handler.guid = this.guid++;
// Init the element's event structure
- if (!element.events)
- element.events = {};
+ if (!element.$events)
+ element.$events = {};
// Get the current list of functions bound to this event
- var handlers = element.events[type];
+ var handlers = element.$events[type];
// If it hasn't been initialized yet
if (!handlers) {
// Init the event handler queue
- handlers = element.events[type] = {};
+ handlers = element.$events[type] = {};
// Remember an existing handler, if it's already there
if (element["on" + type])
// Detach an event or set of events from an element
remove: function(element, type, handler) {
- if (element.events)
- if ( type && type.type )
- delete element.events[ type.type ][ type.handler.guid ];
- else if (type && element.events[type])
+ if (element.$events) {
+ var i,j,k;
+ if ( type && type.type ) { // type is actually an event object here
+ handler = type.handler;
+ type = type.type;
+ }
+
+ if (type && element.$events[type])
+ // remove the given handler for the given type
if ( handler )
- delete element.events[type][handler.guid];
+ delete element.$events[type][handler.guid];
+
+ // remove all handlers for the given type
else
- for ( var i in element.events[type] )
- delete element.events[type][i];
+ for ( i in element.$events[type] )
+ delete element.$events[type][i];
+
+ // remove all handlers
else
- for ( var j in element.events )
+ for ( j in element.$events )
this.remove( element, j );
+
+ // remove event handler if no more handlers exist
+ for ( k in element.$events[type] )
+ if (k) {
+ k = true;
+ break;
+ }
+ if (!k) element["on" + type] = null;
+ }
},
- trigger: function(type,data,element) {
+ trigger: function(type, data, element) {
// Clone the incoming data, if any
data = jQuery.makeArray(data || []);
// Handle a global trigger
- if ( !element ) {
- var g = this.global[type];
- if ( g )
- for ( var i = 0, gl = g.length; i < gl; i++ )
- this.trigger( type, data, g[i] );
+ if ( !element )
+ jQuery.each( this.global[type] || [], function(){
+ jQuery.event.trigger( type, data, this );
+ });
// Handle triggering a single element
- } else if ( element["on" + type] ) {
- if ( element[ type ] && element[ type ].constructor == Function )
- element[ type ]();
- else {
+ else {
+ var handler = element["on" + type ], val,
+ fn = jQuery.isFunction( element[ type ] );
+
+ if ( handler ) {
// Pass along a fake event
data.unshift( this.fix({ type: type, target: element }) );
// Trigger the event
- element["on" + type].apply( element, data );
+ if ( (val = handler.apply( element, data )) !== false )
+ this.triggered = true;
}
+
+ if ( fn && val !== false )
+ element[ type ]();
+
+ this.triggered = false;
}
},
handle: function(event) {
- if ( typeof jQuery == "undefined" ) return false;
+ // Handle the second event of a trigger and when
+ // an event is called after a page has unloaded
+ if ( typeof jQuery == "undefined" || jQuery.event.triggered ) return;
// Empty object is for triggered events with no data
event = jQuery.event.fix( event || window.event || {} );
// returned undefined or false
var returnValue;
- var c = this.events[event.type];
+ var c = this.$events[event.type];
var args = [].slice.call( arguments, 1 );
args.unshift( event );
event.target = event.srcElement;
// Calculate pageX/Y if missing and clientX/Y available
- if ( typeof event.pageX == "undefined" && typeof event.clientX != "undefined" ) {
+ if ( event.pageX == undefined && event.clientX != undefined ) {
var e = document.documentElement, b = document.body;
event.pageX = event.clientX + (e.scrollLeft || b.scrollLeft);
event.pageY = event.clientY + (e.scrollTop || b.scrollTop);
* data as the second paramter (and the handler function as the third), see
* second example.
*
- * @example $("p").bind( "click", function() {
+ * @example $("p").bind("click", function(){
* alert( $(this).text() );
- * } )
+ * });
* @before <p>Hello</p>
* @result alert("Hello")
*
- * @example var handler = function(event) {
+ * @example function handler(event) {
* alert(event.data.foo);
- * };
- * $("p").bind( "click", {foo: "bar"}, handler)
+ * }
+ * $("p").bind("click", {foo: "bar"}, handler)
* @result alert("bar")
* @desc Pass some additional data to the event handler.
*
- * @example $("form").bind( "submit", function() { return false; } )
+ * @example $("form").bind("submit", function() { return false; })
* @desc Cancel a default action and prevent it from bubbling by returning false
* from your function.
*
- * @example $("form").bind( "submit", function(event) {
+ * @example $("form").bind("submit", function(event){
* event.preventDefault();
- * } );
+ * });
* @desc Cancel only the default action by using the preventDefault method.
*
*
- * @example $("form").bind( "submit", function(event) {
+ * @example $("form").bind("submit", function(event){
* event.stopPropagation();
- * } )
+ * });
* @desc Stop only an event from bubbling by using the stopPropagation method.
*
* @name bind
* data as the second paramter (and the handler function as the third), see
* second example.
*
- * @example $("p").one( "click", function() {
+ * @example $("p").one("click", function(){
* alert( $(this).text() );
- * } )
+ * });
* @before <p>Hello</p>
* @result alert("Hello")
*
* @before <p click="alert('hello')">Hello</p>
* @result alert('hello')
*
+ * @example $("p").click(function(event, a, b) {
+ * // when a normal click fires, a and b are undefined
+ * // for a trigger like below a refers too "foo" and b refers to "bar"
+ * }).trigger("click", ["foo", "bar"]);
+ * @desc Example of how to pass arbitrary to an event
+ *
+ * @before <p click="alert('hello')">Hello</p>
+ * @result alert('hello')
+ *
* @name trigger
* @type jQuery
* @param String type An event type to trigger.
+ * @param Array data (optional) Additional data to pass as arguments (after the event object) to the event handler
* @cat Events
*/
trigger: function( type, data ) {
});
},
- // We're overriding the old toggle function, so
- // remember it for later
- _toggle: jQuery.fn.toggle,
-
/**
* Toggle between two function calls every other click.
* Whenever a matched element is clicked, the first specified function
* @cat Events
*/
toggle: function() {
- // save reference to arguments for access in closure
+ // Save reference to arguments for access in closure
var a = arguments;
- return typeof a[0] == "function" && typeof a[1] == "function" ? this.click(function(e) {
+
+ return this.click(function(e) {
// Figure out which function to execute
this.lastToggle = this.lastToggle == 0 ? 1 : 0;
// and execute the function
return a[this.lastToggle].apply( this, [e] ) || false;
- }) :
-
- // Otherwise, execute the old toggle function
- this._toggle.apply( this, arguments );
+ });
},
/**
* and attaching a function to that. By using this method, your bound Function
* will be called the instant the DOM is ready to be read and manipulated,
* which is exactly what 99.99% of all Javascript code needs to run.
+ *
+ * There is one argument passed to the ready event handler: A reference to
+ * the jQuery function. You can name that argument whatever you like, and
+ * can therefore stick with the $ alias without risk of naming collisions.
*
* Please ensure you have no code in your <body> onload event handler,
* otherwise $(document).ready() may not fire.
*
* @example $(document).ready(function(){ Your code here... });
*
+ * @example jQuery(function($) {
+ * // Your code using failsafe $ alias here...
+ * });
+ * @desc Uses both the shortcut for $(document).ready() and the argument
+ * to write failsafe jQuery code using the $ alias, without relying on the
+ * global alias.
+ *
* @name ready
* @type jQuery
* @param Function fn The function to be executed when the DOM is ready.
* @cat Events
+ * @see $.noConflict()
+ * @see $(Function)
*/
ready: function(f) {
// If the DOM is already ready
if ( jQuery.isReady )
// Execute the function immediately
- f.apply( document );
+ f.apply( document, [jQuery] );
// Otherwise, remember the function for later
else {
// Add the function to the wait list
- jQuery.readyList.push( f );
+ jQuery.readyList.push( function() { return f.apply(this, [jQuery]) } );
}
return this;
// If there are functions bound, to execute
if ( jQuery.readyList ) {
// Execute all of them
- for ( var i = 0; i < jQuery.readyList.length; i++ )
- jQuery.readyList[i].apply( document );
+ jQuery.each( jQuery.readyList, function(){
+ this.apply( document );
+ });
// Reset the list of functions
jQuery.readyList = null;
* @name scroll
* @type jQuery
* @param Function fn A function to bind to the scroll event on each of the matched elements.
- * @cat Events/Browser
+ * @cat Events
*/
/**
* @name submit
* @type jQuery
* @param Function fn A function to bind to the submit event on each of the matched elements.
- * @cat Events/Form
+ * @cat Events
*/
/**
*
* @name submit
* @type jQuery
- * @cat Events/Form
+ * @cat Events
*/
/**
* @name focus
* @type jQuery
* @param Function fn A function to bind to the focus event on each of the matched elements.
- * @cat Events/UI
+ * @cat Events
*/
/**
*
* @name focus
* @type jQuery
- * @cat Events/UI
+ * @cat Events
*/
/**
* @name keydown
* @type jQuery
* @param Function fn A function to bind to the keydown event on each of the matched elements.
- * @cat Events/Keyboard
+ * @cat Events
*/
/**
* @name dblclick
* @type jQuery
* @param Function fn A function to bind to the dblclick event on each of the matched elements.
- * @cat Events/Mouse
+ * @cat Events
*/
/**
* @name keypress
* @type jQuery
* @param Function fn A function to bind to the keypress event on each of the matched elements.
- * @cat Events/Keyboard
+ * @cat Events
*/
/**
* @name error
* @type jQuery
* @param Function fn A function to bind to the error event on each of the matched elements.
- * @cat Events/Browser
+ * @cat Events
*/
/**
* @name blur
* @type jQuery
* @param Function fn A function to bind to the blur event on each of the matched elements.
- * @cat Events/UI
+ * @cat Events
*/
/**
*
* @name blur
* @type jQuery
- * @cat Events/UI
+ * @cat Events
*/
/**
* @name load
* @type jQuery
* @param Function fn A function to bind to the load event on each of the matched elements.
- * @cat Events/Browser
+ * @cat Events
*/
/**
* @name select
* @type jQuery
* @param Function fn A function to bind to the select event on each of the matched elements.
- * @cat Events/Form
+ * @cat Events
*/
/**
*
* @name select
* @type jQuery
- * @cat Events/Form
+ * @cat Events
*/
/**
* @name mouseup
* @type jQuery
* @param Function fn A function to bind to the mouseup event on each of the matched elements.
- * @cat Events/Mouse
+ * @cat Events
*/
/**
* @name unload
* @type jQuery
* @param Function fn A function to bind to the unload event on each of the matched elements.
- * @cat Events/Browser
+ * @cat Events
*/
/**
* @name change
* @type jQuery
* @param Function fn A function to bind to the change event on each of the matched elements.
- * @cat Events/Form
+ * @cat Events
*/
/**
* @name mouseout
* @type jQuery
* @param Function fn A function to bind to the mouseout event on each of the matched elements.
- * @cat Events/Mouse
+ * @cat Events
*/
/**
* @name keyup
* @type jQuery
* @param Function fn A function to bind to the keyup event on each of the matched elements.
- * @cat Events/Keyboard
+ * @cat Events
*/
/**
* @name click
* @type jQuery
* @param Function fn A function to bind to the click event on each of the matched elements.
- * @cat Events/Mouse
+ * @cat Events
*/
/**
*
* @name click
* @type jQuery
- * @cat Events/Mouse
+ * @cat Events
*/
/**
* @name resize
* @type jQuery
* @param Function fn A function to bind to the resize event on each of the matched elements.
- * @cat Events/Browser
+ * @cat Events
*/
/**
* @name mousemove
* @type jQuery
* @param Function fn A function to bind to the mousemove event on each of the matched elements.
- * @cat Events/Mouse
+ * @cat Events
*/
/**
* @name mousedown
* @type jQuery
* @param Function fn A function to bind to the mousedown event on each of the matched elements.
- * @cat Events/Mouse
+ * @cat Events
*/
/**
* @name mouseover
* @type jQuery
* @param Function fn A function to bind to the mousedown event on each of the matched elements.
- * @cat Events/Mouse
+ * @cat Events
*/
jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
"mousedown,mouseup,mousemove,mouseover,mouseout,change,select," +
jQuery.event.remove(els[i-1], type);
while (--i);
}
- });
\ No newline at end of file
+ });
git.asbjorn.biz / jquery.git / blobdiff