YUI.add("plugin",function(e,t){function n(t){!this.hasImpl||!this.hasImpl(e.Plugin.Base)?n.superclass.constructor.apply(this,arguments):n.prototype.initializer.apply(this,arguments)}n.ATTRS={host:{writeOnce:!0}},n.NAME="plugin",n.NS="plugin",e.extend(n,e.Base,{_handles:null,initializer:function(e){this._handles=[]},destructor:function(){if(this._handles)for(var e=0,t=this._handles.length;e<t;e++)this._handles[e].detach()},doBefore:function(e,t,n){var r=this.get("host"),i;return e in r?i=this.beforeHostMethod(e,t,n):r.on&&(i=this.onHostEvent(e,t,n)),i},doAfter:function(e,t,n){var r=this.get("host"),i;return e in r?i=this.afterHostMethod(e,t,n):r.after&&(i=this.afterHostEvent(e,t,n)),i},onHostEvent:function(e,t,n){var r=this.get("host").on(e,t,n||this);return this._handles.push(r),r},onceHostEvent:function(e,t,n){var r=this.get("host").once(e,t,n||this);return this._handles.push(r),r},afterHostEvent:function(e,t,n){var r=this.get("host").after(e,t,n||this);return this._handles.push(r),r},onceAfterHostEvent:function(e,t,n){var r=this.get("host").onceAfter(e,t,n||this);return this._handles.push(r),r},beforeHostMethod:function(t,n,r){var i=e.Do.before(n,this.get("host"),t,r||this);return this._handles.push(i),i},afterHostMethod:function(t,n,r){var i=e.Do.after(n,this.get("host"),t,r||this);return this._handles.push(i),i},toString:function(){return this.constructor.NAME+"["+this.constructor.NS+"]"}}),e.namespace("Plugin").Base=n},"3.18.1",{requires:["base-base"]});