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Fix scope issue in DOM 2 event handlers

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This commit is contained in:
Brandon Aaron 2007-04-22 04:17:43 +00:00
parent 2ad223aedd
commit e0aa10a664
1 changed files with 18 additions and 12 deletions
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30
src/event/event.js
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@ -12,7 +12,7 @@ jQuery.event = {
// around, causing it to be cloned in the process
if ( jQuery.browser.msie && element.setInterval != undefined )
element = window;
// if data is passed, bind to handler
if( data != undefined ) {
// Create temporary function pointer to original handler
@ -22,13 +22,13 @@ jQuery.event = {
handler = function() {
// Pass arguments and context to original handler
return fn.apply(this, arguments);
};
};
// Store data in unique handler
handler.data = data;
handler.data = data;
// Set the guid of unique handler to the same of original handler, so it can be removed
handler.guid = fn.guid;
handler.guid = fn.guid;
}
// Make sure that the function being executed has a unique ID
@ -48,12 +48,18 @@ jQuery.event = {
// Add the function to the element's handler list
handlers[handler.guid] = handler;
if (!element.$handle) {
element.$handle = function() {
jQuery.event.handle.apply(element, arguments);
};
// And bind the global event handler to the element
if (element.addEventListener)
element.addEventListener(type, this.handle, false);
else if (element.attachEvent)
element.attachEvent("on" + type, this.handle, false);
// And bind the global event handler to the element
if (element.addEventListener)
element.addEventListener(type, element.$handle, false);
else if (element.attachEvent)
element.attachEvent("on" + type, element.$handle, false);
}
// Remember the function in a global list (for triggering)
if (!this.global[type])
@ -92,11 +98,11 @@ jQuery.event = {
// remove generic event handler if no more handlers exist
for ( ret in events[type] ) break;
if ( !ret ) {
ret = null;
if (element.removeEventListener)
element.removeEventListener(type, this.handle, false);
element.removeEventListener(type, element.$handle, false);
else if (element.detachEvent)
element.detachEvent("on" + type, this.handle, false);
element.detachEvent("on" + type, element.$handle, false);
ret = element.$handle = null;
delete events[type];
}
}