2017-01-06 17:26:33 -05:00

99 lines
2.9 KiB
JavaScript

//--AJAX CODE--//
//This code will manage the request to the server
var ajaxChart = new XMLHttpRequest();
//--CHART DATA--//
var hash = {};
backgroundColors = [
'rgba(255, 99, 132, 0.2)',
'rgba(54, 162, 235, 0.2)',
'rgba(255, 206, 86, 0.2)',
'rgba(75, 192, 192, 0.2)',
'rgba(153, 102, 255, 0.2)',
'rgba(255, 159, 64, 0.2)'
];
borderColors = [
'rgba(255,99,132,1)',
'rgba(54, 162, 235, 1)',
'rgba(255, 206, 86, 1)',
'rgba(75, 192, 192, 1)',
'rgba(153, 102, 255, 1)',
'rgba(255, 159, 64, 1)'
];
//--AJAX REQUEST--//
var params = window.location.search.replace("?","").split("&");
date = params[0].split("=")[1];
ajaxChart.onreadystatechange = function(){
var labels = [];
var gradeCounts = [];
var gradePercentages = [];
hash = JSON.parse(ajaxChart.responseText);
var counts = hash["counts"];
var percentages = hash["percentages"];
for(key in counts){
labels.push(key);
gradeCounts.push(counts[key]);
}
for(percentage in percentages){
gradePercentages.push(percentages[percentage]);
}
createCountChart(labels,gradeCounts,
backgroundColors.slice(0,labels.length),borderColors.slice(0,labels.length));
createPercentageChart(labels, gradePercentages,
backgroundColors.slice(0,labels.length),borderColors.slice(0,labels.length));
console.log("Label count is "+labels.length);
};
ajaxChart.open("GET","http://localhost:8000/api/getStatsForRun/?key=cole&date="+date,true);
ajaxChart.send();
//--CHART CODE--//
//This is all the code to manage the chart
function createCountChart(myLabels,grades, backgrounds,borders){
var ctx = document.getElementById("countChart");
var myChart = new Chart(ctx, {
type: 'bar',
data: {
labels: myLabels,
datasets: [{
label: 'Count of each grade',
data: grades,
backgroundColor: backgrounds,
borderColor: borders,
borderWidth: 1
}]
},
options: {
scales: {
yAxes: [{
ticks: {
beginAtZero:true
}
}]
}
}
});
ctx.style.backgroundColor="rgba(198, 198, 198,.3)";
}
/*
This function will create the percentage chart
*/
function createPercentageChart(labels, percentages, backgrounds, borders){
console.log("Creating % chart");
var ctx = document.getElementById("percentageChart");
var chart = new Chart(ctx,{
type: 'pie',
data:{
labels: labels,
datasets: [{
label: 'Percentage of each grade',
data: percentages,
backgroundColor: backgrounds,
borderColor:borders,
borderWidth: 1
}]
},
});
ctx.style.backgroundColor="rgba(198, 198, 198,.3)";
}