cartodb/perfect-scrollbar
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Make sure scroll is at the start/end when the reach start/end event fires

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This commit is contained in:
DanielApt 2015-09-29 15:28:58 +01:00
parent e288476ba0
commit a0d39e1b49
1 changed files with 4 additions and 0 deletions
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4
src/js/plugin/update-scroll.js
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@ -43,11 +43,13 @@ module.exports = function (element, axis, value) {
}
if (axis === 'top' && value <= 0) {
element.scrollTop = 0;
element.dispatchEvent(yStartEvent);
return; // don't allow negative scroll
}
if (axis === 'left' && value <= 0) {
element.scrollLeft = 0;
element.dispatchEvent(xStartEvent);
return; // don't allow negative scroll
}
@ -55,11 +57,13 @@ module.exports = function (element, axis, value) {
var i = instances.get(element);
if (axis === 'top' && value > i.contentHeight - i.containerHeight) {
element.scrollTop = i.contentHeight - i.containerHeight;
element.dispatchEvent(yEndEvent);
return; // don't allow scroll past container
}
if (axis === 'left' && value > i.contentWidth - i.containerWidth) {
element.scrollLeft = i.contentWidth - i.containerWidth;
element.dispatchEvent(xEndEvent);
return; // don't allow scroll past container
}