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Spike should use new chartjs box plot module

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This commit is contained in:
Tom Gallacher 2017-01-04 16:45:31 +00:00
parent 94ae410220
commit 0614839905
5 changed files with 25 additions and 498 deletions
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2
spikes/graphs-matrix/chartjs-whiskers/client/chart/base.js
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@ -1,7 +1,7 @@
const buildArray = require('build-array');
const Chart = require('chart.js');
const React = require('react');
const whisker = require('../whisker');
const whisker = require('chartjs-chart-box-plot');
whisker(Chart);
module.exports = React.createClass({

221
spikes/graphs-matrix/chartjs-whiskers/client/element.whisker.js
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@ -1,221 +0,0 @@
'use strict';
module.exports = function(Chart) {
var globalOpts = Chart.defaults.global;
globalOpts.elements.rectangle = {
backgroundColor: globalOpts.defaultColor,
borderWidth: 0,
borderColor: globalOpts.defaultColor,
borderSkipped: 'bottom'
};
function isVertical(bar) {
return bar._view.width !== undefined;
}
/**
* Helper function to get the bounds of the bar regardless of the orientation
* @private
* @param bar {Chart.Element.Rectangle} the bar
* @return {Bounds} bounds of the bar
*/
function getBarBounds(bar) {
var vm = bar._view;
var x1, x2, y1, y2;
if (isVertical(bar)) {
// vertical
var halfWidth = vm.width / 2;
x1 = vm.x - halfWidth;
x2 = vm.x + halfWidth;
y1 = Math.min(vm.y, vm.base);
y2 = Math.max(vm.y, vm.base);
} else {
// horizontal bar
var halfHeight = vm.height / 2;
x1 = Math.min(vm.x, vm.base);
x2 = Math.max(vm.x, vm.base);
y1 = vm.y - halfHeight;
y2 = vm.y + halfHeight;
}
return {
left: x1,
top: y1,
right: x2,
bottom: y2
};
}
Chart.elements.Whisker = Chart.Element.extend({
draw: function() {
var ctx = this._chart.ctx;
var vm = this._view;
var halfWidth = vm.width / 2,
leftX = vm.x - halfWidth,
rightX = vm.x + halfWidth,
top = vm.base - (vm.base - vm.y),
halfStroke = vm.borderWidth / 2;
// Canvas doesn't allow us to stroke inside the width so we can
// adjust the sizes to fit if we're setting a stroke on the line
if (vm.borderWidth) {
leftX += halfStroke;
rightX -= halfStroke;
top += halfStroke;
}
ctx.beginPath();
ctx.fillStyle = vm.backgroundColor;
ctx.strokeStyle = vm.borderColor;
ctx.lineWidth = vm.borderWidth;
// Corner points, from bottom-left to bottom-right clockwise
// | 1 2 |
// | 0 3 |
var corners = [
[leftX, vm.base],
[leftX, top],
[rightX, top],
[rightX, vm.base]
];
// Find first (starting) corner with fallback to 'bottom'
var borders = ['bottom', 'left', 'top', 'right'];
var startCorner = borders.indexOf(vm.borderSkipped, 0);
if (startCorner === -1) {
startCorner = 0;
}
function cornerAt(index) {
return corners[(startCorner + index) % 4];
}
// Draw rectangle from 'startCorner'
var corner = cornerAt(0);
ctx.moveTo(corner[0], corner[1]);
for (var i = 1; i < 4; i++) {
corner = cornerAt(i);
ctx.lineTo(corner[0], corner[1]);
}
ctx.fill();
if (vm.borderWidth) {
ctx.stroke();
}
ctx.closePath();
// Median line
ctx.beginPath();
ctx.moveTo(leftX, vm.median);
ctx.lineTo(rightX, vm.median);
ctx.lineWidth = 2;
// set line color
ctx.strokeStyle = 'rgb(54, 74, 205)';
ctx.stroke();
ctx.closePath();
// Top Whisker
// if (smaller than 5px then do not draw)
if (vm.median - vm.maxV > 10) {
ctx.beginPath();
ctx.moveTo((rightX - leftX) / 2 + leftX, vm.median - 1);
ctx.lineTo((rightX - leftX) / 2 + leftX, vm.maxV);
ctx.lineWidth = 2;
ctx.strokeStyle = 'rgb(245, 93, 93)';
ctx.stroke();
ctx.closePath();
ctx.beginPath();
ctx.arc((rightX - leftX) / 2 + leftX, vm.maxV, 3, 0, 2 * Math.PI);
ctx.fillStyle = 'rgb(245, 93, 93)';
ctx.fill();
}
// Bottom Whisker
// if (smaller than 5px then do not draw)
if (vm.minV - vm.median > 10) {
ctx.beginPath();
ctx.moveTo((rightX - leftX) / 2 + leftX, vm.median + 1);
ctx.lineTo((rightX - leftX) / 2 + leftX, vm.minV);
ctx.lineWidth = 2;
ctx.strokeStyle = 'rgb(245, 93, 93)';
ctx.stroke();
ctx.closePath();
ctx.beginPath();
ctx.arc((rightX - leftX) / 2 + leftX, vm.minV, 3, 0, 2 * Math.PI);
ctx.fillStyle = 'rgb(245, 93, 93)';
ctx.fill();
}
},
height: function() {
var vm = this._view;
return vm.base - vm.y;
},
inRange: function(mouseX, mouseY) {
var inRange = false;
if (this._view) {
var bounds = getBarBounds(this);
inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom;
}
return inRange;
},
inLabelRange: function(mouseX, mouseY) {
var me = this;
if (!me._view) {
return false;
}
var inRange = false;
var bounds = getBarBounds(me);
if (isVertical(me)) {
inRange = mouseX >= bounds.left && mouseX <= bounds.right;
} else {
inRange = mouseY >= bounds.top && mouseY <= bounds.bottom;
}
return inRange;
},
inXRange: function(mouseX) {
var bounds = getBarBounds(this);
return mouseX >= bounds.left && mouseX <= bounds.right;
},
inYRange: function(mouseY) {
var bounds = getBarBounds(this);
return mouseY >= bounds.top && mouseY <= bounds.bottom;
},
getCenterPoint: function() {
var vm = this._view;
var x, y;
if (isVertical(this)) {
x = vm.x;
y = (vm.y + vm.base) / 2;
} else {
x = (vm.x + vm.base) / 2;
y = vm.y;
}
return {x: x, y: y};
},
getArea: function() {
var vm = this._view;
return vm.width * Math.abs(vm.y - vm.base);
},
tooltipPosition: function() {
var vm = this._view;
return {
x: vm.x,
y: vm.y
};
}
});
};

276
spikes/graphs-matrix/chartjs-whiskers/client/whisker.js
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@ -1,276 +0,0 @@
const whiskerElement = require('./element.whisker');
module.exports = function(Chart) {
whiskerElement(Chart);
var helpers = Chart.helpers;
Chart.defaults.whisker = {
hover: {
mode: 'label'
},
scales: {
xAxes: [{
type: 'category',
// Specific to Bar Controller
categoryPercentage: 0.8,
barPercentage: 0.9,
// grid line settings
gridLines: {
offsetGridLines: true
}
}],
yAxes: [{
type: 'linear'
}]
}
};
Chart.controllers.whisker = Chart.DatasetController.extend({
dataElementType: Chart.elements.Whisker,
initialize: function(chart, datasetIndex) {
Chart.DatasetController.prototype.initialize.call(this, chart, datasetIndex);
// Use this to indicate that this is a bar dataset.
this.getMeta().bar = true;
},
// Get the number of datasets that display bars. We use this to correctly calculate the bar width
getBarCount: function() {
var me = this;
var barCount = 0;
helpers.each(me.chart.data.datasets, function(dataset, datasetIndex) {
var meta = me.chart.getDatasetMeta(datasetIndex);
if (meta.bar && me.chart.isDatasetVisible(datasetIndex)) {
++barCount;
}
}, me);
return barCount;
},
update: function(reset) {
var me = this;
helpers.each(me.getMeta().data, function(rectangle, index) {
me.updateElement(rectangle, index, reset);
}, me);
},
updateElement: function(rectangle, index, reset) {
var me = this;
var meta = me.getMeta();
var xScale = me.getScaleForId(meta.xAxisID);
var yScale = me.getScaleForId(meta.yAxisID);
var scaleBase = yScale.getBasePixel();
var rectangleElementOptions = me.chart.options.elements.rectangle;
var custom = rectangle.custom || {};
var dataset = me.getDataset();
rectangle._xScale = xScale;
rectangle._yScale = yScale;
rectangle._datasetIndex = me.index;
rectangle._index = index;
var ruler = me.getRuler(index);
rectangle._model = {
x: me.calculateBarX(index, me.index, ruler),
y: reset ? scaleBase : me.boxTopValue(index, me.index),
// Tooltip
label: me.chart.data.labels[index],
datasetLabel: dataset.label,
// Appearance
median: reset ? scaleBase : me.medianValue(me.index, index),
maxV: reset ? scaleBase : me.maxValue(me.index, index),
minV: reset ? scaleBase : me.minValue(me.index, index),
base: reset ? scaleBase : me.boxBottomValue(me.index, index),
width: me.calculateBarWidth(ruler),
backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(me.stddev(me.index, index) > 3 ? dataset.altBackgroundColor : dataset.backgroundColor, index, rectangleElementOptions.backgroundColor),
borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleElementOptions.borderSkipped,
borderColor: custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor),
borderWidth: custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth)
};
rectangle.pivot();
},
stddev: function(datasetIndex, index) {
var me = this;
var obj = me.getDataset().data[index];
var value = Number(obj.stddev);
return value;
},
minValue: function(datasetIndex, index) {
var me = this;
var meta = me.getMeta();
var yScale = me.getScaleForId(meta.yAxisID);
var obj = me.getDataset().data[index];
var value = Number(obj.min);
return yScale.getPixelForValue(value);
},
maxValue: function(datasetIndex, index) {
var me = this;
var meta = me.getMeta();
var yScale = me.getScaleForId(meta.yAxisID);
var obj = me.getDataset().data[index];
var value = Number(obj.max);
return yScale.getPixelForValue(value);
},
medianValue: function(datasetIndex, index) {
var me = this;
var meta = me.getMeta();
var yScale = me.getScaleForId(meta.yAxisID);
var obj = me.getDataset().data[index];
var value = Number(obj.median);
return yScale.getPixelForValue(value);
},
boxBottomValue: function(datasetIndex, index) {
var me = this;
var meta = me.getMeta();
var yScale = me.getScaleForId(meta.yAxisID);
var obj = me.getDataset().data[index];
var value = Number(obj.firstQuartile);
return yScale.getPixelForValue(value);
},
boxTopValue: function(index, datasetIndex) {
var me = this;
var meta = me.getMeta();
var yScale = me.getScaleForId(meta.yAxisID);
var obj = me.getDataset().data[index];
var value = Number(obj.thirdQuartile);
return yScale.getPixelForValue(value);
},
getRuler: function(index) {
var me = this;
var meta = me.getMeta();
var xScale = me.getScaleForId(meta.xAxisID);
var datasetCount = me.getBarCount();
var tickWidth;
if (xScale.options.type === 'category') {
tickWidth = xScale.getPixelForTick(index + 1) - xScale.getPixelForTick(index);
} else {
// Average width
tickWidth = xScale.width / xScale.ticks.length;
}
var categoryWidth = tickWidth * xScale.options.categoryPercentage;
var categorySpacing = (tickWidth - (tickWidth * xScale.options.categoryPercentage)) / 2;
var fullBarWidth = categoryWidth / datasetCount;
if (xScale.ticks.length !== me.chart.data.labels.length) {
var perc = xScale.ticks.length / me.chart.data.labels.length;
fullBarWidth = fullBarWidth * perc;
}
var barWidth = fullBarWidth * xScale.options.barPercentage;
var barSpacing = fullBarWidth - (fullBarWidth * xScale.options.barPercentage);
return {
datasetCount: datasetCount,
tickWidth: tickWidth,
categoryWidth: categoryWidth,
categorySpacing: categorySpacing,
fullBarWidth: fullBarWidth,
barWidth: barWidth,
barSpacing: barSpacing
};
},
calculateBarWidth: function(ruler) {
var xScale = this.getScaleForId(this.getMeta().xAxisID);
if (xScale.options.barThickness) {
return xScale.options.barThickness;
}
return ruler.barWidth;
},
// Get bar index from the given dataset index accounting for the fact that not all bars are visible
getBarIndex: function(datasetIndex) {
var barIndex = 0;
var meta;
var j;
for (j = 0; j < datasetIndex; ++j) {
meta = this.chart.getDatasetMeta(j);
if (meta.bar && this.chart.isDatasetVisible(j)) {
++barIndex;
}
}
return barIndex;
},
calculateBarX: function(index, datasetIndex, ruler) {
var me = this;
var meta = me.getMeta();
var xScale = me.getScaleForId(meta.xAxisID);
var barIndex = me.getBarIndex(datasetIndex);
var leftTick = xScale.getPixelForValue(null, index, datasetIndex, me.chart.isCombo);
leftTick -= me.chart.isCombo ? (ruler.tickWidth / 2) : 0;
return leftTick +
(ruler.barWidth / 2) +
ruler.categorySpacing +
(ruler.barWidth * barIndex) +
(ruler.barSpacing / 2) +
(ruler.barSpacing * barIndex);
},
draw: function(ease) {
var me = this;
var easingDecimal = ease || 1;
var metaData = me.getMeta().data;
var dataset = me.getDataset();
var i, len;
for (i = 0, len = metaData.length; i < len; ++i) {
var d = dataset.data[i];
if (d !== null && d !== undefined && typeof d === 'object' && !isNaN(d.median)) {
metaData[i].transition(easingDecimal).draw();
}
}
},
setHoverStyle: function(rectangle) {
var dataset = this.chart.data.datasets[rectangle._datasetIndex];
var index = rectangle._index;
var custom = rectangle.custom || {};
var model = rectangle._model;
model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));
model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.getHoverColor(model.borderColor));
model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);
},
removeHoverStyle: function(rectangle) {
var dataset = this.chart.data.datasets[rectangle._datasetIndex];
var index = rectangle._index;
var custom = rectangle.custom || {};
var model = rectangle._model;
var rectangleElementOptions = this.chart.options.elements.rectangle;
model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor);
model.borderColor = custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor);
model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth);
}
});
};

1
spikes/graphs-matrix/chartjs-whiskers/package.json
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@ -18,6 +18,7 @@
"babel-runtime": "^6.11.6",
"build-array": "^1.0.0",
"chart.js": "^2.3.0",
"chartjs-chart-box-plot": "^1.0.0-9",
"classnames": "^2.2.5",
"component-emitter": "^1.2.1",
"cpu-percent": "^2.0.1",

23
spikes/graphs-matrix/chartjs-whiskers/yarn.lock
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@ -947,6 +947,13 @@ chart.js@^2.3.0:
chartjs-color "^2.0.0"
moment "^2.10.6"
chartjs-chart-box-plot@^1.0.0-9:
version "1.0.0-9"
resolved "https://registry.yarnpkg.com/chartjs-chart-box-plot/-/chartjs-chart-box-plot-1.0.0-9.tgz#bd392c689301e71b13f602818629f5a0965eaddb"
dependencies:
react "^15.4.1"
react-dom "^15.4.1"
chartjs-color-string@^0.4.0:
version "0.4.0"
resolved "https://registry.yarnpkg.com/chartjs-color-string/-/chartjs-color-string-0.4.0.tgz#57748d4530ae28d8db0a5492182ba06dfdf2f468"
@ -3785,6 +3792,14 @@ react-dom@^15.3.2:
loose-envify "^1.1.0"
object-assign "^4.1.0"
react-dom@^15.4.1:
version "15.4.1"
resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-15.4.1.tgz#d54c913261aaedb17adc20410d029dcc18a1344a"
dependencies:
fbjs "^0.8.1"
loose-envify "^1.1.0"
object-assign "^4.1.0"
react-hot-loader@^3.0.0-beta.6:
version "3.0.0-beta.6"
resolved "https://registry.yarnpkg.com/react-hot-loader/-/react-hot-loader-3.0.0-beta.6.tgz#463fac0bfc8b63a8385258af20c91636abce75f4"
@ -3837,6 +3852,14 @@ react@^15.3.2:
loose-envify "^1.1.0"
object-assign "^4.1.0"
react@^15.4.1:
version "15.4.1"
resolved "https://registry.yarnpkg.com/react/-/react-15.4.1.tgz#498e918602677a3983cd0fd206dfe700389a0dd6"
dependencies:
fbjs "^0.8.4"
loose-envify "^1.1.0"
object-assign "^4.1.0"
readable-stream@^1.0.27-1, readable-stream@^1.1.13:
version "1.1.14"
resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"