python-stack-vis/index.htm at main · anthonywritescode/python-stack-vis · GitHub

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<!doctype html>
<html>
<head>
  <meta charset="utf-8" />
  <style>
    html, body {
      margin: 0;
      padding: 0;
      height: 100%;
      font-size: 32px;
      font-family: consolas, "ubuntu mono", monospace;
    }
    body {
      padding: 0 1rem;
      position: relative;
    }
    .frame {
      border: .25rem solid #1e77d3;
      border-radius: 1rem;
      margin: 1rem 0;
      min-height: 5rem;
      position: relative;
      padding: .5rem 2.5rem .5rem .5rem;
    }
    .button {
      border: 2px solid #333;
      border-radius: .5rem;
      width: 1.5rem;
      height: 1.5rem;
      text-align: center;
      line-height: 1.5rem;
      cursor: pointer;
      background: #efefef;
      font-family: initial;
      user-select: none;
    }
    .add {
      display: inline-block;
      transform: rotate(45deg);
    }
    .close {
      position: absolute;
      top: .25rem;
      right: .25rem;
    }

    .locals {
      margin-bottom: .5rem;
    }

    .cell {
      border: .25rem solid;
      display: inline-block;
      padding: .25rem .75rem;
    }
    .add-cell {
      position: absolute;
      top: 2.25rem;
      right: .25rem;
    }
  </style>
</head>
<body>
<div id="frames">
  <div class="button add">✕</div>
</div>
<script>
  (() => {
    const frames = document.getElementById('frames');
    const addFrame = frames.querySelector('.add');

    function closeFrame(e) {
      frames.removeChild(e.currentTarget.parentNode);
    }

    function deleteCell(e) {
      e.currentTarget.parentNode.removeChild(e.currentTarget);
    }

    function cell() {
      const cell = document.createElement('div');
      cell.classList.add('cell');
      cell.contentEditable = 'plaintext-only';
      // comment out this line for fun wiggle in firefox :)
      cell.innerText = '\u200b';
      cell.addEventListener('dblclick', deleteCell);
      return cell;
    }

    function addCell(e) {
      e.currentTarget.parentNode.appendChild(cell());
    }

    function newFrame() {
      const frame = document.createElement('div');
      frame.classList.add('frame');

      const close = document.createElement('div');
      close.classList.add('close', 'button');
      close.addEventListener('click', closeFrame);
      close.innerText = '✕';
      frame.appendChild(close);

      const locals = document.createElement('div');
      locals.classList.add('locals');
      locals.contentEditable = 'plaintext-only';
      locals.innerText = 'locals: {}';
      frame.appendChild(locals);

      frame.appendChild(cell());

      const add = document.createElement('add');
      add.classList.add('button', 'add', 'add-cell');
      add.innerText = '✕';
      add.addEventListener('click', addCell);
      frame.appendChild(add);

      frames.insertBefore(frame, addFrame);
    }

    addFrame.addEventListener('click', newFrame);
    newFrame();
  })();
</script>
</body>
</html>