Function getSelectedColorMap

packages/sanddance/src/colorCubes.ts:14–37

(currentData: object[], showSelectedData: boolean, showActive: boolean, viewerOptions: ViewerOptions)

import { GL_ORDINAL } from './constants';

export function getSelectedColorMap(currentData: object[], showSelectedData: boolean, showActive: boolean, viewerOptions: ViewerOptions) {
    function getSelectionColorItem(datum: object) {
        let item: ColorMappedItem;
        if (showSelectedData) {
            item = datum[FieldNames.Selected] ?
                { color: VegaDeckGl.util.colorFromString(viewerOptions.colors.selectedCube) }
                :
                { unSelected: true };
        }
        if (showActive && datum[FieldNames.Active]) {
            item = { color: VegaDeckGl.util.colorFromString(viewerOptions.colors.activeCube) };
        }
        return item;
    }
    const colorMap: ColorMap = {};
    currentData.forEach(datum => {
        const selectionColor = getSelectionColorItem(datum);
        if (selectionColor) {
            const ordinal = datum[GL_ORDINAL];
            colorMap[ordinal] = selectionColor;
        }
    });
    return colorMap;
}

export function colorMapFromCubes(cubes: VegaDeckGl.types.Cube[]) {
    const map: ColorMap = {};