scichart
Version:
Fast WebGL JavaScript Charting Library and Framework
189 lines (188 loc) • 10.2 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.OhlcSeriesHitTestProvider = void 0;
var pointUtil_1 = require("../../../../utils/pointUtil");
var BaseHitTestProvider_1 = require("./BaseHitTestProvider");
var hitTestHelpers_1 = require("./hitTestHelpers");
var HitTestInfo_1 = require("./HitTestInfo");
/**
* Hit-test provider for {@link FastOhlcRenderableSeries}. See base class {@link BaseHitTestProvider} for further info
*/
var OhlcSeriesHitTestProvider = /** @class */ (function (_super) {
__extends(OhlcSeriesHitTestProvider, _super);
function OhlcSeriesHitTestProvider() {
return _super !== null && _super.apply(this, arguments) || this;
}
/**
* @inheritDoc
*/
OhlcSeriesHitTestProvider.prototype.hitTest = function (x, y, hitTestRadius) {
if (hitTestRadius === void 0) { hitTestRadius = 0; }
var hitTestPoint = this.getTranslatedHitTestPoint(x, y);
if (!hitTestPoint) {
return HitTestInfo_1.HitTestInfo.empty();
}
var _a = this.currentRenderPassData, xCoordinateCalculator = _a.xCoordinateCalculator, yCoordinateCalculator = _a.yCoordinateCalculator, isVerticalChart = _a.isVerticalChart;
var xHitCoord = isVerticalChart ? hitTestPoint.y : hitTestPoint.x;
var yHitCoord = isVerticalChart ? hitTestPoint.x : hitTestPoint.y;
var renderableSeries = this.parentSeries;
var dataSeries = this.parentSeries.dataSeries;
if (!dataSeries) {
return HitTestInfo_1.HitTestInfo.empty();
}
var nearestPointIndex = hitTestHelpers_1.hitTestHelpers.getNearestXPoint(this.webAssemblyContext, xCoordinateCalculator, dataSeries, xHitCoord, dataSeries.dataDistributionCalculator.isSortedAscending);
var xNativeValues = dataSeries.getNativeXValues();
var yNativeValues = dataSeries.getNativeYValues();
var hitTestInfo = hitTestHelpers_1.hitTestHelpers.createHitTestInfo(this.parentSeries, xCoordinateCalculator, yCoordinateCalculator, isVerticalChart, dataSeries, xNativeValues, yNativeValues, xHitCoord, yHitCoord, nearestPointIndex, hitTestRadius);
if (nearestPointIndex >= 0) {
var res = hitTestHelpers_1.hitTestHelpers.testIsHitForOHLC(xCoordinateCalculator, yCoordinateCalculator, renderableSeries, dataSeries, nearestPointIndex, xHitCoord, yHitCoord, hitTestRadius);
hitTestInfo.isHit = res.isHit;
hitTestInfo.openValue = res.openValue;
hitTestInfo.highValue = res.highValue;
hitTestInfo.lowValue = res.lowValue;
hitTestInfo.closeValue = res.closeValue;
}
else {
hitTestInfo.isHit = false;
}
return hitTestInfo;
};
// Alternate method that deals slighty better with unsorted data where multiple candles share an x value, but fails for large candles.
// See the new Editable Event Markers demo for yet another method which does better still, for a slightly special case
// public hitTest(x: number, y: number, hitTestRadius: number = 0): HitTestInfo {
// const hitTestPoint = this.getTranslatedHitTestPoint(x, y);
// if (!hitTestPoint) {
// return HitTestInfo.empty();
// }
// const { xCoordinateCalculator, yCoordinateCalculator, isVerticalChart } = this.currentRenderPassData;
// const xHitCoord = isVerticalChart ? hitTestPoint.y : hitTestPoint.x;
// const yHitCoord = isVerticalChart ? hitTestPoint.x : hitTestPoint.y;
// const renderableSeries = this.parentSeries as BaseOhlcRenderableSeries;
// const dataSeries = this.parentSeries.dataSeries as OhlcDataSeries;
// if (!dataSeries) {
// return HitTestInfo.empty();
// }
// const isCategoryAxis = xCoordinateCalculator.isCategoryCoordinateCalculator;
// const xValues = isCategoryAxis ? dataSeries.getNativeIndexes() : dataSeries.getNativeXValues();
// const isSorted = dataSeries.dataDistributionCalculator.isSortedAscending;
// const nearestClose = hitTestHelpers.getNearestPoint(
// this.webAssemblyContext,
// xCoordinateCalculator,
// yCoordinateCalculator,
// xValues,
// dataSeries.getNativeCloseValues(),
// isSorted,
// xHitCoord,
// yHitCoord,
// hitTestRadius
// );
// const nearestOpen = hitTestHelpers.getNearestPoint(
// this.webAssemblyContext,
// xCoordinateCalculator,
// yCoordinateCalculator,
// xValues,
// dataSeries.getNativeOpenValues(),
// isSorted,
// xHitCoord,
// yHitCoord,
// hitTestRadius
// );
// const nearestPoint = nearestClose.distance < nearestOpen.distance ? nearestClose : nearestOpen;
// const xNativeValues = dataSeries.getNativeXValues();
// const yNativeValues = dataSeries.getNativeYValues();
// const hitTestInfo = hitTestHelpers.createHitTestInfo(
// this.parentSeries,
// xCoordinateCalculator,
// yCoordinateCalculator,
// isVerticalChart,
// dataSeries,
// xNativeValues,
// yNativeValues,
// xHitCoord,
// yHitCoord,
// nearestPoint.nearestPointIndex,
// hitTestRadius,
// nearestPoint.distance
// );
// if (nearestPoint.nearestPointIndex >= 0) {
// const res = hitTestHelpers.testIsHitForOHLC(
// xCoordinateCalculator,
// yCoordinateCalculator,
// renderableSeries,
// dataSeries,
// nearestPoint.nearestPointIndex,
// xHitCoord,
// yHitCoord,
// hitTestRadius
// );
// hitTestInfo.isHit = res.isHit;
// hitTestInfo.openValue = res.openValue;
// hitTestInfo.highValue = res.highValue;
// hitTestInfo.lowValue = res.lowValue;
// hitTestInfo.closeValue = res.closeValue;
// } else {
// hitTestInfo.isHit = false;
// }
// return hitTestInfo;
// }
/**
* @inheritDoc
*/
OhlcSeriesHitTestProvider.prototype.hitTestForDataPointSelectionModifier = function (x, y, hitTestRadius) {
if (hitTestRadius === void 0) { hitTestRadius = BaseHitTestProvider_1.BaseHitTestProvider.DEFAULT_HIT_TEST_RADIUS; }
return this.hitTest(x, y, hitTestRadius);
};
/**
* @inheritDoc
*/
OhlcSeriesHitTestProvider.prototype.hitTestXSlice = function (x, y) {
var hitTestPoint = this.getTranslatedHitTestPoint(x, y);
if (!hitTestPoint) {
return HitTestInfo_1.HitTestInfo.empty();
}
var _a = this.currentRenderPassData, xCoordinateCalculator = _a.xCoordinateCalculator, yCoordinateCalculator = _a.yCoordinateCalculator, isVerticalChart = _a.isVerticalChart;
var xHitCoord = isVerticalChart ? hitTestPoint.y : hitTestPoint.x;
var yHitCoord = isVerticalChart ? hitTestPoint.x : hitTestPoint.y;
var dataSeries = this.parentSeries.dataSeries;
if (!dataSeries) {
return HitTestInfo_1.HitTestInfo.empty();
}
var xNativeValues = dataSeries.getNativeXValues();
var yNativeValues = dataSeries.getNativeYValues();
var nearestPointIndex = hitTestHelpers_1.hitTestHelpers.getNearestXPoint(this.webAssemblyContext, xCoordinateCalculator, dataSeries, xHitCoord, dataSeries.dataDistributionCalculator.isSortedAscending);
var hitTestInfo = hitTestHelpers_1.hitTestHelpers.createHitTestInfo(this.parentSeries, xCoordinateCalculator, yCoordinateCalculator, isVerticalChart, dataSeries, xNativeValues, yNativeValues, xHitCoord, yHitCoord, nearestPointIndex, 0);
if (nearestPointIndex >= 0) {
hitTestInfo.openValue = dataSeries.getNativeOpenValues().get(nearestPointIndex);
hitTestInfo.highValue = dataSeries.getNativeHighValues().get(nearestPointIndex);
hitTestInfo.lowValue = dataSeries.getNativeLowValues().get(nearestPointIndex);
hitTestInfo.closeValue = dataSeries.getNativeCloseValues().get(nearestPointIndex);
var isCategoryAxis = xCoordinateCalculator.isCategoryCoordinateCalculator;
var xFirstValue = isCategoryAxis ? 0 : xNativeValues.get(0);
var xLastValue = isCategoryAxis ? xNativeValues.size() - 1 : xNativeValues.get(xNativeValues.size() - 1);
var dataPointWidth = this.parentSeries.dataPointWidth;
hitTestInfo.isWithinDataBounds = (0, pointUtil_1.testIsInInterval)(hitTestInfo.hitTestPointValues.x, xFirstValue, xLastValue, dataPointWidth / 2);
hitTestInfo.isHit = hitTestInfo.isWithinDataBounds;
}
else {
hitTestInfo.isHit = false;
}
return hitTestInfo;
};
return OhlcSeriesHitTestProvider;
}(BaseHitTestProvider_1.BaseHitTestProvider));
exports.OhlcSeriesHitTestProvider = OhlcSeriesHitTestProvider;