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103 lines
2.3 KiB
103 lines
2.3 KiB
const WIDTH = 800;
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const HEIGHT = 600;
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let instances;
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const selectedInstances = [];
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let xScale, yScale;
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const parseTime = d3.timeParse("%B %e, %Y");
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const formatTime = d3.timeFormat("%B %e, %Y");
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const renderPoints = () => {
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d3.select('#points').html('');
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const circles = d3.select('#points')
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.selectAll('circle')
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.data(instances, (datum) => {
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return datum.id
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});
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circles.enter().append('circle');
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d3.selectAll('circle')
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.attr('cy', (datum, index) => {
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return yScale(datum.ninety_day_outcomes);
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});
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d3.selectAll('circle')
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.attr('cx', (datum, index) => {
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return xScale(parseTime(datum.graduation_date));
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});
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d3.selectAll('circle')
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.classed('highlighted', (datum, index)=>{
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console.log(datum);
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return datum.highlighted
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})
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}
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const setupGraph = ()=>{
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d3.select('svg');
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d3.select('svg')
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.style('width', WIDTH)
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.style('height', HEIGHT);
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xScale = d3.scaleTime();
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xScale.range([0,WIDTH]);
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const xDomain = d3.extent(instances, (datum, index) => {
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return parseTime(datum.graduation_date);
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});
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xScale.domain(xDomain);
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yScale = d3.scaleLinear();
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yScale.range([HEIGHT, 0]);
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const yDomain = d3.extent(instances, (datum, index) => {
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return datum.ninety_day_outcomes;
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})
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yScale.domain(yDomain);
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}
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const createAxes = () => {
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const bottomAxis = d3.axisBottom(xScale);
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d3.select('#container')
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.append('g')
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.attr('id', 'x-axis')
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.call(bottomAxis)
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.attr('transform', 'translate(0,'+HEIGHT+')');
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const leftAxis = d3.axisLeft(yScale);
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d3.select('#container')
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.append('g')
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.attr('id', 'y-axis')
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.call(leftAxis);
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}
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const createFormSubmissionHandler = () => {
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d3.select('form').on('submit', (event)=>{
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event.preventDefault();
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const instanceID = parseInt(d3.select('input[type="text"]').property('value'))
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selectedInstances.push(instanceID);
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const list = d3.select('ul');
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list.html('');
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for(instance of selectedInstances){
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list.append('li').html(instance)
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}
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for(instance of instances){
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if(instance.instance_id == instanceID){
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instance.highlighted = true
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} else {
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instance.highlighted = false
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}
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}
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renderPoints()
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});
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}
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window.onload = async ()=>{
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instances = await d3.json('/instances');
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instances.forEach(instance => instance.highlighted = false)
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setupGraph();
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createAxes();
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renderPoints();
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createFormSubmissionHandler();
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}
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