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Merge pull request #76 from EliasDeHondt/72-task-investigate-cluster-…
…visualizations 72 task investigate cluster visualizations
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,15 @@ | ||
| /**********************************/ | ||
| /* @since 01/01/2025 */ | ||
| /* @author K10s Open Source Team */ | ||
| /**********************************/ | ||
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| .spider-web-container { | ||
| position: relative; | ||
| height: 600px; | ||
| overflow: hidden; | ||
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| } | ||
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| canvas { | ||
| pointer-events: auto; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| <!--Author K10s Open Source Team--> | ||
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| <div class="spider-web-container"> | ||
| <canvas #canvas></canvas> | ||
| </div> |
123 changes: 123 additions & 0 deletions
123
App/Frontend/src/app/spider-web/spider-web.component.ts
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,123 @@ | ||
| /**********************************/ | ||
| /* @since 01/01/2025 */ | ||
| /* @author K10s Open Source Team */ | ||
| /**********************************/ | ||
| import { Component, OnInit, ViewChild, ElementRef } from '@angular/core'; | ||
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| interface Node { | ||
| id: number; | ||
| x: number; | ||
| y: number; | ||
| radius: number; | ||
| } | ||
|
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| @Component({ | ||
| selector: 'app-spider-web', | ||
| templateUrl: './spider-web.component.html', | ||
| standalone: true, | ||
| styleUrls: ['./spider-web.component.css'] | ||
| }) | ||
| export class SpiderWebComponent implements OnInit { | ||
| @ViewChild('canvas', { static: true }) canvasRef!: ElementRef; | ||
| private ctx!: CanvasRenderingContext2D; | ||
| private nodes: Node[] = []; | ||
| private connections: { from: number, to: number }[] = []; | ||
| private isDragging = false; | ||
| private draggedNode: Node | null = null; | ||
| private offsetX = 0; | ||
| private offsetY = 0; | ||
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| ngOnInit(): void { | ||
| this.initializeCanvas(); | ||
| this.createNodes(); | ||
| this.drawWeb(); | ||
| this.addEventListeners(); | ||
| } | ||
|
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| initializeCanvas() { | ||
| const canvas = this.canvasRef.nativeElement; | ||
| this.ctx = canvas.getContext('2d')!; | ||
| canvas.width = window.innerWidth; | ||
| canvas.height = window.innerHeight; | ||
| } | ||
|
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| createNodes() { //todo echt ophalen | ||
| for (let i = 0; i < 10; i++) { | ||
| this.nodes.push({ | ||
| id: i, | ||
| x: Math.random() * window.innerWidth, | ||
| y: Math.random() * window.innerHeight, | ||
| radius: 40 | ||
| }); | ||
| } | ||
|
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| for (let i = 0; i < this.nodes.length; i++) { | ||
| for (let j = i + 1; j < this.nodes.length; j++) { | ||
| if (Math.random() > 0.5) { | ||
| this.connections.push({ from: i, to: j }); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| drawWeb() { | ||
| this.ctx.clearRect(0, 0, window.innerWidth, window.innerHeight); | ||
|
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| const rootStyles = getComputedStyle(document.documentElement); | ||
| const primary = rootStyles.getPropertyValue('--primary').trim(); | ||
| const statusBlue = rootStyles.getPropertyValue('--status-blue').trim(); | ||
| const statusGrey = rootStyles.getPropertyValue('--status-grey').trim(); | ||
|
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| this.connections.forEach(connection => { | ||
| const fromNode = this.nodes[connection.from]; | ||
| const toNode = this.nodes[connection.to]; | ||
| this.ctx.beginPath(); | ||
| this.ctx.moveTo(fromNode.x, fromNode.y); | ||
| this.ctx.lineTo(toNode.x, toNode.y); | ||
| this.ctx.strokeStyle = statusGrey; | ||
| this.ctx.lineWidth = 1; | ||
| this.ctx.stroke(); | ||
| }); | ||
|
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| this.nodes.forEach(node => { | ||
| this.ctx.beginPath(); | ||
| this.ctx.arc(node.x, node.y, node.radius, 0, Math.PI * 2); | ||
| this.ctx.fillStyle = primary; | ||
| this.ctx.fill(); | ||
| this.ctx.strokeStyle = statusBlue; | ||
| this.ctx.stroke(); | ||
| }); | ||
| } | ||
|
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| addEventListeners() { | ||
| const canvas = this.canvasRef.nativeElement; | ||
|
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| canvas.addEventListener('mousedown', (event: MouseEvent) => { | ||
| const mouseX = event.clientX; | ||
| const mouseY = event.clientY; | ||
|
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| this.draggedNode = this.nodes.find(node => | ||
| Math.sqrt(Math.pow(node.x - mouseX, 2) + Math.pow(node.y - mouseY, 2)) < node.radius | ||
| ) || null; | ||
|
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| if (this.draggedNode) { | ||
| this.isDragging = true; | ||
| this.offsetX = mouseX - this.draggedNode.x; | ||
| this.offsetY = mouseY - this.draggedNode.y; | ||
| } | ||
| }); | ||
|
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| canvas.addEventListener('mousemove', (event: MouseEvent) => { | ||
| if (this.isDragging && this.draggedNode) { | ||
| this.draggedNode.x = event.clientX - this.offsetX; | ||
| this.draggedNode.y = event.clientY - this.offsetY; | ||
| this.drawWeb(); | ||
| } | ||
| }); | ||
|
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| canvas.addEventListener('mouseup', () => { | ||
| this.isDragging = false; | ||
| this.draggedNode = null; | ||
| }); | ||
| } | ||
| } |