712 lines
19 KiB
JavaScript
712 lines
19 KiB
JavaScript
define( [
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"./core",
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"./var/document",
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"./var/rnotwhite",
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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, rnotwhite, slice, dataPriv ) {
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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: IE9
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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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// 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( rnotwhite ) || [ "" ];
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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( rnotwhite ) || [ "" ];
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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( event ) {
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// Make a writable jQuery.Event from the native event object
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event = jQuery.event.fix( event );
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var i, j, ret, matched, handleObj,
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handlerQueue = [],
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args = slice.call( arguments ),
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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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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, matches, sel, handleObj,
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handlerQueue = [],
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delegateCount = handlers.delegateCount,
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cur = event.target;
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// Support (at least): Chrome, IE9
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// Find delegate handlers
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// Black-hole SVG <use> instance trees (#13180)
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//
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// Support: Firefox<=42+
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// Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343)
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if ( delegateCount && cur.nodeType &&
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( event.type !== "click" || isNaN( event.button ) || 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 && ( cur.disabled !== true || event.type !== "click" ) ) {
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matches = [];
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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 ( matches[ sel ] === undefined ) {
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matches[ 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 ( matches[ sel ] ) {
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matches.push( handleObj );
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}
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}
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if ( matches.length ) {
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handlerQueue.push( { elem: cur, handlers: matches } );
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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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if ( delegateCount < handlers.length ) {
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handlerQueue.push( { elem: this, handlers: handlers.slice( delegateCount ) } );
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}
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return handlerQueue;
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},
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// Includes some event props shared by KeyEvent and MouseEvent
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props: ( "altKey bubbles cancelable ctrlKey currentTarget detail eventPhase " +
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"metaKey relatedTarget shiftKey target timeStamp view which" ).split( " " ),
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fixHooks: {},
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keyHooks: {
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props: "char charCode key keyCode".split( " " ),
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filter: function( event, original ) {
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// Add which for key events
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if ( event.which == null ) {
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event.which = original.charCode != null ? original.charCode : original.keyCode;
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}
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return event;
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}
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},
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mouseHooks: {
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props: ( "button buttons clientX clientY offsetX offsetY pageX pageY " +
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"screenX screenY toElement" ).split( " " ),
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filter: function( event, original ) {
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var eventDoc, doc, body,
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button = original.button;
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// Calculate pageX/Y if missing and clientX/Y available
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if ( event.pageX == null && original.clientX != null ) {
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eventDoc = event.target.ownerDocument || document;
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doc = eventDoc.documentElement;
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body = eventDoc.body;
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event.pageX = original.clientX +
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( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) -
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( doc && doc.clientLeft || body && body.clientLeft || 0 );
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event.pageY = original.clientY +
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( doc && doc.scrollTop || body && body.scrollTop || 0 ) -
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( doc && doc.clientTop || body && body.clientTop || 0 );
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}
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// Add which for click: 1 === left; 2 === middle; 3 === right
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// Note: button is not normalized, so don't use it
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if ( !event.which && button !== undefined ) {
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event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
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}
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return event;
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}
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},
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fix: function( event ) {
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if ( event[ jQuery.expando ] ) {
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return event;
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}
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// Create a writable copy of the event object and normalize some properties
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var i, prop, copy,
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type = event.type,
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originalEvent = event,
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fixHook = this.fixHooks[ type ];
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if ( !fixHook ) {
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this.fixHooks[ type ] = fixHook =
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rmouseEvent.test( type ) ? this.mouseHooks :
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rkeyEvent.test( type ) ? this.keyHooks :
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{};
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}
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copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
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event = new jQuery.Event( originalEvent );
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i = copy.length;
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while ( i-- ) {
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prop = copy[ i ];
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event[ prop ] = originalEvent[ prop ];
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}
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// Support: Cordova 2.5 (WebKit) (#13255)
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// All events should have a target; Cordova deviceready doesn't
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if ( !event.target ) {
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event.target = document;
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}
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// Support: Safari 6.0+, Chrome<28
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// Target should not be a text node (#504, #13143)
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if ( event.target.nodeType === 3 ) {
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event.target = event.target.parentNode;
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}
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return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
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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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// 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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// 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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beforeunload: {
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postDispatch: function( event ) {
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// Support: Firefox 20+
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// 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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jQuery.removeEvent = function( elem, type, handle ) {
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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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jQuery.Event = function( src, props ) {
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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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// Event object
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if ( src && src.type ) {
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this.originalEvent = src;
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this.type = src.type;
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// Events bubbling up the document may have been marked as prevented
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// by a handler lower down the tree; reflect the correct value.
|
|
this.isDefaultPrevented = src.defaultPrevented ||
|
|
src.defaultPrevented === undefined &&
|
|
|
|
// Support: Android<4.0
|
|
src.returnValue === false ?
|
|
returnTrue :
|
|
returnFalse;
|
|
|
|
// Event type
|
|
} else {
|
|
this.type = src;
|
|
}
|
|
|
|
// 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
|
|
// http://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();
|
|
}
|
|
};
|
|
|
|
// 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://code.google.com/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;
|
|
} );
|