scichart
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Fast WebGL JavaScript Charting Library and Framework
160 lines (159 loc) • 10.3 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.LineSegmentSeriesHitTestProvider = void 0;
var IDataSeries_1 = require("../../../Model/IDataSeries");
var BaseHitTestProvider_1 = require("./BaseHitTestProvider");
var hitTestHelpers_1 = require("./hitTestHelpers");
var HitTestInfo_1 = require("./HitTestInfo");
/**
* Hit-test provider for {@link BaseLineRenderableSeries}. See base class {@link BaseHitTestProvider} for further info
*/
var LineSegmentSeriesHitTestProvider = /** @class */ (function (_super) {
__extends(LineSegmentSeriesHitTestProvider, _super);
function LineSegmentSeriesHitTestProvider() {
return _super !== null && _super.apply(this, arguments) || this;
}
/**
* @inheritDoc
*/
LineSegmentSeriesHitTestProvider.prototype.hitTest = function (x, y, hitTestRadius) {
if (hitTestRadius === void 0) { hitTestRadius = BaseHitTestProvider_1.BaseHitTestProvider.DEFAULT_HIT_TEST_RADIUS; }
var dataSeriesType = this.parentSeries.dataSeries.type;
if (dataSeriesType === IDataSeries_1.EDataSeriesType.Xyxy) {
return this.hitTestXyXy(x, y, hitTestRadius);
}
else {
return this.hitTestXy(x, y, hitTestRadius);
}
};
/**
* Hit-test logic for Xy data series
* It is assumed the data is unsorted (general case)
*/
LineSegmentSeriesHitTestProvider.prototype.hitTestXy = function (x, y, hitTestRadius) {
if (hitTestRadius === void 0) { hitTestRadius = BaseHitTestProvider_1.BaseHitTestProvider.DEFAULT_HIT_TEST_RADIUS; }
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 dataSeriesCount = xNativeValues.size();
if (dataSeriesCount < 2)
return HitTestInfo_1.HitTestInfo.empty();
var getXFn = function (i) { return xNativeValues.get(2 * i); };
var getYFn = function (i) { return yNativeValues.get(2 * i); };
var getX1Fn = function (i) { return xNativeValues.get(2 * i + 1); };
var getY1Fn = function (i) { return yNativeValues.get(2 * i + 1); };
var _b = hitTestHelpers_1.hitTestHelpers.getNearestLineSegment(xCoordinateCalculator, yCoordinateCalculator, dataSeriesCount / 2, // passing half size, because X and X1 values alternate
getXFn, getYFn, getX1Fn, getY1Fn, xHitCoord, yHitCoord, hitTestRadius), isHit = _b.isHit, isWithinDataBounds = _b.isWithinDataBounds, nearestPointIndex = _b.nearestPointIndex, nearestDistance = _b.nearestDistance;
var firstPointIndex = nearestPointIndex >= 0 ? nearestPointIndex * 2 : -1;
var hitTestInfo = hitTestHelpers_1.hitTestHelpers.createHitTestInfo(this.parentSeries, xCoordinateCalculator, yCoordinateCalculator, isVerticalChart, dataSeries, xNativeValues, yNativeValues, xHitCoord, yHitCoord, firstPointIndex, hitTestRadius, nearestDistance);
if (firstPointIndex !== -1) {
hitTestInfo.dataSeriesIndex = firstPointIndex;
hitTestInfo.isWithinDataBounds = isWithinDataBounds;
hitTestInfo.isHit = isHit;
hitTestInfo.xValue = xNativeValues.get(firstPointIndex);
hitTestInfo.xCoord = xCoordinateCalculator.getCoordinate(hitTestInfo.xValue);
hitTestInfo.yValue = yNativeValues.get(firstPointIndex);
hitTestInfo.yCoord = yCoordinateCalculator.getCoordinate(hitTestInfo.yValue);
hitTestInfo.point2dataSeriesIndex = firstPointIndex + 1;
hitTestInfo.point2xValue = xNativeValues.get(firstPointIndex + 1);
hitTestInfo.point2xCoord = xCoordinateCalculator.getCoordinate(hitTestInfo.point2xValue);
hitTestInfo.point2yValue = yNativeValues.get(firstPointIndex + 1);
hitTestInfo.point2yCoord = yCoordinateCalculator.getCoordinate(hitTestInfo.point2yValue);
hitTestInfo.point2metadata = dataSeries.getMetadataAt(firstPointIndex + 1);
var point2yValueByName = dataSeries.valueNames.reduce(function (map, name) {
map[name] = dataSeries.getNativeValue(dataSeries.getYValuesByName(name), hitTestInfo.point2dataSeriesIndex);
return map;
}, {});
hitTestInfo.point2yValueByName = point2yValueByName;
}
return hitTestInfo;
};
/**
* Hit-test logic for Xyxy (four vectors) data series
* It is assumed the data is unsorted (general case)
*/
LineSegmentSeriesHitTestProvider.prototype.hitTestXyXy = function (x, y, hitTestRadius) {
if (hitTestRadius === void 0) { hitTestRadius = BaseHitTestProvider_1.BaseHitTestProvider.DEFAULT_HIT_TEST_RADIUS; }
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.yValues;
var x1NativeValues = dataSeries.x1Values;
var y1NativeValues = dataSeries.y1Values;
var dataSeriesCount = xNativeValues.size();
if (dataSeriesCount < 1)
return HitTestInfo_1.HitTestInfo.empty();
var getXFn = function (i) { return xNativeValues.get(i); };
var getYFn = function (i) { return yNativeValues.get(i); };
var getX1Fn = function (i) { return x1NativeValues.get(i); };
var getY1Fn = function (i) { return y1NativeValues.get(i); };
var _b = hitTestHelpers_1.hitTestHelpers.getNearestLineSegment(xCoordinateCalculator, yCoordinateCalculator, dataSeriesCount, getXFn, getYFn, getX1Fn, getY1Fn, xHitCoord, yHitCoord, hitTestRadius), isHit = _b.isHit, isWithinDataBounds = _b.isWithinDataBounds, nearestPointIndex = _b.nearestPointIndex, nearestDistance = _b.nearestDistance;
var hitTestInfo = hitTestHelpers_1.hitTestHelpers.createHitTestInfo(this.parentSeries, xCoordinateCalculator, yCoordinateCalculator, isVerticalChart, dataSeries, xNativeValues, yNativeValues, xHitCoord, yHitCoord, nearestPointIndex, hitTestRadius, nearestDistance);
if (nearestPointIndex !== -1) {
hitTestInfo.dataSeriesIndex = nearestPointIndex;
hitTestInfo.isWithinDataBounds = isWithinDataBounds;
hitTestInfo.isHit = isHit;
hitTestInfo.xValue = xNativeValues.get(nearestPointIndex);
hitTestInfo.xCoord = xCoordinateCalculator.getCoordinate(hitTestInfo.xValue);
hitTestInfo.yValue = yNativeValues.get(nearestPointIndex);
hitTestInfo.yCoord = yCoordinateCalculator.getCoordinate(hitTestInfo.yValue);
hitTestInfo.point2dataSeriesIndex = nearestPointIndex;
hitTestInfo.point2xValue = x1NativeValues.get(nearestPointIndex);
hitTestInfo.point2xCoord = xCoordinateCalculator.getCoordinate(hitTestInfo.point2xValue);
hitTestInfo.point2yValue = y1NativeValues.get(nearestPointIndex);
hitTestInfo.point2yCoord = yCoordinateCalculator.getCoordinate(hitTestInfo.point2yValue);
hitTestInfo.point2metadata = dataSeries.getMetadataAt(nearestPointIndex);
var point2yValueByName = dataSeries.valueNames.reduce(function (map, name) {
map[name] = dataSeries.getNativeValue(dataSeries.getYValuesByName(name), hitTestInfo.point2dataSeriesIndex);
return map;
}, {});
hitTestInfo.point2yValueByName = point2yValueByName;
}
return hitTestInfo;
};
/** @inheritDoc */
LineSegmentSeriesHitTestProvider.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 */
LineSegmentSeriesHitTestProvider.prototype.hitTestXSlice = function (x, y) {
return this.hitTest(x, y);
};
/** @inheritDoc */
LineSegmentSeriesHitTestProvider.prototype.hitTestDataPoint = function (x, y, hitTestRadius) {
return this.hitTest(x, y);
};
return LineSegmentSeriesHitTestProvider;
}(BaseHitTestProvider_1.BaseHitTestProvider));
exports.LineSegmentSeriesHitTestProvider = LineSegmentSeriesHitTestProvider;