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Allow setting of scroll area explicitly

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Defaults to scroll area being the parent element
of the sticky element, if not set.
This commit is contained in:
Tom Byers
2019-02-14 13:40:09 +00:00
parent 03c1f27947
commit d0aee7887b
2 changed files with 5 additions and 1 deletions
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5
app/assets/javascripts/stick-to-window-when-scrolling.js
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@@ -42,8 +42,11 @@
// Constructor for objects holding data for each element to have sticky behaviour
var StickyElement = function ($el, sticky) {
var $scrollArea = $el.closest('.sticky-scroll-area');
this._sticky = sticky;
this.$fixedEl = $el;
this.$scrollArea = $scrollArea.length ? $scrollArea : $el.parent();
this._initialFixedClass = 'content-fixed-onload';
this._fixedClass = 'content-fixed';
this._appliedClass = null;
@@ -390,7 +393,7 @@
};
Sticky.prototype.setElWidth = function (el) {
var $el = el.$fixedEl;
var width = $el.parent().width();
var width = el.$scrollArea.width();
el.horizontalSpace = width;
// if stuck, element won't inherit width from parent so set explicitly