// 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 != undefined )
+ if ( jQuery.browser.msie && elem.setInterval )
elem = window;
// Make sure that the function being executed has a unique ID
var fn = handler;
// Create unique handler function, wrapped around original handler
- handler = function() {
+ handler = this.proxy( fn, function() {
// Pass arguments and context to original handler
return fn.apply(this, arguments);
- };
+ });
// Store data in unique handler
handler.data = data;
// event in IE.
handle.elem = elem;
- // Handle multiple events seperated by a space
- // 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];
-
- // Get the current list of functions bound to this event
- var handlers = events[type];
-
- // Init the event handler queue
- 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) === 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);
- }
+ // Handle multiple events separated by a space
+ // 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];
+
+ // Get the current list of functions bound to this event
+ var handlers = events[type];
+
+ // Init the event handler queue
+ 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) === 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);
}
+ }
- // Add the function to the element's handler list
- handlers[handler.guid] = handler;
+ // Add the function to the element's handler list
+ handlers[handler.guid] = handler;
- // Keep track of which events have been used, for global triggering
- jQuery.event.global[type] = true;
- });
+ // Keep track of which events have been used, for global triggering
+ jQuery.event.global[type] = true;
+ });
// Nullify elem to prevent memory leaks in IE
elem = null;
trigger: function(type, data, elem, donative, extra) {
// Clone the incoming data, if any
- data = jQuery.makeArray(data || []);
+ data = jQuery.makeArray(data);
if ( type.indexOf("!") >= 0 ) {
type = type.slice(0, -1);
event = !data[0] || !data[0].preventDefault;
// Pass along a fake event
- if ( event )
- data.unshift( this.fix({ type: type, target: elem }) );
+ if ( event ) {
+ data.unshift({
+ type: type,
+ target: elem,
+ preventDefault: function(){},
+ stopPropagation: function(){},
+ timeStamp: now()
+ });
+ data[0][expando] = true; // no need to fix fake event
+ }
// Enforce the right trigger type
data[0].type = type;
handle: function(event) {
// returned undefined or false
- var val, namespace, all, handlers;
+ var val, ret, namespace, all, handlers;
event = arguments[0] = jQuery.event.fix( event || window.event );
event.handler = handler;
event.data = handler.data;
- val = handler.apply( this, arguments );
+ ret = handler.apply( this, arguments );
+
+ if ( val !== false )
+ val = ret;
+
+ if ( ret === false ) {
+ event.preventDefault();
+ event.stopPropagation();
+ }
}
}
-
- if ( val === false ) {
- event.preventDefault();
- event.stopPropagation();
- }
-
- // Clean up added properties in IE to prevent memory leak
- if (jQuery.browser.msie)
- event.target = event.preventDefault = event.stopPropagation =
- event.handler = event.data = null;
return val;
},
fix: function(event) {
+ if ( event[expando] == true )
+ return event;
+
// store a copy of the original event object
- // and clone to set read-only properties
+ // and "clone" to set read-only properties
var originalEvent = event;
- event = jQuery.extend({}, originalEvent);
+ 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
originalEvent.cancelBubble = true;
};
+ // Fix timeStamp
+ event.timeStamp = event.timeStamp || now();
+
// Fix target property, if necessary
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 )
- event.target = originalEvent.target.parentNode;
+ event.target = event.target.parentNode;
// Add relatedTarget, if necessary
if ( !event.relatedTarget && event.fromElement )
return event;
},
+ proxy: function( fn, proxy ){
+ // 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++;
+ return proxy;//so proxy can be declared as an argument
+ },
+
special: {
ready: {
setup: function() {
// 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
- arguments[0].type = "mouseenter";
+ event.type = "mouseenter";
return jQuery.event.handle.apply(this, arguments);
}
},
// 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
- arguments[0].type = "mouseleave";
+ event.type = "mouseleave";
return jQuery.event.handle.apply(this, arguments);
}
}
},
one: function( type, data, fn ) {
+ 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, function(event) {
- jQuery(this).unbind(event);
- return (fn || data).apply( this, arguments);
- }, fn && data);
+ jQuery.event.add( this, type, one, fn && data);
});
},
},
triggerHandler: function( type, data, fn ) {
- if ( this[0] )
- return jQuery.event.trigger( type, data, this[0], false, fn );
- return undefined;
+ return this[0] && jQuery.event.trigger( type, data, this[0], false, fn );
},
- toggle: function() {
+ toggle: function( fn ) {
// Save reference to arguments for access in closure
- var args = arguments;
+ 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++] );
- return this.click(function(event) {
+ return this.click( jQuery.event.proxy( fn, function(event) {
// Figure out which function to execute
- this.lastToggle = 0 == this.lastToggle ? 1 : 0;
+ this.lastToggle = ( this.lastToggle || 0 ) % i;
// Make sure that clicks stop
event.preventDefault();
// and execute the function
- return args[this.lastToggle].apply( this, arguments ) || false;
- });
+ return args[ this.lastToggle++ ].apply( this, arguments ) || false;
+ }));
},
hover: function(fnOver, fnOut) {
git.asbjorn.biz / jquery.git / blobdiff