164 lines
6.5 KiB
HTML
164 lines
6.5 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Mermaid Diagram with Zoom and Pan</title>
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<!-- Include the Mermaid library via CDN -->
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<script src="https://cdn.jsdelivr.net/npm/mermaid@10.9.0/dist/mermaid.min.js"></script>
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<!-- Include the Panzoom.js library -->
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<script src="https://cdn.jsdelivr.net/npm/panzoom@9.4.3/dist/panzoom.min.js"></script>
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<style>
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/* Container to hold the Mermaid diagram */
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#mermaidContainer {
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width: 100%;
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max-width: 1200px; /* Control the max width */
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height: 80vh; /* Control the height based on the viewport */
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margin: auto;
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border: 1px solid #ddd; /* Optional: border for visibility */
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position: relative;
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overflow: hidden; /* Ensure overflow is hidden */
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}
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/* Position the zoom buttons at the top of the diagram */
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#zoomControls {
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display: flex;
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justify-content: center;
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margin-bottom: 10px;
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}
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.zoom-btn {
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padding: 10px;
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margin: 0 5px;
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font-size: 16px;
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cursor: pointer;
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background-color: #007BFF;
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color: white;
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border: none;
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border-radius: 5px;
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}
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.zoom-btn:hover {
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background-color: #0056b3;
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}
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svg {
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width: 100%; /* Ensure the SVG fits the container width */
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height: 100%; /* Ensure the SVG fits the container height */
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}
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/* Styles for the log container */
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#logContainer {
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margin-top: 20px;
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padding: 10px;
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border: 1px solid #ccc;
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background-color: #f9f9f9;
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max-height: 200px;
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overflow-y: auto;
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}
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</style>
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</head>
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<body>
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<h1>Mermaid Flowchart with Zoom and Pan</h1>
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<!-- Zoom Controls -->
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<div id="zoomControls">
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<button class="zoom-btn" id="zoomIn">Zoom In</button>
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<button class="zoom-btn" id="zoomOut">Zoom Out</button>
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<button class="zoom-btn" id="resetZoom">Reset</button>
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</div>
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<!-- Mermaid diagram container -->
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<div id="mermaidContainer" class="mermaid">
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flowchart TD
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A[Cloud User] -->|CHF/EUR/...| B(CLOUD MARKET PLACE<br>Discount based on position<br>in TF Liquidity Pool.)
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A[Cloud User] -->|CHF/EUR/...| B2((ThreeFold<br>Liquidity Pool))
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B2 -->|TFT or INCA| B
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B -->|TFT or INCA| C{Proof Of Utilization}
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G[FARMING GRANTS<br>40m Tokens / Month] --> I{Proof Of Capacity<br>uptime, location, ...} --> D
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C -->|80%| D[ThreeFold Farmers]
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C -->|10%| E[ThreeFold Cooperative]
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C -->|10%| F[Validators<br>Commercial Partners]
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</div>
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<!-- Log container -->
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<div id="logContainer"></div>
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<script>
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function log(message) {
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const logContainer = document.getElementById('logContainer');
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logContainer.innerHTML += message + '<br>';
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console.log(message);
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}
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document.addEventListener('DOMContentLoaded', function () {
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// Initialize Mermaid
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mermaid.initialize({ startOnLoad: true });
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// Watch for changes in the DOM to detect when the SVG is rendered
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const observer = new MutationObserver(function () {
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const svgElement = document.querySelector('#mermaidContainer svg');
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if (svgElement) {
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// Once the SVG is found, disconnect the observer
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observer.disconnect();
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// Log SVG details
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log('SVG found:');
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log(`- Width: ${svgElement.width.baseVal.value}`);
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log(`- Height: ${svgElement.height.baseVal.value}`);
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log(`- ViewBox: ${svgElement.getAttribute('viewBox')}`);
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// Set the viewBox on the SVG element to fit the entire diagram
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const svgBox = svgElement.getBBox();
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svgElement.setAttribute('viewBox', `0 0 ${svgBox.width} ${svgBox.height}`);
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log(`- Updated ViewBox: ${svgElement.getAttribute('viewBox')}`);
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// Log the number of child elements
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log(`- Number of child elements: ${svgElement.children.length}`);
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// Apply Panzoom to enable zoom and pan functionality
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const panzoomInstance = panzoom(svgElement, {
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maxScale: 10, // Maximum zoom level
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minScale: 0.5, // Minimum zoom level
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contain: 'outside', // Ensure the SVG stays within bounds
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panOnlyWhenZoomed: true, // Enable panning only when zoomed
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initialX: 300,
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initialY: 500,
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initialZoom: 2
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});
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log('Panzoom initialized');
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// Enable zooming with the mouse wheel, marking the event listener as passive
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svgElement.parentElement.addEventListener('wheel', panzoomInstance.zoomWithWheel, { passive: true });
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// Hook up the zoom buttons
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document.getElementById('zoomIn').addEventListener('click', function() {
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const currentScale = panzoomInstance.getScale();
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panzoomInstance.scaleTo(svgElement.clientWidth / 2, svgElement.clientHeight / 2, currentScale * 1.2);
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log(`Zoomed in. New scale: ${panzoomInstance.getScale()}`);
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});
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document.getElementById('zoomOut').addEventListener('click', function() {
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const currentScale = panzoomInstance.getScale();
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panzoomInstance.scaleTo(svgElement.clientWidth / 2, svgElement.clientHeight / 2, currentScale * 0.8);
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log(`Zoomed out. New scale: ${panzoomInstance.getScale()}`);
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});
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document.getElementById('resetZoom').addEventListener('click', function() {
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panzoomInstance.reset(); // Reset zoom and pan to the initial state
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log('Zoom reset');
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});
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}
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});
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// Observe changes inside the mermaidContainer
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const container = document.querySelector('#mermaidContainer');
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observer.observe(container, { childList: true, subtree: true });
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});
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</script>
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</body>
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</html> |