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Organized the event functions.

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This commit is contained in:
John Resig 2006-06-22 13:25:21 +00:00
parent 07040f8d03
commit 3cc1ba05f3
1 changed files with 73 additions and 73 deletions
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146
jquery/jquery.js vendored
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@ -692,82 +692,82 @@ $.map = function(a,f) {
return r;
};
$.event = {};
$.event = {
// Bind an event to an element
// Original by Dean Edwards
$.event.add = function(element, type, handler) {
// For whatever reason, IE has trouble passing the window object
// around, causing it to be cloned in the process
if ( $.browser == "msie" && element.setInterval != undefined )
element = window;
if (!handler.$$guid) handler.$$guid = $.event.add.guid++;
if (!element.events) element.events = {};
var handlers = element.events[type];
if (!handlers) {
handlers = element.events[type] = {};
if (element["on" + type])
handlers[0] = element["on" + type];
}
handlers[handler.$$guid] = handler;
element["on" + type] = $.event.handle;
};
$.event.add.guid = 1;
// Detach an event or set of events from an element
$.event.remove = function(element, type, handler) {
if (element.events)
if (type && element.events[type])
if ( handler )
delete element.events[type][handler.$$guid];
// Bind an event to an element
// Original by Dean Edwards
add: function(element, type, handler) {
// For whatever reason, IE has trouble passing the window object
// around, causing it to be cloned in the process
if ( $.browser == "msie" && element.setInterval != undefined )
element = window;
if (!handler.guid) handler.guid = $.event.guid++;
if (!element.events) element.events = {};
var handlers = element.events[type];
if (!handlers) {
handlers = element.events[type] = {};
if (element["on" + type])
handlers[0] = element["on" + type];
}
handlers[handler.guid] = handler;
element["on" + type] = $.event.handle;
},
guid: 1,
// Detach an event or set of events from an element
remove: function(element, type, handler) {
if (element.events)
if (type && element.events[type])
if ( handler )
delete element.events[type][handler.guid];
else
for ( var i in element.events[type] )
delete element.events[type][i];
else
for ( var i in element.events[type] )
delete element.events[type][i];
else
for ( var j in element.events )
$.event.remove( element, j );
};
$.event.trigger = function(element,type,data) {
data = data || [ $.event.fix({ type: type }) ];
if ( element && element["on" + type] )
element["on" + type].apply( element, data );
};
$.event.handle = function(event) {
if ( !event && !window.event ) return;
var returnValue = true, handlers = [];
event = event || $.event.fix(window.event);
for ( var j in this.events[event.type] )
handlers[handlers.length] = this.events[event.type][j];
for ( var i = 0; i < handlers.length; i++ ) {
if ( handlers[i].constructor == Function ) {
this.$$handleEvent = handlers[i];
if (this.$$handleEvent(event) === false) {
event.preventDefault();
event.stopPropagation();
returnValue = false;
for ( var j in element.events )
$.event.remove( element, j );
},
trigger: function(element,type,data) {
data = data || [ $.event.fix({ type: type }) ];
if ( element && element["on" + type] )
element["on" + type].apply( element, data );
},
handle: function(event) {
if ( !event && !window.event ) return;
var returnValue = true, handlers = [];
event = event || $.event.fix(window.event);
for ( var j in this.events[event.type] )
handlers[handlers.length] = this.events[event.type][j];
for ( var i = 0; i < handlers.length; i++ ) {
if ( handlers[i].constructor == Function ) {
this.handleEvent = handlers[i];
if (this.handleEvent(event) === false) {
event.preventDefault();
event.stopPropagation();
returnValue = false;
}
}
}
return returnValue;
},
fix: function(event) {
event.preventDefault = function() {
this.returnValue = false;
};
event.stopPropagation = function() {
this.cancelBubble = true;
};
return event;
}
return returnValue;
};
$.event.fix = function(event) {
event.preventDefault = $.event.fix.preventDefault;
event.stopPropagation = $.event.fix.stopPropagation;
return event;
};
$.event.fix.preventDefault = function() {
this.returnValue = false;
};
$.event.fix.stopPropagation = function() {
this.cancelBubble = true;
};
}