Merge pull request #26 from ahmadsherif/master
Wrap core functionality in an each function.
This commit is contained in:
commit
b89660f959
2
min/perfect-scrollbar.min.js
vendored
2
min/perfect-scrollbar.min.js
vendored
File diff suppressed because one or more lines are too long
2
min/perfect-scrollbar.with-mousewheel.min.js
vendored
2
min/perfect-scrollbar.with-mousewheel.min.js
vendored
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@ -11,314 +11,316 @@
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$.fn.perfectScrollbar = function (suppliedSettings, option) {
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// Use the default settings
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var settings = $.extend(true, {}, defaultSettings);
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if (typeof suppliedSettings === "object") {
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// But over-ride any supplied
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$.extend(true, settings, suppliedSettings);
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} else {
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// If no settings were supplied, then the first param must be the option
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option = suppliedSettings;
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}
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if (option === 'update') {
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if ($(this).data('perfect-scrollbar-update')) {
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$(this).data('perfect-scrollbar-update')();
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}
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return $(this);
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}
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else if (option === 'destroy') {
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if ($(this).data('perfect-scrollbar-destroy')) {
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$(this).data('perfect-scrollbar-destroy')();
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}
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return $(this);
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}
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if ($(this).data('perfect-scrollbar')) {
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// if there's already perfect-scrollbar
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return $(this).data('perfect-scrollbar');
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}
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var $this = $(this).addClass('ps-container'),
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$content = $(this).children(),
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$scrollbarX = $("<div class='ps-scrollbar-x'></div>").appendTo($this),
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$scrollbarY = $("<div class='ps-scrollbar-y'></div>").appendTo($this),
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containerWidth,
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containerHeight,
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contentWidth,
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contentHeight,
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scrollbarXWidth,
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scrollbarXLeft,
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scrollbarXBottom = parseInt($scrollbarX.css('bottom'), 10),
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scrollbarYHeight,
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scrollbarYTop,
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scrollbarYRight = parseInt($scrollbarY.css('right'), 10);
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var updateContentScrollTop = function () {
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var scrollTop = parseInt(scrollbarYTop * contentHeight / containerHeight, 10);
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$this.scrollTop(scrollTop);
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$scrollbarX.css({bottom: scrollbarXBottom - scrollTop});
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};
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var updateContentScrollLeft = function () {
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var scrollLeft = parseInt(scrollbarXLeft * contentWidth / containerWidth, 10);
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$this.scrollLeft(scrollLeft);
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$scrollbarY.css({right: scrollbarYRight - scrollLeft});
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};
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var updateBarSizeAndPosition = function () {
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containerWidth = $this.width();
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containerHeight = $this.height();
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contentWidth = $content.outerWidth(false);
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contentHeight = $content.outerHeight(false);
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if (containerWidth < contentWidth) {
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scrollbarXWidth = parseInt(containerWidth * containerWidth / contentWidth, 10);
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scrollbarXLeft = parseInt($this.scrollLeft() * containerWidth / contentWidth, 10);
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}
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else {
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scrollbarXWidth = 0;
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scrollbarXLeft = 0;
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$this.scrollLeft(0);
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}
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if (containerHeight < contentHeight) {
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scrollbarYHeight = parseInt(containerHeight * containerHeight / contentHeight, 10);
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scrollbarYTop = parseInt($this.scrollTop() * containerHeight / contentHeight, 10);
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}
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else {
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scrollbarYHeight = 0;
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scrollbarYTop = 0;
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$this.scrollTop(0);
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return this.each(function() {
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// Use the default settings
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var settings = $.extend(true, {}, defaultSettings);
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if (typeof suppliedSettings === "object") {
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// But over-ride any supplied
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$.extend(true, settings, suppliedSettings);
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} else {
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// If no settings were supplied, then the first param must be the option
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option = suppliedSettings;
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}
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if (scrollbarYTop >= containerHeight - scrollbarYHeight) {
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scrollbarYTop = containerHeight - scrollbarYHeight;
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}
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if (scrollbarXLeft >= containerWidth - scrollbarXWidth) {
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scrollbarXLeft = containerWidth - scrollbarXWidth;
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}
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$scrollbarX.css({left: scrollbarXLeft + $this.scrollLeft(), bottom: scrollbarXBottom - $this.scrollTop(), width: scrollbarXWidth});
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$scrollbarY.css({top: scrollbarYTop + $this.scrollTop(), right: scrollbarYRight - $this.scrollLeft(), height: scrollbarYHeight});
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};
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var moveBarX = function (currentLeft, deltaX) {
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var newLeft = currentLeft + deltaX,
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maxLeft = containerWidth - scrollbarXWidth;
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if (newLeft < 0) {
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scrollbarXLeft = 0;
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}
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else if (newLeft > maxLeft) {
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scrollbarXLeft = maxLeft;
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}
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else {
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scrollbarXLeft = newLeft;
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}
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$scrollbarX.css({left: scrollbarXLeft + $this.scrollLeft()});
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};
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var moveBarY = function (currentTop, deltaY) {
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var newTop = currentTop + deltaY,
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maxTop = containerHeight - scrollbarYHeight;
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if (newTop < 0) {
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scrollbarYTop = 0;
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}
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else if (newTop > maxTop) {
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scrollbarYTop = maxTop;
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}
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else {
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scrollbarYTop = newTop;
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}
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$scrollbarY.css({top: scrollbarYTop + $this.scrollTop()});
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};
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var bindMouseScrollXHandler = function () {
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var currentLeft,
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currentPageX;
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$scrollbarX.bind('mousedown.perfect-scroll', function (e) {
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currentPageX = e.pageX;
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currentLeft = $scrollbarX.position().left;
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$scrollbarX.addClass('in-scrolling');
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e.stopPropagation();
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e.preventDefault();
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});
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$(document).bind('mousemove.perfect-scroll', function (e) {
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if ($scrollbarX.hasClass('in-scrolling')) {
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moveBarX(currentLeft, e.pageX - currentPageX);
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updateContentScrollLeft();
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e.stopPropagation();
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e.preventDefault();
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if (option === 'update') {
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if ($(this).data('perfect-scrollbar-update')) {
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$(this).data('perfect-scrollbar-update')();
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}
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});
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$(document).bind('mouseup.perfect-scroll', function (e) {
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if ($scrollbarX.hasClass('in-scrolling')) {
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$scrollbarX.removeClass('in-scrolling');
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return $(this);
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}
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else if (option === 'destroy') {
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if ($(this).data('perfect-scrollbar-destroy')) {
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$(this).data('perfect-scrollbar-destroy')();
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}
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});
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};
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return $(this);
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}
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var bindMouseScrollYHandler = function () {
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var currentTop,
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currentPageY;
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if ($(this).data('perfect-scrollbar')) {
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// if there's already perfect-scrollbar
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return $(this).data('perfect-scrollbar');
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}
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$scrollbarY.bind('mousedown.perfect-scroll', function (e) {
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currentPageY = e.pageY;
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currentTop = $scrollbarY.position().top;
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$scrollbarY.addClass('in-scrolling');
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e.stopPropagation();
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e.preventDefault();
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});
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var $this = $(this).addClass('ps-container'),
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$content = $(this).children(),
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$scrollbarX = $("<div class='ps-scrollbar-x'></div>").appendTo($this),
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$scrollbarY = $("<div class='ps-scrollbar-y'></div>").appendTo($this),
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containerWidth,
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containerHeight,
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contentWidth,
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contentHeight,
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scrollbarXWidth,
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scrollbarXLeft,
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scrollbarXBottom = parseInt($scrollbarX.css('bottom'), 10),
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scrollbarYHeight,
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scrollbarYTop,
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scrollbarYRight = parseInt($scrollbarY.css('right'), 10);
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$(document).bind('mousemove.perfect-scroll', function (e) {
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if ($scrollbarY.hasClass('in-scrolling')) {
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moveBarY(currentTop, e.pageY - currentPageY);
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updateContentScrollTop();
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e.stopPropagation();
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e.preventDefault();
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}
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});
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$(document).bind('mouseup.perfect-scroll', function (e) {
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if ($scrollbarY.hasClass('in-scrolling')) {
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$scrollbarY.removeClass('in-scrolling');
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}
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});
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};
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// bind handlers
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var bindMouseWheelHandler = function () {
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var shouldPreventDefault = function (deltaX, deltaY) {
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var scrollTop = $this.scrollTop();
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if (scrollTop === 0 && deltaY > 0 && deltaX === 0) {
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return !settings.wheelPropagation;
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}
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else if (scrollTop >= contentHeight - containerHeight && deltaY < 0 && deltaX === 0) {
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return !settings.wheelPropagation;
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}
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var scrollLeft = $this.scrollLeft();
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if (scrollLeft === 0 && deltaX < 0 && deltaY === 0) {
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return !settings.wheelPropagation;
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}
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else if (scrollLeft >= contentWidth - containerWidth && deltaX > 0 && deltaY === 0) {
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return !settings.wheelPropagation;
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}
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return true;
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var updateContentScrollTop = function () {
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var scrollTop = parseInt(scrollbarYTop * contentHeight / containerHeight, 10);
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$this.scrollTop(scrollTop);
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$scrollbarX.css({bottom: scrollbarXBottom - scrollTop});
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};
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$this.mousewheel(function (e, delta, deltaX, deltaY) {
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$this.scrollTop($this.scrollTop() - (deltaY * settings.wheelSpeed));
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$this.scrollLeft($this.scrollLeft() + (deltaX * settings.wheelSpeed));
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// update bar position
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updateBarSizeAndPosition();
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if (shouldPreventDefault(deltaX, deltaY)) {
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e.preventDefault();
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}
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});
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};
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// bind mobile touch handler
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var bindMobileTouchHandler = function () {
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var applyTouchMove = function (differenceX, differenceY) {
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$this.scrollTop($this.scrollTop() - differenceY);
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$this.scrollLeft($this.scrollLeft() - differenceX);
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// update bar position
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updateBarSizeAndPosition();
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var updateContentScrollLeft = function () {
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var scrollLeft = parseInt(scrollbarXLeft * contentWidth / containerWidth, 10);
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$this.scrollLeft(scrollLeft);
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$scrollbarY.css({right: scrollbarYRight - scrollLeft});
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};
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var startCoords = {},
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startTime = 0,
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speed = {},
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breakingProcess = null;
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$this.bind("touchstart.perfect-scroll", function (e) {
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var touch = e.originalEvent.targetTouches[0];
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startCoords.pageX = touch.pageX;
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startCoords.pageY = touch.pageY;
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startTime = (new Date()).getTime();
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if (breakingProcess !== null) {
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clearInterval(breakingProcess);
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var updateBarSizeAndPosition = function () {
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containerWidth = $this.width();
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containerHeight = $this.height();
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contentWidth = $content.outerWidth(false);
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contentHeight = $content.outerHeight(false);
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if (containerWidth < contentWidth) {
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scrollbarXWidth = parseInt(containerWidth * containerWidth / contentWidth, 10);
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scrollbarXLeft = parseInt($this.scrollLeft() * containerWidth / contentWidth, 10);
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}
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else {
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scrollbarXWidth = 0;
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scrollbarXLeft = 0;
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$this.scrollLeft(0);
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}
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if (containerHeight < contentHeight) {
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scrollbarYHeight = parseInt(containerHeight * containerHeight / contentHeight, 10);
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scrollbarYTop = parseInt($this.scrollTop() * containerHeight / contentHeight, 10);
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}
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else {
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scrollbarYHeight = 0;
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scrollbarYTop = 0;
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$this.scrollTop(0);
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}
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});
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$this.bind("touchmove.perfect-scroll", function (e) {
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var touch = e.originalEvent.targetTouches[0];
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var currentCoords = {};
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currentCoords.pageX = touch.pageX;
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currentCoords.pageY = touch.pageY;
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if (scrollbarYTop >= containerHeight - scrollbarYHeight) {
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scrollbarYTop = containerHeight - scrollbarYHeight;
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}
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if (scrollbarXLeft >= containerWidth - scrollbarXWidth) {
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scrollbarXLeft = containerWidth - scrollbarXWidth;
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}
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var differenceX = currentCoords.pageX - startCoords.pageX,
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differenceY = currentCoords.pageY - startCoords.pageY;
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$scrollbarX.css({left: scrollbarXLeft + $this.scrollLeft(), bottom: scrollbarXBottom - $this.scrollTop(), width: scrollbarXWidth});
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$scrollbarY.css({top: scrollbarYTop + $this.scrollTop(), right: scrollbarYRight - $this.scrollLeft(), height: scrollbarYHeight});
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};
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applyTouchMove(differenceX, differenceY);
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startCoords = currentCoords;
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var moveBarX = function (currentLeft, deltaX) {
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var newLeft = currentLeft + deltaX,
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maxLeft = containerWidth - scrollbarXWidth;
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var currentTime = (new Date()).getTime();
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speed.x = differenceX / (currentTime - startTime);
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speed.y = differenceY / (currentTime - startTime);
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startTime = currentTime;
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if (newLeft < 0) {
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scrollbarXLeft = 0;
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}
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else if (newLeft > maxLeft) {
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scrollbarXLeft = maxLeft;
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}
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else {
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scrollbarXLeft = newLeft;
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}
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$scrollbarX.css({left: scrollbarXLeft + $this.scrollLeft()});
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};
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e.preventDefault();
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});
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$this.bind("touchend.perfect-scroll", function (e) {
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breakingProcess = setInterval(function () {
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if (Math.abs(speed.x) < 0.01 && Math.abs(speed.y) < 0.01) {
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clearInterval(breakingProcess);
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return;
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var moveBarY = function (currentTop, deltaY) {
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var newTop = currentTop + deltaY,
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maxTop = containerHeight - scrollbarYHeight;
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if (newTop < 0) {
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scrollbarYTop = 0;
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}
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else if (newTop > maxTop) {
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scrollbarYTop = maxTop;
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}
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else {
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scrollbarYTop = newTop;
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}
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$scrollbarY.css({top: scrollbarYTop + $this.scrollTop()});
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};
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var bindMouseScrollXHandler = function () {
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var currentLeft,
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currentPageX;
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$scrollbarX.bind('mousedown.perfect-scroll', function (e) {
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currentPageX = e.pageX;
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currentLeft = $scrollbarX.position().left;
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$scrollbarX.addClass('in-scrolling');
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e.stopPropagation();
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e.preventDefault();
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});
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$(document).bind('mousemove.perfect-scroll', function (e) {
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if ($scrollbarX.hasClass('in-scrolling')) {
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moveBarX(currentLeft, e.pageX - currentPageX);
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updateContentScrollLeft();
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e.stopPropagation();
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e.preventDefault();
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}
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});
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$(document).bind('mouseup.perfect-scroll', function (e) {
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if ($scrollbarX.hasClass('in-scrolling')) {
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$scrollbarX.removeClass('in-scrolling');
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}
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});
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};
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var bindMouseScrollYHandler = function () {
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var currentTop,
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currentPageY;
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$scrollbarY.bind('mousedown.perfect-scroll', function (e) {
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currentPageY = e.pageY;
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currentTop = $scrollbarY.position().top;
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$scrollbarY.addClass('in-scrolling');
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e.stopPropagation();
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e.preventDefault();
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});
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$(document).bind('mousemove.perfect-scroll', function (e) {
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if ($scrollbarY.hasClass('in-scrolling')) {
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moveBarY(currentTop, e.pageY - currentPageY);
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updateContentScrollTop();
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e.stopPropagation();
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e.preventDefault();
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}
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});
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$(document).bind('mouseup.perfect-scroll', function (e) {
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if ($scrollbarY.hasClass('in-scrolling')) {
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$scrollbarY.removeClass('in-scrolling');
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}
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});
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};
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// bind handlers
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var bindMouseWheelHandler = function () {
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var shouldPreventDefault = function (deltaX, deltaY) {
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var scrollTop = $this.scrollTop();
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if (scrollTop === 0 && deltaY > 0 && deltaX === 0) {
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return !settings.wheelPropagation;
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}
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else if (scrollTop >= contentHeight - containerHeight && deltaY < 0 && deltaX === 0) {
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return !settings.wheelPropagation;
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}
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applyTouchMove(speed.x * 30, speed.y * 30);
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var scrollLeft = $this.scrollLeft();
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if (scrollLeft === 0 && deltaX < 0 && deltaY === 0) {
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return !settings.wheelPropagation;
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}
|
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else if (scrollLeft >= contentWidth - containerWidth && deltaX > 0 && deltaY === 0) {
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return !settings.wheelPropagation;
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}
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return true;
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};
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speed.x *= 0.8;
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speed.y *= 0.8;
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}, 10);
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});
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};
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$this.mousewheel(function (e, delta, deltaX, deltaY) {
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$this.scrollTop($this.scrollTop() - (deltaY * settings.wheelSpeed));
|
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$this.scrollLeft($this.scrollLeft() + (deltaX * settings.wheelSpeed));
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var destroy = function () {
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$scrollbarX.remove();
|
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$scrollbarY.remove();
|
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$this.unbind('mousewheel');
|
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$this.unbind('touchstart.perfect-scroll');
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||||
$this.unbind('touchmove.perfect-scroll');
|
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$this.unbind('touchend.perfect-scroll');
|
||||
$(window).unbind('mousemove.perfect-scroll');
|
||||
$(window).unbind('mouseup.perfect-scroll');
|
||||
$this.data('perfect-scrollbar', null);
|
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$this.data('perfect-scrollbar-update', null);
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$this.data('perfect-scrollbar-destroy', null);
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||||
};
|
||||
// update bar position
|
||||
updateBarSizeAndPosition();
|
||||
|
||||
var isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry/i.test(navigator.userAgent);
|
||||
if (shouldPreventDefault(deltaX, deltaY)) {
|
||||
e.preventDefault();
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
var initialize = function () {
|
||||
updateBarSizeAndPosition();
|
||||
bindMouseScrollXHandler();
|
||||
bindMouseScrollYHandler();
|
||||
if (isMobile) {
|
||||
bindMobileTouchHandler();
|
||||
}
|
||||
if ($this.mousewheel) {
|
||||
bindMouseWheelHandler();
|
||||
}
|
||||
$this.data('perfect-scrollbar', $this);
|
||||
$this.data('perfect-scrollbar-update', updateBarSizeAndPosition);
|
||||
$this.data('perfect-scrollbar-destroy', destroy);
|
||||
};
|
||||
// bind mobile touch handler
|
||||
var bindMobileTouchHandler = function () {
|
||||
var applyTouchMove = function (differenceX, differenceY) {
|
||||
$this.scrollTop($this.scrollTop() - differenceY);
|
||||
$this.scrollLeft($this.scrollLeft() - differenceX);
|
||||
|
||||
// initialize
|
||||
initialize();
|
||||
// update bar position
|
||||
updateBarSizeAndPosition();
|
||||
};
|
||||
|
||||
return $this;
|
||||
var startCoords = {},
|
||||
startTime = 0,
|
||||
speed = {},
|
||||
breakingProcess = null;
|
||||
|
||||
$this.bind("touchstart.perfect-scroll", function (e) {
|
||||
var touch = e.originalEvent.targetTouches[0];
|
||||
|
||||
startCoords.pageX = touch.pageX;
|
||||
startCoords.pageY = touch.pageY;
|
||||
|
||||
startTime = (new Date()).getTime();
|
||||
|
||||
if (breakingProcess !== null) {
|
||||
clearInterval(breakingProcess);
|
||||
}
|
||||
});
|
||||
$this.bind("touchmove.perfect-scroll", function (e) {
|
||||
var touch = e.originalEvent.targetTouches[0];
|
||||
|
||||
var currentCoords = {};
|
||||
currentCoords.pageX = touch.pageX;
|
||||
currentCoords.pageY = touch.pageY;
|
||||
|
||||
var differenceX = currentCoords.pageX - startCoords.pageX,
|
||||
differenceY = currentCoords.pageY - startCoords.pageY;
|
||||
|
||||
applyTouchMove(differenceX, differenceY);
|
||||
startCoords = currentCoords;
|
||||
|
||||
var currentTime = (new Date()).getTime();
|
||||
speed.x = differenceX / (currentTime - startTime);
|
||||
speed.y = differenceY / (currentTime - startTime);
|
||||
startTime = currentTime;
|
||||
|
||||
e.preventDefault();
|
||||
});
|
||||
$this.bind("touchend.perfect-scroll", function (e) {
|
||||
breakingProcess = setInterval(function () {
|
||||
if (Math.abs(speed.x) < 0.01 && Math.abs(speed.y) < 0.01) {
|
||||
clearInterval(breakingProcess);
|
||||
return;
|
||||
}
|
||||
|
||||
applyTouchMove(speed.x * 30, speed.y * 30);
|
||||
|
||||
speed.x *= 0.8;
|
||||
speed.y *= 0.8;
|
||||
}, 10);
|
||||
});
|
||||
};
|
||||
|
||||
var destroy = function () {
|
||||
$scrollbarX.remove();
|
||||
$scrollbarY.remove();
|
||||
$this.unbind('mousewheel');
|
||||
$this.unbind('touchstart.perfect-scroll');
|
||||
$this.unbind('touchmove.perfect-scroll');
|
||||
$this.unbind('touchend.perfect-scroll');
|
||||
$(window).unbind('mousemove.perfect-scroll');
|
||||
$(window).unbind('mouseup.perfect-scroll');
|
||||
$this.data('perfect-scrollbar', null);
|
||||
$this.data('perfect-scrollbar-update', null);
|
||||
$this.data('perfect-scrollbar-destroy', null);
|
||||
};
|
||||
|
||||
var isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry/i.test(navigator.userAgent);
|
||||
|
||||
var initialize = function () {
|
||||
updateBarSizeAndPosition();
|
||||
bindMouseScrollXHandler();
|
||||
bindMouseScrollYHandler();
|
||||
if (isMobile) {
|
||||
bindMobileTouchHandler();
|
||||
}
|
||||
if ($this.mousewheel) {
|
||||
bindMouseWheelHandler();
|
||||
}
|
||||
$this.data('perfect-scrollbar', $this);
|
||||
$this.data('perfect-scrollbar-update', updateBarSizeAndPosition);
|
||||
$this.data('perfect-scrollbar-destroy', destroy);
|
||||
};
|
||||
|
||||
// initialize
|
||||
initialize();
|
||||
|
||||
return $this;
|
||||
});
|
||||
};
|
||||
})(jQuery));
|
||||
|
Loading…
Reference in New Issue
Block a user