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1.4/1.4.1 and 1.4.2+ compatible event special .add method
// 1.4.2 (new plugins, use this)
$.event.special.foo = {
add: function( handleObj ) {
// Do something when event is bound here!
var old_handler = handleObj.handler;
handleObj.handler = function(event) {
// handleObj.type (string, 'foo' in this case)
// handleObj.data (anything)
// handleObj.namespace (string, sorted.namespace.list)
// Modify event object here!
old_handler.apply( this, arguments );
};
}
};
// 1.4, 1.4.1 and 1.4.2 (existing plugins, update for 1.4.2 this way)
$.event.special.foo = {
add: function( handleObj ) {
// Do something when event is bound here!
var old_handler;
function new_handler(event) {
// Modify event object here!
old_handler.apply( this, arguments );
};
// This may seem a little complicated, but it normalizes the special event
// .add method between jQuery 1.4/1.4.1 and 1.4.2+
if ( $.isFunction( handleObj ) ) {
// 1.4, 1.4.1
old_handler = handleObj;
return new_handler;
} else {
// 1.4.2+
old_handler = handleObj.handler;
handleObj.handler = new_handler;
}
}
};
// 1.4, 1.4.1 (for reference only, the way it used to be)
$.event.special.foo = {
add: function( handler, data, namespaces ) {
// Do something when event is bound here!
return function(event) {
// handler.type (string, sorted.namespace.list, NOT the event type)
// data (anything)
// namespaces (sorted array of namespace strings)
// Modify event object here!
handler.apply( this, arguments );
};
}
};
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