Class Matrix

src/coord/matrix/Matrix.ts:55–318

class Matrix implements CoordinateSystem, CoordinateSystemMaster {

    static readonly dimensions = ['x', 'y', 'value'];
    /**
     * @see fetchers in `model/referHelper.ts`,
     * which is used to parse data in ordinal way.
     * In most series only 'x' and 'y' is required,
     * but some series, such as heatmap, can specify value.
     */
    static getDimensionsInfo() {
        return [
            {name: 'x', type: 'ordinal' as const},
            {name: 'y', type: 'ordinal' as const},
            {name: 'value'},
        ];
    }

    readonly dimensions = Matrix.dimensions;
    readonly type = 'matrix';

    private _model: MatrixModel;
    private _dimModels: {
        x: MatrixDimensionModel;
        y: MatrixDimensionModel;
    };
    private _dims: MatrixDimPair;

    private _rect: LayoutRect;

    static create(ecModel: GlobalModel, api: ExtensionAPI) {
        const matrixList: Matrix[] = [];

        ecModel.eachComponent('matrix', function (matrixModel: MatrixModel) {
            const matrix = new Matrix(matrixModel, ecModel, api);
            matrixList.push(matrix);
            matrixModel.coordinateSystem = matrix;
        });

        // Inject coordinate system
        // PENDING: optimize to not to travel all components?
        //  (collect relevant components in ecModel only when model update?)
        ecModel.eachComponent((mainType, componentModel) => {
            injectCoordSysByOption({
                targetModel: componentModel,
                coordSysType: 'matrix',
                coordSysProvider: simpleCoordSysInjectionProvider,
            });
        });

        return matrixList;
    }

    constructor(matrixModel: MatrixModel, ecModel: GlobalModel, api: ExtensionAPI) {
        this._model = matrixModel;
        const models = this._dimModels = {
            x: matrixModel.getDimensionModel('x'),
            y: matrixModel.getDimensionModel('y'),
        };