BotFramework-WebChat/__tests__/html/assets/custom-element/keyboard-event.ce.html at 092175bb43a877f5c5eb49f6ddc623be4874c722 · microsoft/BotFramework-WebChat · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Keyboard Event Custom Element</title>
</head>
<body>
  <template>
    <style>
      /* TODO this is not needed after Chrome v133+, just use var(--event-count) */
      :host kbd::after {
        counter-set: event-index var(--event-count);
        --event-counter: counter(event-index);
      }

      kbd {
        background-color: #f7f7f7;
        border-radius: 6px;
        border: 1px solid #ccc;
        box-shadow: 0 1px 0 #aaaaaa44, 0 2px 0 #ffffff44 inset;
        color: #3e3e3e;
        font-family: ui-monospace;
        font-weight: bold;
        line-height: 1;
        padding: 0.2em 0.4em;
        position: relative;
        text-align: center;
      }

      kbd::after {
        content: var(--event-counter, var(--event-count));
        font-size: 16px;
        inset: 6px auto auto 6px;
        position: absolute;
      }

      :host(:last-of-type) kbd {
        background-color: #e4e8ec;
      }

      kbd[data-key]::before {
        content: attr(data-key);
        display: inline-block;
        height: 1em;
        text-align: center;
        width: 1em;
      }
      kbd[data-key="Enter"]::before {
        content: "⏎";
      }
      kbd[data-key="Backspace"]::before {
        content: "⌫";
      }
      kbd[data-key="Tab"]::before {
        content: "⇥";
      }
      kbd[data-key="Escape"]::before {
        content: "⎋";
      }
      kbd[data-key=" "]::before {
        content: "␣";
      }
      kbd[data-key="ArrowUp"]::before {
        content: "↑";
      }
      kbd[data-key="ArrowDown"]::before {
        content: "↓";
      }
      kbd[data-key="ArrowLeft"]::before {
        content: "←";
      }
      kbd[data-key="ArrowRight"]::before {
        content: "→";
      }
      kbd[data-key="Delete"]::before {
        content: "⌦";
      }
      kbd[data-key="Home"]::before {
        content: "⇱";
      }
      kbd[data-key="End"]::before {
        content: "⇲";
      }
      kbd[data-key="PageUp"]::before {
        content: "⇈";
      }
      kbd[data-key="PageDown"]::before {
        content: "⇊";
      }
      kbd[data-key="Insert"]::before {
        content: "⎀";
      }
      kbd[data-key="Meta"]::before {
        content: "⌘";
      }
      kbd[data-key="Control"]::before {
        content: "⌃";
      }
      kbd[data-key="Alt"]::before {
        content: "⎇";
      }
      kbd[data-key="Shift"]::before {
        content: "⇧";
      }
    </style>
    <kbd></kbd>
  </template>
  <script type="module">
    import { customElement, getCustomElementName } from '/assets/custom-element/custom-element.js';

    customElement('keyboard-event', currentDocument =>
      class KeyboardEventElement extends HTMLElement {
        constructor() {
          super();
          const template = currentDocument.querySelector('template');
          const fragment = template.content.cloneNode(true);

          const shadowRoot = this.attachShadow({ mode: 'open' });
          shadowRoot.appendChild(fragment);

          this.kbd = shadowRoot.querySelector('kbd');
        }

        set key(value) {
          this.kbd.setAttribute('data-key', value);
        }

        get key() {
          return this.kbd.getAttribute('data-key');
        }

        static listenKeyboardEvents(scope = window) {
          // const myTagName = customElements.getName(this)
          const myTagName = getCustomElementName(this);
          const abortController = new AbortController();
          scope.addEventListener('keydown', event => {
            const element = document.createElement(myTagName);
            element.key = event.key;
            document.dispatchEvent(new CustomEvent('event-stream:event', {
              detail: {
                content: element
              }
            }));
          }, { capture: true, signal: abortController.signal });

          return abortController;
        }
      }
    )
  </script>
</body>
</html>