refactor: Unify section/group into single Group with collapsible/bordered options

.changeset/unified-group-containers.md

@@ -0,0 +1,6 @@
+---
+"@hyperdx/app": patch
+"@hyperdx/common-utils": patch
+---
+
+refactor: Unify section/group into single Group with collapsible/bordered options

packages/app/src/components/DashboardDndComponents.tsx

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+import React from 'react';
+import { useSortable } from '@dnd-kit/sortable';
+import { CSS } from '@dnd-kit/utilities';
+import { Box, Button } from '@mantine/core';
+import { IconPlus } from '@tabler/icons-react';
+
+import { type DragData, type DragHandleProps } from './DashboardDndContext';
+
+// --- Empty container placeholder ---
+// Visual placeholder for empty groups/tabs with optional add-tile click.
+
+export function EmptyContainerPlaceholder({
+  containerId,
+  children,
+  isEmpty,
+  onAddTile,
+}: {
+  containerId: string;
+  children?: React.ReactNode;
+  isEmpty?: boolean;
+  onAddTile?: () => void;
+}) {
+  return (
+    <div
+      data-testid={`container-placeholder-${containerId}`}
+      style={{
+        minHeight: isEmpty ? 80 : undefined,
+        borderRadius: 4,
+        border: isEmpty
+          ? '2px dashed var(--mantine-color-default-border)'
+          : undefined,
+        position: 'relative',
+      }}
+    >
+      {isEmpty && (
+        <Box
+          style={{
+            position: 'absolute',
+            inset: 0,
+            display: 'flex',
+            alignItems: 'center',
+            justifyContent: 'center',
+            padding: '0 16px',
+          }}
+        >
+          <Button
+            variant="secondary"
+            fw={400}
+            w="100%"
+            leftSection={<IconPlus size={16} />}
+            onClick={onAddTile}
+          >
+            Add
+          </Button>
+        </Box>
+      )}
+      {children}
+    </div>
+  );
+}
+
+// --- Sortable container wrapper (for container reordering) ---
+
+export function SortableContainerWrapper({
+  containerId,
+  containerTitle,
+  children,
+}: {
+  containerId: string;
+  containerTitle: string;
+  children: (dragHandleProps: DragHandleProps) => React.ReactNode;
+}) {
+  const {
+    attributes,
+    listeners,
+    setNodeRef,
+    transform,
+    transition,
+    isDragging,
+  } = useSortable({
+    id: `container-sort-${containerId}`,
+    data: {
+      type: 'container',
+      containerId,
+      containerTitle,
+    } satisfies DragData,
+  });
+
+  const style: React.CSSProperties = {
+    transform: CSS.Transform.toString(transform),
+    transition,
+    opacity: isDragging ? 0.5 : 1,
+  };
+
+  return (
+    <div ref={setNodeRef} style={style}>
+      {children({ ...attributes, ...listeners })}
+    </div>
+  );
+}

packages/app/src/components/DashboardDndContext.tsx

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+import React, { useCallback, useMemo, useState } from 'react';
+import {
+  DndContext,
+  DragEndEvent,
+  DragOverlay,
+  DragStartEvent,
+  MouseSensor,
+  TouchSensor,
+  useSensor,
+  useSensors,
+} from '@dnd-kit/core';
+import {
+  SortableContext,
+  verticalListSortingStrategy,
+} from '@dnd-kit/sortable';
+import { DashboardContainer } from '@hyperdx/common-utils/dist/types';
+import { Box, Text } from '@mantine/core';
+
+// --- Types ---
+
+export type DragHandleProps = React.HTMLAttributes<HTMLElement>;
+
+export type DragData = {
+  type: 'container';
+  containerId: string;
+  containerTitle: string;
+};
+
+type Props = {
+  children: React.ReactNode;
+  containers: DashboardContainer[];
+  onReorderContainers: (fromIndex: number, toIndex: number) => void;
+};
+
+// --- Provider (container reorder only) ---
+
+export function DashboardDndProvider({
+  children,
+  containers,
+  onReorderContainers,
+}: Props) {
+  const [activeDrag, setActiveDrag] = useState<DragData | null>(null);
+
+  const mouseSensor = useSensor(MouseSensor, {
+    activationConstraint: { distance: 8 },
+  });
+  const touchSensor = useSensor(TouchSensor, {
+    activationConstraint: { delay: 200, tolerance: 5 },
+  });
+  const sensors = useSensors(mouseSensor, touchSensor);
+
+  const containerSortableIds = useMemo(
+    () => containers.map(c => `container-sort-${c.id}`),
+    [containers],
+  );
+
+  const handleDragStart = useCallback((event: DragStartEvent) => {
+    setActiveDrag((event.active.data.current as DragData) ?? null);
+  }, []);
+
+  const handleDragEnd = useCallback(
+    (event: DragEndEvent) => {
+      const { active, over } = event;
+      setActiveDrag(null);
+      if (!over) return;
+
+      const activeData = active.data.current as DragData | undefined;
+      if (!activeData) return;
+
+      // Container reorder via sortable
+      const overData = over.data.current as DragData | undefined;
+      if (
+        overData?.type === 'container' &&
+        activeData.containerId !== overData.containerId
+      ) {
+        const from = containers.findIndex(c => c.id === activeData.containerId);
+        const to = containers.findIndex(c => c.id === overData.containerId);
+        if (from !== -1 && to !== -1) onReorderContainers(from, to);
+      }
+    },
+    [containers, onReorderContainers],
+  );
+
+  return (
+    <DndContext
+      sensors={sensors}
+      onDragStart={handleDragStart}
+      onDragEnd={handleDragEnd}
+    >
+      <SortableContext
+        items={containerSortableIds}
+        strategy={verticalListSortingStrategy}
+      >
+        {children}
+      </SortableContext>
+      <DragOverlay dropAnimation={null}>
+        {activeDrag && (
+          <Box
+            px="sm"
+            py={4}
+            style={{
+              background: 'var(--mantine-color-body)',
+              border: '1px solid var(--mantine-color-default-border)',
+              borderRadius: 4,
+              opacity: 0.85,
+            }}
+          >
+            <Text size="sm" fw={500}>
+              {activeDrag.containerTitle}
+            </Text>
+          </Box>
+        )}
+      </DragOverlay>
+    </DndContext>
+  );
+}