argobox/src/components/MiniGraph.astro

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---
// MiniGraph.astro - A standalone mini knowledge graph component with fullscreen capability
// This component is designed to work independently from the blog structure and now includes content previews
// Define props interface
interface Props {
slug: string; // Current post slug
title: string; // Current post title
tags?: string[]; // Current post tags
category?: string; // Current post category
content?: string; // Current post content HTML
relatedPosts?: any[]; // Related posts data with their content
allPosts?: any[]; // All posts for second level relationships
width?: string; // Optional width parameter
}
// Extract props with defaults
const {
slug,
title,
tags = [],
category = "Uncategorized",
content = "", // Add content property for current post
relatedPosts = [],
allPosts = [],
width = "100%" // Default width of the component
} = Astro.props;
// Generate unique ID for the graph container
const graphId = `graph-${Math.random().toString(36).substring(2, 8)}`;
// Get all unique tags from related posts (Level 1 tags)
const relatedPostsTags = relatedPosts
.flatMap(post => post.data.tags || [])
.filter(tag => !tags.includes(tag)); // Exclude current post tags to avoid duplicates
// Create a set of all Level 1 nodes' tags for filtering Level 2 tags
const level1TagsSet = new Set([...tags, ...relatedPostsTags]);
// Get Level 2 posts: posts related to Level 1 tags (excluding current post and Level 1 posts)
const level2PostIds = new Set();
const level2Posts = [];
// For each Level 1 tag, find related posts
tags.forEach(tag => {
allPosts.forEach(post => {
// Skip if post is current post or already in related posts
if (post.slug === slug || relatedPosts.some(rp => rp.slug === post.slug) || level2PostIds.has(post.slug)) {
return;
}
// If post has the tag, add it to Level 2
if (post.data.tags?.includes(tag)) {
level2PostIds.add(post.slug);
level2Posts.push(post);
}
});
});
// Only collect Level 2 tags that are directly linked to Level 1 posts
// This fixes the issue where unrelated Level 2 tags were being included
const level2Tags = new Set();
relatedPosts.forEach(post => {
(post.data.tags || []).forEach(tag => {
// Only add if not already in Level 0 or Level 1 tags
if (!tags.includes(tag) && !relatedPostsTags.includes(tag)) {
level2Tags.add(tag);
}
});
});
// Prepare nodes data with different levels
const nodes = [
// Level 0: Current post node
{
id: slug,
label: title,
type: "post",
level: 0,
category: category,
tags: tags,
content: content, // Add content for the current post (as HTML string)
url: `/posts/${slug}/`
},
// Level 1: Tag nodes
...tags.map(tag => ({
id: `tag-${tag}`,
label: tag,
type: "tag",
level: 1,
url: `/tag/${tag}/`
})),
// Level 1: Related post nodes
...relatedPosts.map(post => {
// Extract content from post object - this will vary based on your data structure
// Try multiple properties where content might be stored
let postContent = '';
if (post.data.content) {
postContent = post.data.content;
} else if (post.data.body) {
postContent = post.data.body;
} else if (post.data.html) {
postContent = post.data.html;
} else if (post.content) {
postContent = post.content;
} else if (post.body) {
postContent = post.body;
} else if (post.html) {
postContent = post.html;
} else if (post.data.excerpt) {
postContent = post.data.excerpt;
}
return {
id: post.slug,
label: post.data.title,
type: "post",
level: 1,
category: post.data.category || "Uncategorized",
tags: post.data.tags || [],
content: postContent, // Add content as HTML string
url: `/posts/${post.slug}/`
};
}),
// Level 2: Related tags nodes (Tags from Level 1 posts)
...relatedPostsTags.map(tag => ({
id: `tag-${tag}`,
label: tag,
type: "tag",
level: 2,
url: `/tag/${tag}/`
})),
// Level 2: Posts related to tags (Posts connected to Level 1 tags)
...level2Posts.map(post => {
// Extract content from level 2 posts
let postContent = '';
if (post.data.content) {
postContent = post.data.content;
} else if (post.data.body) {
postContent = post.data.body;
} else if (post.data.html) {
postContent = post.data.html;
} else if (post.content) {
postContent = post.content;
} else if (post.body) {
postContent = post.body;
} else if (post.html) {
postContent = post.html;
} else if (post.data.excerpt) {
postContent = post.data.excerpt;
}
return {
id: post.slug,
label: post.data.title,
type: "post",
level: 2,
category: post.data.category || "Uncategorized",
tags: post.data.tags || [],
content: postContent, // Add content as HTML string
url: `/posts/${post.slug}/`
};
}),
// Level 2: Tags from Level 1 posts (only tags directly connected to Level 1 posts)
// This was the corrected logic for level2Tags Set
...[...level2Tags].map(tag => ({
id: `tag-${tag}`,
label: tag.toString(),
type: "tag",
level: 2,
url: `/tag/${tag.toString()}/`
}))
];
// Create edges connecting nodes
const edges = [
// Level 0 to Level 1: Current post to its tags
...tags.map(tag => ({
source: slug,
target: `tag-${tag}`,
type: "post-tag"
})),
// Level 0 to Level 1: Current post to related posts
...relatedPosts.map(post => ({
source: slug,
target: post.slug,
type: "post-related"
})),
// Level 1 to Level 2: Related posts to their tags
...relatedPosts.flatMap(post =>
(post.data.tags || []).map(tag => ({
source: post.slug,
target: `tag-${tag}`,
type: "post-tag" // Re-using post-tag type for simplicity
}))
),
// Level 1 to Level 2: Tags to related posts
...level2Posts.flatMap(post =>
tags.filter(tag => post.data.tags?.includes(tag)).map(tag => ({
source: `tag-${tag}`,
target: post.slug,
type: "tag-post" // New type for tag -> post connection
}))
)
];
// Prepare graph data object
const graphData = { nodes, edges };
// Define colors for categories
const predefinedColors = {
'Kubernetes': '#326CE5', 'Docker': '#2496ED', 'DevOps': '#FF6F61',
'Homelab': '#06B6D4', 'Networking': '#9333EA', 'Infrastructure': '#10B981',
'Automation': '#F59E0B', 'Security': '#EF4444', 'Monitoring': '#6366F1',
'Storage': '#8B5CF6', 'Obsidian': '#7C3AED', 'Tutorial': '#3B82F6',
'Uncategorized': '#A0AEC0'
};
---
<!-- Enhanced HTML structure with specified width -->
<div class="knowledge-graph-wrapper" style={`width: ${width};`}>
<h4 class="graph-title">Post Connections</h4>
<div id={graphId} class="mini-graph-container"></div>
<!-- Fullscreen Toggle Button -->
<button id={`${graphId}-fullscreen-toggle`} class="fullscreen-toggle" aria-label="Toggle fullscreen">
<svg id={`${graphId}-fullscreen-enter`} class="fullscreen-icon" xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<polyline points="15 3 21 3 21 9"></polyline>
<polyline points="9 21 3 21 3 15"></polyline>
<line x1="21" y1="3" x2="14" y2="10"></line>
<line x1="3" y1="21" x2="10" y2="14"></line>
</svg>
<svg id={`${graphId}-fullscreen-exit`} class="fullscreen-icon hidden" xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<polyline points="4 14 10 14 10 20"></polyline>
<polyline points="20 10 14 10 14 4"></polyline>
<line x1="14" y1="10" x2="21" y2="3"></line>
<line x1="3" y1="21" x2="10" y2="14"></line>
</svg>
</button>
</div>
<!-- Fullscreen container (initially hidden) with enhanced info panel -->
<div id={`${graphId}-fullscreen`} class="fullscreen-container">
<div class="fullscreen-header">
<div class="fullscreen-title">Knowledge Graph</div>
<button id={`${graphId}-exit-fullscreen`} class="exit-fullscreen" aria-label="Exit fullscreen">
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<line x1="18" y1="6" x2="6" y2="18"></line>
<line x1="6" y1="6" x2="18" y2="18"></line>
</svg>
</button>
</div>
<div class="fullscreen-content">
<!-- Fullscreen graph container -->
<div id={`${graphId}-fullscreen-graph`} class="fullscreen-graph"></div>
<!-- Enhanced Info panel with content preview capability -->
<div id={`${graphId}-info-panel`} class="info-panel">
<div class="info-panel-header">
<h3 id={`${graphId}-info-title`} class="info-title">Node Info</h3>
<button id={`${graphId}-close-info`} class="close-info" aria-label="Close info panel">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<line x1="18" y1="6" x2="6" y2="18"></line>
<line x1="6" y1="6" x2="18" y2="18"></line>
</svg>
</button>
</div>
<div class="info-content">
<div class="info-type">
<span class="info-label">Type:</span>
<span id={`${graphId}-info-type`} class="info-value type-value">Post</span>
</div>
<div id={`${graphId}-info-category-container`} class="info-category">
<span class="info-label">Category:</span>
<span id={`${graphId}-info-category`} class="info-value category-value">Category</span>
</div>
<div id={`${graphId}-info-tags-container`} class="info-tags">
<span class="info-label">Tags:</span>
<div id={`${graphId}-info-tags`} class="tags-container"></div>
</div>
<!-- Enhanced content preview section -->
<div id={`${graphId}-content-preview-container`} class="content-preview-container">
<span class="info-label">Content Preview:</span>
<div id={`${graphId}-content-preview`} class="content-preview">
<div class="content-placeholder">
<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1" stroke-linecap="round" stroke-linejoin="round">
<path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
<polyline points="14 2 14 8 20 8"></polyline>
<line x1="16" y1="13" x2="8" y2="13"></line>
<line x1="16" y1="17" x2="8" y2="17"></line>
<polyline points="10 9 9 9 8 9"></polyline>
</svg>
<p>Select a post to view content preview</p>
</div>
</div>
</div>
<div class="info-connections">
<span class="info-label">Connections:</span>
<ul id={`${graphId}-info-connections`} class="connections-list"></ul>
</div>
<a href="#" id={`${graphId}-info-link`} class="info-link" target="_blank" rel="noopener noreferrer">View Content</a>
</div>
</div>
</div>
</div>
<!-- Minimal CSS -->
<style>
/* Base styles for mini graph - 30% larger */
.knowledge-graph-wrapper {
width: 100%; /* Width will be set by style attribute */
position: relative;
margin-bottom: 1.5rem;
}
.graph-title {
font-size: 1.1rem;
margin-bottom: 0.75rem;
color: var(--text-primary, #e2e8f0);
font-weight: 600;
}
.mini-graph-container {
width: 100%;
aspect-ratio: 1 / 1; /* Create square aspect ratio */
border-radius: 8px;
overflow: hidden;
border: 1px solid var(--card-border, rgba(56, 189, 248, 0.2));
background: rgba(15, 23, 42, 0.2);
min-height: 250px; /* Ensure minimum height */
}
/* Fullscreen toggle button */
.fullscreen-toggle {
position: absolute;
top: 10px;
right: 10px;
width: 32px;
height: 32px;
border-radius: 6px;
background: rgba(30, 41, 59, 0.7);
border: 1px solid var(--border-primary, rgba(56, 189, 248, 0.3));
color: var(--text-primary, #e2e8f0);
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
z-index: 2;
transition: all 0.2s ease;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
opacity: 0; /* Hidden by default, shown on hover */
}
.knowledge-graph-wrapper:hover .fullscreen-toggle {
opacity: 0.7; /* Show on hover */
}
.fullscreen-toggle:hover {
opacity: 1;
background: rgba(30, 41, 59, 0.9);
transform: translateY(-2px);
}
.fullscreen-icon {
width: 16px;
height: 16px;
}
.hidden {
display: none;
}
/* Fullscreen container */
.fullscreen-container {
display: none; /* Hidden by default */
position: fixed;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
background: var(--bg-primary, #0f172a);
z-index: 9999;
flex-direction: column;
overflow: hidden;
}
.fullscreen-container.active {
display: flex;
}
.fullscreen-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 0.75rem 1.5rem;
border-bottom: 1px solid var(--border-primary, rgba(56, 189, 248, 0.2));
background: rgba(15, 23, 42, 0.8);
backdrop-filter: blur(8px);
}
.fullscreen-title {
font-size: 1.25rem;
font-weight: 600;
color: var(--text-primary, #e2e8f0);
}
.exit-fullscreen {
width: 36px;
height: 36px;
border-radius: 6px;
background: rgba(30, 41, 59, 0.7);
border: 1px solid var(--border-primary, rgba(56, 189, 248, 0.2));
color: var(--text-primary, #e2e8f0);
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
transition: all 0.2s ease;
}
.exit-fullscreen:hover {
background: rgba(30, 41, 59, 0.9);
}
.fullscreen-content {
flex: 1;
display: flex;
overflow: hidden;
}
.fullscreen-graph {
flex: 1;
height: 100%;
border-right: 1px solid var(--border-primary, rgba(56, 189, 248, 0.2));
}
/* Info panel */
.info-panel {
width: 0; /* Hidden by default */
height: 100%;
background: var(--bg-secondary, #1e293b);
transition: width 0.3s ease;
overflow: hidden;
display: flex;
flex-direction: column;
}
.info-panel.active {
width: 45%; /* Percentage-based width for better responsiveness */
min-width: 400px; /* Minimum width to ensure content is readable */
max-width: 500px; /* Maximum width to prevent overflow on large screens */
}
.info-panel-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 1rem 1.5rem;
border-bottom: 1px solid var(--border-primary, rgba(56, 189, 248, 0.1));
}
.info-title {
font-size: 1.2rem;
margin: 0;
color: var(--text-primary, #e2e8f0);
font-weight: 600;
}
.close-info {
background: none;
border: none;
color: var(--text-secondary, #94a3b8);
cursor: pointer;
padding: 5px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
transition: all 0.2s ease;
}
.close-info:hover {
color: var(--text-primary, #e2e8f0);
background: rgba(255, 255, 255, 0.1);
}
.info-content {
padding: 1.5rem;
overflow-y: auto;
flex: 1;
}
.info-type, .info-category, .info-tags, .info-connections, .content-preview-container {
margin-bottom: 1.25rem;
}
.info-label {
display: block;
color: var(--text-secondary, #94a3b8);
font-size: 0.85rem;
margin-bottom: 0.5rem;
}
.type-value {
display: inline-block;
padding: 0.25rem 0.75rem;
border-radius: 20px;
font-size: 0.85rem;
font-weight: 500;
}
.post-type {
background-color: rgba(59, 130, 246, 0.15);
color: #3B82F6;
}
.tag-type {
background-color: rgba(16, 185, 129, 0.15);
color: #10B981;
}
.category-value {
display: inline-block;
padding: 0.25rem 0.75rem;
border-radius: 20px;
font-size: 0.85rem;
}
.tags-container {
display: flex;
flex-wrap: wrap;
gap: 0.5rem;
}
.tag {
background: rgba(16, 185, 129, 0.1);
color: #10B981;
padding: 0.25rem 0.5rem;
border-radius: 4px;
font-size: 0.75rem;
cursor: pointer;
transition: all 0.2s ease;
}
.tag:hover {
background: rgba(16, 185, 129, 0.2);
transform: translateY(-2px);
}
.connections-list {
padding-left: 0;
list-style: none;
margin: 0;
max-height: 150px;
overflow-y: auto;
}
.connections-list li {
color: var(--text-secondary, #94a3b8);
font-size: 0.9rem;
margin-bottom: 0.5rem;
}
.connections-list a {
color: var(--accent-primary, #38bdf8);
text-decoration: none;
transition: color 0.2s ease;
cursor: pointer;
}
.connections-list a:hover {
color: var(--accent-secondary, #06b6d4);
text-decoration: underline;
}
/* Content Preview Styles - Enhanced */
.content-preview-container {
border-top: 1px solid var(--border-primary, rgba(56, 189, 248, 0.1));
padding-top: 1.25rem;
margin-top: 1.25rem;
}
.content-preview {
max-height: 350px; /* Taller content area */
overflow-y: auto;
background: rgba(15, 23, 42, 0.3);
border-radius: 6px;
border: 1px solid var(--border-primary, rgba(56, 189, 248, 0.1));
padding: 1rem;
font-size: 0.9rem;
line-height: 1.5;
color: var(--text-primary, #e2e8f0);
}
.content-preview::-webkit-scrollbar {
width: 6px;
}
.content-preview::-webkit-scrollbar-track {
background: rgba(15, 23, 42, 0.2);
border-radius: 3px;
}
.content-preview::-webkit-scrollbar-thumb {
background: rgba(56, 189, 248, 0.2);
border-radius: 3px;
}
.content-preview::-webkit-scrollbar-thumb:hover {
background: rgba(56, 189, 248, 0.3);
}
.content-placeholder {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 2rem 1rem;
color: var(--text-tertiary, #64748b);
text-align: center;
}
.content-placeholder svg {
margin-bottom: 1rem;
opacity: 0.5;
}
.content-placeholder p {
margin: 0;
font-size: 0.9rem;
}
.placeholder-note {
margin-top: 0.5rem;
font-size: 0.8rem;
opacity: 0.8;
}
/* Styling for post content preview */
.post-content-preview {
font-family: var(--font-sans, system-ui, -apple-system, BlinkMacSystemFont, sans-serif);
}
.post-content-preview h1,
.post-content-preview h2,
.post-content-preview h3,
.post-content-preview h4,
.post-content-preview h5,
.post-content-preview h6 {
color: var(--text-primary, #e2e8f0);
margin-top: 1rem;
margin-bottom: 0.5rem;
font-weight: 600;
line-height: 1.3;
}
.post-content-preview h1 { font-size: 1.4rem; }
.post-content-preview h2 { font-size: 1.25rem; }
.post-content-preview h3 { font-size: 1.1rem; }
.post-content-preview h4,
.post-content-preview h5,
.post-content-preview h6 { font-size: 1rem; }
.post-content-preview p {
margin-bottom: 1rem;
}
.post-content-preview a {
color: var(--accent-primary, #38bdf8);
text-decoration: none;
border-bottom: 1px dotted var(--accent-primary, #38bdf8);
transition: all 0.2s ease;
}
.post-content-preview a:hover {
color: var(--accent-secondary, #06b6d4);
border-bottom-style: solid;
}
.post-content-preview img {
max-width: 100%;
height: auto;
border-radius: 4px;
margin: 1rem 0;
}
.post-content-preview code {
font-family: var(--font-mono, monospace);
background: rgba(15, 23, 42, 0.5);
padding: 0.2em 0.4em;
border-radius: 3px;
font-size: 0.85em;
}
.post-content-preview pre {
background: rgba(15, 23, 42, 0.5);
padding: 1rem;
border-radius: 6px;
overflow-x: auto;
margin: 1rem 0;
border: 1px solid var(--border-primary, rgba(56, 189, 248, 0.1));
}
.post-content-preview pre code {
background: transparent;
padding: 0;
font-size: 0.85em;
color: var(--text-primary, #e2e8f0);
}
.post-content-preview blockquote {
border-left: 3px solid var(--accent-primary, #38bdf8);
padding-left: 1rem;
margin-left: 0;
color: var(--text-secondary, #94a3b8);
font-style: italic;
}
.post-content-preview ul,
.post-content-preview ol {
padding-left: 1.5rem;
margin-bottom: 1rem;
}
.post-content-preview li {
margin-bottom: 0.25rem;
}
/* Tag Posts Styling */
.tag-posts-title {
margin-top: 0;
margin-bottom: 1rem;
font-size: 1rem;
color: var(--text-primary, #e2e8f0);
}
/* Tag List Styles for tag nodes */
.related-posts-list {
list-style: none;
padding: 0;
margin: 0.5rem 0 0 0;
}
.related-posts-list li {
margin-bottom: 0.75rem;
padding: 0.5rem;
border-radius: 4px;
background: rgba(15, 23, 42, 0.3);
transition: all 0.2s ease;
}
.related-posts-list li:hover {
background: rgba(15, 23, 42, 0.5);
}
.related-posts-list a {
color: var(--accent-primary, #38bdf8);
text-decoration: none;
display: block;
font-size: 0.85rem;
}
.related-posts-list a:hover {
text-decoration: underline;
}
.related-posts-category {
display: inline-block;
font-size: 0.7rem;
padding: 0.15rem 0.5rem;
border-radius: 10px;
margin-top: 0.25rem;
}
.info-link {
display: block;
background: linear-gradient(90deg, var(--accent-primary, #38bdf8), var(--accent-secondary, #06b6d4));
color: var(--bg-primary, #0f172a);
font-weight: 500;
padding: 0.6rem 1.25rem;
border-radius: 6px;
text-decoration: none;
text-align: center;
transition: all 0.3s ease;
box-shadow: 0 4px 10px rgba(6, 182, 212, 0.2);
margin-top: 1rem;
}
.info-link:hover {
transform: translateY(-2px);
box-shadow: 0 6px 15px rgba(6, 182, 212, 0.3);
}
/* Media queries for mobile responsiveness */
@media screen and (max-width: 768px) {
.fullscreen-content {
flex-direction: column;
}
.fullscreen-graph {
height: 60%;
border-right: none;
border-bottom: 1px solid var(--border-primary, rgba(56, 189, 248, 0.2));
}
.info-panel {
width: 100%;
height: 0; /* Start hidden */
}
.info-panel.active {
width: 100%;
height: 40%; /* Take remaining space */
}
.content-preview {
max-height: 150px; /* Smaller height on mobile */
}
}
</style>
<!-- Standalone initialization script -->
<script define:vars={{ graphId, graphData, predefinedColors }}>
// Wait for page to fully load
window.addEventListener('load', function() {
// Retry initialization multiple times in case Cytoscape or the DOM isn't ready yet
let retries = 0;
const maxRetries = 5;
const retryInterval = 500; // ms
function initGraph() {
// Ensure Cytoscape is loaded
if (typeof cytoscape === 'undefined') {
console.warn(`[MiniGraph] Cytoscape not loaded, retry ${retries+1}/${maxRetries}...`);
if (retries < maxRetries) {
retries++;
setTimeout(initGraph, retryInterval);
} else {
console.error("[MiniGraph] Cytoscape library not available after multiple attempts.");
const container = document.getElementById(graphId);
if (container) {
container.innerHTML = '<div style="padding:10px;color:#a0aec0;text-align:center;">Graph library not loaded</div>';
}
}
return;
}
// Verify container exists
const container = document.getElementById(graphId);
if (!container) {
console.error(`[MiniGraph] Container #${graphId} not found.`);
return;
}
// Fullscreen elements
const fullscreenToggle = document.getElementById(`${graphId}-fullscreen-toggle`);
const fullscreenContainer = document.getElementById(`${graphId}-fullscreen`);
const fullscreenGraph = document.getElementById(`${graphId}-fullscreen-graph`);
const exitFullscreenBtn = document.getElementById(`${graphId}-exit-fullscreen`);
const fullscreenEnterIcon = document.getElementById(`${graphId}-fullscreen-enter`);
const fullscreenExitIcon = document.getElementById(`${graphId}-fullscreen-exit`);
const infoPanel = document.getElementById(`${graphId}-info-panel`);
const closeInfoBtn = document.getElementById(`${graphId}-close-info`);
// State variables
let isFullscreen = false;
let cy = null; // Mini graph instance
let cyFullscreen = null; // Fullscreen graph instance
let originalStyles = {}; // To restore page layout after exiting fullscreen
let selectedNode = null; // Currently selected node for fullscreen interactions
try {
// Check if we have any nodes
if (graphData.nodes.length === 0) {
container.innerHTML = '<div style="padding:10px;color:#a0aec0;text-align:center;">No connections</div>';
return;
}
// Generate node colors based on type and category
const nodeElements = graphData.nodes.map(node => {
let nodeColor = '#3B82F6'; // Default blue for posts
if (node.type === 'tag') {
nodeColor = '#10B981'; // Green for tags
} else if (node.type === 'post' && node.category) {
// Use category color for posts if available
nodeColor = predefinedColors[node.category] || '#3B82F6';
}
// Adjust opacity based on level
const levelOpacity = node.level === 0 ? 1 :
node.level === 1 ? 0.85 : 0.7;
// Calculate node size based on level
const nodeSize = node.level === 0 ? 30 :
node.level === 1 ? 22 : 16;
return {
data: {
id: node.id,
label: node.label,
type: node.type,
level: node.level,
category: node.category,
tags: node.tags || [],
content: node.content || '', // Include content for post nodes
color: nodeColor,
opacity: levelOpacity,
size: nodeSize,
url: node.url || '#'
}
};
});
// Generate edge elements
const edgeElements = graphData.edges.map((edge, index) => ({
data: {
id: `e${index}`,
source: edge.source,
target: edge.target,
type: edge.type
}
}));
// Combine nodes and edges
const elements = [...nodeElements, ...edgeElements];
// Define common style array to be used by both graph instances
const graphStyles = [
// Base node style
{
selector: 'node',
style: {
'background-color': 'data(color)',
'label': 'data(label)',
'width': 'data(size)',
'height': 'data(size)',
'font-size': '8px',
'color': '#E2E8F0',
'text-valign': 'bottom',
'text-halign': 'center',
'text-margin-y': 5,
'text-wrap': 'ellipsis',
'text-max-width': '60px',
'text-background-opacity': 0.7,
'text-background-color': '#0F1219',
'text-background-padding': '2px',
'text-background-shape': 'roundrectangle',
'border-width': 2,
'border-color': '#0F1219',
'border-opacity': 0.8,
'opacity': 'data(opacity)'
}
},
// Post node styles
{
selector: 'node[type="post"]',
style: {
'shape': 'ellipse',
'text-max-width': '80px'
}
},
// Current post node (Level 0)
{
selector: 'node[type="post"][level=0]',
style: {
'border-width': 3,
'border-color': '#38BDF8'
}
},
// Tag node styles
{
selector: 'node[type="tag"]',
style: {
'shape': 'diamond',
'width': 'mapData(level, 0, 2, 25, 15)',
'height': 'mapData(level, 0, 2, 25, 15)'
}
},
// Edge styles
{
selector: 'edge',
style: {
'width': 1.5,
'line-color': 'rgba(226, 232, 240, 0.2)',
'curve-style': 'bezier',
'opacity': 0.6
}
},
// Post-tag edges
{
selector: 'edge[type="post-tag"]',
style: {
'line-color': 'rgba(16, 185, 129, 0.7)',
'line-style': 'solid'
}
},
// Related post edges
{
selector: 'edge[type="post-related"]',
style: {
'line-color': 'rgba(59, 130, 246, 0.7)',
'line-style': 'dashed'
}
},
// Level 2 connections
{
selector: 'edge[type="tag-post"]',
style: {
'line-color': 'rgba(16, 185, 129, 0.4)',
'line-style': 'dotted',
'opacity': 0.5
}
},
// Highlight styles
{
selector: '.highlighted',
style: {
'background-color': 'data(color)',
'border-color': '#FFFFFF',
'border-width': 3,
'text-background-opacity': 0.9,
'color': '#FFFFFF',
'opacity': 1,
'z-index': 20
}
},
{
selector: '.faded',
style: {
'opacity': 0.2,
'text-opacity': 0.3
}
},
{
selector: 'node:selected',
style: {
'border-width': 4,
'border-color': '#FFFFFF'
}
}
];
// Initialize mini graph with cose layout
cy = cytoscape({
container,
elements,
style: graphStyles,
layout: {
name: 'cose',
idealEdgeLength: 50,
nodeOverlap: 20,
refresh: 20,
fit: true,
padding: 15,
randomize: false,
componentSpacing: 70,
nodeRepulsion: 400000,
edgeElasticity: 100,
nestingFactor: 5,
gravity: 80,
numIter: 1000,
initialTemp: 200,
coolingFactor: 0.95,
minTemp: 1.0,
animate: false
},
minZoom: 0.5,
maxZoom: 2,
wheelSensitivity: 0.2
});
// Fit graph to container
cy.fit(undefined, 20);
// Add event listeners
cy.on('tap', 'node', function(evt) {
const node = evt.target;
highlightNode(node, cy);
// Navigate on click in mini-graph
const url = node.data('url');
if (url && url !== '#') {
window.location.href = url;
}
});
// Add fullscreen toggle functionality if the button exists
if (fullscreenToggle && fullscreenContainer) {
fullscreenToggle.addEventListener('click', function() {
enterFullscreenMode();
});
}
// Exit fullscreen when button is clicked
if (exitFullscreenBtn) {
exitFullscreenBtn.addEventListener('click', function() {
exitFullscreenMode();
});
}
// Close info panel when close button is clicked
if (closeInfoBtn && infoPanel) {
closeInfoBtn.addEventListener('click', function() {
infoPanel.classList.remove('active');
});
}
// Toggle fullscreen mode by keyboard ESC
document.addEventListener('keydown', function(e) {
if (e.key === 'Escape' && isFullscreen) {
exitFullscreenMode();
}
});
// Function to enter fullscreen mode
function enterFullscreenMode() {
if (isFullscreen) return;
isFullscreen = true;
// Show fullscreen container
fullscreenContainer.classList.add('active');
// Update fullscreen toggle icons
fullscreenEnterIcon.classList.add('hidden');
fullscreenExitIcon.classList.remove('hidden');
// Store original styles of important page elements to restore later
saveOriginalStyles();
// Initialize fullscreen graph if not already done
if (!cyFullscreen && fullscreenGraph) {
initFullscreenGraph();
} else if (cyFullscreen) {
// If already initialized, just resize and fit
setTimeout(() => {
cyFullscreen.resize();
cyFullscreen.fit(undefined, 30);
cyFullscreen.center();
}, 50); // Small delay for transition
}
// Prevent body scroll
document.body.style.overflow = 'hidden';
}
// Function to exit fullscreen mode
function exitFullscreenMode() {
if (!isFullscreen) return;
isFullscreen = false;
// Hide fullscreen container
fullscreenContainer.classList.remove('active');
// Update fullscreen toggle icons
fullscreenEnterIcon.classList.remove('hidden');
fullscreenExitIcon.classList.add('hidden');
// Close info panel
if (infoPanel) {
infoPanel.classList.remove('active');
}
// Restore original page layout
restoreOriginalStyles();
// Allow body scroll again
document.body.style.overflow = '';
// Resize mini graph after exit
setTimeout(() => {
if (cy) {
cy.resize();
cy.fit(undefined, 20);
}
}, 50);
}
// Save original styles of page elements before entering fullscreen
function saveOriginalStyles() {
originalStyles = {
bodyOverflow: document.body.style.overflow,
// Add other elements that need to be restored later
};
// Check for sidebar, content containers, etc. and save their styles
const sidebar = document.querySelector('.post-sidebar'); // Use specific class
const mainContent = document.querySelector('.post-main-column'); // Use specific class
if (sidebar) {
originalStyles.sidebar = {
element: sidebar,
display: sidebar.style.display,
visibility: sidebar.style.visibility,
position: sidebar.style.position,
zIndex: sidebar.style.zIndex,
width: sidebar.style.width, // Save width too
flex: sidebar.style.flex,
gridColumn: sidebar.style.gridColumn
};
}
if (mainContent) {
originalStyles.mainContent = {
element: mainContent,
marginLeft: mainContent.style.marginLeft,
width: mainContent.style.width,
maxWidth: mainContent.style.maxWidth
};
}
}
// Restore original styles when exiting fullscreen
function restoreOriginalStyles() {
document.body.style.overflow = originalStyles.bodyOverflow || '';
// Restore sidebar if it exists
if (originalStyles.sidebar && originalStyles.sidebar.element) {
const sidebar = originalStyles.sidebar.element;
Object.assign(sidebar.style, originalStyles.sidebar); // Restore all saved styles
sidebar.style.removeProperty('position'); // Ensure position is reset if it was static
}
// Restore main content if it exists
if (originalStyles.mainContent && originalStyles.mainContent.element) {
const mainContent = originalStyles.mainContent.element;
Object.assign(mainContent.style, originalStyles.mainContent);
}
// Force reflow to ensure styles apply correctly
setTimeout(() => {
const contentArea = document.querySelector('.post-content');
if (contentArea) {
const display = contentArea.style.display;
contentArea.style.display = 'none';
void contentArea.offsetHeight; // Trigger reflow
contentArea.style.display = display;
}
}, 0);
}
// Initialize the fullscreen graph
function initFullscreenGraph() {
if (!fullscreenGraph) return;
// Create a new cytoscape instance for fullscreen with the same data
cyFullscreen = cytoscape({
container: fullscreenGraph,
elements: elements,
style: graphStyles,
layout: {
name: 'cose',
idealEdgeLength: 80,
nodeOverlap: 20,
refresh: 20,
fit: true,
padding: 30,
randomize: false,
componentSpacing: 100,
nodeRepulsion: 450000,
edgeElasticity: 100,
nestingFactor: 5,
gravity: 80,
numIter: 1000,
initialTemp: 200,
coolingFactor: 0.95,
minTemp: 1.0,
animate: false
},
minZoom: 0.2,
maxZoom: 3,
wheelSensitivity: 0.3
});
// Fit graph to container
cyFullscreen.fit(undefined, 30);
// Add fullscreen interactions
addFullscreenInteractions();
}
// Add interactions for fullscreen mode
function addFullscreenInteractions() {
// Click on node to show info
cyFullscreen.on('tap', 'node', function(evt) {
const node = evt.target;
selectedNode = node; // Store the selected node
const nodeData = node.data();
// Highlight the selected node
highlightNode(node, cyFullscreen);
// Show info panel
showNodeInfo(nodeData);
});
// Click on background to reset
cyFullscreen.on('tap', function(evt) {
if (evt.target === cyFullscreen) {
// Remove highlights
cyFullscreen.elements().removeClass('highlighted faded');
selectedNode = null;
// Hide info panel
if (infoPanel) {
infoPanel.classList.remove('active');
}
}
});
}
// Highlight a node and its connections
function highlightNode(node, cyInstance) {
// Remove previous highlights
cyInstance.elements().removeClass('highlighted faded');
// Highlight selected node and its neighborhood
node.addClass('highlighted');
node.neighborhood().addClass('highlighted');
// Fade the rest
cyInstance.elements().difference(node.neighborhood().union(node)).addClass('faded');
}
// Enhanced showNodeInfo function to properly display content previews
function showNodeInfo(nodeData) {
if (!infoPanel) return;
// Get elements inside the panel
const infoTitleEl = document.getElementById(`${graphId}-info-title`);
const infoTypeEl = document.getElementById(`${graphId}-info-type`);
const categoryContainerEl = document.getElementById(`${graphId}-info-category-container`);
const categoryEl = document.getElementById(`${graphId}-info-category`);
const tagsContainerEl = document.getElementById(`${graphId}-info-tags-container`);
const tagsEl = document.getElementById(`${graphId}-info-tags`);
const contentPreviewContainerEl = document.getElementById(`${graphId}-content-preview-container`);
const contentPreviewEl = document.getElementById(`${graphId}-content-preview`);
const connectionsEl = document.getElementById(`${graphId}-info-connections`);
const linkEl = document.getElementById(`${graphId}-info-link`);
// Set node title
if (infoTitleEl) infoTitleEl.textContent = nodeData.label;
// Set node type
if (infoTypeEl) {
infoTypeEl.textContent = nodeData.type.charAt(0).toUpperCase() + nodeData.type.slice(1);
infoTypeEl.className = `info-value type-value ${nodeData.type}-type`;
}
// Set category if it's a post
if (categoryContainerEl && categoryEl) {
if (nodeData.type === 'post' && nodeData.category) {
categoryContainerEl.style.display = 'block';
categoryEl.textContent = nodeData.category;
const catColor = predefinedColors[nodeData.category] || '#A0AEC0';
categoryEl.style.backgroundColor = `${catColor}33`;
categoryEl.style.color = catColor;
} else {
categoryContainerEl.style.display = 'none';
}
}
// Set tags
if (tagsContainerEl && tagsEl) {
if (nodeData.tags && nodeData.tags.length > 0) {
tagsContainerEl.style.display = 'block';
tagsEl.innerHTML = '';
nodeData.tags.forEach(tag => {
const tagEl = document.createElement('span');
tagEl.className = 'tag';
tagEl.textContent = tag;
tagEl.addEventListener('click', () => {
const tagNode = cyFullscreen.getElementById(`tag-${tag}`);
if (tagNode.length > 0) {
selectedNode = tagNode; // Update selected node
highlightNode(tagNode, cyFullscreen);
showNodeInfo(tagNode.data());
}
});
tagsEl.appendChild(tagEl);
});
} else {
tagsContainerEl.style.display = 'none';
}
}
// Show or hide content preview based on node type
if (contentPreviewContainerEl && contentPreviewEl) {
// First, clear any previous content
contentPreviewEl.innerHTML = '';
if (nodeData.type === 'post') {
// Always show content container for post nodes, even if content is missing
contentPreviewContainerEl.style.display = 'block';
if (nodeData.content && nodeData.content.trim() !== '') {
// We have content to display
contentPreviewEl.innerHTML = `
<div class="post-content-preview">
${nodeData.content}
</div>
`;
} else {
// No content available, show placeholder
contentPreviewEl.innerHTML = `
<div class="content-placeholder">
<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1" stroke-linecap="round" stroke-linejoin="round">
<path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
<polyline points="14 2 14 8 20 8"></polyline>
<line x1="16" y1="13" x2="8" y2="13"></line>
<line x1="16" y1="17" x2="8" y2="17"></line>
<polyline points="10 9 9 9 8 9"></polyline>
</svg>
<p>No content preview available</p>
<p class="placeholder-note">Click the link below to read the full post</p>
</div>
`;
}
} else if (nodeData.type === 'tag') {
// For tag nodes, show related posts instead
contentPreviewContainerEl.style.display = 'block';
// Find posts that are connected to this tag
const tagId = nodeData.id;
const currentNode = cyFullscreen.getElementById(tagId);
const connectedPosts = currentNode.neighborhood('node[type="post"]');
if (connectedPosts.length > 0) {
contentPreviewEl.innerHTML = `
<div class="tag-related-posts">
<h4 class="tag-posts-title">Posts with tag "${nodeData.label}":</h4>
<ul class="related-posts-list">
${Array.from(connectedPosts).map(post => {
const postData = post.data();
const categoryColor = postData.category && predefinedColors[postData.category]
? predefinedColors[postData.category]
: '#A0AEC0';
return `
<li>
<a href="#" class="related-post-link" data-node-id="${postData.id}">
${postData.label}
</a>
${postData.category ? `
<span class="related-posts-category" style="background-color:${categoryColor}33;color:${categoryColor}">
${postData.category}
</span>
` : ''}
</li>
`;
}).join('')}
</ul>
</div>
`;
// Add click handlers for related posts
setTimeout(() => {
const relatedPostLinks = contentPreviewEl.querySelectorAll('.related-post-link');
relatedPostLinks.forEach(link => {
link.addEventListener('click', (e) => {
e.preventDefault();
const nodeId = link.getAttribute('data-node-id');
const postNode = cyFullscreen.getElementById(nodeId);
if (postNode.length > 0) {
selectedNode = postNode;
highlightNode(postNode, cyFullscreen);
showNodeInfo(postNode.data());
}
});
});
}, 10); // Small delay to ensure elements are rendered
} else {
contentPreviewEl.innerHTML = `
<div class="content-placeholder">
<p>No posts connected to tag "${nodeData.label}" in the current view.</p>
</div>
`;
}
} else {
// Hide for other node types
contentPreviewContainerEl.style.display = 'none';
}
}
// Set connections - now with interactive links
if (connectionsEl) {
connectionsEl.innerHTML = '';
const currentNode = cyFullscreen.getElementById(nodeData.id); // Get current node from fullscreen instance
const neighbors = currentNode.neighborhood('node');
if (neighbors.length > 0) {
neighbors.forEach(neighbor => {
const neighborData = neighbor.data();
const li = document.createElement('li');
const a = document.createElement('a');
a.href = '#';
a.textContent = neighborData.label;
a.addEventListener('click', (e) => {
e.preventDefault();
selectedNode = neighbor; // Update selected node
highlightNode(neighbor, cyFullscreen);
showNodeInfo(neighborData);
});
li.appendChild(a);
connectionsEl.appendChild(li);
});
} else {
const li = document.createElement('li');
li.textContent = 'No connections';
connectionsEl.appendChild(li);
}
}
// Set link based on node type - dynamic text and URL
if (linkEl) {
if (nodeData.type === 'post') {
linkEl.textContent = 'Read Post';
linkEl.href = nodeData.url || `/posts/${nodeData.id}/`;
} else if (nodeData.type === 'tag') {
linkEl.textContent = 'View Tag';
linkEl.href = nodeData.url || `/tag/${nodeData.label}/`;
} else {
linkEl.textContent = 'View Content';
linkEl.href = nodeData.url || '#';
}
}
// Show the panel
infoPanel.classList.add('active');
}
} catch (error) {
console.error('[MiniGraph] Error initializing graph:', error);
container.innerHTML = '<div style="padding:10px;color:#a0aec0;text-align:center;">Error loading graph</div>';
}
}
// Start initialization attempt
initGraph();
});
</script>