diff --git a/cytoscape.3.4.0-snapshot.umd.js b/cytoscape.3.4.0-snapshot.umd.js
deleted file mode 100644
index a9bd491..0000000
--- a/cytoscape.3.4.0-snapshot.umd.js
+++ /dev/null
@@ -1,23 +0,0 @@
-/**
- * Copyright (c) 2016-2019, The Cytoscape Consortium.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the “Software”), to deal in
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is furnished to do
- * so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
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S=o.collection(),D=0;D<u.length;D++){var T=u[D],P=c[T.id()];null!=P&&S.merge(P),S.merge(T)}return{path:o.collection(S),found:o.collection(a)}}},Oe={breadthFirstSearch:Le({bfs:!0}),depthFirstSearch:Le({dfs:!0})};Oe.bfs=Oe.breadthFirstSearch,Oe.dfs=Oe.depthFirstSearch;var Re=function(e,t){return e(t={exports:{}},t.exports),t.exports}(function(e,t){(function(){var t,n,r,i,a,o,s,l,u,c,h,d,p,f,g;r=Math.floor,c=Math.min,n=function(e,t){return e<t?-1:e>t?1:0},u=function(e,t,i,a,o){var s;if(null==i&&(i=0),null==o&&(o=n),i<0)throw new Error("lo must be non-negative");for(null==a&&(a=e.length);i<a;)o(t,e[s=r((i+a)/2)])<0?a=s:i=s+1;return[].splice.apply(e,[i,i-i].concat(t)),t},o=function(e,t,r){return null==r&&(r=n),e.push(t),f(e,0,e.length-1,r)},a=function(e,t){var r,i;return null==t&&(t=n),r=e.pop(),e.length?(i=e[0],e[0]=r,g(e,0,t)):i=r,i},l=function(e,t,r){var i;return null==r&&(r=n),i=e[0],e[0]=t,g(e,0,r),i},s=function(e,t,r){var i;return 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T=d[D],P=t[D];T===S?k.merge(P):C.merge(P)}return{cut:E,partition1:k,partition2:C}}we("At least 2 nodes are required for Karger-Stein algorithm")}},Qe=function(e,t,n){return{x:e.x*t+n.x,y:e.y*t+n.y}},Je=function(e,t,n){return{x:(e.x-n.x)/t,y:(e.y-n.y)/t}},et=function(e){return{x:e[0],y:e[1]}},tt=function(e,t){return Math.atan2(t,e)-Math.PI/2},nt=Math.log2||function(e){return Math.log(e)/Math.log(2)},rt=function(e,t){return Math.sqrt(it(e,t))},it=function(e,t){var n=t.x-e.x,r=t.y-e.y;return n*n+r*r},at=function(e){for(var t=e.length,n=0,r=0;r<t;r++)n+=e[r];for(var i=0;i<t;i++)e[i]=e[i]/n;return e},ot=function(e,t,n,r){return(1-r)*(1-r)*e+2*(1-r)*r*t+r*r*n},st=function(e,t,n,r){return{x:ot(e.x,t.x,n.x,r),y:ot(e.y,t.y,n.y,r)}},lt=function(e,t,n){return 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f=s.allpts;t=r-ot(f[0],f[2],f[4],.1),n=i-ot(f[1],f[3],f[5],.1)}else t=r-g,n=i-v;s.srcArrowAngle=tt(t,n);var g=s.midX,v=s.midY;if(l&&(g=(r+a)/2,v=(i+o)/2),t=a-r,n=o-i,h)if((f=s.allpts).length/2%2==0){var y=(m=f.length/2)-2;t=f[m]-f[y],n=f[m+1]-f[y+1]}else{y=(m=f.length/2-1)-2;var m,b=m+2;t=f[m]-f[y],n=f[m+1]-f[y+1]}else if(c||d||p){var x,w,E,k,f=s.allpts;if(s.ctrlpts.length/2%2==0){var C=(S=(D=f.length/2-1)+2)+2;x=ot(f[D],f[S],f[C],0),w=ot(f[D+1],f[S+1],f[C+1],0),E=ot(f[D],f[S],f[C],1e-4),k=ot(f[D+1],f[S+1],f[C+1],1e-4)}else{var S,D;C=(S=f.length/2-1)+2;x=ot(f[D=S-2],f[S],f[C],.4999),w=ot(f[D+1],f[S+1],f[C+1],.4999),E=ot(f[D],f[S],f[C],.5),k=ot(f[D+1],f[S+1],f[C+1],.5)}t=E-x,n=k-w}(s.midtgtArrowAngle=tt(t,n),s.midDispX=t,s.midDispY=n,t*=-1,n*=-1,h)&&((f=s.allpts).length/2%2==0||(t=-(f[b=(m=f.length/2-1)+2]-f[m]),n=-(f[b+1]-f[m+1])));if(s.midsrcArrowAngle=tt(t,n),h)t=a-s.segpts[s.segpts.length-2],n=o-s.segpts[s.segpts.length-1];else if(c||d||p||u){var T=(f=s.allpts).length;t=a-ot(f[T-6],f[T-4],f[T-2],.9),n=o-ot(f[T-5],f[T-3],f[T-1],.9)}else t=a-g,n=o-v;s.tgtArrowAngle=tt(t,n)}};bo.getArrowWidth=bo.getArrowHeight=function(e,t){var n=this.arrowWidthCache=this.arrowWidthCache||{},r=n[e+", "+t];return r||(r=Math.max(Math.pow(13.37*e,.9),29)*t,n[e+", "+t]=r,r)};var xo={};function wo(e){var t=[];if(null!=e){for(var n=0;n<e.length;n+=2){var r=e[n],i=e[n+1];t.push({x:r,y:i})}return t}}xo.findHaystackPoints=function(e){for(var t=0;t<e.length;t++){var n=e[t],r=n._private,i=r.rscratch;if(!i.haystack){var a=2*Math.random()*Math.PI;i.source={x:Math.cos(a),y:Math.sin(a)};a=2*Math.random()*Math.PI;i.target={x:Math.cos(a),y:Math.sin(a)}}var o=r.source,s=r.target,l=o.position(),u=s.position(),c=o.width(),h=s.width(),d=o.height(),p=s.height(),f=n.pstyle("haystack-radius").value/2;i.haystackPts=i.allpts=[i.source.x*c*f+l.x,i.source.y*d*f+l.y,i.target.x*h*f+u.x,i.target.y*p*f+u.y],i.midX=(i.allpts[0]+i.allpts[2])/2,i.midY=(i.allpts[1]+i.allpts[3])/2,i.edgeType=i.lastCurveStyle="haystack",i.haystack=!0,this.storeEdgeProjections(n),this.calculateArrowAngles(n),this.recalculateEdgeLabelProjections(n),this.calculateLabelAngles(n)}},xo.storeAllpts=function(e){var t=e._private.rscratch;if("multibezier"===t.edgeType||"bezier"===t.edgeType||"self"===t.edgeType||"compound"===t.edgeType){t.allpts=[],t.allpts.push(t.startX,t.startY);for(var n=0;n+1<t.ctrlpts.length;n+=2)t.allpts.push(t.ctrlpts[n],t.ctrlpts[n+1]),n+3<t.ctrlpts.length&&t.allpts.push((t.ctrlpts[n]+t.ctrlpts[n+2])/2,(t.ctrlpts[n+1]+t.ctrlpts[n+3])/2);var r;t.allpts.push(t.endX,t.endY),t.ctrlpts.length/2%2==0?(r=t.allpts.length/2-1,t.midX=t.allpts[r],t.midY=t.allpts[r+1]):(r=t.allpts.length/2-3,.5,t.midX=ot(t.allpts[r],t.allpts[r+2],t.allpts[r+4],.5),t.midY=ot(t.allpts[r+1],t.allpts[r+3],t.allpts[r+5],.5))}else if("straight"===t.edgeType)t.allpts=[t.startX,t.startY,t.endX,t.endY],t.midX=(t.startX+t.endX+t.arrowStartX+t.arrowEndX)/4,t.midY=(t.startY+t.endY+t.arrowStartY+t.arrowEndY)/4;else if("segments"===t.edgeType)if(t.allpts=[],t.allpts.push(t.startX,t.startY),t.allpts.push.apply(t.allpts,t.segpts),t.allpts.push(t.endX,t.endY),t.segpts.length%4==0){var i=t.segpts.length/2,a=i-2;t.midX=(t.segpts[a]+t.segpts[i])/2,t.midY=(t.segpts[a+1]+t.segpts[i+1])/2}else{a=t.segpts.length/2-1;t.midX=t.segpts[a],t.midY=t.segpts[a+1]}},xo.checkForInvalidEdgeWarning=function(e){var t=e._private.rscratch;v(t.startX)&&v(t.startY)&&v(t.endX)&&v(t.endY)?t.loggedErr=!1:t.loggedErr||(t.loggedErr=!0,Ee("Edge `"+e.id()+"` has invalid endpoints and so it is impossible to draw.  Adjust your edge style (e.g. control points) accordingly or use an alternative edge type.  This is expected behaviour when the source node and the target node overlap."))},xo.findEdgeControlPoints=function(e){if(e&&0!==e.length){for(var t,n,r,i,a,o,s,l,u,c,h,d,p,f,g=this,y=g.cy.hasCompoundNodes(),m={},b=[],x=[],w=0;w<e.length;w++){var E=(M=e[w])._private.data,k="unbundled-bezier"===(j=M.pstyle("curve-style").value)||"segments"===j||"straight"===j,C="unbundled-bezier"===j||"bezier"===j;if("none"!==M.pstyle("display").value)if("haystack"!==j){var S=E.source,D=E.target;t=S>D?D+"$-$"+S:S+"$-$"+D,k&&(t="unbundled$-$"+E.id);var T=m[t];null==T&&(T=m[t]=[],b.push(t)),T.push(M),k&&(T.hasUnbundled=!0),C&&(T.hasBezier=!0)}else x.push(M)}for(var P=0;P<b.length;P++){var M,_,B=m[t=b[P]];if(!B.hasUnbundled){var N=B[0].parallelEdges();Me(B),N.forEach(function(e){return B.push(e)}),B.sort(function(e,t){return e.poolIndex()-t.poolIndex()})}if(n=B[0]._private.source,r=B[0]._private.target,!B.hasUnbundled&&n.id()>r.id()){var I=n;n=r,r=I}i=n.position(),a=r.position(),o=n.outerWidth(),s=n.outerHeight(),l=r.outerWidth(),u=r.outerHeight(),c=g.nodeShapes[this.getNodeShape(n)],h=g.nodeShapes[this.getNodeShape(r)],p=!1;var A={north:0,west:0,south:0,east:0,northwest:0,southwest:0,northeast:0,southeast:0},z=i.x,L=i.y,O=o,R=s,F=a.x,V=a.y,q=l,Y=u,X=B.length;for(w=0;w<B.length;w++){var j,W,H=(_=(M=B[w])._private.rscratch).lastEdgeIndex,K=w,G=_.lastNumEdges,Z=(k="unbundled-bezier"===(j=M.pstyle("curve-style").value)||"segments"===j,n.id()!==M.source().id()),U=M.pstyle("control-point-distances"),$=M.pstyle("loop-direction").pfValue,Q=M.pstyle("loop-sweep").pfValue,J=M.pstyle("control-point-weights"),ee=U&&J?Math.min(U.value.length,J.value.length):1,te=M.pstyle("control-point-step-size").pfValue,ne=U?U.pfValue[0]:void 0,re=J.value[0],ie=M.pstyle("edge-distances").value,ae=M.pstyle("source-distance-from-node").pfValue,oe=M.pstyle("target-distance-from-node").pfValue,se=M.pstyle("segment-weights"),le=M.pstyle("segment-distances"),ue=Math.min(se.pfValue.length,le.pfValue.length),ce=M.pstyle("source-endpoint").value,he=M.pstyle("target-endpoint").value,de=M.pstyle("source-arrow-shape").value,pe=M.pstyle("target-arrow-shape").value,fe=M.pstyle("arrow-scale").value,ge=M.pstyle("width").pfValue,ve=_.lastSrcCtlPtX,ye=_.lastSrcCtlPtY,me=_.lastSrcCtlPtW,be=_.lastSrcCtlPtH,xe=_.lastTgtCtlPtX,we=_.lastTgtCtlPtY,Ee=_.lastTgtCtlPtW,ke=_.lastTgtCtlPtH,Ce=_.lastCurveStyle,Se=j,De=_.lastCtrlptDists,Te=U?U.strValue:null,Pe=_.lastCtrlptWs,_e=J.strValue,Be=_.lastSegmentWs,Ne=se.strValue,Ie=_.lastSegmentDs,Ae=le.strValue,ze=_.lastStepSize,Le=te,Oe=_.lastLoopDir,Re=$,Fe=_.lastLoopSwp,Ve=Q,qe=_.lastEdgeDistances,Ye=ie,Xe=_.lastSrcDistFNode,je=ae,We=_.lastTgtDistFNode,He=oe,Ke=_.lastSrcEndpt,Ge=ce,Ze=_.lastTgtEndpt,Ue=he,$e=_.lastSrcArr,Qe=de,Je=_.lastTgtArr,et=pe,tt=_.lastLineW,nt=ge,it=_.lastArrScl,at=fe;if(_.badBezier=!!p,ve===z&&ye===L&&me===O&&be===R&&xe===F&&we===V&&Ee===q&&ke===Y&&Ce===Se&&De===Te&&Pe===_e&&Be===Ne&&Ie===Ae&&ze===Le&&Oe===Re&&Fe===Ve&&qe===Ye&&Xe===je&&We===He&&Ke===Ge&&Ze===Ue&&$e===Qe&&Je===et&&tt===nt&&it===at&&(H===K&&G===X||k)?W=!0:(W=!1,_.lastSrcCtlPtX=z,_.lastSrcCtlPtY=L,_.lastSrcCtlPtW=O,_.lastSrcCtlPtH=R,_.lastTgtCtlPtX=F,_.lastTgtCtlPtY=V,_.lastTgtCtlPtW=q,_.lastTgtCtlPtH=Y,_.lastEdgeIndex=K,_.lastNumEdges=X,_.lastCurveStyle=Se,_.lastCtrlptDists=Te,_.lastCtrlptWs=_e,_.lastSegmentDs=Ae,_.lastSegmentWs=Ne,_.lastStepSize=Le,_.lastLoopDir=Re,_.lastLoopSwp=Ve,_.lastEdgeDistances=Ye,_.lastSrcDistFNode=je,_.lastTgtDistFNode=He,_.lastSrcEndpt=Ge,_.lastTgtEndpt=Ue,_.lastSrcArr=Qe,_.lastTgtArr=et,_.lastLineW=nt,_.lastArrScl=at),!W){if(!B.calculatedIntersection&&n!==r&&(B.hasBezier||B.hasUnbundled)){B.calculatedIntersection=!0;var ot=c.intersectLine(i.x,i.y,o,s,a.x,a.y,0);B.srcIntn=ot;var st=h.intersectLine(a.x,a.y,l,u,i.x,i.y,0);B.tgtIntn=st;var lt={x1:ot[0],x2:st[0],y1:ot[1],y2:st[1]},ut={x1:i.x,x2:a.x,y1:i.y,y2:a.y},ct=st[1]-ot[1],ht=st[0]-ot[0],dt=Math.sqrt(ht*ht+ct*ct),pt={x:ht,y:ct},ft={x:pt.x/dt,y:pt.y/dt};d={x:-ft.y,y:ft.x},h.checkPoint(ot[0],ot[1],0,l,u,a.x,a.y)&&c.checkPoint(st[0],st[1],0,o,s,i.x,i.y)&&(d={},p=!0)}if(Z?(_.srcIntn=B.tgtIntn,_.tgtIntn=B.srcIntn):(_.srcIntn=B.srcIntn,_.tgtIntn=B.tgtIntn),n===r){_.edgeType="self";var gt=w,vt=te;k&&(gt=0,vt=ne);var yt=$-Math.PI/2,mt=yt-Q/2,bt=yt+Q/2,xt=String($+"_"+Q);gt=void 0===A[xt]?A[xt]=0:++A[xt],_.ctrlpts=[i.x+1.4*Math.cos(mt)*vt*(gt/3+1),i.y+1.4*Math.sin(mt)*vt*(gt/3+1),i.x+1.4*Math.cos(bt)*vt*(gt/3+1),i.y+1.4*Math.sin(bt)*vt*(gt/3+1)]}else if(y&&(n.isParent()||n.isChild()||r.isParent()||r.isChild())&&(n.parents().anySame(r)||r.parents().anySame(n))){_.edgeType="compound",_.badBezier=!1;gt=w,vt=te;k&&(gt=0,vt=ne);var wt={x:i.x-o/2,y:i.y-s/2},Et={x:a.x-l/2,y:a.y-u/2},kt={x:Math.min(wt.x,Et.x),y:Math.min(wt.y,Et.y)},Ct=Math.max(.5,Math.log(.01*o)),St=Math.max(.5,Math.log(.01*l));_.ctrlpts=[kt.x,kt.y-(1+Math.pow(50,1.12)/100)*vt*(gt/3+1)*Ct,kt.x-(1+Math.pow(50,1.12)/100)*vt*(gt/3+1)*St,kt.y]}else if("segments"===j){_.edgeType="segments",_.segpts=[];for(var Dt=0;Dt<ue;Dt++){var Tt=se.pfValue[Dt],Pt=le.pfValue[Dt],Mt=1-Tt,_t=Tt,Bt={x:(Rt="node-position"===ie?ut:lt).x1*Mt+Rt.x2*_t,y:Rt.y1*Mt+Rt.y2*_t};_.segpts.push(Bt.x+d.x*Pt,Bt.y+d.y*Pt)}}else if(B.length%2!=1||w!==Math.floor(B.length/2)||k){var Nt=k;_.edgeType=Nt?"multibezier":"bezier",_.ctrlpts=[];for(var It=0;It<ee;It++){var At,zt=(.5-B.length/2+w)*te,Lt=(f=zt)>0?1:f<0?-1:0;Nt&&(ne=U?U.pfValue[It]:te,re=J.value[It]);var Ot=void 0!==(At=k?ne:void 0!==ne?Lt*ne:void 0)?At:zt;Mt=1-re,_t=re;if(Z){I=Mt;Mt=_t,_t=I}var Rt;Bt={x:(Rt="node-position"===ie?ut:lt).x1*Mt+Rt.x2*_t,y:Rt.y1*Mt+Rt.y2*_t};_.ctrlpts.push(Bt.x+d.x*Ot,Bt.y+d.y*Ot)}}else _.edgeType="straight";this.findEndpoints(M);var Ft=!v(_.startX)||!v(_.startY),Vt=!v(_.arrowStartX)||!v(_.arrowStartY),qt=!v(_.endX)||!v(_.endY),Yt=!v(_.arrowEndX)||!v(_.arrowEndY),Xt=3*(this.getArrowWidth(M.pstyle("width").pfValue,M.pstyle("arrow-scale").value)*this.arrowShapeWidth);if("bezier"===_.edgeType){var jt=rt({x:_.ctrlpts[0],y:_.ctrlpts[1]},{x:_.startX,y:_.startY}),Wt=jt<Xt,Ht=rt({x:_.ctrlpts[0],y:_.ctrlpts[1]},{x:_.endX,y:_.endY}),Kt=Ht<Xt,Gt=!1;if(Ft||Vt||Wt){Gt=!0;var Zt={x:_.ctrlpts[0]-i.x,y:_.ctrlpts[1]-i.y},Ut=Math.sqrt(Zt.x*Zt.x+Zt.y*Zt.y),$t={x:Zt.x/Ut,y:Zt.y/Ut},Qt=Math.max(o,s),Jt={x:_.ctrlpts[0]+2*$t.x*Qt,y:_.ctrlpts[1]+2*$t.y*Qt},en=c.intersectLine(i.x,i.y,o,s,Jt.x,Jt.y,0);Wt?(_.ctrlpts[0]=_.ctrlpts[0]+$t.x*(Xt-jt),_.ctrlpts[1]=_.ctrlpts[1]+$t.y*(Xt-jt)):(_.ctrlpts[0]=en[0]+$t.x*Xt,_.ctrlpts[1]=en[1]+$t.y*Xt)}if(qt||Yt||Kt){Gt=!0;Zt={x:_.ctrlpts[0]-a.x,y:_.ctrlpts[1]-a.y},Ut=Math.sqrt(Zt.x*Zt.x+Zt.y*Zt.y),$t={x:Zt.x/Ut,y:Zt.y/Ut},Qt=Math.max(o,s),Jt={x:_.ctrlpts[0]+2*$t.x*Qt,y:_.ctrlpts[1]+2*$t.y*Qt};var tn=h.intersectLine(a.x,a.y,l,u,Jt.x,Jt.y,0);Kt?(_.ctrlpts[0]=_.ctrlpts[0]+$t.x*(Xt-Ht),_.ctrlpts[1]=_.ctrlpts[1]+$t.y*(Xt-Ht)):(_.ctrlpts[0]=tn[0]+$t.x*Xt,_.ctrlpts[1]=tn[1]+$t.y*Xt)}Gt&&this.findEndpoints(M)}this.checkForInvalidEdgeWarning(M),this.storeAllpts(M),this.storeEdgeProjections(M),this.calculateArrowAngles(M)}this.recalculateEdgeLabelProjections(M),this.calculateLabelAngles(M)}}this.findHaystackPoints(x)}},xo.getSegmentPoints=function(e){var t=e[0]._private.rscratch;if("segments"===t.edgeType)return this.recalculateRenderedStyle(e),wo(t.segpts)},xo.getControlPoints=function(e){var t=e[0]._private.rscratch,n=t.edgeType;if("bezier"===n||"multibezier"===n||"self"===n||"compound"===n)return this.recalculateRenderedStyle(e),wo(t.ctrlpts)},xo.getEdgeMidpoint=function(e){var t=e[0]._private.rscratch;return this.recalculateRenderedStyle(e),{x:t.midX,y:t.midY}};var Eo={manualEndptToPx:function(e,t){var n=e.position(),r=e.outerWidth(),i=e.outerHeight();if(2===t.value.length){var a=[t.pfValue[0],t.pfValue[1]];return"%"===t.units[0]&&(a[0]=a[0]*r),"%"===t.units[1]&&(a[1]=a[1]*i),a[0]+=n.x,a[1]+=n.y,a}var o=t.pfValue[0];o=-Math.PI/2+o;var s=2*Math.max(r,i),l=[n.x+Math.cos(o)*s,n.y+Math.sin(o)*s];return this.nodeShapes[this.getNodeShape(e)].intersectLine(n.x,n.y,r,i,l[0],l[1],0)},findEndpoints:function(e){var t,n,r,i,a,o=this,s=e.source()[0],l=e.target()[0],u=s.position(),c=l.position(),h=e.pstyle("target-arrow-shape").value,d=e.pstyle("source-arrow-shape").value,p=e.pstyle("target-distance-from-node").pfValue,f=e.pstyle("source-distance-from-node").pfValue,g=e._private.rscratch,y=g.edgeType,m="self"===y||"compound"===y,b="bezier"===y||"multibezier"===y||m,x="bezier"!==y,w="straight"===y||"segments"===y,E="segments"===y,k=b||x||w,C=e.pstyle("source-endpoint"),S=m?"outside-to-node":C.value,D=e.pstyle("target-endpoint"),T=m?"outside-to-node":D.value;if(g.srcManEndpt=C,g.tgtManEndpt=D,b){var P=[g.ctrlpts[0],g.ctrlpts[1]];n=x?[g.ctrlpts[g.ctrlpts.length-2],g.ctrlpts[g.ctrlpts.length-1]]:P,r=P}else if(w){var M=E?g.segpts.slice(0,2):[c.x,c.y];n=E?g.segpts.slice(g.segpts.length-2):[u.x,u.y],r=M}if("inside-to-node"===T)t=[c.x,c.y];else if(D.units)t=this.manualEndptToPx(l,D);else if("outside-to-line"===T)t=g.tgtIntn;else if("outside-to-node"===T||"outside-to-node-or-label"===T?i=n:"outside-to-line"!==T&&"outside-to-line-or-label"!==T||(i=[u.x,u.y]),t=o.nodeShapes[this.getNodeShape(l)].intersectLine(c.x,c.y,l.outerWidth(),l.outerHeight(),i[0],i[1],0),"outside-to-node-or-label"===T||"outside-to-line-or-label"===T){var _=l._private.rscratch,B=_.labelWidth,N=_.labelHeight,I=_.labelX,A=_.labelY,z=l.pstyle("text-valign").value;"top"===z?A-=N/2:"bottom"===z&&(A+=N/2);var L=l.pstyle("text-halign").value;"left"===L?I-=B/2:"right"===L&&(I+=B/2);var O=o.nodeShapes.rectangle.intersectLine(I,A,B,N,i[0],i[1],0),R=u,F=it(R,et(t));it(R,et(O))<F&&(t=O)}var V=Bt(t,n,o.arrowShapes[h].spacing(e)+p),q=Bt(t,n,o.arrowShapes[h].gap(e)+p);if(g.endX=q[0],g.endY=q[1],g.arrowEndX=V[0],g.arrowEndY=V[1],"inside-to-node"===S)t=[u.x,u.y];else if(C.units)t=this.manualEndptToPx(s,C);else if("outside-to-line"===S)t=g.srcIntn;else if("outside-to-node"===S||"outside-to-node-or-label"===S?a=r:"outside-to-line"!==S&&"outside-to-line-or-label"!==S||(a=[c.x,c.y]),t=o.nodeShapes[this.getNodeShape(s)].intersectLine(u.x,u.y,s.outerWidth(),s.outerHeight(),a[0],a[1],0),"outside-to-node-or-label"===S||"outside-to-line-or-label"===S){var Y=s._private.rscratch,X=Y.labelWidth,j=Y.labelHeight,W=Y.labelX,H=Y.labelY,K=s.pstyle("text-valign").value;"top"===K?H-=j/2:"bottom"===K&&(H+=j/2);var G=s.pstyle("text-halign").value;"left"===G?W-=X/2:"right"===G&&(W+=X/2);var Z=o.nodeShapes.rectangle.intersectLine(W,H,X,j,a[0],a[1],0),U=c,$=it(U,et(t));it(U,et(Z))<$&&(t=Z)}var Q=Bt(t,r,o.arrowShapes[d].spacing(e)+f),J=Bt(t,r,o.arrowShapes[d].gap(e)+f);g.startX=J[0],g.startY=J[1],g.arrowStartX=Q[0],g.arrowStartY=Q[1],k&&(v(g.startX)&&v(g.startY)&&v(g.endX)&&v(g.endY)?g.badLine=!1:g.badLine=!0)},getSourceEndpoint:function(e){var t=e[0]._private.rscratch;switch(this.recalculateRenderedStyle(e),t.edgeType){case"haystack":return{x:t.haystackPts[0],y:t.haystackPts[1]};default:return{x:t.arrowStartX,y:t.arrowStartY}}},getTargetEndpoint:function(e){var t=e[0]._private.rscratch;switch(this.recalculateRenderedStyle(e),t.edgeType){case"haystack":return{x:t.haystackPts[2],y:t.haystackPts[3]};default:return{x:t.arrowEndX,y:t.arrowEndY}}}},ko={};function Co(e,t,n){for(var r=function(e,t,n,r){return ot(e,t,n,r)},i=t._private.rstyle.bezierPts,a=0;a<e.bezierProjPcts.length;a++){var o=e.bezierProjPcts[a];i.push({x:r(n[0],n[2],n[4],o),y:r(n[1],n[3],n[5],o)})}}ko.storeEdgeProjections=function(e){var t=e._private,n=t.rscratch,r=n.edgeType;if(t.rstyle.bezierPts=null,t.rstyle.linePts=null,t.rstyle.haystackPts=null,"multibezier"===r||"bezier"===r||"self"===r||"compound"===r){t.rstyle.bezierPts=[];for(var i=0;i+5<n.allpts.length;i+=4)Co(this,e,n.allpts.slice(i,i+6))}else if("segments"===r){var a=t.rstyle.linePts=[];for(i=0;i+1<n.allpts.length;i+=2)a.push({x:n.allpts[i],y:n.allpts[i+1]})}else if("haystack"===r){var o=n.haystackPts;t.rstyle.haystackPts=[{x:o[0],y:o[1]},{x:o[2],y:o[3]}]}t.rstyle.arrowWidth=this.getArrowWidth(e.pstyle("width").pfValue,e.pstyle("arrow-scale").value)*this.arrowShapeWidth},ko.recalculateEdgeProjections=function(e){this.findEdgeControlPoints(e)};var So={recalculateNodeLabelProjection:function(e){var t=e.pstyle("label").strValue;if(!k(t)){var n,r,i=e._private,a=e.width(),o=e.height(),s=e.padding(),l=e.position(),u=e.pstyle("text-halign").strValue,c=e.pstyle("text-valign").strValue,h=i.rscratch,d=i.rstyle;switch(u){case"left":n=l.x-a/2-s;break;case"right":n=l.x+a/2+s;break;default:n=l.x}switch(c){case"top":r=l.y-o/2-s;break;case"bottom":r=l.y+o/2+s;break;default:r=l.y}h.labelX=n,h.labelY=r,d.labelX=n,d.labelY=r,this.applyLabelDimensions(e)}}},Do=function(e,t){var n=Math.atan(t/e);return 0===e&&n<0&&(n*=-1),n},To=function(e,t){var n=t.x-e.x,r=t.y-e.y;return Do(n,r)};So.recalculateEdgeLabelProjections=function(e){var t,n=e._private,r=n.rscratch,i=this,a={mid:e.pstyle("label").strValue,source:e.pstyle("source-label").strValue,target:e.pstyle("target-label").strValue};if(a.mid||a.source||a.target){t={x:r.midX,y:r.midY};var o=function(e,t,r){Be(n.rscratch,e,t,r),Be(n.rstyle,e,t,r)};o("labelX",null,t.x),o("labelY",null,t.y);var s=Do(r.midDispX,r.midDispY);o("labelAutoAngle",null,s);var l=function(s){var l,u="source"===s;if(a[s]){var c=e.pstyle(s+"-text-offset").pfValue;switch(r.edgeType){case"self":case"compound":case"bezier":case"multibezier":for(var h,d=function e(){if(e.cache)return e.cache;for(var t=[],a=0;a+5<r.allpts.length;a+=4){var o={x:r.allpts[a],y:r.allpts[a+1]},s={x:r.allpts[a+2],y:r.allpts[a+3]},l={x:r.allpts[a+4],y:r.allpts[a+5]};t.push({p0:o,p1:s,p2:l,startDist:0,length:0,segments:[]})}var u=n.rstyle.bezierPts,c=i.bezierProjPcts.length;function h(e,t,n,r,i){var a=rt(t,n),o=e.segments[e.segments.length-1],s={p0:t,p1:n,t0:r,t1:i,startDist:o?o.startDist+o.length:0,length:a};e.segments.push(s),e.length+=a}for(a=0;a<t.length;a++){var d=t[a],p=t[a-1];p&&(d.startDist=p.startDist+p.length),h(d,d.p0,u[a*c],0,i.bezierProjPcts[0]);for(var f=0;f<c-1;f++)h(d,u[a*c+f],u[a*c+f+1],i.bezierProjPcts[f],i.bezierProjPcts[f+1]);h(d,u[a*c+c-1],d.p2,i.bezierProjPcts[c-1],1)}return e.cache=t}(),p=0,f=0,g=0;g<d.length;g++){for(var v=d[u?g:d.length-1-g],y=0;y<v.segments.length;y++){var 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if(1!=f[4]||null!=x&&!x.isEdge()){if(x&&x.isEdge()&&x.active()&&x.unactivate(),x&&x.grabbed()||g==b||(b&&n(b,["mouseout","tapdragout"],t,{x:h[0],y:h[1]}),g&&n(g,["mouseover","tapdragover"],t,{x:h[0],y:h[1]}),e.hoverData.last=g),x)if(m){if(o.boxSelectionEnabled()&&T)x&&x.grabbed()&&(c(E),x.emit("freeon"),E.emit("free"),e.dragData.didDrag&&(x.emit("dragfreeon"),E.emit("dragfree"))),P();else if(x&&x.grabbed()&&e.nodeIsDraggable(x)){var N=!e.dragData.didDrag;N&&e.redrawHint("eles",!0),e.dragData.didDrag=!0;var I=o.collection();e.hoverData.draggingEles||l(E,{inDragLayer:!0});var A={x:0,y:0};if(v(w[0])&&v(w[1])&&(A.x+=w[0],A.y+=w[1],N)){var z=e.hoverData.dragDelta;z&&v(z[0])&&v(z[1])&&(A.x+=z[0],A.y+=z[1])}for(var L=0;L<E.length;L++){var O=E[L];e.nodeIsDraggable(O)&&O.grabbed()&&I.merge(O)}e.hoverData.draggingEles=!0,I.silentShift(A).emit("position drag"),e.redrawHint("drag",!0),e.redraw()}}else!function(){var t=e.hoverData.dragDelta=e.hoverData.dragDelta||[];0===t.length?(t.push(w[0]),t.push(w[1])):(t[0]+=w[0],t[1]+=w[1])}();a=!0}else if(m){if(e.hoverData.dragging||!o.boxSelectionEnabled()||!T&&o.panningEnabled()&&o.userPanningEnabled()){if(!e.hoverData.selecting&&o.panningEnabled()&&o.userPanningEnabled()){i(x,e.hoverData.downs)&&(e.hoverData.dragging=!0,e.hoverData.justStartedPan=!0,f[4]=0,e.data.bgActivePosistion=et(d),e.redrawHint("select",!0),e.redraw())}}else P();x&&x.isEdge()&&x.active()&&x.unactivate()}return f[2]=h[0],f[3]=h[1],a?(t.stopPropagation&&t.stopPropagation(),t.preventDefault&&t.preventDefault(),!1):void 0}},!1),e.registerBinding(window,"mouseup",function(i){if(e.hoverData.capture){e.hoverData.capture=!1;var a=e.cy,o=e.projectIntoViewport(i.clientX,i.clientY),s=e.selection,l=e.findNearestElement(o[0],o[1],!0,!1),u=e.dragData.possibleDragElements,h=e.hoverData.down,d=r(i);if(e.data.bgActivePosistion&&(e.redrawHint("select",!0),e.redraw()),e.hoverData.tapholdCancelled=!0,e.data.bgActivePosistion=void 0,h&&h.unactivate(),3===e.hoverData.which){var p={originalEvent:i,type:"cxttapend",position:{x:o[0],y:o[1]}};if(h?h.emit(p):a.emit(p),!e.hoverData.cxtDragged){var f={originalEvent:i,type:"cxttap",position:{x:o[0],y:o[1]}};h?h.emit(f):a.emit(f)}e.hoverData.cxtDragged=!1,e.hoverData.which=null}else if(1===e.hoverData.which){if(n(l,["mouseup","tapend","vmouseup"],i,{x:o[0],y:o[1]}),e.dragData.didDrag||e.hoverData.dragged||e.hoverData.selecting||e.hoverData.isOverThresholdDrag||n(h,["click","tap","vclick"],i,{x:o[0],y:o[1]}),null!=h||e.dragData.didDrag||e.hoverData.selecting||e.hoverData.dragged||r(i)||(a.$(t).unselect(["tapunselect"]),u.length>0&&e.redrawHint("eles",!0),e.dragData.possibleDragElements=u=a.collection()),l!=h||e.dragData.didDrag||e.hoverData.selecting||null!=l&&l._private.selectable&&(e.hoverData.dragging||("additive"===a.selectionType()||d?l.selected()?l.unselect(["tapunselect"]):l.select(["tapselect"]):d||(a.$(t).unmerge(l).unselect(["tapunselect"]),l.select(["tapselect"]))),e.redrawHint("eles",!0)),e.hoverData.selecting){var g=a.collection(e.getAllInBox(s[0],s[1],s[2],s[3]));e.redrawHint("select",!0),g.length>0&&e.redrawHint("eles",!0),a.emit({type:"boxend",originalEvent:i,position:{x:o[0],y:o[1]}});var v=function(e){return e.selectable()&&!e.selected()};"additive"===a.selectionType()?g.emit("box").stdFilter(v).select().emit("boxselect"):(d||a.$(t).unmerge(g).unselect(),g.emit("box").stdFilter(v).select().emit("boxselect")),e.redraw()}if(e.hoverData.dragging&&(e.hoverData.dragging=!1,e.redrawHint("select",!0),e.redrawHint("eles",!0),e.redraw()),!s[4]){e.redrawHint("drag",!0),e.redrawHint("eles",!0);var y=h&&h.grabbed();c(u),y&&(h.emit("freeon"),u.emit("free"),e.dragData.didDrag&&(h.emit("dragfreeon"),u.emit("dragfree")))}}s[4]=0,e.hoverData.down=null,e.hoverData.cxtStarted=!1,e.hoverData.draggingEles=!1,e.hoverData.selecting=!1,e.hoverData.isOverThresholdDrag=!1,e.dragData.didDrag=!1,e.hoverData.dragged=!1,e.hoverData.dragDelta=[],e.hoverData.mdownPos=null,e.hoverData.mdownGPos=null}},!1);var m,b,x,w,E,k,C,S,D,T,P,M,_;e.registerBinding(e.container,"wheel",function(t){if(!e.scrollingPage){var n,r=e.cy,i=e.projectIntoViewport(t.clientX,t.clientY),a=[i[0]*r.zoom()+r.pan().x,i[1]*r.zoom()+r.pan().y];e.hoverData.draggingEles||e.hoverData.dragging||e.hoverData.cxtStarted||0!==e.selection[4]?t.preventDefault():r.panningEnabled()&&r.userPanningEnabled()&&r.zoomingEnabled()&&r.userZoomingEnabled()&&(t.preventDefault(),e.data.wheelZooming=!0,clearTimeout(e.data.wheelTimeout),e.data.wheelTimeout=setTimeout(function(){e.data.wheelZooming=!1,e.redrawHint("eles",!0),e.redraw()},150),n=null!=t.deltaY?t.deltaY/-250:null!=t.wheelDeltaY?t.wheelDeltaY/1e3:t.wheelDelta/1e3,n*=e.wheelSensitivity,1===t.deltaMode&&(n*=33),r.zoom({level:r.zoom()*Math.pow(10,n),renderedPosition:{x:a[0],y:a[1]}}))}},!0),e.registerBinding(window,"scroll",function(t){e.scrollingPage=!0,clearTimeout(e.scrollingPageTimeout),e.scrollingPageTimeout=setTimeout(function(){e.scrollingPage=!1},250)},!0),e.registerBinding(e.container,"mouseout",function(t){var n=e.projectIntoViewport(t.clientX,t.clientY);e.cy.emit({originalEvent:t,type:"mouseout",position:{x:n[0],y:n[1]}})},!1),e.registerBinding(e.container,"mouseover",function(t){var n=e.projectIntoViewport(t.clientX,t.clientY);e.cy.emit({originalEvent:t,type:"mouseover",position:{x:n[0],y:n[1]}})},!1);var B,N,I,A,z=function(e,t,n,r){return Math.sqrt((n-e)*(n-e)+(r-t)*(r-t))},L=function(e,t,n,r){return(n-e)*(n-e)+(r-t)*(r-t)};if(e.registerBinding(e.container,"touchstart",B=function(t){if(y(t)){d(),e.touchData.capture=!0,e.data.bgActivePosistion=void 0;var r=e.cy,i=e.touchData.now,a=e.touchData.earlier;if(t.touches[0]){var s=e.projectIntoViewport(t.touches[0].clientX,t.touches[0].clientY);i[0]=s[0],i[1]=s[1]}if(t.touches[1]){s=e.projectIntoViewport(t.touches[1].clientX,t.touches[1].clientY);i[2]=s[0],i[3]=s[1]}if(t.touches[2]){s=e.projectIntoViewport(t.touches[2].clientX,t.touches[2].clientY);i[4]=s[0],i[5]=s[1]}if(t.touches[1]){c(e.dragData.touchDragEles);var h=e.findContainerClientCoords();D=h[0],T=h[1],P=h[2],M=h[3],m=t.touches[0].clientX-D,b=t.touches[0].clientY-T,x=t.touches[1].clientX-D,w=t.touches[1].clientY-T,_=0<=m&&m<=P&&0<=x&&x<=P&&0<=b&&b<=M&&0<=w&&w<=M;var p=r.pan(),f=r.zoom();E=z(m,b,x,w),k=L(m,b,x,w),S=[((C=[(m+x)/2,(b+w)/2])[0]-p.x)/f,(C[1]-p.y)/f];if(k<4e4&&!t.touches[2]){var g=e.findNearestElement(i[0],i[1],!0,!0),v=e.findNearestElement(i[2],i[3],!0,!0);return g&&g.isNode()?(g.activate().emit({originalEvent:t,type:"cxttapstart",position:{x:i[0],y:i[1]}}),e.touchData.start=g):v&&v.isNode()?(v.activate().emit({originalEvent:t,type:"cxttapstart",position:{x:i[0],y:i[1]}}),e.touchData.start=v):r.emit({originalEvent:t,type:"cxttapstart",position:{x:i[0],y:i[1]}}),e.touchData.start&&(e.touchData.start._private.grabbed=!1),e.touchData.cxt=!0,e.touchData.cxtDragged=!1,e.data.bgActivePosistion=void 0,void e.redraw()}}if(t.touches[2]);else if(t.touches[1]);else if(t.touches[0]){var B=e.findNearestElements(i[0],i[1],!0,!0),N=B[0];if(null!=N&&(N.activate(),e.touchData.start=N,e.touchData.starts=B,e.nodeIsGrabbable(N))){var I=e.dragData.touchDragEles=r.collection(),A=null;e.redrawHint("eles",!0),e.redrawHint("drag",!0),N.selected()?(A=r.$(function(t){return t.selected()&&e.nodeIsGrabbable(t)}),l(A,{addToList:I})):u(N,{addToList:I}),o(N);var O=function(e){return{originalEvent:t,type:e,position:{x:i[0],y:i[1]}}};N.emit(O("grabon")),A?A.forEach(function(e){e.emit(O("grab"))}):N.emit(O("grab"))}n(N,["touchstart","tapstart","vmousedown"],t,{x:i[0],y:i[1]}),null==N&&(e.data.bgActivePosistion={x:s[0],y:s[1]},e.redrawHint("select",!0),e.redraw()),e.touchData.singleTouchMoved=!1,e.touchData.singleTouchStartTime=+new Date,clearTimeout(e.touchData.tapholdTimeout),e.touchData.tapholdTimeout=setTimeout(function(){!1!==e.touchData.singleTouchMoved||e.pinching||e.touchData.selecting||n(e.touchData.start,["taphold"],t,{x:i[0],y:i[1]})},e.tapholdDuration)}if(t.touches.length>=1){for(var R=e.touchData.startPosition=[],F=0;F<i.length;F++)R[F]=a[F]=i[F];var V=t.touches[0];e.touchData.startGPosition=[V.clientX,V.clientY]}}},!1),e.registerBinding(window,"touchmove",N=function(t){var r=e.touchData.capture;if(r||y(t)){var a=e.selection,o=e.cy,s=e.touchData.now,u=e.touchData.earlier,h=o.zoom();if(t.touches[0]){var d=e.projectIntoViewport(t.touches[0].clientX,t.touches[0].clientY);s[0]=d[0],s[1]=d[1]}if(t.touches[1]){d=e.projectIntoViewport(t.touches[1].clientX,t.touches[1].clientY);s[2]=d[0],s[3]=d[1]}if(t.touches[2]){d=e.projectIntoViewport(t.touches[2].clientX,t.touches[2].clientY);s[4]=d[0],s[5]=d[1]}var p,f=e.touchData.startGPosition;if(r&&t.touches[0]&&f){for(var g=[],C=0;C<s.length;C++)g[C]=s[C]-u[C];var P=t.touches[0].clientX-f[0],M=P*P,B=t.touches[0].clientY-f[1];p=M+B*B>=e.touchTapThreshold2}if(r&&e.touchData.cxt){t.preventDefault();var N=t.touches[0].clientX-D,I=t.touches[0].clientY-T,A=t.touches[1].clientX-D,O=t.touches[1].clientY-T,R=L(N,I,A,O);if(R/k>=2.25||R>=22500){e.touchData.cxt=!1,e.data.bgActivePosistion=void 0,e.redrawHint("select",!0);var F={originalEvent:t,type:"cxttapend",position:{x:s[0],y:s[1]}};e.touchData.start?(e.touchData.start.unactivate().emit(F),e.touchData.start=null):o.emit(F)}}if(r&&e.touchData.cxt){F={originalEvent:t,type:"cxtdrag",position:{x:s[0],y:s[1]}};e.data.bgActivePosistion=void 0,e.redrawHint("select",!0),e.touchData.start?e.touchData.start.emit(F):o.emit(F),e.touchData.start&&(e.touchData.start._private.grabbed=!1),e.touchData.cxtDragged=!0;var V=e.findNearestElement(s[0],s[1],!0,!0);e.touchData.cxtOver&&V===e.touchData.cxtOver||(e.touchData.cxtOver&&e.touchData.cxtOver.emit({originalEvent:t,type:"cxtdragout",position:{x:s[0],y:s[1]}}),e.touchData.cxtOver=V,V&&V.emit({originalEvent:t,type:"cxtdragover",position:{x:s[0],y:s[1]}}))}else if(r&&t.touches[2]&&o.boxSelectionEnabled())t.preventDefault(),e.data.bgActivePosistion=void 0,this.lastThreeTouch=+new Date,e.touchData.selecting||o.emit({originalEvent:t,type:"boxstart",position:{x:s[0],y:s[1]}}),e.touchData.selecting=!0,e.redrawHint("select",!0),a&&0!==a.length&&void 0!==a[0]?(a[2]=(s[0]+s[2]+s[4])/3,a[3]=(s[1]+s[3]+s[5])/3):(a[0]=(s[0]+s[2]+s[4])/3,a[1]=(s[1]+s[3]+s[5])/3,a[2]=(s[0]+s[2]+s[4])/3+1,a[3]=(s[1]+s[3]+s[5])/3+1),a[4]=1,e.touchData.selecting=!0,e.redraw();else if(r&&t.touches[1]&&o.zoomingEnabled()&&o.panningEnabled()&&o.userZoomingEnabled()&&o.userPanningEnabled()){if(t.preventDefault(),e.data.bgActivePosistion=void 0,e.redrawHint("select",!0),ee=e.dragData.touchDragEles){e.redrawHint("drag",!0);for(var q=0;q<ee.length;q++){var Y=ee[q]._private;Y.grabbed=!1,Y.rscratch.inDragLayer=!1}}var X=e.touchData.start,j=(N=t.touches[0].clientX-D,I=t.touches[0].clientY-T,A=t.touches[1].clientX-D,O=t.touches[1].clientY-T,z(N,I,A,O)),W=j/E;if(_){var H=(N-m+(A-x))/2,K=(I-b+(O-w))/2,G=o.zoom(),Z=G*W,U=o.pan(),$=S[0]*G+U.x,Q=S[1]*G+U.y,J={x:-Z/G*($-U.x-H)+$,y:-Z/G*(Q-U.y-K)+Q};if(X&&X.active()){var ee=e.dragData.touchDragEles;c(ee),e.redrawHint("drag",!0),e.redrawHint("eles",!0),X.unactivate().emit("freeon"),ee.emit("free"),e.dragData.didDrag&&(X.emit("dragfreeon"),ee.emit("dragfree"))}o.viewport({zoom:Z,pan:J,cancelOnFailedZoom:!0}),E=j,m=N,b=I,x=A,w=O,e.pinching=!0}if(t.touches[0]){d=e.projectIntoViewport(t.touches[0].clientX,t.touches[0].clientY);s[0]=d[0],s[1]=d[1]}if(t.touches[1]){d=e.projectIntoViewport(t.touches[1].clientX,t.touches[1].clientY);s[2]=d[0],s[3]=d[1]}if(t.touches[2]){d=e.projectIntoViewport(t.touches[2].clientX,t.touches[2].clientY);s[4]=d[0],s[5]=d[1]}}else if(t.touches[0]){var te=e.touchData.start,ne=e.touchData.last;if(e.hoverData.draggingEles||e.swipePanning||(V=e.findNearestElement(s[0],s[1],!0,!0)),r&&null!=te&&t.preventDefault(),r&&null!=te&&e.nodeIsDraggable(te))if(p){ee=e.dragData.touchDragEles;var re=!e.dragData.didDrag;re&&l(ee,{inDragLayer:!0}),e.dragData.didDrag=!0;var ie={x:0,y:0};if(v(g[0])&&v(g[1]))if(ie.x+=g[0],ie.y+=g[1],re)e.redrawHint("eles",!0),(ae=e.touchData.dragDelta)&&v(ae[0])&&v(ae[1])&&(ie.x+=ae[0],ie.y+=ae[1]);e.hoverData.draggingEles=!0,ee.silentShift(ie).emit("position drag"),e.redrawHint("drag",!0),e.touchData.startPosition[0]==u[0]&&e.touchData.startPosition[1]==u[1]&&e.redrawHint("eles",!0),e.redraw()}else{var ae;0===(ae=e.touchData.dragDelta=e.touchData.dragDelta||[]).length?(ae.push(g[0]),ae.push(g[1])):(ae[0]+=g[0],ae[1]+=g[1])}if(n(te||V,["touchmove","tapdrag","vmousemove"],t,{x:s[0],y:s[1]}),te&&te.grabbed()||V==ne||(ne&&ne.emit({originalEvent:t,type:"tapdragout",position:{x:s[0],y:s[1]}}),V&&V.emit({originalEvent:t,type:"tapdragover",position:{x:s[0],y:s[1]}})),e.touchData.last=V,r)for(q=0;q<s.length;q++)s[q]&&e.touchData.startPosition[q]&&p&&(e.touchData.singleTouchMoved=!0);if(r&&(null==te||te.isEdge())&&o.panningEnabled()&&o.userPanningEnabled()){i(te,e.touchData.starts)&&(t.preventDefault(),e.swipePanning?o.panBy({x:g[0]*h,y:g[1]*h}):p&&(e.swipePanning=!0,o.panBy({x:P*h,y:B*h}),te&&(te.unactivate(),e.data.bgActivePosistion||(e.data.bgActivePosistion=et(e.touchData.startPosition)),e.redrawHint("select",!0),e.touchData.start=null)));d=e.projectIntoViewport(t.touches[0].clientX,t.touches[0].clientY);s[0]=d[0],s[1]=d[1]}}for(C=0;C<s.length;C++)u[C]=s[C];r&&t.touches.length>0&&!e.hoverData.draggingEles&&!e.swipePanning&&null!=e.data.bgActivePosistion&&(e.data.bgActivePosistion=void 0,e.redrawHint("select",!0),e.redraw())}},!1),e.registerBinding(window,"touchcancel",I=function(t){var n=e.touchData.start;e.touchData.capture=!1,n&&n.unactivate()}),e.registerBinding(window,"touchend",A=function(r){var i=e.touchData.start;if(e.touchData.capture){0===r.touches.length&&(e.touchData.capture=!1),r.preventDefault();var a=e.selection;e.swipePanning=!1,e.hoverData.draggingEles=!1;var o,s=e.cy,l=s.zoom(),u=e.touchData.now,h=e.touchData.earlier;if(r.touches[0]){var d=e.projectIntoViewport(r.touches[0].clientX,r.touches[0].clientY);u[0]=d[0],u[1]=d[1]}if(r.touches[1]){d=e.projectIntoViewport(r.touches[1].clientX,r.touches[1].clientY);u[2]=d[0],u[3]=d[1]}if(r.touches[2]){d=e.projectIntoViewport(r.touches[2].clientX,r.touches[2].clientY);u[4]=d[0],u[5]=d[1]}if(i&&i.unactivate(),e.touchData.cxt){if(o={originalEvent:r,type:"cxttapend",position:{x:u[0],y:u[1]}},i?i.emit(o):s.emit(o),!e.touchData.cxtDragged){var p={originalEvent:r,type:"cxttap",position:{x:u[0],y:u[1]}};i?i.emit(p):s.emit(p)}return e.touchData.start&&(e.touchData.start._private.grabbed=!1),e.touchData.cxt=!1,e.touchData.start=null,void e.redraw()}if(!r.touches[2]&&s.boxSelectionEnabled()&&e.touchData.selecting){e.touchData.selecting=!1;var f=s.collection(e.getAllInBox(a[0],a[1],a[2],a[3]));a[0]=void 0,a[1]=void 0,a[2]=void 0,a[3]=void 0,a[4]=0,e.redrawHint("select",!0),s.emit({type:"boxend",originalEvent:r,position:{x:u[0],y:u[1]}});f.emit("box").stdFilter(function(e){return e.selectable()&&!e.selected()}).select().emit("boxselect"),f.nonempty()&&e.redrawHint("eles",!0),e.redraw()}if(null!=i&&i.unactivate(),r.touches[2])e.data.bgActivePosistion=void 0,e.redrawHint("select",!0);else if(r.touches[1]);else if(r.touches[0]);else if(!r.touches[0]){e.data.bgActivePosistion=void 0,e.redrawHint("select",!0);var g=e.dragData.touchDragEles;if(null!=i){var v=i._private.grabbed;c(g),e.redrawHint("drag",!0),e.redrawHint("eles",!0),v&&(i.emit("freeon"),g.emit("free"),e.dragData.didDrag&&(i.emit("dragfreeon"),g.emit("dragfree"))),n(i,["touchend","tapend","vmouseup","tapdragout"],r,{x:u[0],y:u[1]}),i.unactivate(),e.touchData.start=null}else{var y=e.findNearestElement(u[0],u[1],!0,!0);n(y,["touchend","tapend","vmouseup","tapdragout"],r,{x:u[0],y:u[1]})}var m=e.touchData.startPosition[0]-u[0],b=m*m,x=e.touchData.startPosition[1]-u[1],w=(b+x*x)*l*l;e.touchData.singleTouchMoved||(i||s.$(":selected").unselect(["tapunselect"]),n(i,["tap","vclick"],r,{x:u[0],y:u[1]})),null!=i&&!e.dragData.didDrag&&i._private.selectable&&w<e.touchTapThreshold2&&!e.pinching&&("single"===s.selectionType()?(s.$(t).unmerge(i).unselect(["tapunselect"]),i.select(["tapselect"])):i.selected()?i.unselect(["tapunselect"]):i.select(["tapselect"]),e.redrawHint("eles",!0)),e.touchData.singleTouchMoved=!0}for(var E=0;E<u.length;E++)h[E]=u[E];e.dragData.didDrag=!1,0===r.touches.length&&(e.touchData.dragDelta=[],e.touchData.startPosition=null,e.touchData.startGPosition=null),r.touches.length<2&&(e.pinching=!1,e.redrawHint("eles",!0),e.redraw())}},!1),"undefined"==typeof TouchEvent){var O=[],R=function(e){return{clientX:e.clientX,clientY:e.clientY,force:1,identifier:e.pointerId,pageX:e.pageX,pageY:e.pageY,radiusX:e.width/2,radiusY:e.height/2,screenX:e.screenX,screenY:e.screenY,target:e.target}},F=function(e){O.push(function(e){return{event:e,touch:R(e)}}(e))},V=function(e){for(var t=0;t<O.length;t++){if(O[t].event.pointerId===e.pointerId)return void O.splice(t,1)}},q=function(e){e.touches=O.map(function(e){return e.touch})},Y=function(e){return"mouse"===e.pointerType||4===e.pointerType};e.registerBinding(e.container,"pointerdown",function(e){Y(e)||(e.preventDefault(),F(e),q(e),B(e))}),e.registerBinding(e.container,"pointerup",function(e){Y(e)||(V(e),q(e),A(e))}),e.registerBinding(e.container,"pointercancel",function(e){Y(e)||(V(e),q(e),I())}),e.registerBinding(e.container,"pointermove",function(e){Y(e)||(e.preventDefault(),function(e){var t=O.filter(function(t){return t.event.pointerId===e.pointerId})[0];t.event=e,t.touch=R(e)}(e),q(e),N(e))})}};var zo={generatePolygon:function(e,t){return this.nodeShapes[e]={renderer:this,name:e,points:t,draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl("polygon",e,t,n,r,i,this.points)},intersectLine:function(e,t,n,r,i,a,o){return _t(i,a,this.points,e,t,n/2,r/2,o)},checkPoint:function(e,t,n,r,i,a,o){return kt(e,t,this.points,a,o,r,i,[0,-1],n)}}}};zo.generateEllipse=function(){return this.nodeShapes.ellipse={renderer:this,name:"ellipse",draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl(this.name,e,t,n,r,i)},intersectLine:function(e,t,n,r,i,a,o){return function(e,t,n,r,i,a){var o=n-e,s=r-t;o/=i,s/=a;var l=Math.sqrt(o*o+s*s),u=l-1;if(u<0)return[];var c=u/l;return[(n-e)*c+e,(r-t)*c+t]}(i,a,e,t,n/2+o,r/2+o)},checkPoint:function(e,t,n,r,i,a,o){return Dt(e,t,r,i,a,o,n)}}},zo.generateRoundRectangle=function(){return this.nodeShapes["round-rectangle"]=this.nodeShapes.roundrectangle={renderer:this,name:"round-rectangle",points:Nt(4,0),draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl(this.name,e,t,n,r,i)},intersectLine:function(e,t,n,r,i,a,o){return yt(i,a,e,t,n,r,o)},checkPoint:function(e,t,n,r,i,a,o){var s=zt(r,i),l=2*s;return!!kt(e,t,this.points,a,o,r,i-l,[0,-1],n)||(!!kt(e,t,this.points,a,o,r-l,i,[0,-1],n)||(!!Dt(e,t,l,l,a-r/2+s,o-i/2+s,n)||(!!Dt(e,t,l,l,a+r/2-s,o-i/2+s,n)||(!!Dt(e,t,l,l,a+r/2-s,o+i/2-s,n)||!!Dt(e,t,l,l,a-r/2+s,o+i/2-s,n)))))}}},zo.generateCutRectangle=function(){return this.nodeShapes["cut-rectangle"]=this.nodeShapes.cutrectangle={renderer:this,name:"cut-rectangle",cornerLength:8,points:Nt(4,0),draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl(this.name,e,t,n,r,i)},generateCutTrianglePts:function(e,t,n,r){var i=this.cornerLength,a=t/2,o=e/2,s=n-o,l=n+o,u=r-a,c=r+a;return{topLeft:[s,u+i,s+i,u,s+i,u+i],topRight:[l-i,u,l,u+i,l-i,u+i],bottomRight:[l,c-i,l-i,c,l-i,c-i],bottomLeft:[s+i,c,s,c-i,s+i,c-i]}},intersectLine:function(e,t,n,r,i,a,o){var s=this.generateCutTrianglePts(n+2*o,r+2*o,e,t),l=[].concat.apply([],[s.topLeft.splice(0,4),s.topRight.splice(0,4),s.bottomRight.splice(0,4),s.bottomLeft.splice(0,4)]);return _t(i,a,l,e,t)},checkPoint:function(e,t,n,r,i,a,o){if(kt(e,t,this.points,a,o,r,i-2*this.cornerLength,[0,-1],n))return!0;if(kt(e,t,this.points,a,o,r-2*this.cornerLength,i,[0,-1],n))return!0;var s=this.generateCutTrianglePts(r,i,a,o);return Et(e,t,s.topLeft)||Et(e,t,s.topRight)||Et(e,t,s.bottomRight)||Et(e,t,s.bottomLeft)}}},zo.generateBarrel=function(){return this.nodeShapes.barrel={renderer:this,name:"barrel",points:Nt(4,0),draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl(this.name,e,t,n,r,i)},intersectLine:function(e,t,n,r,i,a,o){var s=this.generateBarrelBezierPts(n+2*o,r+2*o,e,t),l=function(e){var t=st({x:e[0],y:e[1]},{x:e[2],y:e[3]},{x:e[4],y:e[5]},.15),n=st({x:e[0],y:e[1]},{x:e[2],y:e[3]},{x:e[4],y:e[5]},.5),r=st({x:e[0],y:e[1]},{x:e[2],y:e[3]},{x:e[4],y:e[5]},.85);return[e[0],e[1],t.x,t.y,n.x,n.y,r.x,r.y,e[4],e[5]]},u=[].concat(l(s.topLeft),l(s.topRight),l(s.bottomRight),l(s.bottomLeft));return _t(i,a,u,e,t)},generateBarrelBezierPts:function(e,t,n,r){var i=t/2,a=e/2,o=n-a,s=n+a,l=r-i,u=r+i,c=Lt(e,t),h=c.heightOffset,d=c.widthOffset,p=c.ctrlPtOffsetPct*e,f={topLeft:[o,l+h,o+p,l,o+d,l],topRight:[s-d,l,s-p,l,s,l+h],bottomRight:[s,u-h,s-p,u,s-d,u],bottomLeft:[o+d,u,o+p,u,o,u-h]};return f.topLeft.isTop=!0,f.topRight.isTop=!0,f.bottomLeft.isBottom=!0,f.bottomRight.isBottom=!0,f},checkPoint:function(e,t,n,r,i,a,o){var s=Lt(r,i),l=s.heightOffset,u=s.widthOffset;if(kt(e,t,this.points,a,o,r,i-2*l,[0,-1],n))return!0;if(kt(e,t,this.points,a,o,r-2*u,i,[0,-1],n))return!0;for(var c=this.generateBarrelBezierPts(r,i,a,o),h=function(e,t,n){var r,i,a=n[4],o=n[2],s=n[0],l=n[5],u=n[1],c=Math.min(a,s),h=Math.max(a,s),d=Math.min(l,u),p=Math.max(l,u);if(c<=e&&e<=h&&d<=t&&t<=p){var f=[(r=a)-2*(i=o)+s,2*(i-r),r],g=function(e,t,n,r){var i=t*t-4*e*(n-=r);if(i<0)return[];var a=Math.sqrt(i),o=2*e;return[(-t+a)/o,(-t-a)/o]}(f[0],f[1],f[2],e).filter(function(e){return 0<=e&&e<=1});if(g.length>0)return g[0]}return null},d=Object.keys(c),p=0;p<d.length;p++){var f=c[d[p]],g=h(e,t,f);if(null!=g){var v=f[5],y=f[3],m=f[1],b=ot(v,y,m,g);if(f.isTop&&b<=t)return!0;if(f.isBottom&&t<=b)return!0}}return!1}}},zo.generateBottomRoundrectangle=function(){return this.nodeShapes["bottom-round-rectangle"]=this.nodeShapes.bottomroundrectangle={renderer:this,name:"bottom-round-rectangle",points:Nt(4,0),draw:function(e,t,n,r,i){this.renderer.nodeShapeImpl(this.name,e,t,n,r,i)},intersectLine:function(e,t,n,r,i,a,o){var s=t-(r/2+o),l=Mt(i,a,e,t,e-(n/2+o),s,e+(n/2+o),s,!1);return l.length>0?l:yt(i,a,e,t,n,r,o)},checkPoint:function(e,t,n,r,i,a,o){var s=zt(r,i),l=2*s;if(kt(e,t,this.points,a,o,r,i-l,[0,-1],n))return!0;if(kt(e,t,this.points,a,o,r-l,i,[0,-1],n))return!0;var u=r/2+2*n,c=i/2+2*n;return!!Et(e,t,[a-u,o-c,a-u,o,a+u,o,a+u,o-c])||(!!Dt(e,t,l,l,a+r/2-s,o+i/2-s,n)||!!Dt(e,t,l,l,a-r/2+s,o+i/2-s,n))}}},zo.registerNodeShapes=function(){var e=this.nodeShapes={},t=this;this.generateEllipse(),this.generatePolygon("triangle",Nt(3,0)),this.generatePolygon("rectangle",Nt(4,0)),e.square=e.rectangle,this.generateRoundRectangle(),this.generateCutRectangle(),this.generateBarrel(),this.generateBottomRoundrectangle(),this.generatePolygon("diamond",[0,1,1,0,0,-1,-1,0]),this.generatePolygon("pentagon",Nt(5,0)),this.generatePolygon("hexagon",Nt(6,0)),this.generatePolygon("heptagon",Nt(7,0)),this.generatePolygon("octagon",Nt(8,0));var n=new Array(20),r=At(5,0),i=At(5,Math.PI/5),a=.5*(3-Math.sqrt(5));a*=1.57;for(var o=0;o<i.length/2;o++)i[2*o]*=a,i[2*o+1]*=a;for(o=0;o<5;o++)n[4*o]=r[2*o],n[4*o+1]=r[2*o+1],n[4*o+2]=i[2*o],n[4*o+3]=i[2*o+1];n=It(n),this.generatePolygon("star",n),this.generatePolygon("vee",[-1,-1,0,-.333,1,-1,0,1]),this.generatePolygon("rhomboid",[-1,-1,.333,-1,1,1,-.333,1]),this.nodeShapes.concavehexagon=this.generatePolygon("concave-hexagon",[-1,-.95,-.75,0,-1,.95,1,.95,.75,0,1,-.95]),this.generatePolygon("tag",[-1,-1,.25,-1,1,0,.25,1,-1,1]),e.makePolygon=function(e){var n,r="polygon-"+e.join("$");return(n=this[r])?n:t.generatePolygon(r,e)}};var Lo={timeToRender:function(){return this.redrawTotalTime/this.redrawCount},redraw:function(e){e=e||De();var t=this;void 0===t.averageRedrawTime&&(t.averageRedrawTime=0),void 0===t.lastRedrawTime&&(t.lastRedrawTime=0),void 0===t.lastDrawTime&&(t.lastDrawTime=0),t.requestedFrame=!0,t.renderOptions=e},beforeRender:function(e,t){if(!this.destroyed){t=t||0;var n=this.beforeRenderCallbacks;n.push({fn:e,priority:t}),n.sort(function(e,t){return t.priority-e.priority})}}},Oo=function(e,t,n){for(var r=e.beforeRenderCallbacks,i=0;i<r.length;i++)r[i].fn(t,n)};Lo.startRenderLoop=function(){var e=this;if(!e.renderLoopStarted){e.renderLoopStarted=!0;oe(function t(n){if(!e.destroyed){if(e.requestedFrame&&!e.skipFrame){Oo(e,!0,n);var r=se();e.render(e.renderOptions);var i=e.lastDrawTime=se();void 0===e.averageRedrawTime&&(e.averageRedrawTime=i-r),void 0===e.redrawCount&&(e.redrawCount=0),e.redrawCount++,void 0===e.redrawTotalTime&&(e.redrawTotalTime=0);var a=i-r;e.redrawTotalTime+=a,e.lastRedrawTime=a,e.averageRedrawTime=e.averageRedrawTime/2+a/2,e.requestedFrame=!1}else Oo(e,!1,n);e.skipFrame=!1,oe(t)}})}};var Ro=function(e){this.init(e)},Fo=Ro.prototype;Fo.clientFunctions=["redrawHint","render","renderTo","matchCanvasSize","nodeShapeImpl","arrowShapeImpl"],Fo.init=function(e){var t=this;t.options=e,t.cy=e.cy;var n=t.container=e.cy.container();if(a){var r=a.document,i=r.head,o="__________cytoscape_container",s=null!=r.getElementById("__________cytoscape_stylesheet");if(n.className.indexOf(o)<0&&(n.className=(n.className||"")+" "+o),!s){var l=r.createElement("style");l.id="__________cytoscape_stylesheet",l.innerHTML="."+o+" { position: relative; }",i.insertBefore(l,i.children[0])}"static"===a.getComputedStyle(n).getPropertyValue("position")&&Ee("A Cytoscape container has style position:static and so can not use UI extensions properly")}t.selection=[void 0,void 0,void 0,void 0,0],t.bezierProjPcts=[.05,.225,.4,.5,.6,.775,.95],t.hoverData={down:null,last:null,downTime:null,triggerMode:null,dragging:!1,initialPan:[null,null],capture:!1},t.dragData={possibleDragElements:[]},t.touchData={start:null,capture:!1,startPosition:[null,null,null,null,null,null],singleTouchStartTime:null,singleTouchMoved:!0,now:[null,null,null,null,null,null],earlier:[null,null,null,null,null,null]},t.redraws=0,t.showFps=e.showFps,t.debug=e.debug,t.hideEdgesOnViewport=e.hideEdgesOnViewport,t.hideLabelsOnViewport=e.hideLabelsOnViewport,t.textureOnViewport=e.textureOnViewport,t.wheelSensitivity=e.wheelSensitivity,t.motionBlurEnabled=e.motionBlur,t.forcedPixelRatio=e.pixelRatio,t.motionBlur=e.motionBlur,t.motionBlurOpacity=e.motionBlurOpacity,t.motionBlurTransparency=1-t.motionBlurOpacity,t.motionBlurPxRatio=1,t.mbPxRBlurry=1,t.minMbLowQualFrames=4,t.fullQualityMb=!1,t.clearedForMotionBlur=[],t.desktopTapThreshold=e.desktopTapThreshold,t.desktopTapThreshold2=e.desktopTapThreshold*e.desktopTapThreshold,t.touchTapThreshold=e.touchTapThreshold,t.touchTapThreshold2=e.touchTapThreshold*e.touchTapThreshold,t.tapholdDuration=500,t.bindings=[],t.beforeRenderCallbacks=[],t.beforeRenderPriorities={animations:400,eleCalcs:300,eleTxrDeq:200,lyrTxrDeq:100},t.registerNodeShapes(),t.registerArrowShapes(),t.registerCalculationListeners()},Fo.notify=function(e,t){var n=this,r=n.cy;this.destroyed||("init"!==e?"destroy"!==e?(("add"===e||"remove"===e||"move"===e&&r.hasCompoundNodes()||"load"===e||"zorder"===e||"mount"===e)&&n.invalidateCachedZSortedEles(),"viewport"===e&&n.redrawHint("select",!0),"load"!==e&&"resize"!==e&&"mount"!==e||(n.invalidateContainerClientCoordsCache(),n.matchCanvasSize(n.container)),n.redrawHint("eles",!0),n.redrawHint("drag",!0),this.startRenderLoop(),this.redraw()):n.destroy():n.load())},Fo.destroy=function(){var e=this;e.destroyed=!0,e.cy.stopAnimationLoop();for(var t=0;t<e.bindings.length;t++){var n=e.bindings[t],r=n.target;(r.off||r.removeEventListener).apply(r,n.args)}if(e.bindings=[],e.beforeRenderCallbacks=[],e.onUpdateEleCalcsFns=[],e.removeObserver&&e.removeObserver.disconnect(),e.styleObserver&&e.styleObserver.disconnect(),e.labelCalcDiv)try{document.body.removeChild(e.labelCalcDiv)}catch(e){}},Fo.isHeadless=function(){return!1},[yo,No,Io,Ao,zo,Lo].forEach(function(e){I(Fo,e)});var Vo=function(e){return function(){var t=this,n=this.renderer;if(!t.dequeueingSetup){t.dequeueingSetup=!0;var r=ne(function(){n.redrawHint("eles",!0),n.redrawHint("drag",!0),n.redraw()},e.deqRedrawThreshold),i=e.priority||xe;n.beforeRender(function(i,a){for(var o=se(),s=n.averageRedrawTime,l=n.lastRedrawTime,u=[],c=n.cy.extent(),h=n.getPixelRatio();;){var d=se(),p=d-o,f=d-a;if(l<1e3/60){var g=1e3/60-(i?s:0);if(f>=e.deqFastCost*g)break}else if(i){if(p>=e.deqCost*l||p>=e.deqAvgCost*s)break}else if(f>=e.deqNoDrawCost*(1e3/60))break;var v=e.deq(t,h,c);if(!(v.length>0))break;for(var y=0;y<v.length;y++)u.push(v[y])}u.length>0&&(e.onDeqd(t,u),!i&&e.shouldRedraw(t,u,h,c)&&r())},i(t))}}},qo=function(){function e(n){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:me;t(this,e),this.idsByKey=new Ne,this.keyForId=new Ne,this.cachesByLvl=new Ne,this.lvls=[],this.getKey=n,this.doesEleInvalidateKey=r}return r(e,[{key:"getIdsFor",value:function(e){null==e&&we("Can not get id list for null key");var t=this.idsByKey,n=this.idsByKey.get(e);return n||(n=new Ae,t.set(e,n)),n}},{key:"addIdForKey",value:function(e,t){null!=e&&this.getIdsFor(e).add(t)}},{key:"deleteIdForKey",value:function(e,t){null!=e&&this.getIdsFor(e).delete(t)}},{key:"getNumberOfIdsForKey",value:function(e){return null==e?0:this.getIdsFor(e).size}},{key:"updateKeyMappingFor",value:function(e){var t=e.id(),n=this.keyForId.get(t),r=this.getKey(e);this.deleteIdForKey(n,t),this.addIdForKey(r,t),this.keyForId.set(t,r)}},{key:"deleteKeyMappingFor",value:function(e){var t=e.id(),n=this.keyForId.get(t);this.deleteIdForKey(n,t),this.keyForId.delete(t)}},{key:"keyHasChangedFor",value:function(e){var t=e.id();return this.keyForId.get(t)!==this.getKey(e)}},{key:"isInvalid",value:function(e){return this.keyHasChangedFor(e)||this.doesEleInvalidateKey(e)}},{key:"getCachesAt",value:function(e){var t=this.cachesByLvl,n=this.lvls,r=t.get(e);return r||(r=new Ne,t.set(e,r),n.push(e)),r}},{key:"getCache",value:function(e,t){return this.getCachesAt(t).get(e)}},{key:"get",value:function(e,t){var n=this.getKey(e),r=this.getCache(n,t);return null!=r&&this.updateKeyMappingFor(e),r}},{key:"getForCachedKey",value:function(e,t){var n=this.keyForId.get(e.id());return this.getCache(n,t)}},{key:"hasCache",value:function(e,t){return this.getCachesAt(t).has(e)}},{key:"has",value:function(e,t){var n=this.getKey(e);return this.hasCache(n,t)}},{key:"setCache",value:function(e,t,n){n.key=e,this.getCachesAt(t).set(e,n)}},{key:"set",value:function(e,t,n){var r=this.getKey(e);this.setCache(r,t,n),this.updateKeyMappingFor(e)}},{key:"deleteCache",value:function(e,t){this.getCachesAt(t).delete(e)}},{key:"delete",value:function(e,t){var n=this.getKey(e);this.deleteCache(n,t)}},{key:"invalidateKey",value:function(e){var t=this;this.lvls.forEach(function(n){return t.deleteCache(e,n)})}},{key:"invalidate",value:function(e){var t=e.id(),n=this.keyForId.get(t);this.deleteKeyMappingFor(e);var r=this.doesEleInvalidateKey(e);return 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t=this,n=t.renderer=e,r=n.cy;t.layersByLevel={},t.firstGet=!0,t.lastInvalidationTime=se()-500,t.skipping=!1,t.eleTxrDeqs=r.collection(),t.scheduleElementRefinement=ne(function(){t.refineElementTextures(t.eleTxrDeqs),t.eleTxrDeqs.unmerge(t.eleTxrDeqs)},50),n.beforeRender(function(e,n){n-t.lastInvalidationTime<=250?t.skipping=!0:t.skipping=!1});t.layersQueue=new Re(function(e,t){return t.reqs-e.reqs}),t.setupDequeueing()},Ko=Ho.prototype,Go=0,Zo=Math.pow(2,53)-1;Ko.makeLayer=function(e,t){var n=Math.pow(2,t),r=Math.ceil(e.w*n),i=Math.ceil(e.h*n),a=this.renderer.makeOffscreenCanvas(r,i),o={id:Go=++Go%Zo,bb:e,level:t,width:r,height:i,canvas:a,context:a.getContext("2d"),eles:[],elesQueue:[],reqs:0},s=o.context,l=-o.bb.x1,u=-o.bb.y1;return s.scale(n,n),s.translate(l,u),o},Ko.getLayers=function(e,t,n){var r=this,i=r.renderer.cy.zoom(),a=r.firstGet;if(r.firstGet=!1,null==n)if((n=Math.ceil(nt(i*t)))<-4)n=-4;else if(i>=3.99||n>2)return null;r.validateLayersElesOrdering(n,e);var o,s,l=r.layersByLevel,u=Math.pow(2,n),c=l[n]=l[n]||[];if(r.levelIsComplete(n,e))return c;!function(){var t=function(t){if(r.validateLayersElesOrdering(t,e),r.levelIsComplete(t,e))return s=l[t],!0},i=function(e){if(!s)for(var r=n+e;-4<=r&&r<=2&&!t(r);r+=e);};i(1),i(-1);for(var a=c.length-1;a>=0;a--){var o=c[a];o.invalid&&Pe(c,o)}}();var h=function(t){var i=(t=t||{}).after;if(function(){if(!o){o=ut();for(var t=0;t<e.length;t++)n=o,r=e[t].boundingBox(),n.x1=Math.min(n.x1,r.x1),n.x2=Math.max(n.x2,r.x2),n.w=n.x2-n.x1,n.y1=Math.min(n.y1,r.y1),n.y2=Math.max(n.y2,r.y2),n.h=n.y2-n.y1}var n,r}(),o.w*u*(o.h*u)>16e6)return null;var a=r.makeLayer(o,n);if(null!=i){var s=c.indexOf(i)+1;c.splice(s,0,a)}else(void 0===t.insert||t.insert)&&c.unshift(a);return a};if(r.skipping&&!a)return null;for(var d=null,p=e.length/1,f=!a,g=0;g<e.length;g++){var v=e[g],y=v._private.rscratch,m=y.imgLayerCaches=y.imgLayerCaches||{},b=m[n];if(b)d=b;else{if((!d||d.eles.length>=p||!vt(d.bb,v.boundingBox()))&&!(d=h({insert:!0,after:d})))return null;s||f?r.queueLayer(d,v):r.drawEleInLayer(d,v,n,t),d.eles.push(v),m[n]=d}}return s||(f?null:c)},Ko.getEleLevelForLayerLevel=function(e,t){return e},Ko.drawEleInLayer=function(e,t,n,r){var i=this.renderer,a=e.context,o=t.boundingBox();0!==o.w&&0!==o.h&&t.visible()&&(n=this.getEleLevelForLayerLevel(n,r),i.setImgSmoothing(a,!1),i.drawCachedElement(a,t,null,null,n,!0),i.setImgSmoothing(a,!0))},Ko.levelIsComplete=function(e,t){var n=this.layersByLevel[e];if(!n||0===n.length)return!1;for(var r=0,i=0;i<n.length;i++){var a=n[i];if(a.reqs>0)return!1;if(a.invalid)return!1;r+=a.eles.length}return r===t.length},Ko.validateLayersElesOrdering=function(e,t){var n=this.layersByLevel[e];if(n)for(var r=0;r<n.length;r++){for(var 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Ds&&this.pathsEnabled},Cs.setImgSmoothing=function(e,t){null!=e.imageSmoothingEnabled?e.imageSmoothingEnabled=t:(e.webkitImageSmoothingEnabled=t,e.mozImageSmoothingEnabled=t,e.msImageSmoothingEnabled=t)},Cs.getImgSmoothing=function(e){return null!=e.imageSmoothingEnabled?e.imageSmoothingEnabled:e.webkitImageSmoothingEnabled||e.mozImageSmoothingEnabled||e.msImageSmoothingEnabled},Cs.makeOffscreenCanvas=function(t,n){var r;return"undefined"!==("undefined"==typeof OffscreenCanvas?"undefined":e(OffscreenCanvas))?r=new OffscreenCanvas(t,n):((r=document.createElement("canvas")).width=t,r.height=n),r},[$o,ns,ss,ls,us,cs,hs,ds,bs,Es].forEach(function(e){I(Cs,e)});var Ts=[{type:"layout",extensions:fo},{type:"renderer",extensions:[{name:"null",impl:go},{name:"base",impl:Ro},{name:"canvas",impl:ks}]}],Ps={},Ms={};function _s(e,t,n){var r=n,i=function(n){we("Can not register `"+t+"` for `"+e+"` since `"+n+"` already exists in the prototype and can not be overridden")};if("core"===e){if(qa.prototype[t])return i(t);qa.prototype[t]=n}else if("collection"===e){if(aa.prototype[t])return i(t);aa.prototype[t]=n}else if("layout"===e){for(var a=function(e){this.options=e,n.call(this,e),g(this._private)||(this._private={}),this._private.cy=e.cy,this._private.listeners=[],this.createEmitter()},o=a.prototype=Object.create(n.prototype),s=[],l=0;l<s.length;l++){var u=s[l];o[u]=o[u]||function(){return this}}o.start&&!o.run?o.run=function(){return this.start(),this}:!o.start&&o.run&&(o.start=function(){return this.run(),this});var c=n.prototype.stop;o.stop=function(){var e=this.options;if(e&&e.animate){var t=this.animations;if(t)for(var n=0;n<t.length;n++)t[n].stop()}return c?c.call(this):this.emit("layoutstop"),this},o.destroy||(o.destroy=function(){return this}),o.cy=function(){return this._private.cy};var h=function(e){return 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prototype")}}),r=m}return L({map:Ps,keys:[e,t],value:r})}function Bs(e,t){return O({map:Ps,keys:[e,t]})}var Ns=function(){return 2===arguments.length?Bs.apply(null,arguments):3===arguments.length?_s.apply(null,arguments):4===arguments.length?function(e,t,n,r){return O({map:Ms,keys:[e,t,n,r]})}.apply(null,arguments):5===arguments.length?function(e,t,n,r,i){return L({map:Ms,keys:[e,t,n,r],value:i})}.apply(null,arguments):void we("Invalid extension access syntax")};qa.prototype.extension=Ns,Ts.forEach(function(e){e.extensions.forEach(function(t){_s(e.type,t.name,t.impl)})});var Is=function e(){if(!(this instanceof e))return new e;this.length=0},As=Is.prototype;As.instanceString=function(){return"stylesheet"},As.selector=function(e){return this[this.length++]={selector:e,properties:[]},this},As.css=function(e,t){var n=this.length-1;if(d(e))this[n].properties.push({name:e,value:t});else if(g(e))for(var r=e,i=Object.keys(r),a=0;a<i.length;a++){var o=i[a],s=r[o];if(null!=s){var l=Oa.properties[o]||Oa.properties[P(o)];if(null!=l){var u=l.name,c=s;this[n].properties.push({name:u,value:c})}}}return this},As.style=As.css,As.generateStyle=function(e){var t=new Oa(e);return this.appendToStyle(t)},As.appendToStyle=function(e){for(var t=0;t<this.length;t++){var n=this[t],r=n.selector,i=n.properties;e.selector(r);for(var a=0;a<i.length;a++){var o=i[a];e.css(o.name,o.value)}}return e};var zs=function(e){return void 0===e&&(e={}),g(e)?new qa(e):d(e)?Ns.apply(Ns,arguments):void 0};return zs.use=function(e){var t=Array.prototype.slice.call(arguments,1);return t.unshift(zs),e.apply(null,t),this},zs.version="3.3.3",zs.stylesheet=zs.Stylesheet=Is,zs});
diff --git a/demo-testing.html b/demo-testing.html
new file mode 100644
index 0000000..a90f075
--- /dev/null
+++ b/demo-testing.html
@@ -0,0 +1,202 @@
+<!DOCTYPE>
+
+<html>
+
+  <head>
+    <title>cytoscape-compound-drag-and-drop testing demo</title>
+
+    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1">
+
+    <script src="https://unpkg.com/cytoscape/dist/cytoscape.min.js"></script>
+
+    <script src="cytoscape-compound-drag-and-drop.js"></script>
+
+    <style>
+      body {
+        font-family: helvetica neue, helvetica, liberation sans, arial, sans-serif;
+        font-size: 14px;
+      }
+
+      #cy {
+        position: absolute;
+        left: 0;
+        top: 0;
+        bottom: 0;
+        right: 0;
+        z-index: 1;
+      }
+
+      h1 {
+        opacity: 0.5;
+        font-size: 1em;
+        font-weight: bold;
+      }
+
+      #options {
+        z-index: 2;
+        position: absolute;
+        right: 0;
+        top: 0;
+        margin: 0.5em;
+      }
+    </style>
+
+    <script>
+      document.addEventListener('DOMContentLoaded', function(){
+
+        var cy = window.cy = cytoscape({
+          container: document.getElementById('cy'),
+
+          style: [
+            {
+              selector: 'node',
+              style: {
+                'label': 'data(id)'
+              }
+            },
+
+            {
+              selector: 'node:parent',
+              style: {
+                'label': ''
+              }
+            },
+
+            {
+              selector: 'edge',
+              style: {
+                'curve-style': 'bezier',
+                'target-arrow-shape': 'triangle'
+              }
+            },
+
+            {
+              selector: '.cdnd-grabbed-node',
+              style: {
+                'background-color': 'red'
+              }
+            },
+
+            {
+              selector: '.cdnd-drop-sibling',
+              style: {
+                'background-color': 'red'
+              }
+            },
+
+            {
+              selector: '.cdnd-drop-target',
+              style: {
+                'border-color': 'red',
+                'border-style': 'dashed'
+              }
+            }
+          ],
+
+          elements: {
+            nodes: [
+              { data: { id: 'a' } },
+              { data: { id: 'b' } },
+              { data: { id: 'c' } },
+              { data: { id: 'd', parent: 'p' } },
+              { data: { id: 'p'} }
+            ],
+            edges: [
+
+            ]
+          }
+        });
+
+        var cdnd = cy.compoundDragAndDrop();
+        var removeEmptyParents = false;
+        var T = 5000;
+
+        var isParentOfOneChild = function(node){
+          return node.isParent() && node.children().length === 1;
+        };
+
+        var removeParent = function(parent){
+          parent.children().move({ parent: null });
+          parent.remove();
+        };
+
+        var removeParentsOfOneChild = function(){
+          cy.nodes().filter(isParentOfOneChild).forEach(removeParent);
+        };
+
+        // custom handler to remove parents with only 1 child on drop
+        cy.on('cdndout', function(event, dropTarget){
+          if( removeEmptyParents && isParentOfOneChild(dropTarget) ){
+            removeParent(dropTarget);
+          }
+        });
+
+        // custom handler to remove parents with only 1 child (on remove of drop target or drop sibling)
+        cy.on('remove', function(event){
+          if( removeEmptyParents ){
+            removeParentsOfOneChild();
+          }
+        });
+
+        var onClick = function(id, handler){
+          document.getElementById(id).addEventListener('click', handler);
+        };
+
+        onClick('remove-1ch-parents', function(){
+          removeEmptyParents = !removeEmptyParents;
+
+          if( removeEmptyParents ){
+            removeParentsOfOneChild();
+          }
+        });
+
+        onClick('rm-a', function(){
+          setTimeout(function(){ cy.$('#a').remove(); }, T);
+        });
+
+        onClick('rm-b', function(){
+          setTimeout(function(){ cy.$('#b').remove(); }, T);
+        });
+
+        onClick('rm-c', function(){
+          setTimeout(function(){ cy.$('#c').remove(); }, T);
+        });
+
+        onClick('rm-d', function(){
+          setTimeout(function(){ cy.$('#d').remove(); }, T);
+        });
+
+        onClick('rm-p', function(){
+          setTimeout(function(){ cy.$('#p').remove(); }, T);
+        });
+
+        onClick('add-e', function(){
+          setTimeout(function(){ cy.add({ data: { id: 'e' }, position: { x: 540, y: 400 } }); }, T);
+        });
+
+      });
+    </script>
+  </head>
+
+  <body>
+    <h1>cytoscape-compound-drag-and-drop testing demo</h1>
+
+    <div id="cy"></div>
+
+    <div id="options">
+        <input id="remove-1ch-parents" type="checkbox" value="false" />
+        <label for="remove-1ch-parents">Remove parents with only one child</label>
+        &nbsp;|&nbsp;
+        <label>Remove after 5s:</label>
+        <button id="rm-a">a</button>
+        <button id="rm-b">b</button>
+        <button id="rm-c">c</button>
+        <button id="rm-d">d</button>
+        <button id="rm-p">p</button>
+        &nbsp;|&nbsp;
+        <label>Add after 5s:</label>
+        <button id="add-e">e</button>
+    </div>
+  </body>
+
+</html>
diff --git a/demo.html b/demo.html
index 0c902c7..4cabe4f 100644
--- a/demo.html
+++ b/demo.html
@@ -3,14 +3,11 @@
 <html>
 
   <head>
-    <title>cytoscape-compound-drag-and-drop.js demo</title>
+    <title>cytoscape-compound-drag-and-drop demo</title>
 
     <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1">
 
-    <!-- <script src="https://unpkg.com/cytoscape/dist/cytoscape.min.js"></script> -->
-
-    <!-- for testing with local version of cytoscape.js -->
-    <script src="cytoscape.3.4.0-snapshot.umd.js"></script>
+    <script src="https://unpkg.com/cytoscape/dist/cytoscape.min.js"></script>
 
     <script src="cytoscape-compound-drag-and-drop.js"></script>
 
@@ -112,7 +109,6 @@
 
         var cdnd = cy.compoundDragAndDrop();
         var removeEmptyParents = false;
-        var T = 5000;
 
         var isParentOfOneChild = function(node){
           return node.isParent() && node.children().length === 1;
@@ -141,42 +137,14 @@
           }
         });
 
-        var onClick = function(id, handler){
-          document.getElementById(id).addEventListener('click', handler);
-        };
-
-        onClick('remove-1ch-parents', function(){
+        // toggle check handler
+        document.getElementById('remove-1ch-parents').addEventListener('click', function(){
           removeEmptyParents = !removeEmptyParents;
 
           if( removeEmptyParents ){
             removeParentsOfOneChild();
           }
         });
-
-        onClick('rm-a', function(){
-          setTimeout(function(){ cy.$('#a').remove(); }, T);
-        });
-
-        onClick('rm-b', function(){
-          setTimeout(function(){ cy.$('#b').remove(); }, T);
-        });
-
-        onClick('rm-c', function(){
-          setTimeout(function(){ cy.$('#c').remove(); }, T);
-        });
-
-        onClick('rm-d', function(){
-          setTimeout(function(){ cy.$('#d').remove(); }, T);
-        });
-
-        onClick('rm-p', function(){
-          setTimeout(function(){ cy.$('#p').remove(); }, T);
-        });
-
-        onClick('add-e', function(){
-          setTimeout(function(){ cy.add({ data: { id: 'e' }, position: { x: 540, y: 400 } }); }, T);
-        });
-
       });
     </script>
   </head>
@@ -189,16 +157,6 @@ <h1>cytoscape-compound-drag-and-drop demo</h1>
     <div id="options">
         <input id="remove-1ch-parents" type="checkbox" value="false" />
         <label for="remove-1ch-parents">Remove parents with only one child</label>
-        &nbsp;|&nbsp;
-        <label>Remove after 5s:</label>
-        <button id="rm-a">a</button>
-        <button id="rm-b">b</button>
-        <button id="rm-c">c</button>
-        <button id="rm-d">d</button>
-        <button id="rm-p">p</button>
-        &nbsp;|&nbsp;
-        <label>Add after 5s:</label>
-        <button id="add-e">e</button>
     </div>
   </body>
 
diff --git a/package.json b/package.json
index 1aa087b..04215fc 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "webpack": "^2.6.1"
   },
   "peerDependencies": {
-    "cytoscape": "^3.3.0"
+    "cytoscape": "^3.4.0"
   },
   "dependencies": {}
 }
diff --git a/pages/cytoscape.3.4.0-snapshot.umd.js b/pages/cytoscape.3.4.0-snapshot.umd.js
deleted file mode 120000
index 4178209..0000000
--- a/pages/cytoscape.3.4.0-snapshot.umd.js
+++ /dev/null
@@ -1 +0,0 @@
-../cytoscape.3.4.0-snapshot.umd.js
\ No newline at end of file
diff --git a/pages/demo-testing.html b/pages/demo-testing.html
new file mode 120000
index 0000000..f351e0f
--- /dev/null
+++ b/pages/demo-testing.html
@@ -0,0 +1 @@
+../demo-testing.html
\ No newline at end of file