diff options
Diffstat (limited to 'js/lib_event.js')
| -rwxr-xr-x | js/lib_event.js | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/js/lib_event.js b/js/lib_event.js new file mode 100755 index 00000000000..9d5df93e2a1 --- /dev/null +++ b/js/lib_event.js @@ -0,0 +1,101 @@ +/** + * eventHandler + * + * @author Icewind <icewind (at) derideal (dot) com> + * @copyright 2009 + * @license http://www.gnu.org/licenses/gpl.html GNU Public License + * @version 0.1 + */ + +/*event handling +usage: document.events.add(node,type,function,arguments); + or: node.addEvent(type,function,arguments); +*/ + +eventHandler=function(){ + this.holders=Array(); +} + +eventHandler.prototype={ + add:function(element,type,func,arguments){ + var holder=this.getHolderByElement(element); + holder.addListner(type,func,arguments); + }, + getHolderByElement:function(element){ + var holder=false; + for (var i=0;i<this.holders.length;i++){ + if (this.holders[i].getElement()==element){ + var holder=this.holders[i]; + } + } + if (!holder){ + var holder=new eventHolder(element); + this.holders[this.holders.length]=holder; + } + return holder; + }, + trigger:function(element,type,event){ + var holder=eventHandler.getHolderByElement(element); + return holder.trigerEvent.call(holder,type,event); + } +} + +eventHolder=function(element){ + this.element=element; + this.listners=Array(); +} + +eventHolder.prototype={ + addListner:function(type,func,arguments){ + if (type && this.element){ + if (!this.listners[type]){ + this.listners[type]=Array(); + eval("callback=function(event){return holder.trigerEvent.call(holder,'"+type+"',event)}"); + if (this.element.tagName){//do we have a element (not an named event) + var holder=this; + //IE doesn't let you set the onload event the regulair way + if (type=="onload" && this.element.addEventListener && window.ActiveXObject){ + this.element.addEventListener(type, callback, false); + }else if (type=="onload" && this.element.attachEvent && window.ActiveXObject){ + this.element.attachEvent(type, callback); + }else{ + eval("this.element."+type+"=function(event){return holder.trigerEvent.call(holder,'"+type+"',event)}"); + } + }else{ + eval("this.element."+type+"=function(event){return holder.trigerEvent.call(holder,'"+type+"',event)}"); + } + } + var i=this.listners[type].length + this.listners[type][i]=func; + this.listners[type][i].applyArguments=arguments; + }else{ + var i=this.listners.length + this.listners[i]=func; + this.listners[type][i].applyArguments=arguments; + } + }, + trigerEvent:function(type,event){ + if (type && this.element && this.listners[type]){ + for (var i=0;i<this.listners[type].length;i++){ + if(this.listners[type][i].applyArguments){ + return this.listners[type][i].apply(this,this.listners[type][i].applyArguments) + }else{ + return this.listners[type][i].call(); + } + } + }else{ + for (var i=0;i<this.listners.length;i++){ + return this.listners[i](event); + } + } + }, + getElement:function(){ + return this.element; + } +} + +document.events=new eventHandler(); + +Node.prototype.addEvent=function(type,func,arguments){ + document.events.add(this,type,func,arguments); +}
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