molstar
Version:
A comprehensive macromolecular library.
66 lines (65 loc) • 2.48 kB
JavaScript
/**
* Copyright (c) 2025 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
import { Color } from '../../mol-util/color/index.js';
import { ParamDefinition as PD } from '../../mol-util/param-definition.js';
import { getPaletteParams, getPalette } from '../../mol-util/color/palette.js';
import { ColorLists, getColorListFromName } from '../../mol-util/color/lists.js';
import { ColorThemeCategory } from './categories.js';
import { Volume } from '../../mol-model/volume/volume.js';
const DefaultList = 'dark-2';
const DefaultColor = Color(0xCCCCCC);
const Description = 'Gives every volume instance a unique color based on the position (index) of the instance in the list of instances of the volume.';
export const VolumeInstanceColorThemeParams = {
...getPaletteParams({ type: 'colors', colorList: DefaultList }),
};
export function getVolumeInstanceColorThemeParams(ctx) {
const params = PD.clone(VolumeInstanceColorThemeParams);
if (ctx.volume) {
if (ctx.volume.instances.length > ColorLists[DefaultList].list.length) {
params.palette.defaultValue.name = 'colors';
params.palette.defaultValue.params = {
...params.palette.defaultValue.params,
list: { kind: 'interpolate', colors: getColorListFromName(DefaultList).list }
};
}
}
return params;
}
export function VolumeInstanceColorTheme(ctx, props) {
let color;
let legend;
if (ctx.volume) {
const palette = getPalette(ctx.volume.instances.length, props);
legend = palette.legend;
const isLocation = Volume.Cell.isLocation;
color = (location) => {
if (isLocation(location)) {
return palette.color(location.instance);
}
return DefaultColor;
};
}
else {
color = () => DefaultColor;
}
return {
factory: VolumeInstanceColorTheme,
granularity: 'instance',
color,
props,
description: Description,
legend
};
}
export const VolumeInstanceColorThemeProvider = {
name: 'volume-instance',
label: 'Volume Instance',
category: ColorThemeCategory.Misc,
factory: VolumeInstanceColorTheme,
getParams: getVolumeInstanceColorThemeParams,
defaultValues: PD.getDefaultValues(VolumeInstanceColorThemeParams),
isApplicable: (ctx) => !!ctx.volume
};