include/javascript/yui3/build/event/event-delegate-min.js

   1 /*
   2  Copyright (c) 2009, Yahoo! Inc. All rights reserved.
   3  Code licensed under the BSD License:
   4  http://developer.yahoo.net/yui/license.txt
   5  version: 3.0.0
   6  build: 1549
   7  */
   8 YUI.add("event-delegate",function(B){var I=B.Event,F=B.Lang,E={},A={mouseenter:"mouseover",mouseleave:"mouseout"},H=function(K){try{if(K&&3==K.nodeType){return K.parentNode;}}catch(J){}return K;},D=function(K,P,M){var Q=H((P.target||P.srcElement)),N=E[K],T,O,L,S,R;var J=function(X,U,V){var W;if(!X||X===V){W=false;}else{W=B.Selector.test(X,U)?X:J(X.parentNode,U,V);}return W;};for(T in N){if(N.hasOwnProperty(T)){O=N[T];S=N.fn;L=null;if(B.Selector.test(Q,T,M)){L=Q;}else{if(B.Selector.test(Q,((T.replace(/,/gi," *,"))+" *"),M)){L=J(Q,T,M);}}if(L){if(!R){R=new B.DOMEventFacade(P,M);R.container=R.currentTarget;}R.currentTarget=B.Node.get(L);B.publish(O,{contextFn:function(){return R.currentTarget;}});if(S){S(R,O);}else{B.fire(O,R);}}}}},G=function(M,L,K){var O={focus:I._attachFocus,blur:I._attachBlur},N=O[M],J=[M,function(P){D(L,(P||window.event),K);},K];if(N){return N(J,{capture:true,facade:false});}else{return I._attach(J,{facade:false});}},C=B.cached(function(J){return J.replace(/[|,:]/g,"~");});B.Env.evt.plugins.delegate={on:function(O,N,M,J,K){var L=B.Array(arguments,0,true);L.splice(3,1);L[0]=J;return B.delegate.apply(B,L);}};I.delegate=function(R,U,K,W){if(!W){return false;}var O=B.Array(arguments,0,true),M=K,N;if(F.isString(K)){M=B.Selector.query(K,null,true);if(!M){N=I.onAvailable(K,function(){N.handle=I.delegate.apply(I,O);},I,true,false);return N;}}M=B.Node.getDOMNode(M);var S=B.stamp(M),L="delegate:"+S+R+C(W),J=R+S,Q=E[J],T,V,P;if(!Q){Q={};if(A[R]){if(!I._fireMouseEnter){return false;}R=A[R];Q.fn=I._fireMouseEnter;}T=G(R,J,M);B.after(function(X){if(T.sub==X){delete E[J];B.detachAll(L);}},T.evt,"_delete");Q.handle=T;E[J]=Q;}P=Q.listeners;Q.listeners=P?(P+1):1;Q[W]=L;O[0]=L;O.splice(2,2);V=B.on.apply(B,O);B.after(function(){Q.listeners=(Q.listeners-1);if(Q.listeners===0){Q.handle.detach();}},V,"detach");return V;};B.delegate=I.delegate;},"3.0.0",{requires:["node-base"]});