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enable line chart to change it colors dynamically #101

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enable line chart to change it colors dynamically #101

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15 changes: 14 additions & 1 deletion lib/core.js
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ module.exports = {
updatePoints(nextProps, chart, dataKey);
if (chart.scale) {
chart.scale.xLabels = nextProps.data.labels;

if (chart.scale.calculateXLabelRotation){
chart.scale.calculateXLabelRotation();
}
Expand Down Expand Up @@ -127,11 +127,24 @@ var updatePoints = function(nextProps, chart, dataKey) {
chart.removeData();
}
nextProps.data.datasets.forEach(function(set, setIndex) {
// updating properties
Object.keys(set).forEach(function (prop) {
var val = set[prop];
if (prop === 'data') return; // skip data
chart.datasets[setIndex][prop] = val;
});

// updating points
set.data.forEach(function(val, pointIndex) {
if (typeof(chart.datasets[setIndex][dataKey][pointIndex]) == "undefined") {
addData(nextProps, chart, setIndex, pointIndex);
} else {
chart.datasets[setIndex][dataKey][pointIndex].value = val;
// update point color if available
if (set.pointColor) {
chart.datasets[setIndex][dataKey][pointIndex].fillColor = set.pointColor;
chart.datasets[setIndex][dataKey][pointIndex].highlightFill = set.pointColor;
}
}
});
});
Expand Down