molstar
Version:
A comprehensive macromolecular library.
61 lines (60 loc) • 2.26 kB
JavaScript
/**
* Copyright (c) 2022-2024 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
import { Color } from '../../mol-util/color';
import { StructureElement, Bond, Structure } from '../../mol-model/structure';
import { ParamDefinition as PD } from '../../mol-util/param-definition';
import { getPaletteParams, getPalette } from '../../mol-util/color/palette';
import { ColorThemeCategory } from './categories';
const DefaultColor = Color(0xCCCCCC);
const Description = 'Gives every structure a unique color based on its index.';
export const StructureIndexColorThemeParams = {
...getPaletteParams({ type: 'colors', colorList: 'many-distinct' }),
};
export function getStructureIndexColorThemeParams(ctx) {
return PD.clone(StructureIndexColorThemeParams);
}
export function StructureIndexColorTheme(ctx, props) {
var _a;
let color;
let legend;
let contextHash = -1;
if (ctx.structure) {
const size = ((_a = Structure.MaxIndex.get(ctx.structure).value) !== null && _a !== void 0 ? _a : -1) + 1;
contextHash = size;
const palette = getPalette(size, props);
legend = palette.legend;
color = (location) => {
if (StructureElement.Location.is(location)) {
return palette.color(Structure.Index.get(location.structure).value || 0);
}
else if (Bond.isLocation(location)) {
return palette.color(Structure.Index.get(location.aStructure).value || 0);
}
return DefaultColor;
};
}
else {
color = () => DefaultColor;
}
return {
factory: StructureIndexColorTheme,
granularity: 'instance',
color,
props,
contextHash,
description: Description,
legend
};
}
export const StructureIndexColorThemeProvider = {
name: 'structure-index',
label: 'Structure Index',
category: ColorThemeCategory.Chain,
factory: StructureIndexColorTheme,
getParams: getStructureIndexColorThemeParams,
defaultValues: PD.getDefaultValues(StructureIndexColorThemeParams),
isApplicable: (ctx) => !!ctx.structure && ctx.structure.elementCount > 0
};