162 lines
4.4 KiB
JavaScript
162 lines
4.4 KiB
JavaScript
import { Session } from 'meteor/session';
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import { Random } from 'meteor/random';
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import { OHIF } from 'meteor/ohif:core';
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import { cornerstone, cornerstoneTools } from 'meteor/ohif:cornerstone';
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let activeTool;
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let tools = [];
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let initialized = false;
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let defaultTool = {
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left: 'wwwc',
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right: 'zoom',
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middle: 'pan'
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};
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const buttonNum = {
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'left': 1,
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'right': 4,
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'middle': 2
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};
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/**
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* Exported "toolManager" Singleton
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*/
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export const toolManager = {
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init() {
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// if a default tool is globally defined, make it the default tool...
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if (OHIF.viewer.defaultTool) {
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toolManager.setDefaultTool(OHIF.viewer.defaultTool);
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}
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toolManager.cTools = cornerstoneTools.init();
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tools = [
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'length',
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'angle',
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'arrowAnnotate',
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'wwwc',
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'zoom',
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'pan',
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'dragProbe',
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'magnify',
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'crosshairs',
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'stackScroll',
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'stackScrollMouseWheel',
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'zoomTouchPinch',
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'zoomMouseWheel',
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'ellipticalRoi',
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'rectangleRoi',
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'wwwcRegion'
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];
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initialized = true;
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},
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/**
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* This function searches an object to return the keys that contain a specific value
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*
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* @param object {object} The object to be searched
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* @param value The value to be found
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*
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* @returns {array} The keys for which the object has the specified value
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*/
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getKeysByValue(object, value) {
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// http://stackoverflow.com/questions/9907419/javascript-object-get-key-by-value
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return Object.keys(object).filter(key => object[key] === value);
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},
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getMouseButtonMask(button) {
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return buttonNum[button] || undefined;
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},
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configureLoadProcess() {
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// Whenever CornerstoneImageLoadProgress is fired, identify which viewports
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// the "in-progress" image is to be displayed in. Then pass the percent complete
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// via the Meteor Session to the other templates to be displayed in the relevant viewports.
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function handleLoadProgress (e) {
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const eventData = e.detail;
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const viewportIndices = toolManager.getKeysByValue(window.ViewportLoading, eventData.imageId);
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viewportIndices.forEach(viewportIndex => {
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Session.set('CornerstoneLoadProgress' + viewportIndex, eventData.percentComplete);
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});
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const encodedId = OHIF.string.encodeId(eventData.imageId);
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Session.set('CornerstoneThumbnailLoadProgress' + encodedId, eventData.percentComplete);
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}
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cornerstone.events.removeEventListener('cornerstoneimageloadprogress', handleLoadProgress);
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cornerstone.events.addEventListener('cornerstoneimageloadprogress', handleLoadProgress);
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},
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getTools() {
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return tools;
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},
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setActiveTool(toolName, button = 'left') {
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let options = {};
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const mouseButtonMask = toolManager.getMouseButtonMask(button);
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if (mouseButtonMask) {
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options = {
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mouseButtonMask
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}
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}
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toolManager.setAllToolsPassive();
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toolManager.cTools.setToolActive(toolName, options);
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// TODO: add the active tool with the correct button
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activeTool[button] = toolName;
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// Enable reactivity
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Session.set('ToolManagerActiveToolUpdated', Random.id());
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},
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setAllToolsPassive() {
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toolManager.cTools.store.state.tools.forEach((tool) => {
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toolManager.cTools.setToolPassive(tool.name)
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})
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},
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instantiateTools() {
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Array.from(tools).forEach(toolName => {
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const apiTool = cornerstoneTools[`${toolName}Tool`];
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if (apiTool) {
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toolManager.cTools.addTool(apiTool);
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}
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});
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toolManager.setAllToolsPassive();
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},
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getNearbyToolData() {
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return undefined;
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},
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getActiveTool(button = 'left') {
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if (!initialized) {
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toolManager.init();
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}
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// If activeTool is not defined, we should set as defaultTool
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if (!activeTool) {
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activeTool = defaultTool;
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}
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return activeTool[button];
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},
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setDefaultTool(tool, button = 'left') {
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defaultTool[button] = tool;
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},
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getDefaultTool(button = 'left') {
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return defaultTool[button];
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},
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activateCommandButton(button) {
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//
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},
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deactivateCommandButton(button) {
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//
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}
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};
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