molstar
Version:
A comprehensive macromolecular library.
70 lines • 3.2 kB
JavaScript
/**
* Copyright (c) 2018-2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
import { __assign } from "tslib";
import { Color } from '../../mol-util/color';
import { StructureElement, Bond } from '../../mol-model/structure';
import { OrderedSet } from '../../mol-data/int';
import { ParamDefinition as PD } from '../../mol-util/param-definition';
import { getPaletteParams, getPalette } from '../../mol-util/color/palette';
var DefaultColor = Color(0xCCCCCC);
var Description = 'Gives every element (atom or coarse sphere/gaussian) a unique color based on the position (index) of the element in the list of elements in the structure.';
export var ElementIndexColorThemeParams = __assign({}, getPaletteParams({ type: 'colors', colorList: 'red-yellow-blue' }));
export function getElementIndexColorThemeParams(ctx) {
return ElementIndexColorThemeParams; // TODO return copy
}
export function ElementIndexColorTheme(ctx, props) {
var color;
var legend;
if (ctx.structure) {
var units_1 = ctx.structure.root.units;
var unitCount = units_1.length;
var cummulativeElementCount_1 = new Map();
var unitIdIndex_1 = new Map();
var elementCount = 0;
for (var i = 0; i < unitCount; ++i) {
cummulativeElementCount_1.set(i, elementCount);
elementCount += units_1[i].elements.length;
unitIdIndex_1.set(units_1[i].id, i);
}
var palette_1 = getPalette(elementCount, props);
legend = palette_1.legend;
color = function (location) {
if (StructureElement.Location.is(location)) {
var unitIndex = unitIdIndex_1.get(location.unit.id);
var unitElementIndex = OrderedSet.findPredecessorIndex(units_1[unitIndex].elements, location.element);
return palette_1.color(cummulativeElementCount_1.get(unitIndex) + unitElementIndex);
}
else if (Bond.isLocation(location)) {
var unitIndex = unitIdIndex_1.get(location.aUnit.id);
var unitElementIndex = OrderedSet.findPredecessorIndex(units_1[unitIndex].elements, location.aUnit.elements[location.aIndex]);
return palette_1.color(cummulativeElementCount_1.get(unitIndex) + unitElementIndex);
}
return DefaultColor;
};
}
else {
color = function () { return DefaultColor; };
}
return {
factory: ElementIndexColorTheme,
granularity: 'groupInstance',
preferSmoothing: true,
color: color,
props: props,
description: Description,
legend: legend
};
}
export var ElementIndexColorThemeProvider = {
name: 'element-index',
label: 'Element Index',
category: "Atom Property" /* Atom */,
factory: ElementIndexColorTheme,
getParams: getElementIndexColorThemeParams,
defaultValues: PD.getDefaultValues(ElementIndexColorThemeParams),
isApplicable: function (ctx) { return !!ctx.structure; }
};
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