Store YAML frontmatter in notes.
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401
templates/note_mindmap.html
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401
templates/note_mindmap.html
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{% extends "layout.html" %}
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{% block content %}
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<div class="timetrack-container note-mindmap-container">
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<div class="mindmap-header">
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<h2>{{ note.title }} - Mind Map View</h2>
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<div class="mindmap-actions">
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<button type="button" class="btn btn-sm btn-secondary" onclick="resetZoom()">
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Reset Zoom
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</button>
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<button type="button" class="btn btn-sm btn-secondary" onclick="toggleFullscreen()">
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Fullscreen
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</button>
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<a href="{{ url_for('view_note', slug=note.slug) }}" class="btn btn-sm btn-info">
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Back to Note
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</a>
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</div>
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</div>
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<div id="mindmap-container" class="mindmap-container">
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<svg id="mindmap-svg"></svg>
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</div>
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</div>
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<style>
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.note-mindmap-container {
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max-width: none !important;
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width: 100% !important;
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padding: 1rem !important;
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margin: 0 !important;
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height: calc(100vh - 100px);
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display: flex;
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flex-direction: column;
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}
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.mindmap-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 1rem;
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}
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.mindmap-actions {
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display: flex;
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gap: 0.5rem;
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}
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.mindmap-container {
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flex: 1;
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background: white;
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border: 1px solid #dee2e6;
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border-radius: 8px;
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overflow: hidden;
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position: relative;
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}
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#mindmap-svg {
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width: 100%;
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height: 100%;
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cursor: grab;
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}
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#mindmap-svg.grabbing {
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cursor: grabbing;
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}
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.node {
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cursor: pointer;
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}
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.node circle {
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fill: #fff;
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stroke: steelblue;
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stroke-width: 3px;
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}
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.node rect {
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fill: #f9f9f9;
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stroke: steelblue;
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stroke-width: 2px;
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rx: 5px;
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}
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.node text {
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font: 12px sans-serif;
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pointer-events: none;
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}
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.link {
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fill: none;
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stroke: #ccc;
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stroke-width: 2px;
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}
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.node.collapsed circle {
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fill: steelblue;
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}
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.node.root rect {
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fill: #4CAF50;
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stroke: #45a049;
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}
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.node.root text {
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fill: white;
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font-weight: bold;
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}
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.node.level1 rect {
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fill: #e3f2fd;
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stroke: #2196F3;
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}
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.node.level2 rect {
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fill: #f3e5f5;
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stroke: #9C27B0;
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}
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.node.level3 rect {
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fill: #fff3e0;
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stroke: #FF9800;
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}
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/* Fullscreen styles */
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.mindmap-container.fullscreen {
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position: fixed;
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top: 0;
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left: 0;
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width: 100vw;
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height: 100vh;
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z-index: 9999;
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margin: 0;
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border-radius: 0;
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}
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</style>
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<script src="https://d3js.org/d3.v7.min.js"></script>
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<script>
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// Parse markdown content to extract structure
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const markdownContent = {{ note.content | tojson }};
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function parseMarkdownToTree(markdown) {
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const lines = markdown.split('\n');
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const root = {
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name: '{{ note.title }}',
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children: [],
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level: 0
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};
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const stack = [root];
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let currentList = null;
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lines.forEach(line => {
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// Check for headers
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const headerMatch = line.match(/^(#{1,6})\s+(.+)$/);
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if (headerMatch) {
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const level = headerMatch[1].length;
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const text = headerMatch[2];
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// Pop stack until we find parent level
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while (stack.length > level) {
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stack.pop();
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}
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const node = {
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name: text,
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children: [],
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level: level
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};
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const parent = stack[stack.length - 1];
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if (!parent.children) parent.children = [];
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parent.children.push(node);
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stack.push(node);
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currentList = null;
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}
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// Check for list items
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const listMatch = line.match(/^(\s*)[*\-+]\s+(.+)$/);
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if (listMatch) {
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const indent = listMatch[1].length;
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const text = listMatch[2];
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const node = {
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name: text,
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children: [],
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level: stack[stack.length - 1].level + 1,
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isList: true
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};
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const parent = stack[stack.length - 1];
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if (!parent.children) parent.children = [];
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parent.children.push(node);
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}
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// Check for numbered lists
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const numberedListMatch = line.match(/^(\s*)\d+\.\s+(.+)$/);
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if (numberedListMatch) {
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const text = numberedListMatch[2];
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const node = {
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name: text,
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children: [],
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level: stack[stack.length - 1].level + 1,
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isList: true
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};
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const parent = stack[stack.length - 1];
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if (!parent.children) parent.children = [];
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parent.children.push(node);
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}
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});
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return root;
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}
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// D3 Mind Map Implementation
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const treeData = parseMarkdownToTree(markdownContent);
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const margin = {top: 20, right: 120, bottom: 20, left: 120};
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const width = document.getElementById('mindmap-container').clientWidth;
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const height = document.getElementById('mindmap-container').clientHeight;
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const svg = d3.select("#mindmap-svg")
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.attr("viewBox", [-width / 2, -height / 2, width, height]);
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const g = svg.append("g");
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// Add zoom behavior
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const zoom = d3.zoom()
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.scaleExtent([0.1, 3])
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.on("zoom", (event) => {
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g.attr("transform", event.transform);
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});
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svg.call(zoom);
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// Create tree layout
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const tree = d3.tree()
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.size([height - margin.top - margin.bottom, width - margin.left - margin.right]);
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// Create hierarchy
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const root = d3.hierarchy(treeData);
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root.x0 = 0;
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root.y0 = 0;
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// Collapse after the second level
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root.descendants().forEach((d, i) => {
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d.id = i;
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if (d.depth && d.depth > 1) {
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d._children = d.children;
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d.children = null;
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}
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});
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update(root);
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function update(source) {
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const duration = 750;
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// Compute tree layout
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const treeData = tree(root);
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const nodes = treeData.descendants();
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const links = treeData.links();
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// Normalize for fixed-depth
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nodes.forEach(d => {
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d.y = d.depth * 180;
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});
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// Update nodes
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const node = g.selectAll("g.node")
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.data(nodes, d => d.id);
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const nodeEnter = node.enter().append("g")
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.attr("class", d => `node level${Math.min(d.depth, 3)}`)
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.attr("transform", d => `translate(${source.y0},${source.x0})`)
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.on("click", click);
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// Add rectangles for nodes
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nodeEnter.append("rect")
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.attr("width", 1e-6)
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.attr("height", 1e-6)
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.attr("x", -1)
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.attr("y", -1)
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.attr("class", d => d.depth === 0 ? "root" : "");
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// Add text
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nodeEnter.append("text")
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.attr("dy", ".35em")
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.attr("text-anchor", "middle")
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.text(d => d.data.name)
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.style("fill-opacity", 1e-6);
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// Transition nodes to their new position
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const nodeUpdate = nodeEnter.merge(node);
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nodeUpdate.transition()
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.duration(duration)
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.attr("transform", d => `translate(${d.y},${d.x})`);
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nodeUpdate.select("rect")
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.attr("width", d => {
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const textLength = d.data.name.length * 8 + 20;
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return Math.max(textLength, 100);
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})
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.attr("height", 30)
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.attr("x", d => {
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const textLength = d.data.name.length * 8 + 20;
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return -Math.max(textLength, 100) / 2;
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})
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.attr("y", -15)
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.attr("class", d => d._children ? "collapsed" : "");
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nodeUpdate.select("text")
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.style("fill-opacity", 1);
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// Remove exiting nodes
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const nodeExit = node.exit().transition()
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.duration(duration)
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.attr("transform", d => `translate(${source.y},${source.x})`)
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.remove();
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nodeExit.select("rect")
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.attr("width", 1e-6)
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.attr("height", 1e-6);
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nodeExit.select("text")
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.style("fill-opacity", 1e-6);
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// Update links
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const link = g.selectAll("path.link")
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.data(links, d => d.target.id);
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const linkEnter = link.enter().insert("path", "g")
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.attr("class", "link")
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.attr("d", d => {
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const o = {x: source.x0, y: source.y0};
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return diagonal({source: o, target: o});
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});
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const linkUpdate = linkEnter.merge(link);
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linkUpdate.transition()
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.duration(duration)
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.attr("d", diagonal);
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const linkExit = link.exit().transition()
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.duration(duration)
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.attr("d", d => {
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const o = {x: source.x, y: source.y};
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return diagonal({source: o, target: o});
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})
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.remove();
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// Store old positions
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nodes.forEach(d => {
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d.x0 = d.x;
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d.y0 = d.y;
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});
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}
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function diagonal(d) {
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return `M ${d.source.y} ${d.source.x}
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C ${(d.source.y + d.target.y) / 2} ${d.source.x},
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${(d.source.y + d.target.y) / 2} ${d.target.x},
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${d.target.y} ${d.target.x}`;
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}
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function click(event, d) {
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if (d.children) {
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d._children = d.children;
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d.children = null;
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} else {
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d.children = d._children;
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d._children = null;
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}
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update(d);
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}
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function resetZoom() {
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svg.transition()
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.duration(750)
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.call(zoom.transform, d3.zoomIdentity);
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}
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function toggleFullscreen() {
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const container = document.getElementById('mindmap-container');
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container.classList.toggle('fullscreen');
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// Recalculate dimensions
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const newWidth = container.clientWidth;
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const newHeight = container.clientHeight;
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svg.attr("viewBox", [-newWidth / 2, -newHeight / 2, newWidth, newHeight]);
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}
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// Center the tree initially
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svg.call(zoom.transform, d3.zoomIdentity.translate(width / 2, height / 2).scale(0.8));
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</script>
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{% endblock %}
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