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Code Issues Releases Wiki Activity

More DOM utilities

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This commit is contained in:
Jeremy Ruston 2012-12-13 21:31:41 +00:00
parent 7c712c4e03
commit ce273a22f1
1 changed files with 40 additions and 0 deletions
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40
core/modules/utils/dom/dom.js
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@ -22,6 +22,12 @@ exports.domContains = function(a,b) {
!!(a.compareDocumentPosition(b) & 16);
};
exports.removeChildren = function(node) {
while(node.hasChildNodes()) {
node.removeChild(node.firstChild);
}
};
exports.hasClass = function(el,className) {
return el.className.split(" ").indexOf(className) !== -1;
};
@ -143,4 +149,38 @@ exports.pulseElement = function(element) {
$tw.utils.addClass(element,"pulse");
};
/*
Attach specified event handlers to a DOM node
*/
exports.addEventListeners = function(domNode,events) {
$tw.utils.each(events,function(eventInfo) {
var handler;
if(eventInfo.handlerFunction) {
handler = eventInfo.handlerFunction;
} else if(eventInfo.handlerObject) {
if(eventInfo.handlerMethod) {
handler = function(event) {
eventInfo.handlerObject[eventInfo.handlerMethod].call(eventInfo.handlerObject,event);
};
} else {
handler = eventInfo.handlerObject;
}
}
domNode.addEventListener(eventInfo.name,handler,false);
});
};
/*
Construct and dispatch a custom event
*/
exports.dispatchCustomEvent = function(target,name,members) {
var event = document.createEvent("Event");
event.initEvent(name,true,true);
$tw.utils.each(members,function(member,name) {
event[name] = member;
});
target.dispatchEvent(event);
};
})();