// Bind an event to an element
// Original by Dean Edwards
- add: function(elem, types, handler, data) {
- if ( elem.nodeType == 3 || elem.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 ( elem.setInterval && ( elem != window && !elem.frameElement ) )
+ if ( elem.setInterval && ( elem !== window && !elem.frameElement ) ) {
elem = window;
+ }
// Make sure that the function being executed has a unique ID
- if ( !handler.guid )
+ if ( !handler.guid ) {
handler.guid = this.guid++;
+ }
// if data is passed, bind to handler
if ( data !== undefined ) {
}
// Init the element's event structure
- var events = jQuery.data(elem, "events") || jQuery.data(elem, "events", {}),
- handle = jQuery.data(elem, "handle") || jQuery.data(elem, "handle", function(){
+ var events = jQuery.data( elem, "events" ) || jQuery.data( elem, "events", {} ),
+ handle = jQuery.data( elem, "handle" ) || jQuery.data( elem, "handle", function() {
// Handle the second event of a trigger and when
// an event is called after a page has unloaded
return typeof jQuery !== "undefined" && !jQuery.event.triggered ?
- jQuery.event.handle.apply(arguments.callee.elem, arguments) :
+ jQuery.event.handle.apply( arguments.callee.elem, arguments ) :
undefined;
});
// Add elem as a property of the handle function
// Handle multiple events separated by a space
// jQuery(...).bind("mouseover mouseout", fn);
- jQuery.each(types.split(/\s+/), function(index, type) {
+ types = types.split( /\s+/ );
+ var type, i=0;
+ while ( (type = types[ i++ ]) ) {
// Namespaced event handlers
var namespaces = type.split(".");
type = namespaces.shift();
handler.type = namespaces.slice().sort().join(".");
// Get the current list of functions bound to this event
- var handlers = events[type];
+ var handlers = events[ type ];
- if ( jQuery.event.specialAll[type] )
- jQuery.event.specialAll[type].setup.call(elem, data, namespaces);
+ if ( this.specialAll[ type ] ) {
+ this.specialAll[ type ].setup.call( elem, data, namespaces );
+ }
// Init the event handler queue
- if (!handlers) {
- handlers = events[type] = {};
+ if ( !handlers ) {
+ handlers = events[ type ] = {};
// 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(elem, data, namespaces) === false ) {
+ if ( !this.special[ type ] || this.special[ type ].setup.call( elem, data, namespaces ) === false ) {
// Bind the global event handler to the element
- if (elem.addEventListener)
- elem.addEventListener(type, handle, false);
- else if (elem.attachEvent)
- elem.attachEvent("on" + type, handle);
+ if ( elem.addEventListener ) {
+ elem.addEventListener( type, handle, false );
+ } else if ( elem.attachEvent ) {
+ elem.attachEvent( "on" + type, handle );
+ }
}
}
// Add the function to the element's handler list
- handlers[handler.guid] = handler;
+ handlers[ handler.guid ] = handler;
// Keep track of which events have been used, for global triggering
- jQuery.event.global[type] = true;
- });
+ this.global[ type ] = true;
+ }
// Nullify elem to prevent memory leaks in IE
elem = null;
global: {},
// Detach an event or set of events from an element
- remove: function(elem, types, handler) {
+ remove: function( elem, types, handler ) {
// don't do events on text and comment nodes
- if ( elem.nodeType == 3 || elem.nodeType == 8 )
+ if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
return;
+ }
- var events = jQuery.data(elem, "events"), ret, index;
+ var events = jQuery.data( elem, "events" ), ret, type;
if ( events ) {
// Unbind all events for the element
- if ( types === undefined || (typeof types === "string" && types.charAt(0) == ".") )
- for ( var type in events )
+ if ( types === undefined || (typeof types === "string" && types.charAt(0) === ".") ) {
+ for ( type in events ) {
this.remove( elem, type + (types || "") );
- else {
+ }
+ } else {
// types is actually an event object here
if ( types.type ) {
handler = types.handler;
// Handle multiple events seperated by a space
// jQuery(...).unbind("mouseover mouseout", fn);
- jQuery.each(types.split(/\s+/), function(index, type){
+ types = types.split(/\s+/);
+ var i = 0;
+ while ( (type = types[ i++ ]) ) {
// Namespaced event handlers
var namespaces = type.split(".");
type = namespaces.shift();
if ( events[type] ) {
// remove the given handler for the given type
- if ( handler )
- delete events[type][handler.guid];
+ if ( handler ) {
+ delete events[ type ][ handler.guid ];
// remove all handlers for the given type
- else
- for ( var handle in events[type] )
+ } else {
+ for ( var handle in events[ type ] ) {
// Handle the removal of namespaced events
- if ( all || namespace.test(events[type][handle].type) )
- delete events[type][handle];
+ if ( all || namespace.test( events[ type ][ handle ].type ) ) {
+ delete events[ type ][ handle ];
+ }
+ }
+ }
- if ( jQuery.event.specialAll[type] )
- jQuery.event.specialAll[type].teardown.call(elem, namespaces);
+ if ( this.specialAll[ type ] ) {
+ this.specialAll[ type ].teardown.call( elem, namespaces );
+ }
// remove generic event handler if no more handlers exist
- for ( ret in events[type] ) break;
+ for ( ret in events[ type ] ) {
+ break;
+ }
if ( !ret ) {
- if ( !jQuery.event.special[type] || jQuery.event.special[type].teardown.call(elem, namespaces) === false ) {
- if (elem.removeEventListener)
- elem.removeEventListener(type, jQuery.data(elem, "handle"), false);
- else if (elem.detachEvent)
- elem.detachEvent("on" + type, jQuery.data(elem, "handle"));
+ if ( !this.special[ type ] || this.special[ type ].teardown.call( elem, namespaces ) === 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];
+ delete events[ type ];
}
}
- });
+ }
}
// Remove the expando if it's no longer used
- for ( ret in events ) break;
+ for ( ret in events ) {
+ break;
+ }
if ( !ret ) {
var handle = jQuery.data( elem, "handle" );
- if ( handle ) handle.elem = null;
+ if ( handle ) {
+ handle.elem = null;
+ }
jQuery.removeData( elem, "events" );
jQuery.removeData( elem, "handle" );
}
// Event object or event type
var type = event.type || event;
- if( !bubbling ){
+ if ( !bubbling ) {
event = typeof event === "object" ?
// jQuery.Event object
event[expando] ? event :
// Don't bubble custom events when global (to avoid too much overhead)
event.stopPropagation();
// Only trigger if we've ever bound an event for it
- if ( this.global[type] )
- jQuery.each( jQuery.cache, function(){
- if ( this.events && this.events[type] )
- jQuery.event.trigger( event, data, this.handle.elem );
- });
+ if ( this.global[ type ] ) {
+ for ( var cached in jQuery.cache ) {
+ if ( cached.events && cached.events[ type ] ) {
+ this.trigger( event, data, cached.handle.elem );
+ }
+ }
+ }
}
// Handle triggering a single element
// don't do events on text and comment nodes
- if ( !elem || elem.nodeType == 3 || elem.nodeType == 8 )
+ if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
return undefined;
+ }
// Clean up in case it is reused
event.result = undefined;
event.target = elem;
// Clone the incoming data, if any
- data = jQuery.makeArray(data);
+ data = jQuery.makeArray( data );
data.unshift( event );
}
event.currentTarget = elem;
// Trigger the event, it is assumed that "handle" is a function
- var handle = jQuery.data(elem, "handle");
- if ( handle )
+ var handle = jQuery.data( elem, "handle" );
+ if ( handle ) {
handle.apply( elem, data );
+ }
// Handle triggering native .onfoo handlers (and on links since we don't call .click() for links)
- if ( (!elem[type] || (jQuery.nodeName(elem, 'a') && type == "click")) && elem["on"+type] && elem["on"+type].apply( elem, data ) === false )
+ if ( (!elem[ type ] || (jQuery.nodeName(elem, 'a') && type === "click")) && elem["on"+type] && elem["on"+type].apply( elem, data ) === false ) {
event.result = false;
+ }
// Trigger the native events (except for clicks on links)
- if ( !bubbling && elem[type] && !event.isDefaultPrevented() && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
+ if ( !bubbling && elem[ type ] && !event.isDefaultPrevented() && !(jQuery.nodeName(elem, 'a') && type === "click") ) {
this.triggered = true;
try {
elem[ type ]();
if ( !event.isPropagationStopped() ) {
var parent = elem.parentNode || elem.ownerDocument;
- if ( parent )
- jQuery.event.trigger(event, data, parent, true);
+ if ( parent ) {
+ jQuery.event.trigger( event, data, parent, true );
+ }
}
},
- handle: function(event) {
+ handle: function( event ) {
// returned undefined or false
var all, handlers;
var namespace = new RegExp("(^|\\.)" + namespaces.slice().sort().join(".*\\.") + "(\\.|$)");
- handlers = ( jQuery.data(this, "events") || {} )[event.type];
+ handlers = ( jQuery.data(this, "events") || {} )[ event.type ];
for ( var j in handlers ) {
- var handler = handlers[j];
+ var handler = handlers[ j ];
// Filter the functions by class
if ( all || namespace.test(handler.type) ) {
event.handler = handler;
event.data = handler.data;
- var ret = handler.apply(this, arguments);
+ var ret = handler.apply( this, arguments );
- if( ret !== undefined ){
+ if ( ret !== undefined ) {
event.result = ret;
if ( ret === false ) {
event.preventDefault();
}
}
- if( event.isImmediatePropagationStopped() )
+ if ( event.isImmediatePropagationStopped() ) {
break;
+ }
}
}
props: "altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode layerX layerY metaKey newValue offsetX offsetY originalTarget pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target toElement view wheelDelta which".split(" "),
- fix: function(event) {
- if ( event[expando] )
+ fix: function( event ) {
+ if ( event[ expando ] ) {
return event;
+ }
// store a copy of the original event object
// and "clone" to set read-only properties
var originalEvent = event;
event = jQuery.Event( originalEvent );
- for ( var i = this.props.length, prop; i; ){
+ for ( var i = this.props.length, prop; i; ) {
prop = this.props[ --i ];
event[ prop ] = originalEvent[ prop ];
}
// Fix target property, if necessary
- if ( !event.target )
+ if ( !event.target ) {
event.target = event.srcElement || document; // Fixes #1925 where srcElement might not be defined either
+ }
// check if target is a textnode (safari)
- if ( event.target.nodeType == 3 )
+ if ( event.target.nodeType === 3 ) {
event.target = event.target.parentNode;
+ }
// Add relatedTarget, if necessary
- if ( !event.relatedTarget && event.fromElement )
- event.relatedTarget = event.fromElement == event.target ? event.toElement : event.fromElement;
+ if ( !event.relatedTarget && event.fromElement ) {
+ event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
+ }
// Calculate pageX/Y if missing and clientX/Y available
if ( event.pageX == null && event.clientX != null ) {
var doc = document.documentElement, body = document.body;
event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc.clientLeft || 0);
- event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc.clientTop || 0);
+ event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc.clientTop || 0);
}
// Add which for key events
- if ( !event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode) )
+ if ( !event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode) ) {
event.which = event.charCode || event.keyCode;
+ }
// Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)
- if ( !event.metaKey && event.ctrlKey )
+ if ( !event.metaKey && event.ctrlKey ) {
event.metaKey = event.ctrlKey;
+ }
// Add which for click: 1 == left; 2 == middle; 3 == right
// Note: button is not normalized, so don't use it
- if ( !event.which && event.button )
+ if ( !event.which && event.button ) {
event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) ));
+ }
return event;
},
- proxy: function( fn, proxy ){
- proxy = proxy || function(){ return fn.apply(this, arguments); };
+ proxy: function( fn, proxy ) {
+ proxy = proxy || function() { return fn.apply( this, arguments ); };
// Set the guid of unique handler to the same of original handler, so it can be removed
proxy.guid = fn.guid = fn.guid || proxy.guid || this.guid++;
// So proxy can be declared as an argument
specialAll: {
live: {
- setup: function( selector, namespaces ){
+ setup: function( selector, namespaces ) {
jQuery.event.add( this, namespaces[0], liveHandler );
},
- teardown: function( namespaces ){
+ teardown: function( namespaces ) {
if ( namespaces.length ) {
var remove = 0, name = new RegExp("(^|\\.)" + namespaces[0] + "(\\.|$)");
- jQuery.each( (jQuery.data(this, "events").live || {}), function(){
- if ( name.test(this.type) )
+ jQuery.each( (jQuery.data(this, "events").live || {}), function() {
+ if ( name.test(this.type) ) {
remove++;
+ }
});
- if ( remove < 1 )
+ if ( remove < 1 ) {
jQuery.event.remove( this, namespaces[0], liveHandler );
+ }
}
}
}
jQuery.Event = function( src ){
// Allow instantiation without the 'new' keyword
- if( !this.preventDefault )
- return new jQuery.Event(src);
+ if ( !this.preventDefault ) {
+ return new jQuery.Event( src );
+ }
// Event object
- if( src && src.type ){
+ if ( src && src.type ) {
this.originalEvent = src;
this.type = src.type;
// Event type
- }else
+ } else {
this.type = src;
+ }
// timeStamp is buggy for some events on Firefox(#3843)
// So we won't rely on the native value
this.timeStamp = now();
// Mark it as fixed
- this[expando] = true;
+ this[ expando ] = true;
};
-function returnFalse(){
+function returnFalse() {
return false;
}
-function returnTrue(){
+function returnTrue() {
return true;
}
this.isDefaultPrevented = returnTrue;
var e = this.originalEvent;
- if( !e )
+ if ( !e ) {
return;
+ }
// if preventDefault exists run it on the original event
- if (e.preventDefault)
+ if ( e.preventDefault ) {
e.preventDefault();
+ }
// otherwise set the returnValue property of the original event to false (IE)
e.returnValue = false;
},
this.isPropagationStopped = returnTrue;
var e = this.originalEvent;
- if( !e )
+ if ( !e ) {
return;
+ }
// if stopPropagation exists run it on the original event
- if (e.stopPropagation)
+ if ( e.stopPropagation ) {
e.stopPropagation();
+ }
// otherwise set the cancelBubble property of the original event to true (IE)
e.cancelBubble = true;
},
- stopImmediatePropagation:function(){
+ stopImmediatePropagation: function(){
this.isImmediatePropagationStopped = returnTrue;
this.stopPropagation();
},
};
// Checks if an event happened on an element within another element
// Used in jQuery.event.special.mouseenter and mouseleave handlers
-var withinElement = function(event) {
+var withinElement = function( event ) {
// Check if mouse(over|out) are still within the same parent element
var parent = event.relatedTarget;
// Traverse up the tree
- while ( parent && parent != this )
+ while ( parent && parent != this ) {
try { parent = parent.parentNode; }
catch(e) { parent = this; }
+ }
- if( parent != this ){
+ if ( parent != this ) {
// set the correct event type
event.type = event.data;
// handle event if we actually just moused on to a non sub-element
jQuery.each({
mouseover: 'mouseenter',
mouseout: 'mouseleave'
-}, function( orig, fix ){
+}, function( orig, fix ) {
jQuery.event.special[ fix ] = {
setup: function(){
jQuery.event.add( this, orig, withinElement, fix );
jQuery.fn.extend({
bind: function( type, data, fn ) {
- return type == "unload" ? this.one(type, data, fn) : this.each(function(){
+ return type === "unload" ? this.one(type, data, fn) : this.each(function() {
jQuery.event.add( this, type, fn || data, fn && data );
});
},
one: function( type, data, fn ) {
- var one = jQuery.event.proxy( fn || data, function(event) {
- jQuery(this).unbind(event, one);
+ var one = jQuery.event.proxy( fn || data, function( event ) {
+ jQuery( this ).unbind( event, one );
return (fn || data).apply( this, arguments );
});
- return this.each(function(){
- jQuery.event.add( this, type, one, fn && data);
+ return this.each(function() {
+ jQuery.event.add( this, type, one, fn && data );
});
},
unbind: function( type, fn ) {
- return this.each(function(){
+ return this.each(function() {
jQuery.event.remove( this, type, fn );
});
},
trigger: function( type, data ) {
- return this.each(function(){
+ return this.each(function() {
jQuery.event.trigger( type, data, this );
});
},
triggerHandler: function( type, data ) {
- if( this[0] ){
- var event = jQuery.Event(type);
+ if ( this[0] ) {
+ var event = jQuery.Event( type );
event.preventDefault();
event.stopPropagation();
jQuery.event.trigger( event, data, this[0] );
var args = arguments, i = 1;
// link all the functions, so any of them can unbind this click handler
- while( i < args.length )
- jQuery.event.proxy( fn, args[i++] );
+ while( i < args.length ) {
+ jQuery.event.proxy( fn, args[ i++ ] );
+ }
- return this.click( jQuery.event.proxy( fn, function(event) {
+ return this.click( jQuery.event.proxy( fn, function( event ) {
// Figure out which function to execute
this.lastToggle = ( this.lastToggle || 0 ) % i;
}));
},
- hover: function(fnOver, fnOut) {
- return this.mouseenter(fnOver).mouseleave(fnOut);
+ hover: function( fnOver, fnOut ) {
+ return this.mouseenter( fnOver ).mouseleave( fnOut );
},
- ready: function(fn) {
+ ready: function( fn ) {
// Attach the listeners
bindReady();
// If the DOM is already ready
- if ( jQuery.isReady )
+ if ( jQuery.isReady ) {
// Execute the function immediately
fn.call( document, jQuery );
// Otherwise, remember the function for later
- else
+ } else {
// Add the function to the wait list
jQuery.readyList.push( fn );
+ }
return this;
},
- live: function( type, fn ){
+ live: function( type, fn ) {
var proxy = jQuery.event.proxy( fn );
proxy.guid += this.selector + type;
- jQuery( this.context ).bind( liveConvert(type, this.selector), this.selector, proxy );
+ jQuery( this.context ).bind( liveConvert( type, this.selector ), this.selector, proxy );
return this;
},
- die: function( type, fn ){
+ die: function( type, fn ) {
jQuery( this.context ).unbind( liveConvert(type, this.selector), fn ? { guid: fn.guid + this.selector + type } : null );
return this;
}
});
-function liveHandler( event ){
+function liveHandler( event ) {
var check = new RegExp("(^|\\.)" + event.type + "(\\.|$)"),
- stop = true,
- elems = [];
+ stop = true, elems = [];
- jQuery.each(jQuery.data(this, "events").live || [], function(i, fn){
- if ( check.test(fn.type) ) {
- var elem = jQuery(event.target).closest(fn.data)[0];
- if ( elem )
+ jQuery.each( jQuery.data( this, "events" ).live || [], function( i, fn ) {
+ if ( check.test( fn.type ) ) {
+ var elem = jQuery( event.target ).closest( fn.data )[0];
+ if ( elem ) {
elems.push({ elem: elem, fn: fn });
+ }
}
});
- elems.sort(function(a,b) {
- return jQuery.data(a.elem, "closest") - jQuery.data(b.elem, "closest");
+ elems.sort(function( a, b ) {
+ return jQuery.data( a.elem, "closest" ) - jQuery.data( b.elem, "closest" );
});
- jQuery.each(elems, function(){
+ jQuery.each(elems, function() {
event.currentTarget = this.elem;
- if ( this.fn.call(this.elem, event, this.fn.data) === false )
+ if ( this.fn.call( this.elem, event, this.fn.data ) === false ) {
return (stop = false);
+ }
});
return stop;
}
-function liveConvert(type, selector){
+function liveConvert( type, selector ) {
return ["live", type, selector.replace(/\./g, "`").replace(/ /g, "|")].join(".");
}
// If there are functions bound, to execute
if ( jQuery.readyList ) {
// Execute all of them
- jQuery.each( jQuery.readyList, function(){
- this.call( document, jQuery );
- });
+ var fn, i = 0;
+ while ( (fn = jQuery.readyList[ i++ ]) ) {
+ fn.call( document, jQuery );
+ }
// Reset the list of functions
jQuery.readyList = null;
}
// Trigger any bound ready events
- jQuery(document).triggerHandler("ready");
+ jQuery( document ).triggerHandler( "ready" );
}
}
});
var readyBound = false;
-function bindReady(){
+function bindReady() {
if ( readyBound ) return;
readyBound = true;
// Mozilla, Opera and webkit nightlies currently support this event
if ( document.addEventListener ) {
// Use the handy event callback
- document.addEventListener( "DOMContentLoaded", function(){
+ document.addEventListener( "DOMContentLoaded", function() {
document.removeEventListener( "DOMContentLoaded", arguments.callee, false );
jQuery.ready();
}, false );
} else if ( document.attachEvent ) {
// ensure firing before onload,
// maybe late but safe also for iframes
- document.attachEvent("onreadystatechange", function(){
+ document.attachEvent("onreadystatechange", function() {
if ( document.readyState === "complete" ) {
document.detachEvent( "onreadystatechange", arguments.callee );
jQuery.ready();
// If IE and not an iframe
// continually check to see if the document is ready
- if ( document.documentElement.doScroll && window == window.top ) (function(){
- if ( jQuery.isReady ) return;
+ if ( document.documentElement.doScroll && window === window.top ) (function() {
+ if ( jQuery.isReady ) {
+ return;
+ }
try {
// If IE is used, use the trick by Diego Perini
jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
"mousedown,mouseup,mousemove,mouseover,mouseout,mouseenter,mouseleave," +
- "change,select,submit,keydown,keypress,keyup,error").split(","), function(i, name){
+ "change,select,submit,keydown,keypress,keyup,error").split(","), function( i, name ) {
// Handle event binding
- jQuery.fn[name] = function(fn){
- return fn ? this.bind(name, fn) : this.trigger(name);
+ jQuery.fn[ name ] = function( fn ) {
+ return fn ? this.bind (name, fn ) : this.trigger( name );
};
});
// More info:
// - http://isaacschlueter.com/2006/10/msie-memory-leaks/
// - https://bugzilla.mozilla.org/show_bug.cgi?id=252542
-jQuery( window ).bind( 'unload', function(){
- for ( var id in jQuery.cache )
+jQuery( window ).bind( 'unload', function() {
+ for ( var id in jQuery.cache ) {
// Skip the window
- if ( id != 1 && jQuery.cache[ id ].handle )
+ if ( id != 1 && jQuery.cache[ id ].handle ) {
jQuery.event.remove( jQuery.cache[ id ].handle.elem );
+ }
+ }
});
git.asbjorn.biz / jquery.git / commitdiff