feat: live topology view through websocket updates

public/scripts/components/TopologyGraphComponent.js

@@ -291,14 +291,23 @@ class TopologyGraphComponent extends Component {
         // Clear existing content
         container.innerHTML = '';
 
+        // Create a wrapper for SVG and controls
+        const wrapper = document.createElement('div');
+        wrapper.style.position = 'relative';
+        wrapper.style.width = '100%';
+        wrapper.style.height = '100%';
+        container.appendChild(wrapper);
+
+        // Add rearrange button
+        this.createRearrangeButton(wrapper);
+
         // Create SVG element
-        this.svg = d3.select(container)
+        this.svg = d3.select(wrapper)
             .append('svg')
             .attr('width', '100%')
             .attr('height', '100%')
             .attr('viewBox', `0 0 ${this.width} ${this.height}`)
             .style('border', '1px solid rgba(255, 255, 255, 0.1)')
-            //.style('background', 'rgba(0, 0, 0, 0.2)')
             .style('border-radius', '12px');
 
         // Add zoom behavior
@@ -319,6 +328,94 @@ class TopologyGraphComponent extends Component {
         logger.debug('TopologyGraphComponent: SVG setup completed');
     }
 
+    createRearrangeButton(container) {
+        const button = document.createElement('button');
+        button.className = 'topology-rearrange-btn';
+        button.innerHTML = `
+            <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                <circle cx="12" cy="5" r="1.5"/>
+                <circle cx="12" cy="12" r="1.5"/>
+                <circle cx="12" cy="19" r="1.5"/>
+                <circle cx="5" cy="12" r="1.5"/>
+                <circle cx="19" cy="12" r="1.5"/>
+                <path d="M12 7v3m0 2v3m-5-3h3m2 0h3"/>
+            </svg>
+            <span>Rearrange</span>
+        `;
+        button.title = 'Rearrange nodes into a clean layout';
+        button.style.cssText = `
+            position: absolute;
+            left: 16px;
+            top: 16px;
+            z-index: 10;
+            display: flex;
+            align-items: center;
+            gap: 8px;
+            padding: 8px 14px;
+            background: var(--card-background, rgba(30, 30, 30, 0.95));
+            border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
+            border-radius: 8px;
+            color: var(--text-primary, #ecf0f1);
+            font-size: 13px;
+            font-weight: 500;
+            cursor: pointer;
+            transition: all 0.2s ease;
+            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
+        `;
+
+        // Add hover effect
+        button.addEventListener('mouseenter', () => {
+            button.style.background = 'var(--card-hover, rgba(40, 40, 40, 0.95))';
+            button.style.borderColor = 'var(--primary-color, #3498db)';
+            button.style.transform = 'translateY(-1px)';
+            button.style.boxShadow = '0 4px 12px rgba(0, 0, 0, 0.3)';
+        });
+
+        button.addEventListener('mouseleave', () => {
+            button.style.background = 'var(--card-background, rgba(30, 30, 30, 0.95))';
+            button.style.borderColor = 'var(--border-color, rgba(255, 255, 255, 0.1))';
+            button.style.transform = 'translateY(0)';
+            button.style.boxShadow = '0 2px 8px rgba(0, 0, 0, 0.2)';
+        });
+
+        button.addEventListener('click', () => {
+            this.rearrangeNodes();
+        });
+
+        container.appendChild(button);
+    }
+
+    rearrangeNodes() {
+        logger.debug('TopologyGraphComponent: Rearranging nodes');
+
+        // Clear all manually dragged positions
+        this.draggedNodePositions.clear();
+        logger.debug('TopologyGraphComponent: Cleared dragged positions');
+
+        if (!this.simulation) {
+            logger.warn('TopologyGraphComponent: No simulation to rearrange');
+            return;
+        }
+
+        // Get current nodes and reset their fixed positions
+        const nodes = this.simulation.nodes();
+        nodes.forEach(node => {
+            node.fx = null;
+            node.fy = null;
+            // Give them a slight random velocity to help spread out
+            node.vx = (Math.random() - 0.5) * 50;
+            node.vy = (Math.random() - 0.5) * 50;
+        });
+
+        // Restart the simulation with high alpha for a fresh layout
+        this.simulation
+            .alpha(1)
+            .alphaTarget(0)
+            .restart();
+
+        logger.debug('TopologyGraphComponent: Simulation restarted for rearrangement');
+    }
+
     // Ensure component is initialized
     async ensureInitialized() {
         if (!this.isInitialized) {
@@ -835,8 +932,8 @@ class TopologyGraphComponent extends Component {
     }
 
     getLinkColor(latency) {
-        if (latency <= 30) return '#10b981';
-        if (latency <= 50) return '#f59e0b';
+        if (latency <= 50) return '#10b981';
+        if (latency <= 100) return '#f59e0b';
         return '#ef4444';
     }