Minor changes for Felix

src/app/panels/bubble-panel.html

@@ -0,0 +1,17 @@
+<div class="card">
+  <div class="card-block">
+    <div class="row">
+      <div class="col-12">
+        <h4 class="card-title mb-0">Spend by company and sector</h4>
+      </div>
+    </div>
+    <div class"chart-wrapper">
+      <canvas baseChart class="chart"
+      [datasets]="bubbleChartData"
+      [options]="bubbleChartOptions"
+      [colors]="bubbleChartColors"
+      [legend]="bubbleChartLegend"
+      [chartType]="bubbleChartType"></canvas>
+    </div>
+  </div>
+</div>

src/app/panels/bubble-panel.ts

@@ -0,0 +1,98 @@
+import { Component, OnInit } from '@angular/core';
+import { ChartOptions, ChartType, ChartDataSets } from 'chart.js';
+import { Color } from 'ng2-charts';
+
+@Component({
+  selector: 'app-bubble-chart',
+  templateUrl: './bubble-chart.component.html',
+  styleUrls: ['./bubble-chart.component.scss']
+})
+export class BubbleChartComponent implements OnInit {
+  public bubbleChartOptions: ChartOptions = {
+    responsive: true,
+    scales: {
+      xAxes: [
+        {
+          ticks: {
+            min: 0,
+            max: 30,
+          }
+        }
+      ],
+      yAxes: [
+        {
+          ticks: {
+            min: 0,
+            max: 30,
+          }
+        }
+      ]
+    }
+  };
+  public bubbleChartType: ChartType = 'bubble';
+  public bubbleChartLegend = true;
+
+  public bubbleChartData: ChartDataSets[] = [
+    {
+      data: [
+        { x: 10, y: 10, r: 10 },
+        { x: 15, y: 5, r: 15 },
+        { x: 26, y: 12, r: 23 },
+        { x: 7, y: 8, r: 8 },
+      ],
+      label: 'Series A',
+      backgroundColor: 'green',
+      borderColor: 'blue',
+      hoverBackgroundColor: 'purple',
+      hoverBorderColor: 'red',
+    },
+  ];
+
+  public bubbleChartColors: Color[] = [
+    {
+      backgroundColor: [
+        'red',
+        'green',
+        'blue',
+        'purple',
+        'yellow',
+        'brown',
+        'magenta',
+        'cyan',
+        'orange',
+        'pink'
+      ]
+    }
+  ];
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+  // events
+  public chartClicked({ event, active }: { event: MouseEvent, active: {}[] }): void {
+    console.log(event, active);
+  }
+
+  public chartHovered({ event, active }: { event: MouseEvent, active: {}[] }): void {
+    console.log(event, active);
+  }
+
+  private rand(max: number) {
+    return Math.trunc(Math.random() * max);
+  }
+
+  private randomPoint(maxCoordinate: number) {
+    const x = this.rand(maxCoordinate);
+    const y = this.rand(maxCoordinate);
+    const r = this.rand(30) + 5;
+    return { x, y, r };
+  }
+
+  public randomize(): void {
+    const numberOfPoints = this.rand(5) + 5;
+    const data = Array.apply(null, { length: numberOfPoints }).map(r => this.randomPoint(30));
+    this.bubbleChartData[0].data = data;
+  }
+}

src/app/panels/pie-panel.component.ts

@@ -12,7 +12,7 @@ import { ChartData } from '../_interfaces/chart-data';
 
 export class PiePanel implements OnInit {
 
-  public chartType = 'panel-pie';
+  public chartType = 'doughnut';
   public chartLegend = true;
   public doughnutChartDataLocal: number[] = [];
   public doughnutChartLabelsLocal: string[] = [];