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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> /* set the CSS */ |
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body { font: 12px Arial;} |
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path { |
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stroke: steelblue; |
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stroke-width: 2; |
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fill: none; |
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} |
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text.shadow { |
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stroke: white; |
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stroke-width: 2.5px; |
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opacity: 0.9; |
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} |
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.axis path, |
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.axis line { |
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fill: none; |
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stroke: grey; |
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stroke-width: 1; |
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shape-rendering: crispEdges; |
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} |
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</style> |
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<body> |
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<!-- set inputs for the query --> |
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<div id="new_input"> |
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Stock: <input type="text" name="stock" id="stock" value="YHOO" |
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style="width: 70px;"> |
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Start: <input type="text" name="start" id="start" value="2013-08-10" |
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style="width: 80px;"> |
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End: <input type="text" name="end" id="end" value="2014-03-10" |
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style="width: 80px;"> |
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<input name="updateButton" |
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type="button" |
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value="Update" |
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onclick="updateData()" /> |
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</div> |
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<!-- load the d3.js library --> |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js"></script> |
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<script> |
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// Set the dimensions of the graph |
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var margin = {top: 30, right: 40, bottom: 30, left: 50}, |
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width = 600 - margin.left - margin.right, |
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height = 270 - margin.top - margin.bottom; |
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// Parse the date / time |
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var parseDate = d3.time.format("%Y-%m-%d").parse; |
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// Set the ranges |
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var x = d3.time.scale().range([0, width]); |
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var y = d3.scale.linear().range([height, 0]); |
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var xAxis = d3.svg.axis().scale(x) |
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.orient("bottom").ticks(5); |
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var yAxis = d3.svg.axis().scale(y) |
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.orient("left").ticks(5); |
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var valueline = d3.svg.line() |
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.x(function(d) { return x(d.date); }) |
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.y(function(d) { return y(d.high); }); |
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var svg = d3.select("body") |
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.append("svg") |
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.attr("width", width + margin.left + margin.right) |
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.attr("height", height + margin.top + margin.bottom) |
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.append("g") |
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.attr("transform", "translate(" |
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+ margin.left |
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+ "," + margin.top + ")"); |
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var stock = document.getElementById('stock').value; |
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var start = document.getElementById('start').value; |
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var end = document.getElementById('end').value; |
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var inputURL = "http://query.yahooapis.com/v1/public/yql"+ |
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"?q=select%20*%20from%20yahoo.finance.historicaldata%20"+ |
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"where%20symbol%20%3D%20%22" |
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+stock+"%22%20and%20startDate%20%3D%20%22" |
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+start+"%22%20and%20endDate%20%3D%20%22" |
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+end+"%22&format=json&env=store%3A%2F%2F" |
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+"datatables.org%2Falltableswithkeys"; |
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// Get the data |
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d3.json(inputURL, function(error, data){ |
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data.query.results.quote.forEach(function(d) { |
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d.date = parseDate(d.Date); |
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d.high = +d.High; |
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d.low = +d.Low; |
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}); |
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// Scale the range of the data |
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x.domain(d3.extent(data.query.results.quote, function(d) { |
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return d.date; })); |
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y.domain([ |
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d3.min(data.query.results.quote, function(d) { return d.low; }), |
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d3.max(data.query.results.quote, function(d) { return d.high; }) |
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]); |
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svg.append("path") // Add the valueline path. |
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.attr("class", "line") |
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.attr("d", valueline(data.query.results.quote)); |
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svg.append("g") // Add the X Axis |
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.attr("class", "x axis") |
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.attr("transform", "translate(0," + height + ")") |
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.call(xAxis); |
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svg.append("g") // Add the Y Axis |
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.attr("class", "y axis") |
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.call(yAxis); |
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svg.append("text") // Add the label |
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.attr("class", "label") |
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.attr("transform", "translate(" + (width+3) + "," |
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+ y(data.query.results.quote[0].high) + ")") |
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.attr("dy", ".35em") |
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.attr("text-anchor", "start") |
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.style("fill", "steelblue") |
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.text("high"); |
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svg.append("text") // Add the title shadow |
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.attr("x", (width / 2)) |
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.attr("y", margin.top / 2) |
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.attr("text-anchor", "middle") |
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.attr("class", "shadow") |
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.style("font-size", "16px") |
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.text(stock); |
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svg.append("text") // Add the title |
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.attr("class", "stock") |
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.attr("x", (width / 2)) |
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.attr("y", margin.top / 2) |
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.attr("text-anchor", "middle") |
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.style("font-size", "16px") |
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.text(stock); |
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}); |
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// ** Update data section (Called from the onclick) |
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function updateData() { |
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var stock = document.getElementById('stock').value; |
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var start = document.getElementById('start').value; |
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var end = document.getElementById('end').value; |
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var inputURL = "http://query.yahooapis.com/v1/public/yql"+ |
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"?q=select%20*%20from%20yahoo.finance.historicaldata%20"+ |
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"where%20symbol%20%3D%20%22" |
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+stock+"%22%20and%20startDate%20%3D%20%22" |
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+start+"%22%20and%20endDate%20%3D%20%22" |
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+end+"%22&format=json&env=store%3A%2F%2F" |
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+"datatables.org%2Falltableswithkeys"; |
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// Get the data again |
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d3.json(inputURL, function(error, data){ |
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data.query.results.quote.forEach(function(d) { |
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d.date = parseDate(d.Date); |
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d.high = +d.High; |
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d.low = +d.Low; |
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}); |
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// Scale the range of the data |
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x.domain(d3.extent(data.query.results.quote, function(d) { |
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return d.date; })); |
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y.domain([ |
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d3.min(data.query.results.quote, function(d) { |
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return d.low; }), |
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d3.max(data.query.results.quote, function(d) { |
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return d.high; }) |
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]); |
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// Select the section we want to apply our changes to |
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var svg = d3.select("body").transition(); |
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// Make the changes |
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svg.select(".line") // change the line |
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.duration(750) |
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.attr("d", valueline(data.query.results.quote)); |
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svg.select(".label") // change the label text |
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.duration(750) |
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.attr("transform", "translate(" + (width+3) + "," |
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+ y(data.query.results.quote[0].high) + ")"); |
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svg.select(".shadow") // change the title shadow |
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.duration(750) |
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.text(stock); |
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svg.select(".stock") // change the title |
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.duration(750) |
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.text(stock); |
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svg.select(".x.axis") // change the x axis |
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.duration(750) |
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.call(xAxis); |
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svg.select(".y.axis") // change the y axis |
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.duration(750) |
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.call(yAxis); |
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}); |
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} |
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</script> |
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</body> |
