mirror of
https://github.com/yldio/copilot.git
synced 2024-12-05 01:20:08 +02:00
277 lines
9.4 KiB
JavaScript
277 lines
9.4 KiB
JavaScript
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);
|
|
}
|
|
|
|
});
|
|
};
|