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TableFilter/src/event.js

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/**
* DOM event utilities
*/
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export default {
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add(obj, type, func, capture){
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if(obj.addEventListener){
obj.addEventListener(type, func, capture);
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}
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else if(obj.attachEvent){
obj.attachEvent('on'+type, func);
} else {
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obj['on'+type] = func;
}
},
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remove(obj, type, func, capture){
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if(obj.detachEvent){
obj.detachEvent('on'+type,func);
}
else if(obj.removeEventListener){
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obj.removeEventListener(type, func, capture);
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} else {
obj['on'+type] = null;
}
},
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stop(evt){
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if(!evt){
evt = window.event;
}
if(evt.stopPropagation){
evt.stopPropagation();
} else {
evt.cancelBubble = true;
}
},
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cancel(evt){
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if(!evt){
evt = window.event;
}
if(evt.preventDefault) {
evt.preventDefault();
} else {
evt.returnValue = false;
}
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},
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target(evt){
return (evt && evt.target) || (window.event && window.event.srcElement);
},
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keyCode(evt){
return evt.charCode ? evt.charCode :
(evt.keyCode ? evt.keyCode: (evt.which ? evt.which : 0));
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}
};