@amcharts/amcharts5/.internal/charts/flow/ChordNonRibbon.js

amCharts 5

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 thin 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();
    }
    _prepareChildren() {
        // `linkType` is read in `_updateLink`, which the base runs in a pass gated
        // by chord-changed/radius/nodeWidth; force it when the setting changes.
        if (this.isDirty("linkType")) {
            this._sizeDirty = true;
        }
        super._prepareChildren();
    }
    _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) };
        }
    }
}
ChordNonRibbon.className = "ChordNonRibbon";
ChordNonRibbon.classNames = Chord.classNames.concat([ChordNonRibbon.className]);
//# sourceMappingURL=ChordNonRibbon.js.map