scichart
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Fast WebGL JavaScript Charting Library and Framework
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JavaScript
"use strict";
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.SvgAnnotationBase = void 0;
var AnchorPoint_1 = require("../../../types/AnchorPoint");
var constants_1 = require("./constants");
var DomAnnotationBase_1 = require("./DomAnnotationBase");
var IAnnotation_1 = require("./IAnnotation");
/**
* The Base class for an {@link AnnotationBase | Annotation} which draws using an HTML5 SVG canvas
*/
var SvgAnnotationBase = /** @class */ (function (_super) {
__extends(SvgAnnotationBase, _super);
/**
* Creates an instance of an SvgAnnotationbase
* @param options Optional parameters of type {@link ISvgAnnotationBaseOptions} used to configure the annotation on construction
*/
function SvgAnnotationBase(options) {
var _this = _super.call(this, options) || this;
/** @inheritDoc */
_this.isSvgAnnotation = true;
return _this;
}
/** @inheritDoc */
SvgAnnotationBase.prototype.onDetach = function () {
_super.prototype.onDetach.call(this);
this.delete();
};
/**
* Updates the annotation position, with the {@link CoordinateCalculatorBase | Coordinate Calculators} passed in
* @param xCalc The XAxis {@link CoordinateCalculatorBase | CoordinateCalculator} applied to this annotation
* @param yCalc The YAxis {@link CoordinateCalculatorBase | CoordinateCalculator} applied to this annotation
* @param xCoordSvgTrans X-coordinate translation which is needed to use SVG canvas having the whole chart size
* @param yCoordSvgTrans Y-coordinate translation which is needed to use SVG canvas having the whole chart size
*/
SvgAnnotationBase.prototype.update = function (xCalc, yCalc, xCoordSvgTrans, yCoordSvgTrans) {
var _a, _b;
this.xCoordSvgTransProperty = xCoordSvgTrans;
this.yCoordSvgTransProperty = yCoordSvgTrans;
this.create(xCalc, yCalc, xCoordSvgTrans, yCoordSvgTrans);
var shiftX = (_a = this.xCoordShift) !== null && _a !== void 0 ? _a : 0;
var shiftY = (_b = this.yCoordShift) !== null && _b !== void 0 ? _b : 0;
var _c = this.getSvgDomRect(), width = _c.width, height = _c.height;
if (this.horizontalAnchorPointProperty === AnchorPoint_1.EHorizontalAnchorPoint.Center) {
shiftX -= width / 2;
}
else if (this.horizontalAnchorPointProperty === AnchorPoint_1.EHorizontalAnchorPoint.Right) {
shiftX -= width;
}
if (this.verticalAnchorPointProperty === AnchorPoint_1.EVerticalAnchorPoint.Center) {
shiftY -= height / 2;
}
else if (this.verticalAnchorPointProperty === AnchorPoint_1.EVerticalAnchorPoint.Bottom) {
shiftY -= height;
}
this.svg.style.visibility = this.isHidden ? "hidden" : "visible";
this.svg.style.opacity = this.opacity.toString();
var _d = this.convertPolarToCartesian(this.getX1Coordinate(xCalc, yCalc), this.getY1Coordinate(xCalc, yCalc), true), x = _d.x, y = _d.y;
var x1Coord = shiftX + x + xCoordSvgTrans;
var y1Coord = shiftY + y + yCoordSvgTrans;
if (isNaN(x1Coord) || isNaN(y1Coord) || !isFinite(x1Coord) || !isFinite(y1Coord)) {
this.svg.style.display = "none";
}
else {
this.setSvgAttribute("x", x1Coord);
this.setSvgAttribute("y", y1Coord);
}
};
/** @inheritDoc */
SvgAnnotationBase.prototype.delete = function () {
this.clear();
_super.prototype.delete.call(this);
};
Object.defineProperty(SvgAnnotationBase.prototype, "svg", {
get: function () {
return this.svgProperty;
},
enumerable: false,
configurable: true
});
SvgAnnotationBase.prototype.getSvgDomRect = function () {
var _a, _b, _c;
if (!this.svgDOMRect) {
// getBBox has issue measuring the inner content of SVG on Firefox SCJS-1936,
// thus here we try to measure the contents, e.g. background element if it exists
// @ts-ignore property doesn't exist warning
this.svgDOMRect = (_c = (_b = (_a = this.svg.firstChild) === null || _a === void 0 ? void 0 : _a.getBBox) === null || _b === void 0 ? void 0 : _b.call(_a)) !== null && _c !== void 0 ? _c : this.svg.getBBox();
}
return this.svgDOMRect;
};
SvgAnnotationBase.prototype.clear = function () {
if (!this.parentSurface || this.parentSurface.isDeleted || !this.svg)
return;
this.nextSibling = this.svg.nextElementSibling;
this.svg.parentNode.removeChild(this.svg);
this.svgDOMRect = undefined;
this.setSvg(undefined);
};
/**
* Called to create the SVG Dom Element right before it is added to the parent chart
* @param xCalc The XAxis {@link CoordinateCalculatorBase | CoordinateCalculator} applied to this annotation
* @param yCalc The YAxis {@link CoordinateCalculatorBase | CoordinateCalculator} applied to this annotation
* @param xCoordSvgTrans X-coordinate translation which is needed to use SVG canvas having the whole chart size
* @param yCoordSvgTrans Y-coordinate translation which is needed to use SVG canvas having the whole chart size
*/
SvgAnnotationBase.prototype.create = function (xCalc, yCalc, xCoordSvgTrans, yCoordSvgTrans) {
this.xCoordSvgTransProperty = xCoordSvgTrans;
this.yCoordSvgTransProperty = yCoordSvgTrans;
};
Object.defineProperty(SvgAnnotationBase.prototype, "svgRoot", {
/**
* Gets the {@link SVGSVGElement | SVG Element} at the root of this annotation
*/
get: function () {
return this.svgRootProperty;
},
enumerable: false,
configurable: true
});
SvgAnnotationBase.prototype.selectLayerRoot = function () {
if (this.annotationLayer === IAnnotation_1.EAnnotationLayer.AboveChart) {
this.svgRootProperty = this.parentSurface.domSvgContainer;
}
else if (this.annotationLayer === IAnnotation_1.EAnnotationLayer.BelowChart) {
// default to foreground for back compatability
this.svgRootProperty = this.parentSurface.domSvgContainer;
}
else if (this.annotationLayer === IAnnotation_1.EAnnotationLayer.Background) {
this.svgRootProperty = this.parentSurface.domBackgroundSvgContainer;
}
else {
throw new Error("Unexpected annotationLayer value: \"".concat(this.annotationLayer, "!\""));
}
};
SvgAnnotationBase.prototype.setSvgAttribute = function (attributeName, value) {
var strValue = value.toString(10);
this.svg.firstElementChild.setAttribute(attributeName, strValue);
};
SvgAnnotationBase.prototype.setSvg = function (svg) {
this.svgProperty = svg;
};
SvgAnnotationBase.prototype.applyClipping = function (svgString, clipping) {
return this.applySvgClipping(svgString, clipping);
};
SvgAnnotationBase.prototype.notifyPropertyChanged = function (propertyName) {
var _a;
if (propertyName === constants_1.PROPERTY.ANNOTATION_CANVAS && !((_a = this.svgRootProperty) === null || _a === void 0 ? void 0 : _a.isConnected)) {
this.clear();
this.nextSibling = undefined;
}
_super.prototype.notifyPropertyChanged.call(this, propertyName);
};
SvgAnnotationBase.prototype.getSize = function () {
if (!this.svg)
return undefined;
var _a = this.getSvgDomRect(), width = _a.width, height = _a.height;
return { width: width, height: height };
};
return SvgAnnotationBase;
}(DomAnnotationBase_1.DomAnnotationBase));
exports.SvgAnnotationBase = SvgAnnotationBase;