igniteui-angular-charts
Version:
Ignite UI Angular charting components for building rich data visualizations for modern web apps.
55 lines (54 loc) • 2.27 kB
JavaScript
/*
THIS INFRAGISTICS ULTIMATE SOFTWARE LICENSE AGREEMENT ("AGREEMENT") LOCATED HERE:
https://www.infragistics.com/legal/license/igultimate-la
https://www.infragistics.com/legal/license/igultimate-eula
GOVERNS THE LICENSING, INSTALLATION AND USE OF INFRAGISTICS SOFTWARE. BY DOWNLOADING AND/OR INSTALLING AND USING INFRAGISTICS SOFTWARE: you are indicating that you have read and understand this Agreement, and agree to be legally bound by it on behalf of the yourself and your company.
*/
import { __extends } from "tslib";
import { IndicatorCalculationStrategy } from "./IndicatorCalculationStrategy";
import { String_$type, markType } from "igniteui-angular-core";
import { List$1 } from "igniteui-angular-core";
/**
* @hidden
*/
var OnBalanceVolumeIndicatorStrategy = /** @class */ /*@__PURE__*/ (function (_super) {
__extends(OnBalanceVolumeIndicatorStrategy, _super);
function OnBalanceVolumeIndicatorStrategy() {
return _super !== null && _super.apply(this, arguments) || this;
}
OnBalanceVolumeIndicatorStrategy.prototype.b = function (a, b) {
var c = new List$1(String_$type, 0);
c.add("CloseColumn");
c.add("VolumeColumn");
return c;
};
OnBalanceVolumeIndicatorStrategy.prototype.a = function (a, b) {
var c = a.closeColumn;
var d = a.volumeColumn;
var e = a.indicatorColumn;
var f = 0;
if (c != null && d != null) {
f = Math.min(c.count, d.count);
}
var g = 0;
if (f > 0) {
g = d.item(0);
e.item(0, g);
}
for (var h = 1; h < f; ++h) {
switch (Math.sign(c.item(h) - c.item(h - 1))) {
case -1:
g -= d.item(h);
break;
case 1:
g += d.item(h);
break;
}
e.item(h, g);
}
return true;
};
OnBalanceVolumeIndicatorStrategy.$t = markType(OnBalanceVolumeIndicatorStrategy, 'OnBalanceVolumeIndicatorStrategy', IndicatorCalculationStrategy.$);
return OnBalanceVolumeIndicatorStrategy;
}(IndicatorCalculationStrategy));
export { OnBalanceVolumeIndicatorStrategy };