CodeLearn/index.html at main · PiBOH/CodeLearn · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
    <link rel="manifest" href="/manifest.json" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover" />
    <meta name="theme-color" content="#4f46e5" />
    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
    <meta name="apple-mobile-web-app-title" content="CodeLearn_STABLE_V1.0.2j-3" />
    <meta name="mobile-web-app-capable" content="yes" />
    <meta name="description" content="App educativa per imparare a programmare: Python, JavaScript, Java, Kotlin, Swift, C#, C++, C, PHP" />
    <title>CodeLearn_STABLE_V1.0.2j-3 — PiBOH</title>
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      <script data-element-picker>/**
 * Agon Element Picker — injected into the preview iframe.
 *
 * Listens for postMessage from the parent to toggle inspect mode.
 * In inspect mode, hovering highlights elements and clicking sends
 * the element's source location (from data-source-loc) back to the parent.
 *
 * Protocol:
 *   Parent -> iframe:  { type: 'inspect:mode', enabled: true/false }
 *   iframe -> Parent:  { type: 'element:selected', file, line, column, tag, text, classes, id }
 */
(function () {
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  var label = null;
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    return null;
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    if (parts.length < 3) return { file: sourceStr, line: 0, column: 0 };
    var col = parseInt(parts.pop(), 10);
    var line = parseInt(parts.pop(), 10);
    var file = parts.join(':'); // rejoin in case path has colons (unlikely but safe)
    return { file: file, line: line, column: col };
  }

  function highlightElement(el) {
    if (!overlay || !el) return;

    var rect = el.getBoundingClientRect();
    overlay.style.top = rect.top + 'px';
    overlay.style.left = rect.left + 'px';
    overlay.style.width = rect.width + 'px';
    overlay.style.height = rect.height + 'px';
    overlay.style.display = 'block';

    var tag = el.tagName.toLowerCase();
    var src = el.getAttribute('data-source-loc');
    var labelText = '<' + tag + '>';
    if (src) {
      var parsed = parseSource(src);
      labelText += '  ' + parsed.file + ':' + parsed.line;
    }
    label.textContent = labelText;

    // Position label above the element, or below if too close to top
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    if (labelTop < 4) labelTop = rect.bottom + 4;
    label.style.top = labelTop + 'px';
    label.style.left = Math.max(4, rect.left) + 'px';
    label.style.display = 'block';
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  function hideOverlay() {
    if (overlay) overlay.style.display = 'none';
    if (label) label.style.display = 'none';
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    if (!inspectEnabled) return;
    var target = e.target;

    // Skip our own overlay elements
    if (target === overlay || target === label) return;
    if (target.id === '__picker-overlay' || target.id === '__picker-label') return;

    var found = findSourceAttr(target);
    if (found) {
      currentTarget = found.element;
      highlightElement(found.element);
    } else {
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    var related = e.relatedTarget;
    if (related === overlay || related === label) return;
    if (!e.relatedTarget || e.relatedTarget === document) {
      hideOverlay();
    }
  }

  function onClick(e) {
    if (!inspectEnabled) return;

    e.preventDefault();
    e.stopPropagation();
    e.stopImmediatePropagation();

    var target = e.target;
    if (target === overlay || target === label) return;

    var found = findSourceAttr(target);
    var element = found ? found.element : target;
    var sourceStr = found ? found.source : null;

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      tag: element.tagName.toLowerCase(),
      text: (element.textContent || '').trim().substring(0, 200),
      classes: element.className && typeof element.className === 'string'
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      id: element.id || '',
      file: null,
      line: null,
      column: null,
    };

    if (sourceStr) {
      var parsed = parseSource(sourceStr);
      info.file = parsed.file;
      info.line = parsed.line;
      info.column = parsed.column;
    }

    // Send to parent
    if (window.parent && window.parent !== window) {
      window.parent.postMessage(info, '*');
    }
    // Also log locally for standalone testing
    console.log('[element-picker] Selected:', info);
  }

  function enableInspect() {
    if (inspectEnabled) return;
    inspectEnabled = true;
    createOverlay();
    document.addEventListener('mouseover', onMouseOver, true);
    document.addEventListener('mouseout', onMouseOut, true);
    document.addEventListener('click', onClick, true);
    document.body.style.cursor = 'crosshair';
    console.log('[element-picker] Inspect mode ON');
  }

  function disableInspect() {
    if (!inspectEnabled) return;
    inspectEnabled = false;
    document.removeEventListener('mouseover', onMouseOver, true);
    document.removeEventListener('mouseout', onMouseOut, true);
    document.removeEventListener('click', onClick, true);
    hideOverlay();
    removeOverlay();
    document.body.style.cursor = '';
    console.log('[element-picker] Inspect mode OFF');
  }

  // Listen for commands from parent
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      if (e.data.enabled) {
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      } else {
        disableInspect();
      }
    }
  });

  // Also support toggling via keyboard (Alt+Shift+I) for standalone testing
  document.addEventListener('keydown', function (e) {
    if (e.altKey && e.shiftKey && e.key === 'I') {
      if (inspectEnabled) {
        disableInspect();
      } else {
        enableInspect();
      }
    }
  });

  console.log('[element-picker] Loaded. Waiting for inspect-mode command (or press Alt+Shift+I).');
})();
</script>
  </body>
</html>