Function overallReset

src/visual/style.ts:177–224

(ecModel)

const dataColorPaletteTask: StageHandler = {
    performRawSeries: true,
    overallReset(ecModel) {
        // Each type of series uses one scope.
        // Pie and funnel are using different scopes.
        const paletteScopeGroupByType = createHashMap<object>();
        ecModel.eachSeries((seriesModel: SeriesModel) => {
            if (!seriesModel.isColorBySeries()) {
                const key = seriesModel.type + '-' + seriesModel.getColorBy();
                inner(seriesModel).scope = paletteScopeGroupByType.get(key)
                    || paletteScopeGroupByType.set(key, {});
            }
        });

        ecModel.eachSeries((seriesModel: SeriesModel) => {
            if (seriesModel.isColorBySeries()) {
                return;
            }

            const dataAll = seriesModel.getRawData();
            const idxMap: Dictionary<number> = {};
            const data = seriesModel.getData();
            const colorScope = inner(seriesModel).scope;

            const stylePath = seriesModel.visualStyleAccessPath || 'itemStyle';
            const colorKey = getDefaultColorKey(seriesModel, stylePath);

            data.each(function (idx) {
                const rawIdx = data.getRawIndex(idx);
                idxMap[rawIdx] = idx;
            });

            // Iterate on data before filtered. To make sure color from palette can be
            // Consistent when toggling legend.
            dataAll.each(function (rawIdx) {
                const idx = idxMap[rawIdx];
                const fromPalette = data.getItemVisual(idx, 'colorFromPalette');
                // Get color from palette for each data only when the color is inherited from series color, which is
                // also picked from color palette. So following situation is not in the case:
                // 1. series.itemStyle.color is set
                // 2. color is encoded by visualMap
                if (fromPalette) {
                    const itemStyle = data.ensureUniqueItemVisual(idx, 'style');
                    const name = dataAll.getName(rawIdx) || (rawIdx + '');
                    const dataCount = dataAll.count();
                    itemStyle[colorKey] = seriesModel.getColorFromPalette(name, colorScope, dataCount);
                }
            });
        });
    }
};

export {