/* cbe_event.js
 * CBE v4b10 : Cross-Browser DHTML API for IE, Gecko, Opera, Netscape, Konqueror and similar browsers. Download at cross-browser.com
 * Copyright (c) 2002 Michael Foster (mike@cross-browser.com)
 * This library is distributed under the terms of the GNU Lesser General Public License (gnu.org).
*/
function cbeELReg(eventType,eventListener,eventCapture){
this.type=eventType;
this.listener=eventListener;
this.capture=eventCapture;
}
function CrossBrowserEvent(e){
this.AT_TARGET=1;
this.BUBBLING_PHASE=2;
this.CAPTURING_PHASE=3;
this.LEFT=0;
this.MIDDLE=1;
this.RIGHT=2;
if(is.ie){
this.type=window.event.type;
this.target=window.event.srcElement;
this.currentTarget=window.event.toElement;
this.eventPhase=0;
this.bubbles=0;
this.cancelable=0;
this.timeStamp=0;
this.screenX=window.event.screenX;
this.screenY=window.event.screenY;
this.clientX=window.event.clientX;
this.clientY=window.event.clientY;
this.ctrlKey=window.event.ctrlKey;
this.shiftKey=window.event.shiftKey;
this.altKey=window.event.altKey;
this.metaKey=0;
if(this.type.indexOf('mouse')!=-1){
if(window.event.button==1)this.button=this.LEFT;
else if(window.event.button==4)this.button=this.MIDDLE;
else if(window.event.button==2)this.button=this.RIGHT;
else this.button=3;
}
else if(this.type=='click')this.button=this.LEFT;
else this.button=4;
this.relatedTarget=window.event.fromElement;
this.keyCode=window.event.keyCode;
this.offsetX=0;
this.offsetY=0;
this.pageX=this.clientX+document.cbe.scrollLeft();
this.pageY=this.clientY+document.cbe.scrollTop();
}
else if(is.gecko){
this.type=e.type;
this.target=e.target;
this.currentTarget=e.currentTarget;
this.eventPhase=e.eventPhase;
this.bubbles=e.bubbles;
this.cancelable=e.cancelable;
this.timeStamp=e.timeStamp;
this.screenX=e.screenX;
this.screenY=e.screenY;
this.clientX=e.clientX;
this.clientY=e.clientY;
this.ctrlKey=e.ctrlKey;
this.shiftKey=e.shiftKey;
this.altKey=e.altKey;
this.metaKey=e.metaKey;
if(this.type.indexOf('mouse')!=-1){
this.button=e.button;
if(this.button<0||this.button>2)this.button=3;
}
else if(this.type=='click')this.button=this.LEFT;
else this.button=4;
this.relatedTarget=e.relatedTarget;
this.keyCode=e.which;
this.offsetX=e.layerX;
this.offsetY=e.layerY;
this.pageX=this.clientX+document.cbe.scrollLeft();
this.pageY=this.clientY+document.cbe.scrollTop();
}
else if(is.nav){
this.type=e.type;
this.target=e.target;
this.currentTarget=null;
this.eventPhase=0;
this.bubbles=0;
this.cancelable=0;
this.timeStamp=0;
this.screenX=e.screenX;
this.screenY=e.screenY;
this.clientX=e.pageX-document.cbe.scrollLeft();
this.clientY=e.pageY-document.cbe.scrollTop();
this.ctrlKey=(e.modifiers&Event.CONTROL_MASK)!=0;
this.shiftKey=(e.modifiers&Event.SHIFT_MASK)!=0;
this.altKey=(e.modifiers&Event.ALT_MASK)!=0;
this.metaKey=0;
if(this.type.indexOf('mouse')!=-1){
this.button=e.which-1;
if(this.button<0||this.button>2)this.button=3;
}
else if(this.type=='click')this.button=this.LEFT;
else this.button=4;
this.relatedTarget=null;
this.keyCode=e.which;
this.offsetX=e.layerX;
this.offsetY=e.layerY;
this.pageX=e.pageX;
this.pageY=e.pageY;
}
else if(is.opera){
this.type=e.type;
this.target=e.target;
this.currentTarget=null;
this.eventPhase=0;
this.bubbles=0;
this.cancelable=0;
this.timeStamp=0;
this.screenX=e.screenX;
this.screenY=e.screenY;
this.clientX=e.clientX-document.cbe.scrollLeft();
this.clientY=e.clientY-document.cbe.scrollTop();
this.ctrlKey=e.type=='mousemove'?e.shiftKey:e.ctrlKey;
this.shiftKey=e.type=='mousemove'?e.ctrlKey:e.shiftKey;
this.altKey=e.altKey;
this.metaKey=0;
if((e.type=='click'&&e.which==0)||((e.type=='mousedown'||e.type=='mouseup')&&e.which==1))
this.button=this.LEFT;
this.relatedTarget=null;
this.keyCode=e.which;
this.offsetX=0;
this.offsetY=0;
this.pageX=e.clientX;
this.pageY=e.clientY;
}
this.bubbles=true;
this.cancelable=true;
this.stopPropagationFlag=false;
this.preventDefaultFlag=false;
if(is.nav4){
this.cbeTarget=cbeGetNodeFromPoint(this.pageX,this.pageY);
if(this.type=='mouseover')cbeMOT=this.cbeTarget;
else if(this.type=='mouseout')this.cbeTarget=cbeMOT||document.cbe;
}
else {
var target=this.target;
while(!target.cbe)target=cbeGetParentElement(target);
this.cbeTarget=target.cbe;
}
this.cbeCurrentTarget=this.cbeTarget;
if(is.ie||is.opera){
this.offsetX=this.pageX-this.cbeTarget.pageX();
this.offsetY=this.pageY-this.cbeTarget.pageY();
}
}
CrossBrowserElement.prototype.addEventListener=function(eventType,eventListener,useCapture){
if(!useCapture)useCapture=false;
eventType=eventType.toLowerCase();
if((eventType.indexOf('mouse')!=-1)||eventType=='click'||(eventType.indexOf('key')!=-1)){
var add=true;
for(var i=0;i<this.listeners.length;++i){if(eventType==this.listeners[i].type){add=false;break;}}
if(add){
cbeNativeAddEventListener(this.ele,eventType,cbePropagateEvent,false);
}
this.listeners[this.listeners.length]=new cbeELReg(eventType,eventListener,useCapture);
return;
}
switch(eventType){
case'slidestart':this.onslidestart=eventListener;return;
case'slide':this.onslide=eventListener;return;
case'slideend':this.onslideend=eventListener;return;
case'dragstart':this.ondragstart=eventListener;return;
case'drag':
this.ondragCapture=useCapture;
this.ondrag=eventListener;
this.addEventListener('mousedown',cbeDragStartEvent,useCapture);
return;
case'dragend':this.ondragend=eventListener;return;
case'dragresize':if(window.cbeUtilJsLoaded)cbeAddDragResizeListener(this);return;
case'scroll':
if(is.nav||is.opera){
window.cbeOldScrollTop=cbePageYOffset();
window.cbeOnScrollListener=eventListener;
cbeScrollEvent();
return;
}
break;
case'resize':
if(is.nav4||is.opera){
window.cbeOldWidth=cbeInnerWidth();
window.cbeOldHeight=cbeInnerHeight();
window.cbeOnResizeListener=eventListener;
cbeResizeEvent();
return;
}
break;
}
cbeNativeAddEventListener(this.ele,eventType,eventListener,useCapture);
}
function cbeNativeAddEventListener(ele,eventType,eventListener,useCapture){
if(!useCapture)useCapture=false;
eventType=eventType.toLowerCase();
var eh="ele.on"+eventType+"=eventListener";
if(is.dom2events){
ele.addEventListener(eventType,eventListener,useCapture);
}
else if(ele.captureEvents){
ele.captureEvents(eval("Event."+eventType.toUpperCase()));
eval(eh);
}
else {eval(eh);}
}
function cbeNativeRemoveEventListener(ele,eventType,eventListener,useCapture){
if(!useCapture)useCapture=false;
eventType=eventType.toLowerCase();
var eh="ele.on"+eventType+"=null";
if(is.dom2events){
ele.removeEventListener(eventType,eventListener,useCapture);
}
else if(ele.releaseEvents){
ele.releaseEvents(eval("Event."+eventType.toUpperCase()));
eval(eh);
}
else {eval(eh);}
}
CrossBrowserElement.prototype.removeEventListener=function(eventType,eventListener,useCapture){
eventType=eventType.toLowerCase();
if(!useCapture)useCapture=false;
if((eventType.indexOf('mouse')!=-1)||eventType=='click'||(eventType.indexOf('key')!=-1)){
var i;
for(i=0;i<this.listeners.length;++i){
if(this.listeners[i].type==eventType&&this.listeners[i].listener==eventListener&&this.listeners[i].capture==useCapture){
if(this.listeners.splice)this.listeners.splice(i,1);
else this.listeners[i].type="*";
break;
}
}
var remove=true;
for(i=0;i<this.listeners.length;++i){if(eventType==this.listeners[i].type){remove=false;break;}}
if(remove)cbeNativeRemoveEventListener(this.ele,eventType,cbePropagateEvent,false);
return;
}
switch(eventType){
case'slidestart':this.onslidestart=null;return;
case'slide':this.onslide=null;return;
case'slideend':this.onslideend=null;return;
case'dragstart':this.ondragstart=null;return;
case'drag':
this.removeEventListener('mousedown',cbeDragStartEvent,this.ondragCapture);
this.ondrag=null;
return;
case'dragend':this.ondragend=null;return;
case'dragresize':if(window.cbeUtilJsLoaded)cbeRemoveDragResizeListener(this);return;
case'scroll':
if(is.nav||is.opera){
window.cbeOnScrollListener=null;
return;
}
break;
case'resize':
if(is.nav4||is.opera){
window.cbeOnResizeListener=null;
return;
}
break;
}
cbeNativeRemoveEventListener(this.ele,eventType,eventListener,useCapture);
}
CrossBrowserEvent.prototype.stopPropagation=function(){this.stopPropagationFlag=true;}
CrossBrowserEvent.prototype.preventDefault=function(){this.preventDefaultFlag=true;}
CrossBrowserElement.prototype.dispatchEvent=function(e){
var dispatch;
e.cbeCurrentTarget=this;
for(var i=0;i<this.listeners.length;++i){
dispatch=false;
if(e.type==this.listeners[i].type){
if(e.eventPhase==e.CAPTURING_PHASE){
if(this.listeners[i].capture)dispatch=true;
}
else if(!this.listeners[i].capture)dispatch=true;
}
if(dispatch){cbeEval(this.listeners[i].listener,e);}
}
}
function cbePropagateEvent(evt){
var i=0,a=new Array();
var e=new CrossBrowserEvent(evt);
var node=e.cbeTarget.parentNode;
while(node){
a[i++]=node;
node=node.parentNode;
}
e.eventPhase=e.CAPTURING_PHASE;
for(i=a.length-1;i>=0;--i){
a[i].dispatchEvent(e);
if(e.stopPropagationFlag)break;
}
if(!e.stopPropagationFlag){
e.eventPhase=e.AT_TARGET;
e.cbeTarget.dispatchEvent(e);
if(!e.stopPropagationFlag&&e.bubbles){
e.eventPhase=e.BUBBLING_PHASE;
for(i=0;i<a.length;++i){
a[i].dispatchEvent(e);
if(e.stopPropagationFlag)break;
}
}
}
if(is.ie)window.event.cancelBubble=true;
else if(is.gecko)evt.stopPropagation();
if(e.cancelable&&e.preventDefaultFlag){
if(is.gecko||is.opera)evt.preventDefault();
return false;
}
else return true;
}
function cbeGetNodeFromPoint(x,y){
var hn/* highNode */,hz=0/* highZ */,cn/* currentNode */,cz/* currentZ */;
hn=document.cbe;
while(hn.firstChild&&hz>=0){
hz=-1;
cn=hn.firstChild;
while(cn){
if(cn.contains(x,y)){
cz=cn.zIndex();
if(cz>=hz){
hn=cn;
hz=cz;
}
}
cn=cn.nextSibling;
}
}
return hn;
}
function cbeScrollEvent(){
if(!window.cbeOnScrollListener){return;}
if(cbePageYOffset()!=window.cbeOldScrollTop){
cbeEval(window.cbeOnScrollListener);
window.cbeOldScrollTop=cbePageYOffset();
}
setTimeout("cbeScrollEvent()",250);
}
function cbeResizeEvent(){
if(!window.cbeOnResizeListener){return;}
if(cbeInnerWidth()!=window.cbeOldWidth||cbeInnerHeight()!=window.cbeOldHeight){
cbeEval(window.cbeOnResizeListener);
window.cbeOldWidth=cbeInnerWidth();
window.cbeOldHeight=cbeInnerHeight();
}
setTimeout("cbeResizeEvent()",250);
}
function cbeDefaultResizeListener(){
if(is.opera)location.replace(location.href);
else history.go(0);
}
var cbeDragObj,cbeDragTarget,cbeDragPhase;
function cbeDragStartEvent(e){
if(is.opera){var tn=e.target.tagName.toLowerCase();if(tn=='a')return;}
else if(is.nav4){if(e.target.href)return;}
cbeDragObj=e.cbeCurrentTarget;
cbeDragTarget=e.cbeTarget;
if(cbeDragTarget.id==cbeDragObj.id)cbeDragPhase=e.AT_TARGET;
else if(cbeDragObj.ondragCapture)cbeDragPhase=e.CAPTURING_PHASE;
else cbeDragPhase=e.BUBBLING_PHASE;
if(cbeDragObj){
if(cbeDragObj.ondragstart){e.type='dragstart';cbeEval(cbeDragObj.ondragstart,e);e.type='mousedown';}
cbeDragObj.x=e.pageX;
cbeDragObj.y=e.pageY;
document.cbe.addEventListener('mousemove',cbeDragEvent,cbeDragObj.ondragCapture);
document.cbe.addEventListener('mouseup',cbeDragEndEvent,false);
}
e.stopPropagation();
e.preventDefault();
}
function cbeDragEndEvent(e){
document.cbe.removeEventListener('mousemove',cbeDragEvent,cbeDragObj.ondragCapture);
document.cbe.removeEventListener('mouseup',cbeDragEndEvent,false);
if(cbeDragObj.ondragend){
e.type='dragend';
e.cbeCurrentTarget=cbeDragObj;
e.cbeTarget=cbeDragTarget;
cbeEval(cbeDragObj.ondragend,e);
e.type='mouseup';
}
e.preventDefault();
}
function cbeDragEvent(e){
if(cbeDragObj){
e.dx=e.pageX-cbeDragObj.x;
e.dy=e.pageY-cbeDragObj.y;
cbeDragObj.x=e.pageX;
cbeDragObj.y=e.pageY;
e.type='drag';
e.cbeTarget=cbeDragTarget;
e.cbeCurrentTarget=cbeDragObj;
e.eventPhase=cbeDragPhase;
if(cbeDragObj.ondrag)cbeEval(cbeDragObj.ondrag,e);
else cbeDragObj.moveBy(e.dx,e.dy);
e.type='mousemove';
}
e.preventDefault();
}
var cbeEventPhase=new Array('','AT_TARGET','BUBBLING_PHASE','CAPTURING_PHASE');
var cbeButton=new Array('LEFT','MIDDLE','RIGHT','undefined','non-mouse event');
CrossBrowserElement.prototype.ondragstart=null;
CrossBrowserElement.prototype.ondrag=null;
CrossBrowserElement.prototype.ondragend=null;
var cbeEventJsLoaded=true;