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Add option to display the last item as default OHLC #740

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Add option to display the last item as default OHLC #740

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14 changes: 9 additions & 5 deletions src/lib/tooltip/OHLCTooltip.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ import { timeFormat } from "d3-time-format";
import displayValuesFor from "./displayValuesFor";
import GenericChartComponent from "../GenericChartComponent";

import { isDefined, functor } from "../utils";
import { isDefined, functor, last } from "../utils";
import ToolTipText from "./ToolTipText";
import ToolTipTSpanLabel from "./ToolTipTSpanLabel";

Expand All @@ -24,19 +24,21 @@ class OHLCTooltip extends Component {
volumeFormat,
ohlcFormat,
percentFormat,
displayTexts
displayTexts,
lastAsDefault
} = this.props;

const { chartConfig: { width, height } } = moreProps;
const { displayXAccessor } = moreProps;
const { displayXAccessor, fullData } = moreProps;

const currentItem = displayValuesFor(this.props, moreProps);
const displayItem = lastAsDefault ? currentItem || last(fullData) : currentItem;

let displayDate, open, high, low, close, volume, percent;
displayDate = open = high = low = close = volume = percent = displayTexts.na;

if (isDefined(currentItem) && isDefined(accessor(currentItem))) {
const item = accessor(currentItem);
if (isDefined(displayItem) && isDefined(accessor(displayItem))) {
const item = accessor(displayItem);
volume = isDefined(item.volume) ? volumeFormat(item.volume) : displayTexts.na;

displayDate = xDisplayFormat(displayXAccessor(item));
Expand Down Expand Up @@ -91,6 +93,7 @@ OHLCTooltip.propTypes = {
textFill: PropTypes.string,
labelFill: PropTypes.string,
displayTexts: PropTypes.object,
lastAsDefault: PropTypes.bool,
};

const displayTextsDefault = {
Expand Down Expand Up @@ -122,6 +125,7 @@ OHLCTooltip.defaultProps = {
origin: [0, 0],
children: defaultDisplay,
displayTexts: displayTextsDefault,
lastAsDefault: false,
};

function defaultDisplay(props, moreProps, itemsToDisplay) {
Expand Down