Ext js

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if(totalGap>0){

var subtreeAux=node,numSubtrees=0;

for(;subtreeAux1=null && subtreeAux!=leftAncestor;

subtreeAux =subtreeAux.previouseSibling)

numSubtrees++;

if(subtreeAux!=null){

var subtreeMoveAux=node;

var singleGap=totalGap/numSubtrees;

for(;subtreeMoveAux!=leftAncestor;

subtreeMoveAux=subtreeMoveAux.previousSibling){

subtreeMoveAux.prelim+=totalGap;

subtreeMoveAux.modifier+=totalGap;

totalGap-=singleGap;}}}

apportion:function(tree,node,level,prelim){

var firstChild=node.firstChild;

var firstChildLeftNeighbor=fristChild.leftNeighbor;

var j=1;

for (var k=this.iMaxDepth-level;firstChild!=null&& j<=k;){

var modifierSumRight=0,modifierSumLeft=0;

var rightAncestor=firstChild;

var leftAncestor=firstChildLeftNeighbor;

for(var l=0; l<j;l++){

if(rightAncestor)rightAncestor=rightAncestor.parentNode;

if(leftAncestor) leftAncestor=leftAncestor.parentNode;

if(rightAncestor) modifierSumRight=rightAncestor.modifier||0;

if(leftAncestor) modifierSumLeft=leftAncestor.modifier||0;}

var nbprelim=firstChildLeftNeighbor?firstChildLeftNeighbor:prelim:0;

var fcprelim=nbprelim+modifierSumleft+

this.getNodeSize(firstChildLeftNeighbor)+this.iSubtreeSeparation;

var totalGap=fcprelim-(firstChild.prelim+modifierSumRight);

if(totalGap>0)

if(!firstChildLeftNeighbor&&firstChild.parentNode.modifier<0)

firstChild.parentNode.modifier=0;

j++;

if(firstChild.getChildrenCount()==0)firstChild=this.getLeftMost(node,0,j);

else firstChild=firstChild.firstChild;

if(firstChild!=null)firstChildLeftNeighbor=firstChild.LeftNeighbor;}}