1 files changed, 61 insertions, 0 deletions
diff --git a/src/client/views/collections/CollectionNoteTakingViewDivider.tsx b/src/client/views/collections/CollectionNoteTakingViewDivider.tsx
new file mode 100644
index 000000000..ed5dc3715
--- /dev/null
+++ b/src/client/views/collections/CollectionNoteTakingViewDivider.tsx
@@ -0,0 +1,61 @@
+import { action, observable } from "mobx";
+import * as React from "react";
+
+interface DividerProps {
+  index: number
+  xMargin: number
+  setColumnStartXCoords: (movementX: number, colIndex: number) => void
+}
+
+export default class Divider extends React.Component<DividerProps>{
+  @observable private isHoverActive = false;
+  @observable private isResizingActive = false;
+  
+  @action
+  private registerResizing = (e: React.PointerEvent<HTMLDivElement>) => {
+      e.stopPropagation();
+      e.preventDefault();
+      window.removeEventListener("pointermove", this.onPointerMove);
+      window.removeEventListener("pointerup", this.onPointerUp);
+      window.addEventListener("pointermove", this.onPointerMove);
+      window.addEventListener("pointerup", this.onPointerUp);
+      this.isResizingActive = true;
+  }
+
+  @action
+  private onPointerUp = () => {
+      this.isResizingActive = false;
+      this.isHoverActive = false;
+      window.removeEventListener("pointermove", this.onPointerMove);
+      window.removeEventListener("pointerup", this.onPointerUp);
+  }
+
+  @action
+  onPointerMove = ({ movementX }: PointerEvent) => {
+    this.props.setColumnStartXCoords(movementX, this.props.index)
+  }
+  
+  render() {
+    return (
+      <div className="columnResizer"
+        style={{
+          display: "flex", 
+          alignItems: "center", 
+          cursor: "col-resize"
+        }}
+        onPointerEnter={action(() => this.isHoverActive = true)}
+        onPointerLeave={action(() => !this.isResizingActive && (this.isHoverActive = false))}
+      >
+        <div className="columnResizer-handler" onPointerDown={e => this.registerResizing(e)}
+          style={{
+            height: "95%",
+            width: 12,
+            borderRight: "4px solid #282828",
+            borderLeft: "4px solid #282828",
+            margin: "0px 10px"
+          }}
+        />
+      </div>
+    )
+  }
+}
+\ No newline at end of file