molstar
Version:
A comprehensive macromolecular library.
79 lines (78 loc) • 2.75 kB
JavaScript
/**
* Copyright (c) 2017 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author David Sehnal <david.sehnal@gmail.com>
*/
import { StructureElement, Structure } from '../../structure';
import { StructureSelection } from '../selection';
import { HashSet } from '../../../../mol-data/generic';
import { structureUnion } from './structure-set';
export class UniqueStructuresBuilder {
add(s) {
if (!s.elementCount)
return;
if (s.elementCount !== 1)
this.allSingletons = false;
if (this.set.add(s)) {
this.structures[this.structures.length] = s;
}
}
getSelection() {
if (this.allSingletons)
return StructureSelection.Singletons(this.source, structureUnion(this.source, this.structures));
return StructureSelection.Sequence(this.source, this.structures);
}
constructor(source) {
this.source = source;
this.set = HashSet(Structure.hashCode, Structure.areUnitIdsAndIndicesEqual);
this.structures = [];
this.allSingletons = true;
}
}
export class LinearGroupingBuilder {
add(key, unit, element) {
let b = this.builderMap.get(key);
if (!b) {
b = this.source.subsetBuilder(true);
this.builders[this.builders.length] = b;
this.builderMap.set(key, b);
}
b.addToUnit(unit, element);
}
allSingletons() {
for (let i = 0, _i = this.builders.length; i < _i; i++) {
if (this.builders[i].elementCount > 1)
return false;
}
return true;
}
singletonSelection() {
const builder = this.source.subsetBuilder(true);
const loc = StructureElement.Location.create(this.source);
for (let i = 0, _i = this.builders.length; i < _i; i++) {
this.builders[i].setSingletonLocation(loc);
builder.addToUnit(loc.unit.id, loc.element);
}
return StructureSelection.Singletons(this.source, builder.getStructure());
}
fullSelection() {
const structures = new Array(this.builders.length);
for (let i = 0, _i = this.builders.length; i < _i; i++) {
structures[i] = this.builders[i].getStructure();
}
return StructureSelection.Sequence(this.source, structures);
}
getSelection() {
const len = this.builders.length;
if (len === 0)
return StructureSelection.Empty(this.source);
if (this.allSingletons())
return this.singletonSelection();
return this.fullSelection();
}
constructor(source) {
this.source = source;
this.builders = [];
this.builderMap = new Map();
}
}