view graph.html @ 5:367237472c20

Shipping a demo.db that has some entries for direct testing.
author Bernhard Reiter <bernhard@intevation.de>
date Tue, 01 Dec 2015 09:01:16 +0100
parents 2df45f6ecd81
children f198a92dd37f
line wrap: on
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<!DOCTYPE html>
<html>
	<head>
		<title> Issues </title>
		<style type = text/css>

			* {
				font-family: "Sans-serif";
				font-size: 14px;
			}

			.svg div{
					font: 10px;
					text-align: right;
					float: left;
					display: block;
					padding: 10px;
					margin: 10px;
					color: white;
			}

			.axis path,

			.axis line {
					fill: none;
					stroke: black;
					stroke-width: 1px;
			}

			.line {
					fill: none;
					stroke-width: 3px;
					opacity: 1;
			}

			.line.critical {
					stroke: red;
			}

			.line.critical.legend {
					fill: red;
			}

			.line.urgent {
					stroke: orange;
			}

			.line.urgent.legend {
					fill: orange;
			}

			.line.bug {
					stroke: violet;
			}

			.line.bug.legend {
					fill: violet;
			}

			.line.feature {
					stroke: chartreuse;
					style: stroke-dasharray;
			}

			.line.feature.legend {
					fill: chartreuse;
			}

			.line.wish {
					stroke: blue;
			}

			.line.wish.legend {
					fill: blue;
			}

			.grid .tick {
					stroke: lightgrey;
					opacity: 0.7;
			}

			.grid path {
					stroke-width: 0;
			}

		</style>
	</head>
	<body>
		<div id="content" style="display: inline-block"></div>
		<script type="text/javascript" src="d3.v3.min.js"></script>
		<script type="text/javascript">

			window.onresize = function(){
				document.getElementById("content").innerHTML = "";
				makeChart();
			};

			var critical=[];
			var urgent=[];
			var bug=[];
			var feature=[];
			var wish=[];
			var timestamp=[];



			function assignIssueToDate(issueArray, dateArray){
				a = [];
				for (var i = 0; i < issueArray.length; i++) {
					a.push({points: issueArray[i].points, date : dateArray[i].date});
				}

				return a;
			}

			function limitDatesOnXAxis(limit){
				if ( timestamp.length < limit ){
					return timestamp.length;
				} else {
					return limit;
				}
			}

			function maxInObject( array ){
				var maxVal = 0;
				for (var i = 0; i < array.length; i++) {
					if (maxVal < array[i].points){
						maxVal = array[i].points;
					}
				}
				return maxVal;
			}


			function getMaxIssues(){
				maxIssuesOfAllArrays = [];
				maxIssuesOfAllArrays.push(maxInObject(critical));
				maxIssuesOfAllArrays.push(maxInObject(urgent));
				maxIssuesOfAllArrays.push(maxInObject(bug));
				maxIssuesOfAllArrays.push(maxInObject(feature));
				maxIssuesOfAllArrays.push(maxInObject(wish));

				return Math.max.apply(Math, maxIssuesOfAllArrays)+1;
			}


			function dayDifference(first, second) {
				"use strict";
				var difference = (second - first) / (1000 * 60 * 60 * 24);

				// just to avoid the get thousands of lines... would look ugly.
				if (difference > 60){
					difference = 60;
				}

				return difference;
			}


			// function for the grid lines
			function makeGrid(direction, orientation, ticknumber) {
				return d3.svg.axis()
					.scale(direction)
					.orient(orientation)
					.ticks( ticknumber );
			}


			//append a svg_path. pretty generic
			function draw_line(svg, data_array, css_class, line_object, lineShape){
				svg.append("path")
					.datum(assignIssueToDate(data_array, timestamp))
					.attr("class", css_class)
					.style("stroke-dasharray", (lineShape))
					.attr("d", line_object);
			}


			function makeLegend(svg, width){

				var legend_distance = width+40;
				var top_distance = 20;
				var distance_steps = 50;


				function set_propper_distance(steps){
					top_distance += steps;
					return top_distance;
				}

				function draw_legend_line(svg, width, Ypos, text, issues){
					svg.append("svg:text")
						.attr("class", "legend")
						.attr("x", width-30	)
						.attr("y", Ypos)
						.text(text + ":");

					svg.append("svg:text")
						.attr("class", "legend")
						.attr("x", width+35	)
						.attr("y", Ypos)
						.text(issues);

					svg.append("rect")
						.attr("class", "line " + text.toLowerCase() + " legend")
						.attr("x", width-30)
						.attr("y", Ypos-20)
						.attr("width", 100)
						.attr("height", 2);
				}

				draw_legend_line(svg, legend_distance, set_propper_distance(distance_steps), "Critical", critical[critical.length-1].points);
				draw_legend_line(svg, legend_distance, set_propper_distance(distance_steps), "Urgent", urgent[urgent.length-1].points);
				draw_legend_line(svg, legend_distance, set_propper_distance(distance_steps), "Bug", bug[bug.length-1].points);
				draw_legend_line(svg, legend_distance, set_propper_distance(distance_steps), "Feature", feature[feature.length-1].points);
				draw_legend_line(svg, legend_distance, set_propper_distance(distance_steps), "Wish", wish[wish.length-1].points);
			}



			//draw the chart
			function makeChart(){

				//declaration
				var sizeOfSystemBorders = 50;
				var margin = {top: 20, right: 100, bottom: 90, left: 60},
					width = (document.documentElement.clientWidth-sizeOfSystemBorders) - margin.left - margin.right,
					height = (document.documentElement.clientHeight-sizeOfSystemBorders) - margin.top - margin.bottom;

				var x = d3.time.scale()
					.range([0, width]);

				var y = d3.scale.linear()
					.range([height, 0]);

				var base_line = d3.svg.line()
					.x(function(d) { return x(d.date); })
					.y(function(d) { return y(d.points); });

				//lines
				var criticalLine = base_line;
				var urgentLine = base_line;
				var bugLine = base_line;
				var featureLine = base_line;
				var wishLine = base_line;
				var timestampLine = base_line;


				//set domain of y axis
				var yDomain = [	];
				yDomain[0] = 0;
				yDomain[1] = getMaxIssues();
				y.domain(d3.extent(yDomain, function(d){return d; }));

				//set domain of y axis
				x.domain(d3.extent(timestamp, function(d){return d.date; }));


				var xAxis = d3.svg.axis()
					.scale(x)
					.orient("bottom")
					.ticks(limitDatesOnXAxis(10))
					.tickFormat(d3.time.format("%d.%m:%H:%M"));
					// .tickFormat(d3.time.format("%X"));
					// .tickFormat(d3.time.format.iso);


				var yAxis = d3.svg.axis()
					.scale(y)
					.orient("left");


				var svg = d3.select("#content")
					.append("svg")
					.attr("class", "svg")
					.attr("width", width + margin.left + margin.right)
					.attr("height", height + margin.top + margin.bottom)
					.append("g")
					.attr("transform", "translate(" + margin.left + "," + margin.top + ")");


				// creation


				// Draw the x Grid lines
				svg.append("g")
					.attr("class", "grid")
					.attr("transform", "translate(0," + height + ")")
					.call(makeGrid(x, "bottom", timestamp.length)
						.tickSize(-height, 0, 0)
						.tickFormat("")
					);


				// Draw the y Grid lines
				svg.append("g")
					.attr("class", "grid")
					.call(makeGrid(y, "left", function(){return Math.min(getMaxIssues(), 50);}())
						.tickSize(-width, 0, 0)
						.tickFormat("")
					);


				// Draw the x-axis
				svg.append("g")
					.attr("class", "x axis")
					.attr("transform", "translate(0," + height + ")")
					.call(xAxis)
					.selectAll("text")
					.style("text-anchor", "end")
					.attr("dx", "-.5em")
					.attr("dy", ".1em")
					.attr("transform", function() {
						return "rotate(-65)";
					});


				// Draw the y-axis
				svg.append("g")
					.attr("class", "y axis")
					.call(yAxis)
					.append("text")
					.attr("transform", "rotate(-90)")
					.attr("y", 6)
					.attr("dy", ".71em")
					.style("text-anchor", "end");


				// Text for y-axis
				svg.append("text")
					.attr("transform", "rotate(-90)")
					.attr("y", 10 - margin.left)
					.attr("x", 0 - (height / 2))
					.attr("dy", "1em")
					.style("text-anchor", "middle")
					.text("Issues");


				//Titel und Legende

				svg.append("svg:text")
					.attr("class", "text")
					.attr("x", 10)
					.attr("y", -5)
					.text("Issues Nach Zeit");


				draw_line(svg, wish, "line wish", wishLine, "0, 0");
				draw_line(svg, feature, "line feature", featureLine, "3, 3");
				draw_line(svg, bug, "line bug", bugLine, "7, 7");
				draw_line(svg, urgent, "line urgent", urgentLine, "13, 13");
				draw_line(svg, critical, "line critical", criticalLine, "17, 17");


				makeLegend(svg, width);


			}

			makeChart();


		</script>
	</body>
</html>
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