Class BarView

src/chart/bar/BarView.ts:98–676

class BarView extends ChartView {
    static readonly type = SERIES_TYPE_BAR;
    readonly type = SERIES_TYPE_BAR;

    private _data: SeriesData;

    private _isLargeDraw: boolean;

    private _isFirstFrame: boolean; // First frame after series added
    private _onRendered: EventCallback;

    private _backgroundGroup: Group;

    private _backgroundEls: (Rect | Sector)[];

    private _model: BarSeriesModel;

    private _progressiveEls: Element[];

    constructor() {
        super();
        this._isFirstFrame = true;
    }

    render(seriesModel: BarSeriesModel, ecModel: GlobalModel, api: ExtensionAPI, payload: Payload) {
        this._model = seriesModel;

        this._removeOnRenderedListener(api);

        this._updateDrawMode(seriesModel);

        const coordinateSystemType = seriesModel.get('coordinateSystem');

        if (coordinateSystemType === 'cartesian2d'
            || coordinateSystemType === 'polar'
        ) {
            // Clear previously rendered progressive elements.
            this._progressiveEls = null;

            this._isLargeDraw
                ? this._renderLarge(seriesModel, ecModel, api)
                : this._renderNormal(seriesModel, ecModel, api, payload);
        }
        else if (__DEV__) {
            warn('Only cartesian2d and polar supported for bar.');
        }
    }

    incrementalPrepareRender(seriesModel: BarSeriesModel): void {
        this._clear();
        this._updateDrawMode(seriesModel);
        // incremental also need to clip, otherwise might be overlow.
        // But must not set clip in each frame, otherwise all of the children will be marked redraw.
        this._updateLargeClip(seriesModel);
    }

    incrementalRender(params: StageHandlerProgressParams, seriesModel: BarSeriesModel): void {
        // Reset for eachRendered