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dv3d/dicom-viewer/src/App.tsx
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2025-05-30 18:06:22 +01:00

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import { useEffect, useRef, useCallback, useState } from "react"
import { createImageIds, availableImageIds } from "./lib/createImageIds.ts"
import {
RenderingEngine,
Enums,
} from "@cornerstonejs/core"
import { init as csRenderInit, utilities as csUtilities } from "@cornerstonejs/core"
import { init as csToolsInit, addTool, ToolGroupManager, Enums as csToolsEnums, PanTool, WindowLevelTool, StackScrollTool, ZoomTool, PlanarRotateTool, utilities as csToolsUtilities } from "@cornerstonejs/tools"
import { LengthTool, ProbeTool, ArrowAnnotateTool, RectangleROITool, EllipticalROITool, PlanarFreehandROITool, PlanarFreehandContourSegmentationTool, SculptorTool, CrosshairsTool, ReferenceLinesTool, ReferenceCursors } from "@cornerstonejs/tools"
import { init as dicomImageLoaderInit } from "@cornerstonejs/dicom-image-loader"
import * as cornerstoneTools from '@cornerstonejs/tools';
import { StackScrollOutOfBoundsEvent } from 'core/src/types/EventTypes';
import { segmentation, Enums as csEnums } from '@cornerstonejs/tools';
import { voi } from "@cornerstonejs/tools/utilities"
import { readDicomElementExplicit } from "dicom-parser"
import { volumeLoader } from '@cornerstonejs/core';
import { metaData } from '@cornerstonejs/core';
import * as dicomParser from "dicom-parser";
import cornerstoneDICOMImageLoader from "@cornerstonejs/dicom-image-loader"
window.cornerstoneTools = cornerstoneTools;
const { MouseBindings, KeyboardBindings } = csToolsEnums;
const { IMAGE_RENDERED } = Enums.Events;
const STACK_TOOL_GROUP_ID = 'STACK_TOOL_GROUP_ID';
const VOLUME_TOOL_GROUP_ID = 'VOLUME_TOOL_GROUP_ID';
const MAIN_TOOL_GROUP_ID = 'MAIN_TOOL_GROUP_ID';
// Common CT presets (add more as needed)
const WINDOW_LEVEL_PRESETS = [
{ name: "Soft Tissue", center: 40, width: 400 },
{ name: "Lung", center: -600, width: 1500 },
{ name: "Bone", center: 300, width: 1500 },
{ name: "Brain", center: 40, width: 80 },
{ name: "Abdomen", center: 60, width: 400 },
]
// Tool options for dropdowns
const TOOL_OPTIONS = [
{ label: "Window/Level", value: WindowLevelTool.toolName },
{ label: "Pan", value: PanTool.toolName },
{ label: "Zoom", value: ZoomTool.toolName },
{ label: "Stack Scroll", value: StackScrollTool.toolName },
{ label: "Rotate", value: PlanarRotateTool.toolName },
{ label: "Length", value: LengthTool.toolName },
{ label: "Probe", value: ProbeTool.toolName },
{ label: "Arrow Annotate", value: ArrowAnnotateTool.toolName },
{ label: "Rectangle ROI", value: RectangleROITool.toolName },
{ label: "Ellipse ROI", value: EllipticalROITool.toolName },
{ label: "Freehand ROI", value: PlanarFreehandROITool.toolName },
{ label: "Freehand Contour Segmentation", value: PlanarFreehandContourSegmentationTool.toolName },
{ label: "Sculptor", value: SculptorTool.toolName },
{ label: "Reference Cursors", value: ReferenceCursors.toolName },
]
// Mouse button labels
const MOUSE_BUTTONS = [
{ label: "Left", value: "Primary" },
{ label: "Middle", value: "Auxiliary" },
{ label: "Right", value: "Secondary" },
]
const ALL_MOUSE_BINDINGS = [
{ label: "Left", value: "Primary", mask: 1 },
{ label: "Middle", value: "Auxiliary", mask: 4 },
{ label: "Right", value: "Secondary", mask: 2 },
{ label: "Left + Right", value: "Primary_and_Secondary", mask: 3 },
{ label: "Left + Middle", value: "Primary_and_Auxiliary", mask: 5 },
{ label: "Right + Middle", value: "Secondary_and_Auxiliary", mask: 6 },
{ label: "Left + Right + Middle", value: "Primary_and_Secondary_and_Auxiliary", mask: 7 },
{ label: "Fourth Button", value: "Fourth_Button", mask: 8 },
{ label: "Fifth Button", value: "Fifth_Button", mask: 16 },
{ label: "Mouse Wheel", value: "Wheel", mask: 524288 },
{ label: "Mouse Wheel + Left", value: "Wheel_Primary", mask: 524289 },
];
// App definintion
function App() {
const elementRef = useRef<HTMLDivElement>(null)
const viewportRef = useRef<any>(null) // Store the viewport instance
const running = useRef(false)
// State to control preset menu open/close
const [presetsOpen, setPresetsOpen] = useState(false);
const [settingsOpen, setSettingsOpen] = useState(false);
// State for overlay info
const [imageInfo, setImageInfo] = useState({
index: 0,
total: 0,
windowCenter: "",
windowWidth: "",
})
const MAX_VIEWPORTS = 9;
const renderingEngineId = "mainRenderingEngine";
const renderingEngineRef = useRef<any>(null);
const [availableStacks, setAvailableStacks] = useState<string[][]>([]);
const [activeViewport, setActiveViewport] = useState<number | null>(0);
const [viewportImageIds, setViewportImageIds] = useState<string[][]>(
() => Array(MAX_VIEWPORTS).fill([])
);
const [selectedStackIdx, setSelectedStackIdx] = useState<number[]>(
() => Array(MAX_VIEWPORTS).fill(0)
);
// Load available stacks on mount
useEffect(() => {
availableImageIds().then(stacks => {
setAvailableStacks(stacks);
// Optionally initialize each viewport with the first stack
setLoadedImageIdsAndCacheMeta(stacks[0]);
setViewportImageIds(Array(MAX_VIEWPORTS).fill(stacks[0] || []));
});
}, []);
const handleLoadStack = async (viewportIdx: number, stackIdx: number) => {
const stack = availableStacks[stackIdx];
if (!stack) return;
setViewportImageIds(prev => {
const next = [...prev];
next[viewportIdx] = stack;
return next;
});
setSelectedStackIdx(prev => {
const next = [...prev];
next[viewportIdx] = stackIdx;
return next;
});
// Cache imageIds and load metadata for this stack
await setLoadedImageIdsAndCacheMeta(stack);
};
const [crossHairsEnabled, setCrossHairsEnabled] = useState(false);
const [referenceLinesEnabled, setReferenceLinesEnabled] = useState(true);
const [showAdvancedMouseBindings, setShowAdvancedMouseBindings] = useState(false);
const sortViewportImageIdsBySliceLocation = () => {
setViewportImageIds(prev => {
const next = prev.map((imageIds, idx) => {
if (!imageIds || imageIds.length === 0) return imageIds;
const withSortKey = imageIds.map(id => {
const plane = metaData.get('imagePlaneModule', id);
let sortKey = null;
if (plane) {
if (plane.sliceLocation !== undefined) {
sortKey = Number(plane.sliceLocation);
} else if (
plane.imagePositionPatient &&
Array.isArray(plane.imagePositionPatient) &&
plane.imagePositionPatient.length === 3
) {
sortKey = Number(plane.imagePositionPatient[2]);
}
}
return { imageId: id, sortKey };
});
const sorted = [...withSortKey].sort((a, b) => {
if (a.sortKey !== null && b.sortKey !== null) {
return a.sortKey - b.sortKey;
}
return a.imageId.localeCompare(b.imageId);
});
const sortedIds = sorted.map(obj => obj.imageId);
if (JSON.stringify(sortedIds) === JSON.stringify(imageIds)) {
return imageIds;
}
return sortedIds;
});
return next;
});
};
// Wrap setLoadedImageIds to also cache DICOM metadata
const setLoadedImageIdsAndCacheMeta = async (imageIds: string[]) => {
const loadPromises: Promise<any>[] = [];
for (const imageId of imageIds) {
if (imageId.startsWith("wadouri:")) {
try {
const url = imageId.slice(8);
if (url.startsWith("blob:") || url.startsWith("/")) {
if (cornerstoneDICOMImageLoader.wadouri.dataSetCacheManager) {
// If load returns a promise, collect it
const result = cornerstoneDICOMImageLoader.wadouri.dataSetCacheManager.load(url);
if (result && typeof result.then === "function") {
loadPromises.push(result);
}
} else {
console.warn("MetaDataManager not found. Unable to cache metadata.");
}
}
} catch (e) {
console.warn(`Failed to cache metadata for ${imageId}:`, e);
}
}
}
// Wait for all metadata loads to finish
await Promise.all(loadPromises);
// Trigger sort if enabled
if (orderBySliceLocation) {
sortViewportImageIdsBySliceLocation();
}
};
const [viewportGrid, setViewportGrid] = useState({ rows: 1, cols: 1 })
const [viewportMenuOpen, setViewportMenuOpen] = useState(false)
// Store refs for each viewport
const viewportRefs = useRef<Array<HTMLDivElement | null>>([])
// Store the properties and scroll position of existing viewports before grid change
const prevViewportProps = useRef<Record<number, any>>({});
const prevScrollIndices = useRef<Record<number, number>>({});
const [orderBySliceLocation, setOrderBySliceLocation] = useState(true);
const [altEnablesReferenceCursors, setAltEnablesReferenceCursors] = useState(true);
// Helper to generate grid options
const gridOptions = []
for (let rows = 1; rows <= 3; rows++) {
for (let cols = 1; cols <= 3; cols++) {
gridOptions.push({ rows, cols })
}
}
// State for overlay info per viewport
const [imageInfos, setImageInfos] = useState<Array<{
index: number,
total: number,
windowCenter: string,
windowWidth: string,
}>>(() =>
Array(viewportGrid.rows * viewportGrid.cols).fill({
index: 0,
total: 0,
windowCenter: "",
windowWidth: "",
})
);
const [viewportModes, setViewportModes] = useState<Array<'stack' | 'volume'>>(
() => Array(MAX_VIEWPORTS).fill('stack')
);
// State for preset menu open/close per viewport
const [presetsOpenArr, setPresetsOpenArr] = useState<boolean[]>(
() => Array(viewportGrid.rows * viewportGrid.cols).fill(false)
);
// State for selected tool per mouse button
const [mouseToolBindings, setMouseToolBindings] = useState({
Primary: StackScrollTool.toolName,
Auxiliary: PanTool.toolName,
Secondary: WindowLevelTool.toolName,
Primary_and_Secondary: ZoomTool.toolName, // 1 (left) + 2 (right) = 3
Fourth_Button: PlanarRotateTool.toolName, // 16
Wheel: StackScrollTool.toolName, // 524288
})
const [ctrlMouseToolBindings, setCtrlMouseToolBindings] = useState({
Primary: LengthTool.toolName,
Auxiliary: ProbeTool.toolName,
Secondary: ArrowAnnotateTool.toolName,
})
// Track if Ctrl is pressed
const [ctrlPressed, setCtrlPressed] = useState(false)
useEffect(() => {
const handleKeyDown = (e: KeyboardEvent) => {
if (e.ctrlKey) setCtrlPressed(true)
}
const handleKeyUp = (e: KeyboardEvent) => {
if (!e.ctrlKey) setCtrlPressed(false)
}
window.addEventListener("keydown", handleKeyDown)
window.addEventListener("keyup", handleKeyUp)
return () => {
window.removeEventListener("keydown", handleKeyDown)
window.removeEventListener("keyup", handleKeyUp)
}
}, [])
const [metaModalOpen, setMetaModalOpen] = useState(false);
const [metaModalContent, setMetaModalContent] = useState<any>(null);
// Add this function to gather and format metadata:
const handleShowMetadata = () => {
// Find the first visible viewport with images
const firstIdx = viewportImageIds.findIndex(ids => ids && ids.length > 0);
if (firstIdx === -1) {
setMetaModalContent("No images loaded.");
setMetaModalOpen(true);
return;
}
const imageId = viewportImageIds[firstIdx][0];
// Gather all available metadata modules for this imageId
const modules = [
"imagePlaneModule",
"generalSeriesModule",
"generalStudyModule",
"patientModule",
"imagePixelModule",
"voiLutModule",
"modalityLutModule",
"sopCommonModule",
"petIsotopeModule",
"multiframeModule",
"cineModule",
"overlayPlaneModule",
"generalImageModule",
"stackModule",
"voiLutModule",
"modalityLutModule",
"petSeriesModule",
"petImageModule",
"petIsotopeModule",
"petSeriesModule",
"petImageModule",
"petIsotopeModule",
"petSeriesModule",
"petImageModule",
"petIsotopeModule",
"petSeriesModule",
"petImageModule",
"petIsotopeModule",
// Add more if your app or cornerstone supports them
];
const allMeta: Record<string, any> = {};
modules.forEach((mod) => {
const val = metaData.get(mod, imageId);
if (val !== undefined) allMeta[mod] = val;
});
setMetaModalContent(
<pre style={{ maxHeight: 600, overflow: "auto", fontSize: 13, color: "#fff" }}>
{JSON.stringify(allMeta, null, 2)}
</pre>
);
setMetaModalOpen(true);
};
const [altPressed, setAltPressed] = useState(false);
useEffect(() => {
const handleKeyDown = (e: KeyboardEvent) => {
if (e.altKey) setAltPressed(true);
};
const handleKeyUp = (e: KeyboardEvent) => {
if (!e.altKey) setAltPressed(false);
};
window.addEventListener("keydown", handleKeyDown);
window.addEventListener("keyup", handleKeyUp);
return () => {
window.removeEventListener("keydown", handleKeyDown);
window.removeEventListener("keyup", handleKeyUp);
};
}, []);
useEffect(() => {
if (!altEnablesReferenceCursors) return;
const mainToolGroup = ToolGroupManager.getToolGroup(MAIN_TOOL_GROUP_ID);
if (!mainToolGroup) return;
if (altPressed) {
if (!mainToolGroup.hasTool(ReferenceCursors.toolName)) {
mainToolGroup.addTool(ReferenceCursors.toolName);
}
mainToolGroup.setToolEnabled(ReferenceCursors.toolName);
mainToolGroup.setToolActive(ReferenceCursors.toolName);
} else {
if (mainToolGroup.hasTool(ReferenceCursors.toolName)) {
mainToolGroup.setToolDisabled(ReferenceCursors.toolName);
}
}
}, [altPressed, altEnablesReferenceCursors]);
// Helper to apply all mouse tool bindings (normal or ctrl)
const applyMouseToolBindings = useCallback(() => {
// Apply to both stack and volume tool groups
const mainToolGroup = cornerstoneTools.ToolGroupManager.getToolGroup(MAIN_TOOL_GROUP_ID);
[mainToolGroup].forEach(toolGroup => {
if (toolGroup) {
// Set all tools to passive first, removing all bindings
TOOL_OPTIONS.forEach(opt => {
toolGroup.setToolPassive(opt.value, { removeAllBindings: true });
});
toolGroup.setToolDisabled(ReferenceCursors.toolName);
// Collect all bindings for each tool
const toolBindings: Record<string, Array<any>> = {};
// Normal bindings
Object.entries(mouseToolBindings).forEach(([btn, tool]) => {
if (!toolBindings[tool]) toolBindings[tool] = [];
// Find the mask for this binding
const binding = ALL_MOUSE_BINDINGS.find(b => b.value === btn);
if (binding) {
toolBindings[tool].push({ mouseButton: binding.mask });
} else if (MouseBindings[btn]) {
// Fallback for legacy bindings
toolBindings[tool].push({ mouseButton: MouseBindings[btn] });
}
});
// Ctrl bindings (now supports advanced mouse bindings)
Object.entries(ctrlMouseToolBindings).forEach(([btn, tool]) => {
if (!tool) return;
if (!toolBindings[tool]) toolBindings[tool] = [];
const binding = ALL_MOUSE_BINDINGS.find(b => b.value === btn);
if (binding) {
toolBindings[tool].push({
mouseButton: binding.mask,
modifierKey: KeyboardBindings.Ctrl,
});
} else if (MouseBindings[btn]) {
toolBindings[tool].push({
mouseButton: MouseBindings[btn],
modifierKey: KeyboardBindings.Ctrl,
});
}
});
// Apply all bindings for each tool in a single call
Object.entries(toolBindings).forEach(([tool, bindings]) => {
toolGroup.setToolActive(tool, { bindings });
});
//// Always re-apply the mouse wheel binding for StackScrollTool
//toolGroup.setToolActive(StackScrollTool.toolName, {
// bindings: [
// {
// mouseButton: MouseBindings.Wheel, // Wheel Mouse
// },
// ],
//});
}
});
}, [mouseToolBindings, ctrlMouseToolBindings]);
const [sideMenuOpen, setSideMenuOpen] = useState(false);
// Add a ref to store selected files
const fileInputRef = useRef<HTMLInputElement | null>(null);
// Handler for file input change
const handleFilesSelected = async (event: React.ChangeEvent<HTMLInputElement>) => {
const files = event.target.files;
if (!files || files.length === 0) return;
// Reset order by slice location when new files are loaded
setOrderBySliceLocation(false);
// Convert FileList to Array and sort by name (optional, for series order)
const fileArray = Array.from(files).sort((a, b) => a.name.localeCompare(b.name));
// Create imageIds for each file using the cornerstone-wado-image-loader file API
// (Assumes cornerstone-wado-image-loader is configured for file loading)
const imageIds = fileArray.map(
file => `wadouri:${URL.createObjectURL(file)}`
);
setLoadedImageIdsAndCacheMeta(imageIds);
};
const handleToolChange = (mouseButton: string, toolName: string) => {
setMouseToolBindings(prev => ({ ...prev, [mouseButton]: toolName }))
}
// Update overlay info for a specific viewport
const updateOverlay = useCallback((viewportIdx: number, viewport: any) => {
if (!viewport) return;
const currentIndex = typeof viewport.getCurrentImageIdIndex === "function"
? viewport.getCurrentImageIdIndex()
: 0;
const imageIds = typeof viewport.getImageIds === "function"
? viewport.getImageIds()
: [];
const total = imageIds.length;
let windowCenter = "";
let windowWidth = "";
if (typeof viewport.getProperties === "function") {
const props = viewport.getProperties();
if (props.voiRange) {
const { lower, upper } = props.voiRange;
windowCenter = ((upper + lower) / 2).toFixed(0);
windowWidth = (upper - lower).toFixed(0);
}
}
setImageInfos(prev => {
const next = [...prev];
next[viewportIdx] = {
index: currentIndex + 1,
total,
windowCenter,
windowWidth,
};
return next;
});
}, []);
const [gridBtnActive, setGridBtnActive] = useState(false);
function saveVisibleViewportState() {
for (let i = 0; i < viewportGrid.rows * viewportGrid.cols; i++) {
const viewportId = `CT_${i}`;
const renderingEngine = renderingEngineRef.current;
if (renderingEngine) {
const viewport = renderingEngine.getViewport(viewportId);
if (viewport && typeof viewport.getProperties === "function") {
prevViewportProps.current[i] = viewport.getProperties();
}
if (viewport && typeof viewport.getCurrentImageIdIndex === "function") {
prevScrollIndices.current[i] = viewport.getCurrentImageIdIndex();
}
}
}
}
useEffect(() => {
const setup = async () => {
// 1. Initialize Cornerstone3D and tools ONCE
if (!running.current) {
running.current = true;
await csRenderInit();
await csToolsInit(
{ showSVGCursors: true, }
);
dicomImageLoaderInit({ maxWebWorkers: 1 });
}
// 3. Get or create the rendering engine
let renderingEngine = renderingEngineRef.current;
if (!renderingEngine) {
renderingEngine = new RenderingEngine(renderingEngineId);
renderingEngineRef.current = renderingEngine;
}
// --- In your setup function, use the correct tool group per viewport ---
let mainToolGroup = ToolGroupManager.getToolGroup(MAIN_TOOL_GROUP_ID);
if (!mainToolGroup) {
mainToolGroup = setupTools().mainToolGroup;
}
const visibleVolumeViewports = viewportModes
.slice(0, viewportGrid.rows * viewportGrid.cols)
.filter(mode => mode === 'volume').length;
// --- In your setup function, after tool group creation, enable/disable ReferenceLinesTool for each tool group ---
updateActiveReferenceLineViewport(mainToolGroup)
// 6. Enable and configure each viewport
for (let i = 0; i < MAX_VIEWPORTS; i++) {
let imageIds = viewportImageIds[i];
if (!imageIds || imageIds.length === 0) continue;
const viewportId = `CT_${i}`;
const element = viewportRefs.current[i];
if (!element) continue;
const viewportType =
viewportModes[i] === 'volume'
? Enums.ViewportType.ORTHOGRAPHIC // or Enums.ViewportType.VOLUME if supported
: Enums.ViewportType.STACK;
// Choose tool group based on viewport type
//const toolGroup = viewportModes[i] === 'volume' ? volumeToolGroup : stackToolGroup;
if (!element._cornerstoneEnabled || element._lastViewportType !== viewportType) {
if (renderingEngine.getViewport(viewportId)) {
renderingEngine.disableElement(viewportId);
}
renderingEngine.enableElement({
viewportId,
type: viewportType,
element,
});
element._cornerstoneEnabled = true;
element._lastViewportType = viewportType;
//mainToolGroup.addViewport(viewportId, renderingEngineId);
//toolGroup.addViewport(viewportId, renderingEngineId);
}
const viewport = renderingEngine.getViewport(viewportId);
if (!viewport) continue;
if (!element._resizeObserver) {
const resizeObserver = new window.ResizeObserver(() => {
if (element.offsetWidth > 0 && element.offsetHeight > 0) {
renderingEngine.resize();
// Always get the latest viewport instance
const vp = renderingEngine.getViewport(viewportId);
if (vp && typeof vp.resize === "function") {
vp.resize();
}
if (vp && typeof vp.render === "function") {
vp.render();
}
}
});
resizeObserver.observe(element);
element._resizeObserver = resizeObserver;
}
if (viewportModes[i] === 'stack') {
if (imageIds) {
viewport.setStack(imageIds);
}
// CrosshairsTool is not applicable for stack viewports
if (!crossHairsEnabled) {
mainToolGroup.addViewport(viewportId, renderingEngineId);
} else {
mainToolGroup.removeViewports(renderingEngineId, viewportId);
}
// Restore scroll, properties, etc.
} else if (viewportModes[i] === 'volume') {
mainToolGroup.addViewport(viewportId, renderingEngineId);
//let sortedImageIds = imageIds;
//if (imageIds && imageIds.length > 1) {
// sortedImageIds = [...imageIds].sort((a, b) => {
// const metaA = metaData.get('imagePlaneModule', a);
// const metaB = metaData.get('imagePlaneModule', b);
// const sliceA = metaA && metaA.sliceLocation !== undefined ? Number(metaA.sliceLocation) : 0;
// const sliceB = metaB && metaB.sliceLocation !== undefined ? Number(metaB.sliceLocation) : 0;
// return sliceA - sliceB;
// });
//}
// Use a unique volumeId per viewport
const volumeId = `myVolumeId_${i}`;
const volume = await volumeLoader.createAndCacheVolume(volumeId, { imageIds: imageIds });
volume.load();
viewport.setVolumes([{ volumeId }]);
viewport.render();
continue
}
viewport.render();
// Restore previous scroll position for existing viewports only
if (
prevScrollIndices.current[i] !== undefined &&
typeof viewport.setImageIdIndex === "function"
) {
//viewport.setImageIdIndex(prevScrollIndices.current[i]);
csUtilities.jumpToSlice(viewport.element, { imageIndex: prevScrollIndices.current[i] })
}
// Restore previous state for existing viewports only
const prevProps = prevViewportProps.current[i];
if (prevProps && typeof viewport.setProperties === "function") {
// Only restore safe properties
const { voiRange, invert, interpolationType, VOILUTFunction, colormap } = prevProps;
const propsToRestore: any = {};
if (voiRange && voiRange.lower !== undefined && voiRange.upper !== undefined) propsToRestore.voiRange = voiRange;
if (invert !== undefined) propsToRestore.invert = invert;
if (interpolationType !== undefined) propsToRestore.interpolationType = interpolationType;
if (VOILUTFunction) propsToRestore.VOILUTFunction = VOILUTFunction;
if (
colormap !== undefined &&
colormap !== null &&
(typeof colormap === "string" || (typeof colormap === "object" && !("actor" in colormap)))
) {
propsToRestore.colormap = colormap;
}
setTimeout(() => {
viewport.setProperties(propsToRestore);
viewport.render()
}, 100);
}
// Always (re-)attach overlay update for each viewport
if (element._overlayListener) {
// Remove previous listener if present
viewport.element.removeEventListener(IMAGE_RENDERED, element._overlayListener);
}
const overlayListener = () => updateOverlay(i, viewport);
viewport.element.addEventListener(IMAGE_RENDERED, overlayListener);
element._overlayListener = overlayListener;
updateOverlay(i, viewport);
}
const activeVolumeViewports = [];
for (let i = 0; i < viewportGrid.rows * viewportGrid.cols; i++) {
const viewportId = `CT_${i}`;
const viewport = renderingEngineRef.current?.getViewport(viewportId);
if (viewport && viewportModes[i] === 'volume') {
activeVolumeViewports.push(viewport);
}
}
// Find all active volume viewports
const activeVolumeViewportIds = [];
for (let i = 0; i < viewportGrid.rows * viewportGrid.cols; i++) {
if (viewportModes[i] === 'volume') {
activeVolumeViewportIds.push(`CT_${i}`);
}
}
if (mainToolGroup && crossHairsEnabled) {
// Only enable CrosshairsTool if at least two volume viewports are active
if (activeVolumeViewportIds.length >= 2) {
// Make sure CrosshairsTool is added to the tool group
if (!mainToolGroup.hasTool(CrosshairsTool.toolName)) {
mainToolGroup.addTool(CrosshairsTool.toolName);
}
mainToolGroup.setToolEnabled(CrosshairsTool.toolName);
mainToolGroup.setToolConfiguration(CrosshairsTool.toolName, {
// Example: color: '#ffeb3b', lineWidth: 2
});
mainToolGroup.setToolActive(CrosshairsTool.toolName, {
bindings: [{ mouseButton: MouseBindings.Primary }],
});
} else {
// Disable CrosshairsTool if not enough volume viewports
if (mainToolGroup.hasTool(CrosshairsTool.toolName)) {
mainToolGroup.setToolDisabled(CrosshairsTool.toolName);
}
}
}
// 7. Apply mouse tool bindings
applyMouseToolBindings();
};
// Use requestAnimationFrame to ensure DOM is painted before setup
const raf = requestAnimationFrame(() => {
setup();
});
// Cleanup: disconnect ResizeObservers
return () => {
viewportRefs.current.forEach(el => {
if (el && el._resizeObserver) {
el._resizeObserver.disconnect();
delete el._resizeObserver;
}
});
cancelAnimationFrame(raf);
};
}, [elementRef, updateOverlay, viewportGrid, viewportModes, viewportImageIds]);
// Handler to reset the view (camera and window/level)
const handleDoubleClick = useCallback((viewportIdx: number) => {
const viewportId = `CT_${viewportIdx}`;
const renderingEngine = renderingEngineRef.current;
const viewport = renderingEngine.getViewport(viewportId);
if (viewport && typeof viewport.resetCamera === "function") {
viewport.resetCamera();
viewport.resetProperties(); // Resets window/level and other properties
viewport.render();
}
}, [])
// Handler to apply a preset for a specific viewport
const handleApplyPreset = useCallback((viewportIdx: number, center: number, width: number) => {
const viewportId = `CT_${viewportIdx}`;
try {
const renderingEngine = renderingEngineRef.current;
if (renderingEngine) {
const viewport = renderingEngine.getViewport(viewportId);
if (viewport && typeof viewport.setProperties === "function") {
viewport.setProperties({
voiRange: {
lower: center - width / 2,
upper: center + width / 2,
},
});
viewport.render();
updateOverlay(viewportIdx, viewport);
}
}
} catch (e) {
// Ignore if not found
}
}, [updateOverlay]);
// Update overlay and preset state arrays when grid changes
useEffect(() => {
setImageInfos(Array(viewportGrid.rows * viewportGrid.cols).fill({
index: 0,
total: 0,
windowCenter: "",
windowWidth: "",
}));
setPresetsOpenArr(Array(viewportGrid.rows * viewportGrid.cols).fill(false));
}, [viewportGrid]);
// Re-apply bindings when tool sets or ctrl changes
useEffect(() => {
applyMouseToolBindings()
}, [mouseToolBindings, ctrlMouseToolBindings, ctrlPressed, applyMouseToolBindings])
// Close the menu when clicking outside
useEffect(() => {
if (!presetsOpen) return;
const handleClick = (e: MouseEvent) => {
const menu = document.querySelector(".preset-menu");
if (menu && !menu.contains(e.target as Node)) {
setPresetsOpen(false);
}
};
document.addEventListener("mousedown", handleClick);
return () => document.removeEventListener("mousedown", handleClick);
}, [presetsOpen]);
useEffect(() => {
const handleContextMenu = (e: MouseEvent) => {
e.preventDefault();
};
document.addEventListener("contextmenu", handleContextMenu);
return () => {
document.removeEventListener("contextmenu", handleContextMenu);
};
}, []);
useEffect(() => {
if (!referenceLinesEnabled) return;
const mainToolGroup = ToolGroupManager.getToolGroup(MAIN_TOOL_GROUP_ID);
updateActiveReferenceLineViewport(mainToolGroup)
}, [activeViewport, referenceLinesEnabled]);
useEffect(() => {
if (!orderBySliceLocation) return;
// Only sort if all metadata is loaded for all viewports
const allLoaded = viewportImageIds.every(imageIds =>
!imageIds || imageIds.length === 0 ||
imageIds.every(id => !!metaData.get("imagePlaneModule", id))
);
if (!allLoaded) return;
setViewportImageIds(prev => {
const next = prev.map(imageIds => {
if (!imageIds || imageIds.length === 0) return imageIds;
const withSliceLoc = imageIds.map(id => ({
imageId: id,
sliceLoc: (() => {
const meta = metaData.get('imagePlaneModule', id);
return meta && meta.sliceLocation !== undefined ? Number(meta.sliceLocation) : null;
})(),
}));
const sorted = [...withSliceLoc].sort((a, b) => {
if (a.sliceLoc !== null && b.sliceLoc !== null) {
return a.sliceLoc - b.sliceLoc;
}
return a.imageId.localeCompare(b.imageId);
});
const sortedIds = sorted.map(obj => obj.imageId);
if (JSON.stringify(sortedIds) === JSON.stringify(imageIds)) {
return imageIds;
}
return sortedIds;
});
return next;
});
}, [orderBySliceLocation, availableStacks]);
function updateActiveReferenceLineViewport(mainToolGroup: cornerstoneTools.Types.IToolGroup) {
// Ensure the main tool group is defined (it won't be during setup)
if (!mainToolGroup) return;
const sourceViewportId = `CT_${activeViewport}`
if (referenceLinesEnabled) {
mainToolGroup.setToolEnabled(ReferenceLinesTool.toolName)
mainToolGroup.setToolConfiguration(ReferenceLinesTool.toolName, {
sourceViewportId,
})
} else {
mainToolGroup.setToolDisabled(ReferenceLinesTool.toolName)
}
}
const viewports = [];
for (let i = 0; i < MAX_VIEWPORTS; i++) {
// Determine if this viewport should be visible in the current grid
const isVisible = i < viewportGrid.rows * viewportGrid.cols;
viewports.push(
<div
key={i}
ref={el => (viewportRefs.current[i] = el)}
style={{
flex: 1,
border: "1px solid #222",
background: "#000",
minWidth: 0,
minHeight: 0,
position: "relative",
overflow: "hidden",
flexDirection: "column",
gridRow: Math.floor(i / viewportGrid.cols) + 1,
gridColumn: (i % viewportGrid.cols) + 1,
height: "100%",
visibility: isVisible ? "visible" : "hidden",
pointerEvents: isVisible ? "auto" : "none",
// Remove outline, use only boxShadow for indicator
boxShadow: activeViewport === i
? "0 0 0 4px #1976d2, 0 0 16px 4px #1976d2cc"
: undefined,
cursor: "pointer",
zIndex: activeViewport === i ? 10 : 1,
}}
onClick={() => setActiveViewport(i)}
onDoubleClick={() => handleDoubleClick(i)}
>
<button
style={{
position: "absolute",
top: 8,
left: 8,
zIndex: 20,
background: "#333",
color: "#fff",
border: "none",
borderRadius: "4px",
padding: "4px 8px",
cursor: "pointer",
fontSize: "12px",
opacity: 0.85,
}}
onClick={() => {
setViewportModes(prev => {
const next = [...prev];
next[i] = prev[i] === 'stack' ? 'volume' : 'stack';
return next;
});
}}
>
{viewportModes[i] === 'stack' ? 'Volume' : 'Stack'}
</button>
{viewportModes[i] === 'volume' && (
<div
style={{
position: "absolute",
top: 8,
left: 70,
zIndex: 21,
display: "flex",
gap: "6px",
background: "rgba(34,34,34,0.85)",
borderRadius: "4px",
padding: "2px 6px",
alignItems: "center",
}}
>
<button
style={{
background: "#444",
color: "#fff",
border: "none",
borderRadius: "3px",
padding: "2px 8px",
cursor: "pointer",
fontSize: "12px",
marginRight: "2px",
}}
onClick={() => {
const renderingEngine = renderingEngineRef.current;
const viewport = renderingEngine?.getViewport(`CT_${i}`);
if (viewport && viewport.setOrientation) {
viewport.setOrientation("axial");
viewport.render();
}
}}
>
Axial
</button>
<button
style={{
background: "#444",
color: "#fff",
border: "none",
borderRadius: "3px",
padding: "2px 8px",
cursor: "pointer",
fontSize: "12px",
marginRight: "2px",
}}
onClick={() => {
const renderingEngine = renderingEngineRef.current;
const viewport = renderingEngine?.getViewport(`CT_${i}`);
if (viewport && viewport.setOrientation) {
viewport.setOrientation("sagittal");
viewport.render();
}
}}
>
Sagittal
</button>
<button
style={{
background: "#444",
color: "#fff",
border: "none",
borderRadius: "3px",
padding: "2px 8px",
cursor: "pointer",
fontSize: "12px",
}}
onClick={() => {
const renderingEngine = renderingEngineRef.current;
const viewport = renderingEngine?.getViewport(`CT_${i}`);
if (viewport && viewport.setOrientation) {
viewport.setOrientation("coronal");
viewport.render();
}
}}
>
Coronal
</button>
</div>
)}
{/* Overlay info (bottom left of viewport) */}
<div
style={{
position: "absolute",
left: 8,
bottom: 8,
background: "rgba(0,0,0,0.7)",
color: "#fff",
padding: "6px 12px",
borderRadius: "4px",
fontSize: "14px",
zIndex: 10,
pointerEvents: "none",
minWidth: "120px",
userSelect: "none",
}}
>
{viewportModes[i] === "stack" ? (
<>
<div>
Image: {imageInfos[i]?.index} / {imageInfos[i]?.total}
</div>
<div>
WC: {imageInfos[i]?.windowCenter} &nbsp; WW: {imageInfos[i]?.windowWidth}
</div>
</>
) : (
// Volume mode: do not show image position
<div>
WC: {imageInfos[i]?.windowCenter} &nbsp; WW: {imageInfos[i]?.windowWidth}
</div>
)}
</div>
{/* Preset menu (bottom right of viewport) */}
<div
style={{
position: "absolute",
right: 8,
bottom: 8,
zIndex: 10,
}}
>
<div
className="preset-menu"
style={{
background: "rgba(0,0,0,0.7)",
color: "#fff",
borderRadius: "4px",
fontSize: "14px",
minWidth: "120px",
overflow: "hidden",
cursor: "pointer",
position: "relative",
boxShadow: presetsOpenArr[i] ? "0 2px 8px rgba(0,0,0,0.3)" : undefined,
}}
>
<div
style={{
padding: "6px 12px",
fontWeight: "bold",
userSelect: "none",
}}
onClick={() =>
setPresetsOpenArr(prev => {
const next = [...prev];
next[i] = !next[i];
return next;
})
}
>
Presets
<span style={{ float: "right", fontWeight: "normal" }}>
{presetsOpenArr[i] ? "▲" : "▼"}
</span>
</div>
{presetsOpenArr[i] && (
<div
className="preset-menu-content"
style={{
background: "rgba(0,0,0,0.95)",
borderRadius: "0 0 4px 4px",
padding: "6px 0 6px 0",
display: "flex",
flexDirection: "column",
zIndex: 11,
}}
>
{WINDOW_LEVEL_PRESETS.map((preset) => (
<button
key={preset.name}
style={{
display: "block",
width: "100%",
margin: "2px 0",
background: "#333",
color: "#fff",
border: "none",
borderRadius: "3px",
cursor: "pointer",
padding: "4px 0",
fontSize: "13px",
opacity: 0.9,
}}
onClick={() => {
handleApplyPreset(i, preset.center, preset.width);
setPresetsOpenArr(prev => {
const next = [...prev];
next[i] = false;
return next;
});
}}
>
{preset.name}
</button>
))}
</div>
)}
</div>
</div>
{/* Position bar inside each viewport */}
{viewportModes[i] === "stack" && viewportImageIds[i] && (
<div
style={{
position: "absolute",
top: "10%",
right: 8,
width: "12px",
height: "80%",
maxHeight: "100%",
minHeight: 0,
zIndex: 30,
display: viewportImageIds[i].length > 0 ? "flex" : "none",
alignItems: "flex-start",
justifyContent: "center",
pointerEvents: "none",
flexDirection: "column",
padding: 0,
}}
>
<div
style={{
width: "8px",
height: "100%",
maxHeight: "100%",
minHeight: 0,
borderRadius: "6px",
background: "#222",
position: "relative",
display: "flex",
flexDirection: "column",
justifyContent: "flex-start",
boxShadow: "0 0 8px #2196f3cc",
overflow: "hidden",
}}
>
{viewportImageIds[i].map((id, idx) => {
const loaded = !!metaData.get("imagePlaneModule", id);
const renderingEngine = renderingEngineRef.current;
let currentIdx = -1;
if (
renderingEngine &&
typeof renderingEngine.getViewport === "function"
) {
const viewport = renderingEngine.getViewport(`CT_${i}`);
if (viewport && typeof viewport.getCurrentImageIdIndex === "function") {
currentIdx = viewport.getCurrentImageIdIndex();
}
}
const isCurrent = idx === currentIdx;
return (
<div
key={id}
style={{
width: "100%",
height: `${100 / viewportImageIds[i].length}%`,
background: isCurrent
? "linear-gradient(to right, #ffeb3b 60%, #ff9800 100%)"
: loaded
? "linear-gradient(to right, #4caf50 60%, #2196f3 100%)"
: "#444",
opacity: loaded ? 0.95 : 0.4,
transition: "background 0.3s, opacity 0.3s",
borderBottom:
idx < viewportImageIds[i].length - 1
? "1px solid #222"
: "none",
cursor: loaded ? "pointer" : "default",
pointerEvents: loaded ? "auto" : "none",
}}
title={
isCurrent
? `Current image #${idx + 1}`
: loaded
? `Go to image #${idx + 1}`
: `Loading...`
}
onClick={() => {
const renderingEngine = renderingEngineRef.current;
const viewport = renderingEngine?.getViewport(`CT_${i}`);
if (
viewport &&
typeof viewport.setImageIdIndex === "function" &&
viewportModes[i] === "stack"
) {
//viewport.setImageIdIndex(idx);
csUtilities.jumpToSlice(viewport.element, { imageIndex: idx })
//viewport.render();
updateOverlay(i, viewport);
}
}}
/>
);
})}
</div>
</div>
)}
<div
style={{
position: "absolute",
left: 8,
right: 8,
bottom: 8,
zIndex: 20,
display: "flex",
alignItems: "center",
justifyContent: "flex-end",
gap: "8px",
background: "rgba(34,34,34,0.85)",
borderRadius: "4px",
padding: "2px 8px",
}}
>
<select
value={selectedStackIdx[i] || 0}
onChange={e => handleLoadStack(i, Number(e.target.value))}
style={{
background: "#222",
color: "#fff",
border: "1px solid #444",
borderRadius: "4px",
padding: "2px 8px",
fontSize: "13px",
marginRight: "6px",
}}
>
{availableStacks.map((stack, idx) => (
<option key={idx} value={idx}>
Stack {idx + 1} ({stack.length} images)
</option>
))}
</select>
<button
style={{
background: "#1976d2",
color: "#fff",
border: "none",
borderRadius: "3px",
padding: "2px 12px",
cursor: "pointer",
fontSize: "13px",
}}
onClick={() => handleLoadStack(i, selectedStackIdx[i] || 0)}
disabled={!availableStacks.length}
>
Load Stack
</button>
</div>
</div>
);
}
return (
<div style={{
position: "relative",
width: "99vw",
height: "99vh",
background: "#111",
padding: "12px", // <-- Add this line
boxSizing: "border-box", // <-- Ensure padding doesn't shrink content
background: "#222",
// overflow: "hidden",
}}>
<div>
{/* Side menu toggle button */}
<button
style={{
position: "absolute",
top: "50%",
transform: "translateY(-50%)",
left: 20,
zIndex: 200,
width: 40,
height: 40,
background: "#222",
color: "#fff",
border: "none",
borderRadius: "50%",
fontWeight: "bold",
cursor: "pointer",
fontSize: "22px",
boxShadow: "0 2px 8px rgba(0,0,0,0.2)",
transition: "background 0.2s",
}}
onClick={() => setSideMenuOpen(open => !open)}
aria-label="Open menu"
>
</button>
{/* Side menu drawer */}
<div
style={{
position: "absolute",
top: 0,
left: sideMenuOpen ? 0 : -220,
width: 220,
height: "100%",
background: "#222",
color: "#fff",
zIndex: 199,
boxShadow: sideMenuOpen ? "2px 0 12px rgba(0,0,0,0.3)" : "none",
transition: "left 0.25s cubic-bezier(.4,2,.6,1)",
flexDirection: "column",
padding: "24px 16px 16px 16px",
display: sideMenuOpen ? "flex" : "none",
}}
>
<div style={{ fontWeight: "bold", fontSize: 18, marginBottom: 24 }}>
Menu
<button
style={{
float: "right",
background: "transparent",
color: "#fff",
border: "none",
fontSize: "22px",
cursor: "pointer",
}}
onClick={() => setSideMenuOpen(false)}
aria-label="Close menu"
>
×
</button>
</div>
<button
style={{
padding: "10px 18px",
background: "#333",
color: "#fff",
border: "none",
borderRadius: "4px",
fontWeight: "bold",
cursor: "pointer",
fontSize: "15px",
marginBottom: "18px",
width: "100%",
}}
onClick={() => fileInputRef.current?.click()}
>
Load DICOM Folder
</button>
<input
ref={fileInputRef}
type="file"
style={{ display: "none" }}
multiple
webkitdirectory="true"
directory="true"
onChange={handleFilesSelected}
accept=".dcm,application/dicom"
/>
<div
style={{
marginBottom: "18px",
display: "flex",
alignItems: "center",
gap: "8px",
}}
>
<input
type="checkbox"
id="orderBySliceLocation"
checked={orderBySliceLocation}
onChange={e => setOrderBySliceLocation(e.target.checked)}
style={{ accentColor: "#666" }}
/>
<label htmlFor="orderBySliceLocation" style={{ fontSize: "15px", cursor: "pointer" }}>
Order by Slice Location
</label>
</div>
<button
style={{
padding: "10px 18px",
background: "#333",
color: "#fff",
border: "none",
borderRadius: "4px",
fontWeight: "bold",
cursor: "pointer",
fontSize: "15px",
marginBottom: "18px",
width: "100%",
}}
onClick={handleShowMetadata}
>
Show DICOM Metadata
</button>
<button
style={{
padding: "10px 18px",
background: crossHairsEnabled ? "#1976d2" : "#333",
color: "#fff",
border: "none",
borderRadius: "4px",
fontWeight: "bold",
cursor: "pointer",
fontSize: "15px",
marginBottom: "18px",
width: "100%",
}}
onClick={() => setCrossHairsEnabled((prev) => !prev)}
>
{crossHairsEnabled ? "Disable" : "Enable"} Cross Reference Lines
</button>
<button
style={{
padding: "10px 18px",
background: referenceLinesEnabled ? "#1976d2" : "#333",
color: "#fff",
border: "none",
borderRadius: "4px",
fontWeight: "bold",
cursor: "pointer",
fontSize: "15px",
marginBottom: "18px",
width: "100%",
}}
onClick={() => setReferenceLinesEnabled((prev) => !prev)}
>
{referenceLinesEnabled ? "Disable" : "Enable"} Reference Lines
</button>
<button
onClick={sortViewportImageIdsBySliceLocation}
style={{ margin: 8, padding: 8 }}
>
Sort All Viewports by Slice Location
</button>
<button
style={{
padding: "10px 18px",
background: altEnablesReferenceCursors ? "#1976d2" : "#333",
color: "#fff",
border: "none",
borderRadius: "4px",
fontWeight: "bold",
cursor: "pointer",
fontSize: "15px",
marginBottom: "18px",
width: "100%",
}}
onClick={() => setAltEnablesReferenceCursors((prev) => !prev)}
>
{altEnablesReferenceCursors
? "Disable Alt Key for Reference Cursors"
: "Enable Alt Key for Reference Cursors"}
</button>
{/* Add more menu items here if needed */}
</div>
</div>
{/* Viewport grid menu at top center */}
<div
className="grid-menu-hover-container"
style={{
position: "absolute",
top: 0,
left: "50%",
transform: "translateX(-50%)",
zIndex: 100,
display: "flex",
flexDirection: "column",
alignItems: "center",
width: "auto",
height: "48px",
pointerEvents: "none", // Only the hit area and button will be interactive
}}
>
{/* Transparent hit area to catch hover/focus */}
<div
style={{
position: "absolute",
top: 0,
left: "50%",
transform: "translateX(-50%)",
width: 80,
height: 14,
zIndex: 1,
pointerEvents: "auto",
background: "transparent",
}}
onMouseEnter={() => setGridBtnActive(true)}
onFocus={() => setGridBtnActive(true)}
tabIndex={-1}
/>
<button
className="grid-menu-btn"
style={{
position: "relative",
top: gridBtnActive ? "0" : "-22px",
opacity: gridBtnActive ? 1 : 0.5,
transition: "top 0.25s cubic-bezier(.4,2,.6,1), opacity 0.2s",
padding: "6px 16px",
background: "#222",
color: "#fff",
border: "none",
borderRadius: "4px",
fontWeight: "bold",
cursor: "pointer",
fontSize: "15px",
marginRight: "8px",
boxShadow: "0 2px 8px rgba(0,0,0,0.2)",
pointerEvents: gridBtnActive ? "auto" : "none", // Only clickable when active
zIndex: 2,
}}
onMouseLeave={() => setGridBtnActive(false)}
onBlur={() => setGridBtnActive(false)}
onClick={() => setViewportMenuOpen(open => !open)}
tabIndex={0}
>
Grid: {viewportGrid.rows}x{viewportGrid.cols}
</button>
{viewportMenuOpen && (
<div
style={{
position: "absolute",
top: "110%",
left: "50%",
transform: "translateX(-50%)",
background: "#222",
color: "#fff",
borderRadius: "6px",
boxShadow: "0 2px 12px rgba(0,0,0,0.4)",
padding: "12px",
display: "grid",
gridTemplateColumns: "repeat(3, 40px)",
gap: "8px",
zIndex: 200,
pointerEvents: "auto",
}}
>
{gridOptions.map(opt => (
<button
key={`${opt.rows}x${opt.cols}`}
style={{
width: "40px",
height: "40px",
background: (opt.rows === viewportGrid.rows && opt.cols === viewportGrid.cols) ? "#444" : "#333",
color: "#fff",
border: "none",
borderRadius: "4px",
fontWeight: "bold",
cursor: "pointer",
fontSize: "15px",
}}
onClick={() => {
saveVisibleViewportState(viewportGrid, renderingEngineRef.current);
setViewportGrid({ rows: opt.rows, cols: opt.cols })
setViewportMenuOpen(false)
}}
>
{opt.rows}x{opt.cols}
</button>
))}
</div>
)}
</div>
{/* Viewport grid (inside main div) */}
<div
style={{
position: "absolute",
top: 0,
left: 0,
width: "100%",
height: "100%",
display: "grid",
margin: 3,
gridTemplateRows: `repeat(${viewportGrid.rows}, 1fr)`,
gridTemplateColumns: `repeat(${viewportGrid.cols}, 1fr)`,
gap: "5px", // Increase gap for better visibility
zIndex: 1,
}}
>
{viewports}
</div>
{/* Settings button at top right */}
<button
style={{
position: "absolute",
top: 8,
right: 8,
zIndex: 20,
padding: "6px 12px",
background: "#222",
color: "#fff",
border: "none",
borderRadius: "4px",
cursor: "pointer",
opacity: 0.85,
userSelect: "none",
}}
onClick={() => setSettingsOpen(true)}
>
Settings
</button>
{/* Settings Modal (viewport-local, not fixed to page) */}
{
settingsOpen && (
<div
style={{
position: "absolute",
top: 0,
left: 0,
width: "100%",
height: "100%",
background: "rgba(0,0,0,0.4)",
zIndex: 1000,
display: "flex",
alignItems: "center",
justifyContent: "center",
}}
onClick={() => setSettingsOpen(false)}
>
<div
style={{
background: "#222",
color: "#fff",
borderRadius: "8px",
minWidth: "320px",
minHeight: "180px",
padding: "24px",
boxShadow: "0 4px 24px rgba(0,0,0,0.4)",
position: "relative",
}}
onClick={e => e.stopPropagation()}
>
<div style={{ fontSize: "20px", marginBottom: "16px" }}>
Settings
</div>
{/* Settings content: Tool dropdowns */}
<div style={{ marginBottom: "24px" }}>
<div style={{ marginBottom: 12, fontWeight: "bold" }}>Mouse Button Tool Bindings</div>
{MOUSE_BUTTONS.map((btn) => (
<div key={btn.value} style={{ marginBottom: 10 }}>
<label style={{ marginRight: 8 }}>{btn.label} Button:</label>
<select
value={mouseToolBindings[btn.value]}
onChange={e => setMouseToolBindings(prev => ({ ...prev, [btn.value]: e.target.value }))}
style={{
background: "#333",
color: "#fff",
border: "1px solid #444",
borderRadius: "4px",
padding: "4px 8px",
fontSize: "14px",
}}
>
{TOOL_OPTIONS.map(opt => (
<option key={opt.value} value={opt.value}>{opt.label}</option>
))}
</select>
</div>
))}
{/* Expandable advanced mouse bindings */}
<div style={{ margin: "12px 0" }}>
<button
style={{
background: "#333",
color: "#fff",
border: "none",
borderRadius: "4px",
padding: "4px 12px",
cursor: "pointer",
fontSize: "14px",
marginBottom: "8px",
}}
onClick={() => setShowAdvancedMouseBindings(v => !v)}
>
{showAdvancedMouseBindings ? "Hide" : "Show"} Advanced Mouse Bindings
</button>
{showAdvancedMouseBindings && (
<div style={{ marginTop: 8 }}>
{ALL_MOUSE_BINDINGS.slice(3).map((btn) => (
<div key={btn.value} style={{ marginBottom: 10 }}>
<label style={{ marginRight: 8 }}>{btn.label}:</label>
<select
value={mouseToolBindings[btn.value] || ""}
onChange={e => setMouseToolBindings(prev => ({ ...prev, [btn.value]: e.target.value }))}
style={{
background: "#333",
color: "#fff",
border: "1px solid #444",
borderRadius: "4px",
padding: "4px 8px",
fontSize: "14px",
}}
>
<option value="">(None)</option>
{TOOL_OPTIONS.map(opt => (
<option key={opt.value} value={opt.value}>{opt.label}</option>
))}
</select>
</div>
))}
</div>
)}
</div>
{/* Ctrl + Mouse Button Tool Bindings */}
<div style={{ margin: "18px 0 8px 0", fontWeight: "bold" }}>Ctrl + Mouse Button Tool Bindings</div>
{MOUSE_BUTTONS.map((btn) => (
<div key={btn.value + "_ctrl"} style={{ marginBottom: 10 }}>
<label style={{ marginRight: 8 }}>{btn.label} + Ctrl:</label>
<select
value={ctrlMouseToolBindings[btn.value] || ""}
onChange={e => setCtrlMouseToolBindings(prev => ({ ...prev, [btn.value]: e.target.value }))}
style={{
background: "#333",
color: "#fff",
border: "1px solid #444",
borderRadius: "4px",
padding: "4px 8px",
fontSize: "14px",
}}
>
<option value="">(None)</option>
{TOOL_OPTIONS.map(opt => (
<option key={opt.value} value={opt.value}>{opt.label}</option>
))}
</select>
</div>
))}
{/* Expandable advanced ctrl+mouse bindings */}
{showAdvancedMouseBindings && (
<div style={{ marginTop: 8 }}>
{ALL_MOUSE_BINDINGS.slice(3).map((btn) => (
<div key={btn.value + "_ctrl"} style={{ marginBottom: 10 }}>
<label style={{ marginRight: 8 }}>{btn.label} + Ctrl:</label>
<select
value={ctrlMouseToolBindings[btn.value] || ""}
onChange={e => setCtrlMouseToolBindings(prev => ({ ...prev, [btn.value]: e.target.value }))}
style={{
background: "#333",
color: "#fff",
border: "1px solid #444",
borderRadius: "4px",
padding: "4px 8px",
fontSize: "14px",
}}
>
<option value="">(None)</option>
{TOOL_OPTIONS.map(opt => (
<option key={opt.value} value={opt.value}>{opt.label}</option>
))}
</select>
</div>
))}
</div>
)}
</div>
<button
style={{
position: "absolute",
top: 12,
right: 12,
background: "transparent",
color: "#fff",
border: "none",
fontSize: "20px",
cursor: "pointer",
}}
onClick={() => setSettingsOpen(false)}
aria-label="Close"
>
×
</button>
</div>
</div>
)
}
{
metaModalOpen && (
<div
style={{
position: "fixed",
top: 0,
left: 0,
width: "100vw",
height: "100vh",
background: "rgba(0,0,0,0.5)",
zIndex: 2000,
display: "flex",
alignItems: "center",
justifyContent: "center",
}}
onClick={() => setMetaModalOpen(false)}
>
<div
style={{
background: "#222",
color: "#fff",
borderRadius: "8px",
minWidth: "320px",
maxWidth: "80vw",
maxHeight: "80vh",
padding: "24px",
boxShadow: "0 4px 24px rgba(0,0,0,0.4)",
position: "relative",
overflow: "auto",
}}
onClick={e => e.stopPropagation()}
>
<div style={{ fontSize: "20px", marginBottom: "16px" }}>
DICOM Metadata
</div>
{metaModalContent}
<button
style={{
position: "absolute",
top: 12,
right: 12,
background: "transparent",
color: "#fff",
border: "none",
fontSize: "20px",
cursor: "pointer",
}}
onClick={() => setMetaModalOpen(false)}
aria-label="Close"
>
×
</button>
</div>
</div>
)
}
{/* ...rest of your UI... */}
</div >
)
}
export default App
function setupTools() {
cornerstoneTools.addTool(PanTool)
cornerstoneTools.addTool(WindowLevelTool)
cornerstoneTools.addTool(StackScrollTool)
cornerstoneTools.addTool(ZoomTool)
cornerstoneTools.addTool(PlanarRotateTool)
cornerstoneTools.addTool(LengthTool)
cornerstoneTools.addTool(ProbeTool)
cornerstoneTools.addTool(ArrowAnnotateTool)
cornerstoneTools.addTool(RectangleROITool)
cornerstoneTools.addTool(EllipticalROITool)
cornerstoneTools.addTool(PlanarFreehandROITool)
cornerstoneTools.addTool(PlanarFreehandContourSegmentationTool)
cornerstoneTools.addTool(SculptorTool)
cornerstoneTools.addTool(ReferenceCursors)
cornerstoneTools.addTool(CrosshairsTool)
cornerstoneTools.addTool(ReferenceLinesTool);
let mainToolGroup = ToolGroupManager.getToolGroup(MAIN_TOOL_GROUP_ID);
if (!mainToolGroup) {
mainToolGroup = ToolGroupManager.createToolGroup(MAIN_TOOL_GROUP_ID);
// Add all tools you need for both stack and volume
mainToolGroup.addTool(WindowLevelTool.toolName);
mainToolGroup.addTool(PanTool.toolName);
mainToolGroup.addTool(ZoomTool.toolName);
mainToolGroup.addTool(StackScrollTool.toolName, { loop: false });
mainToolGroup.addTool(PlanarRotateTool.toolName);
mainToolGroup.addTool(LengthTool.toolName);
mainToolGroup.addTool(ArrowAnnotateTool.toolName, { getTextCallback: () => '' });
mainToolGroup.addTool(ProbeTool.toolName, { statsCalculator: () => null });
mainToolGroup.addTool(RectangleROITool.toolName, { calculateStats: false, getTextCallback: () => '' });
mainToolGroup.addTool(EllipticalROITool.toolName, { getTextCallback: () => '' });
mainToolGroup.addTool(PlanarFreehandROITool.toolName, { calculateStats: false });
mainToolGroup.addTool(PlanarFreehandContourSegmentationTool.toolName, {});
mainToolGroup.addTool(SculptorTool.toolName, {});
//mainToolGroup.addTool(CrosshairsTool.toolName);
mainToolGroup.addTool(ReferenceLinesTool.toolName);
mainToolGroup.addTool(ReferenceCursors.toolName);
}
return { mainToolGroup };
}