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extensions/default/src/Toolbar/LegacyLayoutSelector.tsx

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+import React, { useEffect, useState, useCallback } from 'react';
+import PropTypes from 'prop-types';
+import { LayoutSelector as OHIFLayoutSelector, ToolbarButton } from '@ohif/ui';
+
+function LegacyLayoutSelectorWithServices({
+  servicesManager,
+  rows = 3,
+  columns = 3,
+  onLayoutChange = () => {},
+  ...props
+}) {
+  const { toolbarService } = servicesManager.services;
+
+  const onSelection = useCallback(
+    props => {
+      toolbarService.recordInteraction({
+        interactionType: 'action',
+        commands: [
+          {
+            commandName: 'setViewportGridLayout',
+            commandOptions: { ...props },
+            context: 'DEFAULT',
+          },
+        ],
+      });
+    },
+    [toolbarService]
+  );
+
+  return (
+    <LayoutSelector
+      {...props}
+      onSelection={onSelection}
+    />
+  );
+}
+
+function LayoutSelector({ rows, columns, className, onSelection, ...rest }) {
+  const [isOpen, setIsOpen] = useState(false);
+
+  const closeOnOutsideClick = () => {
+    if (isOpen) {
+      setIsOpen(false);
+    }
+  };
+
+  useEffect(() => {
+    window.addEventListener('click', closeOnOutsideClick);
+    return () => {
+      window.removeEventListener('click', closeOnOutsideClick);
+    };
+  }, [isOpen]);
+
+  const onInteractionHandler = () => setIsOpen(!isOpen);
+  const DropdownContent = isOpen ? OHIFLayoutSelector : null;
+
+  return (
+    <ToolbarButton
+      id="Layout"
+      label="Grid Layout"
+      icon="tool-layout"
+      onInteraction={onInteractionHandler}
+      className={className}
+      rounded={rest.rounded}
+      dropdownContent={
+        DropdownContent !== null && (
+          <DropdownContent
+            rows={rows}
+            columns={columns}
+            onSelection={onSelection}
+          />
+        )
+      }
+      isActive={isOpen}
+      type="toggle"
+    />
+  );
+}
+
+LayoutSelector.propTypes = {
+  rows: PropTypes.number,
+  columns: PropTypes.number,
+  onLayoutChange: PropTypes.func,
+  servicesManager: PropTypes.object.isRequired,
+};
+
+export default LegacyLayoutSelectorWithServices;