cartodb4/perfect-scrollbar
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Don't prevent the default scrolling for the inactive axis.

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This commit is contained in:
Hyunje Alex Jun 2013-12-14 16:25:36 +09:00
parent 693bc9b784
commit 71838b9f72
1 changed files with 24 additions and 38 deletions
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40
src/perfect-scrollbar.js
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@ -245,27 +245,32 @@
currentPageY = null;
};
// bind handlers
var bindMouseWheelHandler = function () {
// check if the default scrolling should be prevented.
var shouldPreventDefault = function (deltaX, deltaY) {
var scrollTop = $this.scrollTop();
if (scrollTop === 0 && deltaY > 0 && deltaX === 0) {
if (deltaX === 0) {
if (!scrollbarYActive) {
return false;
}
if ((scrollTop === 0 && deltaY > 0) || (scrollTop >= contentHeight - containerHeight && deltaY < 0)) {
return !settings.wheelPropagation;
}
else if (scrollTop >= contentHeight - containerHeight && deltaY < 0 && deltaX === 0) {
return !settings.wheelPropagation;
}
var scrollLeft = $this.scrollLeft();
if (scrollLeft === 0 && deltaX < 0 && deltaY === 0) {
if (deltaY === 0) {
if (!scrollbarXActive) {
return false;
}
if ((scrollLeft === 0 && deltaX < 0) || (scrollLeft >= contentWidth - containerWidth && deltaX > 0)) {
return !settings.wheelPropagation;
}
else if (scrollLeft >= contentWidth - containerWidth && deltaX > 0 && deltaY === 0) {
return !settings.wheelPropagation;
}
return true;
};
// bind handlers
var bindMouseWheelHandler = function () {
var shouldPrevent = false;
$this.bind('mousewheel.perfect-scrollbar', function (e, delta, deltaX, deltaY) {
if (!settings.useBothWheelAxes) {
@ -309,25 +314,6 @@
};
var bindKeyboardHandler = function () {
var shouldPreventDefault = function (deltaX, deltaY) {
var scrollTop = $this.scrollTop();
if (scrollTop === 0 && deltaY > 0 && deltaX === 0) {
return false;
}
else if (scrollTop >= contentHeight - containerHeight && deltaY < 0 && deltaX === 0) {
return false;
}
var scrollLeft = $this.scrollLeft();
if (scrollLeft === 0 && deltaX < 0 && deltaY === 0) {
return false;
}
else if (scrollLeft >= contentWidth - containerWidth && deltaX > 0 && deltaY === 0) {
return false;
}
return true;
};
var hovered = false;
$this.bind('mouseenter.perfect-scrollbar', function (e) {
hovered = true;