/pack-rat/003_pack_rat/pack-rat/bower_components/jquery/src/event.js |
@@ -0,0 +1,746 @@ |
define( [ |
"./core", |
"./var/document", |
"./var/documentElement", |
"./var/rnothtmlwhite", |
"./var/slice", |
"./data/var/dataPriv", |
"./core/nodeName", |
|
"./core/init", |
"./selector" |
], function( jQuery, document, documentElement, rnothtmlwhite, slice, dataPriv, nodeName ) { |
|
"use strict"; |
|
var |
rkeyEvent = /^key/, |
rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/, |
rtypenamespace = /^([^.]*)(?:\.(.+)|)/; |
|
function returnTrue() { |
return true; |
} |
|
function returnFalse() { |
return false; |
} |
|
// Support: IE <=9 only |
// See #13393 for more info |
function safeActiveElement() { |
try { |
return document.activeElement; |
} catch ( err ) { } |
} |
|
function on( elem, types, selector, data, fn, one ) { |
var origFn, type; |
|
// Types can be a map of types/handlers |
if ( typeof types === "object" ) { |
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// ( types-Object, selector, data ) |
if ( typeof selector !== "string" ) { |
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// ( types-Object, data ) |
data = data || selector; |
selector = undefined; |
} |
for ( type in types ) { |
on( elem, type, selector, data, types[ type ], one ); |
} |
return elem; |
} |
|
if ( data == null && fn == null ) { |
|
// ( types, fn ) |
fn = selector; |
data = selector = undefined; |
} else if ( fn == null ) { |
if ( typeof selector === "string" ) { |
|
// ( types, selector, fn ) |
fn = data; |
data = undefined; |
} else { |
|
// ( types, data, fn ) |
fn = data; |
data = selector; |
selector = undefined; |
} |
} |
if ( fn === false ) { |
fn = returnFalse; |
} else if ( !fn ) { |
return elem; |
} |
|
if ( one === 1 ) { |
origFn = fn; |
fn = function( event ) { |
|
// Can use an empty set, since event contains the info |
jQuery().off( event ); |
return origFn.apply( this, arguments ); |
}; |
|
// Use same guid so caller can remove using origFn |
fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); |
} |
return elem.each( function() { |
jQuery.event.add( this, types, fn, data, selector ); |
} ); |
} |
|
/* |
* Helper functions for managing events -- not part of the public interface. |
* Props to Dean Edwards' addEvent library for many of the ideas. |
*/ |
jQuery.event = { |
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global: {}, |
|
add: function( elem, types, handler, data, selector ) { |
|
var handleObjIn, eventHandle, tmp, |
events, t, handleObj, |
special, handlers, type, namespaces, origType, |
elemData = dataPriv.get( elem ); |
|
// Don't attach events to noData or text/comment nodes (but allow plain objects) |
if ( !elemData ) { |
return; |
} |
|
// Caller can pass in an object of custom data in lieu of the handler |
if ( handler.handler ) { |
handleObjIn = handler; |
handler = handleObjIn.handler; |
selector = handleObjIn.selector; |
} |
|
// Ensure that invalid selectors throw exceptions at attach time |
// Evaluate against documentElement in case elem is a non-element node (e.g., document) |
if ( selector ) { |
jQuery.find.matchesSelector( documentElement, selector ); |
} |
|
// Make sure that the handler has a unique ID, used to find/remove it later |
if ( !handler.guid ) { |
handler.guid = jQuery.guid++; |
} |
|
// Init the element's event structure and main handler, if this is the first |
if ( !( events = elemData.events ) ) { |
events = elemData.events = {}; |
} |
if ( !( eventHandle = elemData.handle ) ) { |
eventHandle = elemData.handle = function( e ) { |
|
// Discard the second event of a jQuery.event.trigger() and |
// when an event is called after a page has unloaded |
return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? |
jQuery.event.dispatch.apply( elem, arguments ) : undefined; |
}; |
} |
|
// Handle multiple events separated by a space |
types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; |
t = types.length; |
while ( t-- ) { |
tmp = rtypenamespace.exec( types[ t ] ) || []; |
type = origType = tmp[ 1 ]; |
namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); |
|
// There *must* be a type, no attaching namespace-only handlers |
if ( !type ) { |
continue; |
} |
|
// If event changes its type, use the special event handlers for the changed type |
special = jQuery.event.special[ type ] || {}; |
|
// If selector defined, determine special event api type, otherwise given type |
type = ( selector ? special.delegateType : special.bindType ) || type; |
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// Update special based on newly reset type |
special = jQuery.event.special[ type ] || {}; |
|
// handleObj is passed to all event handlers |
handleObj = jQuery.extend( { |
type: type, |
origType: origType, |
data: data, |
handler: handler, |
guid: handler.guid, |
selector: selector, |
needsContext: selector && jQuery.expr.match.needsContext.test( selector ), |
namespace: namespaces.join( "." ) |
}, handleObjIn ); |
|
// Init the event handler queue if we're the first |
if ( !( handlers = events[ type ] ) ) { |
handlers = events[ type ] = []; |
handlers.delegateCount = 0; |
|
// Only use addEventListener if the special events handler returns false |
if ( !special.setup || |
special.setup.call( elem, data, namespaces, eventHandle ) === false ) { |
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if ( elem.addEventListener ) { |
elem.addEventListener( type, eventHandle ); |
} |
} |
} |
|
if ( special.add ) { |
special.add.call( elem, handleObj ); |
|
if ( !handleObj.handler.guid ) { |
handleObj.handler.guid = handler.guid; |
} |
} |
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// Add to the element's handler list, delegates in front |
if ( selector ) { |
handlers.splice( handlers.delegateCount++, 0, handleObj ); |
} else { |
handlers.push( handleObj ); |
} |
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// Keep track of which events have ever been used, for event optimization |
jQuery.event.global[ type ] = true; |
} |
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}, |
|
// Detach an event or set of events from an element |
remove: function( elem, types, handler, selector, mappedTypes ) { |
|
var j, origCount, tmp, |
events, t, handleObj, |
special, handlers, type, namespaces, origType, |
elemData = dataPriv.hasData( elem ) && dataPriv.get( elem ); |
|
if ( !elemData || !( events = elemData.events ) ) { |
return; |
} |
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// Once for each type.namespace in types; type may be omitted |
types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; |
t = types.length; |
while ( t-- ) { |
tmp = rtypenamespace.exec( types[ t ] ) || []; |
type = origType = tmp[ 1 ]; |
namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); |
|
// Unbind all events (on this namespace, if provided) for the element |
if ( !type ) { |
for ( type in events ) { |
jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); |
} |
continue; |
} |
|
special = jQuery.event.special[ type ] || {}; |
type = ( selector ? special.delegateType : special.bindType ) || type; |
handlers = events[ type ] || []; |
tmp = tmp[ 2 ] && |
new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ); |
|
// Remove matching events |
origCount = j = handlers.length; |
while ( j-- ) { |
handleObj = handlers[ j ]; |
|
if ( ( mappedTypes || origType === handleObj.origType ) && |
( !handler || handler.guid === handleObj.guid ) && |
( !tmp || tmp.test( handleObj.namespace ) ) && |
( !selector || selector === handleObj.selector || |
selector === "**" && handleObj.selector ) ) { |
handlers.splice( j, 1 ); |
|
if ( handleObj.selector ) { |
handlers.delegateCount--; |
} |
if ( special.remove ) { |
special.remove.call( elem, handleObj ); |
} |
} |
} |
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// Remove generic event handler if we removed something and no more handlers exist |
// (avoids potential for endless recursion during removal of special event handlers) |
if ( origCount && !handlers.length ) { |
if ( !special.teardown || |
special.teardown.call( elem, namespaces, elemData.handle ) === false ) { |
|
jQuery.removeEvent( elem, type, elemData.handle ); |
} |
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delete events[ type ]; |
} |
} |
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// Remove data and the expando if it's no longer used |
if ( jQuery.isEmptyObject( events ) ) { |
dataPriv.remove( elem, "handle events" ); |
} |
}, |
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dispatch: function( nativeEvent ) { |
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// Make a writable jQuery.Event from the native event object |
var event = jQuery.event.fix( nativeEvent ); |
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var i, j, ret, matched, handleObj, handlerQueue, |
args = new Array( arguments.length ), |
handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [], |
special = jQuery.event.special[ event.type ] || {}; |
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// Use the fix-ed jQuery.Event rather than the (read-only) native event |
args[ 0 ] = event; |
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for ( i = 1; i < arguments.length; i++ ) { |
args[ i ] = arguments[ i ]; |
} |
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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 |
if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { |
return; |
} |
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// Determine handlers |
handlerQueue = jQuery.event.handlers.call( this, event, handlers ); |
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// Run delegates first; they may want to stop propagation beneath us |
i = 0; |
while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { |
event.currentTarget = matched.elem; |
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j = 0; |
while ( ( handleObj = matched.handlers[ j++ ] ) && |
!event.isImmediatePropagationStopped() ) { |
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// Triggered event must either 1) have no namespace, or 2) have namespace(s) |
// a subset or equal to those in the bound event (both can have no namespace). |
if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) { |
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event.handleObj = handleObj; |
event.data = handleObj.data; |
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ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || |
handleObj.handler ).apply( matched.elem, args ); |
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if ( ret !== undefined ) { |
if ( ( event.result = ret ) === false ) { |
event.preventDefault(); |
event.stopPropagation(); |
} |
} |
} |
} |
} |
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// Call the postDispatch hook for the mapped type |
if ( special.postDispatch ) { |
special.postDispatch.call( this, event ); |
} |
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return event.result; |
}, |
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handlers: function( event, handlers ) { |
var i, handleObj, sel, matchedHandlers, matchedSelectors, |
handlerQueue = [], |
delegateCount = handlers.delegateCount, |
cur = event.target; |
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// Find delegate handlers |
if ( delegateCount && |
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// Support: IE <=9 |
// Black-hole SVG <use> instance trees (trac-13180) |
cur.nodeType && |
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// Support: Firefox <=42 |
// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) |
// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click |
// Support: IE 11 only |
// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) |
!( 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) |
// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) |
if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { |
matchedHandlers = []; |
matchedSelectors = {}; |
for ( i = 0; i < delegateCount; i++ ) { |
handleObj = handlers[ i ]; |
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// Don't conflict with Object.prototype properties (#13203) |
sel = handleObj.selector + " "; |
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if ( matchedSelectors[ sel ] === undefined ) { |
matchedSelectors[ sel ] = handleObj.needsContext ? |
jQuery( sel, this ).index( cur ) > -1 : |
jQuery.find( sel, this, null, [ cur ] ).length; |
} |
if ( matchedSelectors[ sel ] ) { |
matchedHandlers.push( handleObj ); |
} |
} |
if ( matchedHandlers.length ) { |
handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); |
} |
} |
} |
} |
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// Add the remaining (directly-bound) handlers |
cur = this; |
if ( delegateCount < handlers.length ) { |
handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); |
} |
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return handlerQueue; |
}, |
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addProp: function( name, hook ) { |
Object.defineProperty( jQuery.Event.prototype, name, { |
enumerable: true, |
configurable: true, |
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get: jQuery.isFunction( hook ) ? |
function() { |
if ( this.originalEvent ) { |
return hook( this.originalEvent ); |
} |
} : |
function() { |
if ( this.originalEvent ) { |
return this.originalEvent[ name ]; |
} |
}, |
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set: function( value ) { |
Object.defineProperty( this, name, { |
enumerable: true, |
configurable: true, |
writable: true, |
value: value |
} ); |
} |
} ); |
}, |
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fix: function( originalEvent ) { |
return originalEvent[ jQuery.expando ] ? |
originalEvent : |
new jQuery.Event( originalEvent ); |
}, |
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special: { |
load: { |
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// Prevent triggered image.load events from bubbling to window.load |
noBubble: true |
}, |
focus: { |
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// Fire native event if possible so blur/focus sequence is correct |
trigger: function() { |
if ( this !== safeActiveElement() && this.focus ) { |
this.focus(); |
return false; |
} |
}, |
delegateType: "focusin" |
}, |
blur: { |
trigger: function() { |
if ( this === safeActiveElement() && this.blur ) { |
this.blur(); |
return false; |
} |
}, |
delegateType: "focusout" |
}, |
click: { |
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// For checkbox, fire native event so checked state will be right |
trigger: function() { |
if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) { |
this.click(); |
return false; |
} |
}, |
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// For cross-browser consistency, don't fire native .click() on links |
_default: function( event ) { |
return nodeName( event.target, "a" ); |
} |
}, |
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beforeunload: { |
postDispatch: function( event ) { |
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// Support: Firefox 20+ |
// Firefox doesn't alert if the returnValue field is not set. |
if ( event.result !== undefined && event.originalEvent ) { |
event.originalEvent.returnValue = event.result; |
} |
} |
} |
} |
}; |
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jQuery.removeEvent = function( elem, type, handle ) { |
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// This "if" is needed for plain objects |
if ( elem.removeEventListener ) { |
elem.removeEventListener( type, handle ); |
} |
}; |
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jQuery.Event = function( src, props ) { |
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// Allow instantiation without the 'new' keyword |
if ( !( this instanceof jQuery.Event ) ) { |
return new jQuery.Event( src, props ); |
} |
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// Event object |
if ( src && src.type ) { |
this.originalEvent = src; |
this.type = src.type; |
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// 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 && |
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// Support: Android <=2.3 only |
src.returnValue === false ? |
returnTrue : |
returnFalse; |
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// 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 ); |
} |
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// Create a timestamp if incoming event doesn't have one |
this.timeStamp = src && src.timeStamp || jQuery.now(); |
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// Mark it as fixed |
this[ jQuery.expando ] = true; |
}; |
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// 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, |
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preventDefault: function() { |
var e = this.originalEvent; |
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this.isDefaultPrevented = returnTrue; |
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if ( e && !this.isSimulated ) { |
e.preventDefault(); |
} |
}, |
stopPropagation: function() { |
var e = this.originalEvent; |
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this.isPropagationStopped = returnTrue; |
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if ( e && !this.isSimulated ) { |
e.stopPropagation(); |
} |
}, |
stopImmediatePropagation: function() { |
var e = this.originalEvent; |
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this.isImmediatePropagationStopped = returnTrue; |
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if ( e && !this.isSimulated ) { |
e.stopImmediatePropagation(); |
} |
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this.stopPropagation(); |
} |
}; |
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// 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; |
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// 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; |
} |
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if ( button & 2 ) { |
return 3; |
} |
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if ( button & 4 ) { |
return 2; |
} |
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return 0; |
} |
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return event.which; |
} |
}, jQuery.event.addProp ); |
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// 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; |
} |
}; |
} ); |
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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; |
} ); |