biojs-vis-pdbviewer
Version:
A BioJS 2.0 component to view protein structures
52 lines (50 loc) • 2.05 kB
JavaScript
Clazz.declarePackage ("JM");
Clazz.load (["JM.Monomer"], "JM.CarbohydrateMonomer", ["J.c.STR"], function () {
c$ = Clazz.declareType (JM, "CarbohydrateMonomer", JM.Monomer);
Clazz.overrideConstructor (c$,
function () {
});
c$.validateAndAllocate = Clazz.defineMethod (c$, "validateAndAllocate",
function (chain, group3, seqcode, firstIndex, lastIndex) {
return new JM.CarbohydrateMonomer ().set2 (chain, group3, seqcode, firstIndex, lastIndex, JM.CarbohydrateMonomer.alphaOffsets);
}, "JM.Chain,~S,~N,~N,~N");
Clazz.overrideMethod (c$, "isCarbohydrate",
function () {
return true;
});
Clazz.overrideMethod (c$, "getProteinStructureType",
function () {
return J.c.STR.CARBOHYDRATE;
});
Clazz.overrideMethod (c$, "isConnectedAfter",
function (possiblyPreviousMonomer) {
if (possiblyPreviousMonomer == null) return true;
for (var i = this.firstAtomIndex; i <= this.lastAtomIndex; i++) for (var j = possiblyPreviousMonomer.firstAtomIndex; j <= possiblyPreviousMonomer.lastAtomIndex; j++) {
var a = this.chain.getAtom (i);
var b = this.chain.getAtom (j);
if (a.getElementNumber () + b.getElementNumber () == 14 && a.distanceSquared (b) < 3.24) return true;
}
return false;
}, "JM.Monomer");
Clazz.overrideMethod (c$, "findNearestAtomIndex",
function (x, y, closest, madBegin, madEnd) {
var competitor = closest[0];
var anomericO = this.getLeadAtom ();
var marBegin = (Clazz.doubleToInt (madBegin / 2));
if (marBegin < 1200) marBegin = 1200;
if (anomericO.sZ == 0) return;
var radiusBegin = Clazz.floatToInt (this.scaleToScreen (anomericO.sZ, marBegin));
if (radiusBegin < 4) radiusBegin = 4;
if (this.isCursorOnTopOf (anomericO, x, y, radiusBegin, competitor)) closest[0] = anomericO;
}, "~N,~N,~A,~N,~N");
Clazz.overrideMethod (c$, "isConnectedPrevious",
function () {
if (this.monomerIndex <= 0) return false;
for (var i = this.firstAtomIndex; i <= this.lastAtomIndex; i++) {
if (this.getCrossLink (i, null)) return true;
}
return false;
});
Clazz.defineStatics (c$,
"alphaOffsets", [0]);
});