<!-- templates/render_member.html -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Member Network</title>
<script src="https://d3js.org/d3.v7.min.js"></script>
<style>
.node {
stroke: #fff;
stroke-width: 1.5px;
}
.link {
stroke: #999;
stroke-opacity: 0.6;
}
</style>
</head>
<body>
<h1>Member Network</h1>
<select id="memberSelect">
<!-- Options will be populated dynamically -->
</select>
<div id="graph"></div>
<script>
// Fetch member names from Neo4j
fetch('/list_members/get_member_names')
.then(response => response.json())
.then(members => {
const select = document.getElementById('memberSelect');
members.forEach(member => {
const option = document.createElement('option');
option.value = member;
option.text = member;
select.appendChild(option);
});
});
// Handle member selection
document.getElementById('memberSelect').addEventListener('change', function() {
console.log("Member selected:", this.value); // Log the selected member name
const selectedMember = this.value;
fetch(`/list_members/render_member?member_name=${encodeURIComponent(selectedMember)}`, {
method: 'GET',
})
.then(response => response.json())
.then(data => {
console.log("Graph data received:", data); // Log the graph data
renderGraph(data);
})
.catch(error => {
console.error("Error fetching graph data:", error); // Log any errors
});
});
// Render D3 network graph
function renderGraph(data) {
const width = 800;
const height = 600;
const svg = d3.select("#graph")
.selectAll("svg") // Remove existing SVG elements first
.remove()
.append("svg")
.attr("width", width)
.attr("height", height);
const simulation = d3.forceSimulation(data.nodes)
.force("link", d3.forceLink(data.links).id(d => d.id))
.force("charge", d3.forceManyBody().strength(-500))
.force("center", d3.forceCenter(width / 2, height / 2));
const link = svg.append("g")
.attr("class", "links")
.selectAll("line")
.data(data.links)
.enter().append("line")
.attr("stroke-width", 2);
const node = svg.append("g")
.attr("class", "nodes")
.selectAll("circle")
.data(data.nodes)
.enter().append("circle")
.attr("r", 5)
.attr("fill", d => d.label === 'Person' ? 'steelblue' : 'orange')
.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended));
node.append("title")
.text(d => `${d.name} (${d.label})`);
simulation.on("tick", () => {
link
.attr("x1", d => d.source.x)
.attr("y1", d => d.source.y)
.attr("x2", d => d.target.x)
.attr("y2", d => d.target.y);
node
.attr("cx", d => d.x)
.attr("cy", d => d.y);
});
function dragstarted(event, d) {
if (!event.active) simulation.alphaTarget(0.3).restart();
d.fx = d.x;
d.fy = d.y;
}
function dragged(event, d) {
d.fx = event.x;
d.fy = event.y;
}
function dragended(event, d) {
if (!event.active) simulation.alphaTarget(0);
d.fx = null;
d.fy = null;
}
}
</script>
</body>
</html>