From 0d7cb9352552c16f6a7621eb18933ff73e7357af Mon Sep 17 00:00:00 2001
From: srichman333 <sarah_n_richman@brown.edu>
Date: Thu, 28 Sep 2023 09:50:39 -0400
Subject: smoother scrolling

---
 .../views/nodes/DataVizBox/components/TableBox.tsx | 25 +++++++++++++---------
 1 file changed, 15 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/client/views/nodes/DataVizBox/components/TableBox.tsx b/src/client/views/nodes/DataVizBox/components/TableBox.tsx
index 243c1a0c7..07d151702 100644
--- a/src/client/views/nodes/DataVizBox/components/TableBox.tsx
+++ b/src/client/views/nodes/DataVizBox/components/TableBox.tsx
@@ -92,29 +92,34 @@ export class TableBox extends React.Component<TableBoxProps> {
             }
         }
         if (useCell && useContainer){
+
+            // check for 20 (inital value) as end point
+            if (this.endID == 20){
+                let newEnd = this.startID + useContainer.getBoundingClientRect().height / useCell.getBoundingClientRect().height + 1;
+                newEnd = Math.floor(Number(newEnd))
+                if (newEnd<this.endID){ this.endID -= .1; }
+                if (newEnd>this.endID && this.endID<=this._tableDataIds.length) { this.endID += .1; }
+            }
+
             // top
             if (useContainer.scrollTop <= 10 && this.startID >= -1){
-                this.startID -= 1;
-                this.endID -= 1;
+                this.startID -= .01;
+                this.endID -= .01;
             }
             
             // bottom
             else if (useContainer.scrollHeight - 50  <= useContainer.scrollTop + useContainer.getBoundingClientRect().height && this.endID<=this._tableDataIds.length){
-                this.startID += 1;
-                this.endID += 1;
+                this.startID += .1;
+                this.endID += .1;
             }
 
             // regular scroll
             else {
             let newStart = (useContainer.scrollTop / useCell.getBoundingClientRect().height ) - 1;
             newStart = Math.floor(Number(newStart))
-            if (newStart<this.startID && this.startID>=-1){ this.startID -= 1; }
-            if (newStart>this.startID) { this.startID += 1; }
+            if (newStart<this.startID && this.startID>=-1){ this.startID -= .1; this.endID -= -.1; }
+            if (newStart>this.startID) { this.startID += .1; this.endID += .1; }
             
-            let newEnd = this.startID + useContainer.getBoundingClientRect().height / useCell.getBoundingClientRect().height + 1;
-            newEnd = Math.floor(Number(newEnd))
-            if (newEnd<this.endID){ this.endID -= 1; }
-            if (newEnd>this.endID && this.endID<=this._tableDataIds.length) { this.endID += 1; }
             }
         }
         else {
-- 
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