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import { Graphics } from "../../core/render/Graphics";
/**
* Draws a link between nodes in a hierarchy series.
*/
export class HierarchyLink extends Graphics {
_changed() {
super._changed();
if (this._clear) {
let source = this.get("source");
let target = this.get("target");
if (source && target) {
const sourceNode = source.get("node");
const targetNode = target.get("node");
this._display.moveTo(sourceNode.x(), sourceNode.y());
this._display.lineTo(targetNode.x(), targetNode.y());
}
}
}
_beforeChanged() {
super._beforeChanged();
if (this.isDirty("source")) {
const source = this.get("source");
if (source) {
const sourceNode = source.get("node");
sourceNode.events.on("positionchanged", () => {
this._markDirtyKey("stroke");
});
}
}
if (this.isDirty("target")) {
const target = this.get("target");
if (target) {
const targetNode = target.get("node");
targetNode.events.on("positionchanged", () => {
this._markDirtyKey("stroke");
});
}
}
}
}
Object.defineProperty(HierarchyLink, "className", {
enumerable: true,
configurable: true,
writable: true,
value: "HierarchyLink"
});
Object.defineProperty(HierarchyLink, "classNames", {
enumerable: true,
configurable: true,
writable: true,
value: Graphics.classNames.concat([HierarchyLink.className])
});
//# sourceMappingURL=HierarchyLink.js.map