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fixes #511 #512

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Aug 5, 2016
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fixes #511 #512

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6 changes: 5 additions & 1 deletion src/frontend/components/component-tree/component-tree.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -27,8 +27,12 @@ export class ComponentTree {
scrollToViewIfNeeded(node) {
const selectedNodeBound = node.getBoundingClientRect();
const treeViewBound = this.el.nativeElement.getBoundingClientRect();
const scrollBarHeight = this.el.nativeElement.offsetHeight -
this.el.nativeElement.clientHeight;
const topOffset = selectedNodeBound.top - treeViewBound.top;
const bottomOffset = selectedNodeBound.bottom - treeViewBound.bottom;
const bottomOffset = selectedNodeBound.bottom - treeViewBound.bottom +
scrollBarHeight;

if (topOffset < 0) { // node is too high
this.el.nativeElement.scrollTop += topOffset;
} else if (bottomOffset > 0) { // node is too low
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