746 lines
19 KiB
JavaScript
746 lines
19 KiB
JavaScript
define( [
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"./core",
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"./var/document",
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"./var/documentElement",
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"./var/rnothtmlwhite",
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"./var/slice",
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"./data/var/dataPriv",
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"./core/init",
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"./selector"
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], function( jQuery, document, documentElement, rnothtmlwhite, slice, dataPriv ) {
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"use strict";
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var
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rkeyEvent = /^key/,
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rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
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rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
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function returnTrue() {
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return true;
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}
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function returnFalse() {
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return false;
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}
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// Support: IE <=9 only
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// See #13393 for more info
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function safeActiveElement() {
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try {
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return document.activeElement;
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} catch ( err ) { }
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}
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function on( elem, types, selector, data, fn, one ) {
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var origFn, type;
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// Types can be a map of types/handlers
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if ( typeof types === "object" ) {
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// ( types-Object, selector, data )
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if ( typeof selector !== "string" ) {
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// ( types-Object, data )
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data = data || selector;
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selector = undefined;
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}
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for ( type in types ) {
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on( elem, type, selector, data, types[ type ], one );
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}
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return elem;
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}
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if ( data == null && fn == null ) {
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// ( types, fn )
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fn = selector;
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data = selector = undefined;
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} else if ( fn == null ) {
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if ( typeof selector === "string" ) {
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// ( types, selector, fn )
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fn = data;
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data = undefined;
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} else {
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// ( types, data, fn )
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fn = data;
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data = selector;
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selector = undefined;
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}
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}
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if ( fn === false ) {
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fn = returnFalse;
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} else if ( !fn ) {
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return elem;
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}
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if ( one === 1 ) {
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origFn = fn;
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fn = function( event ) {
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// Can use an empty set, since event contains the info
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jQuery().off( event );
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return origFn.apply( this, arguments );
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};
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// Use same guid so caller can remove using origFn
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fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
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}
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return elem.each( function() {
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jQuery.event.add( this, types, fn, data, selector );
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} );
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}
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/*
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* Helper functions for managing events -- not part of the public interface.
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* Props to Dean Edwards' addEvent library for many of the ideas.
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*/
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jQuery.event = {
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global: {},
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add: function( elem, types, handler, data, selector ) {
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var handleObjIn, eventHandle, tmp,
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events, t, handleObj,
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special, handlers, type, namespaces, origType,
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elemData = dataPriv.get( elem );
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// Don't attach events to noData or text/comment nodes (but allow plain objects)
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if ( !elemData ) {
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return;
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}
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// Caller can pass in an object of custom data in lieu of the handler
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if ( handler.handler ) {
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handleObjIn = handler;
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handler = handleObjIn.handler;
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selector = handleObjIn.selector;
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}
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// Ensure that invalid selectors throw exceptions at attach time
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// Evaluate against documentElement in case elem is a non-element node (e.g., document)
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if ( selector ) {
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jQuery.find.matchesSelector( documentElement, selector );
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}
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// Make sure that the handler has a unique ID, used to find/remove it later
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if ( !handler.guid ) {
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handler.guid = jQuery.guid++;
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}
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// Init the element's event structure and main handler, if this is the first
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if ( !( events = elemData.events ) ) {
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events = elemData.events = {};
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}
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if ( !( eventHandle = elemData.handle ) ) {
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eventHandle = elemData.handle = function( e ) {
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// Discard the second event of a jQuery.event.trigger() and
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// when an event is called after a page has unloaded
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return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
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jQuery.event.dispatch.apply( elem, arguments ) : undefined;
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};
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}
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// Handle multiple events separated by a space
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types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
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t = types.length;
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while ( t-- ) {
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tmp = rtypenamespace.exec( types[ t ] ) || [];
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type = origType = tmp[ 1 ];
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namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
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// There *must* be a type, no attaching namespace-only handlers
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if ( !type ) {
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continue;
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}
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// If event changes its type, use the special event handlers for the changed type
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special = jQuery.event.special[ type ] || {};
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// If selector defined, determine special event api type, otherwise given type
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type = ( selector ? special.delegateType : special.bindType ) || type;
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// Update special based on newly reset type
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special = jQuery.event.special[ type ] || {};
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// handleObj is passed to all event handlers
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handleObj = jQuery.extend( {
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type: type,
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origType: origType,
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data: data,
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handler: handler,
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guid: handler.guid,
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selector: selector,
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needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
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namespace: namespaces.join( "." )
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}, handleObjIn );
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// Init the event handler queue if we're the first
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if ( !( handlers = events[ type ] ) ) {
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handlers = events[ type ] = [];
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handlers.delegateCount = 0;
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// Only use addEventListener if the special events handler returns false
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if ( !special.setup ||
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special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
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if ( elem.addEventListener ) {
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elem.addEventListener( type, eventHandle );
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}
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}
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}
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if ( special.add ) {
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special.add.call( elem, handleObj );
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if ( !handleObj.handler.guid ) {
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handleObj.handler.guid = handler.guid;
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}
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}
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// Add to the element's handler list, delegates in front
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if ( selector ) {
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handlers.splice( handlers.delegateCount++, 0, handleObj );
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} else {
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handlers.push( handleObj );
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}
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// Keep track of which events have ever been used, for event optimization
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jQuery.event.global[ type ] = true;
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}
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},
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// Detach an event or set of events from an element
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remove: function( elem, types, handler, selector, mappedTypes ) {
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var j, origCount, tmp,
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events, t, handleObj,
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special, handlers, type, namespaces, origType,
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elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
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if ( !elemData || !( events = elemData.events ) ) {
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return;
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}
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// Once for each type.namespace in types; type may be omitted
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types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
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t = types.length;
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while ( t-- ) {
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tmp = rtypenamespace.exec( types[ t ] ) || [];
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type = origType = tmp[ 1 ];
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namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
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// Unbind all events (on this namespace, if provided) for the element
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if ( !type ) {
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for ( type in events ) {
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jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
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}
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continue;
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}
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special = jQuery.event.special[ type ] || {};
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type = ( selector ? special.delegateType : special.bindType ) || type;
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handlers = events[ type ] || [];
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tmp = tmp[ 2 ] &&
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new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
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// Remove matching events
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origCount = j = handlers.length;
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while ( j-- ) {
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handleObj = handlers[ j ];
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if ( ( mappedTypes || origType === handleObj.origType ) &&
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( !handler || handler.guid === handleObj.guid ) &&
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( !tmp || tmp.test( handleObj.namespace ) ) &&
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( !selector || selector === handleObj.selector ||
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selector === "**" && handleObj.selector ) ) {
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handlers.splice( j, 1 );
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if ( handleObj.selector ) {
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handlers.delegateCount--;
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}
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if ( special.remove ) {
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special.remove.call( elem, handleObj );
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}
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}
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}
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// Remove generic event handler if we removed something and no more handlers exist
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// (avoids potential for endless recursion during removal of special event handlers)
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if ( origCount && !handlers.length ) {
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if ( !special.teardown ||
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special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
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jQuery.removeEvent( elem, type, elemData.handle );
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}
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delete events[ type ];
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}
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}
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// Remove data and the expando if it's no longer used
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if ( jQuery.isEmptyObject( events ) ) {
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dataPriv.remove( elem, "handle events" );
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}
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},
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dispatch: function( nativeEvent ) {
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// Make a writable jQuery.Event from the native event object
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var event = jQuery.event.fix( nativeEvent );
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var i, j, ret, matched, handleObj, handlerQueue,
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args = new Array( arguments.length ),
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handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
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special = jQuery.event.special[ event.type ] || {};
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// Use the fix-ed jQuery.Event rather than the (read-only) native event
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args[ 0 ] = event;
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for ( i = 1; i < arguments.length; i++ ) {
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args[ i ] = arguments[ i ];
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}
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event.delegateTarget = this;
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// Call the preDispatch hook for the mapped type, and let it bail if desired
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if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
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return;
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}
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// Determine handlers
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handlerQueue = jQuery.event.handlers.call( this, event, handlers );
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// Run delegates first; they may want to stop propagation beneath us
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i = 0;
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while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
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event.currentTarget = matched.elem;
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j = 0;
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while ( ( handleObj = matched.handlers[ j++ ] ) &&
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!event.isImmediatePropagationStopped() ) {
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// Triggered event must either 1) have no namespace, or 2) have namespace(s)
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// a subset or equal to those in the bound event (both can have no namespace).
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if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
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event.handleObj = handleObj;
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event.data = handleObj.data;
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ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
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handleObj.handler ).apply( matched.elem, args );
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if ( ret !== undefined ) {
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if ( ( event.result = ret ) === false ) {
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event.preventDefault();
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event.stopPropagation();
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}
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}
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}
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}
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}
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// Call the postDispatch hook for the mapped type
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if ( special.postDispatch ) {
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special.postDispatch.call( this, event );
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}
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return event.result;
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},
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handlers: function( event, handlers ) {
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var i, handleObj, sel, matchedHandlers, matchedSelectors,
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handlerQueue = [],
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delegateCount = handlers.delegateCount,
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cur = event.target;
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// Find delegate handlers
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if ( delegateCount &&
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// Support: IE <=9
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// Black-hole SVG <use> instance trees (trac-13180)
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cur.nodeType &&
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// Support: Firefox <=42
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// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
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// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
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// Support: IE 11 only
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// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
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!( event.type === "click" && event.button >= 1 ) ) {
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for ( ; cur !== this; cur = cur.parentNode || this ) {
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// Don't check non-elements (#13208)
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// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
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if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
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matchedHandlers = [];
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matchedSelectors = {};
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for ( i = 0; i < delegateCount; i++ ) {
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handleObj = handlers[ i ];
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// Don't conflict with Object.prototype properties (#13203)
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sel = handleObj.selector + " ";
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if ( matchedSelectors[ sel ] === undefined ) {
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matchedSelectors[ sel ] = handleObj.needsContext ?
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jQuery( sel, this ).index( cur ) > -1 :
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jQuery.find( sel, this, null, [ cur ] ).length;
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}
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if ( matchedSelectors[ sel ] ) {
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matchedHandlers.push( handleObj );
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}
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}
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if ( matchedHandlers.length ) {
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handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
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}
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}
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}
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}
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// Add the remaining (directly-bound) handlers
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cur = this;
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if ( delegateCount < handlers.length ) {
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handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
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}
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return handlerQueue;
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},
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addProp: function( name, hook ) {
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Object.defineProperty( jQuery.Event.prototype, name, {
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enumerable: true,
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configurable: true,
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get: jQuery.isFunction( hook ) ?
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function() {
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if ( this.originalEvent ) {
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return hook( this.originalEvent );
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}
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} :
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function() {
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if ( this.originalEvent ) {
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return this.originalEvent[ name ];
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}
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},
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set: function( value ) {
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Object.defineProperty( this, name, {
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enumerable: true,
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configurable: true,
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writable: true,
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value: value
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} );
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}
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} );
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},
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fix: function( originalEvent ) {
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return originalEvent[ jQuery.expando ] ?
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originalEvent :
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new jQuery.Event( originalEvent );
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},
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special: {
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load: {
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// Prevent triggered image.load events from bubbling to window.load
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noBubble: true
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},
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focus: {
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// Fire native event if possible so blur/focus sequence is correct
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trigger: function() {
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if ( this !== safeActiveElement() && this.focus ) {
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this.focus();
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return false;
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}
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},
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delegateType: "focusin"
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},
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blur: {
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trigger: function() {
|
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if ( this === safeActiveElement() && this.blur ) {
|
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this.blur();
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return false;
|
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}
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},
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delegateType: "focusout"
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},
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click: {
|
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|
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// For checkbox, fire native event so checked state will be right
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trigger: function() {
|
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if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) {
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this.click();
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return false;
|
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}
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},
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|
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// For cross-browser consistency, don't fire native .click() on links
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|
_default: function( event ) {
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return jQuery.nodeName( event.target, "a" );
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}
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},
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|
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beforeunload: {
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postDispatch: function( event ) {
|
|
|
|
// Support: Firefox 20+
|
|
// Firefox doesn't alert if the returnValue field is not set.
|
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if ( event.result !== undefined && event.originalEvent ) {
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event.originalEvent.returnValue = event.result;
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}
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}
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}
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}
|
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};
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|
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jQuery.removeEvent = function( elem, type, handle ) {
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|
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// This "if" is needed for plain objects
|
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if ( elem.removeEventListener ) {
|
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elem.removeEventListener( type, handle );
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}
|
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};
|
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|
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jQuery.Event = function( src, props ) {
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|
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// Allow instantiation without the 'new' keyword
|
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if ( !( this instanceof jQuery.Event ) ) {
|
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return new jQuery.Event( src, props );
|
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}
|
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|
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// Event object
|
|
if ( src && src.type ) {
|
|
this.originalEvent = src;
|
|
this.type = src.type;
|
|
|
|
// Events bubbling up the document may have been marked as prevented
|
|
// by a handler lower down the tree; reflect the correct value.
|
|
this.isDefaultPrevented = src.defaultPrevented ||
|
|
src.defaultPrevented === undefined &&
|
|
|
|
// Support: Android <=2.3 only
|
|
src.returnValue === false ?
|
|
returnTrue :
|
|
returnFalse;
|
|
|
|
// Create target properties
|
|
// Support: Safari <=6 - 7 only
|
|
// Target should not be a text node (#504, #13143)
|
|
this.target = ( src.target && src.target.nodeType === 3 ) ?
|
|
src.target.parentNode :
|
|
src.target;
|
|
|
|
this.currentTarget = src.currentTarget;
|
|
this.relatedTarget = src.relatedTarget;
|
|
|
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// Event type
|
|
} else {
|
|
this.type = src;
|
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}
|
|
|
|
// Put explicitly provided properties onto the event object
|
|
if ( props ) {
|
|
jQuery.extend( this, props );
|
|
}
|
|
|
|
// Create a timestamp if incoming event doesn't have one
|
|
this.timeStamp = src && src.timeStamp || jQuery.now();
|
|
|
|
// Mark it as fixed
|
|
this[ jQuery.expando ] = true;
|
|
};
|
|
|
|
// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
|
|
// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
|
|
jQuery.Event.prototype = {
|
|
constructor: jQuery.Event,
|
|
isDefaultPrevented: returnFalse,
|
|
isPropagationStopped: returnFalse,
|
|
isImmediatePropagationStopped: returnFalse,
|
|
isSimulated: false,
|
|
|
|
preventDefault: function() {
|
|
var e = this.originalEvent;
|
|
|
|
this.isDefaultPrevented = returnTrue;
|
|
|
|
if ( e && !this.isSimulated ) {
|
|
e.preventDefault();
|
|
}
|
|
},
|
|
stopPropagation: function() {
|
|
var e = this.originalEvent;
|
|
|
|
this.isPropagationStopped = returnTrue;
|
|
|
|
if ( e && !this.isSimulated ) {
|
|
e.stopPropagation();
|
|
}
|
|
},
|
|
stopImmediatePropagation: function() {
|
|
var e = this.originalEvent;
|
|
|
|
this.isImmediatePropagationStopped = returnTrue;
|
|
|
|
if ( e && !this.isSimulated ) {
|
|
e.stopImmediatePropagation();
|
|
}
|
|
|
|
this.stopPropagation();
|
|
}
|
|
};
|
|
|
|
// Includes all common event props including KeyEvent and MouseEvent specific props
|
|
jQuery.each( {
|
|
altKey: true,
|
|
bubbles: true,
|
|
cancelable: true,
|
|
changedTouches: true,
|
|
ctrlKey: true,
|
|
detail: true,
|
|
eventPhase: true,
|
|
metaKey: true,
|
|
pageX: true,
|
|
pageY: true,
|
|
shiftKey: true,
|
|
view: true,
|
|
"char": true,
|
|
charCode: true,
|
|
key: true,
|
|
keyCode: true,
|
|
button: true,
|
|
buttons: true,
|
|
clientX: true,
|
|
clientY: true,
|
|
offsetX: true,
|
|
offsetY: true,
|
|
pointerId: true,
|
|
pointerType: true,
|
|
screenX: true,
|
|
screenY: true,
|
|
targetTouches: true,
|
|
toElement: true,
|
|
touches: true,
|
|
|
|
which: function( event ) {
|
|
var button = event.button;
|
|
|
|
// Add which for key events
|
|
if ( event.which == null && rkeyEvent.test( event.type ) ) {
|
|
return event.charCode != null ? event.charCode : event.keyCode;
|
|
}
|
|
|
|
// Add which for click: 1 === left; 2 === middle; 3 === right
|
|
if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
|
|
if ( button & 1 ) {
|
|
return 1;
|
|
}
|
|
|
|
if ( button & 2 ) {
|
|
return 3;
|
|
}
|
|
|
|
if ( button & 4 ) {
|
|
return 2;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
return event.which;
|
|
}
|
|
}, jQuery.event.addProp );
|
|
|
|
// Create mouseenter/leave events using mouseover/out and event-time checks
|
|
// so that event delegation works in jQuery.
|
|
// Do the same for pointerenter/pointerleave and pointerover/pointerout
|
|
//
|
|
// Support: Safari 7 only
|
|
// Safari sends mouseenter too often; see:
|
|
// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
|
|
// for the description of the bug (it existed in older Chrome versions as well).
|
|
jQuery.each( {
|
|
mouseenter: "mouseover",
|
|
mouseleave: "mouseout",
|
|
pointerenter: "pointerover",
|
|
pointerleave: "pointerout"
|
|
}, function( orig, fix ) {
|
|
jQuery.event.special[ orig ] = {
|
|
delegateType: fix,
|
|
bindType: fix,
|
|
|
|
handle: function( event ) {
|
|
var ret,
|
|
target = this,
|
|
related = event.relatedTarget,
|
|
handleObj = event.handleObj;
|
|
|
|
// For mouseenter/leave call the handler if related is outside the target.
|
|
// NB: No relatedTarget if the mouse left/entered the browser window
|
|
if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
|
|
event.type = handleObj.origType;
|
|
ret = handleObj.handler.apply( this, arguments );
|
|
event.type = fix;
|
|
}
|
|
return ret;
|
|
}
|
|
};
|
|
} );
|
|
|
|
jQuery.fn.extend( {
|
|
|
|
on: function( types, selector, data, fn ) {
|
|
return on( this, types, selector, data, fn );
|
|
},
|
|
one: function( types, selector, data, fn ) {
|
|
return on( this, types, selector, data, fn, 1 );
|
|
},
|
|
off: function( types, selector, fn ) {
|
|
var handleObj, type;
|
|
if ( types && types.preventDefault && types.handleObj ) {
|
|
|
|
// ( event ) dispatched jQuery.Event
|
|
handleObj = types.handleObj;
|
|
jQuery( types.delegateTarget ).off(
|
|
handleObj.namespace ?
|
|
handleObj.origType + "." + handleObj.namespace :
|
|
handleObj.origType,
|
|
handleObj.selector,
|
|
handleObj.handler
|
|
);
|
|
return this;
|
|
}
|
|
if ( typeof types === "object" ) {
|
|
|
|
// ( types-object [, selector] )
|
|
for ( type in types ) {
|
|
this.off( type, selector, types[ type ] );
|
|
}
|
|
return this;
|
|
}
|
|
if ( selector === false || typeof selector === "function" ) {
|
|
|
|
// ( types [, fn] )
|
|
fn = selector;
|
|
selector = undefined;
|
|
}
|
|
if ( fn === false ) {
|
|
fn = returnFalse;
|
|
}
|
|
return this.each( function() {
|
|
jQuery.event.remove( this, types, fn, selector );
|
|
} );
|
|
}
|
|
} );
|
|
|
|
return jQuery;
|
|
} );
|