scichart
Version:
Fast WebGL JavaScript Charting Library and Framework
148 lines (147 loc) • 9.76 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.LineSeriesHitTestProvider = void 0;
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 LineSeriesHitTestProvider = /** @class */ (function (_super) {
__extends(LineSeriesHitTestProvider, _super);
function LineSeriesHitTestProvider() {
return _super !== null && _super.apply(this, arguments) || this;
}
/**
* @inheritDoc
*/
LineSeriesHitTestProvider.prototype.hitTest = 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 isVerticalChart = this.currentRenderPassData.isVerticalChart;
var xHitCoord = isVerticalChart ? hitTestPoint.y : hitTestPoint.x;
var yHitCoord = isVerticalChart ? hitTestPoint.x : hitTestPoint.y;
var isSortedData = this.parentSeries.dataSeries.dataDistributionCalculator.isSortedAscending;
if (isSortedData) {
return this.hitTestSorted(xHitCoord, yHitCoord, hitTestRadius);
}
else {
return this.hitTestUnsorted(xHitCoord, yHitCoord, hitTestRadius);
}
};
LineSeriesHitTestProvider.prototype.hitTestSorted = function (xHitCoord, yHitCoord, hitTestRadius) {
var _a = this.currentRenderPassData, xCoordinateCalculator = _a.xCoordinateCalculator, yCoordinateCalculator = _a.yCoordinateCalculator, isVerticalChart = _a.isVerticalChart;
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();
// Call method on RS as this resolves arrayFilter stuff
var yNativeValues = this.parentSeries.getNativeYValues();
var hitTestInfo = hitTestHelpers_1.hitTestHelpers.createHitTestInfo(this.parentSeries, xCoordinateCalculator, yCoordinateCalculator, isVerticalChart, dataSeries, xNativeValues, yNativeValues, xHitCoord, yHitCoord, nearestPointIndex, hitTestRadius, undefined);
if (nearestPointIndex >= 0) {
var dataSeriesCount = xNativeValues.size();
var nearestXCoord = xCoordinateCalculator.getCoordinate(xCoordinateCalculator.isCategoryCoordinateCalculator
? nearestPointIndex
: xNativeValues.get(nearestPointIndex));
if ((nearestPointIndex === dataSeriesCount - 1 &&
(xCoordinateCalculator.hasFlippedCoordinates
? xHitCoord >= nearestXCoord
: xHitCoord <= nearestXCoord)) ||
(nearestPointIndex === 0 &&
(xCoordinateCalculator.hasFlippedCoordinates
? xHitCoord <= nearestXCoord
: xHitCoord >= nearestXCoord))) {
hitTestInfo.isHit = hitTestHelpers_1.hitTestHelpers.testIsHitForPoint(xCoordinateCalculator, yCoordinateCalculator, xNativeValues, yNativeValues, nearestPointIndex, xHitCoord, yHitCoord, hitTestRadius, dataSeries);
}
else {
var hitRes = hitTestHelpers_1.hitTestHelpers.testIsHitForLine(xCoordinateCalculator, yCoordinateCalculator, xNativeValues, yNativeValues, nearestPointIndex, xHitCoord, yHitCoord, hitTestRadius, dataSeries);
hitTestInfo.isHit = hitRes.isHit;
hitTestInfo.point2dataSeriesIndex = hitRes.secondPointIndex;
hitTestInfo.point2xValue = xNativeValues.get(hitRes.secondPointIndex);
hitTestInfo.point2xCoord = xCoordinateCalculator.getCoordinate(hitTestInfo.point2xValue);
hitTestInfo.point2yValue = yNativeValues.get(hitRes.secondPointIndex);
hitTestInfo.point2yCoord = yCoordinateCalculator.getCoordinate(hitTestInfo.point2yValue);
hitTestInfo.point2metadata = dataSeries.getMetadataAt(hitRes.secondPointIndex);
var point2yValueByName = dataSeries.valueNames.reduce(function (map, name) {
map[name] = dataSeries.getNativeValue(dataSeries.getYValuesByName(name), hitTestInfo.point2dataSeriesIndex);
return map;
}, {});
hitTestInfo.point2yValueByName = point2yValueByName;
}
}
else {
hitTestInfo.isHit = false;
}
return hitTestInfo;
};
LineSeriesHitTestProvider.prototype.hitTestUnsorted = function (xHitCoord, yHitCoord, hitTestRadius) {
var _a = this.currentRenderPassData, xCoordinateCalculator = _a.xCoordinateCalculator, yCoordinateCalculator = _a.yCoordinateCalculator, isVerticalChart = _a.isVerticalChart;
var dataSeries = this.parentSeries.dataSeries;
if (!dataSeries)
return HitTestInfo_1.HitTestInfo.empty();
var nearest = hitTestHelpers_1.hitTestHelpers.getNearestXyPoint(this.webAssemblyContext, xCoordinateCalculator, yCoordinateCalculator, dataSeries, xHitCoord, yHitCoord, hitTestRadius);
var xNativeValues = dataSeries.getNativeXValues();
// Call method on RS as this resolves arrayFilter stuff
var yNativeValues = this.parentSeries.getNativeYValues();
var hitTestInfo = hitTestHelpers_1.hitTestHelpers.createHitTestInfo(this.parentSeries, xCoordinateCalculator, yCoordinateCalculator, isVerticalChart, dataSeries, xNativeValues, yNativeValues, xHitCoord, yHitCoord, nearest.nearestPointIndex, hitTestRadius, nearest.distance);
if (nearest.nearestPointIndex >= 0) {
// Test for the point
// const distance = calcDistance(xHitCoord, yHitCoord, hitTestInfo.xCoord, hitTestInfo.yCoord);
// if (distance < hitTestRadius) {
// hitTestInfo.isHit = true;
// return hitTestInfo;
// }
var dataSeriesCount = xNativeValues.size();
var getXFn = function (i) { return xNativeValues.get(i); };
var getYFn = function (i) { return yNativeValues.get(i); };
var getX1Fn = function (i) { return xNativeValues.get(i + 1); };
var getY1Fn = function (i) { return yNativeValues.get(i + 1); };
var _b = hitTestHelpers_1.hitTestHelpers.getNearestLineSegment(xCoordinateCalculator, yCoordinateCalculator, dataSeriesCount - 1, getXFn, getYFn, getX1Fn, getY1Fn, xHitCoord, yHitCoord, hitTestRadius), isHit = _b.isHit, isWithinDataBounds = _b.isWithinDataBounds, nearestPointIndex = _b.nearestPointIndex;
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 + 1;
hitTestInfo.point2xValue = xNativeValues.get(nearestPointIndex + 1);
hitTestInfo.point2xCoord = xCoordinateCalculator.getCoordinate(hitTestInfo.point2xValue);
hitTestInfo.point2yValue = yNativeValues.get(nearestPointIndex + 1);
hitTestInfo.point2yCoord = yCoordinateCalculator.getCoordinate(hitTestInfo.point2yValue);
hitTestInfo.point2metadata = dataSeries.getMetadataAt(nearestPointIndex + 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;
}
}
hitTestInfo.isHit = false;
return hitTestInfo;
};
return LineSeriesHitTestProvider;
}(BaseHitTestProvider_1.BaseHitTestProvider));
exports.LineSeriesHitTestProvider = LineSeriesHitTestProvider;