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Diffstat (limited to 'packages/wekan-scrollbar/jquery.mousewheel.js')
| -rw-r--r-- | packages/wekan-scrollbar/jquery.mousewheel.js | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/packages/wekan-scrollbar/jquery.mousewheel.js b/packages/wekan-scrollbar/jquery.mousewheel.js deleted file mode 100644 index 3eadb7ed..00000000 --- a/packages/wekan-scrollbar/jquery.mousewheel.js +++ /dev/null @@ -1,221 +0,0 @@ -/*! - * jQuery Mousewheel 3.1.13 - * - * Copyright jQuery Foundation and other contributors - * Released under the MIT license - * http://jquery.org/license - */ - -(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 document || 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.bind('mousewheel', fn) : this.trigger('mousewheel'); - }, - - unmousewheel: function(fn) { - return this.unbind('mousewheel', fn); - } - }); - - - function handler(event) { - var orgEvent = event || window.event, - args = slice.call(arguments, 1), - delta = 0, - deltaX = 0, - deltaY = 0, - absDelta = 0, - offsetX = 0, - offsetY = 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 = $.data(this, 'mousewheel-page-height'); - delta *= pageHeight; - deltaY *= pageHeight; - deltaX *= pageHeight; - } - - // Store lowest absolute delta to normalize the delta values - absDelta = Math.max( Math.abs(deltaY), Math.abs(deltaX) ); - - if ( !lowestDelta || absDelta < lowestDelta ) { - lowestDelta = absDelta; - - // Adjust older deltas if necessary - if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) { - lowestDelta /= 40; - } - } - - // Adjust older deltas if necessary - if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) { - // Divide all the things by 40! - delta /= 40; - deltaX /= 40; - deltaY /= 40; - } - - // Get a whole, normalized value for the deltas - delta = Math[ delta >= 1 ? 'floor' : 'ceil' ](delta / lowestDelta); - deltaX = Math[ deltaX >= 1 ? 'floor' : 'ceil' ](deltaX / lowestDelta); - deltaY = Math[ deltaY >= 1 ? 'floor' : 'ceil' ](deltaY / lowestDelta); - - // Normalise offsetX and offsetY properties - if ( special.settings.normalizeOffset && this.getBoundingClientRect ) { - var boundingRect = this.getBoundingClientRect(); - offsetX = event.clientX - boundingRect.left; - offsetY = event.clientY - boundingRect.top; - } - - // Add information to the event object - event.deltaX = deltaX; - event.deltaY = deltaY; - event.deltaFactor = lowestDelta; - event.offsetX = offsetX; - event.offsetY = offsetY; - // Go ahead and set deltaMode to 0 since we converted to pixels - // Although this is a little odd since we overwrite the deltaX/Y - // properties with normalized deltas. - event.deltaMode = 0; - - // Add event and delta to the front of the arguments - args.unshift(event, delta, deltaX, deltaY); - - // Clearout lowestDelta after sometime to better - // handle multiple device types that give different - // a different lowestDelta - // Ex: trackpad = 3 and mouse wheel = 120 - if (nullLowestDeltaTimeout) { clearTimeout(nullLowestDeltaTimeout); } - nullLowestDeltaTimeout = setTimeout(nullLowestDelta, 200); - - return ($.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; - } - -})); |