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import { eventTarget } from '@cornerstonejs/core';
import { Types as OhifTypes, pubSubServiceInterface } from '@ohif/core';
import getActiveViewportEnabledElement from '../../utils/getActiveViewportEnabledElement';
const EVENTS = {
VIEWPORT_ADDED: 'event::cornerstone::toolgroupservice:viewportadded',
TOOLGROUP_CREATED: 'event::cornerstone::toolgroupservice:toolgroupcreated',
TOOL_ACTIVATED: 'event::cornerstone::toolgroupservice:toolactivated',
PRIMARY_TOOL_ACTIVATED: 'event::cornerstone::toolgroupservice:primarytoolactivated',
};
type Tool = {
toolName: string;
bindings?: typeof Enums.MouseBindings | Enums.KeyboardBindings;
};
type Tools = {
active: Tool[];
passive?: Tool[];
enabled?: Tool[];
disabled?: Tool[];
};
export default class ToolGroupService {
public static REGISTRATION = {
name: 'toolGroupService',
altName: 'ToolGroupService',
create: ({ servicesManager }: OhifTypes.Extensions.ExtensionParams): ToolGroupService => {
return new ToolGroupService(servicesManager);
},
};
servicesManager: AppTypes.ServicesManager;
cornerstoneViewportService: any;
viewportGridService: any;
uiNotificationService: any;
private toolGroupIds: Set<string> = new Set();
/**
* Service-specific
*/
listeners: { [key: string]: Function[] };
EVENTS: { [key: string]: string };
constructor(servicesManager: AppTypes.ServicesManager) {
const { cornerstoneViewportService, viewportGridService, uiNotificationService } =
servicesManager.services;
this.cornerstoneViewportService = cornerstoneViewportService;
this.viewportGridService = viewportGridService;
this.uiNotificationService = uiNotificationService;
this.listeners = {};
this.EVENTS = EVENTS;
Object.assign(this, pubSubServiceInterface);
this._init();
}
onModeExit() {
this.destroy();
}
private _init() {
eventTarget.addEventListener(Enums.Events.TOOL_ACTIVATED, this._onToolActivated);
}
/**
* Retrieves a tool group from the ToolGroupManager by tool group ID.
* If no tool group ID is provided, it retrieves the tool group of the active viewport.
* @param toolGroupId - Optional ID of the tool group to retrieve.
* @returns The tool group or undefined if it is not found.
*/
public getToolGroup(toolGroupId?: string): Types.IToolGroup | void {
let toolGroupIdToUse = toolGroupId;
if (!toolGroupIdToUse) {
// Use the active viewport's tool group if no tool group id is provided
const enabledElement = getActiveViewportEnabledElement(this.viewportGridService);
Iif (!enabledElement) {
return;
}
const { renderingEngineId, viewportId } = enabledElement;
const toolGroup = ToolGroupManager.getToolGroupForViewport(viewportId, renderingEngineId);
Iif (!toolGroup) {
console.warn(
'No tool group found for viewportId:',
viewportId,
'and renderingEngineId:',
renderingEngineId
);
return;
}
toolGroupIdToUse = toolGroup.id;
}
const toolGroup = ToolGroupManager.getToolGroup(toolGroupIdToUse);
return toolGroup;
}
public getToolGroupIds(): string[] {
return Array.from(this.toolGroupIds);
}
public getToolGroupForViewport(viewportId: string): Types.IToolGroup | void {
const renderingEngine = this.cornerstoneViewportService.getRenderingEngine();
return ToolGroupManager.getToolGroupForViewport(viewportId, renderingEngine.id);
}
public getActiveToolForViewport(viewportId: string): string {
const toolGroup = this.getToolGroupForViewport(viewportId);
if (!toolGroup) {
return;
}
return toolGroup.getActivePrimaryMouseButtonTool();
}
public destroy(): void {
ToolGroupManager.destroy();
this.toolGroupIds = new Set();
eventTarget.removeEventListener(Enums.Events.TOOL_ACTIVATED, this._onToolActivated);
}
public destroyToolGroup(toolGroupId: string): void {
ToolGroupManager.destroyToolGroup(toolGroupId);
this.toolGroupIds.delete(toolGroupId);
}
public removeViewportFromToolGroup(
viewportId: string,
renderingEngineId: string,
deleteToolGroupIfEmpty?: boolean
): void {
const toolGroup = ToolGroupManager.getToolGroupForViewport(viewportId, renderingEngineId);
if (!toolGroup) {
return;
}
toolGroup.removeViewports(renderingEngineId, viewportId);
const viewportIds = toolGroup.getViewportIds();
Iif (viewportIds.length === 0 && deleteToolGroupIfEmpty) {
ToolGroupManager.destroyToolGroup(toolGroup.id);
}
}
public addViewportToToolGroup(
viewportId: string,
renderingEngineId: string,
toolGroupId?: string
): void {
Iif (!toolGroupId) {
// If toolGroupId is not provided, add the viewport to all toolGroups
const toolGroups = ToolGroupManager.getAllToolGroups();
toolGroups.forEach(toolGroup => {
toolGroup.addViewport(viewportId, renderingEngineId);
});
} else {
let toolGroup = ToolGroupManager.getToolGroup(toolGroupId);
Iif (!toolGroup) {
toolGroup = this.createToolGroup(toolGroupId);
}
toolGroup.addViewport(viewportId, renderingEngineId);
}
this._broadcastEvent(EVENTS.VIEWPORT_ADDED, {
viewportId,
toolGroupId,
});
}
public createToolGroup(toolGroupId: string): Types.IToolGroup {
Iif (this.getToolGroup(toolGroupId)) {
throw new Error(`ToolGroup ${toolGroupId} already exists`);
}
// if the toolGroup doesn't exist, create it
const toolGroup = ToolGroupManager.createToolGroup(toolGroupId);
this.toolGroupIds.add(toolGroupId);
this._broadcastEvent(EVENTS.TOOLGROUP_CREATED, {
toolGroupId,
});
return toolGroup;
}
public addToolsToToolGroup(toolGroupId: string, tools: Array<Tool>, configs: any = {}): void {
const toolGroup = ToolGroupManager.getToolGroup(toolGroupId);
// this.changeConfigurationIfNecessary(toolGroup, volumeId);
this._addTools(toolGroup, tools, configs);
this._setToolsMode(toolGroup, tools);
}
public createToolGroupAndAddTools(toolGroupId: string, tools: Array<Tool>): Types.IToolGroup {
const toolGroup = this.createToolGroup(toolGroupId);
this.addToolsToToolGroup(toolGroupId, tools);
return toolGroup;
}
/**
* Get the tool's configuration based on the tool name and tool group id
* @param toolGroupId - The id of the tool group that the tool instance belongs to.
* @param toolName - The name of the tool
* @returns The configuration of the tool.
*/
public getToolConfiguration(toolGroupId: string, toolName: string) {
const toolGroup = ToolGroupManager.getToolGroup(toolGroupId);
Iif (!toolGroup) {
return null;
}
const tool = toolGroup.getToolInstance(toolName);
Iif (!tool) {
return null;
}
return tool.configuration;
}
/**
* Set the tool instance configuration. This will update the tool instance configuration
* on the toolGroup
* @param toolGroupId - The id of the tool group that the tool instance belongs to.
* @param toolName - The name of the tool
* @param config - The configuration object that you want to set.
*/
public setToolConfiguration(toolGroupId, toolName, config) {
const toolGroup = ToolGroupManager.getToolGroup(toolGroupId);
const toolInstance = toolGroup.getToolInstance(toolName);
toolInstance.configuration = config;
}
public getActivePrimaryMouseButtonTool(toolGroupId?: string): string {
return this.getToolGroup(toolGroupId)?.getActivePrimaryMouseButtonTool();
}
private _setToolsMode(toolGroup, tools) {
const { active, passive, enabled, disabled } = tools;
if (active) {
active.forEach(({ toolName, bindings }) => {
toolGroup.setToolActive(toolName, { bindings });
});
}
if (passive) {
passive.forEach(({ toolName }) => {
toolGroup.setToolPassive(toolName);
});
}
if (enabled) {
enabled.forEach(({ toolName }) => {
toolGroup.setToolEnabled(toolName);
});
}
if (disabled) {
disabled.forEach(({ toolName }) => {
toolGroup.setToolDisabled(toolName);
});
}
}
private _addTools(toolGroup, tools) {
const addTools = tools => {
tools.forEach(({ toolName, parentTool, configuration }) => {
if (parentTool) {
toolGroup.addToolInstance(toolName, parentTool, {
...configuration,
});
} else {
toolGroup.addTool(toolName, { ...configuration });
}
});
};
if (tools.active) {
addTools(tools.active);
}
if (tools.passive) {
addTools(tools.passive);
}
if (tools.enabled) {
addTools(tools.enabled);
}
if (tools.disabled) {
addTools(tools.disabled);
}
}
private _onToolActivated = (evt: Types.EventTypes.ToolActivatedEventType) => {
const { toolGroupId, toolName, toolBindingsOptions } = evt.detail;
const isPrimaryTool = toolBindingsOptions.bindings?.some(
binding => binding.mouseButton === Enums.MouseBindings.Primary
);
const callbackProps = {
toolGroupId,
toolName,
toolBindingsOptions,
};
this._broadcastEvent(EVENTS.TOOL_ACTIVATED, callbackProps);
if (isPrimaryTool) {
this._broadcastEvent(EVENTS.PRIMARY_TOOL_ACTIVATED, callbackProps);
}
};
}
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