101 lines
2.9 KiB
JavaScript
Executable File
101 lines
2.9 KiB
JavaScript
Executable File
/**
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* eventHandler
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*
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* @author Icewind <icewind (at) derideal (dot) com>
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* @copyright 2009
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* @license http://www.gnu.org/licenses/gpl.html GNU Public License
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* @version 0.1
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*/
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/*event handling
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usage: document.events.add(node,type,function,arguments);
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or: node.addEvent(type,function,arguments);
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*/
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eventHandler=function(){
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this.holders=Array();
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}
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eventHandler.prototype={
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add:function(element,type,func,arguments){
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var holder=this.getHolderByElement(element);
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holder.addListner(type,func,arguments);
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},
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getHolderByElement:function(element){
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var holder=false;
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for (var i=0;i<this.holders.length;i++){
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if (this.holders[i].getElement()==element){
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var holder=this.holders[i];
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}
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}
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if (!holder){
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var holder=new eventHolder(element);
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this.holders[this.holders.length]=holder;
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}
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return holder;
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},
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trigger:function(element,type,event){
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var holder=eventHandler.getHolderByElement(element);
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return holder.trigerEvent.call(holder,type,event);
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}
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}
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eventHolder=function(element){
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this.element=element;
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this.listners=Array();
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}
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eventHolder.prototype={
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addListner:function(type,func,arguments){
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if (type && this.element){
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if (!this.listners[type]){
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this.listners[type]=Array();
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eval("callback=function(event){return holder.trigerEvent.call(holder,'"+type+"',event)}");
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if (this.element.tagName){//do we have a element (not an named event)
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var holder=this;
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//IE doesn't let you set the onload event the regulair way
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if (type=="onload" && this.element.addEventListener && window.ActiveXObject){
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this.element.addEventListener(type, callback, false);
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}else if (type=="onload" && this.element.attachEvent && window.ActiveXObject){
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this.element.attachEvent(type, callback);
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}else{
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eval("this.element."+type+"=function(event){return holder.trigerEvent.call(holder,'"+type+"',event)}");
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}
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}else{
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eval("this.element."+type+"=function(event){return holder.trigerEvent.call(holder,'"+type+"',event)}");
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}
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}
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var i=this.listners[type].length
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this.listners[type][i]=func;
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this.listners[type][i].applyArguments=arguments;
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}else{
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var i=this.listners.length
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this.listners[i]=func;
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this.listners[type][i].applyArguments=arguments;
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}
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},
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trigerEvent:function(type,event){
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if (type && this.element && this.listners[type]){
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for (var i=0;i<this.listners[type].length;i++){
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if(this.listners[type][i].applyArguments){
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return this.listners[type][i].apply(this,this.listners[type][i].applyArguments)
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}else{
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return this.listners[type][i].call();
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}
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}
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}else{
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for (var i=0;i<this.listners.length;i++){
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return this.listners[i](event);
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}
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}
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},
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getElement:function(){
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return this.element;
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}
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}
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document.events=new eventHandler();
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Node.prototype.addEvent=function(type,func,arguments){
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document.events.add(this,type,func,arguments);
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} |