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Added support to style top of bar values #721

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Added support to style top of bar values #721

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13 changes: 7 additions & 6 deletions src/BarChart.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ export interface BarChartProps extends AbstractChartProps {
showValuesOnTopOfBars?: boolean;
withCustomBarColorFromData?: boolean;
flatColor?: boolean;

}

type BarChartState = {};
Expand Down Expand Up @@ -161,8 +161,8 @@ class BarChart extends AbstractChart<BarChartProps, BarChartState> {
{flatColor ? (
<Stop offset="1" stopColor={highOpacityColor} stopOpacity="1" />
) : (
<Stop offset="1" stopColor={lowOpacityColor} stopOpacity="0" />
)}
<Stop offset="1" stopColor={lowOpacityColor} stopOpacity="0" />
)}
</LinearGradient>
);
})}
Expand All @@ -185,7 +185,7 @@ class BarChart extends AbstractChart<BarChartProps, BarChartState> {
const baseHeight = this.calcBaseHeight(data, height);

const renderLabel = (value: number) => {
if(this.props.chartConfig.formatTopBarValue) {
if (this.props.chartConfig.formatTopBarValue) {
return this.props.chartConfig.formatTopBarValue(value)
}
else {
Expand All @@ -195,19 +195,20 @@ class BarChart extends AbstractChart<BarChartProps, BarChartState> {
return data.map((x, i) => {
const barHeight = this.calcHeight(x, data, height);
const barWidth = 32 * this.getBarPercentage();
const propsForTopOfBarLabel = { fontSize: 12, ...this.props.chartConfig.propsForTopLabel } || { fontSize: 12 }
return (
<Text
key={Math.random()}
x={
paddingRight +
(i * (width - paddingRight)) / data.length +
barWidth / 1

}
y={((baseHeight - barHeight) / 4) * 3 + paddingTop - 1}
fill={this.props.chartConfig.color(0.6)}
fontSize="12"
textAnchor="middle"
style={propsForTopOfBarLabel}
>
{renderLabel(data[i])}
</Text>
Expand Down
1 change: 1 addition & 0 deletions src/HelperTypes.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,7 @@ export interface ChartConfig {
*/
barPercentage?: number;
barRadius?: number;
propsForTopLabels?: TextProps;
/**
* Override styles of the background lines, refer to react-native-svg's Line documentation
*/
Expand Down