X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fevent.js;h=588a7979ac5a5443b5834d667faad68b1ae88267;hb=8effe3a7dee91c833cc1774646da9d743600c64c;hp=f7c69f84e5306b5dd7df3d421272505293866364;hpb=be2407e233f1731e3f0ec79bdc8efaadd1f32f9f;p=jquery.git diff --git a/src/event.js b/src/event.js index f7c69f8..588a797 100644 --- a/src/event.js +++ b/src/event.js @@ -25,6 +25,10 @@ jQuery.event = { elem = window; } + if ( handler === false ) { + handler = returnFalse; + } + var handleObjIn, handleObj; if ( handler.handler ) { @@ -47,7 +51,7 @@ jQuery.event = { } var events = elemData.events = elemData.events || {}, - eventHandle = elemData.handle, eventHandle; + eventHandle = elemData.handle; if ( !eventHandle ) { elemData.handle = eventHandle = function() { @@ -86,7 +90,9 @@ jQuery.event = { } handleObj.type = type; - handleObj.guid = handler.guid; + if ( !handleObj.guid ) { + handleObj.guid = handler.guid; + } // Get the current list of functions bound to this event var handlers = events[ type ], @@ -99,7 +105,7 @@ jQuery.event = { // Check for a special event handler // Only use addEventListener/attachEvent if the special // events handler returns false - if ( !special.setup || special.setup.call( elem, data, namespaces ) === false ) { + if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { // Bind the global event handler to the element if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle, false ); @@ -112,6 +118,10 @@ jQuery.event = { if ( special.add ) { special.add.call( elem, handleObj ); + + if ( !handleObj.handler.guid ) { + handleObj.handler.guid = handler.guid; + } } // Add the function to the element's handler list @@ -134,7 +144,11 @@ jQuery.event = { return; } - var ret, type, fn, i = 0, all, namespaces, namespace, special, eventType, handleObj, origType, + if ( handler === false ) { + handler = returnFalse; + } + + var ret, type, fn, j, i = 0, all, namespaces, namespace, special, eventType, handleObj, origType, elemData = jQuery.data( elem ), events = elemData && elemData.events; @@ -175,7 +189,7 @@ jQuery.event = { type = namespaces.shift(); namespace = new RegExp("(^|\\.)" + - jQuery.map( namespaces.slice(0).sort(), fcleanup ).join("\\.(?:.*\\.)?") + "(\\.|$)") + jQuery.map( namespaces.slice(0).sort(), fcleanup ).join("\\.(?:.*\\.)?") + "(\\.|$)"); } eventType = events[ type ]; @@ -185,7 +199,7 @@ jQuery.event = { } if ( !handler ) { - for ( var j = 0; j < eventType.length; j++ ) { + for ( j = 0; j < eventType.length; j++ ) { handleObj = eventType[ j ]; if ( all || namespace.test( handleObj.namespace ) ) { @@ -199,7 +213,7 @@ jQuery.event = { special = jQuery.event.special[ type ] || {}; - for ( var j = pos || 0; j < eventType.length; j++ ) { + for ( j = pos || 0; j < eventType.length; j++ ) { handleObj = eventType[ j ]; if ( handler.guid === handleObj.guid ) { @@ -221,7 +235,7 @@ jQuery.event = { } // remove generic event handler if no more handlers exist - if ( jQuery.isEmptyObject( events[ type ] ) ) { + if ( eventType.length === 0 || pos != null && eventType.length === 1 ) { if ( !special.teardown || special.teardown.call( elem, namespaces ) === false ) { removeEvent( elem, type, elemData.handle ); } @@ -317,37 +331,37 @@ jQuery.event = { } // prevent IE from throwing an error for some elements with some event types, see #3533 - } catch (e) {} + } catch (inlineError) {} if ( !event.isPropagationStopped() && parent ) { jQuery.event.trigger( event, data, parent, true ); } else if ( !event.isDefaultPrevented() ) { - var target = event.target, old, - isClick = jQuery.nodeName(target, "a") && type === "click", - special = jQuery.event.special[ type ] || {}; + var target = event.target, old, targetType = type.replace(/\..*$/, ""), + isClick = jQuery.nodeName(target, "a") && targetType === "click", + special = jQuery.event.special[ targetType ] || {}; if ( (!special._default || special._default.call( elem, event ) === false) && !isClick && !(target && target.nodeName && jQuery.noData[target.nodeName.toLowerCase()]) ) { try { - if ( target[ type ] ) { + if ( target[ targetType ] ) { // Make sure that we don't accidentally re-trigger the onFOO events - old = target[ "on" + type ]; + old = target[ "on" + targetType ]; if ( old ) { - target[ "on" + type ] = null; + target[ "on" + targetType ] = null; } jQuery.event.triggered = true; - target[ type ](); + target[ targetType ](); } // prevent IE from throwing an error for some elements with some event types, see #3533 - } catch (e) {} + } catch (triggerError) {} if ( old ) { - target[ "on" + type ] = old; + target[ "on" + targetType ] = old; } jQuery.event.triggered = false; @@ -356,21 +370,25 @@ jQuery.event = { }, handle: function( event ) { - var all, handlers, namespaces, namespace, events; + var all, handlers, namespaces, namespace_sort = [], namespace_re, events, args = jQuery.makeArray( arguments ); - event = arguments[0] = jQuery.event.fix( event || window.event ); + event = args[0] = jQuery.event.fix( event || window.event ); event.currentTarget = this; // Namespaced event handlers - all = event.type.indexOf(".") < 0; + all = event.type.indexOf(".") < 0 && !event.exclusive; if ( !all ) { namespaces = event.type.split("."); event.type = namespaces.shift(); - namespace = new RegExp("(^|\\.)" + namespaces.slice(0).sort().join("\\.(?:.*\\.)?") + "(\\.|$)"); + namespace_sort = namespaces.slice(0).sort(); + namespace_re = new RegExp("(^|\\.)" + namespace_sort.join("\\.(?:.*\\.)?") + "(\\.|$)"); } - var events = jQuery.data(this, "events"), handlers = events[ event.type ]; + event.namespace = event.namespace || namespace_sort.join("."); + + events = jQuery.data(this, "events"); + handlers = (events || {})[ event.type ]; if ( events && handlers ) { // Clone the handlers to prevent manipulation @@ -380,14 +398,14 @@ jQuery.event = { var handleObj = handlers[ j ]; // Filter the functions by class - if ( (all && !event.exclusive) || namespace.test( handleObj.namespace ) ) { + if ( all || namespace_re.test( handleObj.namespace ) ) { // Pass in a reference to the handler function itself // So that we can later remove it event.handler = handleObj.handler; event.data = handleObj.data; event.handleObj = handleObj; - var ret = handleObj.handler.apply( this, arguments ); + var ret = handleObj.handler.apply( this, args ); if ( ret !== undefined ) { event.result = ret; @@ -480,38 +498,26 @@ jQuery.event = { live: { add: function( handleObj ) { - jQuery.event.add( this, handleObj.origType, jQuery.extend({}, handleObj, {handler: liveHandler}) ); + jQuery.event.add( this, + liveConvert( handleObj.origType, handleObj.selector ), + jQuery.extend({}, handleObj, {handler: liveHandler, guid: handleObj.handler.guid}) ); }, remove: function( handleObj ) { - var remove = true, - type = handleObj.origType.replace(rnamespaces, ""); - - jQuery.each( jQuery.data(this, "events").live || [], function() { - if ( type === this.origType.replace(rnamespaces, "") ) { - remove = false; - return false; - } - }); - - if ( remove ) { - jQuery.event.remove( this, handleObj.origType, liveHandler ); - } + jQuery.event.remove( this, liveConvert( handleObj.origType, handleObj.selector ), handleObj ); } - }, beforeunload: { - setup: function( data, namespaces, fn ) { + setup: function( data, namespaces, eventHandle ) { // We only want to do this special case on windows if ( this.setInterval ) { - this.onbeforeunload = fn; + this.onbeforeunload = eventHandle; } - - return false; }, - teardown: function( namespaces, fn ) { - if ( this.onbeforeunload === fn ) { + + teardown: function( namespaces, eventHandle ) { + if ( this.onbeforeunload === eventHandle ) { this.onbeforeunload = null; } } @@ -521,10 +527,14 @@ jQuery.event = { var removeEvent = document.removeEventListener ? function( elem, type, handle ) { - elem.removeEventListener( type, handle, false ); + if ( elem.removeEventListener ) { + elem.removeEventListener( type, handle, false ); + } } : function( elem, type, handle ) { - elem.detachEvent( "on" + type, handle ); + if ( elem.detachEvent ) { + elem.detachEvent( "on" + type, handle ); + } }; jQuery.Event = function( src ) { @@ -544,7 +554,7 @@ jQuery.Event = function( src ) { // timeStamp is buggy for some events on Firefox(#3843) // So we won't rely on the native value - this.timeStamp = now(); + this.timeStamp = jQuery.now(); // Mark it as fixed this[ expando ] = true; @@ -604,27 +614,24 @@ var withinElement = function( event ) { // Check if mouse(over|out) are still within the same parent element var parent = event.relatedTarget; - // Traverse up the tree - while ( parent && parent !== this ) { - // Firefox sometimes assigns relatedTarget a XUL element - // which we cannot access the parentNode property of - try { + // Firefox sometimes assigns relatedTarget a XUL element + // which we cannot access the parentNode property of + try { + // Traverse up the tree + while ( parent && parent !== this ) { parent = parent.parentNode; - - // assuming we've left the element since we most likely mousedover a xul element - } catch(e) { - break; } - } - if ( parent !== this ) { - // set the correct event type - event.type = event.data; + if ( parent !== this ) { + // set the correct event type + event.type = event.data; - // handle event if we actually just moused on to a non sub-element - jQuery.event.handle.apply( this, arguments ); - } + // handle event if we actually just moused on to a non sub-element + jQuery.event.handle.apply( this, arguments ); + } + // assuming we've left the element since we most likely mousedover a xul element + } catch(e) { } }, // In case of event delegation, we only need to rename the event.type, @@ -652,64 +659,65 @@ jQuery.each({ // submit delegation if ( !jQuery.support.submitBubbles ) { -jQuery.event.special.submit = { - setup: function( data, namespaces, fn ) { - if ( this.nodeName.toLowerCase() !== "form" ) { - jQuery.event.add(this, "click.specialSubmit." + fn.guid, function( e ) { - var elem = e.target, type = elem.type; + jQuery.event.special.submit = { + setup: function( data, namespaces ) { + if ( this.nodeName.toLowerCase() !== "form" ) { + jQuery.event.add(this, "click.specialSubmit", function( e ) { + var elem = e.target, type = elem.type; - if ( (type === "submit" || type === "image") && jQuery( elem ).closest("form").length ) { - return trigger( "submit", this, arguments ); - } - }); + if ( (type === "submit" || type === "image") && jQuery( elem ).closest("form").length ) { + return trigger( "submit", this, arguments ); + } + }); - jQuery.event.add(this, "keypress.specialSubmit." + fn.guid, function( e ) { - var elem = e.target, type = elem.type; + jQuery.event.add(this, "keypress.specialSubmit", function( e ) { + var elem = e.target, type = elem.type; - if ( (type === "text" || type === "password") && jQuery( elem ).closest("form").length && e.keyCode === 13 ) { - return trigger( "submit", this, arguments ); - } - }); + if ( (type === "text" || type === "password") && jQuery( elem ).closest("form").length && e.keyCode === 13 ) { + return trigger( "submit", this, arguments ); + } + }); - } else { - return false; - } - }, + } else { + return false; + } + }, - remove: function( namespaces, fn ) { - jQuery.event.remove( this, "click.specialSubmit" + (fn ? "."+fn.guid : "") ); - jQuery.event.remove( this, "keypress.specialSubmit" + (fn ? "."+fn.guid : "") ); - } -}; + teardown: function( namespaces ) { + jQuery.event.remove( this, ".specialSubmit" ); + } + }; } // change delegation, happens here so we have bind. if ( !jQuery.support.changeBubbles ) { -var formElems = /textarea|input|select/i; + var formElems = /textarea|input|select/i, -function getVal( elem ) { - var type = elem.type, val = elem.value; + changeFilters, - if ( type === "radio" || type === "checkbox" ) { - val = elem.checked; + getVal = function( elem ) { + var type = elem.type, val = elem.value; - } else if ( type === "select-multiple" ) { - val = elem.selectedIndex > -1 ? - jQuery.map( elem.options, function( elem ) { - return elem.selected; - }).join("-") : - ""; + if ( type === "radio" || type === "checkbox" ) { + val = elem.checked; - } else if ( elem.nodeName.toLowerCase() === "select" ) { - val = elem.selectedIndex; - } + } else if ( type === "select-multiple" ) { + val = elem.selectedIndex > -1 ? + jQuery.map( elem.options, function( elem ) { + return elem.selected; + }).join("-") : + ""; - return val; -} + } else if ( elem.nodeName.toLowerCase() === "select" ) { + val = elem.selectedIndex; + } + + return val; + }, -function testChange( e ) { + testChange = function testChange( e ) { var elem = e.target, data, val; if ( !formElems.test( elem.nodeName ) || elem.readOnly ) { @@ -732,58 +740,61 @@ function testChange( e ) { e.type = "change"; return jQuery.event.trigger( e, arguments[1], elem ); } -} + }; -jQuery.event.special.change = { - filters: { - focusout: testChange, + jQuery.event.special.change = { + filters: { + focusout: testChange, - click: function( e ) { - var elem = e.target, type = elem.type; + click: function( e ) { + var elem = e.target, type = elem.type; + + if ( type === "radio" || type === "checkbox" || elem.nodeName.toLowerCase() === "select" ) { + return testChange.call( this, e ); + } + }, - if ( type === "radio" || type === "checkbox" || elem.nodeName.toLowerCase() === "select" ) { - return testChange.call( this, e ); + // Change has to be called before submit + // Keydown will be called before keypress, which is used in submit-event delegation + keydown: function( e ) { + var elem = e.target, type = elem.type; + + if ( (e.keyCode === 13 && elem.nodeName.toLowerCase() !== "textarea") || + (e.keyCode === 32 && (type === "checkbox" || type === "radio")) || + type === "select-multiple" ) { + return testChange.call( this, e ); + } + }, + + // Beforeactivate happens also before the previous element is blurred + // with this event you can't trigger a change event, but you can store + // information/focus[in] is not needed anymore + beforeactivate: function( e ) { + var elem = e.target; + jQuery.data( elem, "_change_data", getVal(elem) ); } }, - // Change has to be called before submit - // Keydown will be called before keypress, which is used in submit-event delegation - keydown: function( e ) { - var elem = e.target, type = elem.type; + setup: function( data, namespaces ) { + if ( this.type === "file" ) { + return false; + } - if ( (e.keyCode === 13 && elem.nodeName.toLowerCase() !== "textarea") || - (e.keyCode === 32 && (type === "checkbox" || type === "radio")) || - type === "select-multiple" ) { - return testChange.call( this, e ); + for ( var type in changeFilters ) { + jQuery.event.add( this, type + ".specialChange", changeFilters[type] ); } + + return formElems.test( this.nodeName ); }, - // Beforeactivate happens also before the previous element is blurred - // with this event you can't trigger a change event, but you can store - // information/focus[in] is not needed anymore - beforeactivate: function( e ) { - var elem = e.target; - jQuery.data( elem, "_change_data", getVal(elem) ); - } - }, - setup: function( data, namespaces, fn ) { - for ( var type in changeFilters ) { - jQuery.event.add( this, type + ".specialChange." + fn.guid, changeFilters[type] ); - } + teardown: function( namespaces ) { + jQuery.event.remove( this, ".specialChange" ); - return formElems.test( this.nodeName ); - }, - remove: function( namespaces, fn ) { - for ( var type in changeFilters ) { - jQuery.event.remove( this, type + ".specialChange" + (fn ? "."+fn.guid : ""), changeFilters[type] ); + return formElems.test( this.nodeName ); } + }; - return formElems.test( this.nodeName ); - } -}; - -var changeFilters = jQuery.event.special.change.filters; - + changeFilters = jQuery.event.special.change.filters; } function trigger( type, elem, args ) { @@ -821,7 +832,7 @@ jQuery.each(["bind", "one"], function( i, name ) { return this; } - if ( jQuery.isFunction( data ) ) { + if ( jQuery.isFunction( data ) || data === false ) { fn = data; data = undefined; } @@ -917,9 +928,16 @@ jQuery.fn.extend({ } }); +var liveMap = { + focus: "focusin", + blur: "focusout", + mouseenter: "mouseover", + mouseleave: "mouseout" +}; + jQuery.each(["live", "die"], function( i, name ) { jQuery.fn[ name ] = function( types, data, fn, origSelector /* Internal Use Only */ ) { - var type, i = 0, match, namespaces, + var type, i = 0, match, namespaces, preType, selector = origSelector || this.selector, context = origSelector ? this : jQuery( this.context ); @@ -939,40 +957,52 @@ jQuery.each(["live", "die"], function( i, name ) { type = type.replace( rnamespaces, "" ); } - type = type === "focus" ? "focusin" : // focus --> focusin - type === "blur" ? "focusout" : // blur --> focusout - type === "hover" ? types.push("mouseleave" + namespaces) && "mouseenter" : // hover support - type; + if ( type === "hover" ) { + types.push( "mouseenter" + namespaces, "mouseleave" + namespaces ); + continue; + } + + preType = type; - type += namespaces; + if ( type === "focus" || type === "blur" ) { + types.push( liveMap[ type ] + namespaces ); + type = type + namespaces; + + } else { + type = (liveMap[ type ] || type) + namespaces; + } if ( name === "live" ) { // bind live handler - context.each(function(){ - jQuery.event.add( this, liveConvert( type, selector ), - { data: data, selector: selector, handler: fn, origType: type, origHandler: fn } ); - }); + for ( var j = 0, l = context.length; j < l; j++ ) { + jQuery.event.add( context[j], "live." + liveConvert( type, selector ), + { data: data, selector: selector, handler: fn, origType: type, origHandler: fn, preType: preType } ); + } } else { // unbind live handler - context.unbind( liveConvert( type, selector ), fn ); + context.unbind( "live." + liveConvert( type, selector ), fn ); } } return this; - } + }; }); function liveHandler( event ) { - var stop, elems = [], selectors = [], args = arguments, - related, match, handleObj, elem, j, i, l, data, + var stop, maxLevel, elems = [], selectors = [], + related, match, handleObj, elem, j, i, l, data, close, namespace, events = jQuery.data( this, "events" ); // Make sure we avoid non-left-click bubbling in Firefox (#3861) - if ( event.liveFired === this || !events || event.button && event.type === "click" ) { + if ( event.liveFired === this || !events || !events.live || event.button && event.type === "click" ) { return; } + if ( event.namespace ) { + namespace = new RegExp("(^|\\.)" + event.namespace.split(".").join("\\.(?:.*\\.)?") + "(\\.|$)"); + } + event.liveFired = this; var live = events.live.slice(0); @@ -991,20 +1021,23 @@ function liveHandler( event ) { match = jQuery( event.target ).closest( selectors, event.currentTarget ); for ( i = 0, l = match.length; i < l; i++ ) { + close = match[i]; + for ( j = 0; j < live.length; j++ ) { handleObj = live[j]; - if ( match[i].selector === handleObj.selector ) { - elem = match[i].elem; + if ( close.selector === handleObj.selector && (!namespace || namespace.test( handleObj.namespace )) ) { + elem = close.elem; related = null; // Those two events require additional checking - if ( handleObj.origType === "mouseenter" || handleObj.origType === "mouseleave" ) { + if ( handleObj.preType === "mouseenter" || handleObj.preType === "mouseleave" ) { + event.type = handleObj.preType; related = jQuery( event.relatedTarget ).closest( handleObj.selector )[0]; } if ( !related || related !== elem ) { - elems.push({ elem: elem, handleObj: handleObj }); + elems.push({ elem: elem, handleObj: handleObj, level: close.level }); } } } @@ -1012,13 +1045,23 @@ function liveHandler( event ) { for ( i = 0, l = elems.length; i < l; i++ ) { match = elems[i]; + + if ( maxLevel && match.level > maxLevel ) { + break; + } + event.currentTarget = match.elem; event.data = match.handleObj.data; event.handleObj = match.handleObj; - if ( match.handleObj.origHandler.apply( match.elem, args ) === false ) { - stop = false; - break; + ret = match.handleObj.origHandler.apply( match.elem, arguments ); + + if ( ret === false || event.isPropagationStopped() ) { + maxLevel = match.level; + + if ( ret === false ) { + stop = false; + } } } @@ -1026,7 +1069,7 @@ function liveHandler( event ) { } function liveConvert( type, selector ) { - return "live." + (type && type !== "*" ? type + "." : "") + selector.replace(/\./g, "`").replace(/ /g, "&"); + return (type && type !== "*" ? type + "." : "") + selector.replace(/\./g, "`").replace(/ /g, "&"); } jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " + @@ -1034,8 +1077,15 @@ jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblcl "change select submit keydown keypress keyup error").split(" "), function( i, name ) { // Handle event binding - jQuery.fn[ name ] = function( fn ) { - return fn ? this.bind( name, fn ) : this.trigger( name ); + jQuery.fn[ name ] = function( data, fn ) { + if ( fn == null ) { + fn = data; + data = null; + } + + return arguments.length > 0 ? + this.bind( name, data, fn ) : + this.trigger( name ); }; if ( jQuery.attrFn ) {