/*
* A number of helper functions used for managing events.
- * Many of the ideas behind this code orignated from
+ * Many of the ideas behind this code originated from
* Dean Edwards' addEvent library.
*/
jQuery.event = {
// For whatever reason, IE has trouble passing the window object
// around, causing it to be cloned in the process
- if ( jQuery.browser.msie && elem.setInterval )
+ if ( elem.setInterval && elem != window )
elem = window;
// Make sure that the function being executed has a unique ID
handler.guid = this.guid++;
// if data is passed, bind to handler
- if( data != undefined ) {
+ if ( data !== undefined ) {
// Create temporary function pointer to original handler
var fn = handler;
// Create unique handler function, wrapped around original handler
- handler = this.proxy( fn, function() {
- // Pass arguments and context to original handler
- return fn.apply(this, arguments);
- });
+ handler = this.proxy( fn );
// Store data in unique handler
handler.data = data;
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
- if ( typeof jQuery != "undefined" && !jQuery.event.triggered )
- return jQuery.event.handle.apply(arguments.callee.elem, arguments);
+ return typeof jQuery !== "undefined" && !jQuery.event.triggered ?
+ jQuery.event.handle.apply(arguments.callee.elem, arguments) :
+ undefined;
});
// Add elem as a property of the handle function
// This is to prevent a memory leak with non-native
// jQuery(...).bind("mouseover mouseout", fn);
jQuery.each(types.split(/\s+/), function(index, type) {
// Namespaced event handlers
- var parts = type.split(".");
- type = parts[0];
- handler.type = parts[1];
+ 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];
+
+ if ( jQuery.event.specialAll[type] )
+ jQuery.event.specialAll[type].setup.call(elem, data, namespaces);
// Init the event handler queue
if (!handlers) {
// 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) === false ) {
+ if ( !jQuery.event.special[type] || jQuery.event.special[type].setup.call(elem, data, namespaces) === false ) {
// Bind the global event handler to the element
if (elem.addEventListener)
elem.addEventListener(type, handle, false);
if ( events ) {
// Unbind all events for the element
- if ( types == undefined || (typeof types == "string" && types.charAt(0) == ".") )
+ if ( types === undefined || (typeof types === "string" && types.charAt(0) == ".") )
for ( var type in events )
this.remove( elem, type + (types || "") );
else {
// jQuery(...).unbind("mouseover mouseout", fn);
jQuery.each(types.split(/\s+/), function(index, type){
// Namespaced event handlers
- var parts = type.split(".");
- type = parts[0];
+ var namespaces = type.split(".");
+ type = namespaces.shift();
+ var namespace = RegExp("(^|\\.)" + namespaces.slice().sort().join(".*\\.") + "(\\.|$)");
if ( events[type] ) {
// remove the given handler for the given type
// remove all handlers for the given type
else
- for ( handler in events[type] )
+ for ( var handle in events[type] )
// Handle the removal of namespaced events
- if ( !parts[1] || events[type][handler].type == parts[1] )
- delete events[type][handler];
+ if ( namespace.test(events[type][handle].type) )
+ delete events[type][handle];
+
+ if ( jQuery.event.specialAll[type] )
+ jQuery.event.specialAll[type].teardown.call(elem, namespaces);
// 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(elem) === false ) {
+ 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)
}
},
- trigger: function(type, data, elem, donative, extra) {
- // Clone the incoming data, if any
- data = jQuery.makeArray(data);
+ // bubbling is internal
+ trigger: function( event, data, elem, bubbling ) {
+ // Event object or event type
+ var type = event.type || event;
+
+ if( !bubbling ){
+ event = typeof event === "object" ?
+ // jQuery.Event object
+ event[expando] ? event :
+ // Object literal
+ jQuery.extend( jQuery.Event(type), event ) :
+ // Just the event type (string)
+ jQuery.Event(type);
+
+ if ( type.indexOf("!") >= 0 ) {
+ event.type = type = type.slice(0, -1);
+ event.exclusive = true;
+ }
- if ( type.indexOf("!") >= 0 ) {
- type = type.slice(0, -1);
- var exclusive = true;
- }
+ // Handle a global trigger
+ if ( !elem ) {
+ // 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 );
+ });
+ }
- // Handle a global trigger
- 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
- // Handle triggering a single element
- } else {
// don't do events on text and comment nodes
- if ( 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.unshift( event );
+ }
- 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({
- type: type,
- target: elem,
- preventDefault: function(){},
- stopPropagation: function(){},
- timeStamp: now()
- });
- data[0][expando] = true; // no need to fix fake event
- }
+ event.currentTarget = elem;
- // Enforce the right trigger type
- data[0].type = type;
- if ( exclusive )
- data[0].exclusive = true;
-
- // Trigger the event, it is assumed that "handle" is a function
- var handle = jQuery.data(elem, "handle");
- if ( handle )
- val = handle.apply( elem, data );
-
- // Handle triggering native .onfoo handlers (and on links since we don't call .click() for links)
- if ( (!fn || (jQuery.nodeName(elem, 'a') && type == "click")) && elem["on"+type] && elem["on"+type].apply( elem, data ) === false )
- val = false;
-
- // Extra functions don't get the custom event object
- if ( event )
- data.shift();
-
- // Handle triggering of extra function
- if ( extra && jQuery.isFunction( extra ) ) {
- // call the extra function and tack the current return value on the end for possible inspection
- ret = extra.apply( elem, val == null ? data : data.concat( val ) );
- // if anything is returned, give it precedence and have it overwrite the previous value
- if (ret !== undefined)
- val = ret;
- }
+ // Trigger the event, it is assumed that "handle" is a function
+ var handle = jQuery.data(elem, "handle");
+ if ( handle )
+ handle.apply( elem, data );
- // Trigger the native events (except for clicks on links)
- if ( fn && donative !== false && val !== false && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
- this.triggered = true;
- try {
- elem[ type ]();
- // prevent IE from throwing an error for some hidden elements
- } catch (e) {}
- }
+ // 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 )
+ event.result = false;
- this.triggered = false;
+ // Trigger the native events (except for clicks on links)
+ if ( !bubbling && elem[type] && !event.isDefaultPrevented() && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
+ this.triggered = true;
+ try {
+ elem[ type ]();
+ // prevent IE from throwing an error for some hidden elements
+ } catch (e) {}
}
- return val;
+ this.triggered = false;
+
+ if ( !event.isPropagationStopped() ) {
+ var parent = elem.parentNode || elem.ownerDocument;
+ if ( parent )
+ jQuery.event.trigger(event, data, parent, true);
+ }
},
handle: function(event) {
// returned undefined or false
- var val, ret, namespace, all, handlers;
+ var all, handlers;
event = arguments[0] = jQuery.event.fix( event || window.event );
// Namespaced event handlers
- namespace = event.type.split(".");
- event.type = namespace[0];
- namespace = namespace[1];
+ var namespaces = event.type.split(".");
+ event.type = namespaces.shift();
+
// Cache this now, all = true means, any handler
- all = !namespace && !event.exclusive;
+ all = !namespaces.length && !event.exclusive;
+
+ var namespace = RegExp("(^|\\.)" + namespaces.slice().sort().join(".*\\.") + "(\\.|$)");
handlers = ( jQuery.data(this, "events") || {} )[event.type];
var handler = handlers[j];
// Filter the functions by class
- if ( all || handler.type == namespace ) {
+ if ( all || namespace.test(handler.type) ) {
// Pass in a reference to the handler function itself
// So that we can later remove it
event.handler = handler;
event.data = handler.data;
- ret = handler.apply( this, arguments );
+ var ret = handler.apply(this, arguments);
- if ( val !== false )
- val = ret;
-
- if ( ret === false ) {
- event.preventDefault();
- event.stopPropagation();
+ if( ret !== undefined ){
+ event.result = ret;
+ if ( ret === false ) {
+ event.preventDefault();
+ event.stopPropagation();
+ }
}
+
+ if( event.isImmediatePropagationStopped() )
+ break;
+
}
}
-
- return val;
},
+ props: "altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode metaKey newValue originalTarget pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target toElement view wheelDelta which".split(" "),
+
fix: function(event) {
- if ( event[expando] == true )
+ if ( event[expando] )
return event;
// store a copy of the original event object
// and "clone" to set read-only properties
var originalEvent = event;
- event = { originalEvent: originalEvent };
- var props = "altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode metaKey newValue originalTarget pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target timeStamp toElement type view wheelDelta which".split(" ");
- for ( var i=props.length; i; i-- )
- event[ props[i] ] = originalEvent[ props[i] ];
-
- // Mark it as fixed
- event[expando] = true;
-
- // add preventDefault and stopPropagation since
- // they will not work on the clone
- event.preventDefault = function() {
- // if preventDefault exists run it on the original event
- if (originalEvent.preventDefault)
- originalEvent.preventDefault();
- // otherwise set the returnValue property of the original event to false (IE)
- originalEvent.returnValue = false;
- };
- event.stopPropagation = function() {
- // if stopPropagation exists run it on the original event
- if (originalEvent.stopPropagation)
- originalEvent.stopPropagation();
- // otherwise set the cancelBubble property of the original event to true (IE)
- originalEvent.cancelBubble = true;
- };
-
- // Fix timeStamp
- event.timeStamp = event.timeStamp || now();
+ event = jQuery.Event( originalEvent );
+
+ for ( var i = this.props.length, prop; i; ){
+ prop = this.props[ --i ];
+ event[ prop ] = originalEvent[ prop ];
+ }
// Fix target property, if necessary
if ( !event.target )
},
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
special: {
ready: {
- setup: function() {
- // Make sure the ready event is setup
- bindReady();
- return;
- },
-
- teardown: function() { return; }
- },
-
- mouseenter: {
- setup: function() {
- if ( jQuery.browser.msie ) return false;
- jQuery(this).bind("mouseover", jQuery.event.special.mouseenter.handler);
- return true;
+ // Make sure the ready event is setup
+ setup: bindReady,
+ teardown: function() {}
+ }
+ },
+
+ specialAll: {
+ live: {
+ setup: function( selector, namespaces ){
+ jQuery.event.add( this, namespaces[0], liveHandler );
},
+ teardown: function( namespaces ){
+ if ( namespaces.length ) {
+ var remove = 0, name = RegExp("(^|\\.)" + namespaces[0] + "(\\.|$)");
+
+ jQuery.each( (jQuery.data(this, "events").live || {}), function(){
+ if ( name.test(this.type) )
+ remove++;
+ });
+
+ if ( remove < 1 )
+ jQuery.event.remove( this, namespaces[0], liveHandler );
+ }
+ }
+ }
+ }
+};
- teardown: function() {
- if ( jQuery.browser.msie ) return false;
- jQuery(this).unbind("mouseover", jQuery.event.special.mouseenter.handler);
- return true;
- },
+jQuery.Event = function( src ){
+ // Allow instantiation without the 'new' keyword
+ if( !this.preventDefault )
+ return new jQuery.Event(src);
+
+ // Event object
+ if( src && src.type ){
+ this.originalEvent = src;
+ this.type = src.type;
+ this.timeStamp = src.timeStamp;
+ // Event type
+ }else
+ this.type = src;
+
+ if( !this.timeStamp )
+ this.timeStamp = now();
+
+ // Mark it as fixed
+ this[expando] = true;
+};
- handler: function(event) {
- // If we actually just moused on to a sub-element, ignore it
- if ( withinElement(event, this) ) return true;
- // Execute the right handlers by setting the event type to mouseenter
- event.type = "mouseenter";
- return jQuery.event.handle.apply(this, arguments);
- }
- },
+function returnFalse(){
+ return false;
+}
+function returnTrue(){
+ return true;
+}
- mouseleave: {
- setup: function() {
- if ( jQuery.browser.msie ) return false;
- jQuery(this).bind("mouseout", jQuery.event.special.mouseleave.handler);
- return true;
- },
+// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
+// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
+jQuery.Event.prototype = {
+ preventDefault: function() {
+ this.isDefaultPrevented = returnTrue;
- teardown: function() {
- if ( jQuery.browser.msie ) return false;
- jQuery(this).unbind("mouseout", jQuery.event.special.mouseleave.handler);
- return true;
- },
+ var e = this.originalEvent;
+ if( !e )
+ return;
+ // if preventDefault exists run it on the original event
+ if (e.preventDefault)
+ e.preventDefault();
+ // otherwise set the returnValue property of the original event to false (IE)
+ e.returnValue = false;
+ },
+ stopPropagation: function() {
+ this.isPropagationStopped = returnTrue;
- handler: function(event) {
- // If we actually just moused on to a sub-element, ignore it
- if ( withinElement(event, this) ) return true;
- // Execute the right handlers by setting the event type to mouseleave
- event.type = "mouseleave";
- return jQuery.event.handle.apply(this, arguments);
- }
- }
+ var e = this.originalEvent;
+ if( !e )
+ return;
+ // if stopPropagation exists run it on the original event
+ if (e.stopPropagation)
+ e.stopPropagation();
+ // otherwise set the cancelBubble property of the original event to true (IE)
+ e.cancelBubble = true;
+ },
+ stopImmediatePropagation:function(){
+ this.isImmediatePropagationStopped = returnTrue;
+ this.stopPropagation();
+ },
+ isDefaultPrevented: returnFalse,
+ isPropagationStopped: returnFalse,
+ isImmediatePropagationStopped: returnFalse
+};
+// Checks if an event happened on an element within another element
+// Used in jQuery.event.special.mouseenter and mouseleave handlers
+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 )
+ try { parent = parent.parentNode; }
+ catch(e) { 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.event.handle.apply( this, arguments );
}
};
+
+jQuery.each({
+ mouseover: 'mouseenter',
+ mouseout: 'mouseleave'
+}, function( orig, fix ){
+ jQuery.event.special[ fix ] = {
+ setup: function(){
+ jQuery.event.add( this, orig, withinElement, fix );
+ },
+ teardown: function(){
+ jQuery.event.remove( this, orig, withinElement );
+ }
+ };
+});
jQuery.fn.extend({
bind: function( type, data, fn ) {
});
},
- trigger: function( type, data, fn ) {
+ trigger: function( type, data ) {
return this.each(function(){
- jQuery.event.trigger( type, data, this, true, fn );
+ jQuery.event.trigger( type, data, this );
});
},
- triggerHandler: function( type, data, fn ) {
- return this[0] && jQuery.event.trigger( type, data, this[0], false, fn );
+ triggerHandler: function( type, data ) {
+ if( this[0] ){
+ var event = jQuery.Event(type);
+ event.preventDefault();
+ event.stopPropagation();
+ jQuery.event.trigger( event, data, this[0] );
+ return event.result;
+ }
},
toggle: function( fn ) {
},
hover: function(fnOver, fnOut) {
- return this.bind('mouseenter', fnOver).bind('mouseleave', fnOut);
+ return this.mouseenter(fnOver).mouseleave(fnOut);
},
ready: function(fn) {
// Otherwise, remember the function for later
else
// Add the function to the wait list
- jQuery.readyList.push( function() { return fn.call(this, jQuery); } );
+ jQuery.readyList.push( fn );
return this;
+ },
+
+ live: function( type, fn ){
+ var proxy = jQuery.event.proxy( fn );
+ proxy.guid += this.selector + type;
+
+ jQuery(document).bind( liveConvert(type, this.selector), this.selector, proxy );
+
+ return this;
+ },
+
+ die: function( type, fn ){
+ jQuery(document).unbind( liveConvert(type, this.selector), fn ? { guid: fn.guid + this.selector + type } : null );
+ return this;
}
});
+function liveHandler( event ){
+ var check = RegExp("(^|\\.)" + event.type + "(\\.|$)"),
+ 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 )
+ elems.push({ elem: elem, fn: fn });
+ }
+ });
+
+ jQuery.each(elems, function(){
+ if ( !event.isImmediatePropagationStopped() &&
+ this.fn.call(this.elem, event, this.fn.data) === false )
+ stop = false;
+ });
+
+ return stop;
+}
+
+function liveConvert(type, selector){
+ return ["live", type, selector.replace(/\./g, "`").replace(/ /g, "|")].join(".");
+}
+
jQuery.extend({
isReady: false,
readyList: [],
if ( jQuery.readyList ) {
// Execute all of them
jQuery.each( jQuery.readyList, function(){
- this.call( document );
+ this.call( document, jQuery );
});
// Reset the list of functions
if ( readyBound ) return;
readyBound = true;
- // Mozilla, Opera (see further below for it) and webkit nightlies currently support this event
- if ( document.addEventListener && !jQuery.browser.opera)
+ // Mozilla, Opera and webkit nightlies currently support this event
+ if ( document.addEventListener ) {
// Use the handy event callback
- document.addEventListener( "DOMContentLoaded", jQuery.ready, false );
-
- // If IE is used and is not in a frame
- // Continually check to see if the document is ready
- if ( jQuery.browser.msie && window == top ) (function(){
- if (jQuery.isReady) return;
- try {
- // If IE is used, use the trick by Diego Perini
- // http://javascript.nwbox.com/IEContentLoaded/
- document.documentElement.doScroll("left");
- } catch( error ) {
- setTimeout( arguments.callee, 0 );
- return;
- }
- // and execute any waiting functions
- jQuery.ready();
- })();
-
- if ( jQuery.browser.opera )
- document.addEventListener( "DOMContentLoaded", function () {
- if (jQuery.isReady) return;
- for (var i = 0; i < document.styleSheets.length; i++)
- if (document.styleSheets[i].disabled) {
- setTimeout( arguments.callee, 0 );
- return;
- }
- // and execute any waiting functions
+ document.addEventListener( "DOMContentLoaded", function(){
+ document.removeEventListener( "DOMContentLoaded", arguments.callee, false );
jQuery.ready();
- }, false);
-
- if ( jQuery.browser.safari ) {
- var numStyles;
- (function(){
- if (jQuery.isReady) return;
- if ( document.readyState != "loaded" && document.readyState != "complete" ) {
- setTimeout( arguments.callee, 0 );
- return;
+ }, false );
+
+ // If IE event model is used
+ } else if ( document.attachEvent ) {
+ // ensure firing before onload,
+ // maybe late but safe also for iframes
+ document.attachEvent("onreadystatechange", function(){
+ if ( document.readyState === "complete" ) {
+ document.detachEvent( "onreadystatechange", arguments.callee );
+ jQuery.ready();
}
- if ( numStyles === undefined )
- numStyles = jQuery("style, link[rel=stylesheet]").length;
- if ( document.styleSheets.length != numStyles ) {
+ });
+
+ // If IE and not an iframe
+ // continually check to see if the document is ready
+ if ( document.documentElement.doScroll && !window.frameElement ) (function(){
+ if ( jQuery.isReady ) return;
+
+ try {
+ // If IE is used, use the trick by Diego Perini
+ // http://javascript.nwbox.com/IEContentLoaded/
+ document.documentElement.doScroll("left");
+ } catch( error ) {
setTimeout( arguments.callee, 0 );
return;
}
+
// and execute any waiting functions
jQuery.ready();
})();
}
jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
- "mousedown,mouseup,mousemove,mouseover,mouseout,change,select," +
- "submit,keydown,keypress,keyup,error").split(","), function(i, name){
+ "mousedown,mouseup,mousemove,mouseover,mouseout,mouseenter,mouseleave," +
+ "change,select,submit,keydown,keypress,keyup,error").split(","), function(i, name){
// Handle event binding
jQuery.fn[name] = function(fn){
};
});
-// Checks if an event happened on an element within another element
-// Used in jQuery.event.special.mouseenter and mouseleave handlers
-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 != elem ) try { parent = parent.parentNode; } catch(error) { parent = elem; }
- // Return true if we actually just moused on to a sub-element
- return parent == elem;
-};
-
// Prevent memory leaks in IE
// And prevent errors on refresh with events like mouseover in other browsers
// Window isn't included so as not to unbind existing unload events
-jQuery(window).bind("unload", function() {
- jQuery("*").add(document).unbind();
-});
+jQuery( window ).bind( 'unload', function(){
+ for ( var id in jQuery.cache )
+ // Skip the window
+ if ( id != 1 && jQuery.cache[ id ].handle )
+ jQuery.event.remove( jQuery.cache[ id ].handle.elem );
+});
git.asbjorn.biz / jquery.git / blobdiff