molstar
Version:
A comprehensive macromolecular library.
91 lines (90 loc) • 3.64 kB
JavaScript
;
/**
* Copyright (c) 2018-2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.PolymerIndexColorThemeProvider = exports.PolymerIndexColorThemeParams = void 0;
exports.getPolymerIndexColorThemeParams = getPolymerIndexColorThemeParams;
exports.PolymerIndexColorTheme = PolymerIndexColorTheme;
const color_1 = require("../../mol-util/color");
const structure_1 = require("../../mol-model/structure");
const param_definition_1 = require("../../mol-util/param-definition");
const palette_1 = require("../../mol-util/color/palette");
const lists_1 = require("../../mol-util/color/lists");
const categories_1 = require("./categories");
const DefaultList = 'dark-2';
const DefaultColor = (0, color_1.Color)(0xCCCCCC);
const Description = 'Gives every polymer chain instance a unique color based on the position (index) of the polymer in the list of polymers in the structure.';
exports.PolymerIndexColorThemeParams = {
...(0, palette_1.getPaletteParams)({ type: 'colors', colorList: DefaultList }),
};
function getPolymerIndexColorThemeParams(ctx) {
const params = param_definition_1.ParamDefinition.clone(exports.PolymerIndexColorThemeParams);
if (ctx.structure) {
if (getPolymerChainCount(ctx.structure.root) > lists_1.ColorLists[DefaultList].list.length) {
params.palette.defaultValue.name = 'colors';
params.palette.defaultValue.params = {
...params.palette.defaultValue.params,
list: { kind: 'interpolate', colors: (0, lists_1.getColorListFromName)(DefaultList).list }
};
}
}
return params;
}
function getPolymerChainCount(structure) {
let polymerChainCount = 0;
const { units } = structure;
for (let i = 0, il = units.length; i < il; ++i) {
if (units[i].polymerElements.length > 0)
++polymerChainCount;
}
return polymerChainCount;
}
function PolymerIndexColorTheme(ctx, props) {
let color;
let legend;
if (ctx.structure) {
const palette = (0, palette_1.getPalette)(getPolymerChainCount(ctx.structure.root), props);
legend = palette.legend;
const { units } = ctx.structure.root;
const unitIdColor = new Map();
for (let i = 0, j = 0, il = units.length; i < il; ++i) {
if (units[i].polymerElements.length > 0) {
unitIdColor.set(units[i].id, palette.color(j));
++j;
}
}
color = (location) => {
let color;
if (structure_1.StructureElement.Location.is(location)) {
color = unitIdColor.get(location.unit.id);
}
else if (structure_1.Bond.isLocation(location)) {
color = unitIdColor.get(location.aUnit.id);
}
return color !== undefined ? color : DefaultColor;
};
}
else {
color = () => DefaultColor;
}
return {
factory: PolymerIndexColorTheme,
granularity: 'instance',
color,
props,
description: Description,
legend
};
}
exports.PolymerIndexColorThemeProvider = {
name: 'polymer-index',
label: 'Polymer Chain Instance',
category: categories_1.ColorThemeCategory.Chain,
factory: PolymerIndexColorTheme,
getParams: getPolymerIndexColorThemeParams,
defaultValues: param_definition_1.ParamDefinition.getDefaultValues(exports.PolymerIndexColorThemeParams),
isApplicable: (ctx) => !!ctx.structure
};