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feedTree: amend previous to check that nodes are actually there (2)

This commit is contained in:
Andrew Dolgov 2019-01-28 18:49:58 +03:00
parent 42e0c7a420
commit c7c9c5fb0a
1 changed files with 8 additions and 6 deletions
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14
js/FeedTree.js
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@ -273,13 +273,15 @@ define(["dojo/_base/declare", "dojo/dom-construct", "dijit/Tree", "dijit/Menu"],
setTimeout(() => { setTimeout(() => {
$("headlines-frame").focus(); $("headlines-frame").focus();
const node = treeNode.rowNode; if (treeNode) {
const tree = this.domNode; const node = treeNode.rowNode;
const tree = this.domNode;
if (node && tree) { if (node && tree) {
// scroll tree to selection if needed // scroll tree to selection if needed
if (node.offsetTop < tree.scrollTop || node.offsetTop > tree.scrollTop + tree.clientHeight) { if (node.offsetTop < tree.scrollTop || node.offsetTop > tree.scrollTop + tree.clientHeight) {
$("feedTree").scrollTop = node.offsetTop; $("feedTree").scrollTop = node.offsetTop;
}
} }
} }