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Line chart with tipsy tooltips
Raw
README.markdown
Raw
d3LineChart.css
.data-line {
stroke: steelblue;
stroke-width: 2;
fill: none;
stroke-dasharray: 0;
}
path {
stroke: #eee;
stroke-width: 2;
stroke-dasharray: 0;
fill: none;
}
.area {
fill: lightsteelblue;
}
text {
font-family: Arial;
font-size: 8pt;
fill: #787878;
}
line {
stroke: #CDCDCD;
stroke-width: 0.5;
/* stroke-dasharray: 3 3; */
fill: none;
}
.data-point {
stroke: steelblue;
stroke-width: 2;
fill: #FFF;
}
#chart {
margin: 0;
}
Raw
d3LineChart.js
/**
* User: nross
*/
var w = 900,
h = 450;
var monthNames = [ "January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December" ];
var maxDataPointsForDots = 50,
transitionDuration = 1000;
var svg = null,
yAxisGroup = null,
xAxisGroup = null,
dataCirclesGroup = null,
dataLinesGroup = null;
function draw() {
var data = generateData();
var margin = 40;
var max = d3.max(data, function(d) { return d.value });
var min = 0;
var pointRadius = 4;
var x = d3.time.scale().range([0, w - margin * 2]).domain([data[0].date, data[data.length - 1].date]);
var y = d3.scale.linear().range([h - margin * 2, 0]).domain([min, max]);
var xAxis = d3.svg.axis().scale(x).tickSize(h - margin * 2).tickPadding(10).ticks(7);
var yAxis = d3.svg.axis().scale(y).orient('left').tickSize(-w + margin * 2).tickPadding(10);
var t = null;
svg = d3.select('#chart').select('svg').select('g');
if (svg.empty()) {
svg = d3.select('#chart')
.append('svg:svg')
.attr('width', w)
.attr('height', h)
.attr('class', 'viz')
.append('svg:g')
.attr('transform', 'translate(' + margin + ',' + margin + ')');
}
t = svg.transition().duration(transitionDuration);
// y ticks and labels
if (!yAxisGroup) {
yAxisGroup = svg.append('svg:g')
.attr('class', 'yTick')
.call(yAxis);
}
else {
t.select('.yTick').call(yAxis);
}
// x ticks and labels
if (!xAxisGroup) {
xAxisGroup = svg.append('svg:g')
.attr('class', 'xTick')
.call(xAxis);
}
else {
t.select('.xTick').call(xAxis);
}
// Draw the lines
if (!dataLinesGroup) {
dataLinesGroup = svg.append('svg:g');
}
var dataLines = dataLinesGroup.selectAll('.data-line')
.data([data]);
var line = d3.svg.line()
// assign the X function to plot our line as we wish
.x(function(d,i) {
// verbose logging to show what's actually being done
//console.log('Plotting X value for date: ' + d.date + ' using index: ' + i + ' to be at: ' + x(d.date) + ' using our xScale.');
// return the X coordinate where we want to plot this datapoint
//return x(i);
return x(d.date);
})
.y(function(d) {
// verbose logging to show what's actually being done
//console.log('Plotting Y value for data value: ' + d.value + ' to be at: ' + y(d.value) + " using our yScale.");
// return the Y coordinate where we want to plot this datapoint
//return y(d);
return y(d.value);
})
.interpolate("linear");
/*
.attr("d", d3.svg.line()
.x(function(d) { return x(d.date); })
.y(function(d) { return y(0); }))
.transition()
.delay(transitionDuration / 2)
.duration(transitionDuration)
.style('opacity', 1)
.attr("transform", function(d) { return "translate(" + x(d.date) + "," + y(d.value) + ")"; });
*/
var garea = d3.svg.area()
.interpolate("linear")
.x(function(d) {
// verbose logging to show what's actually being done
return x(d.date);
})
.y0(h - margin * 2)
.y1(function(d) {
// verbose logging to show what's actually being done
return y(d.value);
});
dataLines
.enter()
.append('svg:path')
.attr("class", "area")
.attr("d", garea(data));
dataLines.enter().append('path')
.attr('class', 'data-line')
.style('opacity', 0.3)
.attr("d", line(data));
/*
.transition()
.delay(transitionDuration / 2)
.duration(transitionDuration)
.style('opacity', 1)
.attr('x1', function(d, i) { return (i > 0) ? xScale(data[i - 1].date) : xScale(d.date); })
.attr('y1', function(d, i) { return (i > 0) ? yScale(data[i - 1].value) : yScale(d.value); })
.attr('x2', function(d) { return xScale(d.date); })
.attr('y2', function(d) { return yScale(d.value); });
*/
dataLines.transition()
.attr("d", line)
.duration(transitionDuration)
.style('opacity', 1)
.attr("transform", function(d) { return "translate(" + x(d.date) + "," + y(d.value) + ")"; });
dataLines.exit()
.transition()
.attr("d", line)
.duration(transitionDuration)
.attr("transform", function(d) { return "translate(" + x(d.date) + "," + y(0) + ")"; })
.style('opacity', 1e-6)
.remove();
d3.selectAll(".area").transition()
.duration(transitionDuration)
.attr("d", garea(data));
// Draw the points
if (!dataCirclesGroup) {
dataCirclesGroup = svg.append('svg:g');
}
var circles = dataCirclesGroup.selectAll('.data-point')
.data(data);
circles
.enter()
.append('svg:circle')
.attr('class', 'data-point')
.style('opacity', 1e-6)
.attr('cx', function(d) { return x(d.date) })
.attr('cy', function() { return y(0) })
.attr('r', function() { return (data.length <= maxDataPointsForDots) ? pointRadius : 0 })
.transition()
.duration(transitionDuration)
.style('opacity', 1)
.attr('cx', function(d) { return x(d.date) })
.attr('cy', function(d) { return y(d.value) });
circles
.transition()
.duration(transitionDuration)
.attr('cx', function(d) { return x(d.date) })
.attr('cy', function(d) { return y(d.value) })
.attr('r', function() { return (data.length <= maxDataPointsForDots) ? pointRadius : 0 })
.style('opacity', 1);
circles
.exit()
.transition()
.duration(transitionDuration)
// Leave the cx transition off. Allowing the points to fall where they lie is best.
//.attr('cx', function(d, i) { return xScale(i) })
.attr('cy', function() { return y(0) })
.style("opacity", 1e-6)
.remove();
$('svg circle').tipsy({
gravity: 'w',
html: true,
title: function() {
var d = this.__data__;
var pDate = d.date;
return 'Date: ' + pDate.getDate() + " " + monthNames[pDate.getMonth()] + " " + pDate.getFullYear() + '<br>Value: ' + d.value;
}
});
}
function generateData() {
var data = [];
var i = Math.max(Math.round(Math.random()*100), 3);
while (i--) {
var date = new Date();
date.setDate(date.getDate() - i);
date.setHours(0, 0, 0, 0);
data.push({'value' : Math.round(Math.random()*1200), 'date' : date});
}
return data;
}
d3.select('#button').on('click', draw);
draw();
Raw
index.html
<!DOCTYPE html>
<!-- Based on url http://natescodevault.com/js/line/ -->
<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>D3 Line Chart</title>
<link rel="stylesheet" type="text/css" href="d3LineChart.css">
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js" type="text/javascript"></script>
<script src="http://d3js.org/d3.v3.min.js" type="text/javascript"></script>
<script type="text/javascript" src="jquery.tipsy.js"></script>
<link href="tipsy.css" rel="stylesheet" type="text/css" />
</head>
<body>
<button id="button">Redraw</button>
<div id="chart"></div>
<script src="d3LineChart.js" type="text/javascript"></script>
</body></html>
Raw
jquery.tipsy.js
// tipsy, facebook style tooltips for jquery
// version 1.0.0a
// (c) 2008-2010 jason frame [[email protected]]
// released under the MIT license
(function($) {
function maybeCall(thing, ctx) {
return (typeof thing == 'function') ? (thing.call(ctx)) : thing;
}
function Tipsy(element, options) {
this.$element = $(element);
this.options = options;
this.enabled = true;
this.fixTitle();
}
Tipsy.prototype = {
show: function() {
var title = this.getTitle();
if (title && this.enabled) {
var $tip = this.tip();
$tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title);
$tip[0].className = 'tipsy'; // reset classname in case of dynamic gravity
$tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).prependTo(document.body);
var pos = $.extend({}, this.$element.offset(), {
width: this.$element[0].offsetWidth || 0,
height: this.$element[0].offsetHeight || 0
});
if (typeof this.$element[0].nearestViewportElement == 'object') {
// SVG
var el = this.$element[0];
var rect = el.getBoundingClientRect();
pos.width = rect.width;
pos.height = rect.height;
}
var actualWidth = $tip[0].offsetWidth,
actualHeight = $tip[0].offsetHeight,
gravity = maybeCall(this.options.gravity, this.$element[0]);
var tp;
switch (gravity.charAt(0)) {
case 'n':
tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
break;
case 's':
tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
break;
case 'e':
tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset};
break;
case 'w':
tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset};
break;
}
if (gravity.length == 2) {
if (gravity.charAt(1) == 'w') {
tp.left = pos.left + pos.width / 2 - 15;
} else {
tp.left = pos.left + pos.width / 2 - actualWidth + 15;
}
}
$tip.css(tp).addClass('tipsy-' + gravity);
$tip.find('.tipsy-arrow')[0].className = 'tipsy-arrow tipsy-arrow-' + gravity.charAt(0);
if (this.options.className) {
$tip.addClass(maybeCall(this.options.className, this.$element[0]));
}
if (this.options.fade) {
$tip.stop().css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: this.options.opacity});
} else {
$tip.css({visibility: 'visible', opacity: this.options.opacity});
}
var t = this;
var set_hovered = function(set_hover){
return function(){
t.$tip.stop();
t.tipHovered = set_hover;
if (!set_hover){
if (t.options.delayOut === 0) {
t.hide();
} else {
setTimeout(function() {
if (t.hoverState == 'out') t.hide(); }, t.options.delayOut);
}
}
};
};
$tip.hover(set_hovered(true), set_hovered(false));
}
},
hide: function() {
if (this.options.fade) {
this.tip().stop().fadeOut(function() { $(this).remove(); });
} else {
this.tip().remove();
}
},
fixTitle: function() {
var $e = this.$element;
if ($e.attr('title') || typeof($e.attr('original-title')) != 'string') {
$e.attr('original-title', $e.attr('title') || '').removeAttr('title');
}
if (typeof $e.context.nearestViewportElement == 'object'){
if ($e.children('title').length){
$e.append('<original-title>' + ($e.children('title').text() || '') + '</original-title>')
.children('title').remove();
}
}
},
getTitle: function() {
var title, $e = this.$element, o = this.options;
this.fixTitle();
if (typeof o.title == 'string') {
var title_name = o.title == 'title' ? 'original-title' : o.title;
if ($e.children(title_name).length){
title = $e.children(title_name).html();
} else{
title = $e.attr(title_name);
}
} else if (typeof o.title == 'function') {
title = o.title.call($e[0]);
}
title = ('' + title).replace(/(^\s*|\s*$)/, "");
return title || o.fallback;
},
tip: function() {
if (!this.$tip) {
this.$tip = $('<div class="tipsy"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"></div>');
}
return this.$tip;
},
validate: function() {
if (!this.$element[0].parentNode) {
this.hide();
this.$element = null;
this.options = null;
}
},
enable: function() { this.enabled = true; },
disable: function() { this.enabled = false; },
toggleEnabled: function() { this.enabled = !this.enabled; }
};
$.fn.tipsy = function(options) {
if (options === true) {
return this.data('tipsy');
} else if (typeof options == 'string') {
var tipsy = this.data('tipsy');
if (tipsy) tipsy[options]();
return this;
}
options = $.extend({}, $.fn.tipsy.defaults, options);
if (options.hoverlock && options.delayOut === 0) {
options.delayOut = 100;
}
function get(ele) {
var tipsy = $.data(ele, 'tipsy');
if (!tipsy) {
tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options));
$.data(ele, 'tipsy', tipsy);
}
return tipsy;
}
function enter() {
var tipsy = get(this);
tipsy.hoverState = 'in';
if (options.delayIn === 0) {
tipsy.show();
} else {
tipsy.fixTitle();
setTimeout(function() { if (tipsy.hoverState == 'in') tipsy.show(); }, options.delayIn);
}
}
function leave() {
var tipsy = get(this);
tipsy.hoverState = 'out';
if (options.delayOut === 0) {
tipsy.hide();
} else {
var to = function() {
if (!tipsy.tipHovered || !options.hoverlock){
if (tipsy.hoverState == 'out') tipsy.hide();
}
};
setTimeout(to, options.delayOut);
}
}
if (options.trigger != 'manual') {
var binder = options.live ? 'live' : 'bind',
eventIn = options.trigger == 'hover' ? 'mouseenter' : 'focus',
eventOut = options.trigger == 'hover' ? 'mouseleave' : 'blur';
this[binder](eventIn, enter)[binder](eventOut, leave);
}
return this;
};
$.fn.tipsy.defaults = {
className: null,
delayIn: 0,
delayOut: 0,
fade: false,
fallback: '',
gravity: 'n',
html: false,
live: false,
offset: 0,
opacity: 0.8,
title: 'title',
trigger: 'hover',
hoverlock: false
};
// Overwrite this method to provide options on a per-element basis.
// For example, you could store the gravity in a 'tipsy-gravity' attribute:
// return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' });
// (remember - do not modify 'options' in place!)
$.fn.tipsy.elementOptions = function(ele, options) {
return $.metadata ? $.extend({}, options, $(ele).metadata()) : options;
};
$.fn.tipsy.autoNS = function() {
return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n';
};
$.fn.tipsy.autoWE = function() {
return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w';
};
/**
* yields a closure of the supplied parameters, producing a function that takes
* no arguments and is suitable for use as an autogravity function like so:
*
* @param margin (int) - distance from the viewable region edge that an
* element should be before setting its tooltip's gravity to be away
* from that edge.
* @param prefer (string, e.g. 'n', 'sw', 'w') - the direction to prefer
* if there are no viewable region edges effecting the tooltip's
* gravity. It will try to vary from this minimally, for example,
* if 'sw' is preferred and an element is near the right viewable
* region edge, but not the top edge, it will set the gravity for
* that element's tooltip to be 'se', preserving the southern
* component.
*/
$.fn.tipsy.autoBounds = function(margin, prefer) {
return function() {
var dir = {ns: prefer[0], ew: (prefer.length > 1 ? prefer[1] : false)},
boundTop = $(document).scrollTop() + margin,
boundLeft = $(document).scrollLeft() + margin,
$this = $(this);
if ($this.offset().top < boundTop) dir.ns = 'n';
if ($this.offset().left < boundLeft) dir.ew = 'w';
if ($(window).width() + $(document).scrollLeft() - $this.offset().left < margin) dir.ew = 'e';
if ($(window).height() + $(document).scrollTop() - $this.offset().top < margin) dir.ns = 's';
return dir.ns + (dir.ew ? dir.ew : '');
};
};
})(jQuery);
Raw
tipsy.css
.tipsy { font-size: 10px; position: absolute; padding: 5px; z-index: 100000; }
.tipsy-inner { background-color: #bfbfbf; color: #000; font-family: Verdana,Arial; max-width: 200px; padding: 5px 8px 4px 8px; text-align: center; }
/* Rounded corners */
.tipsy-inner { border-radius: 3px; -moz-border-radius: 3px; -webkit-border-radius: 3px; }
/* Uncomment for shadow */
/*.tipsy-inner { box-shadow: 0 0 5px #000000; -webkit-box-shadow: 0 0 5px #000000; -moz-box-shadow: 0 0 5px #000000; }*/
.tipsy-arrow { position: absolute; width: 0; height: 0; line-height: 0; border: 5px dashed #000; }
/* Rules to colour arrows */
.tipsy-arrow-n { border-bottom-color: #bfbfbf; }
.tipsy-arrow-s { border-top-color: #bfbfbf; }
.tipsy-arrow-e { border-left-color: #bfbfbf; }
.tipsy-arrow-w { border-right-color: #bfbfbf; }
.tipsy-n .tipsy-arrow { top: 0px; left: 50%; margin-left: -5px; border-bottom-style: solid; border-top: none; border-left-color: transparent; border-right-color: transparent; }
.tipsy-nw .tipsy-arrow { top: 0; left: 10px; border-bottom-style: solid; border-top: none; border-left-color: transparent; border-right-color: transparent;}
.tipsy-ne .tipsy-arrow { top: 0; right: 10px; border-bottom-style: solid; border-top: none; border-left-color: transparent; border-right-color: transparent;}
.tipsy-s .tipsy-arrow { bottom: 0; left: 50%; margin-left: -5px; border-top-style: solid; border-bottom: none; border-left-color: transparent; border-right-color: transparent; }
.tipsy-sw .tipsy-arrow { bottom: 0; left: 10px; border-top-style: solid; border-bottom: none; border-left-color: transparent; border-right-color: transparent; }
.tipsy-se .tipsy-arrow { bottom: 0; right: 10px; border-top-style: solid; border-bottom: none; border-left-color: transparent; border-right-color: transparent; }
.tipsy-e .tipsy-arrow { right: 0; top: 50%; margin-top: -5px; border-left-style: solid; border-right: none; border-top-color: transparent; border-bottom-color: transparent; }
.tipsy-w .tipsy-arrow { left: 0; top: 50%; margin-top: -5px; border-right-style: solid; border-left: none; border-top-color: transparent; border-bottom-color: transparent; }
@andreifinski
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nice!

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