From 5eb7ae73c418b5e6b8f7d90e65874a435ca10438 Mon Sep 17 00:00:00 2001 From: David Watson <14983002+watson8@users.noreply.github.com> Date: Tue, 29 Oct 2024 15:01:20 +0000 Subject: [PATCH] CTP-3973 remove jquery mousewheel --- coursework.js | 1 - datatables/js/jquery.mousewheel.js | 238 ----------------------------- 2 files changed, 239 deletions(-) delete mode 100644 datatables/js/jquery.mousewheel.js diff --git a/coursework.js b/coursework.js index 2cb1d14e..6df88c98 100644 --- a/coursework.js +++ b/coursework.js @@ -14,7 +14,6 @@ $( document ).ready(function() { 'datatables.buttons': base_url + 'datatables.buttons', 'datatables.select': base_url + 'datatables.select', 'datatables.responsive': base_url + 'datatables.responsive.min', - 'jquery-mousewheel': base_url + 'jquery.mousewheel', } }); diff --git a/datatables/js/jquery.mousewheel.js b/datatables/js/jquery.mousewheel.js deleted file mode 100644 index 85debe53..00000000 --- a/datatables/js/jquery.mousewheel.js +++ /dev/null @@ -1,238 +0,0 @@ -/*! - * jQuery Mousewheel 3.1.13 - * Copyright OpenJS Foundation and other contributors - */ - -( function( factory ) { - if ( typeof define === "function" && define.amd ) { - - // AMD. Register as an anonymous module. - define( [ "jquery" ], factory ); - } else if ( typeof exports === "object" ) { - - // Node/CommonJS style for Browserify - module.exports = factory; - } else { - - // Browser globals - factory( jQuery ); - } -} )( function( $ ) { - - var toFix = [ "wheel", "mousewheel", "DOMMouseScroll", "MozMousePixelScroll" ], - toBind = ( "onwheel" in window.document || window.document.documentMode >= 9 ) ? - [ "wheel" ] : [ "mousewheel", "DomMouseScroll", "MozMousePixelScroll" ], - slice = Array.prototype.slice, - nullLowestDeltaTimeout, lowestDelta; - - if ( $.event.fixHooks ) { - for ( var i = toFix.length; i; ) { - $.event.fixHooks[ toFix[ --i ] ] = $.event.mouseHooks; - } - } - - var special = $.event.special.mousewheel = { - version: "3.1.12", - - setup: function() { - if ( this.addEventListener ) { - for ( var i = toBind.length; i; ) { - this.addEventListener( toBind[ --i ], handler, false ); - } - } else { - this.onmousewheel = handler; - } - - // Store the line height and page height for this particular element - $.data( this, "mousewheel-line-height", special.getLineHeight( this ) ); - $.data( this, "mousewheel-page-height", special.getPageHeight( this ) ); - }, - - teardown: function() { - if ( this.removeEventListener ) { - for ( var i = toBind.length; i; ) { - this.removeEventListener( toBind[ --i ], handler, false ); - } - } else { - this.onmousewheel = null; - } - - // Clean up the data we added to the element - $.removeData( this, "mousewheel-line-height" ); - $.removeData( this, "mousewheel-page-height" ); - }, - - getLineHeight: function( elem ) { - var $elem = $( elem ), - $parent = $elem[ "offsetParent" in $.fn ? "offsetParent" : "parent" ](); - if ( !$parent.length ) { - $parent = $( "body" ); - } - return parseInt( $parent.css( "fontSize" ), 10 ) || - parseInt( $elem.css( "fontSize" ), 10 ) || 16; - }, - - getPageHeight: function( elem ) { - return $( elem ).height(); - }, - - settings: { - adjustOldDeltas: true, // see shouldAdjustOldDeltas() below - normalizeOffset: true // calls getBoundingClientRect for each event - } - }; - - $.fn.extend( { - mousewheel: function( fn ) { - return fn ? this.on( "mousewheel", fn ) : this.trigger( "mousewheel" ); - }, - - unmousewheel: function( fn ) { - return this.off( "mousewheel", fn ); - } - } ); - - - function handler( event ) { - var orgEvent = event || window.event, - args = slice.call( arguments, 1 ), - delta = 0, - deltaX = 0, - deltaY = 0, - absDelta = 0; - event = $.event.fix( orgEvent ); - event.type = "mousewheel"; - - // Old school scrollwheel delta - if ( "detail" in orgEvent ) { - deltaY = orgEvent.detail * -1; - } - if ( "wheelDelta" in orgEvent ) { - deltaY = orgEvent.wheelDelta; - } - if ( "wheelDeltaY" in orgEvent ) { - deltaY = orgEvent.wheelDeltaY; - } - if ( "wheelDeltaX" in orgEvent ) { - deltaX = orgEvent.wheelDeltaX * -1; - } - - // Firefox < 17 horizontal scrolling related to DOMMouseScroll event - if ( "axis" in orgEvent && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) { - deltaX = deltaY * -1; - deltaY = 0; - } - - // Set delta to be deltaY or deltaX if deltaY is 0 for backwards compatabilitiy - delta = deltaY === 0 ? deltaX : deltaY; - - // New school wheel delta (wheel event) - if ( "deltaY" in orgEvent ) { - deltaY = orgEvent.deltaY * -1; - delta = deltaY; - } - if ( "deltaX" in orgEvent ) { - deltaX = orgEvent.deltaX; - if ( deltaY === 0 ) { - delta = deltaX * -1; - } - } - - // No change actually happened, no reason to go any further - if ( deltaY === 0 && deltaX === 0 ) { - return; - } - - // Need to convert lines and pages to pixels if we aren't already in pixels - // There are three delta modes: - // * deltaMode 0 is by pixels, nothing to do - // * deltaMode 1 is by lines - // * deltaMode 2 is by pages - if ( orgEvent.deltaMode === 1 ) { - var lineHeight = $.data( this, "mousewheel-line-height" ); - delta *= lineHeight; - deltaY *= lineHeight; - deltaX *= lineHeight; - } else if ( orgEvent.deltaMode === 2 ) { - var pageHeight = $.data( this, "mousewheel-page-height" ); - delta *= pageHeight; - deltaY *= pageHeight; - deltaX *= pageHeight; - } - - // Store lowest absolute delta to normalize the delta values - absDelta = Math.max( Math.abs( deltaY ), Math.abs( deltaX ) ); - - if ( !lowestDelta || absDelta < lowestDelta ) { - lowestDelta = absDelta; - - // Adjust older deltas if necessary - if ( shouldAdjustOldDeltas( orgEvent, absDelta ) ) { - lowestDelta /= 40; - } - } - - // Adjust older deltas if necessary - if ( shouldAdjustOldDeltas( orgEvent, absDelta ) ) { - - // Divide all the things by 40! - delta /= 40; - deltaX /= 40; - deltaY /= 40; - } - - // Get a whole, normalized value for the deltas - delta = Math[ delta >= 1 ? "floor" : "ceil" ]( delta / lowestDelta ); - deltaX = Math[ deltaX >= 1 ? "floor" : "ceil" ]( deltaX / lowestDelta ); - deltaY = Math[ deltaY >= 1 ? "floor" : "ceil" ]( deltaY / lowestDelta ); - - // Normalise offsetX and offsetY properties - if ( special.settings.normalizeOffset && this.getBoundingClientRect ) { - var boundingRect = this.getBoundingClientRect(); - event.offsetX = event.clientX - boundingRect.left; - event.offsetY = event.clientY - boundingRect.top; - } - - // Add information to the event object - event.deltaX = deltaX; - event.deltaY = deltaY; - event.deltaFactor = lowestDelta; - - // Go ahead and set deltaMode to 0 since we converted to pixels - // Although this is a little odd since we overwrite the deltaX/Y - // properties with normalized deltas. - event.deltaMode = 0; - - // Add event and delta to the front of the arguments - args.unshift( event, delta, deltaX, deltaY ); - - // Clearout lowestDelta after sometime to better - // handle multiple device types that give different - // a different lowestDelta - // Ex: trackpad = 3 and mouse wheel = 120 - if ( nullLowestDeltaTimeout ) { - window.clearTimeout( nullLowestDeltaTimeout ); - } - nullLowestDeltaTimeout = window.setTimeout( nullLowestDelta, 200 ); - - return ( $.event.dispatch || $.event.handle ).apply( this, args ); - } - - function nullLowestDelta() { - lowestDelta = null; - } - - function shouldAdjustOldDeltas( orgEvent, absDelta ) { - - // If this is an older event and the delta is divisable by 120, - // then we are assuming that the browser is treating this as an - // older mouse wheel event and that we should divide the deltas - // by 40 to try and get a more usable deltaFactor. - // Side note, this actually impacts the reported scroll distance - // in older browsers and can cause scrolling to be slower than native. - // Turn this off by setting $.event.special.mousewheel.settings.adjustOldDeltas to false. - return special.settings.adjustOldDeltas && orgEvent.type === "mousewheel" && - absDelta % 120 === 0; - } - -} );