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Code Issues Releases Wiki Activity

Refactor scroller so that the scrollIntoView() method is a bit more usable

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Passing an event instead of a DOM node was silly.
This commit is contained in:
Jeremy Ruston 2013-07-08 15:15:53 +01:00
parent 09dbf26ce1
commit 53ead15273
1 changed files with 11 additions and 12 deletions

23
core/modules/utils/dom/scroller.js

@ -45,7 +45,7 @@ Handle an event
*/
PageScroller.prototype.handleEvent = function(event) {
if(event.type === "tw-scroll") {
return this.scrollIntoView(event);
return this.scrollIntoView(event.target);
}
return true;
};
@ -53,20 +53,19 @@ PageScroller.prototype.handleEvent = function(event) {
/*
Handle a scroll event hitting the page document
*/
PageScroller.prototype.scrollIntoView = function(event) {
PageScroller.prototype.scrollIntoView = function(element) {
// Get the offset bounds of the element
var domNode = event.target,
bounds = {
left: domNode.offsetLeft,
top: domNode.offsetTop,
width: domNode.offsetWidth,
height: domNode.offsetHeight
var bounds = {
left: element.offsetLeft,
top: element.offsetTop,
width: element.offsetWidth,
height: element.offsetHeight
};
// Walk up the tree adjusting the offset bounds by each offsetParent
while(domNode.offsetParent) {
domNode = domNode.offsetParent;
bounds.left += domNode.offsetLeft;
bounds.top += domNode.offsetTop;
while(element.offsetParent) {
element = element.offsetParent;
bounds.left += element.offsetLeft;
bounds.top += element.offsetTop;
}
// Now get ready to scroll the body
this.cancelScroll();