squibview/examples/example_themes.html at main · deftio/squibview · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>SquibView Themes Example</title>
  <link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'><circle cx='16' cy='16' r='14' fill='%23f57c00' stroke='%23000' stroke-width='1'/><path d='M2 16h28M16 2a14 14 0 0114 14 14 14 0 01-14 14 14 14 0 01-14-14A14 14 0 0116 2zm0 0v28M9 16a7 7 0 0014 0 7 7 0 00-14 0z' fill='none' stroke='%23000' stroke-width='1'/></svg>">

  <!-- SquibView CSS -->
  <link rel="stylesheet" href="../dist/squibview.min.css">

  <!-- Common example styles -->
  <link rel="stylesheet" href="examples.css">

  <style>
    /* Page-specific styles */

    .container {
      display: flex;
      gap: 20px;
      height: calc(100vh - 140px);
    }

    .editor-section {
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    #editor {
      flex: 1;
      min-height: 0;
    }

    .controls-section {
      flex: 1;
      overflow-y: auto;
      padding: 20px;
      background: #f5f5f5;
      border-radius: 8px;
    }

    /* Theme buttons */
    .theme-buttons {
      display: flex;
      gap: 10px;
      margin-bottom: 30px;
    }

    .theme-btn {
      flex: 1;
      padding: 15px;
      border: 2px solid #ddd;
      background: white;
      border-radius: 8px;
      cursor: pointer;
      text-align: center;
      transition: all 0.3s ease;
    }

    .theme-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }

    .theme-btn.active {
      border-color: #2a57d3;
      background: #f0f4ff;
    }

    .theme-btn h4 {
      margin: 0 0 5px 0;
      color: #333;
    }

    .theme-btn p {
      margin: 0;
      font-size: 14px;
      color: #666;
    }

    /* Code examples */
    .code-example {
      background: white;
      border: 1px solid #ddd;
      border-radius: 4px;
      padding: 15px;
      margin-bottom: 20px;
    }

    .code-example h4 {
      margin: 0 0 10px 0;
      color: #333;
    }

    .code-example pre {
      margin: 0;
      padding: 10px;
      background: #f8f8f8;
      border-radius: 4px;
      overflow-x: auto;
      font-size: 13px;
      line-height: 1.4;
    }

    .code-example code {
      font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    }

    /* Color swatches */
    .color-swatches {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 10px;
      margin-top: 10px;
    }

    .swatch {
      padding: 10px;
      border-radius: 4px;
      text-align: center;
      font-size: 12px;
      font-family: monospace;
    }

    /* High contrast theme */
    .high-contrast-theme {
      --squibview-background-color: #000;
      --squibview-input-background-color: #000;
      --squibview-output-background-color: #000;
      --squibview-primary-color: #1a1a1a;
      --squibview-primary-text-color: #ffffff;
      --squibview-secondary-color: #ffffff;
      --squibview-secondary-text-color: #000000;
      --squibview-border-color: #fff;
      --squibview-gutter-bg: #000;
      --squibview-gutter-fg: #fff;
      --squibview-gutter-border: #fff;
      --squibview-table-header-bg: #1a1a1a;
      --squibview-code-block-bg: #0a0a0a;
      --squibview-caret-color: #ffff00;
    }

    .high-contrast-theme .squibview-input,
    .high-contrast-theme .squibview-output {
      color: #fff;
      background-color: #000;
      font-weight: 500;
    }

    .high-contrast-theme .squibview-input {
      caret-color: #fff;
    }

    .high-contrast-theme .squibview-line-gutter {
      background-color: #000 !important;
      color: #fff !important;
      border-right: 2px solid #fff;
    }

    .high-contrast-theme .squibview-title {
      background-color: #000;
      color: #fff;
      border-bottom: 2px solid #fff;
      font-weight: bold;
    }

    .high-contrast-theme .squibview-controls {
      background-color: #000;
      border-bottom: 2px solid #fff;
    }

    .high-contrast-theme .squibview-controls button {
      background-color: #1a1a1a;
      color: #ffffff;
      border: 2px solid #ffffff;
    }

    .high-contrast-theme .squibview-controls button:hover {
      background-color: #333;
    }

    .high-contrast-theme .squibview-controls button.active {
      background-color: #ffffff;
      color: #000000;
      border-color: #ffffff;
    }

    /* Dark theme controls section */
    .dark-theme .controls-section {
      background: #2d2d2d;
      color: #e0e0e0;
    }

    .dark-theme .code-example {
      background: #1a1a1a;
      border-color: #444;
    }

    .dark-theme .code-example h4 {
      color: #e0e0e0;
    }

    .dark-theme .code-example pre {
      background: #0d0d0d;
    }

    .dark-theme .theme-btn {
      background: #2d2d2d;
      border-color: #444;
    }

    .dark-theme .theme-btn h4 {
      color: #e0e0e0;
    }

    .dark-theme .theme-btn p {
      color: #aaa;
    }

    .dark-theme .theme-btn.active {
      background: #3d3d3d;
      border-color: #4a9eff;
    }

    /* High contrast controls section */
    .high-contrast-theme .controls-section {
      background: #000;
      color: #fff;
      border: 2px solid #fff;
    }

    .high-contrast-theme .code-example {
      background: #000;
      border: 2px solid #fff;
    }

    .high-contrast-theme .code-example h4 {
      color: #ffff00;
    }

    .high-contrast-theme .code-example pre {
      background: #000;
      border: 1px solid #fff;
      color: #fff;
    }

    .high-contrast-theme .code-example code {
      color: #fff;
    }

    .high-contrast-theme .theme-btn {
      background: #000;
      border: 2px solid #fff;
    }

    .high-contrast-theme .theme-btn h4 {
      color: #ffff00;
    }

    .high-contrast-theme .theme-btn p {
      color: #fff;
    }

    .high-contrast-theme .theme-btn.active {
      background: #ffff00;
      border-color: #fff;
    }

    .high-contrast-theme .theme-btn.active h4 {
      color: #000;
    }

    .high-contrast-theme .theme-btn.active p {
      color: #000;
    }

    /* High contrast theme for rendered output */
    .high-contrast-theme .squibview-output h1,
    .high-contrast-theme .squibview-output h2,
    .high-contrast-theme .squibview-output h3,
    .high-contrast-theme .squibview-output h4,
    .high-contrast-theme .squibview-output h5,
    .high-contrast-theme .squibview-output h6 {
      color: #ffff00;
    }

    .high-contrast-theme .squibview-output code {
      background-color: #000;
      color: #fff;
      border: 1px solid #fff;
      padding: 2px 4px;
    }

    .high-contrast-theme .squibview-output pre code {
      background-color: #000;
      border: none;
      padding: 1em;
    }

    .high-contrast-theme .squibview-output pre {
      border: 1px solid #fff;
      background-color: #000;
    }

    /* Override highlight.js colors for high contrast */
    .high-contrast-theme .hljs {
      background: #000;
      color: #fff;
    }

    .high-contrast-theme .hljs-keyword,
    .high-contrast-theme .hljs-selector-tag,
    .high-contrast-theme .hljs-title,
    .high-contrast-theme .hljs-section,
    .high-contrast-theme .hljs-doctag,
    .high-contrast-theme .hljs-name,
    .high-contrast-theme .hljs-strong {
      color: #ffff00;
    }

    .high-contrast-theme .hljs-string,
    .high-contrast-theme .hljs-number,
    .high-contrast-theme .hljs-literal,
    .high-contrast-theme .hljs-type,
    .high-contrast-theme .hljs-built_in,
    .high-contrast-theme .hljs-builtin-name {
      color: #00ff00;
    }

    .high-contrast-theme .squibview-output blockquote {
      border-left: 4px solid #ffff00;
      color: #fff;
    }

    .high-contrast-theme .squibview-output table {
      color: #fff;
    }

    .high-contrast-theme .squibview-output th {
      background-color: #1a1a1a;
      color: #ffff00;
      border: 2px solid #fff;
    }

    .high-contrast-theme .squibview-output td {
      border: 1px solid #fff;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .container {
        flex-direction: column;
      }

      .editor-section,
      .controls-section {
        flex: none;
        height: 50%;
      }
    }
  </style>
</head>
<body>
  <h1>SquibView Themes Example</h1>
  <p>This example demonstrates SquibView's theming system with three built-in themes and shows how to create custom themes.</p>

  <div class="container">
    <div class="editor-section">
      <div id="editor"></div>
    </div>

    <div class="controls-section">
      <h2>SquibView Theme System</h2>
      <p>SquibView supports theming through CSS custom properties. Choose a theme below or create your own.</p>

      <h3>Built-in Themes</h3>
      <div class="theme-buttons">
        <button class="theme-btn active" data-theme="light">
          <h4>Light</h4>
          <p>Default theme with light background</p>
        </button>
        <button class="theme-btn" data-theme="dark">
          <h4>Dark</h4>
          <p>Dark theme for low-light environments</p>
        </button>
        <button class="theme-btn" data-theme="high-contrast">
          <h4>High Contrast</h4>
          <p>Maximum contrast for accessibility</p>
        </button>
      </div>

      <div class="code-example">
        <h4>Applying a Theme</h4>
        <pre><code>// Method 1: Add class to body or container
document.body.classList.add('dark-theme');

// Method 2: Add data attribute
editor.container.setAttribute('data-theme', 'dark');

// Method 3: Override CSS variables directly
editor.container.style.setProperty('--squibview-background-color', '#1a1a1a');</code></pre>
      </div>

      <div class="code-example">
        <h4>Creating a Custom Theme</h4>
        <pre><code>/* Define your theme with CSS custom properties */
.my-custom-theme {
  --squibview-primary-color: #ff6b6b;
  --squibview-background-color: #f8f9fa;
  --squibview-border-color: #dee2e6;
  --squibview-input-background-color: #ffffff;
  /* ... more properties */
}</code></pre>
      </div>

      <div class="code-example">
        <h4>Current Theme Colors</h4>
        <div class="color-swatches" id="colorSwatches">
          <!-- Will be populated dynamically -->
        </div>
      </div>

      <div class="code-example">
        <h4>Available CSS Variables</h4>
        <pre><code>--squibview-primary-color
--squibview-primary-text-color
--squibview-secondary-color
--squibview-secondary-text-color
--squibview-border-color
--squibview-background-color
--squibview-input-background-color
--squibview-output-background-color
--squibview-table-header-bg
--squibview-code-block-bg
--squibview-gutter-bg
--squibview-gutter-fg
--squibview-gutter-border</code></pre>
      </div>
    </div>
  </div>

  <script type="module">
    import SquibView from '../dist/squibview.esm.min.js';

    // Import external libraries for advanced features
    const loadExternalLibraries = async () => {
      // Load highlight.js first (it needs to be loaded via script tag for proper global setup)
      await new Promise((resolve) => {
        const script = document.createElement('script');
        script.src = 'https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.5.1/highlight.min.js';
        script.onload = resolve;
        document.head.appendChild(script);
      });

      // Load other libraries in parallel
      const [mermaid, leaflet, topojson, THREE] = await Promise.all([
        import('https://unpkg.com/mermaid@10/dist/mermaid.esm.min.mjs'),
        import('https://unpkg.com/leaflet@1.9.4/dist/leaflet-src.esm.js'),
        import('https://unpkg.com/topojson-client@3.1.0/dist/topojson-client.min.js').then(() => window.topojson),
        import('https://unpkg.com/three@0.164.1/build/three.module.js')
      ]);

      // Make libraries globally available for SquibView
      window.mermaid = mermaid.default;
      window.L = leaflet;
      window.THREE = THREE;

      // Configure Leaflet icons
      if (leaflet.Icon && leaflet.Icon.Default) {
        delete leaflet.Icon.Default.prototype._getIconUrl;
        leaflet.Icon.Default.mergeOptions({
          iconUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-icon.png',
          iconRetinaUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-icon-2x.png',
          shadowUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-shadow.png'
        });
      }

      // Initialize mermaid
      mermaid.default.initialize({ startOnLoad: false });
    };

    // Sample content demonstrating various elements
    const sampleContent = `# Theme Demonstration

This editor demonstrates SquibView's theming capabilities. Try switching between **Light**, **Dark**, and **High Contrast** themes using the buttons on the right.

## Code Example

\`\`\`javascript
// Fibonacci sequence generator
function* fibonacci() {
  let [prev, curr] = [0, 1];
  while (true) {
    yield curr;
    [prev, curr] = [curr, prev + curr];
  }
}

// Usage
const fib = fibonacci();
for (let i = 0; i < 10; i++) {
  console.log(fib.next().value);
}
\`\`\`

## Table Example

| Theme | Background | Primary | Use Case |
|-------|------------|---------|----------|
| Light | White | Blue | Default, daytime use |
| Dark | Black | Light Blue | Low-light environments |
| High Contrast | Black | Yellow | Accessibility |

## Lists and Formatting

1. **Bold text** stands out in all themes
2. *Italic text* maintains readability
3. \`Inline code\` is clearly distinguished
4. ~~Strikethrough~~ works in all themes

> Blockquotes adapt to the theme's color scheme
> maintaining readability and visual hierarchy

### Links and Interactive Elements

- [SquibView Documentation](https://github.com/deftio/squibview)
- [Theme Customization Guide](#)
- [Accessibility Guidelines](#)

## Mermaid Diagram

\`\`\`mermaid
graph LR
    A[Light Theme] --> B{User Choice}
    B --> C[Dark Theme]
    B --> D[High Contrast]
    C --> E[Low Light]
    D --> F[Accessibility]
\`\`\`

---

The theme system ensures all elements remain readable and accessible across different color schemes.`;

    // Initialize SquibView after loading dependencies
    await loadExternalLibraries();

    // Create editor instance
    const editor = new SquibView('#editor', {
      initialContent: sampleContent,
      title: 'Theme Preview',
      initialView: 'split',
      showControls: true,
      showLineNumbers: true
    });

    // Theme management
    let currentTheme = 'light';
    const themes = {
      'light': '',
      'dark': 'dark-theme',
      'high-contrast': 'high-contrast-theme'
    };

    // Update color swatches display
    function updateColorSwatches() {
      const swatchContainer = document.getElementById('colorSwatches');
      const computedStyle = getComputedStyle(editor.container);

      const colors = [
        { name: 'Primary', var: '--squibview-primary-color' },
        { name: 'Background', var: '--squibview-background-color' },
        { name: 'Border', var: '--squibview-border-color' },
        { name: 'Input BG', var: '--squibview-input-background-color' }
      ];

      swatchContainer.innerHTML = colors.map(color => {
        const value = computedStyle.getPropertyValue(color.var).trim();
        return `
          <div class="swatch" style="background: ${value}; color: ${getContrastColor(value)}; border: 1px solid ${currentTheme === 'high-contrast' ? '#fff' : '#ddd'}">
            <div>${color.name}</div>
            <div>${value}</div>
          </div>
        `;
      }).join('');
    }

    // Helper to get contrasting text color
    function getContrastColor(hexcolor) {
      if (!hexcolor || hexcolor === 'white' || hexcolor === '#fff' || hexcolor === '#ffffff') return '#000';
      if (hexcolor === 'black' || hexcolor === '#000' || hexcolor === '#000000') return '#fff';

      // Convert to RGB
      const r = parseInt(hexcolor.substr(1, 2), 16);
      const g = parseInt(hexcolor.substr(3, 2), 16);
      const b = parseInt(hexcolor.substr(5, 2), 16);

      // Calculate luminance
      const luminance = (0.299 * r + 0.587 * g + 0.114 * b) / 255;

      return luminance > 0.5 ? '#000' : '#fff';
    }

    // Theme switching
    document.querySelectorAll('.theme-btn').forEach(btn => {
      btn.addEventListener('click', () => {
        const theme = btn.dataset.theme;

        // Update active button
        document.querySelectorAll('.theme-btn').forEach(b => b.classList.remove('active'));
        btn.classList.add('active');

        // Remove all theme classes
        Object.values(themes).forEach(themeClass => {
          if (themeClass) document.body.classList.remove(themeClass);
        });

        // Apply new theme
        if (themes[theme]) {
          document.body.classList.add(themes[theme]);
        }

        currentTheme = theme;
        updateColorSwatches();

        // Re-render to update any theme-dependent content
        editor.renderOutput();
      });
    });

    // Initial color swatches
    updateColorSwatches();

    // Make editor available for debugging
    window.editor = editor;
  </script>
</body>
</html>