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import { Chord } from "./Chord";
import * as $array from "../../core/util/Array";
import * as $math from "../../core/util/Math";
import * as $utils from "../../core/util/Utils";
/**
* Chord series with think line links.
*
* @see {@link https://www.amcharts.com/docs/v5/charts/flow-charts/} for more information
* @important
*/
export class ChordNonRibbon extends Chord {
_afterNew() {
this._settings.themeTags = $utils.mergeTags(this._settings.themeTags, ["chord", "basic"]);
super._afterNew();
}
_makeMatrix() {
const matrix = [];
$array.each(this.nodes.dataItems, (sourceDataItem) => {
const group = [];
matrix.push(group);
$array.each(this.nodes.dataItems, (targetDataItem) => {
let value = 1;
if (sourceDataItem === targetDataItem) {
value = 0;
}
group.push(value);
});
});
return matrix;
}
_updateLink(_ribbon, link, _linkRadius, chordLayoutItem) {
link._type = this.get("linkType");
if (chordLayoutItem) {
const linkType = this.get("linkType");
link.set("draw", (display) => {
let p0 = link._p0;
let p1 = link._p1;
if (p0 && p1) {
display.moveTo(p0.x, p0.y);
if (linkType == "line") {
display.lineTo(p1.x, p1.y);
}
else {
display.quadraticCurveTo(0, 0, p1.x, p1.y);
}
}
});
}
}
_getLinkPoints(link, linkRadius, _chordLayoutItem) {
const source = link.get("source");
const target = link.get("target");
if (source && target) {
const sourceSlice = source.get("slice");
const targetSlice = target.get("slice");
const startAngle0 = sourceSlice.get("startAngle", 0);
const arc0 = sourceSlice.get("arc", 0);
const angle0 = startAngle0 + arc0 / 2;
const startAngle1 = targetSlice.get("startAngle", 0);
const arc1 = targetSlice.get("arc", 0);
const angle1 = startAngle1 + arc1 / 2;
link._p0 = { x: linkRadius * $math.cos(angle0), y: linkRadius * $math.sin(angle0) };
link._p1 = { x: linkRadius * $math.cos(angle1), y: linkRadius * $math.sin(angle1) };
}
}
}
Object.defineProperty(ChordNonRibbon, "className", {
enumerable: true,
configurable: true,
writable: true,
value: "ChordNonRibbon"
});
Object.defineProperty(ChordNonRibbon, "classNames", {
enumerable: true,
configurable: true,
writable: true,
value: Chord.classNames.concat([ChordNonRibbon.className])
});
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