src/components/Dashboard/Management/Files/FileInfo.jsx

@@ -206,20 +206,12 @@ const FileInfo = () => {
               collapseKey='preview'
             >
               {objectFormState?.objectData?._id ? (
-                <Spin
+                <Card styles={{ body: { minHeight: 'calc(100vh - 218px)' } }}>
-                  spinning={objectFormState.loading}
-                  indicator={<LoadingOutlined />}
-                >
-                  <Card
-                    style={{ height: 'calc(100vh - 218px)' }}
-                    styles={{ body: { height: '100%', minHeight: 0 } }}
-                  >
                   <FilePreview
                     file={objectFormState?.objectData}
                     style={{ width: '100%', height: '100%' }}
                   />
                 </Card>
-                </Spin>
               ) : (
                 <MissingPlaceholder message={'No file.'} />
               )}

src/components/Dashboard/common/FilePreview.jsx

@@ -1,5 +1,4 @@
 import PropTypes from 'prop-types'
-import { Card, Flex } from 'antd'
 import { ApiServerContext } from '../context/ApiServerContext'
 import {
   useCallback,
@@ -9,10 +8,10 @@ import {
   memo,
   useRef
 } from 'react'
+import LoadingPlaceholder from './LoadingPlaceholder'
 import GCodePreview from './GCodePreview'
 import ThreeDPreview from './ThreeDPreview'
 import PDFPreview from './PDFPreview'
-import ProgressDisplay from './ProgressDisplay'
 import { AuthContext } from '../context/AuthContext'
 
 const hasExplicitPreviewHeight = (height) =>
@@ -26,10 +25,6 @@ const FilePreview = ({ file, style = {} }) => {
   const [fileObjectUrl, setFileObjectUrl] = useState(null)
   const [loading, setLoading] = useState(true)
   const [error, setError] = useState(null)
-  const [downloadProgress, setDownloadProgress] = useState({
-    progress: 0,
-    message: 'Loading file preview...'
-  })
 
   const currentId = useRef(null)
 
@@ -44,75 +39,58 @@ const FilePreview = ({ file, style = {} }) => {
     if (error != null) {
       return
     }
-    const requestId = file._id
     setLoading(true)
-    setDownloadProgress({ progress: 0, message: 'Starting download...' })
+    const objectUrl = await fetchFileContent(file, false)
-    const objectUrl = await fetchFileContent(file, false, (progress) => {
-      if (currentId.current !== requestId) {
-        return
-      }
-      setDownloadProgress(progress)
-    })
-    if (currentId.current !== requestId) {
-      return
-    }
     if (objectUrl == null) {
       setLoading(false)
-      setDownloadProgress(null)
       console.error('Failed to fetch file content', file)
       setError('Failed to fetch file content')
       return
     }
     setFileObjectUrl(objectUrl)
-    setDownloadProgress(null)
     setLoading(false)
   }, [file, fetchFileContent, error])
 
   useEffect(() => {
-    if (file._id !== currentId.current) {
-      setFileObjectUrl(null)
-      setError(null)
-      setLoading(true)
-      setDownloadProgress({
-        progress: 0,
-        message: 'Loading file preview...'
-      })
-    }
     if (file?.type && token != null && file._id !== currentId.current) {
       currentId.current = file._id
       fetchPreview()
     }
   }, [file._id, file?.type, fetchPreview, token])
 
-  const showProgressOverlay = downloadProgress != null
-  const wrapperHeight = hasExplicitPreviewHeight(style.height)
-    ? style.height
-    : isPdf
-      ? '72vh'
-      : style.height
-
-  const renderPreview = () => {
   if (isPdf) {
+    if (error != null) {
+      return <div style={{ color: 'red' }}>{error}</div>
+    }
+
     return (
       <PDFPreview
         file={fileObjectUrl}
         loading={loading}
         style={{
           ...style,
-            height: '100%'
+          height: hasExplicitPreviewHeight(style.height)
+            ? style.height
+            : '72vh'
         }}
       />
     )
   }
 
   if (loading == true || !file?.type) {
-      return null
+    return <LoadingPlaceholder message={'Loading file preview...'} />
+  }
+
+  if (error != null) {
+    return <div style={{ color: 'red' }}>{error}</div>
   }
 
   if (isGcode && fileObjectUrl) {
     return (
       <GCodePreview
         src={fileObjectUrl}
+        topLayerColor={'#ff9800'}
+        lastSegmentColor={'#e91e63'}
         startLayer={0}
         endLayer={undefined}
         lineWidth={1}
@@ -134,59 +112,9 @@ const FilePreview = ({ file, style = {} }) => {
   if (isImage && fileObjectUrl) {
     return <img src={fileObjectUrl} style={style}></img>
   }
-
   return null
 }
 
-  if (error != null) {
-    return <div style={{ color: 'red' }}>{error}</div>
-  }
-
-  return (
-    <div
-      style={{
-        ...style,
-        position: 'relative',
-        height: wrapperHeight,
-        minHeight:
-          showProgressOverlay && !wrapperHeight ? 240 : style.minHeight
-      }}
-    >
-      <div
-        className={`previewProgressOverlay ${showProgressOverlay ? 'visible' : 'hidden'}`}
-      >
-        {showProgressOverlay ? (
-          <Flex
-            style={{ width: '100%', height: '100%' }}
-            align='center'
-            justify='center'
-          >
-            <Card
-              style={{
-                maxWidth: 360,
-                minWidth: 100,
-                width: '100%',
-                margin: 24
-              }}
-              styles={{ body: { padding: 18 } }}
-            >
-              <ProgressDisplay
-                percent={Math.round(
-                  (Number(downloadProgress.progress) || 0) * 100
-                )}
-                status='active'
-              >
-                {downloadProgress.message || 'Downloading...'}
-              </ProgressDisplay>
-            </Card>
-          </Flex>
-        ) : null}
-      </div>
-      {renderPreview()}
-    </div>
-  )
-}
-
 FilePreview.propTypes = {
   file: PropTypes.object.isRequired,
   style: PropTypes.object
@@ -196,8 +124,6 @@ FilePreview.propTypes = {
 const areEqual = (prevProps, nextProps) => {
   return (
     prevProps.file?._id === nextProps.file?._id &&
-    prevProps.file?.type === nextProps.file?.type &&
-    prevProps.file?.size === nextProps.file?.size &&
     JSON.stringify(prevProps.style) === JSON.stringify(nextProps.style)
   )
 }

src/components/Dashboard/common/GCodePreview.jsx

@@ -1,67 +1,7 @@
 import * as GCodePreview from 'gcode-preview'
 import PropTypes from 'prop-types'
-import { Button, Card, Flex, Slider } from 'antd'
+import { useCallback, useEffect, useRef } from 'react'
-import { useCallback, useEffect, useRef, useState } from 'react'
 import * as THREE from 'three'
-import PlusIcon from '../../Icons/PlusIcon.jsx'
-import MinusIcon from '../../Icons/MinusIcon.jsx'
-import PanIcon from '../../Icons/PanIcon.jsx'
-import PanFilledIcon from '../../Icons/PanFilledIcon.jsx'
-import KeyboardShortcut from './KeyboardShortcut.jsx'
-import usePinchZoom, {
-  clampPreviewScale,
-  MAX_PREVIEW_SCALE,
-  MIN_PREVIEW_SCALE
-} from '../hooks/usePinchZoom.js'
-import { useThemeContext } from '../context/ThemeContext'
-
-function toThreeColorHex(color, fallback) {
-  try {
-    return new THREE.Color(color || fallback).getHex()
-  } catch {
-    return new THREE.Color(fallback).getHex()
-  }
-}
-
-function getPreviewThemeColors({
-  isDarkMode,
-  token,
-  topLayerColor,
-  lastSegmentColor
-}) {
-  return {
-    backgroundColor: isDarkMode ? '#1f1f1f' : '#ffffff',
-    extrusionColor: token.colorPrimary,
-    travelColor: isDarkMode ? '#8c8c8c' : '#bfbfbf',
-    topLayerColor: topLayerColor || token.colorWarning,
-    lastSegmentColor: lastSegmentColor || token.colorPink
-  }
-}
-
-function getCameraDistance(preview) {
-  const distance = preview.camera.position.distanceTo(preview.controls.target)
-  return Number.isFinite(distance) && distance > 0 ? distance : null
-}
-
-function getCameraScale(preview, baseDistance) {
-  const distance = getCameraDistance(preview)
-  return distance == null ? null : clampPreviewScale(baseDistance / distance)
-}
-
-function applyCameraScale(preview, baseDistance, scale) {
-  const { camera, controls } = preview
-  const distance = getCameraDistance(preview)
-  if (distance == null) return
-
-  const nextDistance = baseDistance / scale
-  if (Math.abs(nextDistance - distance) <= distance * 1e-4) return
-
-  const offset = camera.position.clone().sub(controls.target)
-  camera.position
-    .copy(controls.target)
-    .addScaledVector(offset, nextDistance / distance)
-  controls.update()
-}
 
 function GCodePreviewUI(props) {
   const {
@@ -73,107 +13,40 @@ function GCodePreviewUI(props) {
     lineWidth,
     style = {}
   } = props
-  const { isDarkMode, themeConfig } = useThemeContext()
-  const { colorPrimary, colorWarning, colorPink } = themeConfig.token
   const canvasRef = useRef(null)
-  const previewPaneRef = useRef(null)
   const previewRef = useRef(null)
-  const baseDistanceRef = useRef(1)
-  const applyingScaleRef = useRef(false)
-  const [preview, setPreview] = useState(null)
-  const [previewScale, setPreviewScale] = useState(1)
-  const [panMode, setPanMode] = useState(false)
-  const [isDragging, setIsDragging] = useState(false)
 
   const resizePreview = useCallback(() => {
     previewRef.current?.resize()
   }, [])
 
+  // Ex-ref methods removed; this component is now a regular functional component
+
   useEffect(() => {
     if (!canvasRef.current) return
 
-    const themeColors = getPreviewThemeColors({
-      isDarkMode,
-      token: { colorPrimary, colorWarning, colorPink },
-      topLayerColor,
-      lastSegmentColor
-    })
-
     previewRef.current?.dispose?.()
-    const instance = GCodePreview.init({
+    previewRef.current = GCodePreview.init({
       canvas: canvasRef.current,
       startLayer,
       endLayer,
       lineWidth,
-      backgroundColor: toThreeColorHex(themeColors.backgroundColor, '#ffffff'),
+      topLayerColor: new THREE.Color(topLayerColor).getHex(),
-      extrusionColor: toThreeColorHex(themeColors.extrusionColor, '#0091FF'),
+      lastSegmentColor: new THREE.Color(lastSegmentColor).getHex(),
-      travelColor: toThreeColorHex(themeColors.travelColor, '#8c8c8c'),
-      topLayerColor: toThreeColorHex(themeColors.topLayerColor, '#FF9230'),
-      lastSegmentColor: toThreeColorHex(
-        themeColors.lastSegmentColor,
-        '#FF69B4'
-      ),
       buildVolume: { x: 250, y: 220, z: 150 },
       initialCameraPosition: [0, 400, 450],
       allowDragNDrop: false
     })
-    previewRef.current = instance
 
-    const { camera, controls } = instance
-    baseDistanceRef.current = getCameraDistance(instance) || 1
-    // The camera dollies instead of scaling pixels, so the frustum has to
-    // cover the full zoom range.
-    camera.far = Math.max(
-      camera.far,
-      (baseDistanceRef.current / MIN_PREVIEW_SCALE) * 2
-    )
-    camera.updateProjectionMatrix()
-    controls.minDistance = baseDistanceRef.current / MAX_PREVIEW_SCALE
-    controls.maxDistance = baseDistanceRef.current / MIN_PREVIEW_SCALE
-
-    const handleControlsChange = () => {
-      if (applyingScaleRef.current) return
-      const scale = getCameraScale(instance, baseDistanceRef.current)
-      if (scale == null) return
-      setPreviewScale((prev) => (Math.abs(prev - scale) < 0.001 ? prev : scale))
-    }
-    const handleControlsStart = () => setIsDragging(true)
-    const handleControlsEnd = () => setIsDragging(false)
-
-    controls.addEventListener('change', handleControlsChange)
-    controls.addEventListener('start', handleControlsStart)
-    controls.addEventListener('end', handleControlsEnd)
-
-    instance.resize()
-    setPreview(instance)
-
-    const pane = previewPaneRef.current
-    const resizeObserver =
-      pane && typeof ResizeObserver === 'function'
-        ? new ResizeObserver(resizePreview)
-        : null
-    resizeObserver?.observe(pane)
     window.addEventListener('resize', resizePreview)
 
     return () => {
-      resizeObserver?.disconnect()
       window.removeEventListener('resize', resizePreview)
-      controls.removeEventListener('change', handleControlsChange)
+      previewRef.current?.dispose?.()
-      controls.removeEventListener('start', handleControlsStart)
-      controls.removeEventListener('end', handleControlsEnd)
-      setPreview(null)
-      setIsDragging(false)
-      instance.dispose?.()
-      if (previewRef.current === instance) {
       previewRef.current = null
     }
-    }
   }, [
-    colorPink,
-    colorPrimary,
-    colorWarning,
     endLayer,
-    isDarkMode,
     lastSegmentColor,
     lineWidth,
     startLayer,
@@ -181,49 +54,17 @@ function GCodePreviewUI(props) {
     resizePreview
   ])
 
-  useEffect(() => {
-    if (!preview) return
-    applyingScaleRef.current = true
-    applyCameraScale(preview, baseDistanceRef.current, previewScale)
-    applyingScaleRef.current = false
-  }, [preview, previewScale])
-
-  useEffect(() => {
-    if (!preview) return
-    preview.controls.mouseButtons = {
-      LEFT: panMode ? THREE.MOUSE.PAN : THREE.MOUSE.ROTATE,
-      MIDDLE: THREE.MOUSE.DOLLY,
-      RIGHT: panMode ? THREE.MOUSE.ROTATE : THREE.MOUSE.PAN
-    }
-    preview.controls.touches = {
-      ONE: panMode ? THREE.TOUCH.PAN : THREE.TOUCH.ROTATE,
-      TWO: THREE.TOUCH.DOLLY_PAN
-    }
-  }, [preview, panMode])
-
-  usePinchZoom({
-    containerRef: previewPaneRef,
-    scale: previewScale,
-    onScaleChange: setPreviewScale,
-    enabled: preview != null
-  })
-
-  const resetView = useCallback(() => {
-    preview?.controls.reset()
-    setPreviewScale(1)
-  }, [preview])
-
   useEffect(() => {
     let cancelled = false
 
     const loadFromSrc = async () => {
-      const instance = previewRef.current
+      const preview = previewRef.current
-      if (!src || !instance) return
+      if (!src || !preview) return
       try {
         const response = await fetch(src)
         const text = await response.text()
-        if (cancelled || previewRef.current !== instance) return
+        if (cancelled || previewRef.current !== preview) return
-        instance.processGCode(text)
+        preview.processGCode(text)
       } catch (e) {
         if (cancelled) return
         console.error('Failed to load G-code from src', e)
@@ -234,124 +75,9 @@ function GCodePreviewUI(props) {
     return () => {
       cancelled = true
     }
-  }, [
+  }, [endLayer, lastSegmentColor, lineWidth, src, startLayer, topLayerColor])
-    colorPink,
-    colorPrimary,
-    colorWarning,
-    endLayer,
-    isDarkMode,
-    lastSegmentColor,
-    lineWidth,
-    src,
-    startLayer,
-    topLayerColor
-  ])
 
-  return (
+  return <canvas ref={canvasRef} style={style}></canvas>
-    <Flex
-      vertical
-      gap={'middle'}
-      style={{ width: '100%', height: '100%', minHeight: 0, ...style }}
-    >
-      <Flex gap={'small'}>
-        <KeyboardShortcut
-          shortcut={'alt+p'}
-          hint={'ALT P'}
-          onTrigger={() => {
-            setPanMode((prev) => !prev)
-          }}
-        >
-          <Button
-            icon={
-              panMode ? (
-                <PanFilledIcon style={{ color: 'var(--color-primary)' }} />
-              ) : (
-                <PanIcon />
-              )
-            }
-            onClick={() => {
-              setPanMode((prev) => !prev)
-            }}
-          />
-        </KeyboardShortcut>
-        <Button
-          icon={<PlusIcon />}
-          onClick={() => {
-            setPreviewScale((prev) => clampPreviewScale(prev + 0.05))
-          }}
-        />
-        <Button
-          readOnly={true}
-          style={{ minWidth: '70px' }}
-          onClick={resetView}
-        >
-          {previewScale.toFixed(2)}x
-        </Button>
-        <Button
-          icon={<MinusIcon />}
-          onClick={() => {
-            setPreviewScale((prev) => clampPreviewScale(prev - 0.05))
-          }}
-        />
-      </Flex>
-
-      <div
-        ref={previewPaneRef}
-        style={{ flex: '1 1 auto', minHeight: 0, position: 'relative' }}
-      >
-        <Card
-          style={{
-            width: '100%',
-            height: '100%',
-            borderRadius: 0
-          }}
-          styles={{
-            body: {
-              padding: 0,
-              height: '100%',
-              minHeight: 0
-            }
-          }}
-        >
-          <canvas
-            ref={canvasRef}
-            style={{
-              display: 'block',
-              width: '100%',
-              height: '100%',
-              backgroundColor: 'var(--layout-modal-bg)',
-              cursor: panMode ? (isDragging ? 'grabbing' : 'grab') : undefined
-            }}
-          ></canvas>
-        </Card>
-        <div className='previewZoomOverlay'>
-          <Card
-            style={{ borderRadius: 18 }}
-            styles={{ body: { padding: '10px 17px', width: 200 } }}
-            className='previewZoomCard'
-          >
-            <Slider
-              min={MIN_PREVIEW_SCALE}
-              max={MAX_PREVIEW_SCALE}
-              step={0.05}
-              tooltip={{ open: false }}
-              value={previewScale}
-              style={{ margin: 0 }}
-              onChange={(value) => setPreviewScale(value)}
-              classNames={{
-                handle: 'previewZoomSliderHandle'
-              }}
-              styles={{
-                track: {
-                  background: 'var(--color-primary)'
-                }
-              }}
-            />
-          </Card>
-        </div>
-      </div>
-    </Flex>
-  )
 }
 
 GCodePreviewUI.propTypes = {

src/components/Dashboard/common/ThreeDPreview.jsx

@@ -1,190 +1,7 @@
 import PropTypes from 'prop-types'
-import { Button, Card, Flex, Slider } from 'antd'
 import { useCallback, useEffect, useRef, useState } from 'react'
 import * as OV from 'online-3d-viewer'
 import LoadingPlaceholder from './LoadingPlaceholder'
-import KeyboardShortcut from './KeyboardShortcut'
-import PlusIcon from '../../Icons/PlusIcon.jsx'
-import MinusIcon from '../../Icons/MinusIcon.jsx'
-import PanIcon from '../../Icons/PanIcon.jsx'
-import PanFilledIcon from '../../Icons/PanFilledIcon.jsx'
-import usePinchZoom, {
-  clampPreviewScale,
-  nextScaleFromWheel,
-  MAX_PREVIEW_SCALE,
-  MIN_PREVIEW_SCALE
-} from '../hooks/usePinchZoom.js'
-import { useThemeContext } from '../context/ThemeContext'
-
-const DEG_TO_RAD = Math.PI / 180
-
-function parseHexColor(color) {
-  if (!color) return null
-  const match = String(color)
-    .trim()
-    .match(/^#([0-9a-f]{3,8})$/i)
-  if (!match) return null
-
-  let hex = match[1]
-  if (hex.length === 3 || hex.length === 4) {
-    hex = hex
-      .split('')
-      .map((char) => char + char)
-      .join('')
-  }
-  if (hex.length !== 6 && hex.length !== 8) return null
-
-  return {
-    r: parseInt(hex.slice(0, 2), 16),
-    g: parseInt(hex.slice(2, 4), 16),
-    b: parseInt(hex.slice(4, 6), 16),
-    a: hex.length === 8 ? parseInt(hex.slice(6, 8), 16) : 255
-  }
-}
-
-function parseCssColor(color, fallbackHex) {
-  const fallback = parseHexColor(fallbackHex) || {
-    r: 255,
-    g: 255,
-    b: 255,
-    a: 255
-  }
-  if (!color) return fallback
-
-  const hex = parseHexColor(color)
-  if (hex) return hex
-
-  const rgbMatch = String(color)
-    .trim()
-    .match(
-      /^rgba?\(\s*([\d.]+)\s*,\s*([\d.]+)\s*,\s*([\d.]+)(?:\s*,\s*([\d.]+))?\s*\)$/i
-    )
-  if (!rgbMatch) return fallback
-
-  return {
-    r: Number(rgbMatch[1]),
-    g: Number(rgbMatch[2]),
-    b: Number(rgbMatch[3]),
-    a:
-      rgbMatch[4] === undefined
-        ? 255
-        : Math.round(Math.min(1, Number(rgbMatch[4])) * 255)
-  }
-}
-
-function getCssVarColor(name, fallbackHex) {
-  if (typeof document === 'undefined') {
-    return parseCssColor(fallbackHex, fallbackHex)
-  }
-  const value = getComputedStyle(document.documentElement)
-    .getPropertyValue(name)
-    .trim()
-  return parseCssColor(value, fallbackHex)
-}
-
-function getViewerThemeColors(backgroundColorOverride) {
-  return {
-    background: backgroundColorOverride
-      ? parseCssColor(backgroundColorOverride, '#ffffff')
-      : getCssVarColor('--layout-modal-bg', '#ffffff'),
-    defaultColor: getCssVarColor('--color-primary', '#0091FF'),
-    edgeColor: getCssVarColor('--color-text', '#000000')
-  }
-}
-
-function toRgbaColor(color) {
-  return new OV.RGBAColor(color.r, color.g, color.b, color.a ?? 255)
-}
-
-function toRgbColor(color) {
-  return new OV.RGBColor(color.r, color.g, color.b)
-}
-
-function applyViewerTheme(embeddedViewer, colors) {
-  if (!embeddedViewer?.GetViewer) return
-  const viewer3d = embeddedViewer.GetViewer()
-  viewer3d.SetBackgroundColor(toRgbaColor(colors.background))
-  viewer3d.SetEdgeSettings(
-    new OV.EdgeSettings(false, toRgbColor(colors.edgeColor), 1)
-  )
-}
-
-function fitModelToViewport(embeddedViewer) {
-  const viewer3d = embeddedViewer?.GetViewer?.()
-  if (!viewer3d) return
-  embeddedViewer.Resize?.()
-  const boundingSphere = viewer3d.GetBoundingSphere?.(() => true)
-  if (!boundingSphere) return
-  viewer3d.AdjustClippingPlanesToSphere?.(boundingSphere)
-  viewer3d.FitSphereToWindow?.(boundingSphere, false)
-}
-
-function getViewer3d(embeddedViewer) {
-  return embeddedViewer?.GetViewer?.() || null
-}
-
-function getCameraDistance(camera) {
-  return OV.CoordDistance3D(camera.eye, camera.center)
-}
-
-// The viewer derives its clipping planes from the model size alone, which leaves
-// the model behind the far plane once the eye is far enough away, so widen them
-// based on the eye distance as well.
-function adjustClippingToDistance(viewer3d, distance) {
-  const boundingSphere = viewer3d.GetBoundingSphere?.(() => true)
-  if (!boundingSphere) return
-  const radius = Math.max(
-    boundingSphere.radius,
-    (distance + boundingSphere.radius) / 10
-  )
-  viewer3d.AdjustClippingPlanesToSphere?.({
-    center: boundingSphere.center,
-    radius
-  })
-}
-
-// Zooming moves the eye along the view axis, keeping the look-at point fixed.
-function setCameraDistance(viewer3d, distance) {
-  const camera = viewer3d.GetCamera().Clone()
-  const eyeDirection = OV.SubCoord3D(camera.eye, camera.center).Normalize()
-  camera.eye = camera.center.Clone().Offset(eyeDirection, distance)
-  adjustClippingToDistance(viewer3d, distance)
-  viewer3d.SetCamera(camera)
-}
-
-function getWorldUnitsPerPixel(viewer3d, camera) {
-  const canvas = viewer3d.GetCanvas?.()
-  const canvasHeight = canvas?.clientHeight || canvas?.height || 1
-  const viewportHeight =
-    2 * getCameraDistance(camera) * Math.tan((camera.fov / 2) * DEG_TO_RAD)
-  return viewportHeight / canvasHeight
-}
-
-// Panning moves the eye and the look-at point together, so the model tracks the
-// pointer one to one at the current zoom level.
-function panCameraByPixels(viewer3d, pixelsX, pixelsY) {
-  const camera = viewer3d.GetCamera().Clone()
-  const viewDirection = OV.SubCoord3D(camera.center, camera.eye).Normalize()
-  const horizontalDirection = OV.CrossVector3D(
-    viewDirection,
-    camera.up
-  ).Normalize()
-  const verticalDirection = OV.CrossVector3D(
-    horizontalDirection,
-    viewDirection
-  ).Normalize()
-
-  const unitsPerPixel = getWorldUnitsPerPixel(viewer3d, camera)
-  const moveX = pixelsX * unitsPerPixel
-  const moveY = pixelsY * unitsPerPixel
-
-  camera.eye.Offset(horizontalDirection, -moveX)
-  camera.center.Offset(horizontalDirection, -moveX)
-  camera.eye.Offset(verticalDirection, moveY)
-  camera.center.Offset(verticalDirection, moveY)
-
-  viewer3d.SetCamera(camera)
-}
 
 function ThreeDPreview(props) {
   const {
@@ -193,59 +10,25 @@ function ThreeDPreview(props) {
     width = 500,
     height = 500,
     style = {},
-    backgroundColor,
+    backgroundColor = '#ffffff'
-    enableControls = true
   } = props
-  const { isDarkMode } = useThemeContext()
   const containerRef = useRef(null)
   const viewer = useRef(null)
   const [isLoading, setIsLoading] = useState(false)
   const [error, setError] = useState(null)
-  const [zoomScale, setZoomScale] = useState(1)
-  const [panMode, setPanMode] = useState(false)
-  const [isPanning, setIsPanning] = useState(false)
-  // Eye to center distance of the fitted view, which is what 1.00x means here.
-  const fitDistanceRef = useRef(null)
-  const zoomScaleRef = useRef(zoomScale)
-  zoomScaleRef.current = zoomScale
-  const panStartRef = useRef({ x: 0, y: 0 })
 
   const resizeViewer = useCallback(() => {
-    viewer.current?.Resize?.()
+    if (viewer.current && containerRef.current) {
-  }, [])
+      // Resize the viewer container
-
+      const container = containerRef.current
-  const applyZoomScale = useCallback((nextScale) => {
+      if (container.style.width !== width + 'px') {
-    const viewer3d = getViewer3d(viewer.current)
+        container.style.width = width + 'px'
-    const fitDistance = fitDistanceRef.current
+      }
-    if (!viewer3d || !fitDistance) return
+      if (container.style.height !== height + 'px') {
-    const scale = clampPreviewScale(nextScale)
+        container.style.height = height + 'px'
-    setCameraDistance(viewer3d, fitDistance / scale)
+      }
-    setZoomScale(scale)
+    }
-  }, [])
+  }, [viewer, width, height])
-
-  const captureFittedZoom = useCallback(() => {
-    const viewer3d = getViewer3d(viewer.current)
-    if (!viewer3d) return
-    fitDistanceRef.current = getCameraDistance(viewer3d.GetCamera())
-    setZoomScale(1)
-  }, [])
-
-  // The viewer handles orbit and ctrl/two finger zoom itself, so read the camera
-  // back once a gesture ends to keep the readout and the zoom limits in step.
-  const syncZoomScaleFromCamera = useCallback(() => {
-    const viewer3d = getViewer3d(viewer.current)
-    const fitDistance = fitDistanceRef.current
-    if (!viewer3d || !fitDistance) return
-    const distance = getCameraDistance(viewer3d.GetCamera())
-    if (distance <= 0) return
-    applyZoomScale(fitDistance / distance)
-  }, [applyZoomScale])
-
-  const resetView = useCallback(() => {
-    if (!viewer.current) return
-    fitModelToViewport(viewer.current)
-    captureFittedZoom()
-  }, [captureFittedZoom])
 
   useEffect(() => {
     // Variable to track the viewer instance created in this effect
@@ -257,8 +40,6 @@ function ThreeDPreview(props) {
       try {
         setIsLoading(true)
         setError(null)
-        fitDistanceRef.current = null
-        setZoomScale(1)
 
         // Clear any existing viewer
         if (viewer.current) {
@@ -279,8 +60,6 @@ function ThreeDPreview(props) {
           return
         }
 
-        const themeColors = getViewerThemeColors(backgroundColor)
-
         // Initialize the online-3d-viewer using OV.EmbeddedViewer
         const newViewer = new OV.EmbeddedViewer(containerRef.current, {
           camera: new OV.Camera(
@@ -289,34 +68,15 @@ function ThreeDPreview(props) {
             new OV.Coord3D(0.0, 1.0, 0.0),
             45.0
           ),
-          backgroundColor: toRgbaColor(themeColors.background),
+          backgroundColor: new OV.RGBAColor(255, 255, 255, 255),
-          defaultColor: toRgbColor(themeColors.defaultColor),
+          defaultColor: new OV.RGBColor(200, 200, 200),
-          edgeSettings: new OV.EdgeSettings(
+          edgeSettings: new OV.EdgeSettings(false, new OV.RGBColor(0, 0, 0), 1),
-            false,
+          environmentSettings: new OV.EnvironmentSettings([], false)
-            toRgbColor(themeColors.edgeColor),
-            1
-          ),
-          environmentSettings: new OV.EnvironmentSettings([], false),
-          onModelLoaded: () => {
-            if (currentViewer !== newViewer) return
-            fitModelToViewport(newViewer)
-            requestAnimationFrame(() => {
-              if (currentViewer !== newViewer) return
-              fitModelToViewport(newViewer)
-              requestAnimationFrame(() => {
-                if (currentViewer !== newViewer) return
-                fitModelToViewport(newViewer)
-                captureFittedZoom()
-              })
-            })
-            setIsLoading(false)
-          }
         })
 
         // Store the viewer instance in the ref and local variable
         viewer.current = newViewer
         currentViewer = newViewer
-        newViewer.Resize?.()
 
         try {
           setIsLoading(true)
@@ -332,7 +92,8 @@ function ThreeDPreview(props) {
           })
 
           // Load model from file using LoadModelFromFileList
-          newViewer.LoadModelFromFileList([file])
+          await newViewer.LoadModelFromFileList([file])
+          setIsLoading(false)
         } catch (err) {
           console.error('Failed to load 3D model from src', err)
           setError('Failed to load 3D model')
@@ -347,321 +108,35 @@ function ThreeDPreview(props) {
 
     initializeViewer()
 
-    const container = containerRef.current
-    const resizeObserver =
-      container && typeof ResizeObserver !== 'undefined'
-        ? new ResizeObserver(() => {
-            resizeViewer()
-          })
-        : null
-    resizeObserver?.observe(container)
     window.addEventListener('resize', resizeViewer)
 
     return () => {
-      resizeObserver?.disconnect()
       window.removeEventListener('resize', resizeViewer)
       if (currentViewer && currentViewer.dispose) {
         currentViewer.dispose()
       }
     }
-  }, [src, extension, resizeViewer, backgroundColor, captureFittedZoom])
+  }, [width, height, src, extension, resizeViewer])
-
-  useEffect(() => {
-    let cancelled = false
-
-    const applyTheme = () => {
-      if (cancelled || !viewer.current) return
-      applyViewerTheme(viewer.current, getViewerThemeColors(backgroundColor))
-    }
-
-    applyTheme()
-    // ThemeContext writes CSS vars in a parent effect; re-read after it runs.
-    queueMicrotask(applyTheme)
-
-    return () => {
-      cancelled = true
-    }
-  }, [isDarkMode, backgroundColor])
-
-  // Trackpad pinch and ctrl+wheel, shared with the PDF and template previews.
-  usePinchZoom({
-    containerRef,
-    scale: zoomScale,
-    onScaleChange: applyZoomScale,
-    enabled: enableControls
-  })
-
-  // Plain wheel zooms too, but through our clamped scale instead of the
-  // viewer's own unbounded wheel handler.
-  useEffect(() => {
-    const container = containerRef.current
-    if (!enableControls || !container) {
-      return undefined
-    }
-
-    const options = { capture: true, passive: false }
-    const handleWheel = (event) => {
-      if (event.ctrlKey || event.metaKey) {
-        return
-      }
-      if (event.target?.closest?.('.previewZoomOverlay')) {
-        return
-      }
-      event.preventDefault()
-      event.stopPropagation()
-      applyZoomScale(nextScaleFromWheel(zoomScaleRef.current, event))
-    }
-
-    container.addEventListener('wheel', handleWheel, options)
-    return () => {
-      container.removeEventListener('wheel', handleWheel, options)
-    }
-  }, [applyZoomScale, enableControls])
-
-  useEffect(() => {
-    const container = containerRef.current
-    if (!enableControls || !container) {
-      return undefined
-    }
-
-    container.addEventListener('pointerup', syncZoomScaleFromCamera)
-    container.addEventListener('pointercancel', syncZoomScaleFromCamera)
-    return () => {
-      container.removeEventListener('pointerup', syncZoomScaleFromCamera)
-      container.removeEventListener('pointercancel', syncZoomScaleFromCamera)
-    }
-  }, [enableControls, syncZoomScaleFromCamera])
-
-  useEffect(() => {
-    if (!panMode) {
-      setIsPanning(false)
-    }
-  }, [panMode])
-
-  // In pan mode a left drag pans instead of orbiting, so the viewer's own
-  // navigation must not see those events.
-  useEffect(() => {
-    const container = containerRef.current
-    if (!panMode || !container) {
-      return undefined
-    }
-
-    const options = { capture: true, passive: false }
-    const blockViewerNavigation = (event) => {
-      if (event.type === 'mousedown' && event.button !== 0) {
-        return
-      }
-      event.preventDefault()
-      event.stopPropagation()
-    }
-
-    const handlePointerDown = (event) => {
-      if (event.pointerType === 'mouse' && event.button !== 0) {
-        return
-      }
-      panStartRef.current = { x: event.clientX, y: event.clientY }
-      setIsPanning(true)
-    }
-
-    container.addEventListener('mousedown', blockViewerNavigation, options)
-    container.addEventListener('touchstart', blockViewerNavigation, options)
-    container.addEventListener('touchmove', blockViewerNavigation, options)
-    container.addEventListener('pointerdown', handlePointerDown)
-    return () => {
-      container.removeEventListener('mousedown', blockViewerNavigation, options)
-      container.removeEventListener(
-        'touchstart',
-        blockViewerNavigation,
-        options
-      )
-      container.removeEventListener('touchmove', blockViewerNavigation, options)
-      container.removeEventListener('pointerdown', handlePointerDown)
-    }
-  }, [panMode])
-
-  useEffect(() => {
-    if (!isPanning) {
-      return undefined
-    }
-
-    const previousCursor = document.body.style.cursor
-    const previousUserSelect = document.body.style.userSelect
-    document.body.style.cursor = 'grabbing'
-    document.body.style.userSelect = 'none'
-
-    const handlePointerMove = (event) => {
-      const viewer3d = getViewer3d(viewer.current)
-      if (!viewer3d) {
-        return
-      }
-      const { x, y } = panStartRef.current
-      panStartRef.current = { x: event.clientX, y: event.clientY }
-      panCameraByPixels(viewer3d, event.clientX - x, event.clientY - y)
-    }
-
-    const handlePointerUp = () => {
-      setIsPanning(false)
-    }
-
-    window.addEventListener('pointermove', handlePointerMove)
-    window.addEventListener('pointerup', handlePointerUp)
-    window.addEventListener('pointercancel', handlePointerUp)
-    return () => {
-      document.body.style.cursor = previousCursor
-      document.body.style.userSelect = previousUserSelect
-      window.removeEventListener('pointermove', handlePointerMove)
-      window.removeEventListener('pointerup', handlePointerUp)
-      window.removeEventListener('pointercancel', handlePointerUp)
-    }
-  }, [isPanning])
-
-  // The wrapper owns the size the caller asked for; the preview pane takes
-  // whatever is left once the toolbar has been laid out.
-  const { width: styleWidth, height: styleHeight, ...paneStyle } = style
-
-  const wrapperStyle = {
-    width: styleWidth ?? width + 'px',
-    height: styleHeight ?? height + 'px',
-    minHeight: 0
-  }
 
   const containerStyle = {
-    flex: '1 1 auto',
+    width: width + 'px',
-    minHeight: 0,
+    height: height + 'px',
-    backgroundColor: backgroundColor || 'var(--layout-modal-bg)',
+    backgroundColor,
     position: 'relative',
-    ...paneStyle
+    ...style
   }
 
-  const controlsDisabled = isLoading || error != null
-  const panCursor = panMode ? (isPanning ? 'grabbing' : 'grab') : undefined
-
   return (
-    <Flex vertical gap={'middle'} style={wrapperStyle}>
-      {enableControls ? (
-        <Flex gap={'small'}>
-          <KeyboardShortcut
-            shortcut={'alt+p'}
-            hint={'ALT P'}
-            onTrigger={() => {
-              setPanMode((prev) => !prev)
-            }}
-          >
-            <Button
-              icon={
-                panMode ? (
-                  <PanFilledIcon style={{ color: 'var(--color-primary)' }} />
-                ) : (
-                  <PanIcon />
-                )
-              }
-              disabled={controlsDisabled}
-              onClick={() => {
-                setPanMode((prev) => !prev)
-              }}
-            />
-          </KeyboardShortcut>
-          <Button
-            icon={<PlusIcon />}
-            disabled={controlsDisabled}
-            onClick={() => {
-              applyZoomScale(zoomScale + 0.05)
-            }}
-          />
-          <Button
-            readOnly={true}
-            style={{ minWidth: '70px' }}
-            disabled={controlsDisabled}
-            onClick={resetView}
-          >
-            {zoomScale.toFixed(2)}x
-          </Button>
-          <Button
-            icon={<MinusIcon />}
-            disabled={controlsDisabled}
-            onClick={() => {
-              applyZoomScale(zoomScale - 0.05)
-            }}
-          />
-        </Flex>
-      ) : null}
     <div style={containerStyle}>
-        {enableControls ? (
-          <div className='previewZoomOverlay'>
-            <Card
-              style={{ borderRadius: 18 }}
-              styles={{ body: { padding: '10px 17px', width: 200 } }}
-              className='previewZoomCard'
-            >
-              <Slider
-                min={MIN_PREVIEW_SCALE}
-                max={MAX_PREVIEW_SCALE}
-                step={0.05}
-                tooltip={{ open: false }}
-                value={zoomScale}
-                disabled={controlsDisabled}
-                style={{ margin: 0 }}
-                onChange={applyZoomScale}
-                classNames={{
-                  handle: 'previewZoomSliderHandle'
-                }}
-                styles={{
-                  track: {
-                    background: 'var(--color-primary)'
-                  }
-                }}
-              />
-            </Card>
-          </div>
-        ) : null}
-        <Card
-          style={{
-            width: '100%',
-            height: '100%',
-            borderRadius: 0,
-            backgroundColor: backgroundColor || 'var(--layout-modal-bg)'
-          }}
-          styles={{
-            body: {
-              padding: 0,
-              height: '100%',
-              minHeight: 0
-            }
-          }}
-        >
       <div
         ref={containerRef}
         style={{
           width: '100%',
           height: '100%',
-              opacity: isLoading ? 0 : 1,
+          position: 'relative'
-              minHeight: 0,
-              cursor: panCursor,
-              touchAction: panMode ? 'none' : undefined,
-              position: 'relative',
-              overflow: 'hidden',
-              // The viewer appends a plain inline canvas, whose baseline gap
-              // would otherwise push it past the bottom of the card.
-              lineHeight: 0
         }}
       />
-        </Card>
+      {isLoading && <LoadingPlaceholder message={'Loading 3D preview...'} />}
-
-        <div
-          style={{
-            position: 'absolute',
-            inset: 0,
-            opacity: isLoading ? 1 : 0,
-            zIndex: 1,
-            display: 'flex',
-            pointerEvents: !isLoading ? 'none' : 'auto',
-            alignItems: 'center',
-            justifyContent: 'center'
-          }}
-        >
-          <LoadingPlaceholder message={'Loading 3D preview...'} />
-        </div>
-
       {error && (
         <div
           style={{
@@ -669,9 +144,8 @@ function ThreeDPreview(props) {
             top: '50%',
             left: '50%',
             transform: 'translate(-50%, -50%)',
-              background:
+            background: 'rgba(255, 0, 0, 0.1)',
-                'color-mix(in srgb, var(--color-error) 12%, transparent)',
+            color: '#d32f2f',
-              color: 'var(--color-error)',
             padding: '10px',
             borderRadius: '4px',
             fontSize: '14px',
@@ -682,7 +156,6 @@ function ThreeDPreview(props) {
         </div>
       )}
     </div>
-    </Flex>
   )
 }
 

src/components/Dashboard/context/ApiServerContext.jsx

@@ -1829,11 +1829,8 @@ const ApiServerProvider = ({ children }) => {
   }
 
   // Download GCode file content
-  const fetchFileContent = async (file, download = false, onProgress = null) => {
+  const fetchFileContent = async (file, download = false) => {
     try {
-      if (typeof onProgress === 'function') {
-        onProgress({ progress: 0, message: 'Starting download...' })
-      }
       const response = await axios.get(
         `${config.backendUrl}/files/${file._id}/content`,
         {
@@ -1841,32 +1838,13 @@ const ApiServerProvider = ({ children }) => {
             Accept: '*/*',
             Authorization: `Bearer ${token}`
           },
-          responseType: 'blob',
+          responseType: 'blob'
-          onDownloadProgress: (progressEvent) => {
-            if (typeof onProgress !== 'function') {
-              return
-            }
-            const total =
-              progressEvent.total > 0
-                ? progressEvent.total
-                : typeof file.size === 'number' && file.size > 0
-                  ? file.size
-                  : 0
-            const progress = total > 0 ? progressEvent.loaded / total : 0
-            onProgress({
-              progress: Math.min(progress, 1),
-              message: 'Downloading...'
-            })
-          }
         }
       )
       const blob = new Blob([response.data], {
         type: response.headers['content-type']
       })
       const fileURL = window.URL.createObjectURL(blob)
-      if (typeof onProgress === 'function') {
-        onProgress({ progress: 1, message: 'Download complete' })
-      }
       if (download == true) {
         const fileLink = document.createElement('a')
         fileLink.href = fileURL
@@ -1880,7 +1858,7 @@ const ApiServerProvider = ({ children }) => {
     } catch (err) {
       console.error(err)
       showError(err, () => {
-        fetchFileContent(file, download, onProgress)
+        fetchFileContent(file, download)
       })
     }
   }

src/components/Dashboard/hooks/usePinchZoom.js

@@ -13,7 +13,7 @@ export const clampPreviewScale = (value) => {
   return Math.round(clamped * 10000) / 10000
 }
 
-export const nextScaleFromWheel = (scale, event) => {
+const nextScaleFromWheel = (scale, event) => {
   const intensity = event.deltaMode === 1 ? 0.12 : 0.0045
   return clampPreviewScale(scale * Math.exp(-event.deltaY * intensity))
 }

src/database/models/File.js

@@ -111,7 +111,6 @@ export const File = {
   columns: [
     '_reference',
     'name',
-    'extension',
     'type',
     'size',
     'temp',
@@ -126,18 +125,9 @@ export const File = {
     'extension',
     'createdAt',
     'updatedAt',
-    '_reference',
+    '_reference'
-    'extension'
-  ],
-  sorters: [
-    'name',
-    'type',
-    'size',
-    'createdAt',
-    'temp',
-    'updatedAt',
-    'extension'
   ],
+  sorters: ['name', 'type', 'size', 'createdAt', 'temp', 'updatedAt'],
   group: ['type'],
   properties: [
     {
@@ -183,14 +173,13 @@ export const File = {
     },
 
     {
-      name: 'extension',
+      name: 'type',
-      label: 'Extension',
+      label: 'Type',
       type: 'text',
       readOnly: true,
       required: true,
-      columnWidth: 140
+      columnWidth: 190
     },
-
     {
       name: 'size',
       label: 'Size',
@@ -233,14 +222,6 @@ export const File = {
       readOnly: true,
       required: false,
       columnWidth: 100
-    },
-    {
-      name: 'type',
-      label: 'Type',
-      type: 'text',
-      readOnly: true,
-      required: true,
-      columnWidth: 190
     }
   ]
 }