scichart
Version:
Fast WebGL JavaScript Charting Library and Framework
87 lines (86 loc) • 4.32 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.UniformHeatmapHitTestProvider = void 0;
var Point_1 = require("../../../../Core/Point");
var BaseHitTestProvider_1 = require("./BaseHitTestProvider");
var hitTestHelpers_1 = require("./hitTestHelpers");
var HitTestInfo_1 = require("./HitTestInfo");
/**
* Hit-test provider for {@link UniformHeatmapRenderableSeries}. See base class {@link BaseHitTestProvider} for further info
*/
var UniformHeatmapHitTestProvider = /** @class */ (function (_super) {
__extends(UniformHeatmapHitTestProvider, _super);
function UniformHeatmapHitTestProvider() {
return _super !== null && _super.apply(this, arguments) || this;
}
/**
* @inheritDoc
*/
UniformHeatmapHitTestProvider.prototype.hitTest = 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 heatmapPoint = hitTestHelpers_1.hitTestHelpers.getNearestUniformHeatmapPoint(xCoordinateCalculator, yCoordinateCalculator, dataSeries, xHitCoord, yHitCoord);
var xIndex = heatmapPoint.xIndex, yIndex = heatmapPoint.yIndex, zValue = heatmapPoint.zValue;
var hitTestInfo = new HitTestInfo_1.HitTestInfo(this.parentSeries);
hitTestInfo.dataSeriesName = this.parentSeries.type;
hitTestInfo.dataSeriesType = dataSeries.type;
hitTestInfo.hitTestPoint = new Point_1.Point(xHitCoord, yHitCoord);
var hitTestPointXValue = xCoordinateCalculator.getDataValue(xHitCoord);
var hitTestPointYValue = yCoordinateCalculator.getDataValue(yHitCoord);
hitTestInfo.hitTestPointValues = new Point_1.Point(hitTestPointXValue, hitTestPointYValue);
hitTestInfo.xValue = hitTestPointXValue;
hitTestInfo.yValue = hitTestPointYValue;
hitTestInfo.heatmapXIndex = xIndex;
hitTestInfo.heatmapYIndex = yIndex;
hitTestInfo.zValue = zValue;
// TODO: set correct heatmapValue
hitTestInfo.heatmapValue = zValue;
// TODO maybe calculate coordinates of the cell center?
hitTestInfo.xCoord = xHitCoord;
hitTestInfo.yCoord = yHitCoord;
hitTestInfo.isHit = xIndex !== -1 && yIndex !== -1;
hitTestInfo.isWithinDataBounds = hitTestInfo.isHit;
if (xIndex !== -1 && yIndex !== -1) {
hitTestInfo.metadata = dataSeries.getMetadataAt(yIndex, xIndex);
}
return hitTestInfo;
};
/**
* @inheritDoc
*/
UniformHeatmapHitTestProvider.prototype.hitTestDataPoint = function (x, y) {
return this.hitTest(x, y);
};
/**
* @inheritDoc
*/
UniformHeatmapHitTestProvider.prototype.hitTestXSlice = function (x, y) {
return this.hitTest(x, y);
};
return UniformHeatmapHitTestProvider;
}(BaseHitTestProvider_1.BaseHitTestProvider));
exports.UniformHeatmapHitTestProvider = UniformHeatmapHitTestProvider;