moodle/lib/yuilib/3.17.2/event-custom-base/event-custom-base-min.js

/*
YUI 3.17.2 (build 9c3c78e)
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/

YUI.add("event-custom-base",function(e,t){e.Env.evt={handles:{},plugins:{}};var n=0,r=1,i={objs:null,before:function(t,r,i,s){var o=t,u;return s&&(u=[t,s].concat(e.Array(arguments,4,!0)),o=e.rbind.apply(e,u)),this._inject(n,o,r,i)},after:function(t,n,i,s){var o=t,u;return s&&(u=[t,s].concat(e.Array(arguments,4,!0)),o=e.rbind.apply(e,u)),this._inject(r,o,n,i)},_inject:function(t,n,r,i){var s=e.stamp(r),o,u;return r._yuiaop||(r._yuiaop={}),o=r._yuiaop,o[i]||(o[i]=new e.Do.Method(r,i),r[i]=function(){return o[i].exec.apply(o[i],arguments)}),u=s+e.stamp(n)+i,o[i].register(u,n,t),new e.EventHandle(o[i],u)},detach:function(e){e.detach&&e.detach()}};e.Do=i,i.Method=function(e,t){this.obj=e,this.methodName=t,this.method=e[t],this.before={},this.after={}},i.Method.prototype.register=function(e,t,n){n?this.after[e]=t:this.before[e]=t},i.Method.prototype._delete=function(e){delete this.before[e],delete this.after[e]},i.Method.prototype.exec=function(){var t=e.Array(arguments,0,!0),n,r,s,o=this.before,u=this.after,a=!1;for(n in o)if(o.hasOwnProperty(n)){r=o[n].apply(this.obj,t);if(r)switch(r.constructor){case i.Halt:return r.retVal;case i.AlterArgs:t=r.newArgs;break;case i.Prevent:a=!0;break;default:}}a||(r=this.method.apply(this.obj,t)),i.originalRetVal=r,i.currentRetVal=r;for(n in u)if(u.hasOwnProperty(n)){s=u[n].apply(this.obj,t);if(s&&s.constructor===i.Halt)return s.retVal;s&&s.constructor===i.AlterReturn&&(r=s.newRetVal,i.currentRetVal=r)}return r},i.AlterArgs=function(e,t){this.msg=e,this.newArgs=t},i.AlterReturn=function(e,t){this.msg=e,this.newRetVal=t},i.Halt=function(e,t){this.msg=e,this.retVal=t},i.Prevent=function(e){this.msg=e},i.Error=i.Halt;var s=e.Array,o="after",u=["broadcast","monitored","bubbles","context","contextFn","currentTarget","defaultFn","defaultTargetOnly","details","emitFacade","fireOnce","async","host","preventable","preventedFn","queuable","silent","stoppedFn","target","type"],a=s.hash(u),f=Array.prototype.slice,l=9,c="yui:log",h=function(e,t,n){var r;for(r in t)a[r]&&(n||!(r in e))&&(e[r]=t[r]);return e};e.CustomEvent=function(t,n){this._kds=e.CustomEvent.keepDeprecatedSubs,this.id=e.guid(),this.type=t,this.silent=this.logSystem=t===c,this._kds&&(this.subscribers={},this.afters={}),n&&h(this,n,!0)},e.CustomEvent.keepDeprecatedSubs=!1,e.CustomEvent.mixConfigs=h,e.CustomEvent.prototype={constructor:e.CustomEvent,signature:l,context:e,preventable:!0,bubbles:!0,hasSubs:function(e){var t=0,n=0,r=this._subscribers,i=this._afters,s=this.sibling;return r&&(t=r.length),i&&(n=i.length),s&&(r=s._subscribers,i=s._afters,r&&(t+=r.length),i&&(n+=i.length)),e?e==="after"?n:t:t+n},monitor:function(e){this.monitored=!0;var t=this.id+"|"+this.type+"_"+e,n=f.call(arguments,0);return n[0]=t,this.host.on.apply(this.host,n)},getSubs:function(){var e=this.sibling,t=this._subscribers,n=this._afters,r,i;return e&&(r=e._subscribers,i=e._afters),r?t?t=t.concat(r):t=r.concat():t?t=t.concat():t=[],i?n?n=n.concat(i):n=i.concat():n?n=n.concat():n=[],[t,n]},applyConfig:function(e,t){h(this,e,t)},_on:function(t,n,r,i){var s=new e.Subscriber(t,n,r,i),u;return this.fireOnce&&this.fired&&(u=this.firedWith,this.emitFacade&&this._addFacadeToArgs&&this._addFacadeToArgs(u),this.async?setTimeout(e.bind(this._notify,this,s,u),0):this._notify(s,u)),i===o?(this._afters||(this._afters=[]),this._afters.push(s)):(this._subscribers||(this._subscribers=[]),this._subscribers.push(s)),this._kds&&(i===o?this.afters[s.id]=s:this.subscribers[s.id]=s),new e.EventHandle(this,s)},subscribe:function(e,t){var n=arguments.length>2?f.call(arguments,2):null;return this._on(e,t,n,!0)},on:function(e,t){var n=arguments.length>2?f.call(arguments,2):null;return this.monitored&&this.host&&this.host._monitor("attach",this,{args:arguments}),this._on(e,t,n,!0)},after:function(e,t){var n=arguments.length>2?f.call(arguments,2):null;return this._on(e,t,n,o)},detach:function(e,t){if(e&&e.detach)return e.detach();var n,r,i=0,s=this._subscribers,o=this._afters;if(s)for(n=s.length;n>=0;n--)r=s[n],r&&(!e||e===r.fn)&&(this._delete(r,s,n),i++);if(o)for(n=o.length;n>=0;n--)r=o[n],
default:r||t?(t=t||[],r=r?t.concat(r):t,i=this.fn.apply(e,r)):i=this.fn.call(e)}return this.once&&n._delete(this),i},notify:function(t,n){var r=this.context,i=!0;r||(r=n.contextFn?n.contextFn():n.context);if(e.config&&e.config.throwFail)i=this._notify(r,t,n);else try{i=this._notify(r,t,n)}catch(s){e.error(this+" failed: "+s.message,s)}return i},contains:function(e,t){return t?this.fn===e&&this.context===t:this.fn===e},valueOf:function(){return this.id}},e.EventHandle=function(e,t){this.evt=e,this.sub=t},e.EventHandle.prototype={batch:function(t,n){t.call(n||this,this),e.Lang.isArray(this.evt)&&e.Array.each(this.evt,function(e){e.batch.call(n||e,t)})},detach:function(){var t=this.evt,n=0,r;if(t)if(e.Lang.isArray(t))for(r=0;r<t.length;r++)n+=t[r].detach();else t._delete(this.sub),n=1;return n},monitor:function(e){return this.evt.monitor.apply(this.evt,arguments)}};var p=e.Lang,d=":",v="|",m="~AFTER~",g=/(.*?)(:)(.*?)/,y=e.cached(function(e){return e.replace(g,"*$2$3")}),b=function(e,t){return!t||!e||e.indexOf(d)>-1?e:t+d+e},w=e.cached(function(e,t){var n=e,r,i,s;return p.isString(n)?(s=n.indexOf(m),s>-1&&(i=!0,n=n.substr(m.length)),s=n.indexOf(v),s>-1&&(r=n.substr(0,s),n=n.substr(s+1),n==="*"&&(n=null)),[r,t?b(n,t):n,i,n]):n}),E=function(t){var n=this._yuievt,r;n||(n=this._yuievt={events:{},targets:null,config:{host:this,context:this},chain:e.config.chain}),r=n.config,t&&(h(r,t,!0),t.chain!==undefined&&(n.chain=t.chain),t.prefix&&(r.prefix=t.prefix))};E.prototype={constructor:E,once:function(){var e=this.on.apply(this,arguments);return e.batch(function(e){e.sub&&(e.sub.once=!0)}),e},onceAfter:function(){var e=this.after.apply(this,arguments);return e.batch(function(e){e.sub&&(e.sub.once=!0)}),e},parseType:function(e,t){return w(e,t||this._yuievt.config.prefix)},on:function(t,n,r){var i=this._yuievt,s=w(t,i.config.prefix),o,u,a,l,c,h,d,v=e.Env.evt.handles,g,y,b,E=e.Node,S,x,T;this._monitor("attach",s[1],{args:arguments,category:s[0],after:s[2]});if(p.isObject(t))return p.isFunction(t)?e.Do.before.apply(e.Do,arguments):(o=n,u=r,a=f.call(arguments,0),l=[],p.isArray(t)&&(T=!0),g=t._after,delete t._after,e.each(t,function(e,t){p.isObject(e)&&(o=e.fn||(p.isFunction(e)?e:o),u=e.context||u);var n=g?m:"";a[0]=n+(T?e:t),a[1]=o,a[2]=u,l.push(this.on.apply(this,a))},this),i.chain?this:new e.EventHandle(l));h=s[0],g=s[2],b=s[3];if(E&&e.instanceOf(this,E)&&b in E.DOM_EVENTS)return a=f.call(arguments,0),a.splice(2,0,E.getDOMNode(this)),e.on.apply(e,a);t=s[1];if(e.instanceOf(this,YUI)){y=e.Env.evt.plugins[t],a=f.call(arguments,0),a[0]=b,E&&(S=a[2],e.instanceOf(S,e.NodeList)?S=e.NodeList.getDOMNodes(S):e.instanceOf(S,E)&&(S=E.getDOMNode(S)),x=b in E.DOM_EVENTS,x&&(a[2]=S));if(y)d=y.on.apply(e,a);else if(!t||x)d=e.Event._attach(a)}return d||(c=i.events[t]||this.publish(t),d=c._on(n,r,arguments.length>3?f.call(arguments,3):null,g?"after":!0),t.indexOf("*:")!==-1&&(this._hasSiblings=!0)),h&&(v[h]=v[h]||{},v[h][t]=v[h][t]||[],v[h][t].push(d)),i.chain?this:d},subscribe:function(){return this.on.apply(this,arguments)},detach:function(t,n,r){var i=this._yuievt.events,s,o=e.Node,u=o&&e.instanceOf(this,o);if(!t&&this!==e){for(s in i)i.hasOwnProperty(s)&&i[s].detach(n,r);return u&&e.Event.purgeElement(o.getDOMNode(this)),this}var a=w(t,this._yuievt.config.prefix),l=p.isArray(a)?a[0]:null,c=a?a[3]:null,h,d=e.Env.evt.handles,v,m,g,y,b=function(e,t,n){var r=e[t],i,s;if(r)for(s=r.length-1;s>=0;--s)i=r[s].evt,(i.host===n||i.el===n)&&r[s].detach()};if(l){m=d[l],t=a[1],v=u?e.Node.getDOMNode(this):this;if(m){if(t)b(m,t,v);else for(s in m)m.hasOwnProperty(s)&&b(m,s,v);return this}}else{if(p.isObject(t)&&t.detach)return t.detach(),this;if(u&&(!c||c in o.DOM_EVENTS))return g=f.call(arguments,0),g[2]=o.getDOMNode(this),e.detach.apply(e,g),this}h=e.Env.evt.plugins[c];if(e.instanceOf(this,YUI)){g=f.call(arguments,0);if(h&&h.detach)return h.detach.apply(e,g),this;if(!t||!h&&o&&t in o.DOM_EVENTS)return g[0]=t,e.Event.detach.apply(e.Event,g),this}return y=i[a[1]],y&&y.detach(n,r),this},unsubscribe:function(){return this.detach.apply(this,arguments)},detachAll:funct
(this,arguments)}},e.EventTarget=E,e.mix(e,E.prototype),E.call(e,{bubbles:!1}),YUI.Env.globalEvents=YUI.Env.globalEvents||new E,e.Global=YUI.Env.globalEvents},"3.17.2",{requires:["oop"]});