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| author | George Halkiadakis <gchalkiadakis@sklavenitis.co.gr> | 2023-04-17 12:12:22 +0300 |
|---|---|---|
| committer | George Halkiadakis <gchalkiadakis@sklavenitis.co.gr> | 2023-04-17 12:12:22 +0300 |
| commit | 68fc9e55e538e03f94509731ab41a0c8cf96710f (patch) | |
| tree | 3edb1e81864ac3eb35ba0fe8087ed24da1b812bf /public/assets/js/plugins/scrollShadowVert.js | |
| parent | 84b2da85a1b452922dadb6a609533b9945afe51d (diff) | |
| download | classroom-68fc9e55e538e03f94509731ab41a0c8cf96710f.tar.gz classroom-68fc9e55e538e03f94509731ab41a0c8cf96710f.tar.bz2 classroom-68fc9e55e538e03f94509731ab41a0c8cf96710f.zip | |
setup a real server environment (apache DocumentRoot=/var/www/public)
Diffstat (limited to 'public/assets/js/plugins/scrollShadowVert.js')
| -rw-r--r-- | public/assets/js/plugins/scrollShadowVert.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/public/assets/js/plugins/scrollShadowVert.js b/public/assets/js/plugins/scrollShadowVert.js new file mode 100644 index 0000000..2824c22 --- /dev/null +++ b/public/assets/js/plugins/scrollShadowVert.js @@ -0,0 +1,57 @@ +$$plugins.define('scrollShadowVert', function (element, options) {
+ var scrollElm = element.querySelector('.scrollbar'),
+ listInner = element.querySelector('.scrollbar__inner');
+
+ //observer for adding/removing children elements
+ const observer = new MutationObserver(function (mutations) {
+ var childrenMutations = mutations.filter((x) => x.type === "childList");
+ if (childrenMutations.length > 0) {
+ checkScrollPos(scrollElm);
+ }
+ });
+
+ observer.observe(listInner, { subtree: true, childList: true });
+
+ //observer for initialized class
+ if (options.initialize == true) {
+ const targetNode = element;
+
+ const observer2 = new MutationObserver(function (mutations) {
+ var classMutations = mutations.filter((x) => x.type === "attributes");
+ if (classMutations.length > 0 && targetNode.classList.contains('initialized')) {
+ checkScrollPos(scrollElm);
+ observer2.disconnect();
+ }
+ });
+ observer2.observe(targetNode, { attributes: true, attributeFilter: ['class'] });
+ }
+
+ checkScrollPos(scrollElm);
+
+ scrollElm.addEventListener("scroll", function () {
+ checkScrollPos(this);
+ });
+
+ function checkScrollPos(scrollContainer) {
+ if (scrollContainer.scrollTop + element.offsetHeight > listInner.offsetHeight - 8) {
+ element.classList.add('scrollbarShadow--bottom');
+ } else {
+ element.classList.remove('scrollbarShadow--bottom');
+ }
+ if (scrollContainer.scrollTop < 8) {
+ element.classList.add('scrollbarShadow--top');
+ } else {
+ element.classList.remove('scrollbarShadow--top');
+ }
+ }
+
+ //checkScrollInit();
+
+ //function checkScrollInit() {
+ // if (element.offsetHeight >= listInner.offsetHeight) {
+ // element.classList.add('scrollbarShadow--noScroll');
+ // } else {
+ // element.classList.remove('scrollbarShadow--noScroll');
+ // }
+ //}
+});
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