@visactor/vgrammar-core/es/view/component.js

VGrammar is a visual grammar library

import { DefaultKey } from "../graph/constants";

import { GrammarMarkType, HOOK_EVENT } from "../graph/enums";

import { Factory } from "../core/factory";

import { Mark } from "./mark";

export class Component extends Mark {
    constructor(view, componentType, group, mode) {
        super(view, GrammarMarkType.component, group), this._componentDatum = {
            [DefaultKey]: 0
        }, this.componentType = componentType, this.spec.type = "component", this.spec.componentType = componentType, 
        this.mode = mode, this._updateComponentEncoders();
    }
    configureComponent(config) {
        return this.spec.componentConfig = config, this.commit(), this;
    }
    addGraphicItem(attrs, groupKey, newGraphicItem) {
        const graphicItem = null != newGraphicItem ? newGraphicItem : Factory.createGraphicComponent(this.componentType, attrs, {
            mode: this.mode,
            skipDefault: this.spec.skipTheme
        });
        return graphicItem && (this.emit(HOOK_EVENT.BEFORE_ADD_VRENDER_MARK, {
            graphicItem: graphicItem
        }), this.graphicParent.appendChild(graphicItem), this.emit(HOOK_EVENT.AFTER_ADD_VRENDER_MARK, {
            graphicItem: graphicItem
        })), graphicItem;
    }
    join(data) {
        return super.join(data, DefaultKey);
    }
    encodeState(state, channel, value) {
        return super.encodeState(state, channel, value), this._updateComponentEncoders(), 
        this;
    }
    parseRenderContext() {
        return {
            large: !1
        };
    }
    _prepareRejoin() {
        this._componentDatum[DefaultKey] += 1;
    }
    evaluateJoin(data) {
        return this.spec.key = DefaultKey, data ? (data[DefaultKey] = this._componentDatum[DefaultKey], 
        this._componentDatum = data) : this._componentDatum = {
            [DefaultKey]: this._componentDatum[DefaultKey]
        }, super.evaluateJoin([ this._componentDatum ]);
    }
    _updateComponentEncoders() {
        this._encoders = this.spec.encode;
    }
    _getEncoders() {
        var _a;
        return null !== (_a = this._encoders) && void 0 !== _a ? _a : {};
    }
}
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