// Bind an event to an element
// Original by Dean Edwards
- add: function(element, types, handler, data) {
- if ( element.nodeType == 3 || element.nodeType == 8 )
+ add: function(elem, types, handler, data) {
+ if ( elem.nodeType == 3 || elem.nodeType == 8 )
return;
// For whatever reason, IE has trouble passing the window object
// around, causing it to be cloned in the process
- if ( jQuery.browser.msie && element.setInterval != undefined )
- element = window;
+ if ( jQuery.browser.msie && elem.setInterval != undefined )
+ elem = window;
// Make sure that the function being executed has a unique ID
if ( !handler.guid )
}
// Init the element's event structure
- var events = jQuery.data(element, "events") || jQuery.data(element, "events", {}),
- handle = jQuery.data(element, "handle") || jQuery.data(element, "handle", function(){
+ var events = jQuery.data(elem, "events") || jQuery.data(elem, "events", {}),
+ handle = jQuery.data(elem, "handle") || jQuery.data(elem, "handle", function(){
// returned undefined or false
var val;
if ( typeof jQuery == "undefined" || jQuery.event.triggered )
return val;
- val = jQuery.event.handle.apply(element, arguments);
+ val = jQuery.event.handle.apply(elem, arguments);
return val;
});
// Check for a special event handler
// Only use addEventListener/attachEvent if the special
// events handler returns false
- if ( !jQuery.event.special[type] || jQuery.event.special[type].setup.call(element) === false ) {
+ if ( !jQuery.event.special[type] || jQuery.event.special[type].setup.call(elem) === false ) {
// Bind the global event handler to the element
- if (element.addEventListener)
- element.addEventListener(type, handle, false);
- else if (element.attachEvent)
- element.attachEvent("on" + type, handle);
+ if (elem.addEventListener)
+ elem.addEventListener(type, handle, false);
+ else if (elem.attachEvent)
+ elem.attachEvent("on" + type, handle);
}
}
global: {},
// Detach an event or set of events from an element
- remove: function(element, types, handler) {
+ remove: function(elem, types, handler) {
// don't do events on text and comment nodes
- if ( element.nodeType == 3 || element.nodeType == 8 )
+ if ( elem.nodeType == 3 || elem.nodeType == 8 )
return;
- var events = jQuery.data(element, "events"), ret, index;
+ var events = jQuery.data(elem, "events"), ret, index;
if ( events ) {
// Unbind all events for the element
if ( !types )
for ( var type in events )
- this.remove( element, type );
+ this.remove( elem, type );
else {
// types is actually an event object here
if ( types.type ) {
// remove generic event handler if no more handlers exist
for ( ret in events[type] ) break;
if ( !ret ) {
- if ( !jQuery.event.special[type] || jQuery.event.special[type].teardown.call(this, element) === false ) {
- if (element.removeEventListener)
- element.removeEventListener(type, jQuery.data(element, "handle"), false);
- else if (element.detachEvent)
- element.detachEvent("on" + type, jQuery.data(element, "handle"));
+ if ( !jQuery.event.special[type] || jQuery.event.special[type].teardown.call(this, elem) === false ) {
+ if (elem.removeEventListener)
+ elem.removeEventListener(type, jQuery.data(elem, "handle"), false);
+ else if (elem.detachEvent)
+ elem.detachEvent("on" + type, jQuery.data(elem, "handle"));
}
ret = null;
delete events[type];
// Remove the expando if it's no longer used
for ( ret in events ) break;
if ( !ret ) {
- jQuery.removeData( element, "events" );
- jQuery.removeData( element, "handle" );
+ jQuery.removeData( elem, "events" );
+ jQuery.removeData( elem, "handle" );
}
}
},
- trigger: function(type, data, element, donative, extra) {
+ trigger: function(type, data, elem, donative, extra) {
// Clone the incoming data, if any
data = jQuery.makeArray(data || []);
// Handle a global trigger
- if ( !element ) {
+ if ( !elem ) {
// Only trigger if we've ever bound an event for it
if ( this.global[type] )
jQuery("*").add([window, document]).trigger(type, data);
// Handle triggering a single element
} else {
// don't do events on text and comment nodes
- if ( element.nodeType == 3 || element.nodeType == 8 )
+ if ( elem.nodeType == 3 || elem.nodeType == 8 )
return undefined;
- var val, ret, fn = jQuery.isFunction( element[ type ] || null ),
+ var val, ret, fn = jQuery.isFunction( elem[ type ] || null ),
// Check to see if we need to provide a fake event, or not
event = !data[0] || !data[0].preventDefault;
// Pass along a fake event
if ( event )
- data.unshift( this.fix({ type: type, target: element }) );
+ data.unshift( this.fix({ type: type, target: elem }) );
// Enforce the right trigger type
data[0].type = type;
// Trigger the event
- if ( jQuery.isFunction( jQuery.data(element, "handle") ) )
- val = jQuery.data(element, "handle").apply( element, data );
+ if ( jQuery.isFunction( jQuery.data(elem, "handle") ) )
+ val = jQuery.data(elem, "handle").apply( elem, data );
// Handle triggering native .onfoo handlers
- if ( !fn && element["on"+type] && element["on"+type].apply( element, data ) === false )
+ if ( !fn && elem["on"+type] && elem["on"+type].apply( elem, data ) === false )
val = false;
// Extra functions don't get the custom event object
// Handle triggering of extra function
if ( extra ) {
// call the extra function and tack the current return value on the end for possible inspection
- var ret = extra.apply( element, data.concat( val ) );
+ var ret = extra.apply( elem, data.concat( val ) );
// if anything is returned, give it precedence and have it overwrite the previous value
if (ret !== undefined)
val = ret;
}
// Trigger the native events (except for clicks on links)
- if ( fn && donative !== false && val !== false && !(jQuery.nodeName(element, 'a') && type == "click") ) {
+ if ( fn && donative !== false && val !== false && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
this.triggered = true;
try {
- element[ type ]();
+ elem[ type ]();
// prevent IE from throwing an error for some hidden elements
} catch (e) {}
}
// Checks if an event happened on an element within another element
// Used in jQuery.event.special.mouseenter and mouseleave handlers
-var withinElement = function(event, element) {
+var withinElement = function(event, elem) {
// Check if mouse(over|out) are still within the same parent element
var parent = event.relatedTarget;
// Traverse up the tree
- while ( parent && parent != element ) try { parent = parent.parentNode } catch(error) { parent = element; };
+ while ( parent && parent != elem ) try { parent = parent.parentNode } catch(error) { parent = elem; };
// Return true if we actually just moused on to a sub-element
- return parent == element;
+ return parent == elem;
};
// Prevent memory leaks in IE
git.asbjorn.biz / jquery.git / commitdiff