1239 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			1239 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/**
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 * Graph visualization module for DNSRecon
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 * Handles network graph rendering using vis.js
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 */
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class GraphManager {
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    constructor(containerId) {
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        this.container = document.getElementById(containerId);
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        this.network = null;
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        this.nodes = new vis.DataSet();
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        this.edges = new vis.DataSet();
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        this.isInitialized = false;
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        this.currentLayout = 'physics';
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        this.nodeInfoPopup = null;
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        this.contextMenu = null;
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        this.history = [];
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        this.filterPanel = null;
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        this.options = {
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            nodes: {
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                shape: 'dot',
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                size: 15,
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                font: {
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                    size: 12,
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                    color: '#c7c7c7',
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                    face: 'Roboto Mono, monospace',
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                    background: 'rgba(26, 26, 26, 0.9)',
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                    strokeWidth: 2,
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                    strokeColor: '#000000'
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                },
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                borderWidth: 2,
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                borderColor: '#444',
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                scaling: {
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                    min: 10,
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                    max: 30,
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                    label: {
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                        enabled: true,
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                        min: 8,
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                        max: 16
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                    }
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                },
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                chosen: {
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                    node: (values, id, selected, hovering) => {
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                        values.borderColor = '#00ff41';
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                        values.borderWidth = 3;
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                    }
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                }
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            },
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            edges: {
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                width: 2,
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                color: {
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                    color: '#555',
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                    highlight: '#00ff41',
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                    hover: '#ff9900',
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                    inherit: false
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                },
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                font: {
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                    size: 10,
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                    color: '#999',
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                    face: 'Roboto Mono, monospace',
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                    background: 'rgba(26, 26, 26, 0.8)',
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                    strokeWidth: 1,
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                    strokeColor: '#000000'
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                },
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                arrows: {
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                    to: {
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                        enabled: true,
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                        scaleFactor: 1,
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                        type: 'arrow'
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                    }
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                },
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                smooth: {
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                    enabled: true,
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                    type: 'dynamic',
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                    roundness: 0.6
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                },
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                chosen: {
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                    edge: (values, id, selected, hovering) => {
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                        values.color = '#00ff41';
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                        values.width = 4;
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                    }
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                }
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            },
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            physics: {
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                enabled: true,
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                stabilization: {
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                    enabled: true,
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                    iterations: 150,
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                    updateInterval: 50
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                },
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                barnesHut: {
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                    gravitationalConstant: -3000,
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                    centralGravity: 0.4,
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                    springLength: 120,
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                    springConstant: 0.05,
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                    damping: 0.1,
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                    avoidOverlap: 0.2
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                },
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                maxVelocity: 30,
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                minVelocity: 0.1,
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                solver: 'barnesHut',
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                timestep: 0.4,
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                adaptiveTimestep: true
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            },
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            interaction: {
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                hover: true,
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                hoverConnectedEdges: true,
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                selectConnectedEdges: true,
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                tooltipDelay: 300,
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                hideEdgesOnDrag: false,
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                hideNodesOnDrag: false,
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                zoomView: true,
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                dragView: true,
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                multiselect: true
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            },
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            layout: {
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                improvedLayout: true,
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                randomSeed: 2
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            }
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        };
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        this.createNodeInfoPopup();
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        this.createContextMenu();
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        document.body.addEventListener('click', () => this.hideContextMenu());
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    }
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    /**
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     * Create floating node info popup
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     */
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    createNodeInfoPopup() {
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        this.nodeInfoPopup = document.createElement('div');
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        this.nodeInfoPopup.className = 'node-info-popup';
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        this.nodeInfoPopup.style.display = 'none';
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        document.body.appendChild(this.nodeInfoPopup);
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    }
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    /**
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     * Create context menu
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     */
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    createContextMenu() {
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        this.contextMenu = document.createElement('div');
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        this.contextMenu.id = 'graph-context-menu';
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        this.contextMenu.className = 'graph-context-menu';
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        this.contextMenu.style.display = 'none';
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        // Prevent body click listener from firing when clicking the menu itself
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        this.contextMenu.addEventListener('click', (event) => {
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            event.stopPropagation();
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        });
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        document.body.appendChild(this.contextMenu);
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    }
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    /**
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     * Initialize the network graph
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     */
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    initialize() {
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        if (this.isInitialized) {
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            return;
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        }
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        try {
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            const data = {
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                nodes: this.nodes,
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                edges: this.edges
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            };
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            this.network = new vis.Network(this.container, data, this.options);
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            this.setupNetworkEvents();
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            this.isInitialized = true;
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            // Hide placeholder
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            const placeholder = this.container.querySelector('.graph-placeholder');
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            if (placeholder) {
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                placeholder.style.display = 'none';
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            }
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            // Add graph controls
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            this.addGraphControls();
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            this.addFilterPanel();
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            console.log('Graph initialized successfully');
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        } catch (error) {
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            console.error('Failed to initialize graph:', error);
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            this.showError('Failed to initialize visualization');
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        }
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    }
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    /**
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     * Add interactive graph controls
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     */
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    addGraphControls() {
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        const controlsContainer = document.createElement('div');
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        controlsContainer.className = 'graph-controls';
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        controlsContainer.innerHTML = `
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            <button class="graph-control-btn" id="graph-fit" title="Fit to Screen">[FIT]</button>
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            <button class="graph-control-btn" id="graph-physics" title="Toggle Physics">[PHYSICS]</button>
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            <button class="graph-control-btn" id="graph-cluster" title="Cluster Nodes">[CLUSTER]</button>
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            <button class="graph-control-btn" id="graph-unhide" title="Unhide All">[UNHIDE]</button>
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            <button class="graph-control-btn" id="graph-revert" title="Revert Last Action">[REVERT]</button>
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        `;
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        this.container.appendChild(controlsContainer);
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        // Add control event listeners
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        document.getElementById('graph-fit').addEventListener('click', () => this.fitView());
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        document.getElementById('graph-physics').addEventListener('click', () => this.togglePhysics());
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        document.getElementById('graph-cluster').addEventListener('click', () => this.toggleClustering());
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        document.getElementById('graph-unhide').addEventListener('click', () => this.unhideAll());
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        document.getElementById('graph-revert').addEventListener('click', () => this.revertLastAction());
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    }
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    addFilterPanel() {
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        this.filterPanel = document.createElement('div');
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        this.filterPanel.className = 'graph-filter-panel';
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        this.container.appendChild(this.filterPanel);
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    }
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    /**
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     * Setup network event handlers
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     */
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    setupNetworkEvents() {
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        if (!this.network) return;
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        // Use a standard DOM event listener for the context menu for better reliability
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        this.container.addEventListener('contextmenu', (event) => {
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            event.preventDefault();
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            // Get coordinates relative to the canvas
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            const pointer = {
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                x: event.offsetX,
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                y: event.offsetY
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            };
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            const nodeId = this.network.getNodeAt(pointer);
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            if (nodeId) {
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                // Pass the original client event for positioning
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                this.showContextMenu(nodeId, event);
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            } else {
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                this.hideContextMenu();
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            }
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        });
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        // Node click event with details
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        this.network.on('click', (params) => {
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            this.hideContextMenu();
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            if (params.nodes.length > 0) {
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                const nodeId = params.nodes[0];
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                if (this.network.isCluster(nodeId)) {
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                    this.network.openCluster(nodeId);
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                } else {
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                    const node = this.nodes.get(nodeId);
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                    if (node) {
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                        this.showNodeDetails(node);
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                        this.highlightNodeConnections(nodeId);
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                    }
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                }
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            } else {
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                this.clearHighlights();
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            }
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        });
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        // Hover events
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        this.network.on('hoverNode', (params) => {
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            const nodeId = params.node;
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            const node = this.nodes.get(nodeId);
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            if (node) {
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                this.highlightConnectedNodes(nodeId, true);
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            }
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        });
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        // Stabilization events with progress
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        this.network.on('stabilizationProgress', (params) => {
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            const progress = params.iterations / params.total;
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            this.updateStabilizationProgress(progress);
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        });
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        this.network.on('stabilizationIterationsDone', () => {
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            this.onStabilizationComplete();
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        });
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        // Selection events
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        this.network.on('select', (params) => {
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            console.log('Selected nodes:', params.nodes);
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            console.log('Selected edges:', params.edges);
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        });
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    }
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    /**
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     * @param {Object} graphData - Graph data from backend
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     */
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    updateGraph(graphData) {
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        if (!graphData || !graphData.nodes || !graphData.edges) {
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            console.warn('Invalid graph data received');
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            return;
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        }
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        try {
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            // Initialize if not already done
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            if (!this.isInitialized) {
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                this.initialize();
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            }
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            const largeEntityMap = new Map();
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            graphData.nodes.forEach(node => {
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                if (node.type === 'large_entity' && node.attributes && Array.isArray(node.attributes.nodes)) {
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                    node.attributes.nodes.forEach(nodeId => {
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                        largeEntityMap.set(nodeId, node.id);
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                    });
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                }
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            });
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            const processedNodes = graphData.nodes.map(node => {
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                const processed = this.processNode(node);
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                if (largeEntityMap.has(node.id)) {
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                    processed.hidden = true;
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                }
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                return processed;
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            });
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            const mergedEdges = {};
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            graphData.edges.forEach(edge => {
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                const fromNode = largeEntityMap.has(edge.from) ? largeEntityMap.get(edge.from) : edge.from;
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                const toNode = largeEntityMap.has(edge.to) ? largeEntityMap.get(edge.to) : edge.to;
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                const mergeKey = `${fromNode}-${toNode}-${edge.label}`;
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                if (!mergedEdges[mergeKey]) {
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                    mergedEdges[mergeKey] = {
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                        ...edge,
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                        from: fromNode,
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                        to: toNode,
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                        count: 0,
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                        confidence_score: 0
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                    };
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                }
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                mergedEdges[mergeKey].count++;
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                if (edge.confidence_score > mergedEdges[mergeKey].confidence_score) {
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                    mergedEdges[mergeKey].confidence_score = edge.confidence_score;
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                }
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            });
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            const processedEdges = Object.values(mergedEdges).map(edge => {
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                const processed = this.processEdge(edge);
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                if (edge.count > 1) {
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                    processed.label = `${edge.label} (${edge.count})`;
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                }
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                return processed;
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            });
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            // Update datasets with animation
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            const existingNodeIds = this.nodes.getIds();
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            const existingEdgeIds = this.edges.getIds();
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            // Add new nodes with fade-in animation
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            const newNodes = processedNodes.filter(node => !existingNodeIds.includes(node.id));
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            const newEdges = processedEdges.filter(edge => !existingEdgeIds.includes(edge.id));
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            // Update existing data
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            this.nodes.update(processedNodes);
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            this.edges.update(processedEdges);
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            this.updateFilterControls();
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            this.applyAllFilters();
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            // Highlight new additions briefly
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            if (newNodes.length > 0 || newEdges.length > 0) {
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                setTimeout(() => this.highlightNewElements(newNodes, newEdges), 100);
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            }
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            // Auto-fit view for small graphs or first update
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            if (processedNodes.length <= 10 || existingNodeIds.length === 0) {
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                setTimeout(() => this.fitView(), 800);
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            }
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            console.log(`Graph updated: ${processedNodes.length} nodes, ${processedEdges.length} edges (${newNodes.length} new nodes, ${newEdges.length} new edges)`);
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        } catch (error) {
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            console.error('Failed to update graph:', error);
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            this.showError('Failed to update visualization');
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        }
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    }
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    /**
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     * Process node data with styling and metadata
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     * @param {Object} node - Raw node data
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     * @returns {Object} Processed node data
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     */
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    processNode(node) {
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        const processedNode = {
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            id: node.id,
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            label: this.formatNodeLabel(node.id, node.type),
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            color: this.getNodeColor(node.type),
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						|
            size: this.getNodeSize(node.type),
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            borderColor: this.getNodeBorderColor(node.type),
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            shape: this.getNodeShape(node.type),
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						|
            attributes: node.attributes || {},
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						|
            description: node.description || '',
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						|
            metadata: node.metadata || {},
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						|
            type: node.type,
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						|
            incoming_edges: node.incoming_edges || [],
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						|
            outgoing_edges: node.outgoing_edges || []
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						|
        };
 | 
						|
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						|
        // Add confidence-based styling
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						|
        if (node.confidence) {
 | 
						|
            processedNode.borderWidth = Math.max(2, Math.floor(node.confidence * 5));
 | 
						|
        }
 | 
						|
 | 
						|
        // Style based on certificate validity
 | 
						|
        if (node.type === 'domain') {
 | 
						|
            if (node.attributes && node.attributes.certificates && node.attributes.certificates.has_valid_cert === false) {
 | 
						|
                processedNode.color = { background: '#888888', border: '#666666' };
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						|
            }
 | 
						|
        }
 | 
						|
        
 | 
						|
        // Handle merged correlation objects (similar to large entities)
 | 
						|
        if (node.type === 'correlation_object') {
 | 
						|
            const metadata = node.metadata || {};
 | 
						|
            const values = metadata.values || [];
 | 
						|
            const mergeCount = metadata.merge_count || 1;
 | 
						|
            
 | 
						|
            if (mergeCount > 1) {
 | 
						|
                // Display as merged correlation container
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						|
                processedNode.label = `Correlations (${mergeCount})`;
 | 
						|
                processedNode.title = `Merged correlation container with ${mergeCount} values: ${values.slice(0, 3).join(', ')}${values.length > 3 ? '...' : ''}`;
 | 
						|
                processedNode.borderWidth = 3; // Thicker border for merged nodes
 | 
						|
            } else {
 | 
						|
                // Single correlation value
 | 
						|
                const value = Array.isArray(values) && values.length > 0 ? values[0] : (metadata.value || 'Unknown');
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						|
                const displayValue = typeof value === 'string' && value.length > 20 ? value.substring(0, 17) + '...' : value;
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						|
                processedNode.label = `${displayValue}`;
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						|
                processedNode.title = `Correlation: ${value}`;
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						|
            }
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						|
        }
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						|
 | 
						|
        return processedNode;
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						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Process edge data with styling and metadata
 | 
						|
     * @param {Object} edge - Raw edge data
 | 
						|
     * @returns {Object} Processed edge data
 | 
						|
     */
 | 
						|
    processEdge(edge) {
 | 
						|
        const confidence = edge.confidence_score || 0;
 | 
						|
        const processedEdge = {
 | 
						|
            id: `${edge.from}-${edge.to}`,
 | 
						|
            from: edge.from,
 | 
						|
            to: edge.to,
 | 
						|
            label: this.formatEdgeLabel(edge.label, confidence),
 | 
						|
            title: this.createEdgeTooltip(edge),
 | 
						|
            width: this.getEdgeWidth(confidence),
 | 
						|
            color: this.getEdgeColor(confidence),
 | 
						|
            dashes: confidence < 0.6 ? [5, 5] : false,
 | 
						|
            metadata: {
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						|
                relationship_type: edge.label,
 | 
						|
                confidence_score: confidence,
 | 
						|
                source_provider: edge.source_provider,
 | 
						|
                discovery_timestamp: edge.discovery_timestamp
 | 
						|
            }
 | 
						|
        };
 | 
						|
 | 
						|
 | 
						|
 | 
						|
        return processedEdge;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Format node label for display
 | 
						|
     * @param {string} nodeId - Node identifier
 | 
						|
     * @param {string} nodeType - Node type
 | 
						|
     * @returns {string} Formatted label
 | 
						|
     */
 | 
						|
    formatNodeLabel(nodeId, nodeType) {
 | 
						|
        if (typeof nodeId !== 'string') return '';
 | 
						|
        if (nodeId.length > 20) {
 | 
						|
            return nodeId.substring(0, 17) + '...';
 | 
						|
        }
 | 
						|
        return nodeId;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Format edge label for display
 | 
						|
     * @param {string} relationshipType - Type of relationship
 | 
						|
     * @param {number} confidence - Confidence score
 | 
						|
     * @returns {string} Formatted label
 | 
						|
     */
 | 
						|
    formatEdgeLabel(relationshipType, confidence) {
 | 
						|
        if (!relationshipType) return '';
 | 
						|
 | 
						|
        const confidenceText = confidence >= 0.8 ? '●' : confidence >= 0.6 ? '◐' : '○';
 | 
						|
        return `${relationshipType} ${confidenceText}`;
 | 
						|
    }
 | 
						|
    
 | 
						|
    /**
 | 
						|
     * Get node color based on type
 | 
						|
     * @param {string} nodeType - Node type
 | 
						|
     * @returns {string} Color value
 | 
						|
     */
 | 
						|
    getNodeColor(nodeType) {
 | 
						|
        const colors = {
 | 
						|
            'domain': '#00ff41',     // Green
 | 
						|
            'ip': '#ff9900',         // Amber
 | 
						|
            'asn': '#00aaff',         // Blue
 | 
						|
            'large_entity': '#ff6b6b', // Red for large entities
 | 
						|
            'correlation_object': '#9620c0ff'
 | 
						|
        };
 | 
						|
        return colors[nodeType] || '#ffffff';
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get node border color based on type
 | 
						|
     * @param {string} nodeType - Node type
 | 
						|
     * @returns {string} Border color value
 | 
						|
     */
 | 
						|
    getNodeBorderColor(nodeType) {
 | 
						|
        const borderColors = {
 | 
						|
            'domain': '#00aa2e',
 | 
						|
            'ip': '#cc7700',
 | 
						|
            'asn': '#0088cc',
 | 
						|
            'correlation_object': '#c235c9ff'
 | 
						|
        };
 | 
						|
        return borderColors[nodeType] || '#666666';
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get node size based on type
 | 
						|
     * @param {string} nodeType - Node type
 | 
						|
     * @returns {number} Node size
 | 
						|
     */
 | 
						|
    getNodeSize(nodeType) {
 | 
						|
        const sizes = {
 | 
						|
            'domain': 12,
 | 
						|
            'ip': 14,
 | 
						|
            'asn': 16,
 | 
						|
            'correlation_object': 8,
 | 
						|
            'large_entity': 5
 | 
						|
        };
 | 
						|
        return sizes[nodeType] || 12;
 | 
						|
    }
 | 
						|
    
 | 
						|
    /**
 | 
						|
     * Get node shape based on type
 | 
						|
     * @param {string} nodeType - Node type
 | 
						|
     * @returns {string} Shape name
 | 
						|
     */
 | 
						|
    getNodeShape(nodeType) {
 | 
						|
        const shapes = {
 | 
						|
            'domain': 'dot',
 | 
						|
            'ip': 'square',
 | 
						|
            'asn': 'triangle',
 | 
						|
            'correlation_object': 'hexagon',
 | 
						|
            'large_entity': 'database'
 | 
						|
        };
 | 
						|
        return shapes[nodeType] || 'dot';
 | 
						|
    }
 | 
						|
    
 | 
						|
    /**
 | 
						|
     * Get edge color based on confidence
 | 
						|
     * @param {number} confidence - Confidence score
 | 
						|
     * @returns {string} Edge color
 | 
						|
     */
 | 
						|
    getEdgeColor(confidence) {
 | 
						|
        if (confidence >= 0.8) {
 | 
						|
            return '#00ff41'; // High confidence - green
 | 
						|
        } else if (confidence >= 0.6) {
 | 
						|
            return '#ff9900'; // Medium confidence - amber
 | 
						|
        } else {
 | 
						|
            return '#666666'; // Low confidence - gray
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get edge width based on confidence
 | 
						|
     * @param {number} confidence - Confidence score
 | 
						|
     * @returns {number} Edge width
 | 
						|
     */
 | 
						|
    getEdgeWidth(confidence) {
 | 
						|
        if (confidence >= 0.8) {
 | 
						|
            return 3;
 | 
						|
        } else if (confidence >= 0.6) {
 | 
						|
            return 2;
 | 
						|
        } else {
 | 
						|
            return 1;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    
 | 
						|
    /**
 | 
						|
     * Create edge tooltip with correct provider information
 | 
						|
     * @param {Object} edge - Edge data
 | 
						|
     * @returns {string} HTML tooltip content
 | 
						|
     */
 | 
						|
    createEdgeTooltip(edge) {
 | 
						|
        let tooltip = `<div style="font-family: 'Roboto Mono', monospace; font-size: 11px;">`;
 | 
						|
        tooltip += `<div style="color: #00ff41; font-weight: bold; margin-bottom: 4px;">${edge.label || 'Relationship'}</div>`;
 | 
						|
        tooltip += `<div style="color: #999; margin-bottom: 2px;">Confidence: ${(edge.confidence_score * 100).toFixed(1)}%</div>`;
 | 
						|
        
 | 
						|
        if (edge.source_provider) {
 | 
						|
            tooltip += `<div style="color: #999; margin-bottom: 2px;">Provider: ${edge.source_provider}</div>`;
 | 
						|
        }
 | 
						|
        
 | 
						|
        if (edge.discovery_timestamp) {
 | 
						|
            const date = new Date(edge.discovery_timestamp);
 | 
						|
            tooltip += `<div style="color: #666; font-size: 10px;">Discovered: ${date.toLocaleString()}</div>`;
 | 
						|
        }
 | 
						|
        
 | 
						|
        tooltip += `</div>`;
 | 
						|
        return tooltip;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Determine if node is important based on connections or metadata
 | 
						|
     * @param {Object} node - Node data
 | 
						|
     * @returns {boolean} True if node is important
 | 
						|
     */
 | 
						|
    isImportantNode(node) {
 | 
						|
        // Mark nodes as important based on criteria
 | 
						|
        if (node.type === 'domain' && node.id.includes('www.')) return false;
 | 
						|
        if (node.metadata && node.metadata.connection_count > 3) return true;
 | 
						|
        if (node.type === 'asn') return true;
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Show node details in modal
 | 
						|
     * @param {Object} node - Node object
 | 
						|
     */
 | 
						|
    showNodeDetails(node) {
 | 
						|
        // Trigger custom event for main application to handle
 | 
						|
        const event = new CustomEvent('nodeSelected', {
 | 
						|
            detail: { node }
 | 
						|
        });
 | 
						|
        document.dispatchEvent(event);
 | 
						|
    }
 | 
						|
    
 | 
						|
    /**
 | 
						|
     * Hide node info popup
 | 
						|
     */
 | 
						|
    hideNodeInfoPopup() {
 | 
						|
        if (this.nodeInfoPopup) {
 | 
						|
            this.nodeInfoPopup.style.display = 'none';
 | 
						|
        }
 | 
						|
    }
 | 
						|
    
 | 
						|
    /**
 | 
						|
     * Highlight node connections
 | 
						|
     * @param {string} nodeId - Node to highlight
 | 
						|
     */
 | 
						|
    highlightNodeConnections(nodeId) {
 | 
						|
        const connectedNodes = this.network.getConnectedNodes(nodeId);
 | 
						|
        const connectedEdges = this.network.getConnectedEdges(nodeId);
 | 
						|
        
 | 
						|
        // Update node colors
 | 
						|
        const nodeUpdates = connectedNodes.map(id => ({
 | 
						|
            id: id,
 | 
						|
            borderColor: '#ff9900',
 | 
						|
            borderWidth: 3
 | 
						|
        }));
 | 
						|
        
 | 
						|
        nodeUpdates.push({
 | 
						|
            id: nodeId,
 | 
						|
            borderColor: '#00ff41',
 | 
						|
            borderWidth: 4
 | 
						|
        });
 | 
						|
        
 | 
						|
        // Update edge colors
 | 
						|
        const edgeUpdates = connectedEdges.map(id => ({
 | 
						|
            id: id,
 | 
						|
            color: { color: '#ff9900' },
 | 
						|
            width: 3
 | 
						|
        }));
 | 
						|
        
 | 
						|
        this.nodes.update(nodeUpdates);
 | 
						|
        this.edges.update(edgeUpdates);
 | 
						|
        
 | 
						|
        // Store for cleanup
 | 
						|
        this.highlightedElements = {
 | 
						|
            nodes: connectedNodes.concat([nodeId]),
 | 
						|
            edges: connectedEdges
 | 
						|
        };
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Highlight connected nodes on hover
 | 
						|
     * @param {string} nodeId - Node ID
 | 
						|
     * @param {boolean} highlight - Whether to highlight or unhighlight
 | 
						|
     */
 | 
						|
    highlightConnectedNodes(nodeId, highlight) {
 | 
						|
        const connectedNodes = this.network.getConnectedNodes(nodeId);
 | 
						|
        const connectedEdges = this.network.getConnectedEdges(nodeId);
 | 
						|
        
 | 
						|
        if (highlight) {
 | 
						|
            // Dim all other elements
 | 
						|
            this.dimUnconnectedElements([nodeId, ...connectedNodes], connectedEdges);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Dim elements not connected to the specified nodes
 | 
						|
     * @param {Array} nodeIds - Node IDs to keep highlighted
 | 
						|
     * @param {Array} edgeIds - Edge IDs to keep highlighted
 | 
						|
     */
 | 
						|
    dimUnconnectedElements(nodeIds, edgeIds) {
 | 
						|
        const allNodes = this.nodes.get();
 | 
						|
        const allEdges = this.edges.get();
 | 
						|
        
 | 
						|
        const nodeUpdates = allNodes.map(node => ({
 | 
						|
            id: node.id,
 | 
						|
            opacity: nodeIds.includes(node.id) ? 1 : 0.3
 | 
						|
        }));
 | 
						|
        
 | 
						|
        const edgeUpdates = allEdges.map(edge => ({
 | 
						|
            id: edge.id,
 | 
						|
            opacity: edgeIds.includes(edge.id) ? 1 : 0.1
 | 
						|
        }));
 | 
						|
        
 | 
						|
        this.nodes.update(nodeUpdates);
 | 
						|
        this.edges.update(edgeUpdates);
 | 
						|
    }
 | 
						|
    
 | 
						|
    /**
 | 
						|
     * Clear all highlights
 | 
						|
     */
 | 
						|
    clearHighlights() {
 | 
						|
        if (this.highlightedElements) {
 | 
						|
            // Reset highlighted nodes
 | 
						|
            const nodeUpdates = this.highlightedElements.nodes.map(id => {
 | 
						|
                const originalNode = this.nodes.get(id);
 | 
						|
                return {
 | 
						|
                    id: id,
 | 
						|
                    borderColor: this.getNodeBorderColor(originalNode.type),
 | 
						|
                    borderWidth: 2
 | 
						|
                };
 | 
						|
            });
 | 
						|
            
 | 
						|
            // Reset highlighted edges
 | 
						|
            const edgeUpdates = this.highlightedElements.edges.map(id => {
 | 
						|
                const originalEdge = this.edges.get(id);
 | 
						|
                return {
 | 
						|
                    id: id,
 | 
						|
                    color: this.getEdgeColor(originalEdge.metadata ? originalEdge.metadata.confidence_score : 0.5),
 | 
						|
                    width: this.getEdgeWidth(originalEdge.metadata ? originalEdge.metadata.confidence_score : 0.5)
 | 
						|
                };
 | 
						|
            });
 | 
						|
            
 | 
						|
            this.nodes.update(nodeUpdates);
 | 
						|
            this.edges.update(edgeUpdates);
 | 
						|
            
 | 
						|
            this.highlightedElements = null;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Clear hover highlights
 | 
						|
     */
 | 
						|
    clearHoverHighlights() {
 | 
						|
        const allNodes = this.nodes.get();
 | 
						|
        const allEdges = this.edges.get();
 | 
						|
        
 | 
						|
        const nodeUpdates = allNodes.map(node => ({ id: node.id, opacity: 1 }));
 | 
						|
        const edgeUpdates = allEdges.map(edge => ({ id: edge.id, opacity: 1 }));
 | 
						|
        
 | 
						|
        this.nodes.update(nodeUpdates);
 | 
						|
        this.edges.update(edgeUpdates);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Highlight newly added elements
 | 
						|
     * @param {Array} newNodes - New nodes
 | 
						|
     * @param {Array} newEdges - New edges
 | 
						|
     */
 | 
						|
    highlightNewElements(newNodes, newEdges) {
 | 
						|
        // Briefly highlight new nodes
 | 
						|
        const nodeHighlights = newNodes.map(node => ({
 | 
						|
            id: node.id,
 | 
						|
            borderColor: '#00ff41',
 | 
						|
            borderWidth: 4
 | 
						|
        }));
 | 
						|
        
 | 
						|
        // Briefly highlight new edges
 | 
						|
        const edgeHighlights = newEdges.map(edge => ({
 | 
						|
            id: edge.id,
 | 
						|
            color: '#00ff41',
 | 
						|
            width: 4
 | 
						|
        }));
 | 
						|
        
 | 
						|
        this.nodes.update(nodeHighlights);
 | 
						|
        this.edges.update(edgeHighlights);
 | 
						|
        
 | 
						|
        // Reset after animation
 | 
						|
        setTimeout(() => {
 | 
						|
            const nodeResets = newNodes.map(node => ({
 | 
						|
                id: node.id,
 | 
						|
                borderColor: this.getNodeBorderColor(node.type),
 | 
						|
                borderWidth: 2,
 | 
						|
            }));
 | 
						|
            
 | 
						|
            const edgeResets = newEdges.map(edge => ({
 | 
						|
                id: edge.id,
 | 
						|
                color: this.getEdgeColor(edge.metadata ? edge.metadata.confidence_score : 0.5),
 | 
						|
                width: this.getEdgeWidth(edge.metadata ? edge.metadata.confidence_score : 0.5)
 | 
						|
            }));
 | 
						|
            
 | 
						|
            this.nodes.update(nodeResets);
 | 
						|
            this.edges.update(edgeResets);
 | 
						|
        }, 2000);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Update stabilization progress
 | 
						|
     * @param {number} progress - Progress value (0-1)
 | 
						|
     */
 | 
						|
    updateStabilizationProgress(progress) {
 | 
						|
        // Could show a progress indicator if needed
 | 
						|
        console.log(`Graph stabilization: ${(progress * 100).toFixed(1)}%`);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Handle stabilization completion
 | 
						|
     */
 | 
						|
    onStabilizationComplete() {
 | 
						|
        console.log('Graph stabilization complete');
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Focus view on specific node
 | 
						|
     * @param {string} nodeId - Node to focus on
 | 
						|
     */
 | 
						|
    focusOnNode(nodeId) {
 | 
						|
        const nodePosition = this.network.getPositions([nodeId]);
 | 
						|
        if (nodePosition[nodeId]) {
 | 
						|
            this.network.moveTo({
 | 
						|
                position: nodePosition[nodeId],
 | 
						|
                scale: 1.5,
 | 
						|
                animation: {
 | 
						|
                    duration: 1000,
 | 
						|
                    easingFunction: 'easeInOutQuart'
 | 
						|
                }
 | 
						|
            });
 | 
						|
        }
 | 
						|
    }
 | 
						|
    
 | 
						|
    /**
 | 
						|
     * Toggle physics simulation
 | 
						|
     */
 | 
						|
    togglePhysics() {
 | 
						|
        const currentPhysics = this.network.physics.physicsEnabled;
 | 
						|
        this.network.setOptions({ physics: !currentPhysics });
 | 
						|
        
 | 
						|
        const button = document.getElementById('graph-physics');
 | 
						|
        if (button) {
 | 
						|
            button.textContent = currentPhysics ? '[PHYSICS OFF]' : '[PHYSICS ON]';
 | 
						|
            button.style.color = currentPhysics ? '#ff9900' : '#00ff41';
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Toggle node clustering
 | 
						|
     */
 | 
						|
    toggleClustering() {
 | 
						|
        if (this.network.isCluster('domain-cluster')) {
 | 
						|
            this.network.openCluster('domain-cluster');
 | 
						|
        } else {
 | 
						|
            const clusterOptions = {
 | 
						|
                joinCondition: (nodeOptions) => {
 | 
						|
                    return nodeOptions.type === 'domain';
 | 
						|
                },
 | 
						|
                clusterNodeProperties: {
 | 
						|
                    id: 'domain-cluster',
 | 
						|
                    label: 'Domains',
 | 
						|
                    shape: 'database',
 | 
						|
                    color: '#00ff41',
 | 
						|
                    borderWidth: 3,
 | 
						|
                }
 | 
						|
            };
 | 
						|
            this.network.cluster(clusterOptions);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Fit the view to show all nodes
 | 
						|
     */
 | 
						|
    fitView() {
 | 
						|
        if (this.network) {
 | 
						|
            this.network.fit({
 | 
						|
                animation: {
 | 
						|
                    duration: 1000,
 | 
						|
                    easingFunction: 'easeInOutQuad'
 | 
						|
                }
 | 
						|
            });
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Clear the graph
 | 
						|
     */
 | 
						|
    clear() {
 | 
						|
        this.nodes.clear();
 | 
						|
        this.edges.clear();
 | 
						|
        this.history = [];
 | 
						|
 | 
						|
        // Show placeholder
 | 
						|
        const placeholder = this.container.querySelector('.graph-placeholder');
 | 
						|
        if (placeholder) {
 | 
						|
            placeholder.style.display = 'flex';
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Show error message
 | 
						|
     * @param {string} message - Error message
 | 
						|
     */
 | 
						|
    showError(message) {
 | 
						|
        const placeholder = this.container.querySelector('.graph-placeholder .placeholder-text');
 | 
						|
        if (placeholder) {
 | 
						|
            placeholder.textContent = `Error: ${message}`;
 | 
						|
            placeholder.style.color = '#ff6b6b';
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get network statistics
 | 
						|
     * @returns {Object} Statistics object
 | 
						|
     */
 | 
						|
    getStatistics() {
 | 
						|
        return {
 | 
						|
            nodeCount: this.nodes.length,
 | 
						|
            edgeCount: this.edges.length,
 | 
						|
            //isStabilized: this.network ? this.network.isStabilized() : false
 | 
						|
        };
 | 
						|
    }
 | 
						|
    
 | 
						|
    updateFilterControls() {
 | 
						|
        if (!this.filterPanel) return;
 | 
						|
 | 
						|
        const nodeTypes = new Set(this.nodes.get().map(n => n.type));
 | 
						|
        const edgeTypes = new Set(this.edges.get().map(e => e.metadata.relationship_type));
 | 
						|
 | 
						|
        let nodeCheckboxes = '<div class="filter-column"><h4>Nodes</h4><div class="checkbox-group">';
 | 
						|
        nodeTypes.forEach(type => {
 | 
						|
            const label = type === 'correlation_object' ? 'latent correlations' : type;
 | 
						|
            const isChecked = type !== 'correlation_object';
 | 
						|
            nodeCheckboxes += `<label><input type="checkbox" data-filter-type="node" value="${type}" ${isChecked ? 'checked' : ''}> ${label}</label>`;
 | 
						|
        });
 | 
						|
        nodeCheckboxes += '</div></div>';
 | 
						|
 | 
						|
        let edgeCheckboxes = '<div class="filter-column"><h4>Edges</h4><div class="checkbox-group">';
 | 
						|
        edgeTypes.forEach(type => {
 | 
						|
            edgeCheckboxes += `<label><input type="checkbox" data-filter-type="edge" value="${type}" checked> ${type}</label>`;
 | 
						|
        });
 | 
						|
        edgeCheckboxes += '</div></div>';
 | 
						|
 | 
						|
        this.filterPanel.innerHTML = nodeCheckboxes + edgeCheckboxes;
 | 
						|
 | 
						|
        this.filterPanel.querySelectorAll('input[type="checkbox"]').forEach(checkbox => {
 | 
						|
            checkbox.addEventListener('change', () => this.applyAllFilters());
 | 
						|
        });
 | 
						|
    }
 | 
						|
 | 
						|
    applyAllFilters() {
 | 
						|
        const hiddenNodeTypes = new Set();
 | 
						|
        this.filterPanel.querySelectorAll('input[data-filter-type="node"]:not(:checked)').forEach(cb => {
 | 
						|
            hiddenNodeTypes.add(cb.value);
 | 
						|
        });
 | 
						|
 | 
						|
        const hiddenEdgeTypes = new Set();
 | 
						|
        this.filterPanel.querySelectorAll('input[data-filter-type="edge"]:not(:checked)').forEach(cb => {
 | 
						|
            hiddenEdgeTypes.add(cb.value);
 | 
						|
        });
 | 
						|
 | 
						|
        const nodeUpdates = [];
 | 
						|
        const edgeUpdates = [];
 | 
						|
        const visibleEdges = new Set();
 | 
						|
 | 
						|
        this.edges.get().forEach(edge => {
 | 
						|
            const isVisible = !hiddenEdgeTypes.has(edge.metadata.relationship_type);
 | 
						|
            edgeUpdates.push({ id: edge.id, hidden: !isVisible });
 | 
						|
            if (isVisible) {
 | 
						|
                visibleEdges.add(edge.id);
 | 
						|
            }
 | 
						|
        });
 | 
						|
 | 
						|
        this.nodes.get().forEach(node => {
 | 
						|
            let isVisible = !hiddenNodeTypes.has(node.type);
 | 
						|
            if (isVisible) {
 | 
						|
                const connectedEdges = this.network.getConnectedEdges(node.id);
 | 
						|
                const hasVisibleConnection = connectedEdges.some(edgeId => visibleEdges.has(edgeId));
 | 
						|
                if (!hasVisibleConnection && connectedEdges.length > 0) {
 | 
						|
                    isVisible = false;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            nodeUpdates.push({ id: node.id, hidden: !isVisible });
 | 
						|
        });
 | 
						|
        
 | 
						|
        this.edges.update(edgeUpdates);
 | 
						|
        this.nodes.update(nodeUpdates);
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     * Show context menu for a node
 | 
						|
     * @param {string} nodeId - The ID of the node
 | 
						|
     * @param {Event} event - The contextmenu event
 | 
						|
     */
 | 
						|
    showContextMenu(nodeId, event) {
 | 
						|
        this.contextMenu.innerHTML = `
 | 
						|
            <ul>
 | 
						|
                <li data-action="hide" data-node-id="${nodeId}">Hide Node</li>
 | 
						|
                <li data-action="delete" data-node-id="${nodeId}">Delete Node</li>
 | 
						|
            </ul>
 | 
						|
        `;
 | 
						|
        this.contextMenu.style.left = `${event.clientX}px`;
 | 
						|
        this.contextMenu.style.top = `${event.clientY}px`;
 | 
						|
        this.contextMenu.style.display = 'block';
 | 
						|
 | 
						|
        this.contextMenu.querySelectorAll('li').forEach(item => {
 | 
						|
            item.addEventListener('click', (e) => {
 | 
						|
                const action = e.target.dataset.action;
 | 
						|
                const nodeId = e.target.dataset.nodeId;
 | 
						|
                this.performContextMenuAction(action, nodeId);
 | 
						|
                this.hideContextMenu();
 | 
						|
            });
 | 
						|
        });
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Hide the context menu
 | 
						|
     */
 | 
						|
    hideContextMenu() {
 | 
						|
        if (this.contextMenu) {
 | 
						|
            this.contextMenu.style.display = 'none';
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Perform action from the context menu
 | 
						|
     * @param {string} action - The action to perform ('hide' or 'delete')
 | 
						|
     * @param {string} nodeId - The ID of the node
 | 
						|
     */
 | 
						|
    performContextMenuAction(action, nodeId) {
 | 
						|
        switch (action) {
 | 
						|
            case 'hide':
 | 
						|
                this.hideNodeAndOrphans(nodeId);
 | 
						|
                break;
 | 
						|
            case 'delete':
 | 
						|
                this.deleteNodeAndOrphans(nodeId);
 | 
						|
                break;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    
 | 
						|
    /**
 | 
						|
     * Add an operation to the history stack
 | 
						|
     * @param {string} type - The type of operation ('hide', 'delete')
 | 
						|
     * @param {Object} data - The data needed to revert the operation
 | 
						|
     */
 | 
						|
    addToHistory(type, data) {
 | 
						|
        this.history.push({ type, data });
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Revert the last action
 | 
						|
     */
 | 
						|
    async revertLastAction() {
 | 
						|
        const lastAction = this.history.pop();
 | 
						|
        if (!lastAction) {
 | 
						|
            console.log('No actions to revert.');
 | 
						|
            return;
 | 
						|
        }
 | 
						|
    
 | 
						|
        switch (lastAction.type) {
 | 
						|
            case 'hide':
 | 
						|
                // Revert hiding nodes by un-hiding them
 | 
						|
                const updates = lastAction.data.nodeIds.map(id => ({ id: id, hidden: false }));
 | 
						|
                this.nodes.update(updates);
 | 
						|
                break;
 | 
						|
            case 'delete':
 | 
						|
                try {
 | 
						|
                    const response = await fetch('/api/graph/revert', {
 | 
						|
                        method: 'POST',
 | 
						|
                        headers: {
 | 
						|
                            'Content-Type': 'application/json',
 | 
						|
                        },
 | 
						|
                        body: JSON.stringify(lastAction)
 | 
						|
                    });
 | 
						|
                    const result = await response.json();
 | 
						|
    
 | 
						|
                    if (result.success) {
 | 
						|
                        console.log('Delete action reverted successfully on backend.');
 | 
						|
                        // Re-add all nodes and edges from the history to the local view
 | 
						|
                        this.nodes.add(lastAction.data.nodes);
 | 
						|
                        this.edges.add(lastAction.data.edges);
 | 
						|
                    } else {
 | 
						|
                        console.error('Failed to revert delete action on backend:', result.error);
 | 
						|
                        // Push the action back onto the history stack if the API call failed
 | 
						|
                        this.history.push(lastAction);
 | 
						|
                    }
 | 
						|
                } catch (error) {
 | 
						|
                    console.error('Error during revert API call:', error);
 | 
						|
                    this.history.push(lastAction);
 | 
						|
                }
 | 
						|
                break;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Hide a node and recursively hide any neighbors that become disconnected.
 | 
						|
     * @param {string} nodeId - The ID of the node to start hiding from.
 | 
						|
     */
 | 
						|
    hideNodeAndOrphans(nodeId) {
 | 
						|
        const historyData = { nodeIds: [] };
 | 
						|
        const queue = [nodeId];
 | 
						|
        const visited = new Set([nodeId]);
 | 
						|
 | 
						|
        while (queue.length > 0) {
 | 
						|
            const currentId = queue.shift();
 | 
						|
            const node = this.nodes.get(currentId);
 | 
						|
            if (!node || node.hidden) continue;
 | 
						|
 | 
						|
            // 1. Hide the current node and add to history
 | 
						|
            this.nodes.update({ id: currentId, hidden: true });
 | 
						|
            historyData.nodeIds.push(currentId);
 | 
						|
 | 
						|
            // 2. Check its neighbors
 | 
						|
            const neighbors = this.network.getConnectedNodes(currentId);
 | 
						|
            for (const neighborId of neighbors) {
 | 
						|
                if (visited.has(neighborId)) continue;
 | 
						|
                
 | 
						|
                const connectedEdges = this.network.getConnectedEdges(neighborId);
 | 
						|
                let hasVisibleEdge = false;
 | 
						|
                // 3. See if the neighbor still has any visible connections
 | 
						|
                for (const edgeId of connectedEdges) {
 | 
						|
                    const edge = this.edges.get(edgeId);
 | 
						|
                    const sourceNode = this.nodes.get(edge.from);
 | 
						|
                    const targetNode = this.nodes.get(edge.to);
 | 
						|
                    if ((sourceNode && !sourceNode.hidden) && (targetNode && !targetNode.hidden)) {
 | 
						|
                        hasVisibleEdge = true;
 | 
						|
                        break;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                
 | 
						|
                // 4. If no visible connections, add to queue to be hidden
 | 
						|
                if (!hasVisibleEdge) {
 | 
						|
                    queue.push(neighborId);
 | 
						|
                    visited.add(neighborId);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        
 | 
						|
        if (historyData.nodeIds.length > 0) {
 | 
						|
            this.addToHistory('hide', historyData);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Delete a node and recursively delete any neighbors that become disconnected.
 | 
						|
     * @param {string} nodeId - The ID of the node to start deleting from.
 | 
						|
     */
 | 
						|
    async deleteNodeAndOrphans(nodeId) {
 | 
						|
        const deletionQueue = [nodeId];
 | 
						|
        const processedForDeletion = new Set([nodeId]);
 | 
						|
        const historyData = { nodes: [], edges: [] };
 | 
						|
        let operationFailed = false;
 | 
						|
 | 
						|
        while (deletionQueue.length > 0) {
 | 
						|
            const currentId = deletionQueue.shift();
 | 
						|
            const node = this.nodes.get(currentId);
 | 
						|
            if (!node) continue;
 | 
						|
 | 
						|
            const neighbors = this.network.getConnectedNodes(currentId);
 | 
						|
            const connectedEdgeIds = this.network.getConnectedEdges(currentId);
 | 
						|
            const edges = this.edges.get(connectedEdgeIds);
 | 
						|
            
 | 
						|
            // Store state for potential revert
 | 
						|
            historyData.nodes.push(node);
 | 
						|
            historyData.edges.push(...edges);
 | 
						|
 | 
						|
            try {
 | 
						|
                const response = await fetch(`/api/graph/node/${currentId}`, { method: 'DELETE' });
 | 
						|
                const result = await response.json();
 | 
						|
 | 
						|
                if (!result.success) {
 | 
						|
                    console.error(`Failed to delete node ${currentId} from backend:`, result.error);
 | 
						|
                    operationFailed = true;
 | 
						|
                    break; 
 | 
						|
                }
 | 
						|
                
 | 
						|
                console.log(`Node ${currentId} deleted from backend.`);
 | 
						|
                this.nodes.remove({ id: currentId }); // Remove from view
 | 
						|
                
 | 
						|
                // Check if former neighbors are now orphans
 | 
						|
                neighbors.forEach(neighborId => {
 | 
						|
                    if (!processedForDeletion.has(neighborId) && this.nodes.get(neighborId)) {
 | 
						|
                        if (this.network.getConnectedEdges(neighborId).length === 0) {
 | 
						|
                            deletionQueue.push(neighborId);
 | 
						|
                            processedForDeletion.add(neighborId);
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                });
 | 
						|
 | 
						|
            } catch (error) {
 | 
						|
                console.error('Error during node deletion API call:', error);
 | 
						|
                operationFailed = true;
 | 
						|
                break;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Add to history only if the entire operation was successful
 | 
						|
        if (!operationFailed && historyData.nodes.length > 0) {
 | 
						|
            // Ensure edges in history are unique
 | 
						|
            historyData.edges = Array.from(new Map(historyData.edges.map(e => [e.id, e])).values());
 | 
						|
            this.addToHistory('delete', historyData);
 | 
						|
        } else if (operationFailed) {
 | 
						|
            console.log("Reverting UI changes due to failed delete operation.");
 | 
						|
            // If any part of the chain failed, restore the UI to its original state
 | 
						|
            this.nodes.add(historyData.nodes);
 | 
						|
            this.edges.add(historyData.edges);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Unhide all hidden nodes
 | 
						|
     */
 | 
						|
    unhideAll() {
 | 
						|
        const allNodes = this.nodes.get({
 | 
						|
            filter: (node) => node.hidden === true
 | 
						|
        });
 | 
						|
        const updates = allNodes.map(node => ({ id: node.id, hidden: false }));
 | 
						|
        this.nodes.update(updates);
 | 
						|
    }
 | 
						|
    
 | 
						|
}
 | 
						|
 | 
						|
// Export for use in main.js
 | 
						|
window.GraphManager = GraphManager; |