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re-calc lastTop #311

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11 changes: 10 additions & 1 deletion packages/grid/src/GridMetricCalculator.js
Original file line number Diff line number Diff line change
Expand Up @@ -201,7 +201,8 @@ class GridMetricCalculator {
null,
width - gridX - scrollBarSize - rowFooterWidth
);
const lastTop = this.getLastTop(

let lastTop = this.getLastTop(
state,
null,
height - gridY - scrollBarSize - floatingBottomHeight
Expand All @@ -225,6 +226,8 @@ class GridMetricCalculator {
barWidth - 1
)
: 0;

// Vertical scrollbar handle height.
const handleHeight =
lastTop > 0
? Math.min(
Expand Down Expand Up @@ -271,6 +274,12 @@ class GridMetricCalculator {
]);
}

lastTop = this.getLastTop(
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Hmmm why does this need to be re-calculated?

state,
null,
height - gridY - scrollBarSize - floatingBottomHeight
);

let floatingColumns = [];
if (floatingLeftColumnCount > 0 || floatingRightColumnCount > 0) {
floatingColumns = [
Expand Down