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Swimlane Chart using d3.js
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<!-- | |
The MIT License (MIT) | |
Copyright (c) 2013 bill@bunkat.com | |
Permission is hereby granted, free of charge, to any person obtaining a copy | |
of this software and associated documentation files (the "Software"), to deal | |
in the Software without restriction, including without limitation the rights | |
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
copies of the Software, and to permit persons to whom the Software is | |
furnished to do so, subject to the following conditions: | |
The above copyright notice and this permission notice shall be included in | |
all copies or substantial portions of the Software. | |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
THE SOFTWARE. | |
--> | |
<html> | |
<head> | |
<title>Swimlane using d3.js</title> | |
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.v2.js"></script> | |
<script type="text/javascript" src="randomData.js"></script> | |
<style> | |
.chart { | |
shape-rendering: crispEdges; | |
} | |
.mini text { | |
font: 9px sans-serif; | |
} | |
.main text { | |
font: 12px sans-serif; | |
} | |
.month text { | |
text-anchor: start; | |
} | |
.todayLine { | |
stroke: blue; | |
stroke-width: 1.5; | |
} | |
.axis line, .axis path { | |
stroke: black; | |
} | |
.miniItem { | |
stroke-width: 6; | |
} | |
.future { | |
stroke: gray; | |
fill: #ddd; | |
} | |
.past { | |
stroke: green; | |
fill: lightgreen; | |
} | |
.brush .extent { | |
stroke: gray; | |
fill: blue; | |
fill-opacity: .165; | |
} | |
</style> | |
</head> | |
<body> | |
<script type="text/javascript"> | |
var data = randomData() | |
, lanes = data.lanes | |
, items = data.items | |
, now = new Date(); | |
var margin = {top: 20, right: 15, bottom: 15, left: 60} | |
, width = 960 - margin.left - margin.right | |
, height = 500 - margin.top - margin.bottom | |
, miniHeight = lanes.length * 12 + 50 | |
, mainHeight = height - miniHeight - 50; | |
var x = d3.time.scale() | |
.domain([d3.time.sunday(d3.min(items, function(d) { return d.start; })), | |
d3.max(items, function(d) { return d.end; })]) | |
.range([0, width]); | |
var x1 = d3.time.scale().range([0, width]); | |
var ext = d3.extent(lanes, function(d) { return d.id; }); | |
var y1 = d3.scale.linear().domain([ext[0], ext[1] + 1]).range([0, mainHeight]); | |
var y2 = d3.scale.linear().domain([ext[0], ext[1] + 1]).range([0, miniHeight]); | |
var chart = d3.select('body') | |
.append('svg:svg') | |
.attr('width', width + margin.right + margin.left) | |
.attr('height', height + margin.top + margin.bottom) | |
.attr('class', 'chart'); | |
chart.append('defs').append('clipPath') | |
.attr('id', 'clip') | |
.append('rect') | |
.attr('width', width) | |
.attr('height', mainHeight); | |
var main = chart.append('g') | |
.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')') | |
.attr('width', width) | |
.attr('height', mainHeight) | |
.attr('class', 'main'); | |
var mini = chart.append('g') | |
.attr('transform', 'translate(' + margin.left + ',' + (mainHeight + 60) + ')') | |
.attr('width', width) | |
.attr('height', miniHeight) | |
.attr('class', 'mini'); | |
// draw the lanes for the main chart | |
main.append('g').selectAll('.laneLines') | |
.data(lanes) | |
.enter().append('line') | |
.attr('x1', 0) | |
.attr('y1', function(d) { return d3.round(y1(d.id)) + 0.5; }) | |
.attr('x2', width) | |
.attr('y2', function(d) { return d3.round(y1(d.id)) + 0.5; }) | |
.attr('stroke', function(d) { return d.label === '' ? 'white' : 'lightgray' }); | |
main.append('g').selectAll('.laneText') | |
.data(lanes) | |
.enter().append('text') | |
.text(function(d) { return d.label; }) | |
.attr('x', -10) | |
.attr('y', function(d) { return y1(d.id + .5); }) | |
.attr('dy', '0.5ex') | |
.attr('text-anchor', 'end') | |
.attr('class', 'laneText'); | |
// draw the lanes for the mini chart | |
mini.append('g').selectAll('.laneLines') | |
.data(lanes) | |
.enter().append('line') | |
.attr('x1', 0) | |
.attr('y1', function(d) { return d3.round(y2(d.id)) + 0.5; }) | |
.attr('x2', width) | |
.attr('y2', function(d) { return d3.round(y2(d.id)) + 0.5; }) | |
.attr('stroke', function(d) { return d.label === '' ? 'white' : 'lightgray' }); | |
mini.append('g').selectAll('.laneText') | |
.data(lanes) | |
.enter().append('text') | |
.text(function(d) { return d.label; }) | |
.attr('x', -10) | |
.attr('y', function(d) { return y2(d.id + .5); }) | |
.attr('dy', '0.5ex') | |
.attr('text-anchor', 'end') | |
.attr('class', 'laneText'); | |
// draw the x axis | |
var xDateAxis = d3.svg.axis() | |
.scale(x) | |
.orient('bottom') | |
.ticks(d3.time.mondays, (x.domain()[1] - x.domain()[0]) > 15552e6 ? 2 : 1) | |
.tickFormat(d3.time.format('%d')) | |
.tickSize(6, 0, 0); | |
var x1DateAxis = d3.svg.axis() | |
.scale(x1) | |
.orient('bottom') | |
.ticks(d3.time.days, 1) | |
.tickFormat(d3.time.format('%a %d')) | |
.tickSize(6, 0, 0); | |
var xMonthAxis = d3.svg.axis() | |
.scale(x) | |
.orient('top') | |
.ticks(d3.time.months, 1) | |
.tickFormat(d3.time.format('%b %Y')) | |
.tickSize(15, 0, 0); | |
var x1MonthAxis = d3.svg.axis() | |
.scale(x1) | |
.orient('top') | |
.ticks(d3.time.mondays, 1) | |
.tickFormat(d3.time.format('%b - Week %W')) | |
.tickSize(15, 0, 0); | |
main.append('g') | |
.attr('transform', 'translate(0,' + mainHeight + ')') | |
.attr('class', 'main axis date') | |
.call(x1DateAxis); | |
main.append('g') | |
.attr('transform', 'translate(0,0.5)') | |
.attr('class', 'main axis month') | |
.call(x1MonthAxis) | |
.selectAll('text') | |
.attr('dx', 5) | |
.attr('dy', 12); | |
mini.append('g') | |
.attr('transform', 'translate(0,' + miniHeight + ')') | |
.attr('class', 'axis date') | |
.call(xDateAxis); | |
mini.append('g') | |
.attr('transform', 'translate(0,0.5)') | |
.attr('class', 'axis month') | |
.call(xMonthAxis) | |
.selectAll('text') | |
.attr('dx', 5) | |
.attr('dy', 12); | |
// draw a line representing today's date | |
main.append('line') | |
.attr('y1', 0) | |
.attr('y2', mainHeight) | |
.attr('class', 'main todayLine') | |
.attr('clip-path', 'url(#clip)'); | |
mini.append('line') | |
.attr('x1', x(now) + 0.5) | |
.attr('y1', 0) | |
.attr('x2', x(now) + 0.5) | |
.attr('y2', miniHeight) | |
.attr('class', 'todayLine'); | |
// draw the items | |
var itemRects = main.append('g') | |
.attr('clip-path', 'url(#clip)'); | |
mini.append('g').selectAll('miniItems') | |
.data(getPaths(items)) | |
.enter().append('path') | |
.attr('class', function(d) { return 'miniItem ' + d.class; }) | |
.attr('d', function(d) { return d.path; }); | |
// invisible hit area to move around the selection window | |
mini.append('rect') | |
.attr('pointer-events', 'painted') | |
.attr('width', width) | |
.attr('height', miniHeight) | |
.attr('visibility', 'hidden') | |
.on('mouseup', moveBrush); | |
// draw the selection area | |
var brush = d3.svg.brush() | |
.x(x) | |
.extent([d3.time.monday(now),d3.time.saturday.ceil(now)]) | |
.on("brush", display); | |
mini.append('g') | |
.attr('class', 'x brush') | |
.call(brush) | |
.selectAll('rect') | |
.attr('y', 1) | |
.attr('height', miniHeight - 1); | |
mini.selectAll('rect.background').remove(); | |
display(); | |
function display () { | |
var rects, labels | |
, minExtent = d3.time.day(brush.extent()[0]) | |
, maxExtent = d3.time.day(brush.extent()[1]) | |
, visItems = items.filter(function (d) { return d.start < maxExtent && d.end > minExtent}); | |
mini.select('.brush').call(brush.extent([minExtent, maxExtent])); | |
x1.domain([minExtent, maxExtent]); | |
if ((maxExtent - minExtent) > 1468800000) { | |
x1DateAxis.ticks(d3.time.mondays, 1).tickFormat(d3.time.format('%a %d')) | |
x1MonthAxis.ticks(d3.time.mondays, 1).tickFormat(d3.time.format('%b - Week %W')) | |
} | |
else if ((maxExtent - minExtent) > 172800000) { | |
x1DateAxis.ticks(d3.time.days, 1).tickFormat(d3.time.format('%a %d')) | |
x1MonthAxis.ticks(d3.time.mondays, 1).tickFormat(d3.time.format('%b - Week %W')) | |
} | |
else { | |
x1DateAxis.ticks(d3.time.hours, 4).tickFormat(d3.time.format('%I %p')) | |
x1MonthAxis.ticks(d3.time.days, 1).tickFormat(d3.time.format('%b %e')) | |
} | |
//x1Offset.range([0, x1(d3.time.day.ceil(now) - x1(d3.time.day.floor(now)))]); | |
// shift the today line | |
main.select('.main.todayLine') | |
.attr('x1', x1(now) + 0.5) | |
.attr('x2', x1(now) + 0.5); | |
// update the axis | |
main.select('.main.axis.date').call(x1DateAxis); | |
main.select('.main.axis.month').call(x1MonthAxis) | |
.selectAll('text') | |
.attr('dx', 5) | |
.attr('dy', 12); | |
// upate the item rects | |
rects = itemRects.selectAll('rect') | |
.data(visItems, function (d) { return d.id; }) | |
.attr('x', function(d) { return x1(d.start); }) | |
.attr('width', function(d) { return x1(d.end) - x1(d.start); }); | |
rects.enter().append('rect') | |
.attr('x', function(d) { return x1(d.start); }) | |
.attr('y', function(d) { return y1(d.lane) + .1 * y1(1) + 0.5; }) | |
.attr('width', function(d) { return x1(d.end) - x1(d.start); }) | |
.attr('height', function(d) { return .8 * y1(1); }) | |
.attr('class', function(d) { return 'mainItem ' + d.class; }); | |
rects.exit().remove(); | |
// update the item labels | |
labels = itemRects.selectAll('text') | |
.data(visItems, function (d) { return d.id; }) | |
.attr('x', function(d) { return x1(Math.max(d.start, minExtent)) + 2; }); | |
labels.enter().append('text') | |
.text(function (d) { return 'Item\n\n\n\n Id: ' + d.id; }) | |
.attr('x', function(d) { return x1(Math.max(d.start, minExtent)) + 2; }) | |
.attr('y', function(d) { return y1(d.lane) + .4 * y1(1) + 0.5; }) | |
.attr('text-anchor', 'start') | |
.attr('class', 'itemLabel'); | |
labels.exit().remove(); | |
} | |
function moveBrush () { | |
var origin = d3.mouse(this) | |
, point = x.invert(origin[0]) | |
, halfExtent = (brush.extent()[1].getTime() - brush.extent()[0].getTime()) / 2 | |
, start = new Date(point.getTime() - halfExtent) | |
, end = new Date(point.getTime() + halfExtent); | |
brush.extent([start,end]); | |
display(); | |
} | |
// generates a single path for each item class in the mini display | |
// ugly - but draws mini 2x faster than append lines or line generator | |
// is there a better way to do a bunch of lines as a single path with d3? | |
function getPaths(items) { | |
var paths = {}, d, offset = .5 * y2(1) + 0.5, result = []; | |
for (var i = 0; i < items.length; i++) { | |
d = items[i]; | |
if (!paths[d.class]) paths[d.class] = ''; | |
paths[d.class] += ['M',x(d.start),(y2(d.lane) + offset),'H',x(d.end)].join(' '); | |
} | |
for (var className in paths) { | |
result.push({class: className, path: paths[className]}); | |
} | |
return result; | |
} | |
</script> | |
</body> | |
</html> |
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(function() { | |
"use strict"; | |
var RandomData = function() { | |
var addToLane = function (chart, item) { | |
var name = item.lane; | |
if (!chart.lanes[name]) | |
chart.lanes[name] = []; | |
var lane = chart.lanes[name]; | |
var sublane = 0; | |
while(isOverlapping(item, lane[sublane])) | |
sublane++; | |
if (!lane[sublane]) { | |
lane[sublane] = []; | |
} | |
lane[sublane].push(item); | |
}; | |
var isOverlapping = function(item, lane) { | |
if (lane) { | |
for (var i = 0; i < lane.length; i++) { | |
var t = lane[i]; | |
if (item.start < t.end && item.end > t.start) { | |
return true; | |
} | |
} | |
} | |
return false; | |
}; | |
var parseData = function (data) { | |
var i = 0, length = data.length, node; | |
chart = { lanes: {} }; | |
for (i; i < length; i++) { | |
var item = data[i]; | |
addToLane(chart, item); | |
} | |
return collapseLanes(chart); | |
}; | |
var collapseLanes = function (chart) { | |
var lanes = [], items = [], laneId = 0; | |
var now = new Date(); | |
for (var laneName in chart.lanes) { | |
var lane = chart.lanes[laneName]; | |
for (var i = 0; i < lane.length; i++) { | |
var subLane = lane[i]; | |
lanes.push({ | |
id: laneId, | |
label: i === 0 ? laneName : '' | |
}); | |
for (var j = 0; j < subLane.length; j++) { | |
var item = subLane[j]; | |
items.push({ | |
id: item.id, | |
lane: laneId, | |
start: item.start, | |
end: item.end, | |
class: item.end > now ? 'future' : 'past', | |
desc: item.desc | |
}); | |
} | |
laneId++; | |
} | |
} | |
return {lanes: lanes, items: items}; | |
} | |
var randomNumber = function(min, max) { | |
return Math.floor(Math.random(0, 1) * (max - min)) + min; | |
}; | |
var generateRandomWorkItems = function () { | |
var data = []; | |
var laneCount = randomNumber(5,7) | |
, totalWorkItems = randomNumber(20,30) | |
, startMonth = randomNumber(0,1) | |
, startDay = randomNumber(1,28) | |
, totalMonths = randomNumber(4,10); | |
for (var i = 0; i < laneCount; i++) { | |
var dt = new Date(2012, startMonth, startDay); | |
for (var j = 0; j < totalWorkItems; j++) { | |
var dtS = new Date(dt.getFullYear(), dt.getMonth(), dt.getDate() + randomNumber(1,5), randomNumber(8, 16), 0, 0); | |
var dateOffset = randomNumber(0,7); | |
var dt = new Date(dtS.getFullYear(), dtS.getMonth(), dtS.getDate() + dateOffset, randomNumber(dateOffset === 0 ? dtS.getHours() + 2 : 8, 18), 0, 0); | |
var workItem = { | |
id: i * totalWorkItems + j, | |
name: 'work item ' + j, | |
lane: 'lane ' + i, | |
start: dtS, | |
end: dt, | |
desc: 'This is a description.' | |
}; | |
data.push(workItem); | |
} | |
} | |
return data; | |
}; | |
return parseData(generateRandomWorkItems()); | |
}; | |
/** | |
* Allow library to be used within both the browser and node.js | |
*/ | |
var root = typeof exports !== "undefined" && exports !== null ? exports : window; | |
root.randomData = RandomData; | |
}).call(this); |
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