+ testChange = function testChange( e ) {
+ var elem = e.target, data, val;
+
+ if ( !formElems.test( elem.nodeName ) || elem.readOnly ) {
+ return;
+ }
+
+ data = jQuery.data( elem, "_change_data" );
+ val = getVal(elem);
+
+ // the current data will be also retrieved by beforeactivate
+ if ( e.type !== "focusout" || elem.type !== "radio" ) {
+ jQuery.data( elem, "_change_data", val );
+ }
+
+ if ( data === undefined || val === data ) {
+ return;
+ }
+
+ if ( data != null || val ) {
+ e.type = "change";
+ return jQuery.event.trigger( e, arguments[1], elem );
+ }
+ };
+
+ jQuery.event.special.change = {
+ filters: {
+ focusout: testChange,
+
+ click: function( e ) {
+ var elem = e.target, type = elem.type;
+
+ if ( type === "radio" || type === "checkbox" || elem.nodeName.toLowerCase() === "select" ) {
+ return testChange.call( this, e );
+ }
+ },
+
+ // Change has to be called before submit
+ // Keydown will be called before keypress, which is used in submit-event delegation
+ keydown: function( e ) {
+ var elem = e.target, type = elem.type;
+
+ if ( (e.keyCode === 13 && elem.nodeName.toLowerCase() !== "textarea") ||
+ (e.keyCode === 32 && (type === "checkbox" || type === "radio")) ||
+ type === "select-multiple" ) {
+ return testChange.call( this, e );
+ }
+ },
+
+ // Beforeactivate happens also before the previous element is blurred
+ // with this event you can't trigger a change event, but you can store
+ // information/focus[in] is not needed anymore
+ beforeactivate: function( e ) {
+ var elem = e.target;
+ jQuery.data( elem, "_change_data", getVal(elem) );
+ }
+ },
+
+ setup: function( data, namespaces ) {
+ if ( this.type === "file" ) {
+ return false;
+ }
+
+ for ( var type in changeFilters ) {
+ jQuery.event.add( this, type + ".specialChange", changeFilters[type] );
+ }
+
+ return formElems.test( this.nodeName );
+ },
+
+ teardown: function( namespaces ) {
+ jQuery.event.remove( this, ".specialChange" );
+
+ return formElems.test( this.nodeName );
+ }
+ };
+
+ changeFilters = jQuery.event.special.change.filters;
+}
+
+function trigger( type, elem, args ) {
+ args[0].type = type;
+ return jQuery.event.handle.apply( elem, args );
+}
+
+// Create "bubbling" focus and blur events
+if ( document.addEventListener ) {
+ jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
+ jQuery.event.special[ fix ] = {
+ setup: function() {
+ this.addEventListener( orig, handler, true );
+ },
+ teardown: function() {
+ this.removeEventListener( orig, handler, true );
+ }
+ };
+
+ function handler( e ) {
+ e = jQuery.event.fix( e );
+ e.type = fix;
+ return jQuery.event.handle.call( this, e );
+ }
+ });
+}
+
+jQuery.each(["bind", "one"], function( i, name ) {
+ jQuery.fn[ name ] = function( type, data, fn ) {
+ // Handle object literals
+ if ( typeof type === "object" ) {
+ for ( var key in type ) {
+ this[ name ](key, data, type[key], fn);
+ }
+ return this;
+ }
+
+ if ( jQuery.isFunction( data ) ) {
+ fn = data;
+ data = undefined;
+ }
+
+ var handler = name === "one" ? jQuery.proxy( fn, function( event ) {
+ jQuery( this ).unbind( event, handler );
+ return fn.apply( this, arguments );
+ }) : fn;
+
+ if ( type === "unload" && name !== "one" ) {
+ this.one( type, data, fn );
+
+ } else {
+ for ( var i = 0, l = this.length; i < l; i++ ) {
+ jQuery.event.add( this[i], type, handler, data );
+ }
+ }
+
+ return this;
+ };
+});
+
+jQuery.fn.extend({