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> |