {
  background: #c00;
}

.multi:focus,
.multi:hover {
  box-shadow: 0 0 0.8em rgba(0, 0, 0, 0.8), 0 0 1em rgba(51, 51, 51, 1);
}

.multi:active {
  transform: scale(.98);
  box-shadow: 0.15em 0.15em 0 var(--wrapper-color),
    -0.15em 0.15em 0 var(--wrapper-color), 0.15em -0.15em 0 var(--wrapper-color),
    -0.15em -0.15em 0 var(--wrapper-color), 0.25em 0.25em 0 #fff,
    -0.25em 0.25em 0 #fff, 0.25em -0.25em 0 #fff, -0.25em -0.25em 0 #fff,
    -0.3em 0 0 #fff, 0.3em 0 0 #fff;
  box-shadow: 0 0 .2em rgba(0,0,0,1),
    0 0 .2em rgba(0,0,0,1),
    -.1em .1em .2em rgba(255,255,255,.5),
    -.2em .2em .1em rgba(255,255,255,.5),
    .1em -.1em .2em rgba(0,0,0,.5),
    .2em -.2em .1em rgba(0,0,0,.5);
}

.multi:focus .icon,
.multi:hover .icon {
  transform: scale(1.9);
  border-width: 0.07em;
}

.multi.busy {
  background: #fff;
  color: #555;
  color: var(--button-color);
  border-color: #ccc;
}

.multi.busy:active {
  transform: none;
  border-color: #f00;
  box-shadow: 0 0 1em #f00;
  /* note firefox doesn't respect :active on keydown */
}

.multi.busy:focus .icon,
.multi.busy:hover .icon {
  transform: none;
}

.icon {
  position: absolute;
  left: 0.7em;
  top: 0.55em;
  width: 1.5em;
  height: 1.5em;
  overflow: hidden;
  border-radius: 100%;
  border: 0.1em solid #fff;
  background: transparent;
  transform-origin: 55% 44%;
  /*  Sandwich SVG  */
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg height='100' width='100' fill='%23fff' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M90.8 35.3a224 224 0 00-34-14c-2.7-.9-5.7-1.3-9-1.3-3.8 0-7.4.6-10.2 1.8-2.7 1-3.4 2.7-3.6 3.8l-.5.3L8.6 36.1C5.5 37.4 5 39.4 5 40.5v20c0 1 .5 3.1 3.6 4.4l34.2 14c1.6.7 3.7 1.1 6 1.1s4.3-.4 6-1l24.8-10.3a13.7 13.7 0 014-.7 18.8 18.8 0 006-1c4-1.6 5.1-3.9 5.4-5.4V51.2 41.3v-.2c0-1.3-.4-3.8-4.2-5.8zm-23.6 4.3c1.6-.7 4.2-.7 5.9 0 1.6.7 1.6 1.8 0 2.4-1.7.7-4.3.7-6 0-1.6-.6-1.6-1.7 0-2.4zm-11.8-8.5c.8-.3 2.1-.3 3 0 .7.3.7.9 0 1.2-.9.4-2.2.4-3 0-.8-.3-.8-.9 0-1.2zm-3 18.2c.9-.3 2.2-.3 3 0 .8.3.8.9 0 1.2-.8.4-2.1.4-3 0-.8-.3-.8-.9 0-1.2zm-7.3-9c.8.2.8.8 0 1.1-.8.4-2.2.4-3 0-.8-.3-.8-.9 0-1.2.8-.3 2.2-.3 3 0zm-8.9-7.4c1.7-.6 4.3-.6 6 0 1.5.7 1.5 1.8 0 2.5-1.7.6-4.3.6-6 0-1.6-.7-1.6-1.8 0-2.5zM26 42c.8-.3 2.2-.3 3 0 .8.4.8 1 0 1.2-.8.4-2.2.4-3 0-.8-.3-.8-.8 0-1.2zM90 61c0 .2-.7.9-2.2 1.5-.5.2-1 .4-1.8.5l-2.3.2a18.7 18.7 0 00-6 1L52.9 74.3c-2 .9-6 .9-8.1 0l-34.2-14-.5-.3v-4.5L42.8 69c1.6.6 3.7 1 6 1s4.3-.4 6-1l24.8-10.3a13.7 13.7 0 014-.7 18.8 18.8 0 006-1l.4-.1v4zm0-10c0 .2-.7.9-2.2 1.5-.5.2-1 .4-1.8.5l-2.3.2a18.7 18.7 0 00-6 1L52.9 64.3c-2 .9-6 .9-8.1 0l-34.2-14-.5-.3v-4.5L42.8 59c1.6.6 3.7 1 6 1s4.3-.4 6-1l24.8-10.3c1-.4 2.5-.6 4-.6 2.3 0 4.4-.4 6-1l.4-.2v4z'/%3E%3C/svg%3E");
  background-position: center center;
  background-size: 1.25em;
  background-repeat: no-repeat;
  transition: background-position 0.2s ease-in-out,
    background-image 0.5s ease-in-out, background-size 0.1s ease-in-out,
    transform 0.1s ease-out;
}

.busy .icon {
  background-image: none;
  animation: bang 1s ease-out;
  animation-iteration-count: 5;
}

.icon::before {
  content: "";
  display: block;
  opacity: 0;
  transition: opacity 0.7s ease-in-out;
}

.busy .icon::before {
  opacity: 1;
  position: absolute;
  left: 0.4em;
  top: 0.3em;
  width: 0.79em;
  height: 1.2em;
  /*  Hammer SVG  */
  content: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='100%' width='66%' viewBox='0 0 66.07 100'%3E%3Cpath d='M62 16C48-1 38 0 33 0H22l-2 1c0 1-1 2-3 2h-3l-3-2-2-1H2L0 2v14c0 2 1 3 2 3h7l2-1c0-2 2-3 3-3h3c2 0 4 2 4 4v7h14v-4c0-8 9-10 24-2 2 1 4-2 3-4zM21 32l-2 59c0 2 2 3 4 3h9c2 1 4-1 4-3l-1-59z'/%3E%3C/svg%3E");
  animation: spin 1s ease-in;
  animation-iteration-count: 5;
}

.success .icon {
  background-position: 0 center;
  background-size: 1.5em;
  /*  Happy Sandwich  */
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg height='100' width='100' fill='%23fff' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M86 29.5a16.5 16.5 0 00-17.7-15.2l-39.1 3A16.5 16.5 0 0014 35c.4 4.6 2.6 8.9 6.3 11.7L23 81.3c.1 1.3.7 2.4 1.7 3.3a5 5 0 003.5 1.1l51.7-4c1.3-.1 2.4-.7 3.3-1.7a5 5 0 001.1-3.5L81.6 42c3.2-3.4 4.8-7.9 4.4-12.5zM35.8 46.6c-.1-.7-1-1.2-1.6-1.1-1 .1-1.4 1.3-1.6 2.1-.3 1.9-3.2 1.3-2.9-.6.4-2.3 2-4.4 4.5-4.5 2.3 0 4.1 1.6 4.5 3.8.4 1.9-2.5 2.1-2.9.3zm17 21.4c-4.9.4-9.1-3.8-9.4-8.5-.1-1.9 2.8-2.1 2.9-.2.2 3.2 2.9 6.1 6.3 5.8 3.4-.3 5.5-3.7 5.2-6.8-.2-1.9 2.7-2.1 2.9-.2.5 4.6-3 9.5-7.9 9.9zm16.7-23.2c-.3-.8-.8-1.9-1.9-1.9-.7 0-1.4.7-1.4 1.3-.1 1.9-3 2.1-2.9.2.1-2.2 1.6-4.2 3.9-4.5 2.5-.3 4.4 1.6 5.1 3.8.6 1.9-2.2 2.9-2.8 1.1z'/%3E%3C/svg%3E");
}

.failure .icon {
  background-size: 1em;
  background-position: center center;
  /*  Salad SVG  */
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg height='100' width='100' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 68 64'%3E%3Cpath d='M5 42h58a30 30 0 01-58 0zM3 26h62c2 0 3 1 3 3v6c0 2-1 3-3 3H3c-2 0-3-1-3-3v-6c0-2 1-3 3-3zm50-14l4-1c4 0 7 5 8 11h-7v-1c0-3-4-3-4-1v2H42l2-4c1-2-3-4-4-1l-2 5h-9v-7a2 2 0 00-4 0v7H15l-1-3c-1-2-5-1-4 2l1 1H4C2 16 4 11 8 9c3-1 6 0 9 3 1-7 5-12 10-12 4 0 7 3 9 8 3-4 8-6 12-4 2 1 4 4 5 8z' fill='%23fff' fill-rule='nonzero'/%3E%3C/svg%3E");
}

[role="status"] {
  opacity: 0.00001; /* 1 */
  position: absolute; /* 2 */
  pointer-events: none; /* 3 */
  /*
    1. mitigate situations where some screen readers erroneously don't announce opacity :0;
    2. remove from document flow
    3. ensure the absolutely positioned text won't get in the way of clicking elements
  */
}

@keyframes spin {
  0% {
    transform: rotate(45deg);
  }
  50% {
    transform: rotate(-90deg);
  }
  100% {
    transform: rotate(45deg);
  }
}

@keyframes bang {
  0% {
    box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  }
  49% {
    box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  }
  50% {
    box-shadow: -0.1em 0.1em 0 rgba(51, 0, 0, 1);
  }
  75% {
    box-shadow: -0.2em 0.2em 0.5em rgba(0, 0, 0, 0.2);
  }
  100% {
    box-shadow: -0.5em 0.5em 1em rgba(0, 0, 0, 0);
  }
}

@media screen and (prefers-reduced-motion: reduce) {
  .icon,
  .icon::before {
    transition: none;
  }
  .busy .icon,
  .busy .icon::before {
    animation: none;
  }
}

/* Windows High Contrast Mode Support */
/* https://blogs.windows.com/msedgedev/2020/09/17/styling-for-windows-high-contrast-with-new-standards-for-forced-colors/ */
@media screen and (-ms-high-contrast: active),
  screen and (forced-colors: active) {
  .multi:hover,
  .multi:focus {
    text-decoration: underline;
    box-shadow: 0.1em 0.1em 0 ButtonFace,
      -0.1em 0.1em 0 ButtonFace,
      0.1em -0.1em 0 ButtonFace,
      -0.1em -0.1em 0 ButtonFace,
      0.2em 0.2em 0 ButtonText,
      -0.2em 0.2em 0 ButtonText,
      0.2em -0.2em 0 ButtonText,
      -0.2em -0.2em 0 ButtonText;
  }
  .busy .icon {
    border-color: ButtonFace;
  }
  .busy .icon::before {
    content: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='100%' width='66%' viewBox='0 0 66.07 100' fill='ButtonText'%3E%3Cpath d='M62 16C48-1 38 0 33 0H22l-2 1c0 1-1 2-3 2h-3l-3-2-2-1H2L0 2v14c0 2 1 3 2 3h7l2-1c0-2 2-3 3-3h3c2 0 4 2 4 4v7h14v-4c0-8 9-10 24-2 2 1 4-2 3-4zM21 32l-2 59c0 2 2 3 4 3h9c2 1 4-1 4-3l-1-59z'/%3E%3C/svg%3E");
  }
}

/* For the radio buttons */

h1, p {
  margin: 1rem 2rem;
}

h1 {
  line-height: 1;
}

fieldset {
  margin: 2rem;
  border: 0.1em solid #ddd;
}

input[type="radio"] {
  position: absolute;
  top: auto;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  width: 1px;
  height: 1px;
  white-space: nowrap;
}

input[type="radio"] + label {
  position: relative;
  display: block;
  padding: 0.5em;
  padding-left: 2em;
  max-width: calc(100% - 2em);
}

fieldset > div input[type="radio"] + label {
  margin: 0 0;
}

input[type="radio"]:focus + label {
  color: #00f;
  outline: 1px dotted #00f;
}

input[type="radio"] + label::before {
  content: "";
  background: #fff;
  border: 0.1em solid rgba(0, 0, 0, 0.75);
  background-color: rgba(255, 255, 255, 0.8);
  display: block;
  box-sizing: border-box;
  float: left;
  width: 1em;
  height: 1em;
  margin-left: -1.5em;
  margin-top: 0.15em;
  vertical-align: top;
  cursor: pointer;
  text-align: center;
  transition: all 0.1s ease-out;
}

input[type="radio"] + label::before {
  border-radius: 100%;
}

input[type="radio"]:disabled + label::before {
  border: 0.1em solid rgba(0, 0, 0, 0.1);
  background-color: rgba(0, 0, 0, 0.1);
}

input[type="radio"]:disabled + label {
  color: #ccc;
}

input[type="radio"]:checked + label::before {
  background-color: #00f;
  box-shadow: inset 0 0 0 0.15em rgba(255, 255, 255, 0.95);
}

@media screen and (-ms-high-contrast: active),
  screen and (forced-colors: active) {
  input[type="radio"] + label::after {
    display: block;
    content: "";
    position: absolute;
    top: 1.05em;
    left: 0.9em;
    width: 0.2em;
    height: 0.2em;
    border: none;
    border-radius: 50%;
    background-color: transparent;
    transition: all 0.1s ease-out;
  }
  input[type="radio"]:checked + label::after {
    top: 0.85em;
    left: 0.7em;
    width: 0.6em;
    height: 0.6em;
    background-color: windowText;
    box-sizing: border-box;
    border: 0.3em solid windowText;
    box-shadow: inset 0 0 windowText;
  }
}

JS

              
                var doc = document;

var result = doc.querySelector("#status_Failure");

var btn = doc.querySelector(".multi");
var btnLabel = doc.querySelector(".status");
var btnDefaultLabel = btnLabel.innerHTML;
var btnBusyLabel = btn.getAttribute("data-status-label");

var spin = doc.querySelector(".icon");
var live =
  doc.getElementById(btn.getAttribute("data-status-region")) ||
  doc.querySelector('[role="status"]');

var busyMsg = btn.getAttribute("data-busy-msg");
var finishedMsg = btn.getAttribute("data-finished-msg");
var failureMsg = btn.getAttribute("data-failure-msg");
var retryMsg = btn.getAttribute("data-retry-msg");

// let busyMsg = btn.dataset.busyMsg;
// let finishedMsg = btn.dataset.finishedMsg;
// let failureMsg = btn.dataset.failureMsg;
// let retryMsg = btn.dataset.retryMsg;

/*
 * The click event needs to:
 * 1. Update the live region (role=status) with appropriate announcements
 * 2. Remove the default click event(s) from the button while it's busy
 * 3. Add a busy click event to negate any repeats of the default function, as well
 *    as to provide an announcement to screen readers that the previous function
 *    is still working (busyMsg).
 */
var clickEvent = function () {
  this.classList.add("busy");
  btn.classList.remove("success");
  btn.classList.remove("failure");

  if (btnBusyLabel) {
    btnLabel.innerHTML = btnBusyLabel;
  }

  live.innerHTML = busyMsg;

  this.removeEventListener("click", clickEvent);
  this.addEventListener("click", busyEvent);

  // arbitrary timeout to demonstrate functionality.
  setTimeout(clearStatus, 4000);
};

// when the button is busy, add the busy event
// which will update the live region to announce
// that the process is still busy.
var busyEvent = function () {
  live.innerHTML = busyMsg;
};

/**
 * [clearStatus description]
 * @return {[type]} [description]
 */
var clearStatus = function () {
  if (result.checked) {
    // update the live region with a finished message
    // (if the function behind the button doesn't result
    // in a route/page change. e.g. a success screen.)
    live.innerHTML = failureMsg;

    // reset the button style and original text label
    btn.classList.remove("busy");
    btn.classList.add("failure");
    // btnLabel.innerHTML = btnDefaultLabel;
    btnLabel.innerHTML = failureMsg;

    // add the original clickEvent back and remove
    // the busyEvent.
    btn.addEventListener("click", clickEvent);
    btn.removeEventListener("click", busyEvent);

    setTimeout(function () {
      btn.classList.remove("failure");
      btnLabel.innerHTML = retryMsg;
      live.innerHTML = retryMsg;
    }, 2500);
  } else {
    // update the live region with a finished message
    // (if the function behind the button doesn't result
    // in a route/page change. e.g. a success screen.)
    live.innerHTML = finishedMsg;

    // reset the button style and original text label
    btn.classList.remove("busy");
    btn.classList.add("success");
    // btnLabel.innerHTML = btnDefaultLabel;
    btnLabel.innerHTML = finishedMsg;

    // add the original clickEvent back and remove
    // the busyEvent.
    btn.addEventListener("click", clickEvent);
    btn.removeEventListener("click", busyEvent);
  }

  /**
   * clear out the live region so that the content
   * won't be accessed by screen reader users
   * when navigating the screen.
   */
  setTimeout(function () {
    live.innerHTML = "";
  }, 4000);
};

btn.addEventListener("click", clickEvent);

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