mirror of
https://github.com/chartjs/Chart.js.git
synced 2024-10-07 04:39:06 +02:00
Allow line controller to calculate stacked values
This commit is contained in:
parent
e4d308f329
commit
334ba44e95
@ -193,7 +193,7 @@
|
||||
// Desired view properties
|
||||
_model: {
|
||||
x: xScale.getPixelForValue(this.getDataset().data[index], index, this.index, this.chart.isCombo),
|
||||
y: reset ? scaleBase : yScale.getPixelForValue(this.getDataset().data[index], index, this.index),
|
||||
y: reset ? scaleBase : this.calculatePointY(this.getDataset().data[index], index, this.index, this.chart.isCombo),
|
||||
// Appearance
|
||||
tension: point.custom && point.custom.tension ? point.custom.tension : (this.getDataset().tension || this.chart.options.elements.line.tension),
|
||||
radius: point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius),
|
||||
@ -208,6 +208,39 @@
|
||||
point._model.skip = point.custom && point.custom.skip ? point.custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));
|
||||
},
|
||||
|
||||
calculatePointY: function(value, index, datasetIndex, isCombo) {
|
||||
|
||||
var xScale = this.getScaleForId(this.getDataset().xAxisID);
|
||||
var yScale = this.getScaleForId(this.getDataset().yAxisID);
|
||||
|
||||
if (yScale.options.stacked) {
|
||||
|
||||
var sumPos = 0,
|
||||
sumNeg = 0;
|
||||
|
||||
for (var i = this.chart.data.datasets.length - 1; i > datasetIndex; i--) {
|
||||
var ds = this.chart.data.datasets[i];
|
||||
if (helpers.isDatasetVisible(ds)) {
|
||||
if (ds.data[index] < 0) {
|
||||
sumNeg += ds.data[index] || 0;
|
||||
} else {
|
||||
sumPos += ds.data[index] || 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (value < 0) {
|
||||
return yScale.getPixelForValue(sumNeg + value);
|
||||
} else {
|
||||
return yScale.getPixelForValue(sumPos + value);
|
||||
}
|
||||
|
||||
return yScale.getPixelForValue(value);
|
||||
}
|
||||
|
||||
return yScale.getPixelForValue(value);
|
||||
},
|
||||
|
||||
updateBezierControlPoints: function() {
|
||||
// Update bezier control points
|
||||
helpers.each(this.getDataset().metaData, function(point, index) {
|
||||
|
Loading…
Reference in New Issue
Block a user