zenuml-core/index.html at main · mermaid-js/zenuml-core · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <!-- <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin /> -->
    <!-- <link
      rel="preload stylesheet"
      as="style"
      href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap"
    /> -->
    <style id="zenumlstyle">
      /* Custom styles for the diagram */
    </style>
    <link
      rel="stylesheet"
      href="/vendor/highlightjs/github-dark.min.css"
    />
    <script src="/vendor/codemirror/codemirror.min.js"></script>
    <link
      rel="stylesheet"
      href="/vendor/codemirror/codemirror.min.css"
    />
    <link
      rel="stylesheet"
      href="/vendor/codemirror/material-darker.min.css"
    />
    <title>ZenUML - Local Development</title>
    <style>
      * {
        font-family:
          "Inter",
          -apple-system,
          BlinkMacSystemFont,
          "Segoe UI",
          "Roboto",
          sans-serif;
      }

      code,
      .CodeMirror {
        font-family: "JetBrains Mono", "Monaco", "Consolas", monospace;
      }

      .CodeMirror {
        font-size: 14px;
        height: 100%;
        overflow: hidden;
      }

      .CodeMirror-scroll {
        padding: 1rem;
      }

      .zenuml .CodeMirror .CodeMirror-cursor {
        border-color: #fff;
        border-left-width: 2px;
      }

      .gradient-text {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }

      .editor-shadow {
        box-shadow:
          0 20px 25px -5px rgba(0, 0, 0, 0.1),
          0 10px 10px -5px rgba(0, 0, 0, 0.04);
      }
    </style>
    <script src="/vendor/tailwindcss/tailwindcss.js"></script>
  </head>
  <body class="bg-gray-50">
    <!-- Main Editor Section -->
    <div class="w-full h-screen p-4">
      <div class="grid grid-cols-3 gap-4 h-full" id="diagram1">
        <!-- Editor Panel -->
        <div
          class="bg-white rounded-lg shadow-lg editor-shadow overflow-hidden h-full"
        >
          <div
            class="bg-gray-800 text-white px-4 py-3 flex items-center justify-between"
          >
            <h3 class="font-medium">Editor</h3>
            <div class="flex space-x-2">
              <button
                onclick="loadExample('basic')"
                class="text-sm bg-gray-700 hover:bg-gray-600 px-3 py-1 rounded transition-colors"
              >
                Basic
              </button>
              <button
                onclick="loadExample('advanced')"
                class="text-sm bg-gray-700 hover:bg-gray-600 px-3 py-1 rounded transition-colors"
              >
                Advanced
              </button>
              <button
                onclick="clearEditor()"
                class="text-sm bg-gray-700 hover:bg-gray-600 px-3 py-1 rounded transition-colors"
              >
                Clear
              </button>
              <button
                onclick="exportDiagram()"
                class="text-sm bg-blue-600 hover:bg-blue-700 px-3 py-1 rounded transition-colors"
              >
                Export PNG
              </button>
            </div>
          </div>
          <div style="height: calc(100% - 52px)">
            <textarea id="text" style="display: none"></textarea>
          </div>
        </div>

        <!-- Preview Panel -->
        <div
          class="bg-white rounded-lg shadow-lg editor-shadow overflow-hidden h-full col-span-2"
        >
          <div class="bg-gray-800 text-white px-4 py-3">
            <h3 class="font-medium">Preview</h3>
          </div>
          <div style="height: calc(100% - 52px); overflow: auto" class="p-4">
            <pre class="zenuml" style="margin: 0"></pre>
          </div>
        </div>
      </div>
    </div>

    <script type="module">
      import { waitUntil, debounce } from "./src/utils.ts";
      import { createConfig } from "./src/config.ts";
      import { toPng } from "html-to-image";

      const editor = CodeMirror.fromTextArea(document.getElementById("text"), {
        lineNumbers: true,
        singleCursorHeightPerLine: false,
        theme: "material-darker",
        mode: "text/plain",
        autofocus: true,
      });

      const updateDiagram = debounce((content) => {
        const config = createConfig({
          onContentChange: (code) => editor.setValue(code),
        });

        window.zenUml.render(content, config).then((r) => {
          window.parentLogger
            .child({ name: "index.html" })
            .debug("render resolved", r);
        });
      }, 500);

      editor.on("change", function (cm) {
        waitUntil(
          () => window.zenUml,
          () => {
            updateDiagram(cm.getValue());
            // Save to localStorage
            localStorage.setItem("zenuml-cm-code", cm.getValue());
          },
        );
      });

      // Example data
      const examples = {
        basic: `Alice -> Bob: Hello Bob!
Bob -> Alice: Hello Alice!`,
        advanced: `title Online Shopping
participant Customer
participant WebApp
participant PaymentService
participant Database

Customer -> WebApp: Browse products
WebApp -> Database: Query products
Database --> WebApp: Return products
WebApp --> Customer: Display products

Customer -> WebApp: Add to cart
WebApp -> Database: Update cart
Database --> WebApp: Cart updated
WebApp --> Customer: Show cart

Customer -> WebApp: Checkout
WebApp -> PaymentService: Process payment
PaymentService --> WebApp: Payment confirmed
WebApp -> Database: Create order
Database --> WebApp: Order created
WebApp --> Customer: Order confirmation`,
      };

      // Global functions
      window.loadExample = function (type) {
        editor.setValue(examples[type] || examples.basic);
      };

      window.clearEditor = function () {
        editor.setValue("");
      };

      window.exportDiagram = async function () {
        const element = document.querySelector(".zenuml");
        if (element) {
          try {
            const dataUrl = await toPng(element);
            const link = document.createElement("a");
            link.download = "sequence-diagram.png";
            link.href = dataUrl;
            link.click();
          } catch (error) {
            console.error("Failed to export diagram:", error);
          }
        }
      };

      // Load saved code from localStorage or default example
      const savedCode = localStorage.getItem("zenuml-cm-code");
      if (savedCode) {
        editor.setValue(savedCode);
      } else {
        editor.setValue(examples.basic);
      }
    </script>
    <script type="module" src="/src/main.tsx"></script>
  </body>
</html>