chore(release): publish [skip ci]

- @ohif/extension-vtk@0.52.13
 - @ohif/viewer@1.10.3

.circleci/config.yml

@@ -315,6 +315,7 @@ workflows:
           working_directory: platform/viewer
           build: npx cross-env QUICK_BUILD=true yarn run build:package
           start: yarn run test:e2e:serve
+          spec: 'cypress/integration/common/**/*'
           wait-on: 'http://localhost:3000'
           cache-key: 'yarn-packages-{{ checksum "yarn.lock" }}'
           no-workspace: true # Don't persist workspace
@@ -344,6 +345,7 @@ workflows:
           build: npx cross-env QUICK_BUILD=true yarn run build
           start: yarn run test:e2e:serve
           wait-on: 'http://localhost:3000'
+          command: 'yarn run test:e2e:ci'
           cache-key: 'yarn-packages-{{ checksum "yarn.lock" }}'
           no-workspace: true # Don't persist workspace
           post-steps:
@@ -364,6 +366,7 @@ workflows:
           working_directory: platform/viewer
           build: npx cross-env QUICK_BUILD=true yarn run build:package
           start: yarn run test:e2e:serve
+          spec: 'cypress/integration/common/**/*'
           wait-on: 'http://localhost:3000'
           cache-key: 'yarn-packages-{{ checksum "yarn.lock" }}'
           no-workspace: true # Don't persist workspace

.env.example

@@ -0,0 +1 @@
+PERCY_TOKEN=<your token here>

.gitignore

@@ -21,6 +21,7 @@ npm-debug.log
 package-lock.json
 yarn-error.log
 .DS_Store
+.env
 
 # Common Example Data Directories
 sampledata/

.webpack/webpack.base.js

@@ -1,5 +1,9 @@
+// ~~ ENV
+const dotenv = require('dotenv');
+//
 const path = require('path');
 const webpack = require('webpack');
+const PACKAGE = require('../platform/viewer/package.json');
 // ~~ RULES
 const loadShadersRule = require('./rules/loadShaders.js');
 const loadWebWorkersRule = require('./rules/loadWebWorkers.js');
@@ -9,6 +13,10 @@ const TerserJSPlugin = require('terser-webpack-plugin');
 // ~~ ENV VARS
 const NODE_ENV = process.env.NODE_ENV;
 const QUICK_BUILD = process.env.QUICK_BUILD;
+const BUILD_NUM = process.env.CIRCLE_BUILD_NUM || '0';
+
+//
+dotenv.config();
 
 module.exports = (env, argv, { SRC_DIR, DIST_DIR }) => {
   if (!process.env.NODE_ENV) {
@@ -68,6 +76,8 @@ module.exports = (env, argv, { SRC_DIR, DIST_DIR }) => {
         'process.env.DEBUG': JSON.stringify(process.env.DEBUG),
         'process.env.APP_CONFIG': JSON.stringify(process.env.APP_CONFIG || ''),
         'process.env.PUBLIC_URL': JSON.stringify(process.env.PUBLIC_URL || '/'),
+        'process.env.VERSION_NUMBER': JSON.stringify(PACKAGE.version || ''),
+        'process.env.BUILD_NUM': JSON.stringify(BUILD_NUM),
       }),
     ],
     // Fix: https://github.com/webpack-contrib/css-loader/issues/447#issuecomment-285598881

README.md

@@ -26,6 +26,7 @@
 [![Netlify Status][netlify-image]][netlify-url]
 [![CircleCI][circleci-image]][circleci-url]
 [![codecov][codecov-image]][codecov-url]
+[![This project is using Percy.io for visual regression testing.][percy-image]](percy-url)
 [![All Contributors](https://img.shields.io/badge/all_contributors-10-orange.svg?style=flat-square)](#contributors)
 <!-- prettier-ignore-end -->
 
@@ -288,6 +289,8 @@ MIT © [OHIF](https://github.com/OHIF)
 [docker-image-url]: https://hub.docker.com/r/ohif/viewer
 [license-image]: https://img.shields.io/badge/license-MIT-blue.svg?style=flat-square
 [license-url]: LICENSE
+[percy-image]: https://percy.io/static/images/percy-badge.svg
+[percy-url]: https://percy.io/Open-Health-Imaging-Foundation/OHIF-Viewer
 <!-- Links -->
 [monorepo]: https://en.wikipedia.org/wiki/Monorepo
 [how-to-fork]: https://help.github.com/en/articles/fork-a-repo

docs/latest/deployment/recipes/build-for-production.md

@@ -48,7 +48,7 @@ If everything worked as expected, you should have a new `dist/` directory in the
 project's folder. It should roughly resemble the following:
 
 ```bash
-dist/
+<root>platform/viewer/dist/
 ├── app-config.js
 ├── app.bundle.js
 ├── app.css

extensions/vtk/CHANGELOG.md

@@ -3,6 +3,54 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.52.13](https://github.com/OHIF/Viewers/compare/@ohif/extension-vtk@0.52.12...@ohif/extension-vtk@0.52.13) (2019-10-18)
+
+**Note:** Version bump only for package @ohif/extension-vtk
+
+
+
+
+
+## [0.52.12](https://github.com/OHIF/Viewers/compare/@ohif/extension-vtk@0.52.11...@ohif/extension-vtk@0.52.12) (2019-10-18)
+
+**Note:** Version bump only for package @ohif/extension-vtk
+
+
+
+
+
+## [0.52.11](https://github.com/OHIF/Viewers/compare/@ohif/extension-vtk@0.52.10...@ohif/extension-vtk@0.52.11) (2019-10-15)
+
+**Note:** Version bump only for package @ohif/extension-vtk
+
+
+
+
+
+## [0.52.10](https://github.com/OHIF/Viewers/compare/@ohif/extension-vtk@0.52.9...@ohif/extension-vtk@0.52.10) (2019-10-15)
+
+**Note:** Version bump only for package @ohif/extension-vtk
+
+
+
+
+
+## [0.52.9](https://github.com/OHIF/Viewers/compare/@ohif/extension-vtk@0.52.8...@ohif/extension-vtk@0.52.9) (2019-10-14)
+
+**Note:** Version bump only for package @ohif/extension-vtk
+
+
+
+
+
+## [0.52.8](https://github.com/OHIF/Viewers/compare/@ohif/extension-vtk@0.52.7...@ohif/extension-vtk@0.52.8) (2019-10-14)
+
+**Note:** Version bump only for package @ohif/extension-vtk
+
+
+
+
+
 ## [0.52.7](https://github.com/OHIF/Viewers/compare/@ohif/extension-vtk@0.52.6...@ohif/extension-vtk@0.52.7) (2019-10-11)
 
 **Note:** Version bump only for package @ohif/extension-vtk

extensions/vtk/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/extension-vtk",
-  "version": "0.52.7",
+  "version": "0.52.13",
   "description": "OHIF extension for VTK.js",
   "author": "OHIF",
   "license": "MIT",
@@ -48,11 +48,11 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.5.5",
-    "react-vtkjs-viewport": "^0.1.6"
+    "react-vtkjs-viewport": "^0.3.1"
   },
   "devDependencies": {
-    "@ohif/core": "^1.3.1",
+    "@ohif/core": "^1.4.0",
-    "@ohif/ui": "^0.53.4",
+    "@ohif/ui": "^0.55.0",
     "cornerstone-tools": "^4.0.9",
     "cornerstone-wado-image-loader": "^3.0.0",
     "dcmjs": "^0.6.1",

extensions/vtk/src/ConnectedVTKViewport.js

@@ -1,6 +1,6 @@
-import OHIF from "@ohif/core";
+import OHIF from '@ohif/core';
-import { View2D } from "react-vtkjs-viewport";
+import { View2D } from 'react-vtkjs-viewport';
-import { connect } from "react-redux";
+import { connect } from 'react-redux';
 
 const { setViewportActive, setViewportSpecificData } = OHIF.redux.actions;
 
@@ -24,7 +24,7 @@ const mapStateToProps = (state, ownProps) => {
     // Hopefully this doesn't break anything under the hood for this one
     // activeTool: activeButton && activeButton.command,
     ...dataFromStore,
-    enableStackPrefetch: isActive
+    enableStackPrefetch: isActive,
   };
 };
 
@@ -38,7 +38,7 @@ const mapDispatchToProps = (dispatch, ownProps) => {
 
     setViewportSpecificData: data => {
       dispatch(setViewportSpecificData(viewportIndex, data));
-    }
+    },
   };
 };
 
@@ -63,10 +63,10 @@ const mergeProps = (propsFromState, propsFromDispatch, ownProps) => {
       // Store the API details for later
       //setViewportSpecificData({ vtkApi: api });
 
-      if (afterCreation && typeof afterCreation === "function") {
+      if (afterCreation && typeof afterCreation === 'function') {
         afterCreation(api);
       }
-    }
+    },
   };
   return props;
 };

extensions/vtk/src/LoadingIndicator.css

@@ -3,15 +3,15 @@
 }
 
 .loadingIndicator {
-  background-color: rgba(0, 0, 0, 0.75);
+  background-color: rgba(0, 0, 0, 0);
-  font-size: 18px;
+  font-size: 8px;
-  height: 100%;
+  height: 20%;
   overflow: hidden;
   position: absolute;
   top: 0;
   width: 100%;
   z-index: 1;
 
-  /* Necessary for click-through to cornerstone element below */
+  /* Necessary for click-through to vtkjs element below */
   pointer-events: none;
 }

extensions/vtk/src/LoadingIndicator.js

@@ -1,7 +1,7 @@
 import './LoadingIndicator.css';
 
 import React, { PureComponent } from 'react';
-
+import { withTranslation } from 'react-i18next';
 import PropTypes from 'prop-types';
 
 class LoadingIndicator extends PureComponent {
@@ -35,7 +35,8 @@ class LoadingIndicator extends PureComponent {
           <div className="imageViewerLoadingIndicator loadingIndicator">
             <div className="indicatorContents">
               <p>
-                Loading... <i className="fa fa-spin fa-circle-o-notch fa-fw" />{' '}
+                {this.props.t('Reformatting')}...
+                <i className="fa fa-spin fa-circle-o-notch fa-fw" />
                 {percComplete}
               </p>
             </div>
@@ -46,4 +47,4 @@ class LoadingIndicator extends PureComponent {
   }
 }
 
-export default LoadingIndicator;
+export default withTranslation('Common')(LoadingIndicator);

extensions/vtk/src/OHIFVTKViewport.js

@@ -11,7 +11,6 @@ import vtkDataArray from 'vtk.js/Sources/Common/Core/DataArray';
 import vtkImageData from 'vtk.js/Sources/Common/DataModel/ImageData';
 import vtkVolume from 'vtk.js/Sources/Rendering/Core/Volume';
 import vtkVolumeMapper from 'vtk.js/Sources/Rendering/Core/VolumeMapper';
-import vtkViewportSubscriptionManager from './utils/vtkViewportSubscriptionManager.js';
 
 const { StackManager } = OHIF.utils;
 
@@ -172,47 +171,45 @@ class OHIFVTKViewport extends Component {
       default:
         imageDataObject = getImageData(stack.imageIds, displaySetInstanceUid);
 
-        const loadImageDataPromise = loadImageData(imageDataObject);
+        return imageDataObject;
-
-        return loadImageDataPromise.then(() => {
-          return {
-            data: imageDataObject.vtkImageData,
-          };
-        });
     }
   };
 
-  getOrCreateVolume(data, displaySetInstanceUid) {
+  getOrCreateVolume(imageDataObject, displaySetInstanceUid) {
     if (volumeCache[displaySetInstanceUid]) {
       return volumeCache[displaySetInstanceUid];
     }
 
+    const { vtkImageData, imageMetaData0 } = imageDataObject;
+    const { windowWidth, windowCenter, modality } = imageMetaData0;
+
+    let lower;
+    let upper;
+
+    if (modality === 'PT') {
+      // For PET just set the range to 0-5 SUV
+      lower = 0;
+      upper = 5;
+    } else {
+      lower = windowCenter - windowWidth / 2.0;
+      upper = windowCenter + windowWidth / 2.0;
+    }
+
     const volumeActor = vtkVolume.newInstance();
     const volumeMapper = vtkVolumeMapper.newInstance();
 
     volumeActor.setMapper(volumeMapper);
-    volumeMapper.setInputData(data);
+    volumeMapper.setInputData(vtkImageData);
 
-    const range = data
-      .getPointData()
-      .getScalars()
-      .getRange();
-
-    // TODO: For PET we might want to just set this to 0-5 SUV
     volumeActor
       .getProperty()
       .getRGBTransferFunction(0)
-      .setRange(range[0], range[1]);
+      .setRange(lower, upper);
 
-    // TODO: Should look into implementing autoAdjustSampleDistance in vtk
+    const spacing = vtkImageData.getSpacing();
-    const sampleDistance =
+    // Set the sample distance to half the mean length of one side. This is where the divide by 6 comes from.
-      1.2 *
+    // https://github.com/Kitware/VTK/blob/6b559c65bb90614fb02eb6d1b9e3f0fca3fe4b0b/Rendering/VolumeOpenGL2/vtkSmartVolumeMapper.cxx#L344
-      Math.sqrt(
+    const sampleDistance = (spacing[0] + spacing[1] + spacing[2]) / 6;
-        data
-          .getSpacing()
-          .map(v => v * v)
-          .reduce((a, b) => a + b, 0)
-      );
 
     volumeMapper.setSampleDistance(sampleDistance);
 
@@ -221,7 +218,7 @@ class OHIFVTKViewport extends Component {
     return volumeActor;
   }
 
-  async setStateFromProps() {
+  setStateFromProps() {
     const { studies, displaySet } = this.props.viewportData;
     const {
       studyInstanceUid,
@@ -238,8 +235,7 @@ class OHIFVTKViewport extends Component {
     }
 
     const sopClassUid = sopClassUids[0];
-
+    const imageDataObject = this.getViewportData(
-    let { data, labelmap } = await this.getViewportData(
       studies,
       studyInstanceUid,
       displaySetInstanceUid,
@@ -248,29 +244,51 @@ class OHIFVTKViewport extends Component {
       frameIndex
     );
 
+    this.imageDataObject = imageDataObject;
+
     // TODO: Temporarily disabling this since it is not yet
     // being used and hurts performance significantly.
     /*if (!labelmap) {
       labelmap = createLabelMapImageData(data);
     }*/
 
-    const volumeActor = this.getOrCreateVolume(data, displaySetInstanceUid);
+    const volumeActor = this.getOrCreateVolume(
+      imageDataObject,
+      displaySetInstanceUid
+    );
 
     this.setState({
-      volumes: [volumeActor],
+      paintFilterBackgroundImageData: imageDataObject.vtkImageData,
-      paintFilterBackgroundImageData: data,
+      paintFilterLabelMapImageData: null, // TODO
-      paintFilterLabelMapImageData: labelmap,
+      percentComplete: 0,
     });
+
+    this.setState(
+      {
+        paintFilterBackgroundImageData: imageDataObject.vtkImageData,
+        paintFilterLabelMapImageData: null, // TODO
+        percentComplete: 0,
+      },
+      () => {
+        this.loadProgressively(imageDataObject);
+
+        // TODO: There must be a better way to do this.
+        // We do this so that if all the data is available the react-vtkjs-viewport
+        // Will render _something_ before the volumes are set and the volume
+        // Construction that happens in react-vtkjs-viewport locks up the CPU.
+        setTimeout(() => {
+          this.setState({
+            volumes: [volumeActor],
+          });
+        }, 200);
+      }
+    );
   }
 
   componentDidMount() {
     this.setStateFromProps();
   }
 
-  componentWillUnmount() {
-    vtkViewportSubscriptionManager.unsubscribe(this.props.viewportIndex);
-  }
-
   componentDidUpdate(prevProps) {
     const { studies, displaySet } = this.props.viewportData;
     const prevDisplaySet = prevProps.viewportData.displaySet;
@@ -285,6 +303,37 @@ class OHIFVTKViewport extends Component {
     }
   }
 
+  loadProgressively(imageDataObject) {
+    loadImageData(imageDataObject);
+
+    const { isLoading, insertPixelDataPromises } = imageDataObject;
+
+    const numberOfFrames = insertPixelDataPromises.length;
+
+    if (!isLoading) {
+      this.setState({ isLoaded: true });
+      return;
+    }
+
+    insertPixelDataPromises.forEach(promise => {
+      promise.then(numberProcessed => {
+        const percentComplete = Math.floor(
+          (numberProcessed * 100) / numberOfFrames
+        );
+
+        if (percentComplete !== this.state.percentComplete) {
+          this.setState({
+            percentComplete,
+          });
+        }
+      });
+    });
+
+    Promise.all(insertPixelDataPromises).then(() => {
+      this.setState({ isLoaded: true });
+    });
+  }
+
   render() {
     let childrenWithProps = null;
 
@@ -302,21 +351,23 @@ class OHIFVTKViewport extends Component {
 
     return (
       <>
-        {this.state.volumes ? (
+        <div style={style}>
-          <ConnectedVTKViewport
+          {!this.state.isLoaded && (
-            volumes={this.state.volumes}
+            <LoadingIndicator percentComplete={this.state.percentComplete} />
-            paintFilterLabelMapImageData={
+          )}
-              this.state.paintFilterLabelMapImageData
+          {this.state.volumes && (
-            }
+            <ConnectedVTKViewport
-            paintFilterBackgroundImageData={
+              volumes={this.state.volumes}
-              this.state.paintFilterBackgroundImageData
+              paintFilterLabelMapImageData={
-            }
+                this.state.paintFilterLabelMapImageData
-            viewportIndex={this.props.viewportIndex}
+              }
-          />
+              paintFilterBackgroundImageData={
-        ) : (
+                this.state.paintFilterBackgroundImageData
-          <div style={style}>
+              }
-            <LoadingIndicator />
+              viewportIndex={this.props.viewportIndex}
-          </div>
+            />
+          )}
+        </div>
         )}
         {childrenWithProps}
       </>

extensions/vtk/src/commandsModule.js

@@ -4,66 +4,16 @@ import {
   vtkInteractorStyleMPRSlice,
   vtkInteractorStyleMPRRotate,
   vtkSVGCrosshairsWidget,
-  vtkSVGWidgetManager,
 } from 'react-vtkjs-viewport';
 
 import setMPRLayout from './utils/setMPRLayout.js';
 import setViewportToVTK from './utils/setViewportToVTK.js';
-import vtkViewportSubscriptionManager from './utils/vtkViewportSubscriptionManager.js';
-import vtkCoordinate from 'vtk.js/Sources/Rendering/Core/Coordinate';
-import vtkMath from 'vtk.js/Sources/Common/Core/Math';
-import vtkMatrixBuilder from 'vtk.js/Sources/Common/Core/MatrixBuilder';
 import Constants from 'vtk.js/Sources/Rendering/Core/VolumeMapper/Constants.js';
 
 const { BlendMode } = Constants;
 
 // TODO: Put this somewhere else
 let apis = {};
-let currentSlabThickness = 0.1;
-let defaultSlabThickness = 0.1;
-
-function getCrosshairCallbackForIndex(index) {
-  return ({ worldPos }) => {
-    // Set camera focal point to world coordinate for linked views
-    apis.forEach((api, viewportIndex) => {
-      if (viewportIndex !== index) {
-        // We are basically doing the same as getSlice but with the world coordinate
-        // that we want to jump to instead of the camera focal point.
-        // I would rather do the camera adjustment directly but I keep
-        // doing it wrong and so this is good enough for now.
-        const renderWindow = api.genericRenderWindow.getRenderWindow();
-
-        const istyle = renderWindow.getInteractor().getInteractorStyle();
-        const sliceNormal = istyle.getSliceNormal();
-        const transform = vtkMatrixBuilder
-          .buildFromDegree()
-          .identity()
-          .rotateFromDirections(sliceNormal, [1, 0, 0]);
-
-        const mutatedWorldPos = worldPos.slice();
-        transform.apply(mutatedWorldPos);
-        const slice = mutatedWorldPos[0];
-
-        istyle.setSlice(slice);
-
-        renderWindow.render();
-      }
-
-      const renderer = api.genericRenderWindow.getRenderer();
-      const wPos = vtkCoordinate.newInstance();
-      wPos.setCoordinateSystemToWorld();
-      wPos.setValue(worldPos);
-
-      const displayPosition = wPos.getComputedDisplayValue(renderer);
-      const { svgWidgetManager } = api;
-      api.svgWidgets.crosshairsWidget.setPoint(
-        displayPosition[0],
-        displayPosition[1]
-      );
-      svgWidgetManager.render();
-    });
-  };
-}
 
 async function _getActiveViewportVTKApi(viewports) {
   const {
@@ -105,8 +55,6 @@ async function _getActiveViewportVTKApi(viewports) {
 
 function _setView(api, sliceNormal, viewUp) {
   const renderWindow = api.genericRenderWindow.getRenderWindow();
-  const renderer = api.genericRenderWindow.getRenderer();
-  const camera = renderer.getActiveCamera();
   const istyle = renderWindow.getInteractor().getInteractorStyle();
   istyle.setSliceNormal(...sliceNormal);
   istyle.setViewUp(...viewUp);
@@ -114,41 +62,6 @@ function _setView(api, sliceNormal, viewUp) {
   renderWindow.render();
 }
 
-function switchMPRInteractors(api, istyle) {
-  const renderWindow = api.genericRenderWindow.getRenderWindow();
-  const renderer = api.genericRenderWindow.getRenderer();
-  const camera = renderer.getActiveCamera();
-  const currentIStyle = renderWindow.getInteractor().getInteractorStyle();
-
-  let currentViewport;
-  if (currentIStyle.getViewport && istyle.getViewport) {
-    currentViewport = currentIStyle.getViewport();
-  }
-
-  let currentSlabThickness;
-  if (currentIStyle.getSlabThickness && istyle.getSlabThickness) {
-    currentSlabThickness = currentIStyle.getSlabThickness();
-    defaultSlabThickness = currentSlabThickness;
-  }
-
-  renderWindow.getInteractor().setInteractorStyle(istyle);
-
-  // TODO: Not sure why this is required the second time this function is called
-  istyle.setInteractor(renderWindow.getInteractor());
-
-  if (currentViewport) {
-    istyle.setViewport(currentViewport);
-  }
-
-  if (istyle.getVolumeMapper() !== api.volumes[0]) {
-    if (currentSlabThickness) {
-      istyle.setSlabThickness(currentSlabThickness);
-    }
-
-    istyle.setVolumeMapper(api.volumes[0]);
-  }
-}
-
 const actions = {
   axial: async ({ viewports }) => {
     const api = await _getActiveViewportVTKApi(viewports);
@@ -175,52 +88,48 @@ const actions = {
     apis.forEach(api => {
       const istyle = vtkInteractorStyleMPRRotate.newInstance();
 
-      switchMPRInteractors(api, istyle);
+      api.setInteractorStyle({ istyle });
     });
   },
   enableCrosshairsTool: () => {
-    apis.forEach((api, index) => {
+    apis.forEach((api, apiIndex) => {
       const istyle = vtkInteractorStyleMPRCrosshairs.newInstance();
 
-      switchMPRInteractors(api, istyle);
+      api.setInteractorStyle({
-
+        istyle,
-      istyle.setCallback(getCrosshairCallbackForIndex(index));
+        configuration: { apis, apiIndex },
+      });
     });
   },
   enableLevelTool: () => {
+    const callbacks = {
+      setOnLevelsChanged: ({ windowCenter, windowWidth }) => {
+        apis.forEach(api => {
+          const renderWindow = api.genericRenderWindow.getRenderWindow();
+
+          renderWindow.render();
+
+          api.updateVOI(windowWidth, windowCenter);
+        });
+      },
+    };
+
     apis.forEach(api => {
       const istyle = vtkInteractorStyleMPRWindowLevel.newInstance();
 
-      switchMPRInteractors(api, istyle);
+      api.setInteractorStyle({ istyle, callbacks });
     });
   },
   setSlabThickness: ({ slabThickness }) => {
-    currentSlabThickness = slabThickness;
-
     apis.forEach(api => {
-      const renderWindow = api.genericRenderWindow.getRenderWindow();
+      api.setSlabThickness(slabThickness);
-      const istyle = renderWindow.getInteractor().getInteractorStyle();
-
-      if (istyle.setSlabThickness) {
-        istyle.setSlabThickness(currentSlabThickness);
-      }
-
-      renderWindow.render();
     });
   },
   changeSlabThickness: ({ change }) => {
-    currentSlabThickness += change;
-    currentSlabThickness = Math.max(currentSlabThickness, 0.1);
-
     apis.forEach(api => {
-      const renderWindow = api.genericRenderWindow.getRenderWindow();
+      const slabThickness = Math.max(api.getSlabThickness() + change, 0.1);
-      const istyle = renderWindow.getInteractor().getInteractorStyle();
 
-      if (istyle.setSlabThickness) {
+      api.setSlabThickness(slabThickness);
-        istyle.setSlabThickness(currentSlabThickness);
-      }
-
-      renderWindow.render();
     });
   },
   setBlendModeToComposite: () => {
@@ -228,13 +137,15 @@ const actions = {
       const renderWindow = api.genericRenderWindow.getRenderWindow();
       const istyle = renderWindow.getInteractor().getInteractorStyle();
 
+      const slabThickness = api.getSlabThickness();
+
       const mapper = api.volumes[0].getMapper();
       if (mapper.setBlendModeToComposite) {
         mapper.setBlendModeToComposite();
       }
 
       if (istyle.setSlabThickness) {
-        istyle.setSlabThickness(defaultSlabThickness);
+        istyle.setSlabThickness(slabThickness);
       }
       renderWindow.render();
     });
@@ -252,7 +163,6 @@ const actions = {
   setBlendMode: ({ blendMode }) => {
     apis.forEach(api => {
       const renderWindow = api.genericRenderWindow.getRenderWindow();
-      const istyle = renderWindow.getInteractor().getInteractorStyle();
 
       api.volumes[0].getMapper().setBlendMode(blendMode);
 
@@ -260,78 +170,60 @@ const actions = {
     });
   },
   mpr2d: async ({ viewports }) => {
+    // TODO push a lot of this backdoor logic lower down to the library level.
     const displaySet =
       viewports.viewportSpecificData[viewports.activeViewportIndex];
 
-    let apiByViewport;
+    // Get current VOI if cornerstone viewport.
+    const cornerstoneVOI = getVOIFromCornerstoneViewport(displaySet);
+
+    const viewportProps = [
+      {
+        //Axial
+        orientation: {
+          sliceNormal: [0, 0, 1],
+          viewUp: [0, -1, 0],
+        },
+      },
+      {
+        // Sagital
+        orientation: {
+          sliceNormal: [1, 0, 0],
+          viewUp: [0, 0, 1],
+        },
+      },
+      {
+        // Coronal
+        orientation: {
+          sliceNormal: [0, 1, 0],
+          viewUp: [0, 0, 1],
+        },
+      },
+    ];
+
     try {
-      apiByViewport = await setMPRLayout(displaySet);
+      apis = await setMPRLayout(displaySet, viewportProps, 1, 3);
     } catch (error) {
       throw new Error(error);
     }
 
-    apis = apiByViewport;
+    if (cornerstoneVOI) {
+      setVOI(cornerstoneVOI);
+    }
 
-    const rgbTransferFunction = apiByViewport[0].volumes[0]
+    // Add widgets and set default interactorStyle of each viewport.
-      .getProperty()
+    apis.forEach((api, apiIndex) => {
-      .getRGBTransferFunction(0);
+      api.addSVGWidget(
-
+        vtkSVGCrosshairsWidget.newInstance(),
-    const onModifiedSubscription = rgbTransferFunction.onModified(() => {
+        'crosshairsWidget'
-      apiByViewport.forEach(a => {
+      );
-        const renderWindow = a.genericRenderWindow.getRenderWindow();
-
-        renderWindow.render();
-      });
-    });
-
-    vtkViewportSubscriptionManager.pushSubscription(0, onModifiedSubscription);
-
-    apiByViewport.forEach((api, index) => {
-      const renderWindow = api.genericRenderWindow.getRenderWindow();
-      const renderer = api.genericRenderWindow.getRenderer();
-      const camera = renderer.getActiveCamera();
 
       const istyle = vtkInteractorStyleMPRCrosshairs.newInstance();
-      renderWindow.getInteractor().setInteractorStyle(istyle);
 
-      istyle.setVolumeMapper(api.volumes[0]);
+      api.setInteractorStyle({
-      istyle.setCallback(getCrosshairCallbackForIndex(index));
+        istyle,
-
+        configuration: { apis, apiIndex },
-      const svgWidgetManager = vtkSVGWidgetManager.newInstance();
+      });
-      svgWidgetManager.setRenderer(renderer);
-      svgWidgetManager.setScale(1);
-
-      const crosshairsWidget = vtkSVGCrosshairsWidget.newInstance();
-
-      svgWidgetManager.addWidget(crosshairsWidget);
-      svgWidgetManager.render();
-
-      api.svgWidgetManager = svgWidgetManager;
-      api.svgWidgets = {
-        crosshairsWidget,
-      };
-
-      switch (index) {
-        default:
-        case 0:
-          //Axial
-          istyle.setSliceNormal(0, 0, 1);
-          istyle.setViewUp(0, -1, 0);
-
-          break;
-        case 1:
-          // sagittal
-          istyle.setSliceNormal(1, 0, 0);
-          istyle.setViewUp(0, 0, 1);
-          break;
-        case 2:
-          // Coronal
-          istyle.setSliceNormal(0, 1, 0);
-          istyle.setViewUp(0, 0, 1);
-          break;
-      }
-
-      renderWindow.render();
     });
   },
 };
@@ -421,3 +313,41 @@ export default {
   definitions,
   defaultContext: 'ACTIVE_VIEWPORT::VTK',
 };
+
+function getVOIFromCornerstoneViewport(displaySet) {
+  const cornerstoneElement = cornerstone.getEnabledElement(displaySet.dom);
+
+  if (cornerstoneElement) {
+    const imageId = cornerstoneElement.image.imageId;
+
+    const { modality } = cornerstone.metaData.get(
+      'generalSeriesModule',
+      imageId
+    );
+
+    if (modality !== 'PT') {
+      const { windowWidth, windowCenter } = cornerstoneElement.viewport.voi;
+
+      return {
+        windowWidth,
+        windowCenter,
+      };
+    }
+  }
+}
+
+function setVOI(voi) {
+  const { windowWidth, windowCenter } = voi;
+  const lower = windowCenter - windowWidth / 2.0;
+  const upper = windowCenter + windowWidth / 2.0;
+
+  const rgbTransferFunction = apis[0].volumes[0]
+    .getProperty()
+    .getRGBTransferFunction(0);
+
+  rgbTransferFunction.setRange(lower, upper);
+
+  apis.forEach(api => {
+    api.updateVOI(windowWidth, windowCenter);
+  });
+}

extensions/vtk/src/utils/setMPRLayout.js

@@ -1,11 +1,23 @@
 import setLayoutAndViewportData from './setLayoutAndViewportData.js';
 
-export default function setMPRLayout(displaySet) {
+export default function setMPRLayout(
+  displaySet,
+  viewportPropsArray,
+  numRows = 1,
+  numColumns = 1
+) {
   return new Promise((resolve, reject) => {
     const viewports = [];
-    const numRows = 1;
-    const numColumns = 3;
     const numViewports = numRows * numColumns;
+
+    if (viewportPropsArray && viewportPropsArray.length !== numViewports) {
+      reject(
+        new Error(
+          'viewportProps is supplied but its length is not equal to numViewports'
+        )
+      );
+    }
+
     const viewportSpecificData = {};
 
     for (let i = 0; i < numViewports; i++) {
@@ -17,8 +29,8 @@ export default function setMPRLayout(displaySet) {
     const apis = [];
     viewports.forEach((viewport, index) => {
       apis[index] = null;
+      const viewportProps = viewportPropsArray[index];
       viewports[index] = Object.assign({}, viewports[index], {
-        // plugin: 'vtk',
         vtk: {
           mode: 'mpr', // TODO: not used
           afterCreation: api => {
@@ -28,6 +40,7 @@ export default function setMPRLayout(displaySet) {
               resolve(apis);
             }
           },
+          ...viewportProps,
         },
       });
     });

extensions/vtk/src/utils/vtkViewportSubscriptionManager.js

@@ -1,28 +0,0 @@
-const subscriptions = [];
-
-// This is pretty hacky right now, but it makes sure we don't keep adding subscriptions.
-// TODO -> Nuke this and move it up a layer once we have more vigorous layout support.
-
-const vtkViewportSubscriptionManager = {
-  subscriptions,
-  pushSubscription(viewportIndex, subscription) {
-    if (!Array.isArray(subscriptions[viewportIndex])) {
-      subscriptions[viewportIndex] = [];
-    }
-
-    subscriptions[viewportIndex].push(subscription);
-  },
-  unsubscribe(viewportIndex) {
-    if (!subscriptions[viewportIndex]) {
-      return;
-    }
-
-    while (subscriptions[viewportIndex].length) {
-      subscriptions[viewportIndex].pop().unsubscribe();
-    }
-
-    subscriptions[viewportIndex] = null;
-  },
-};
-
-export default vtkViewportSubscriptionManager;

package.json

@@ -26,6 +26,7 @@
     "test:unit": "jest --collectCoverage",
     "test:unit:ci": "lerna run test:unit:ci --parallel --stream",
     "test:e2e": "lerna run test:e2e --stream",
+    "test:e2e:ci": "lerna run test:e2e:ci --stream",
     "test:e2e:dist": "lerna run test:e2e:dist --stream",
     "test:e2e:serve": "lerna run test:e2e:serve --stream",
     "see-changed": "lerna changed",
@@ -49,6 +50,7 @@
     "@babel/plugin-transform-runtime": "^7.5.0",
     "@babel/preset-env": "^7.5.0",
     "@babel/preset-react": "^7.0.0",
+    "@percy/cypress": "^2.2.0",
     "babel-eslint": "9.x",
     "babel-loader": "^8.0.6",
     "babel-plugin-inline-react-svg": "1.1.0",
@@ -57,6 +59,7 @@
     "copy-webpack-plugin": "^5.0.3",
     "cross-env": "^5.2.0",
     "css-loader": "^3.2.0",
+    "dotenv": "^8.1.0",
     "eslint": "5.16.0",
     "eslint-config-react-app": "^4.0.1",
     "eslint-plugin-flowtype": "2.x",

platform/core/CHANGELOG.md

@@ -3,6 +3,28 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.4.0](https://github.com/OHIF/Viewers/compare/@ohif/core@1.3.2...@ohif/core@1.4.0) (2019-10-15)
+
+
+### Features
+
+* 🎸 Only allow reconstruction of datasets that make sense ([#1010](https://github.com/OHIF/Viewers/issues/1010)) ([2d75e01](https://github.com/OHIF/Viewers/commit/2d75e01)), closes [#561](https://github.com/OHIF/Viewers/issues/561)
+
+
+
+
+
+## [1.3.2](https://github.com/OHIF/Viewers/compare/@ohif/core@1.3.1...@ohif/core@1.3.2) (2019-10-14)
+
+
+### Bug Fixes
+
+* Return display sets in StudyMetadata._createDisplaySetsForSeries ([#1042](https://github.com/OHIF/Viewers/issues/1042)) ([fc01532](https://github.com/OHIF/Viewers/commit/fc01532))
+
+
+
+
+
 ## [1.3.1](https://github.com/OHIF/Viewers/compare/@ohif/core@1.3.0...@ohif/core@1.3.1) (2019-10-11)
 
 **Note:** Version bump only for package @ohif/core

platform/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/core",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "description": "Generic business logic for web-based medical imaging applications",
   "author": "OHIF Core Team",
   "license": "MIT",

platform/core/src/classes/metadata/StudyMetadata.js

@@ -9,6 +9,7 @@ import { SeriesMetadata } from './SeriesMetadata';
 import { api } from 'dicomweb-client';
 // - createStacks
 import { isImage } from '../../utils/isImage';
+import isDisplaySetReconstructable from '../../utils/isDisplaySetReconstructable';
 import isLowPriorityModality from '../../utils/isLowPriorityModality';
 
 export class StudyMetadata extends Metadata {
@@ -121,7 +122,7 @@ export class StudyMetadata extends Metadata {
       if (displaySet) {
         displaySet.sopClassModule = true;
         displaySets.push(displaySet);
-        return;
+        return displaySets;
       }
     }
 
@@ -620,6 +621,16 @@ const makeDisplaySet = (series, instances) => {
     imageSet.getImage(0).getRawValue('x00200013')
   );
 
+  const isReconstructable = isDisplaySetReconstructable(series, instances);
+
+  imageSet.isReconstructable = isReconstructable.value;
+
+  if (isReconstructable.missingFrames) {
+    // TODO -> This is currently unused, but may be used for reconstructing
+    // Volumes with gaps later on.
+    imageSet.missingFrames = isReconstructable.missingFrames;
+  }
+
   return imageSet;
 };
 

platform/core/src/utils/isDisplaySetReconstructable.js

@@ -0,0 +1,157 @@
+/**
+ * Checks if a series is reconstructable to a 3D volume.
+ *
+ * @param {Object} series The `OHIFSeriesMetadata` object.
+ * @param {Object[]} instances The `OHIFInstanceMetadata` object
+ */
+export default function isDisplaySetReconstructable(series, instances) {
+  // Can't reconstruct if we only have one image.
+
+  const modality = series._data.modality; // TODO -> Is there a better way to get this?
+  const isMultiframe = instances[0].getRawValue('x00280008') > 1;
+
+  if (!constructableModalities.includes(modality)) {
+    return { value: false };
+  }
+
+  if (!isMultiframe && instances.length === 1) {
+    return { values: false };
+  }
+
+  if (isMultiframe) {
+    return processMultiframe(instances[0]);
+  } else {
+    return processSingleframe(instances);
+  }
+}
+
+function processMultiframe(instance) {
+  //TODO: deal with multriframe checks! return true for now.
+  return { value: true };
+}
+
+function processSingleframe(instances) {
+  const firstImage = instances[0];
+  const firstImageRows = firstImage.getTagValue('x00280010');
+  const firstImageColumns = firstImage.getTagValue('x00280011');
+  const firstImageSamplesPerPixel = firstImage.getTagValue('x00280002');
+  // Note: No need to unpack iop, can compare string form.
+  const firstImageOrientationPatient = firstImage.getTagValue('x00200037');
+
+  // Can't reconstruct if we:
+  // -- Have a different dimensions within a displaySet.
+  // -- Have a different number of components within a displaySet.
+  // -- Have different orientations within a displaySet.
+  for (let i = 1; i < instances.length; i++) {
+    const instance = instances[i];
+    const rows = instance.getTagValue('x00280010');
+    const columns = instance.getTagValue('x00280011');
+    const samplesPerPixel = instance.getTagValue('x00280002');
+    const imageOrientationPatient = instance.getTagValue('x00200037');
+
+    if (
+      rows !== firstImageRows ||
+      columns !== firstImageColumns ||
+      samplesPerPixel !== firstImageSamplesPerPixel ||
+      imageOrientationPatient !== firstImageOrientationPatient
+    ) {
+      return { value: false };
+    }
+  }
+
+  let missingFrames = 0;
+
+  // Check if frame spacing is approximately equal within a tolerance.
+  // If spacing is on a uniform grid but we are missing frames,
+  // Allow reconstruction, but pass back the number of missing frames.
+  if (instances.length > 2) {
+    const firstIpp = _getImagePositionPatient(firstImage);
+    const lastIpp = _getImagePositionPatient(instances[instances.length - 1]);
+    const averageSpacingBetweenFrames =
+      _getPerpendicularDistance(firstIpp, lastIpp) / (instances.length - 1);
+
+    let previousIpp = firstIpp;
+
+    for (let i = 1; i < instances.length; i++) {
+      const instance = instances[i];
+      const ipp = _getImagePositionPatient(instance);
+
+      const spacingBetweenFrames = _getPerpendicularDistance(ipp, previousIpp);
+      const spacingIssue = _getSpacingIssue(
+        spacingBetweenFrames,
+        averageSpacingBetweenFrames
+      );
+
+      if (spacingIssue) {
+        const issue = spacingIssue.issue;
+
+        if (issue === reconstructionIssues.MISSING_FRAMES) {
+          missingFrames += spacingIssue.missingFrames;
+        } else if (issue === reconstructionIssues.IRREGULAR_SPACING) {
+          return { value: false };
+        }
+      }
+
+      previousIpp = ipp;
+    }
+  }
+
+  return { value: true, missingFrames };
+}
+
+// TODO: Is 10% a reasonable tolerance for spacing?
+const tolerance = 0.1;
+
+/**
+ * Checks for spacing issues.
+ *
+ * @param {number} spacing The spacing between two frames.
+ * @param {number} averageSpacing The average spacing between all frames.
+ *
+ * @returns {Object} An object containing the issue and extra information if necessary.
+ */
+function _getSpacingIssue(spacing, averageSpacing) {
+  const equalWithinTolerance =
+    Math.abs(spacing - averageSpacing) < averageSpacing * tolerance;
+
+  if (equalWithinTolerance) {
+    return;
+  }
+
+  const multipleOfAverageSpacing = spacing / averageSpacing;
+
+  const numberOfSpacings = Math.round(multipleOfAverageSpacing);
+
+  const errorForEachSpacing =
+    Math.abs(spacing - numberOfSpacings * averageSpacing) / numberOfSpacings;
+
+  if (errorForEachSpacing < tolerance * averageSpacing) {
+    return {
+      issue: reconstructionIssues.MISSING_FRAMES,
+      missingFrames: numberOfSpacings - 1,
+    };
+  }
+
+  return { issue: reconstructionIssues.IRREGULAR_SPACING };
+}
+
+function _getImagePositionPatient(instance) {
+  return instance
+    .getTagValue('x00200032')
+    .split('\\')
+    .map(element => Number(element));
+}
+
+function _getPerpendicularDistance(a, b) {
+  return Math.sqrt(
+    Math.pow(a[0] - b[0], 2) +
+      Math.pow(a[1] - b[1], 2) +
+      Math.pow(a[2] - b[2], 2)
+  );
+}
+
+const constructableModalities = ['MR', 'CT', 'PT', 'NM'];
+const reconstructionIssues = {
+  MISSING_FRAMES: 'missingframes',
+  IRREGULAR_SPACING: 'irregularspacing',
+};

platform/i18n/CHANGELOG.md

@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [0.51.0](https://github.com/OHIF/Viewers/compare/@ohif/i18n@0.50.5...@ohif/i18n@0.51.0) (2019-10-15)
+
+
+### Features
+
+* Add browser info and app version ([#1046](https://github.com/OHIF/Viewers/issues/1046)) ([c217b8b](https://github.com/OHIF/Viewers/commit/c217b8b))
+
+
+
+
+
 ## [0.50.5](https://github.com/OHIF/Viewers/compare/@ohif/i18n@0.50.4...@ohif/i18n@0.50.5) (2019-10-04)
 
 

platform/i18n/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/i18n",
-  "version": "0.50.5",
+  "version": "0.51.0",
   "description": "Internationalization library for The OHIF Viewer",
   "author": "OHIF",
   "license": "MIT",

platform/i18n/src/locales/en-US/AboutModal.json

@@ -0,0 +1,14 @@
+{
+  "Browser": "Browser",
+  "Build Number": "Build Number",
+  "Latest Master Commits": "Latest Master Commits",
+  "More details": "More details",
+  "Name": "Name",
+  "OHIF Viewer - About": "OHIF Viewer - About",
+  "OS": "OS",
+  "Report an issue": "Report an issue",
+  "Repository URL": "Repository URL",
+  "Value": "Value",
+  "Version Information": "Version Information",
+  "Visit the forum": "Visit the forum"
+}

platform/i18n/src/locales/en-US/index.js

@@ -1,3 +1,4 @@
+import AboutModal from "./AboutModal.json";
 import Buttons from "./Buttons.json";
 import CineDialog from "./CineDialog.json";
 import Common from "./Common.json";
@@ -8,6 +9,7 @@ import UserPreferencesModal from "./UserPreferencesModal.json";
 
 export default { 
   'en-US': {
+    AboutModal,
     Buttons,
     CineDialog,
     Common,

platform/i18n/src/locales/pt-BR/AboutModal.json

@@ -0,0 +1,14 @@
+{
+  "Browser": "Navegador",
+  "Build Number": "Número da compilação",
+  "Latest Master Commits": "Últimos Commits na Master",
+  "More details": "Mais detalhes",
+  "Name": "Nome",
+  "OHIF Viewer - About": "OHIF Viewer - Sobre",
+  "OS": "SO",
+  "Report an issue": "Informar um problema",
+  "Repository URL": "URL do Repositório",
+  "Value": "Valor",
+  "Version Information": "Informação da Versão",
+  "Visit the forum": "Visite o fórum"
+}

platform/i18n/src/locales/pt-BR/index.js

@@ -1,3 +1,4 @@
+import AboutModal from "./AboutModal.json";
 import Buttons from "./Buttons.json";
 import CineDialog from "./CineDialog.json";
 import Common from "./Common.json";
@@ -6,6 +7,7 @@ import UserPreferencesModal from "./UserPreferencesModal.json";
 
 export default { 
   'pt-BR': {
+    AboutModal,
     Buttons,
     CineDialog,
     Common,

platform/ui/CHANGELOG.md

@@ -3,6 +3,28 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [0.55.0](https://github.com/OHIF/Viewers/compare/@ohif/ui@0.54.0...@ohif/ui@0.55.0) (2019-10-15)
+
+
+### Features
+
+* Add browser info and app version ([#1046](https://github.com/OHIF/Viewers/issues/1046)) ([c217b8b](https://github.com/OHIF/Viewers/commit/c217b8b))
+
+
+
+
+
+# [0.54.0](https://github.com/OHIF/Viewers/compare/@ohif/ui@0.53.4...@ohif/ui@0.54.0) (2019-10-14)
+
+
+### Features
+
+* Notification Service ([#1011](https://github.com/OHIF/Viewers/issues/1011)) ([92c8996](https://github.com/OHIF/Viewers/commit/92c8996))
+
+
+
+
+
 ## [0.53.4](https://github.com/OHIF/Viewers/compare/@ohif/ui@0.53.3...@ohif/ui@0.53.4) (2019-10-11)
 
 **Note:** Version bump only for package @ohif/ui

platform/ui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/ui",
-  "version": "0.53.4",
+  "version": "0.55.0",
   "description": "A set of React components for Medical Imaging Viewers",
   "author": "OHIF Contributors",
   "license": "MIT",
@@ -39,6 +39,7 @@
   "dependencies": {
     "@babel/runtime": "^7.5.5",
     "@ohif/i18n": "^0.2.3",
+    "browser-detect": "^0.2.28",
     "classnames": "2.2.6",
     "i18next": "^17.0.3",
     "i18next-browser-languagedetector": "^3.0.1",

platform/ui/src/components/snackbar/Snackbar.css

@@ -0,0 +1,196 @@
+.sb-container {
+  position: fixed;
+  width: var(--snackbar-size);
+  padding: 20px;
+  z-index: var(--snackbar-zIndex);
+  box-sizing: border-box;
+  height: auto;
+}
+
+.sb-topLeft {
+  top: 0;
+  bottom: auto;
+  left: 0;
+  right: auto;
+}
+
+.sb-topCenter {
+  left: 50%;
+  top: 0;
+  bottom: auto;
+  transform: translateX(-50%);
+}
+
+.sb-topRight {
+  top: 0;
+  bottom: auto;
+  left: auto;
+  right: 0;
+}
+
+.sb-bottomLeft {
+  top: auto;
+  bottom: 0px;
+  left: 0px;
+  right: auto;
+}
+
+.sb-bottomCenter {
+  left: 50%;
+  bottom: 0;
+  top: auto;
+  transform: translateX(-50%);
+}
+
+.sb-bottomRight {
+  top: auto;
+  bottom: 0px;
+  left: auto;
+  right: 0px;
+  margin: 10px 0 0;
+}
+
+.sb-topLeft .sb-item,
+.sb-topCenter .sb-item,
+.sb-topRight .sb-item {
+  margin: 10px 0 0;
+}
+
+.sb-bottomLeft .sb-item,
+.sb-bottomCenter .sb-item,
+.sb-bottomRight .sb-item {
+  margin: 0 0 10px;
+}
+
+.sb-closeBtn {
+  height: 20px;
+  opacity: 1;
+  overflow: hidden;
+  padding: 2px;
+  text-align: center;
+  text-shadow: none;
+  width: 20px;
+  cursor: pointer;
+  position: absolute;
+  right: 5px;
+  top: 5px;
+  transition: all 0.3s ease;
+  background: rgba(255, 255, 255, 0.6);
+  border-radius: 100%;
+}
+
+.sb-closeBtn:hover {
+  background: #fff;
+}
+
+.sb-closeIcon {
+  display: block;
+  font-size: 0;
+  height: 100%;
+  line-height: 0;
+  overflow: hidden;
+  position: relative;
+  width: 100%;
+}
+
+.sb-closeIcon:after,
+.sb-closeIcon:before {
+  content: ' ';
+  display: block;
+  height: 2px;
+  transition: all 0.3s ease;
+  width: 12px;
+  background-color: #222;
+  opacity: 1;
+  position: absolute;
+}
+
+.sb-closeIcon:before {
+  left: 4px;
+  top: 3px;
+
+  transform: rotate(45deg);
+  transform-origin: 0px 50%;
+}
+
+.sb-closeIcon:after {
+  right: 3px;
+  top: 5px;
+  transform: rotate(-45deg);
+  transform-origin: calc(100% - 3px) 50%;
+}
+
+.sb-title {
+  font-size: 16px;
+  font-weight: bold;
+}
+
+.sb-message {
+  font-size: 14px;
+  word-break: break-all;
+}
+
+.sb-item {
+  position: relative;
+  transition: height 300ms ease;
+  animation: fadein 1s;
+  padding: 20px;
+  color: white;
+  overflow: hidden;
+  border-radius: 4px;
+  box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.2), 0 1px 18px 0 rgba(0, 0, 0, 0.12),
+    0 3px 5px -1px rgba(0, 0, 0, 0.14);
+}
+
+.sb-item a {
+  color: white;
+  text-decoration: underline;
+}
+
+.sb-container .sb-hidden {
+  padding-top: 0;
+  padding-bottom: 0;
+  margin-bottom: 0;
+  height: 0;
+  opacity: 0;
+  transition: all 300ms ease;
+}
+
+.sb-success {
+  background-color: var(--snackbar-success);
+}
+
+.sb-error {
+  background-color: var(--snackbar-error);
+}
+
+.sb-warning {
+  background-color: var(--snackbar-warning);
+}
+
+.sb-info {
+  background-color: var(--snackbar-info);
+}
+
+@keyframes fadein {
+  from {
+    opacity: 0;
+    top: 30px;
+  }
+  to {
+    opacity: 1;
+    top: 0;
+  }
+}
+
+/* Internet Explorer */
+@-ms-keyframes fadein {
+  from {
+    opacity: 0;
+    top: 30px;
+  }
+  to {
+    opacity: 1;
+    top: 0;
+  }
+}

platform/ui/src/components/snackbar/SnackbarContainer.js

@@ -0,0 +1,53 @@
+import React from 'react';
+import SnackbarItem from './SnackbarItem';
+import './Snackbar.css';
+import { useSnackbarContext } from '../../utils/SnackbarProvider';
+
+const SnackbarContainer = () => {
+  const { snackbarItems, hide } = useSnackbarContext();
+
+  const renderItem = item => {
+    return <SnackbarItem key={item.itemId} options={item} onClose={hide} />;
+  };
+
+  if (!snackbarItems) {
+    return null;
+  }
+
+  const renderItems = () => {
+    const items = {
+      topLeft: [],
+      topCenter: [],
+      topRight: [],
+      bottomLeft: [],
+      bottomCenter: [],
+      bottomRight: [],
+    };
+
+    snackbarItems.map(item => {
+      items[item.position].push(item);
+    });
+
+    return (
+      <div>
+        {Object.keys(items).map(pos => {
+          if (!items[pos].length) {
+            return null;
+          }
+
+          return (
+            <div key={pos} className={`sb-container sb-${pos}`}>
+              {items[pos].map(item => (
+                <div key={item.id}>{renderItem(item)}</div>
+              ))}
+            </div>
+          );
+        })}
+      </div>
+    );
+  };
+
+  return <>{renderItems()}</>;
+};
+
+export default SnackbarContainer;

platform/ui/src/components/snackbar/SnackbarItem.js

@@ -0,0 +1,31 @@
+import React, { useState, useEffect } from 'react';
+
+const SnackbarItem = ({ options, onClose }) => {
+  const handleClose = () => {
+    onClose(options.id);
+  };
+
+  useEffect(() => {
+    if (options.autoClose) {
+      setTimeout(() => {
+        handleClose();
+      }, options.duration);
+    }
+  }, []);
+
+  return (
+    <div
+      className={`${options.visible ? '' : 'sb-hidden'} sb-${
+        options.type
+      } sb-item`}
+    >
+      <span className="sb-closeBtn" onClick={handleClose}>
+        <span className="sb-closeIcon">x</span>
+      </span>
+      {options.title && <div className="sb-title">{options.title}</div>}
+      {options.message && <div className="sb-message">{options.message}</div>}
+    </div>
+  );
+};
+
+export default SnackbarItem;

platform/ui/src/components/snackbar/SnackbarTypes.js

@@ -0,0 +1,6 @@
+export default {
+  INFO: 'info',
+  WARNING: 'warning',
+  SUCCESS: 'success',
+  ERROR: 'error',
+};

platform/ui/src/components/userPreferencesModal/AboutModal.js

@@ -1,14 +1,16 @@
 import React, { Component } from 'react';
 import PropTypes from 'prop-types';
 import Modal from 'react-bootstrap-modal';
+import detect from 'browser-detect';
 import './AboutModal.styl';
+import { withTranslation } from '../../utils/LanguageProvider';
 
 import 'react-bootstrap-modal/lib/css/rbm-patch.css';
 
 // TODO: Is this the only component importing these?
 import './../../design/styles/common/modal.styl';
 
-export class AboutModal extends Component {
+class AboutModal extends Component {
   constructor(props) {
     super(props);
   }
@@ -18,16 +20,41 @@ export class AboutModal extends Component {
     onCancel: PropTypes.func,
   };
 
-  static itemsPreset = [
+  itemsPreset() {
-    {
+    const { t } = this.props;
-      name: 'Repository URL',
+    const browser = detect();
-      value: 'https://github.com/OHIF/Viewers/',
+    const capitalize = s =>
-    },
+      s.substr(0, 1).toUpperCase() + s.substr(1).toLowerCase();
-    {
+
-      name: 'Latest Master Commits',
+    return [
-      value: 'https://github.com/OHIF/Viewers/commits/master',
+      {
-    },
+        name: t('Repository URL'),
-  ];
+        value: 'https://github.com/OHIF/Viewers/',
+        link: 'https://github.com/OHIF/Viewers/',
+      },
+      {
+        name: t('Latest Master Commits'),
+        value: 'https://github.com/OHIF/Viewers/commits/master',
+        link: 'https://github.com/OHIF/Viewers/commits/master',
+      },
+      {
+        name: 'Version Number',
+        value: process.env.VERSION_NUMBER,
+      },
+      {
+        name: t('Build Number'),
+        value: process.env.BUILD_NUM,
+      },
+      {
+        name: t('Browser'),
+        value: `${capitalize(browser.name)} ${browser.version}`,
+      },
+      {
+        name: t('OS'),
+        value: browser.os,
+      },
+    ];
+  }
 
   static defaultProps = {
     isOpen: false,
@@ -38,15 +65,20 @@ export class AboutModal extends Component {
       <tr key={item.name}>
         <td>{item.name}</td>
         <td>
-          <a target="_blank" href={item.value}>
+          {item.link ? (
-            {item.value}
+            <a target="_blank" href={item.link}>
-          </a>
+              {item.value}
+            </a>
+          ) : (
+            item.value
+          )}
         </td>
       </tr>
     );
   }
 
   render() {
+    const { t } = this.props;
     return (
       <Modal
         show={this.props.isOpen}
@@ -58,7 +90,7 @@ export class AboutModal extends Component {
         keyboard={false}
       >
         <Modal.Header closeButton>
-          <Modal.Title>About</Modal.Title>
+          <Modal.Title>{t('OHIF Viewer - About')}</Modal.Title>
         </Modal.Header>
         <Modal.Body>
           <div className="btn-group">
@@ -67,34 +99,36 @@ export class AboutModal extends Component {
               target="_blank"
               href="https://groups.google.com/forum/#!forum/cornerstone-platform"
             >
-              Visit the forum
+              {t('Visit the forum')}
             </a>
+            {` `}
             <a
               className="btn btn-default"
               target="_blank"
-              href="https://github.com/OHIF/Viewers/issues"
+              href="https://github.com/OHIF/Viewers/issues/new/choose"
             >
-              Report an issue
+              {t('Report an issue')}
             </a>
+            {` `}
             <a
               className="btn btn-default"
               target="_blank"
               href="http://ohif.org"
             >
-              More details
+              {t('More details')}
             </a>
           </div>
           <div>
-            <h3>Version Information</h3>
+            <h3>{t('Version Information')}</h3>
             <table className="table table-responsive">
               <thead>
                 <tr>
-                  <th>Name</th>
+                  <th>{t('Name')}</th>
-                  <th>Value</th>
+                  <th>{t('Value')}</th>
                 </tr>
               </thead>
               <tbody>
-                {AboutModal.itemsPreset.map(item => this.renderTableRow(item))}
+                {this.itemsPreset().map(item => this.renderTableRow(item))}
               </tbody>
             </table>
           </div>
@@ -103,3 +137,7 @@ export class AboutModal extends Component {
     );
   }
 }
+
+const connectedComponent = withTranslation('AboutModal')(AboutModal);
+export { connectedComponent as AboutModal };
+export default connectedComponent;

platform/ui/src/design/styles/common/modal.styl

@@ -12,6 +12,7 @@
   z-index: 1050;
   -webkit-overflow-scrolling: touch;
   outline: 0;
+  background: rgba(0,0,0,0.5);
 
   .modal-dialog
 

platform/ui/src/index.js

@@ -32,6 +32,10 @@ import { ScrollableArea } from './ScrollableArea/ScrollableArea.js';
 import Toolbar from './viewer/Toolbar.js';
 import ToolbarButton from './viewer/ToolbarButton.js';
 import ViewerbaseDragDropContext from './utils/viewerbaseDragDropContext.js';
+import SnackbarProvider, {
+  useSnackbarContext,
+  withSnackbar,
+} from './utils/SnackbarProvider';
 
 export {
   ICONS,
@@ -68,4 +72,7 @@ export {
   UserPreferences,
   UserPreferencesModal,
   ViewerbaseDragDropContext,
+  SnackbarProvider,
+  useSnackbarContext,
+  withSnackbar,
 };

platform/ui/src/utils/SnackbarProvider.js

@@ -0,0 +1,102 @@
+import React, { useState, createContext, useContext } from 'react';
+import SnackbarContainer from '../components/snackbar/SnackbarContainer';
+import SnackbarTypes from '../components/snackbar/SnackbarTypes';
+
+const SnackbarContext = createContext(null);
+
+export const useSnackbarContext = () => useContext(SnackbarContext);
+
+const SnackbarProvider = ({ children }) => {
+  const DEFAULT_OPTIONS = {
+    title: '',
+    message: '',
+    duration: 5000,
+    autoClose: true,
+    position: 'bottomRight',
+    type: SnackbarTypes.INFO,
+  };
+
+  const [count, setCount] = useState(1);
+  const [snackbarItems, setSnackbarItems] = useState([]);
+
+  const show = options => {
+    if (!options || (!options.title && !options.message)) {
+      console.warn(
+        'Snackbar cannot be rendered without required parameters: title | message'
+      );
+
+      return null;
+    }
+
+    const newItem = {
+      ...DEFAULT_OPTIONS,
+      ...options,
+      id: count,
+      visible: true,
+    };
+
+    setSnackbarItems(state => [...state, newItem]);
+    setCount(count + 1);
+  };
+
+  const hide = id => {
+    const hideItem = items => {
+      const newItems = items.map(item => {
+        if (item.id === id) {
+          item.visible = false;
+        }
+
+        return item;
+      });
+
+      return newItems;
+    };
+
+    setSnackbarItems(state => hideItem(state));
+
+    setTimeout(() => {
+      setSnackbarItems(state => [...state.filter(item => item.id !== id)]);
+    }, 1000);
+  };
+
+  const hideAll = () => {
+    // reset count
+    setCount(1);
+
+    // remove all items from array
+    setSnackbarItems(() => []);
+  };
+
+  /**
+   * expose snackbar methods to window for debug purposes
+   * TODO: Check if it's really necessary
+   */
+  window.snackbar = {
+    show,
+    hide,
+    hideAll,
+  };
+
+  return (
+    <SnackbarContext.Provider value={{ show, hide, hideAll, snackbarItems }}>
+      {!!snackbarItems && <SnackbarContainer />}
+      {children}
+    </SnackbarContext.Provider>
+  );
+};
+
+/**
+ *
+ * High Order Component to use the snackbar methods through a Class Component
+ *
+ */
+export const withSnackbar = Component => {
+  return function WrappedComponent(props) {
+    const snackbarContext = {
+      ...useSnackbarContext(),
+    };
+    return <Component {...props} snackbarContext={snackbarContext} />;
+  };
+};
+
+export default SnackbarProvider;

platform/viewer/CHANGELOG.md

@@ -3,6 +3,93 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [1.10.3](https://github.com/OHIF/Viewers/compare/@ohif/viewer@1.10.2...@ohif/viewer@1.10.3) (2019-10-18)
+
+**Note:** Version bump only for package @ohif/viewer
+
+
+
+
+
+## [1.10.2](https://github.com/OHIF/Viewers/compare/@ohif/viewer@1.10.1...@ohif/viewer@1.10.2) (2019-10-18)
+
+**Note:** Version bump only for package @ohif/viewer
+
+
+
+
+
+## [1.10.1](https://github.com/OHIF/Viewers/compare/@ohif/viewer@1.10.0...@ohif/viewer@1.10.1) (2019-10-16)
+
+**Note:** Version bump only for package @ohif/viewer
+
+
+
+
+
+# [1.10.0](https://github.com/OHIF/Viewers/compare/@ohif/viewer@1.9.1...@ohif/viewer@1.10.0) (2019-10-15)
+
+
+### Features
+
+* Add browser info and app version ([#1046](https://github.com/OHIF/Viewers/issues/1046)) ([c217b8b](https://github.com/OHIF/Viewers/commit/c217b8b))
+
+
+
+
+
+## [1.9.1](https://github.com/OHIF/Viewers/compare/@ohif/viewer@1.9.0...@ohif/viewer@1.9.1) (2019-10-15)
+
+
+### Bug Fixes
+
+* 🐛 Remove debugger statement left in from last PR ([#1052](https://github.com/OHIF/Viewers/issues/1052)) ([d091cd6](https://github.com/OHIF/Viewers/commit/d091cd6))
+
+
+
+
+
+# [1.9.0](https://github.com/OHIF/Viewers/compare/@ohif/viewer@1.8.0...@ohif/viewer@1.9.0) (2019-10-15)
+
+
+### Features
+
+* 🎸 Only allow reconstruction of datasets that make sense ([#1010](https://github.com/OHIF/Viewers/issues/1010)) ([2d75e01](https://github.com/OHIF/Viewers/commit/2d75e01)), closes [#561](https://github.com/OHIF/Viewers/issues/561)
+
+
+
+
+
+# [1.8.0](https://github.com/OHIF/Viewers/compare/@ohif/viewer@1.7.0...@ohif/viewer@1.8.0) (2019-10-14)
+
+
+### Features
+
+* Notification Service ([#1011](https://github.com/OHIF/Viewers/issues/1011)) ([92c8996](https://github.com/OHIF/Viewers/commit/92c8996))
+
+
+
+
+
+# [1.7.0](https://github.com/OHIF/Viewers/compare/@ohif/viewer@1.6.3...@ohif/viewer@1.7.0) (2019-10-14)
+
+
+### Features
+
+* Implement a 'Exit 2D MPR' button in the toolbar ([c99e0d8](https://github.com/OHIF/Viewers/commit/c99e0d8))
+
+
+
+
+
+## [1.6.3](https://github.com/OHIF/Viewers/compare/@ohif/viewer@1.6.2...@ohif/viewer@1.6.3) (2019-10-14)
+
+**Note:** Version bump only for package @ohif/viewer
+
+
+
+
+
 ## [1.6.2](https://github.com/OHIF/Viewers/compare/@ohif/viewer@1.6.1...@ohif/viewer@1.6.2) (2019-10-11)
 
 **Note:** Version bump only for package @ohif/viewer

platform/viewer/cypress/integration/common/OHIFCornerstoneToolbar.spec.js

@@ -2,12 +2,12 @@ describe('OHIF Cornerstone Toolbar', () => {
   before(() => {
     cy.openStudy('MISTER^MR');
     cy.waitDicomImage();
+    cy.expectMinimumThumbnails(1);
   });
 
   beforeEach(() => {
     cy.initCornerstoneToolsAliases();
     cy.initCommonElementsAliases();
-    //Following best practices, reset should be done before each test
     cy.resetViewport();
   });
 
@@ -42,9 +42,6 @@ describe('OHIF Cornerstone Toolbar', () => {
     cy.get('@moreBtn')
       .should('be.visible')
       .contains('More');
-    cy.get('@twodmprBtn')
-      .should('be.visible')
-      .contains('2D MPR');
     cy.get('@layoutBtn')
       .should('be.visible')
       .contains('Layout');
@@ -148,7 +145,7 @@ describe('OHIF Cornerstone Toolbar', () => {
     //Add annotation on the viewport
     const firstClick = [150, 100];
     const secondClick = [130, 170];
-    cy.addLine('.cornerstone-canvas', firstClick, secondClick);
+    cy.addLine('@viewport', firstClick, secondClick);
 
     //Verify if measurement annotation was added into the measurements panel
     cy.get('@measurementsBtn')
@@ -176,7 +173,7 @@ describe('OHIF Cornerstone Toolbar', () => {
     const initPos = [180, 390];
     const midPos = [300, 410];
     const finalPos = [180, 450];
-    cy.addAngle('.cornerstone-canvas', initPos, midPos, finalPos);
+    cy.addAngle('@viewport', initPos, midPos, finalPos);
 
     //Verify if measurement annotation was added into the measurements panel
     cy.get('@measurementsBtn')
@@ -361,33 +358,20 @@ describe('OHIF Cornerstone Toolbar', () => {
         .should('be.eq', 9);
     });
 
-    //Commented this to avoid throwing an wrong exception at the end of "Layout button" test
-    //this commented section should be uncommented once issue #999 is fixed. (https://github.com/OHIF/Viewers/issues/999)
-
     //verify if layout has changed to 1 viewport
-    //  cy.get('@layoutBtn').click();
+    cy.get('@layoutBtn').click();
-    //  cy.get('tbody > :nth-child(1) > :nth-child(1)').click();
+    cy.get('tbody > :nth-child(1) > :nth-child(1)').click();
-    //  cy.get('.viewport-container').then(($viewport) =>{
+    cy.get('.viewport-container').then($viewport => {
-    //    cy.wrap($viewport)
+      cy.wrap($viewport)
-    //      .its('length')
+        .its('length')
-    //      .should('be.eq', 1);
+        .should('be.eq', 1);
-    //  })
+    });
-    cy.reload();
-    cy.waitDicomImage();
   });
 
   it('checks if Clear tool will delete all measurements added in the viewport', () => {
     //Add measurements in the viewport
-    cy.get('@lengthBtn').click();
+    cy.addLengthMeasurement();
-    const firstClick = [150, 100];
+    cy.addAngleMeasurement();
-    const secondClick = [130, 170];
-    cy.addLine('.cornerstone-canvas', firstClick, secondClick);
-
-    cy.get('@angleBtn').click();
-    const initPos = [180, 390];
-    const midPos = [300, 410];
-    const finalPos = [180, 450];
-    cy.addAngle('.cornerstone-canvas', initPos, midPos, finalPos);
 
     //Verify if measurement annotation was added into the measurements panel
     cy.get('@measurementsBtn').click();
@@ -419,23 +403,18 @@ describe('OHIF Cornerstone Toolbar', () => {
 
   it('checks if Eraser tool will remove the measurements added in the viewport', () => {
     //Add measurements in the viewport
-    cy.get('@lengthBtn').click();
+    cy.addLengthMeasurement();
-    const firstClick = [150, 100];
+    cy.addAngleMeasurement();
-    const secondClick = [130, 170];
-    cy.addLine('.cornerstone-canvas', firstClick, secondClick);
-
-    cy.get('@angleBtn').click();
-    const initPos = [180, 390];
-    const midPos = [300, 410];
-    const finalPos = [180, 450];
-    cy.addAngle('.cornerstone-canvas', initPos, midPos, finalPos);
 
     //Verify if measurement annotation was added into the measurements panel
     cy.get('@measurementsBtn').click();
     cy.get('.measurementItem')
       .its('length')
       .should('be.eq', 2);
-    cy.get('@measurementsBtn').click();
+    cy.get('@measurementsBtn')
+      .click()
+      .wait(2000);
+    //cy.isNotInViewport('@measurementsPanel'); //TO DO: check this intermittent behaviour
 
     //Click More button
     cy.get('@moreBtn').click();
@@ -443,14 +422,14 @@ describe('OHIF Cornerstone Toolbar', () => {
     cy.get('.tooltip-inner > :nth-child(12)').click();
 
     //Erase measurement #1 and Verify if it was removed from the measurements panel
-    const [x1, y1] = firstClick;
+    const [x1, y1] = [150, 100];
     cy.get('@viewport').click(x1, y1, { force: true });
     cy.get('.measurementItem')
       .its('length')
       .should('be.eq', 1);
 
     //Erase measurement #2 and Verify if it was removed from the measurements panel
-    const [x2, y2] = initPos;
+    const [x2, y2] = [180, 390];
     cy.get('@viewport').click(x2, y2, { force: true });
     cy.get('.measurementItem').should('not.exist');
   });

platform/viewer/cypress/integration/common/OHIFStandaloneViewer.spec.js

@@ -4,6 +4,9 @@ describe('OHIFStandaloneViewer', () => {
   });
 
   it('loads route with at least 2 rows', () => {
+    cy.screenshot();
+    cy.percySnapshot();
+
     cy.get('#studyListData tr')
       .its('length')
       .should('be.gt', 2);

platform/viewer/cypress/integration/common/OHIFStudyViewer.spec.js

@@ -2,15 +2,18 @@ describe('OHIF Study Viewer Page', () => {
   before(() => {
     cy.openStudy('MISTER^MR');
     cy.waitDicomImage();
+    cy.expectMinimumThumbnails(1);
   });
 
   beforeEach(() => {
     cy.initCommonElementsAliases();
-    //Following best practices, reset should be done before each test
     cy.resetViewport();
   });
 
   it('checks if series thumbnails are being displayed', () => {
+    cy.screenshot();
+    cy.percySnapshot();
+
     cy.get('.ThumbnailEntryContainer')
       .its('length')
       .should('be.gt', 1);
@@ -62,8 +65,11 @@ describe('OHIF Study Viewer Page', () => {
     // Confirm Selection
     cy.get('.checkIconWrapper').click();
 
-    //Verify if 'Bone' label was added
+    // Verify if 'Bone' label was added
     cy.get('.measurementLocation').should('contain.text', 'Bone');
+    // Close panel
+    cy.get('@measurementsBtn').click();
+    cy.get('@measurementsPanel').should('not.be.enabled');
   });
 
   //TO-DO: Test case will fail due to issue #1013: https://github.com/OHIF/Viewers/issues/1013
@@ -90,4 +96,114 @@ describe('OHIF Study Viewer Page', () => {
   //   cy.get('.measurementLocation')
   //     .should('contain.text', descriptionText);
   // });
+
+  it('checks if measurement item can be deleted through the context menu on the viewport', () => {
+    cy.addLengthMeasurement([100, 100], [200, 100]); //Adding measurement in the viewport
+
+    //Right click on measurement annotation
+    const [x1, y1] = [150, 100];
+    cy.get('@viewport')
+      .trigger('mousedown', x1, y1, {
+        which: 3,
+      })
+      .trigger('mouseup', x1, y1, {
+        which: 3,
+      });
+
+    //Contextmenu is visible
+    cy.get('.ToolContextMenu').should('be.visible');
+
+    //Click "Delete measurement"
+    cy.get('.form-action')
+      .contains('Delete measurement')
+      .click();
+
+    //Open measurements menu
+    cy.get('@measurementsBtn').click();
+
+    //Verify measurements was removed from panel
+    cy.get('.measurementItem')
+      .should('not.exist')
+      .log('Annotation removed with success');
+
+    //Close panel
+    cy.get('@measurementsBtn').click();
+    cy.get('@measurementsPanel').should('not.be.enabled');
+  });
+
+  it('adds relabel and description to measurement item through the context menu on the viewport', () => {
+    cy.addLengthMeasurement([100, 100], [200, 100]); //Adding measurement in the viewport
+
+    // Relabel
+    // Right click on measurement annotation
+    const [x1, y1] = [150, 100];
+    cy.get('@viewport')
+      .trigger('mousedown', x1, y1, {
+        which: 3,
+      })
+      .trigger('mouseup', x1, y1, {
+        which: 3,
+      });
+
+    // Contextmenu is visible
+    cy.get('.ToolContextMenu').should('be.visible');
+
+    // Click "Relabel"
+    cy.get('.form-action')
+      .contains('Relabel')
+      .click();
+
+    // Search for "Brain"
+    cy.get('.searchInput').type('Brain');
+
+    // Select "Brain" Result
+    cy.get('.treeInputs > .wrapperLabel')
+      .contains('Brain')
+      .click();
+
+    // Confirm Selection
+    cy.get('.checkIconWrapper').click();
+
+    // Description
+    // Right click on measurement annotation
+    cy.get('@viewport')
+      .trigger('mousedown', x1, y1, {
+        which: 3,
+      })
+      .trigger('mouseup', x1, y1, {
+        which: 3,
+      });
+
+    // Contextmenu is visible
+    cy.get('.ToolContextMenu').should('be.visible');
+
+    // Click "Description"
+    cy.get('.form-action')
+      .contains('Add Description')
+      .click();
+
+    // Enter description text
+    const descriptionText = 'Adding text for description test';
+    cy.get('#description').type(descriptionText);
+
+    // Confirm
+    cy.get('.btn-confirm').click();
+
+    //Open measurements menu
+    cy.get('@measurementsBtn').click();
+
+    // Verify if label was added
+    cy.get('.measurementLocation')
+      .should('contain.text', 'Brain')
+      .log('Relabel added with success');
+
+    //Verify if descriptionText was added
+    cy.get('.measurementLocation')
+      .should('contain.text', descriptionText)
+      .log('Description added with success');
+
+    // Close panel
+    cy.get('@measurementsBtn').click();
+    cy.get('@measurementsPanel').should('not.be.enabled');
+  });
 });

platform/viewer/cypress/integration/pwa/OHIFExtensionHTML.spec.js

@@ -0,0 +1,24 @@
+describe('OHIF HTML Extension', () => {
+  before(() => {
+    cy.openStudy('Dummy');
+    cy.expectMinimumThumbnails(1);
+  });
+
+  it('checks if series thumbnails are being displayed', () => {
+    cy.get('[data-cy="thumbnail-list"]')
+      .contains('SR')
+      .its('length')
+      .should('to.be.at.least', 1);
+  });
+
+  it('drags and drop a SR thumbnail into viewport', () => {
+    cy.get('[data-cy="thumbnail-list"]')
+      .contains('SR')
+      .drag('.viewport-drop-target');
+
+    cy.get(':nth-child(2) > h1').should(
+      'contain.text',
+      'Imaging Measurement Report'
+    );
+  });
+});

platform/viewer/cypress/integration/pwa/OHIFExtensionPDF.spec.js

@@ -0,0 +1,23 @@
+describe('OHIF PDF Extension', () => {
+  before(() => {
+    cy.openStudy('Dummy');
+    cy.expectMinimumThumbnails(1);
+  });
+
+  it('checks if series thumbnails are being displayed', () => {
+    cy.get('[data-cy="thumbnail-list"]')
+      .contains('DOC')
+      .its('length')
+      .should('to.be.at.least', 1);
+  });
+
+  it('drags and drop a PDF thumbnail into viewport', () => {
+    cy.get('[data-cy="thumbnail-list"]')
+      .contains('DOC')
+      .drag('.viewport-drop-target');
+
+    cy.get('.DicomPDFViewport')
+      .its('length')
+      .should('be.eq', 1);
+  });
+});

platform/viewer/cypress/integration/pwa/OHIFExtensionVTK.spec.js

@@ -0,0 +1,51 @@
+describe('OHIF VTK Extension', () => {
+  before(() => {
+    cy.openStudy('Juno');
+    cy.waitDicomImage();
+    cy.expectMinimumThumbnails(1);
+  });
+
+  beforeEach(() => {
+    // TODO: We shouldn't have to drag the thumbnail
+    // This is a known bug; 2D MPR button does not show until viewport
+    // has data from a drag-n-drop
+    // Drag and drop first thumbnail into first viewport
+    cy.get('[data-cy="thumbnail-list"]:nth-child(3)').drag(
+      '.cornerstone-canvas'
+    );
+
+    cy.get('.PluginSwitch > .toolbar-button')
+      .as('twodmprBtn')
+      .should('be.visible')
+      .then(btn => {
+        if (!btn.text().includes('Exit')) {
+          btn.click();
+        }
+      });
+
+    cy.initVTKToolsAliases();
+    cy.wait(1000);
+  });
+
+  it('checks if VTK buttons are displayed on the toolbar', () => {
+    cy.get('@crosshairsBtn')
+      .should('be.visible')
+      .contains('Crosshairs');
+    cy.get('@wwwcBtn')
+      .should('be.visible')
+      .contains('WWWC');
+    cy.get('@rotateBtn')
+      .should('be.visible')
+      .contains('Rotate');
+    cy.get('@slabSlider')
+      .should('be.visible')
+      .contains('Slab Thickness');
+    cy.get('@modeDropdown')
+      .should('be.visible')
+      .contains('MIP');
+    cy.get('@modeCheckbox').should('be.visible');
+    cy.get('@layoutBtn')
+      .should('be.visible')
+      .contains('Layout');
+  });
+});

platform/viewer/cypress/plugins/index.js

@@ -7,10 +7,10 @@
 // You can read more here:
 // https://on.cypress.io/plugins-guide
 // ***********************************************************
+let percyHealthCheck = require('@percy/cypress/task');
 
 // This function is called when a project is opened or re-opened (e.g. due to
 // the project's config changing)
-
 module.exports = (on, config) => {
   // `on` is used to hook into various events Cypress emits
   // `config` is the resolved Cypress config
@@ -24,4 +24,6 @@ module.exports = (on, config) => {
       return args;
     }
   });
+
+  on('task', percyHealthCheck);
 };

platform/viewer/cypress/support/aliases.js

@@ -10,7 +10,6 @@ export function initCornerstoneToolsAliases() {
   cy.get('.ToolbarRow > :nth-child(9)').as('resetBtn');
   cy.get('.ToolbarRow > :nth-child(10)').as('cineBtn');
   cy.get('.expandableToolMenu').as('moreBtn');
-  cy.get('.PluginSwitch > .toolbar-button').as('twodmprBtn');
   cy.get('.btn-group > .toolbar-button').as('layoutBtn');
 }
 
@@ -32,3 +31,21 @@ export function initCommonElementsAliases() {
     'viewportInfoBottomRight'
   );
 }
+
+//Creating aliases for Routes
+export function initRouteAliases() {
+  cy.server();
+  cy.route('GET', '/dcm4chee-arc/**/series').as('getStudySeries');
+}
+
+//Creating aliases for VTK tools buttons
+export function initVTKToolsAliases() {
+  cy.get('.PluginSwitch > .toolbar-button').as('twodmprBtn');
+  cy.get('.ToolbarRow > :nth-child(2)').as('crosshairsBtn');
+  cy.get('.ToolbarRow > :nth-child(3)').as('wwwcBtn');
+  cy.get('.ToolbarRow > :nth-child(4)').as('rotateBtn');
+  cy.get('.slab-thickness').as('slabSlider');
+  cy.get('.select-ohif').as('modeDropdown');
+  cy.get('.ohif-check-label').as('modeCheckbox');
+  cy.get('.btn-group > .toolbar-button').as('layoutBtn');
+}

platform/viewer/cypress/support/commands.js

@@ -1,7 +1,10 @@
+import '@percy/cypress';
 import { DragSimulator } from '../helpers/DragSimulator.js';
 import {
   initCornerstoneToolsAliases,
   initCommonElementsAliases,
+  initRouteAliases,
+  initVTKToolsAliases,
 } from './aliases.js';
 
 // ***********************************************
@@ -36,14 +39,19 @@ import {
  * @param {string} PatientName - Patient name that we would like to search for
  */
 Cypress.Commands.add('openStudy', patientName => {
+  cy.initRouteAliases();
   cy.visit('/');
   cy.get('#patientName').type(patientName);
 
-  cy.get('.studylistStudy > .patientName')
+  cy.get('.studylistStudy > .patientName', { timeout: 5000 })
-    .as('patientResult')
+    .contains(patientName)
-    .then({ timeout: 5000 }, $patientResult => {
+    .click();
-      cy.contains(patientName).click();
+
-    });
+  // cy.get('.studylistStudy > .patientName')
+  //   .as('patientResult')
+  //   .should({ timeout: 3000 }, () => {
+  //     cy.contains(patientName).click();
+  //   });
 });
 
 /**
@@ -103,6 +111,12 @@ Cypress.Commands.add(
   }
 );
 
+Cypress.Commands.add('expectMinimumThumbnails', (seriesToWait = 1) => {
+  cy.get('[data-cy=thumbnail-list]', { timeout: 10000 }).should($itemList => {
+    expect($itemList.length >= seriesToWait).to.be.true;
+  });
+});
+
 //Command to wait DICOM image to load into the viewport
 Cypress.Commands.add('waitDicomImage', (timeout = 20000) => {
   cy.window()
@@ -182,21 +196,82 @@ Cypress.Commands.add('initCommonElementsAliases', () => {
   initCommonElementsAliases();
 });
 
-//Add measurements in the viewport
+//Initialize aliases for Routes
-Cypress.Commands.add('addLengthMeasurement', () => {
+Cypress.Commands.add('initRouteAliases', () => {
-  cy.initCornerstoneToolsAliases();
+  initRouteAliases();
-  cy.get('@lengthBtn').click();
+});
-  const firstClick = [150, 100];
+
-  const secondClick = [130, 170];
+//Initialize aliases for VTK tools
-  cy.addLine('.cornerstone-canvas', firstClick, secondClick);
+Cypress.Commands.add('initVTKToolsAliases', () => {
+  initVTKToolsAliases();
 });
 
 //Add measurements in the viewport
-Cypress.Commands.add('addAngleMeasurement', () => {
+Cypress.Commands.add(
-  cy.initCornerstoneToolsAliases();
+  'addLengthMeasurement',
-  cy.get('@angleBtn').click();
+  (firstClick = [150, 100], secondClick = [130, 170]) => {
-  const initPos = [180, 390];
+    cy.initCornerstoneToolsAliases();
-  const midPos = [300, 410];
+    cy.get('@lengthBtn').click();
-  const finalPos = [180, 450];
+    cy.addLine('@viewport', firstClick, secondClick);
-  cy.addAngle('.cornerstone-canvas', initPos, midPos, finalPos);
+  }
+);
+
+//Add measurements in the viewport
+Cypress.Commands.add(
+  'addAngleMeasurement',
+  (initPos = [180, 390], midPos = [300, 410], finalPos = [180, 450]) => {
+    cy.initCornerstoneToolsAliases();
+    cy.get('@angleBtn').click();
+    cy.addAngle('@viewport', initPos, midPos, finalPos);
+  }
+);
+
+/**
+ * Tests if element is NOT in viewport, or does not exist in DOM
+ *
+ * @param {string} element - element selector string or alias
+ * @returns
+ */
+Cypress.Commands.add('isNotInViewport', element => {
+  cy.get(element, { timeout: 3000 }).should($el => {
+    const bottom = Cypress.$(cy.state('window')).height() - 50;
+    const right = Cypress.$(cy.state('window')).width() - 50;
+
+    // If it's not visible, it's not in the viewport
+    if ($el) {
+      const rect = $el[0].getBoundingClientRect();
+
+      // TODO: support leftOf, above
+      const isBeneath = rect.top >= bottom && rect.bottom >= bottom;
+      const isRightOf = rect.left >= right && rect.right >= right;
+      const isNotInViewport = isBeneath && isRightOf;
+
+      expect(isNotInViewport).to.be.true;
+    }
+  });
+});
+
+/**
+ * Tests if element is in viewport, or it does exist in DOM
+ *
+ * @param {string} element - element selector string or alias
+ * @returns
+ */
+Cypress.Commands.add('isInViewport', element => {
+  cy.get(element, { timeout: 3000 }).should($el => {
+    const bottom = Cypress.$(cy.state('window')).height();
+    const right = Cypress.$(cy.state('window')).width();
+
+    // If it's not visible, it's not in the viewport
+    if ($el) {
+      const rect = $el[0].getBoundingClientRect();
+
+      // TODO: support leftOf, above
+      const isBeneath = rect.top < bottom && rect.bottom < bottom;
+      const isRightOf = rect.left < right && rect.right < right;
+      const isInViewport = isBeneath && isRightOf;
+
+      expect(isInViewport).to.be.true;
+    }
+  });
 });

platform/viewer/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/viewer",
-  "version": "1.6.2",
+  "version": "1.10.3",
   "description": "OHIF Viewer",
   "author": "OHIF Contributors",
   "license": "MIT",
@@ -27,9 +27,9 @@
     "dev:viewer": "yarn run dev",
     "start": "yarn run dev",
     "test:e2e": "cypress open",
-    "test:e2e:ci": "cypress run",
+    "test:e2e:ci": "percy exec -- cypress run",
     "test:e2e:dist": "start-server-and-test test:e2e:serve http://localhost:3000 test:e2e:ci",
-    "test:e2e:serve": "serve -l 3000 -s dist",
+    "test:e2e:serve": "serve -n -l 3000 -s dist",
     "test:unit": "jest --watchAll",
     "test:unit:ci": "jest --ci --runInBand --collectCoverage",
     "prepublishOnly": "yarn run build:package",
@@ -45,14 +45,14 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.5.5",
-    "@ohif/core": "^1.3.1",
+    "@ohif/core": "^1.4.0",
     "@ohif/extension-cornerstone": "^2.0.0",
     "@ohif/extension-dicom-html": "^1.0.0",
     "@ohif/extension-dicom-microscopy": "^0.50.6",
     "@ohif/extension-dicom-pdf": "^1.0.0",
-    "@ohif/extension-vtk": "^0.52.7",
+    "@ohif/extension-vtk": "^0.52.13",
-    "@ohif/i18n": "^0.50.5",
+    "@ohif/i18n": "^0.51.0",
-    "@ohif/ui": "^0.53.4",
+    "@ohif/ui": "^0.55.0",
     "@tanem/react-nprogress": "^1.1.25",
     "classnames": "^2.2.6",
     "core-js": "^3.2.1",
@@ -82,7 +82,7 @@
     "redux-oidc": "3.1.x",
     "redux-thunk": "^2.3.0",
     "reselect": "^4.0.0",
-    "vtk.js": "^11.0.1"
+    "vtk.js": "^11.6.0"
   },
   "devDependencies": {
     "cypress": "^3.3.1",

platform/viewer/src/App.js

@@ -27,6 +27,7 @@ import { BrowserRouter as Router } from 'react-router-dom';
 import { getActiveContexts } from './store/layout/selectors.js';
 import i18n from '@ohif/i18n';
 import store from './store';
+import { SnackbarProvider } from '@ohif/ui';
 
 // Contexts
 import WhiteLabellingContext from './context/WhiteLabellingContext';
@@ -99,7 +100,9 @@ class App extends Component {
                     <WhiteLabellingContext.Provider
                       value={this.props.whiteLabelling}
                     >
-                      <OHIFStandaloneViewer userManager={userManager} />
+                      <SnackbarProvider>
+                        <OHIFStandaloneViewer userManager={userManager} />
+                      </SnackbarProvider>
                     </WhiteLabellingContext.Provider>
                   </Router>
                 </UserManagerContext.Provider>
@@ -116,7 +119,9 @@ class App extends Component {
           <I18nextProvider i18n={i18n}>
             <Router basename={this.props.routerBasename}>
               <WhiteLabellingContext.Provider value={this.props.whiteLabelling}>
-                <OHIFStandaloneViewer />
+                <SnackbarProvider>
+                  <OHIFStandaloneViewer />
+                </SnackbarProvider>
               </WhiteLabellingContext.Provider>
             </Router>
           </I18nextProvider>

platform/viewer/src/components/Header/Header.css

@@ -96,3 +96,27 @@
   color: #91b9cd;
   margin-right: 1rem;
 }
+
+.header-versionInfo {
+  display: inline-block;
+  color: black;
+  background: #9ccef9;
+  padding: 0px 8px;
+  border-radius: 16px;
+  font-size: 12px;
+  margin-left: 10px;
+  font-weight: bold;
+}
+
+.header-versionInfoHome {
+  display: block;
+  color: black;
+  position: absolute;
+  bottom: 16px;
+  right: 0;
+  background: #9ccef9;
+  padding: 0px 8px;
+  border-radius: 16px;
+  font-size: 12px;
+  font-weight: bold;
+}

platform/viewer/src/components/Header/Header.js

@@ -101,6 +101,14 @@ class Header extends Component {
             </Link>
           )}
 
+          <span
+            className={`${
+              this.props.home ? 'header-versionInfoHome' : 'header-versionInfo'
+            }`}
+          >
+            v{process.env.VERSION_NUMBER}
+          </span>
+
           {this.props.children}
 
           {showStudyList && !this.props.home && (

platform/viewer/src/connectedComponents/ConnectedPluginSwitch.js

@@ -1,9 +1,14 @@
-// import OHIF from '@ohif/core';
+import OHIF from '@ohif/core';
+import React from 'react';
 import PluginSwitch from './PluginSwitch.js';
 import { commandsManager } from './../App.js';
 import { connect } from 'react-redux';
 
-// const { setLayout } = OHIF.redux.actions;
+const { setLayout } = OHIF.redux.actions;
+
+const ConnectedPluginSwitch = props => {
+  return <PluginSwitch {...props} />;
+};
 
 const mapStateToProps = state => {
   const { activeViewportIndex, layout, viewportSpecificData } = state.viewports;
@@ -15,13 +20,13 @@ const mapStateToProps = state => {
   };
 };
 
-// const mapDispatchToProps = dispatch => {
+const mapDispatchToProps = dispatch => {
-//   return {
+  return {
-//     setLayout: data => {
+    setLayout: data => {
-//       dispatch(setLayout(data));
+      dispatch(setLayout(data));
-//     }
+    },
-//   };
+  };
-// };
+};
 
 /*function setSingleLayoutData(originalArray, viewportIndex, data) {
   const viewports = originalArray.slice();
@@ -33,23 +38,35 @@ const mapStateToProps = state => {
 }*/
 
 const mergeProps = (propsFromState, propsFromDispatch, ownProps) => {
-  //const { activeViewportIndex, layout } = propsFromState;
+  const { activeViewportIndex, viewportSpecificData } = propsFromState;
-  //const { setLayout } = propsFromDispatch;
+  const { studies } = ownProps;
+  const { setLayout } = propsFromDispatch;
 
-  // TODO: Do not display certain options if the current display set
-  // cannot be displayed using these view types
   const mpr = () => {
     commandsManager.runCommand('mpr2d');
   };
+
+  const exitMpr = () => {
+    const layout = {
+      numRows: 1,
+      numColumns: 1,
+      viewports: [{ plugin: 'cornerstone' }],
+    };
+
+    setLayout(layout);
+  };
+
   return {
     mpr,
+    exitMpr,
+    activeViewportIndex,
+    viewportSpecificData,
+    studies,
   };
 };
 
-const ConnectedPluginSwitch = connect(
+export default connect(
   mapStateToProps,
-  null, // mapDispatchToProps
+  mapDispatchToProps,
   mergeProps
-)(PluginSwitch);
+)(ConnectedPluginSwitch);
-
-export default ConnectedPluginSwitch;

platform/viewer/src/connectedComponents/PluginSwitch.js

@@ -6,17 +6,101 @@ import './PluginSwitch.css';
 class PluginSwitch extends Component {
   static propTypes = {
     mpr: PropTypes.func,
+    activeViewportIndex: PropTypes.number,
+    viewportSpecificData: PropTypes.object,
+    studies: PropTypes.array,
+    exitMpr: PropTypes.func,
   };
 
   static defaultProps = {};
+  constructor(props) {
+    super(props);
+    this.state = {
+      isPlugSwitchOn: false,
+      label: '2D MPR',
+      icon: 'cube',
+    };
+  }
+
+  handleClick = () => {
+    if (this.state.isPlugSwitchOn) {
+      this.setState({
+        isPlugSwitchOn: false,
+        label: '2D MPR',
+        icon: 'cube',
+      });
+      this.props.exitMpr();
+    } else {
+      this.setState({
+        isPlugSwitchOn: true,
+        label: 'Exit 2D MPR',
+        icon: 'times',
+      });
+      this.props.mpr();
+    }
+  };
 
   render() {
+    const { label, icon } = this.state;
+
+    // Render exit mpr if switched on, otherwise check if mpr button should be displayed.
+    const shouldRender =
+      this.state.isPlugSwitchOn || _shouldRenderMpr2DButton.call(this);
+
     return (
-      <div className="PluginSwitch">
+      <>
-        <ToolbarButton label="2D MPR" icon="cube" onClick={this.props.mpr} />
+        {shouldRender && (
-      </div>
+          <div className="PluginSwitch">
+            <ToolbarButton
+              label={label}
+              icon={icon}
+              onClick={this.handleClick}
+            />
+          </div>
+        )}
+      </>
     );
   }
 }
 
+function _shouldRenderMpr2DButton() {
+  const { viewportSpecificData, studies, activeViewportIndex } = this.props;
+
+  if (!viewportSpecificData[activeViewportIndex]) {
+    return;
+  }
+
+  const { displaySetInstanceUid, studyInstanceUid } = viewportSpecificData[
+    activeViewportIndex
+  ];
+
+  const displaySet = _getDisplaySet(
+    studies,
+    studyInstanceUid,
+    displaySetInstanceUid
+  );
+
+  if (!displaySet) {
+    return;
+  }
+
+  return displaySet.isReconstructable;
+}
+
+function _getDisplaySet(studies, studyInstanceUid, displaySetInstanceUid) {
+  const study = studies.find(
+    study => study.studyInstanceUid === studyInstanceUid
+  );
+
+  if (!study) {
+    return;
+  }
+
+  const displaySet = study.displaySets.find(set => {
+    return set.displaySetInstanceUid === displaySetInstanceUid;
+  });
+
+  return displaySet;
+}
+
 export default PluginSwitch;

platform/viewer/src/connectedComponents/ToolbarRow.js

@@ -25,6 +25,7 @@ class ToolbarRow extends Component {
     selectedRightSidePanel: PropTypes.string.isRequired,
     handleSidePanelChange: PropTypes.func,
     activeContexts: PropTypes.arrayOf(PropTypes.string).isRequired,
+    studies: PropTypes.array,
   };
 
   constructor(props) {
@@ -128,7 +129,7 @@ class ToolbarRow extends Component {
           </div>
           {buttonComponents}
           <ConnectedLayoutButton />
-          <ConnectedPluginSwitch />
+          <ConnectedPluginSwitch studies={this.props.studies} />
           <div
             className="pull-right m-t-1 rm-x-1"
             style={{ marginLeft: 'auto' }}
@@ -229,7 +230,6 @@ function _getButtonComponents(toolbarButtons, activeButtons) {
   });
 }
 
-
 /**
  * A handy way for us to handle different button types. IE. firing commands for
  * buttons, or initiation built in behavior.

platform/viewer/src/connectedComponents/Viewer.js

@@ -279,6 +279,7 @@ class Viewer extends Component {
 
             this.setState(updatedState);
           }}
+          studies={this.props.studies}
         />
 
         {/*<ConnectedStudyLoadingMonitor studies={this.props.studies} />*/}

platform/viewer/src/variables.css

@@ -1,6 +1,6 @@
-/* Sizes */
-
 :root {
+  /* Sizes */
+
   --top-bar-height: 40px;
   --top-bar-expanded-height: 160px;
   --toolbar-height: 78px;
@@ -9,19 +9,26 @@
   --right-sidepanel-menu-width: 323px;
   --study-list-padding: 8%;
   --study-list-padding-medium-screen: 10px;
-}
+  --snackbar-size: 344px;
 
-/* Transitions */
+  /* Transitions */
 
-:root {
   --transition-duration: 0.3s;
   --transition-effect: ease;
   --sidepanel-transition: all 0.3s ease;
-}
 
-/* Thicknesses */
+  /* Thicknesses */
 
-:root {
   --viewport-border-thickness: 1px;
   --ui-border-thickness: 1px;
+
+  /** Colors **/
+
+  --snackbar-success: rgba(94, 164, 0, 0.9);
+  --snackbar-error: rgba(236, 61, 61, 0.9);
+  --snackbar-warning: rgba(235, 173, 23, 0.9);
+  --snackbar-info: rgba(54, 156, 199, 0.9);
+
+  /** z-Index **/
+  --snackbar-zIndex: 10;
 }