470 lines
17 KiB
JavaScript
470 lines
17 KiB
JavaScript
import { Session } from 'meteor/session';
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import { $ } from 'meteor/jquery';
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import { OHIF } from 'meteor/ohif:core';
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import { getFrameOfReferenceUID } from './getFrameOfReferenceUID';
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import { updateCrosshairsSynchronizer } from './updateCrosshairsSynchronizer';
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import { crosshairsSynchronizers } from './crosshairsSynchronizers';
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import { annotateTextUtils } from './annotateTextUtils';
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import { textMarkerUtils } from './textMarkerUtils';
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let defaultTool = 'wwwc';
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let activeTool;
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let tools = {};
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let gestures = {
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zoomTouchPinch: {
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enabled: true
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},
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panMultiTouch: {
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enabled: true
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},
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stackScrollMultiTouch: {
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enabled: true
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},
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doubleTapZoom: {
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enabled: true
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}
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};
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let toolDefaultStates = {
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activate: [],
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deactivate: ['length', 'angle', 'annotate', 'ellipticalRoi', 'rectangleRoi', 'spine'],
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enable: [],
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disable: [],
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disabledToolButtons: [],
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shadowConfig: {
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shadow: false,
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shadowColor: '#000000',
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shadowOffsetX: 0,
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shadowOffsetY: 0
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},
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textBoxConfig: {
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centering: {
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x: true,
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y: true
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}
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}
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};
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let initialized = false;
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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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toolManager.addTool('wwwc', {
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mouse: cornerstoneTools.wwwc,
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touch: cornerstoneTools.wwwcTouchDrag
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});
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toolManager.addTool('zoom', {
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mouse: cornerstoneTools.zoom,
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touch: cornerstoneTools.zoomTouchDrag
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});
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toolManager.addTool('wwwcRegion', {
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mouse: cornerstoneTools.wwwcRegion,
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touch: cornerstoneTools.wwwcRegionTouch
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});
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toolManager.addTool('dragProbe', {
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mouse: cornerstoneTools.dragProbe,
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touch: cornerstoneTools.dragProbeTouch
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});
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toolManager.addTool('pan', {
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mouse: cornerstoneTools.pan,
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touch: cornerstoneTools.panTouchDrag
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});
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toolManager.addTool('stackScroll', {
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mouse: cornerstoneTools.stackScroll,
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touch: cornerstoneTools.stackScrollTouchDrag
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});
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toolManager.addTool('length', {
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mouse: cornerstoneTools.length,
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touch: cornerstoneTools.lengthTouch
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});
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toolManager.addTool('angle', {
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mouse: cornerstoneTools.simpleAngle,
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touch: cornerstoneTools.simpleAngleTouch
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});
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toolManager.addTool('magnify', {
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mouse: cornerstoneTools.magnify,
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touch: cornerstoneTools.magnifyTouchDrag
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});
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toolManager.addTool('ellipticalRoi', {
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mouse: cornerstoneTools.ellipticalRoi,
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touch: cornerstoneTools.ellipticalRoiTouch
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});
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toolManager.addTool('rectangleRoi', {
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mouse: cornerstoneTools.rectangleRoi,
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touch: cornerstoneTools.rectangleRoiTouch
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});
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toolManager.addTool('annotate', {
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mouse: cornerstoneTools.arrowAnnotate,
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touch: cornerstoneTools.arrowAnnotateTouch
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});
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toolManager.addTool('rotate', {
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mouse: cornerstoneTools.rotate,
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touch: cornerstoneTools.rotateTouchDrag
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});
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toolManager.addTool('spine', {
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mouse: cornerstoneTools.textMarker,
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touch: cornerstoneTools.textMarkerTouch
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});
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toolManager.addTool('crosshairs', {
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mouse: cornerstoneTools.crosshairs,
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touch: cornerstoneTools.crosshairsTouch
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});
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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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defaultTool = OHIF.viewer.defaultTool;
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activeTool = defaultTool;
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}
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this.configureTools();
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initialized = true;
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},
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configureTools() {
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// Get Cornerstone Tools
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const { panMultiTouch, textStyle, toolStyle, toolColors,
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length, arrowAnnotate, zoom, ellipticalRoi,
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textMarker, magnify } = cornerstoneTools;
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// Set the configuration for the multitouch pan tool
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const multiTouchPanConfig = {
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testPointers: eventData => {
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return (eventData.numPointers >= 3);
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}
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};
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panMultiTouch.setConfiguration(multiTouchPanConfig);
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// Set text box background color
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textStyle.setBackgroundColor('transparent');
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// Set the tool font and font size
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// context.font = "[style] [variant] [weight] [size]/[line height] [font family]";
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const fontFamily = 'Roboto, OpenSans, HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif';
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textStyle.setFont('15px ' + fontFamily);
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// Set the tool width
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toolStyle.setToolWidth(2);
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// Set color for inactive tools
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toolColors.setToolColor('rgb(255, 255, 0)');
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// Set color for active tools
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toolColors.setActiveColor('rgb(0, 255, 0)');
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// Set shadow configuration
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const shadowConfig = toolManager.getToolDefaultStates().shadowConfig;
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// Get some tools config to not override them
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const lengthConfig = length.getConfiguration();
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const ellipticalRoiConfig = ellipticalRoi.getConfiguration();
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// Add shadow to length tool
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length.setConfiguration({
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...lengthConfig,
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...shadowConfig,
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drawHandlesOnHover: true
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});
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// Add shadow to length tool
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ellipticalRoi.setConfiguration({
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...ellipticalRoiConfig,
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...shadowConfig
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});
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// Set the configuration values for the Text Marker (Spine Labelling) tool
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const startFrom = $('#startFrom');
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const ascending = $('#ascending');
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const textMarkerConfig = {
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markers: [ 'L5', 'L4', 'L3', 'L2', 'L1', // Lumbar spine
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'T12', 'T11', 'T10', 'T9', 'T8', 'T7', // Thoracic spine
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'T6', 'T5', 'T4', 'T3', 'T2', 'T1',
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'C7', 'C6', 'C5', 'C4', 'C3', 'C2', 'C1', // Cervical spine
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],
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current: startFrom.val(),
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ascending: ascending.is(':checked'),
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loop: true,
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changeTextCallback: textMarkerUtils.changeTextCallback,
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shadow: shadowConfig.shadow,
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shadowColor: shadowConfig.shadowColor,
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shadowOffsetX: shadowConfig.shadowOffsetX,
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shadowOffsetY: shadowConfig.shadowOffsetY
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};
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textMarker.setConfiguration(textMarkerConfig);
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// Set the configuration values for the text annotation (Arrow) tool
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const annotateConfig = {
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getTextCallback: annotateTextUtils.getTextCallback,
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changeTextCallback: annotateTextUtils.changeTextCallback,
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drawHandles: false,
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arrowFirst: true
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};
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arrowAnnotate.setConfiguration(annotateConfig);
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const zoomConfig = {
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minScale: 0.05,
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maxScale: 10
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};
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zoom.setConfiguration(zoomConfig);
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const magnifyConfig = {
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magnifySize: 300,
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magnificationLevel: 3
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};
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magnify.setConfiguration(magnifyConfig);
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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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configureLoadProcess() {
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// Whenever the 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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$(cornerstone).on('CornerstoneImageLoadProgress', (e, eventData) => {
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viewportIndices = this.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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},
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setGestures(newGestures) {
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gestures = newGestures;
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},
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getGestures() {
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return gestures;
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},
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addTool(name, base) {
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tools[name] = base;
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},
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getTools() {
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return tools;
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},
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setToolDefaultStates(states) {
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toolDefaultStates = states;
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},
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getToolDefaultStates() {
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return toolDefaultStates;
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},
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setActiveToolForElement(tool, element) {
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const canvases = $(element).find('canvas');
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if (element.classList.contains('empty') || !canvases.length) {
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return;
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}
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// First, deactivate the current active tool
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tools[activeTool].mouse.deactivate(element, 1);
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if (tools[activeTool].touch) {
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tools[activeTool].touch.deactivate(element);
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}
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// Enable tools based on their default states
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Object.keys(toolDefaultStates).forEach( action => {
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const relevantTools = toolDefaultStates[action];
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if (!relevantTools || !relevantTools.length || action === 'disabledToolButtons') {
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return;
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}
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relevantTools.forEach( toolType => {
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// the currently active tool has already been deactivated and can be skipped
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if (action === 'deactivate' && toolType === activeTool) {
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return;
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}
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tools[toolType].mouse[action](
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element,
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(action === 'activate' || action === 'deactivate' ? 1 : void 0)
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);
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tools[toolType].touch[action](element);
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});
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});
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// Get the stack toolData
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const toolData = cornerstoneTools.getToolState(element, 'stack');
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if (!toolData || !toolData.data || !toolData.data.length) {
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return;
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}
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// Get the imageIds for this element
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const imageIds = toolData.data[0].imageIds;
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// Deactivate all the middle mouse, right click, and scroll wheel tools
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cornerstoneTools.pan.deactivate(element);
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cornerstoneTools.zoom.deactivate(element);
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cornerstoneTools.zoomWheel.deactivate(element);
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cornerstoneTools.stackScrollWheel.deactivate(element);
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cornerstoneTools.panMultiTouch.disable(element);
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cornerstoneTools.zoomTouchPinch.disable(element);
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cornerstoneTools.stackScrollMultiTouch.disable(element);
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cornerstoneTools.doubleTapZoom.disable(element);
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// Reactivate the middle mouse and right click tools
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cornerstoneTools.zoom.activate(element, 4); // zoom is the default tool for right mouse button
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// Reactivate the relevant scrollwheel tool for this element
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let multiTouchPanConfig;
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if (imageIds.length > 1) {
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// scroll is the default tool for middle mouse wheel for stacks
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cornerstoneTools.stackScrollWheel.activate(element);
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if (gestures['stackScrollMultiTouch'].enabled === true) {
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cornerstoneTools.stackScrollMultiTouch.activate(element); // Three finger scroll
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}
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multiTouchPanConfig = {
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testPointers(eventData) {
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return (eventData.numPointers === 2);
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}
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};
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cornerstoneTools.panMultiTouch.setConfiguration(multiTouchPanConfig);
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} else {
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// zoom is the default tool for middle mouse wheel for single images (non stacks)
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cornerstoneTools.zoomWheel.activate(element);
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multiTouchPanConfig = {
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testPointers(eventData) {
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return (eventData.numPointers >= 2);
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}
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};
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cornerstoneTools.panMultiTouch.setConfiguration(multiTouchPanConfig);
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}
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// This block ensures that the middle mouse and scroll tools keep working
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if (tool === 'pan') {
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cornerstoneTools.pan.activate(element, 3); // 3 means left mouse button and middle mouse button
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} else if (tool === 'crosshairs') {
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cornerstoneTools.pan.activate(element, 2); // pan is the default tool for middle mouse button
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const currentFrameOfReferenceUID = getFrameOfReferenceUID(element);
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if (currentFrameOfReferenceUID) {
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updateCrosshairsSynchronizer(currentFrameOfReferenceUID);
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const synchronizer = crosshairsSynchronizers.synchronizers[currentFrameOfReferenceUID];
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// Activate the chosen tool
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tools[tool].mouse.activate(element, 1, synchronizer);
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}
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} else if (tool === 'zoom') {
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cornerstoneTools.pan.activate(element, 2); // pan is the default tool for middle mouse button
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cornerstoneTools.zoom.activate(element, 5); // 5 means left mouse button and right mouse button
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} else {
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// Reactivate the middle mouse and right click tools
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cornerstoneTools.pan.activate(element, 2); // pan is the default tool for middle mouse button
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// Activate the chosen tool
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tools[tool].mouse.activate(element, 1);
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}
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if (tools[tool].touch) {
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tools[tool].touch.activate(element);
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}
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if (gestures['zoomTouchPinch'].enabled === true) {
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cornerstoneTools.zoomTouchPinch.activate(element); // Two finger pinch
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}
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if (gestures['panMultiTouch'].enabled === true) {
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cornerstoneTools.panMultiTouch.activate(element); // Two or >= Two finger pan
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}
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if (gestures['doubleTapZoom'].enabled === true) {
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cornerstoneTools.doubleTapZoom.activate(element);
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}
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},
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setActiveTool(tool, elements) {
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if (!initialized) {
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toolManager.init();
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}
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/**
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* TODO: Add textMarkerDialogs template to OHIF's
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*/
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const dialog = document.getElementById('textMarkerOptionsDialog');
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if(dialog) {
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if (tool === 'spine' && activeTool !== 'spine' && dialog.getAttribute('open') !== 'open') {
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dialog.show();
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} else if(activeTool !== 'spine' && dialog.getAttribute("open") === "open") {
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dialog.close();
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}
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}
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/**
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* TODO: Use Session variables to activate a button and use Helpers like in toolbarSectionButton.js from OHIF’s.
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*/
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// Set the div to active for the tool
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$('.imageViewerButton').removeClass('active');
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const toolButton = document.getElementById(tool);
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if (toolButton) {
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toolButton.classList.add('active');
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}
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if (!tool) {
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tool = defaultTool;
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}
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if (!elements || !elements.length) {
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elements = $('.imageViewerViewport');
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}
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// Otherwise, set the active tool for all viewport elements
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$(elements).each((index, element) => {
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toolManager.setActiveToolForElement(tool, element);
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});
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activeTool = tool;
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// Store the active tool in the session in order to enable reactivity
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Session.set('ToolManagerActiveTool', tool);
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},
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getActiveTool() {
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// If toolManager is not initialized, we should set as defaultTool
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if (!initialized) {
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activeTool = defaultTool;
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}
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return activeTool;
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},
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setDefaultTool(tool) {
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defaultTool = tool;
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},
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getDefaultTool() {
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return defaultTool;
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},
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setConfigureTools(configureTools) {
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if(typeof configureTools === 'function') {
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this.configureTools = configureTools;
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}
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},
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activateCommandButton(button) {
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const activeCommandButtons = Session.get('ToolManagerActiveCommandButtons') || [];
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if(activeCommandButtons.indexOf(button) === -1) {
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activeCommandButtons.push(button);
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Session.set('ToolManagerActiveCommandButtons', activeCommandButtons);
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}
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},
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deactivateCommandButton(button) {
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const activeCommandButtons = Session.get('ToolManagerActiveCommandButtons') || [];
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const index = activeCommandButtons.indexOf(button);
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if(index !== -1) {
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activeCommandButtons.splice(index, 1);
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Session.set('ToolManagerActiveCommandButtons', activeCommandButtons);
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}
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}
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};
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