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/**
* 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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