メニューボタン

<%# Markup for the menu (APG Menu Button) demo.
    stimeo--menu is a full role="menu"/"menuitem" menu providing arrow-key roving
    focus, Esc, and outside click (distinct from the disclosure dropdown).
    Positioning (static placement) is the Playground's CSS. %>
<div class="menu" data-controller="stimeo--menu">
  <button
    type="button"
    class="menu__trigger"
    aria-haspopup="menu"
    aria-expanded="false"
    aria-controls="menu-list"
    data-stimeo--menu-target="trigger"
    data-action="click->stimeo--menu#toggle keydown->stimeo--menu#onTriggerKeydown">
    <%= t("components.menu.demo.trigger") %>
  </button>

  <%# role="menu". Each item is a role="menuitem" button (tabindex=-1). %>
  <ul id="menu-list" class="menu__list" role="menu" data-stimeo--menu-target="menu" hidden>
    <li role="none">
      <button type="button" role="menuitem" class="menu__item" tabindex="-1"
              data-stimeo--menu-target="item"
              data-action="click->stimeo--menu#activate
                           keydown->stimeo--menu#onItemKeydown"><%= t(
                "components.menu.demo.edit"
              ) %></button>
    </li>
    <li role="none">
      <button type="button" role="menuitem" class="menu__item" tabindex="-1"
              data-stimeo--menu-target="item"
              data-action="click->stimeo--menu#activate
                           keydown->stimeo--menu#onItemKeydown"><%= t(
                "components.menu.demo.duplicate"
              ) %></button>
    </li>
    <li role="none">
      <button type="button" role="menuitem" class="menu__item" tabindex="-1"
              data-stimeo--menu-target="item"
              data-action="click->stimeo--menu#activate
                           keydown->stimeo--menu#onItemKeydown"><%= t(
                "components.menu.demo.delete"
              ) %></button>
    </li>
  </ul>
</div>

/*
 * Presentation-only styles for the menu (Menu Button) demo.
 * Static placement (showing below the trigger) is this CSS's job. Dynamic collision
 * avoidance is not the library's responsibility (a future shared positioning module
 * will handle it).
 */

.menu {
  position: relative;
  display: inline-block;
}

.menu__trigger {
  padding: 0.5rem 1rem;
  font-size: 1rem;
  cursor: pointer;
  border: 1px solid var(--border-interactive);
  border-radius: 0.375rem;
  background: var(--surface-card);
}

.menu__trigger[aria-expanded="true"] {
  border-color: var(--accent);
}

.menu__list {
  position: absolute;
  left: 0;
  margin: 0.25rem 0 0;
  padding: 0.25rem;
  list-style: none;
  min-width: 12rem;
  background: var(--surface-card);
  border: 1px solid var(--border-strong);
  border-radius: 0.375rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.menu__item {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  text-align: left;
  font-size: 0.95rem;
  color: var(--color-text);
  background: transparent;
  border: 0;
  border-radius: 0.25rem;
  cursor: pointer;
}

.menu__item:hover,
.menu__item:focus {
  background: var(--surface-subtle);
}