108 lines
2.9 KiB
JavaScript
108 lines
2.9 KiB
JavaScript
const charts = {};
|
|
|
|
function buildChart(id, type, labels, data, label = 'Cases') {
|
|
|
|
const ctx = document.getElementById(id);
|
|
|
|
if (!ctx) return;
|
|
|
|
if (charts[id]) charts[id].destroy();
|
|
|
|
charts[id] = new Chart(ctx, {
|
|
type: type,
|
|
data: {
|
|
labels: labels,
|
|
datasets: [{
|
|
label: label,
|
|
data: data,
|
|
borderWidth: 2,
|
|
tension: 0.3
|
|
}]
|
|
},
|
|
options: {
|
|
responsive: true,
|
|
maintainAspectRatio: false
|
|
}
|
|
});
|
|
|
|
}
|
|
function buildMixedTrendChart(canvasId, labels, samples, positivity) {
|
|
const ctx = document.getElementById(canvasId);
|
|
if (!ctx) return;
|
|
if (charts[canvasId]) charts[canvasId].destroy();
|
|
charts[canvasId] = new Chart(ctx, {
|
|
data: {
|
|
labels: labels,
|
|
datasets: [
|
|
{
|
|
type: 'line',
|
|
label: '% Positive',
|
|
data: positivity,
|
|
borderColor: '#1e6ef2',
|
|
borderWidth: 2,
|
|
tension: 0.4,
|
|
fill: false,
|
|
pointRadius: 4,
|
|
pointStyle: 'line',
|
|
yAxisID: 'y1'
|
|
},
|
|
{
|
|
type: 'bar',
|
|
label: 'Total sample',
|
|
data: samples,
|
|
backgroundColor: '#2ecc71',
|
|
borderRadius: 6,
|
|
barPercentage: 0.6,
|
|
pointStyle: 'rect',
|
|
categoryPercentage: 0.7,
|
|
yAxisID: 'y',
|
|
},
|
|
]
|
|
},
|
|
options: {
|
|
responsive: true,
|
|
maintainAspectRatio: false,
|
|
plugins: {
|
|
legend: {
|
|
position: 'bottom',
|
|
align: 'center',
|
|
labels: {
|
|
usePointStyle: true,
|
|
padding: 20,
|
|
boxWidth: 30,
|
|
font: {
|
|
size: 12
|
|
}
|
|
}
|
|
}
|
|
},
|
|
layout: {
|
|
padding: {
|
|
bottom: 50
|
|
}
|
|
},
|
|
scales: {
|
|
y: {
|
|
position: 'left',
|
|
title: {
|
|
display: true,
|
|
text: 'Total sample'
|
|
}
|
|
},
|
|
y1: {
|
|
position: 'right',
|
|
grid: {
|
|
drawOnChartArea: false
|
|
},
|
|
title: {
|
|
display: true,
|
|
text: '% Positive'
|
|
},
|
|
ticks: {
|
|
callback: value => value + '%'
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
} |