Merged LesionTracker and OHIF Viewer, refactored out common components

Packages/cornerstone/client/cornerstoneWADORSImageLoader.js

@@ -0,0 +1,77 @@
+cornerstoneWADORSImageLoader = {
+  internal : {
+    nextIndex: 0,
+    imageIds : []
+  }
+};
+
+cornerstoneWADORSImageLoader.addImage = function(image) {
+  var index = cornerstoneWADORSImageLoader.internal.nextIndex++;
+  cornerstoneWADORSImageLoader.internal.imageIds[index] = image;
+  var imageId = 'wadors:' + index;
+  return imageId;
+};
+
+function getMinMax(storedPixelData)
+{
+  // we always calculate the min max values since they are not always
+  // present in DICOM and we don't want to trust them anyway as cornerstone
+  // depends on us providing reliable values for these
+  var min = 65535;
+  var max = -32768;
+  var numPixels = storedPixelData.length;
+  var pixelData = storedPixelData;
+  for(var index = 0; index < numPixels; index++) {
+    var spv = pixelData[index];
+    // TODO: test to see if it is faster to use conditional here rather than calling min/max functions
+    min = Math.min(min, spv);
+    max = Math.max(max, spv);
+  }
+
+  return {
+    min: min,
+    max: max
+  };
+}
+
+cornerstone.registerImageLoader('wadors', function(imageId) {
+  var index = imageId.substring(7);
+  var image = cornerstoneWADORSImageLoader.internal.imageIds[index];
+
+  var deferred = $.Deferred();
+
+  var mediaType;// = 'image/dicom+jp2';
+
+  DICOMWeb.getImageFrame(image.uri, mediaType).then(function(result) {
+    //console.log(result);
+    // TODO: add support for retrieving compressed pixel data
+    var storedPixelData;
+    if(image.instance.bitsAllocated === 16) {
+      if(image.instance.pixelRepresentation === 0) {
+        storedPixelData = new Uint16Array(result.arrayBuffer, result.offset, result.length / 2);
+      } else {
+        storedPixelData = new Int16Array(result.arrayBuffer, result.offset, result.length / 2);
+      }
+    } else if(image.instance.bitsAllocated === 8) {
+      storedPixelData = new Uint8Array(result.arrayBuffer, result.offset, result.length);
+    }
+
+    // TODO: handle various color space conversions
+
+    var minMax = getMinMax(storedPixelData);
+    image.imageId = imageId;
+    image.minPixelValue = minMax.min;
+    image.maxPixelValue = minMax.max;
+    image.render = cornerstone.renderGrayscaleImage;
+    image.getPixelData = function() {
+      return storedPixelData;
+    };
+    //console.log(image);
+    deferred.resolve(image);
+  }).catch(function(reason) {
+    deferred.reject(reason);
+  });
+
+  return deferred;
+});
+

Packages/cornerstone/package.js

@@ -0,0 +1,27 @@
+Package.describe({
+  name: "cornerstone",
+  summary: "Cornerstone Web-based Medical Imaging libraries",
+  version: '0.0.1'
+});
+
+Package.onUse(function (api) {
+    api.versionsFrom('1.2.0.2');
+
+    api.use('jquery');
+
+    api.addFiles('client/cornerstone.js', 'client', {bare: true});
+    api.addFiles('client/cornerstoneMath.js', 'client', {bare: true});
+    api.addFiles('client/cornerstoneTools.js', 'client', {bare: true});
+    api.addFiles('client/cornerstoneWADOImageLoader.js', 'client', {bare: true});
+    api.addFiles('client/cornerstoneWADORSImageLoader.js', 'client', {bare: true});
+    api.addFiles('client/dicomParser.js', 'client', {bare: true});
+    api.addFiles('client/hammer.js', 'client', {bare: true});
+
+    api.export("cornerstone", 'client');
+    api.export("cornerstoneMath", 'client');
+    api.export("cornerstoneTools", 'client');
+    api.export("cornerstoneWADOImageLoader", 'client');
+    api.export("cornerstoneWADORSImageLoader", 'client');
+    api.export("dicomParser", 'client');
+});
+

Packages/dicomweb/package.js

@@ -0,0 +1,17 @@
+Package.describe({
+  name: "dicomweb",
+  summary: "DICOM Web Helper Functions",
+  version: '0.0.1'
+});
+
+Package.onUse(function (api) {
+    api.addFiles('server/namespace.js', 'server');
+    api.addFiles('server/getImageFrame.js', 'server');
+    api.addFiles('server/getJSON.js', 'server');
+    api.addFiles('server/getName.js', 'server');
+    api.addFiles('server/getNumber.js', 'server');
+    api.addFiles('server/getString.js', 'server');
+
+    api.export("DICOMWeb", 'server');
+});
+

Packages/dicomweb/server/getImageFrame.js

@@ -0,0 +1,70 @@
+function findBoundary(header) {
+  for(var i=0; i < header.length; i++) {
+    if(header[i].substr(0,2) === '--') {
+      return header[i];
+    }
+  }
+  return undefined;
+}
+
+function findContentType(header) {
+  for(var i=0; i < header.length; i++) {
+    if(header[i].substr(0,13) === 'Content-Type:') {
+      return header[i].substr(13).trim();
+    }
+  }
+  return undefined;
+}
+
+DICOMWeb.getImageFrame = function(uri, mediaType) {
+  mediaType = mediaType || 'application/octet-stream';
+
+  return new Promise(function(resolve, reject) {
+    var xhr = new XMLHttpRequest();
+    xhr.responseType = "arraybuffer";
+    xhr.open("get", uri, true);
+    xhr.setRequestHeader('Accept', 'multipart/related;type=' + mediaType);
+    xhr.onreadystatechange = function (oEvent) {
+      // TODO: consider sending out progress messages here as we receive the pixel data
+      if (xhr.readyState === 4) {
+        if (xhr.status === 200) {
+          // request succeeded, Parse the multi-part mime response
+          var imageFrameAsArrayBuffer = xhr.response;
+          var response = new Uint8Array(xhr.response);
+          // First look for the multipart mime header
+          var tokenIndex = findIndexOfString(response, '\n\r\n');
+          if(tokenIndex === -1) {
+            reject('invalid response - no multipart mime header');
+          }
+          var header = uint8ArrayToString(response, 0, tokenIndex);
+          // Now find the boundary  marker
+          var split = header.split('\r\n');
+          var boundary = findBoundary(split);
+          if(!boundary) {
+            reject('invalid response - no boundary marker');
+          }
+          var offset = tokenIndex + 4; // skip over the \n\r\n
+
+          // find the terminal boundary marker
+          var endIndex = findIndexOfString(response, boundary, offset);
+          if(endIndex === -1) {
+            reject('invalid response - terminating boundary not found');
+          }
+          // return the info for this pixel data
+          var length = endIndex - offset - 1;
+          resolve({
+            contentType: findContentType(split),
+            arrayBuffer: imageFrameAsArrayBuffer,
+            offset: offset,
+            length: length
+          });
+        }
+        else {
+          // request failed, reject the deferred
+          reject(xhr.response);
+        }
+      }
+    };
+    xhr.send();
+  });
+};

Packages/dicomweb/server/getJSON.js

@@ -0,0 +1,31 @@
+DICOMWeb.getJSON = function(url, options) {
+  var getOptions = {
+    headers: {
+        'Accept' : 'application/json'
+    },
+  };
+
+  if (options.auth) {
+    getOptions.auth = options.auth;
+  }
+
+  if (options.logRequests) {
+    console.log(url);
+  }
+
+  if (options.logTiming) {
+    console.time(url);
+  }
+
+  var result = HTTP.get(url, getOptions);
+
+  if (options.logTiming) {
+    console.timeEnd(url);
+  }
+
+  if (options.logResponses) {
+    console.log(result.data);
+  }
+
+  return result;
+};

Packages/dicomweb/server/getName.js

@@ -0,0 +1,26 @@
+/**
+ * Returns the Alphabetic version of a PN
+ *
+ * @param element - The group/element of the element (e.g. '00200013')
+ * @param [defaultValue] - The default value to return if the element is not found
+ * @returns {*}
+ */
+DICOMWeb.getName = function(element, defaultValue) {
+  if(!element) {
+    return defaultValue;
+  }
+  // Value is not present if the attribute has a zero length value
+  if(!element.Value) {
+    return defaultValue;
+  }
+  // Sanity check to make sure we have at least one entry in the array.
+  if(!element.Value.length) {
+    return defaultValue;
+  }
+  // Return the Alphabetic component group
+  if(element.Value[0].Alphabetic) {
+    return element.Value[0].Alphabetic;
+  }
+  // Orthanc does not return PN properly so this is a temporary workaround
+  return element.Value[0];
+};

Packages/dicomweb/server/getNumber.js

@@ -0,0 +1,20 @@
+/**
+ * Returns the first string value as a Javascript Number
+ * @param element - The group/element of the element (e.g. '00200013')
+ * @param [defaultValue] - The default value to return if the element does not exist
+ * @returns {*}
+ */
+DICOMWeb.getNumber = function(element, defaultValue) {
+  if(!element) {
+    return defaultValue;
+  }
+  // Value is not present if the attribute has a zero length value
+  if(!element.Value) {
+    return defaultValue;
+  }
+  // Sanity check to make sure we have at least one entry in the array.
+  if(!element.Value.length) {
+    return defaultValue;
+  }
+  return parseFloat(element.Value[0]);
+};

Packages/dicomweb/server/getString.js

@@ -0,0 +1,23 @@
+/**
+ * Returns the specified element as a string.  Multi-valued elements will be separated by a backslash
+ *
+ * @param element - The group/element of the element (e.g. '00200013')
+ * @param [defaultValue] - The value to return if the element is not present
+ * @returns {*}
+ */
+DICOMWeb.getString = function(element, defaultValue) {
+  if(!element) {
+    return defaultValue;
+  }
+  // Value is not present if the attribute has a zero length value
+  if(!element.Value) {
+    return defaultValue;
+  }
+  // Sanity check to make sure we have at least one entry in the array.
+  if(!element.Value.length) {
+    return defaultValue;
+  }
+  // Join the array together separated by backslash
+  // NOTE: Orthanc does not correctly split values into an array so the join is a no-op
+  return element.Value.join('\\');
+};

Packages/dicomweb/server/namespace.js

@@ -0,0 +1 @@
+DICOMWeb = {};

Packages/viewerbase/components/basic/layout/layout.html

@@ -0,0 +1,31 @@
+<template name="layout">
+    <nav class="navbar navbar-default" role="navigation">
+        <div class="container-fluid">
+            <div class="navbar-header">
+                <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
+                  <span class="sr-only">Toggle navigation</span>
+                  <span class="icon-bar"></span>
+                  <span class="icon-bar"></span>
+                  <span class="icon-bar"></span>
+                </button>
+                <a class="navbar-brand" href="/">OHIF Viewer</a>
+            </div>
+            <div id="navbar" class="navbar-collapse collapse">
+                <ul class="nav navbar-nav navbar-right">
+                    <li>
+                        <a href="http://www.ohif.org">About</a>
+                    </li>
+                    <li>
+                        <form class="navbar-form">
+                            <div class="form-group">
+                                {{> loginButtons align="right"}}
+                            </div>
+                        </form>
+                    </li>
+                </ul>
+            </div>
+        </div>
+    </nav>
+
+    {{> yield}}
+</template>

Packages/viewerbase/components/basic/layout/layout.styl

@@ -0,0 +1,18 @@
+.navbar
+  margin-bottom: 0
+  border-radius: 0px
+
+.navbar-form
+  margin: 0
+  padding: 15px 3px
+
+.navbar-default
+  -webkit-transition: background-color 200ms linear
+  -moz-transition: background-color 200ms linear
+  -o-transition: background-color 200ms linear
+  -ms-transition: background-color 200ms linear
+  transition: background-color 200ms linear
+  
+@media (min-width: 768px)
+  .navbar
+    border-radius: 0px

Packages/viewerbase/components/basic/login/login.html

@@ -0,0 +1,3 @@
+<template name="login">
+    {{> atForm}}
+</template>

Packages/viewerbase/components/basic/notFound/notFound.html

@@ -0,0 +1,3 @@
+<template name="notFound">
+    Not found
+</template>

Packages/viewerbase/components/studyBrowser/imageThumbnail/imageThumbnail.html

@@ -0,0 +1,4 @@
+<template name="imageThumbnail">
+    <div class="imageThumbnail">
+    </div>
+</template>

Packages/viewerbase/components/studyBrowser/imageThumbnail/imageThumbnail.js

@@ -0,0 +1,11 @@
+Template.imageThumbnail.onRendered(function() {
+  var instance = this.data.instances[0];
+  var element = this.find('.imageThumbnail');
+  cornerstone.enable(element);
+
+  var imageId = getImageId(instance);
+
+  cornerstone.loadAndCacheImage(imageId).then(function(image) {
+    cornerstone.displayImage(element, image);
+  });
+});

Packages/viewerbase/components/studyBrowser/imageThumbnail/imageThumbnail.styl

@@ -0,0 +1,5 @@
+.imageThumbnail
+  width: 90px
+  height: 90px
+  background-color: black
+  margin: 0 auto

Packages/viewerbase/components/studyBrowser/studyBrowser/studyBrowser.html

@@ -0,0 +1,7 @@
+<template name="studyBrowser">
+    <div class="studyBrowser">
+        {{#each studies}}
+            {{> thumbnails}}
+        {{/each}}
+    </div>
+</template>

Packages/viewerbase/components/studyBrowser/studyBrowser/studyBrowser.js

@@ -0,0 +1,6 @@
+Template.studyBrowser.helpers({
+  studies : function() {
+    var studies = Session.get('studies');
+    return studies;
+  }
+});

Packages/viewerbase/components/studyBrowser/studyBrowser/studyBrowser.styl

@@ -0,0 +1,6 @@
+.studyBrowser
+  float: left
+  height: 100%
+  width: 120px
+  overflow: auto
+  background-color: black

Packages/viewerbase/components/studyBrowser/thumbnailEntry/thumbnailEntry.html

@@ -0,0 +1,6 @@
+<template name="thumbnailEntry">
+    <div class="thumbnailEntry">
+        {{ > imageThumbnail }}
+        <div class='seriesDescription noselect'>{{seriesDescription}}</div>
+    </div>
+</template>

Packages/viewerbase/components/studyBrowser/thumbnailEntry/thumbnailEntry.js

@@ -0,0 +1,221 @@
+function cloneElement(element, targetId) {
+    // Clone the DOM element
+    var clone = element.cloneNode(true);
+
+    // Find any canvas children to clone
+    var clonedCanvases = $(clone).find('canvas');
+    clonedCanvases.each(function(canvasIndex, clonedCanvas) {
+        // Draw from the original canvas to the cloned canvas
+        var context = clonedCanvas.getContext('2d');
+        var thumbnailCanvas = $(element).find('canvas').get(canvasIndex);
+        context.drawImage(thumbnailCanvas, 0, 0);
+    });
+
+    // Update the clone with the targetId
+    clone.id = targetId;
+    clone.style.visibility = 'hidden';
+    return clone;
+}
+
+function thumbnailDragStartHandler(e) {
+    // Prevent any scrolling behaviour normally caused by the original event
+    e.originalEvent.preventDefault();
+
+    // Identify the current study and series index from the thumbnail's DOM position
+    var targetThumbnail = e.currentTarget;
+    var imageThumbnail = $(targetThumbnail);
+    
+    // Store this data for use during drag and drop
+    OHIF.viewer.dragAndDropData = {
+        studyInstanceUid: imageThumbnail.data('studyInstanceUid'),
+        seriesInstanceUid: imageThumbnail.data('seriesInstanceUid')
+    };
+    
+    // Clone the image thumbnail
+    var targetId = targetThumbnail.id + 'DragClone';
+    var clone = cloneElement(targetThumbnail, targetId);
+    clone.classList.add('imageThumbnailClone');
+    
+    // Set pointerEvents to pass through the clone DOM element
+    // This is necessary in order to identify what is below it
+    // when using document.elementFromPoint
+    clone.style.pointerEvents = "none";
+
+    // Append the clone to the parent of the target
+    targetThumbnail.parentNode.appendChild(clone);
+    
+    // Set the cursor x and y positions from the current touch/mouse coordinates
+    // Handle touchStart cases
+    if (e.type === 'touchstart') {
+        cursorX = e.originalEvent.touches[0].pageX;
+        cursorY = e.originalEvent.touches[0].pageY;
+    } else {
+        cursorX = e.pageX;
+        cursorY = e.pageY;
+
+        // Also hook up event handlers for mouse events
+        $(document).on('mousemove', function(e) {
+            thumbnailDragHandler(e, targetThumbnail);
+        });
+        $(document).on('mouseup', function(e) {
+            thumbnailDragEndHandler(e, targetThumbnail);
+        });
+    }
+
+    // This block gets the current position of the touch/mouse
+    // relative to the thumbnail itself
+    // 
+    // i.e. Where did the user grab it from?
+    var position = imageThumbnail.offset();
+    var left = position.left;
+    var top = position.top;
+
+    // This difference is saved for later so the element movement looks normal
+    diffX = cursorX - left;
+    diffY = cursorY - top;
+    
+    // This sets the default style properties of the cloned element so it is
+    // ready to be dragged around the page
+    $(clone).css({
+        top: top,
+        left: left,
+        position: 'absolute',
+        'z-index': 100,
+        visibility: 'hidden'
+    });
+}
+
+function thumbnailDragHandler(e, target) {
+    // Get the touch/mouse coordinates from the event
+    var cursorX,
+        cursorY;
+    if (e.type === 'touchmove') {
+        cursorX = e.originalEvent.changedTouches[0].pageX;
+        cursorY = e.originalEvent.changedTouches[0].pageY;
+    } else {
+        cursorX = e.pageX;
+        cursorY = e.pageY;
+    }
+
+    // Find the clone element and update it's position on the page
+    var clone = $('#' + target.id + 'DragClone');
+    clone.css({
+        top: cursorY - diffY,
+        left: cursorX - diffX,
+        position: 'absolute',
+        'z-index': 100,
+        visibility: 'visible'
+    });
+    
+    // Identify the element below the current cursor position
+    var elemBelow = document.elementFromPoint(cursorX + diffX, cursorY + diffY);
+
+    // If none exists, stop here
+    if (!elemBelow) {
+        return;
+    }
+
+    // Remove any current faded effects on viewports
+    $('.imageViewerViewport canvas').removeClass('faded');
+
+    // Figure out what to do depending on what we're dragging over
+    var viewportsDraggedOver = $(elemBelow).parents('.imageViewerViewport');
+    if (viewportsDraggedOver.length) {
+        // If we're dragging over a non-empty viewport, fade it and change the cursor style
+        viewportsDraggedOver.find('canvas').not('.magnifyTool').addClass('faded');
+        document.body.style.cursor = "copy";
+    } else if (elemBelow.classList.contains('imageViewerViewport') && elemBelow.classList.contains('empty')) {
+        // If we're dragging over an empty viewport, just change the cursor style
+        document.body.style.cursor = "copy";
+    } else {
+        // Otherwise, keep the cursor as no-drop style
+        document.body.style.cursor = "no-drop";
+    }
+}
+
+function thumbnailDragEndHandler(e, target) {
+    // Remove the mouse event listeners
+    $(document).off('mousemove mouseup');
+
+    // Reset the cursor style to the default
+    document.body.style.cursor = "auto";
+
+    // Get the cloned element
+    var clone = $('#' + target.id + 'DragClone');
+
+    // If it doesn't exist, stop here
+    if (!clone.length) {
+        return;
+    }
+
+    var top = clone.offset().top;
+    var left = clone.offset().left;
+
+    // Identify the element below the cloned element position
+    var elemBelow = document.elementFromPoint(left + diffX, top + diffY);
+
+    // Remove all cloned elements from the page
+    $('.imageThumbnailClone').remove();
+
+    // Remove any current faded effects on viewports
+    $('.imageViewerViewport canvas').removeClass('faded');
+    
+    // If none exists, stop here
+    if (!elemBelow) {
+        return;
+    }
+
+    // Remove any fade effects on the element below
+    elemBelow.classList.remove('faded');
+
+    var element;
+    var viewportsDraggedOver = $(elemBelow).parents('.imageViewerViewport');
+    if (viewportsDraggedOver.length) {
+        // If we're dragging over a non-empty viewport, retrieve it
+        element = viewportsDraggedOver.get(0);
+    } else if (elemBelow.classList.contains('imageViewerViewport') &&
+               elemBelow.classList.contains('empty')) {
+        // If we're dragging over an empty viewport, retrieve that instead
+        element = elemBelow;
+    } else {
+        // Otherwise, stop here
+        return false;
+    }
+
+    // If there is no store drag and drop data, stop here
+    if (!OHIF.viewer.dragAndDropData) {
+        return false;
+    }
+
+    // Rerender the viewport using the drag and drop data
+    rerenderViewportWithNewSeries(element, OHIF.viewer.dragAndDropData);
+    return false;
+}
+
+Template.thumbnailEntry.onRendered(function() {
+    var entry = this.find('.thumbnailEntry');
+    $(entry).data('seriesInstanceUid', Template.parentData(0).seriesInstanceUid);
+    $(entry).data('studyInstanceUid', Template.parentData(1).studyInstanceUid);
+});
+
+Template.thumbnailEntry.events({
+    // Touch drag/drop events
+    'touchstart .thumbnailEntry, mousedown .thumbnailEntry': function(e) {
+        thumbnailDragStartHandler(e);
+    },
+    'touchmove .thumbnailEntry': function(e) {
+        thumbnailDragHandler(e, e.currentTarget);
+    },
+    'touchend .thumbnailEntry': function(e){
+        thumbnailDragEndHandler(e, e.currentTarget);
+    }
+});
+
+Template.thumbnailEntry.helpers({
+  seriesDescription : function() {
+    if (!this.seriesDescription) {
+        return '';
+    }
+    return this.seriesDescription;
+  }
+});

Packages/viewerbase/components/studyBrowser/thumbnailEntry/thumbnailEntry.styl

@@ -0,0 +1,21 @@
+.thumbnailEntry
+  width: 105px
+  padding: 5px
+  background-color: black
+  border: 1px solid #424242
+  margin: 0 auto
+  
+  .seriesDescription
+    text-align: center
+    color: #555
+    word-wrap: break-word
+    
+  &:hover
+    background-color: white
+      
+  &.active
+    background-color: #424242
+    border-color: #4e4e4e
+    
+    .seriesDescription
+      color: white

Packages/viewerbase/components/studyBrowser/thumbnails/thumbnails.html

@@ -0,0 +1,5 @@
+<template name="thumbnails">
+    {{#each thumbnails}}
+        {{ >thumbnailEntry }}
+    {{/each}}
+</template>

Packages/viewerbase/components/studyBrowser/thumbnails/thumbnails.js

@@ -0,0 +1,6 @@
+Template.thumbnails.helpers({
+  thumbnails: function() {
+    var stacks = createStacks(this);
+    return stacks;
+  }
+});

Packages/viewerbase/components/viewer/imageViewerViewport/imageViewerViewport.html

@@ -0,0 +1,13 @@
+<template name="imageViewerViewport">
+    <div class='imageViewerViewport'
+        oncontextmenu='return false;'
+        unselectable='on'
+        onselectstart='return false;'>
+    </div>
+    <div class='viewportInstructions'>
+        Please drag a stack here to view images.
+    </div>
+    {{ >loadingIndicator }}
+    {{ >viewportOverlay }}
+    {{ >viewportOrientationMarkers }}
+</template>

Packages/viewerbase/components/viewer/imageViewerViewport/imageViewerViewport.js

@@ -0,0 +1,230 @@
+/**
+ * This function enables stack prefetching for a specified element (viewport)
+ * It first disables any prefetching currently occurring on any other viewports.
+ * Prefetching will not be enabled if the series is a clip.
+ *
+ * @param element
+ */
+function enablePrefetchOnElement() {
+    var viewportIndex = Session.get('ActiveViewport');
+    var element = $('.imageViewerViewport').get(viewportIndex);
+    console.log('Enabling prefetch on new element');
+
+    // Loop through all viewports and disable stackPrefetch
+    $('.imageViewerViewport').each(function() {
+        if (!$(this).find('canvas').length) {
+            return;
+        }
+        cornerstoneTools.stackPrefetch.disable(this);
+    });
+
+    // Make sure there is a stack to fetch
+    var stack = cornerstoneTools.getToolState(element, 'stack');
+    if (stack && stack.data.length && stack.data[0].imageIds.length > 1) {
+        cornerstoneTools.stackPrefetch.enable(element);
+    }
+}
+
+function displayReferenceLines() {
+    console.log("Changing reference line display");
+    var viewportIndex = Session.get('ActiveViewport');
+    var element = $('.imageViewerViewport').get(viewportIndex);
+
+    $('.imageViewerViewport').each(function(index, element) {
+        if (!$(this).find('canvas').length) {
+            return;
+        }
+
+        if (index === viewportIndex) {
+            cornerstoneTools.referenceLines.tool.disable(element);
+            return;
+        }
+        cornerstoneTools.referenceLines.tool.enable(element, OHIF.viewer.updateImageSynchronizer);
+    });
+}
+
+function loadSeriesIntoViewport(data) {
+    if (!data.series || !data.viewport) {
+        return;
+    }
+
+    var study = data.study;
+    var series = data.series;
+    var element = data.viewport;
+    var viewportIndex = $(".imageViewerViewport").index(data.viewport);
+
+    var allEvents = 'CornerstoneToolsMouseDown CornerstoneToolsMouseDownActivate ' +
+        'CornerstoneToolsMouseClick CornerstoneToolsMouseDrag CornerstoneToolsMouseUp ' +
+        'CornerstoneToolsMouseWheel CornerstoneToolsTap CornerstoneToolsTouchPress ' +
+        'CornerstoneToolsTouchStart CornerstoneToolsTouchStartActive ' +
+        'CornerstoneToolsDragStartActive CornerstoneToolsMultiTouchDragStart';
+
+    var imageIds = [];
+    var numImages = series.instances.length;
+    series.instances.forEach(function(instance, imageIndex) {
+        var imageId = getImageId(instance);
+        imageIds.push(imageId);
+        var data = {
+            instance: instance,
+            series: series,
+            study: study,
+            numImages: numImages,
+            imageIndex: imageIndex + 1
+        };
+        addMetaData(imageId, data);
+    });
+
+    var stack = {
+        currentImageIdIndex: 0,
+        imageIds: imageIds
+    };
+
+    var imageId = imageIds[stack.currentImageIdIndex];
+
+    var templateData = Template.currentData();
+    templateData.imageId = imageId;
+
+    // NOTE: This uses the experimental WebGL renderer for Cornerstone!
+    cornerstone.enable(element, cornerstone.webGL.renderer.render);
+    // If you have problems, replace it with this line instead:
+    // cornerstone.enable(element);
+
+    cornerstone.loadAndCacheImage(imageId).then(function(image) {
+        cornerstone.displayImage(element, image);
+        element.classList.remove('empty');
+        $(element).siblings('.viewportInstructions').hide();
+        $(element).siblings('.imageViewerViewportOverlay').show();
+        
+        cornerstone.resize(element, true);
+
+        var imagePlane = cornerstoneTools.metaData.get('imagePlane', image.imageId);
+
+        cornerstoneTools.addStackStateManager(element, [ 'stack', 'playClip', 'referenceLines' ]);
+
+        // Enable orientation markers, if applicable
+        var viewport = cornerstone.getViewport(element);
+        updateOrientationMarkers(element, viewport);
+
+        // Clear any old stack data
+        cornerstoneTools.clearToolState(element, 'stack');
+        cornerstoneTools.addToolState(element, 'stack', stack);
+
+        // Enable mouse input
+        cornerstoneTools.mouseInput.enable(element);
+        cornerstoneTools.touchInput.enable(element);
+        cornerstoneTools.mouseWheelInput.enable(element);
+
+        var activeTool = toolManager.getActiveTool();
+        toolManager.setActiveTool(activeTool);
+
+        cornerstoneTools.magnify.enable(element);
+
+        function onImageRendered(e, eventData) {
+            Session.set('CornerstoneImageRendered' + viewportIndex, Random.id());
+        }
+
+        $(element).off('CornerstoneImageRendered', onImageRendered);
+        $(element).on('CornerstoneImageRendered', onImageRendered);
+        Session.set('CornerstoneImageRendered' + viewportIndex, Random.id());
+
+        function onNewImage(e, eventData) {
+            // Update the templateData with the new imageId
+            // This allows the template helpers to update reactively
+            templateData.imageId = eventData.enabledElement.image.imageId;
+            Session.set('CornerstoneNewImage' + viewportIndex, Random.id());
+        }
+
+        $(element).off('CornerstoneNewImage', onNewImage);
+        $(element).on('CornerstoneNewImage', onNewImage);
+
+        function sendActivationTrigger(e, eventData) {
+            var activeViewportIndex = Session.get('ActiveViewport');
+            var viewportIndex = $(".imageViewerViewport").index(eventData.element);
+            if (viewportIndex === activeViewportIndex) {
+                return;
+            }
+            eventData.viewportIndex = viewportIndex;
+            var customEvent = jQuery.Event('ActivateViewport', eventData);
+            customEvent.type = 'ActivateViewport'; // Need to overwrite the type set in the touch tools
+            $(e.target).trigger(customEvent, eventData);
+        }
+
+        $(element).off(allEvents, sendActivationTrigger);
+        $(element).on(allEvents, sendActivationTrigger);
+
+        Session.set('CornerstoneNewImage' + viewportIndex, Random.id());
+
+        if (OHIF.viewer.refLinesEnabled && imagePlane && imagePlane.frameOfReferenceUID) {
+            OHIF.viewer.updateImageSynchronizer.add(element);
+        }
+        
+        enablePrefetchOnElement();
+        displayReferenceLines();
+    });
+}
+
+Template.imageViewerViewport.onRendered(function() {
+    var studies = Session.get('studies');
+    var viewport = this.find(".imageViewerViewport");
+    var viewportIndex = $(".imageViewerViewport").index(viewport);
+
+    this.data.viewportIndex = viewportIndex;
+
+    var data = {
+        viewport: viewport
+    };
+
+    if (this.data.seriesInstanceUid !== undefined && this.data.studyInstanceUid !== undefined) {
+        var studyInstanceUid = this.data.studyInstanceUid;
+        var seriesInstanceUid = this.data.seriesInstanceUid;
+
+        studies.every(function(study) {
+            if (study.studyInstanceUid === studyInstanceUid) {
+                data.study = study;
+                study.seriesList.every(function(series) {
+                    if (series.seriesInstanceUid === seriesInstanceUid) {
+                        data.series = series;
+                        return false;
+                    }
+                    return true;
+                });
+                return false;
+            }
+            return true;
+        });
+    } else {
+        var stacks = [];
+        studies.forEach(function(study) {
+            study.seriesList.forEach(function(series) {
+                var stack = {
+                    series: series,
+                    study: study
+                };
+                stacks.push(stack);
+            });
+        });
+      
+        if (viewportIndex >= stacks.length) {
+            viewport.classList.add('empty');
+            $(viewport).siblings('.viewportInstructions').show();
+            return;
+        }
+        data.series = stacks[viewportIndex].series;
+        data.study = stacks[viewportIndex].study;
+    }
+    loadSeriesIntoViewport(data);
+});
+
+Template.imageViewerViewport.onDestroyed(function() {
+    var element = this.find(".imageViewerViewport");
+    cornerstone.disable(element);
+});
+
+Template.imageViewerViewport.events({
+    'ActivateViewport .imageViewerViewport': function(e) {
+        console.log('ActivateViewport: ' + e.viewportIndex);
+        Session.set('ActiveViewport', e.viewportIndex);
+        enablePrefetchOnElement();
+        displayReferenceLines();
+    },
+});

Packages/viewerbase/components/viewer/imageViewerViewport/imageViewerViewport.styl

@@ -0,0 +1,23 @@
+.imageViewerViewport
+  width: 100%
+  height: 100%
+  background-color: black
+      
+  // Prevents the entire page from getting larger
+  // when the magnify tool is near the sides/corners of the page
+  overflow: hidden
+  
+.viewportInstructions
+  display: none
+  font-size: 13px
+  color: #e4ad00
+  line-height: 18px
+  pointer-events: none // Necessary for drag/drop through to cornerstone element below
+  text-align: center
+  position: absolute
+  top: 0
+  bottom: 0
+  right: 0
+  left: 0
+  margin: auto
+  height: 20px

Packages/viewerbase/components/viewer/imageViewerViewports/imageViewerViewports.html

@@ -0,0 +1,11 @@
+<template name="imageViewerViewports">
+    <div id='imageViewerViewports'>
+        {{ #each viewportArray }}
+        <div class="viewportContainer" style="height:{{height}}%;width:{{width}}%;">
+            <div class="removable">
+                {{ > imageViewerViewport}}
+            </div>
+        </div>
+        {{ /each }}
+    </div>
+</template>

Packages/viewerbase/components/viewer/imageViewerViewports/imageViewerViewports.js

@@ -0,0 +1,30 @@
+function getNumViewports() {
+    var viewportRows = Session.get('viewportRows');
+    var viewportColumns = Session.get('viewportColumns');
+    return viewportRows * viewportColumns;
+}
+
+Template.imageViewerViewports.helpers({
+  height: function() {
+    var viewportRows = Session.get('viewportRows');
+    return 100 / viewportRows;
+  },
+  width: function() {
+    var viewportColumns = Session.get('viewportColumns');
+    return 100 / viewportColumns;
+  },
+  viewportArray: function() {
+    // This is a really annoying thing to have to do, but Meteor
+    // doesn't want to let me use another type of helper.
+    var numViewports = getNumViewports();
+
+    var array = [];
+    for (var i=0; i < numViewports; ++i) {
+        var data = {
+            viewportIndex: i
+        };
+        array.push(data);
+    }
+    return array;
+  }
+});

Packages/viewerbase/components/viewer/imageViewerViewports/imageViewerViewports.styl

@@ -0,0 +1,12 @@
+#imageViewerViewports
+  height: calc(100% - 30px)
+  width: 100%
+    
+  .viewportContainer
+    float: left
+    border: 2px solid #777
+    
+    .removable
+      width: 100%
+      height: 100%
+      position: relative // Necessary so that the viewportOverlay is on top of the viewports

Packages/viewerbase/components/viewer/layoutChooser/layoutChooser.html

@@ -0,0 +1,21 @@
+<template name="layoutChooser">
+    <div class="layoutChooser pull-right dropdown-menu" role="menu">
+        <table>
+            <tr>
+                <td></td>
+                <td></td>
+                <td></td>
+            </tr>
+            <tr>
+                <td></td>
+                <td></td>
+                <td></td>
+            </tr>
+            <tr>
+                <td></td>
+                <td></td>
+                <td></td>
+            </tr>
+        </table>
+    </div>
+</template>

Packages/viewerbase/components/viewer/layoutChooser/layoutChooser.js

@@ -0,0 +1,41 @@
+function highlightCells(currentCell) {
+    var cells = $('.layoutChooser table td');
+    cells.removeClass('hover');
+
+    currentCell = $(currentCell);
+    var table = currentCell.parents('.layoutChooser table').get(0);
+    var rowIndex = currentCell.closest('tr').index();
+    var columnIndex = currentCell.index();
+
+    // Loop through the table row by row
+    // and cell by cell to apply the highlighting
+    for (var i = 0; i < table.rows.length; i++) {
+        row = table.rows[i];
+        if (i <= rowIndex) {
+           for (var j = 0; j < row.cells.length; j++) {
+                if (j <= columnIndex) {
+                    cell = row.cells[j];
+                    cell.classList.add('hover');
+                }
+           }
+        }
+    }
+}
+Template.layoutChooser.events({
+    'touchstart .layoutChooser table td, mouseenter .layoutChooser table td': function(evt) {
+        highlightCells(evt.currentTarget);
+    },
+    'click .layoutChooser table td': function(evt) {
+        $('#imageViewerViewports').remove();
+        var container = $(".viewerMain").get(0);
+        UI.render(Template.imageViewerViewports, container);
+
+        var currentCell = $(evt.currentTarget);
+        var rowIndex = currentCell.closest('tr').index();
+        var columnIndex = currentCell.index();
+
+        // Add 1 because the indices start from zero
+        Session.set('viewportRows', rowIndex + 1);
+        Session.set('viewportColumns', columnIndex + 1);
+    }
+});

Packages/viewerbase/components/viewer/layoutChooser/layoutChooser.styl

@@ -0,0 +1,17 @@
+.layoutChooser
+  width: 75px
+  min-width: 75px // to override bootstrap's dropdown-menu class
+  height: 75px
+  
+  table
+    margin: 0 auto
+    
+    td
+      cursor: pointer
+      border: 2px solid black
+      width: 20px
+      height: 20px
+      transition: background-color 0.1s linear
+      
+      &:hover, &.hover // Add the hover class here to be triggered by mouseenter/mouseleave
+        background-color: gray

Packages/viewerbase/components/viewer/loadingIndicator/loadingIndicator.html

@@ -0,0 +1,14 @@
+<template name="loadingIndicator">
+    <div class="imageViewerLoadingIndicator loadingIndicator">
+        <div class="indicatorContents">
+            <p>Loading...</p>
+        </div>
+    </div>
+    <div class="imageViewerErrorLoadingIndicator loadingIndicator">
+        <div class="indicatorContents">
+            <h4>Error Loading Image</h4>
+            <p class='description'>An error has occurred.</p>
+            <p class='details'></p>
+        </div>
+    </div>
+</template>

Packages/viewerbase/components/viewer/loadingIndicator/loadingIndicator.js

@@ -0,0 +1,61 @@
+Meteor.startup(function() {
+    cornerstoneTools.loadHandlerManager.setStartLoadHandler(startLoadingHandler);
+    cornerstoneTools.loadHandlerManager.setEndLoadHandler(doneLoadingHandler);
+    cornerstoneTools.loadHandlerManager.setErrorLoadingHandler(errorLoadingHandler);
+});
+
+var loadHandlerTimeout;
+
+startLoadingHandler = function(element) {
+    clearTimeout(loadHandlerTimeout);
+    loadHandlerTimeout = setTimeout(function() {
+        var elem = $(element);
+        elem.siblings('.imageViewerErrorLoadingIndicator').css('display', 'none');
+        elem.find('canvas').not('.magnifyTool').addClass("faded");
+        elem.siblings('.imageViewerLoadingIndicator').css('display', 'block');
+    }, OHIF.viewer.loadIndicatorDelay);
+};
+
+doneLoadingHandler = function(element) {
+    clearTimeout(loadHandlerTimeout);
+    var elem = $(element);
+    elem.siblings('.imageViewerErrorLoadingIndicator').css('display', 'none');
+    elem.find('canvas').not('.magnifyTool').removeClass("faded");
+    elem.siblings('.imageViewerLoadingIndicator').css('display', 'none');
+};
+
+errorLoadingHandler = function(element, imageId, error, source) {
+    clearTimeout(loadHandlerTimeout);
+    var elem = $(element);
+
+    // Could probably chain all of these, but this is more readable
+    elem.find('canvas').not('.magnifyTool').removeClass("faded");
+    elem.siblings('.imageViewerLoadingIndicator').css('display', 'none');
+
+    // Don't display errors from the stackPrefetch tool
+    if (source === "stackPrefetch") {
+        return;
+    }
+
+    var errorLoadingIndicator = elem.siblings('.imageViewerErrorLoadingIndicator');
+    errorLoadingIndicator.css('display', 'block');
+
+    var cleanedImageId = imageId;
+
+    // This is just used to expand upon some error messages that are sent
+    // when things fail. An example is a network error throwing the error
+    // which is only described as "network".
+    var errorDetails = {
+        network: "A network error has occurred"
+        // We need to expand this further when we see more obscure error messages
+    };
+
+    if (errorDetails.hasOwnProperty(error)) {
+        error = errorDetails[error];
+    }
+
+    errorLoadingIndicator.find('.description').text("An error has occurred while loading image: " + cleanedImageId);
+    if (error) {
+        errorLoadingIndicator.find('.details').text("Details: " + error);
+    }
+};

Packages/viewerbase/components/viewer/loadingIndicator/loadingIndicator.styl

@@ -0,0 +1,31 @@
+.imageViewerLoadingIndicator
+  display: none
+  color: #ffa500
+
+.faded
+  opacity: 0.5
+  
+.imageViewerErrorLoadingIndicator
+  display: none
+  background-color: rgba(0,0,0,0.75)
+  
+  p, h4
+    text-align: center
+    color: #ffa500
+    padding: 4px 0px
+    
+  p
+    font-size: 11pt
+      
+.loadingIndicator
+  pointer-events: none // Necessary for click-through to cornerstone element below
+  width: 100%
+  height: 100%
+  font-size: 18px
+  z-index: 100
+  
+  .indicatorContents
+    position: absolute
+    top: 40%
+    width: 100%
+    text-align: center

Packages/viewerbase/components/viewer/viewportOrientationMarkers/viewportOrientationMarkers.html

@@ -0,0 +1,8 @@
+<template name="viewportOrientationMarkers">
+    <div class="viewportOrientationMarkers noselect">
+        <div class="topMid orientationMarker">
+        </div>
+        <div class="leftMid orientationMarker">
+        </div>
+    </div>
+</template>

Packages/viewerbase/components/viewer/viewportOrientationMarkers/viewportOrientationMarkers.js

@@ -0,0 +1,49 @@
+updateOrientationMarkers = function(element, viewport) {
+    // Updates the orientation labels on the viewport
+    var enabledElement = cornerstone.getEnabledElement(element);
+    var imagePlane = cornerstoneTools.metaData.get('imagePlane', enabledElement.image.imageId);
+    
+    if (!imagePlane || !imagePlane.rowCosines || !imagePlane.columnCosines) {
+        return;
+    }
+
+    var rowString = cornerstoneTools.orientation.getOrientationString(imagePlane.rowCosines);
+    var columnString = cornerstoneTools.orientation.getOrientationString(imagePlane.columnCosines);
+    var oppositeRowString = cornerstoneTools.orientation.invertOrientationString(rowString);
+    var oppositeColumnString = cornerstoneTools.orientation.invertOrientationString(columnString);
+
+    var markers = {
+        top: oppositeColumnString,
+        left: oppositeRowString,
+    };
+
+    // If any vertical or horizontal flips are applied, change the orientation strings ahead of
+    // the rotation applications
+    if (viewport.vflip) {
+        markers.top = cornerstoneTools.orientation.invertOrientationString(markers.top);
+    }
+    if (viewport.hflip) {
+        markers.left = cornerstoneTools.orientation.invertOrientationString(markers.left);
+    }
+
+    // Get the viewport orientation marker DOM elements
+    var viewportOrientationMarkers = $(element).siblings(".viewportOrientationMarkers");
+    var topMarker = viewportOrientationMarkers.find('.topMid');
+    var leftMarker = viewportOrientationMarkers.find('.leftMid');
+
+    // Swap the labels accordingly if the viewport has been rotated
+    // This could be done in a more complex way for intermediate rotation values (e.g. 45 degrees)
+    if (viewport.rotation === 90 || viewport.rotation === -270) {
+        topMarker.text(markers.left);
+        leftMarker.text(cornerstoneTools.orientation.invertOrientationString(markers.top));
+    } else if (viewport.rotation === -90 || viewport.rotation === 270) {
+        topMarker.text(cornerstoneTools.orientation.invertOrientationString(markers.left));
+        leftMarker.text(markers.top);
+    } else if (viewport.rotation === 180 || viewport.rotation === -180) {
+        topMarker.text(cornerstoneTools.orientation.invertOrientationString(markers.top));
+        leftMarker.text(cornerstoneTools.orientation.invertOrientationString(markers.left));
+    } else {
+        topMarker.text(markers.top);
+        leftMarker.text(markers.left);
+    }
+};

Packages/viewerbase/components/viewer/viewportOrientationMarkers/viewportOrientationMarkers.styl

@@ -0,0 +1,18 @@
+.viewportOrientationMarkers
+  pointer-events: none // Necessary for click-through to cornerstone element below
+  
+  font-size: 15px
+  color: rgb(204, 204, 204)
+  line-height: 18px
+
+  .orientationMarker
+    position: absolute
+
+  .topMid
+    top: 5px
+    left: 50%
+    
+  .leftMid
+    top: 47%
+    left: 5px
+    

Packages/viewerbase/components/viewer/viewportOverlay/viewportOverlay.html

@@ -0,0 +1,25 @@
+<template name="viewportOverlay">
+    <div class="imageViewerViewportOverlay noselect">
+        <div class="topleft dicomTag">
+            <div>{{patientName}}</div>
+            <div>{{patientId}}</div>
+            <div></div>
+        </div>
+        <div class="topright dicomTag">
+            <div>{{studyDescription}}</div>
+            <div>{{studyDate}} {{studyTime}}</div>
+        </div>
+        <div class="bottomright dicomTag">
+            <div>Zoom: {{formatNumberPrecision zoom 2}}%</div>
+            <div>{{compression}}</div>
+            <div>{{wwwc}}</div>
+        </div>
+        <div class="bottomleft dicomTag">
+            <div>Ser: {{seriesNumber}}</div>
+            <div>Img: {{imageNumber}} ({{imageIndex}}/{{numImages}})</div>
+            <div>{{frameRate}}</div>
+            <div>{{imageDimensions}}</div>
+            <div>{{seriesDescription}}</div>
+        </div>
+    </div>
+</template>

Packages/viewerbase/components/viewer/viewportOverlay/viewportOverlay.js

@@ -0,0 +1,155 @@
+function getElementIfNotEmpty(viewportIndex) {
+    // Meteor template helpers run more often than expected
+    // They often seem to run just before the whole template is rendered
+    // This meant that the onRendered event hadn't fired yet, so the
+    // element wasn't enabled / set empty yet. The check here
+    // for canvases under the 'enabled' element div is to prevent
+    // 'undefined' errors from the helper functions
+
+    var imageViewerViewports = $('.imageViewerViewport'),
+        element = imageViewerViewports.get(viewportIndex),
+        canvases = imageViewerViewports.eq(viewportIndex).find('canvas');
+
+    if (!element || $(element).hasClass("empty") || canvases.length === 0) {
+        return;
+    }
+
+    // Check to make sure the element is enabled.
+    try {
+        var enabledElement = cornerstone.getEnabledElement(element);
+    } catch(error) {
+        return;
+    }
+    return element;
+}
+
+function getPatient(property) {
+    Session.get('CornerstoneNewImage' + this.viewportIndex);
+    if (!this.imageId) {
+        return false;
+    }
+    var patient = cornerstoneTools.metaData.get('patient', this.imageId);
+    if (!patient) {
+        return '';
+    }
+    return patient[property];
+}
+
+function getStudy(property) {
+    Session.get('CornerstoneNewImage' + this.viewportIndex);
+    if (!this.imageId) {
+        return false;
+    }
+    var study = cornerstoneTools.metaData.get('study', this.imageId);
+    if (!study) {
+        return '';
+    }
+    return study[property];
+}
+
+function getSeries(property) {
+    Session.get('CornerstoneNewImage' + this.viewportIndex);
+    if (!this.imageId) {
+        return false;
+    }
+    var series = cornerstoneTools.metaData.get('series', this.imageId);
+    if (!series) {
+        return '';
+    }
+    return series[property];
+}
+
+function getInstance(property) {
+    Session.get('CornerstoneNewImage' + this.viewportIndex);
+    if (!this.imageId) {
+        return false;
+    }
+    var instance = cornerstoneTools.metaData.get('instance', this.imageId);
+    if (!instance) {
+        return '';
+    }
+    return instance[property];
+}
+
+function getImage(viewportIndex) {
+    var element = getElementIfNotEmpty(viewportIndex);
+    if (!element) {
+        return false;
+    }
+    var enabledElement;
+    try {
+        enabledElement = cornerstone.getEnabledElement(element);
+    } catch(error) {
+        return false;
+    }
+    if (!enabledElement || !enabledElement.image) {
+        return false;
+    }
+    return enabledElement.image;
+}
+
+Template.viewportOverlay.helpers({
+    wwwc: function() {
+        Session.get('CornerstoneImageRendered' + this.viewportIndex);
+        var element = getElementIfNotEmpty(this.viewportIndex);
+        if (!element) {
+            return '';
+        }
+        var viewport = cornerstone.getViewport(element);
+        if (!viewport) {
+            return '';
+        }
+        return 'W ' + viewport.voi.windowWidth.toFixed(0) + ' L ' + viewport.voi.windowCenter.toFixed(0);
+    },
+    zoom: function() {
+        Session.get('CornerstoneImageRendered' + this.viewportIndex);
+        var element = getElementIfNotEmpty(this.viewportIndex);
+        if (!element) {
+            return '';
+        }
+        var viewport = cornerstone.getViewport(element);
+        if (!viewport) {
+            return '';
+        }
+        return (viewport.scale * 100.0);
+    },
+    imageDimensions: function() {
+        Session.get('CornerstoneNewImage' + this.viewportIndex);
+
+        var image = getImage(this.viewportIndex);
+        if (!image) {
+           return '';
+        }
+        return image.width + ' x ' + image.height;
+    },
+    patientName : function() {
+        return getPatient.call(this, 'name');
+    },
+    patientId : function() {
+        return getPatient.call(this, 'id');
+    },
+    studyDate : function() {
+        return getStudy.call(this, 'date');
+    },
+    studyTime : function() {
+        return getStudy.call(this, 'time');
+    },
+    studyDescription : function() {
+        return getStudy.call(this, 'description');
+    },
+    seriesDescription : function() {
+        return getSeries.call(this, 'description');
+    },
+    seriesNumber : function() {
+        return getSeries.call(this, 'number');
+    },
+    imageNumber : function() {
+        return getInstance.call(this, 'number');
+    },
+    imageIndex : function() {
+        return getInstance.call(this, 'index');
+    },
+    numImages : function() {
+        return getSeries.call(this, 'numImages');
+    }
+});

Packages/viewerbase/components/viewer/viewportOverlay/viewportOverlay.styl

@@ -0,0 +1,27 @@
+.imageViewerViewportOverlay
+  font-size: 13px
+  color: #e4ad00
+  line-height: 18px
+  display: none // Shown when an image is loaded
+  
+  .dicomTag
+    pointer-events: none // Necessary for drag/drop through to cornerstone element below
+    position: absolute
+
+  .topleft
+    top: 3px
+    left: 3px
+    
+  .topright
+    top: 3px
+    right: 3px
+    text-align: right
+    
+  .bottomleft
+    bottom: 3px
+    left: 3px
+    
+  .bottomright
+    bottom: 3px
+    right: 3px
+    text-align: right

Packages/viewerbase/lib/accountsConfig.js

@@ -0,0 +1,5 @@
+/*AccountsTemplates.configure({
+  forbidClientAccountCreation: true // do not allow account creation
+});
+*/
+

Packages/viewerbase/lib/createStacks.js

@@ -0,0 +1,18 @@
+createStacks = function(study) {
+    var stacks = [];
+    // TODO: Split by multi-frame, modality, image size, etc
+    study.seriesList.forEach(function(series) {
+        if (!series.instances) {
+            return;
+        }
+
+        // Don't display thumbnails for non-image modalities
+        // All imaging modalities must have a valid value for rows (or columns)
+        var anInstance = series.instances[0];
+        if (!anInstance || !anInstance.rows) {
+            return;
+        }
+        stacks.push(series);
+    });
+    return stacks;
+};

Packages/viewerbase/lib/encodeQueryData.js

@@ -0,0 +1,17 @@
+/**
+ * Converts the properties to URL query parameters.  Based on:
+ * http://stackoverflow.com/questions/111529/create-query-parameters-in-javascript
+ *
+ * @param data
+ * @returns {string}
+ */
+encodeQueryData = function(data)
+{
+  var ret = [];
+  for (var d in data) {
+    if(data[d]) {
+      ret.push(encodeURIComponent(d) + "=" + encodeURIComponent(data[d]));
+    }
+  }
+  return ret.join("&");
+};

Packages/viewerbase/lib/findIndexOfString.js

@@ -0,0 +1,39 @@
+function checkToken(token, data, dataOffset) {
+
+  if(dataOffset + token.length > data.length) {
+    //console.log('dataOffset >> ', dataOffset);
+    return false;
+  }
+
+  var endIndex = dataOffset;
+
+  for(var i = 0; i < token.length; i++) {
+    if(token[i] !== data[endIndex++]) {
+      if(endIndex > 520000) {
+        console.log('token=',uint8ArrayToString(token));
+        console.log('data=', uint8ArrayToString(data, dataOffset, endIndex-dataOffset));
+        console.log('miss at %d %s dataOffset=%d', i, String.fromCharCode(data[endIndex]), endIndex);
+        console.log('miss at %d %s dataOffset=%d', i, String.fromCharCode(token[endIndex]), endIndex);
+      }
+      return false;
+    }
+  }
+  return true;
+}
+
+findIndexOfString = function(data, str, offset) {
+
+  offset = offset || 0;
+
+  var token = stringToUint8Array(str);
+
+  for(var i=offset; i < data.length; i++) {
+    if(token[0] === data[i]) {
+      //console.log('match @', i);
+      if(checkToken(token, data, i)) {
+        return i;
+      }
+    }
+  }
+  return -1;
+}

Packages/viewerbase/lib/getActiveViewportElement.js

@@ -0,0 +1,5 @@
+getActiveViewportElement = function() {
+    // TODO: Fix this, just hardcoded for now
+    var element = $('.imageViewerViewport').get(0);
+    return element;
+};

Packages/viewerbase/lib/getImageId.js

@@ -0,0 +1,10 @@
+getImageId = function(instance) {
+    if (!instance) {
+        return;
+    }
+    if (instance.wadouri) {
+        return 'dicomweb:' + instance.wadouri; // WADO-URI
+    } else {
+        return getWADORSImageId(instance); // WADO-RS Retrieve Frame
+    }
+};

Packages/viewerbase/lib/getWADORSImageId.js

@@ -0,0 +1,45 @@
+getWADORSImageId = function(instance) {
+    var columnPixelSpacing = 1.0;
+    var rowPixelSpacing = 1.0;
+    if (instance.pixelSpacing) {
+        var split = instance.pixelSpacing.split('\\');
+        rowPixelSpacing = parseFloat(split[0]);
+        columnPixelSpacing = parseFloat(split[1]);
+    }
+
+    var windowWidth;
+    var windowCenter;
+
+    if (instance.windowWidth && instance.windowCenter) {
+        windowWidth = parseFloat(instance.windowWidth.split('\\')[0]);
+        windowCenter = parseFloat(instance.windowCenter.split('\\')[0]);
+    }
+
+    var image = {
+        uri: instance.wadorsuri,
+        //imageId : '',
+        //minPixelValue : 0,
+        //maxPixelValue : 255,
+        slope: instance.rescaleSlope,
+        intercept: instance.rescaleIntercept,
+        windowCenter : windowCenter,
+        windowWidth : windowWidth,
+        //render: cornerstone.renderColorImage,
+        //getPixelData: getPixelData,
+        //getImageData: getImageData,
+        //getCanvas: getCanvas,
+        rows: instance.rows,
+        columns: instance.columns,
+        height: instance.rows,
+        width: instance.columns,
+        color: false,
+        columnPixelSpacing: columnPixelSpacing,
+        rowPixelSpacing: rowPixelSpacing,
+        invert: false,
+        sizeInBytes: instance.rows * instance.columns * (instance.bitsAllocated / 8),
+        instance: instance
+    };
+
+    var imageId = cornerstoneWADORSImageLoader.addImage(image);
+    return imageId;
+};

Packages/viewerbase/lib/helpers/formatDA.js

@@ -0,0 +1,16 @@
+UI.registerHelper('formatDA', function (context, format, options) {
+    if (!context) {
+        return undefined;
+    }
+    /*var date = DICOMUtilities.toDate(context, '', false);
+    if(!date) {
+    return context;
+    }*/
+    var date = context;
+    var dateAsMoment = moment(date);
+    var strFormat = "MMM D, YYYY";
+    if (options) {
+        strFormat = format;
+    }
+    return dateAsMoment.format(strFormat);
+});

Packages/viewerbase/lib/helpers/formatNumberPrecision.js

@@ -0,0 +1,5 @@
+UI.registerHelper('formatNumberPrecision', function(context, precision, options) {
+    if(context) {
+        return parseFloat(context).toFixed(precision);
+    }
+});

Packages/viewerbase/lib/helpers/formatPN.js

@@ -0,0 +1,20 @@
+UI.registerHelper('formatDA', function (context, format, options) {
+    if (!context) {
+        return undefined;
+    }
+    var pn = context;
+    var str = '';
+    if(pn.prefix) {
+        str = pn.prefix + ' ';
+    }
+    str +=  (pn.familyName || '') + ', ';
+    str +=  (pn.givenName || '');
+    if(pn.middleName) {
+        str += ' ' + pn.middleName;
+    }
+    if(pn.suffix) {
+        str += ' ' + pn.suffix;
+    }
+
+    return str;
+});

Packages/viewerbase/lib/helpers/formatTM.js

@@ -0,0 +1,13 @@
+UI.registerHelper('formatTM', function(context, format, options) {
+    if (!context) {
+        return undefined;
+    }
+    var date = context;
+    var dateAsMoment = moment(date);
+    var strFormat = "HH:mm:ss";
+    if (options) {
+        strFormat = format;
+    }
+
+    return dateAsMoment.format(strFormat);
+});

Packages/viewerbase/lib/isTouchDevice.js

@@ -0,0 +1,5 @@
+isTouchDevice = function() {
+    return (('ontouchstart' in window)  ||
+        (navigator.MaxTouchPoints > 0) ||
+        (navigator.msMaxTouchPoints > 0));
+};

Packages/viewerbase/lib/metaDataProvider.js

@@ -0,0 +1,82 @@
+var metaDataLookup = {};
+
+addMetaData = function(imageId, data) {
+    var instanceMetaData = data.instance;
+    var seriesMetaData = data.series;
+    var studyMetaData = data.study;
+    var imageIndex = data.imageIndex;
+    var numImages = data.numImages;
+
+    var metaData = {};
+
+    metaData.study = {
+        date: instanceMetaData.studyDate,
+        time: instanceMetaData.studyTime,
+        description: instanceMetaData.studyDescription
+    };
+
+    metaData.series = {
+        description: seriesMetaData.seriesDescription,
+        number: seriesMetaData.seriesNumber,
+        modality: seriesMetaData.modality,
+        instanceUid: seriesMetaData.instanceUid,
+        numImages: numImages
+    };
+
+    metaData.instance = {
+        number: instanceMetaData.instanceNumber,
+        index: imageIndex
+    };
+
+    metaData.patient = {
+        name: instanceMetaData.patientName,
+        id: instanceMetaData.patientId
+    };
+
+    // If there is sufficient information, populate
+    // the imagePlane object for easier use in the Viewer
+    if (instanceMetaData.frameOfReferenceUID &&
+        instanceMetaData.imageOrientationPatient &&
+        instanceMetaData.imagePositionPatient) {
+
+        var imageOrientation = instanceMetaData.imageOrientationPatient.split('\\');
+        var imagePosition = instanceMetaData.imagePositionPatient.split('\\');
+
+        var columnPixelSpacing = 1.0;
+        var rowPixelSpacing = 1.0;
+        if (instanceMetaData.pixelSpacing) {
+            var split = instanceMetaData.pixelSpacing.split('\\');
+            rowPixelSpacing = parseFloat(split[0]);
+            columnPixelSpacing = parseFloat(split[1]);
+        }
+        
+        metaData.imagePlane = {
+            frameOfReferenceUID: instanceMetaData.frameOfReferenceUID,
+            rows: instanceMetaData.rows,
+            columns: instanceMetaData.columns,
+            rowCosines: new cornerstoneMath.Vector3(parseFloat(imageOrientation[0]), parseFloat(imageOrientation[1]), parseFloat(imageOrientation[2])),
+            columnCosines: new cornerstoneMath.Vector3(parseFloat(imageOrientation[3]), parseFloat(imageOrientation[4]), parseFloat(imageOrientation[5])),
+            imagePositionPatient: new cornerstoneMath.Vector3(parseFloat(imagePosition[0]), parseFloat(imagePosition[1]), parseFloat(imagePosition[2])),
+            rowPixelSpacing: rowPixelSpacing,
+            columnPixelSpacing: columnPixelSpacing,
+        };
+    }
+
+    // Add the metaData to the imageId lookup object
+    metaDataLookup[imageId] = metaData;
+};
+
+function provider(type, imageId) {
+    var imageMetaData = metaDataLookup[imageId];
+    if (!imageMetaData) {
+        return;
+    }
+
+    if (imageMetaData.hasOwnProperty(type)) {
+        return imageMetaData[type];
+    }
+}
+
+Meteor.startup(function() {
+    cornerstoneTools.metaData.addProvider(provider);
+});

Packages/viewerbase/lib/rerenderViewportWithNewSeries.js

@@ -0,0 +1,42 @@
+/**
+ * This function destroys and rerenders the imageViewerViewport template.
+ * It uses the data provided (object containing seriesIndex and studyIndex) to
+ * load a new series into the produced viewport.
+ *
+ * @param element
+ * @param data An object containing a seriesIndex and studyIndex for a study to load into this viewport
+ */
+rerenderViewportWithNewSeries = function(element, data) {
+    var container = $(element).parents('.viewportContainer').get(0);
+    var viewportIndex = $(container).index();
+    data.viewportIndex = viewportIndex;
+
+    // Update the dictionary of loaded series for the specified viewport
+    OHIF.viewer.imageViewerLoadedSeriesDictionary[viewportIndex] = {
+        seriesInstanceUid: data.seriesInstanceUid,
+        studyInstanceUid: data.studyInstanceUid
+    };
+
+    // Remove the hover styling
+    $(element).find('canvas').not('.magnifyTool').removeClass("faded");
+
+    // Reset the current image index for this viewport
+    delete OHIF.viewer.imageViewerCurrentImageIdIndexDictionary[viewportIndex];
+
+    // Remove the whole template, add in the new one
+    var viewportContainer = $(element).parents('.removable');
+    
+    var newViewportContainer = document.createElement('div');
+    newViewportContainer.className = 'removable';
+
+    // Remove the parent element of the template
+    // This is a workaround since otherwise Blaze UI onDestroyed doesn't fire
+    viewportContainer.remove();
+
+    container.appendChild(newViewportContainer);
+
+    // Render and insert the template
+    UI.renderWithData(Template.imageViewerViewport, data, newViewportContainer);
+
+    Session.set('loadedSeriesDictionary', OHIF.viewer.imageViewerLoadedSeriesDictionary);
+};

Packages/viewerbase/lib/sortStudy.js

@@ -0,0 +1,15 @@
+sortStudy = function(study) {
+    if (!study) {
+        return;
+    }
+    
+    study.seriesList.sort(function(a, b) {
+        return a.seriesNumber - b.seriesNumber;
+    });
+
+    study.seriesList.forEach(function(series){
+        series.instances.sort(function(a, b) {
+            return a.instanceNumber - b.instanceNumber;
+        });
+    });
+};

Packages/viewerbase/lib/stringToUint8Array.js

@@ -0,0 +1,7 @@
+stringToUint8Array = function(str) {
+  var uint=new Uint8Array(str.length);
+  for(var i=0,j=str.length;i<j;i++){
+    uint[i]=str.charCodeAt(i);
+  }
+  return uint;
+};

Packages/viewerbase/lib/toolManager.js

@@ -0,0 +1,150 @@
+var activeTool;
+
+var tools = {};
+
+var initialized = false;
+
+function configureTools() {
+    // Set the configuration for the multitouch pan tool
+    var multiTouchPanConfig = {
+        testPointers: function(eventData) {
+            return (eventData.numPointers >= 3);
+        }
+    };
+    cornerstoneTools.panMultiTouch.setConfiguration(multiTouchPanConfig);
+}
+
+toolManager = {
+    init: function() {
+        toolManager.addTool('wwwc', {
+            mouse: cornerstoneTools.wwwc,
+            touch: cornerstoneTools.wwwcTouchDrag
+        });
+        toolManager.addTool('zoom', {
+            mouse: cornerstoneTools.zoom,
+            touch: cornerstoneTools.zoomTouchDrag
+        });
+        toolManager.addTool('wwwcRegion', {
+            mouse: cornerstoneTools.wwwcRegion,
+            touch: cornerstoneTools.wwwcRegionTouch
+        });
+        toolManager.addTool('dragProbe', {
+            mouse: cornerstoneTools.dragProbe,
+            touch: cornerstoneTools.dragProbeTouch
+        });
+        toolManager.addTool('pan', {
+            mouse: cornerstoneTools.pan,
+            touch: cornerstoneTools.panTouchDrag
+        });
+        toolManager.addTool('stackScroll', {
+            mouse: cornerstoneTools.stackScroll,
+            touch: cornerstoneTools.stackScrollTouchDrag
+        });
+        toolManager.addTool('length', {
+            mouse: cornerstoneTools.length,
+            touch: cornerstoneTools.lengthTouch
+        });
+        toolManager.addTool('angle', {
+            mouse: cornerstoneTools.simpleAngle,
+            touch: cornerstoneTools.simpleAngleTouch
+        });
+        toolManager.addTool('magnify', {
+            mouse: cornerstoneTools.magnify,
+            touch: cornerstoneTools.magnifyTouchDrag
+        });
+        toolManager.addTool('ellipticalRoi', {
+            mouse: cornerstoneTools.ellipticalRoi,
+            touch: cornerstoneTools.ellipticalRoiTouch
+        });
+        toolManager.addTool('rectangleRoi', {
+            mouse: cornerstoneTools.rectangleRoi,
+            touch: cornerstoneTools.rectangleRoiTouch
+        });
+        toolManager.addTool('annotate', {
+            mouse: cornerstoneTools.arrowAnnotate,
+            touch: cornerstoneTools.arrowAnnotateTouch
+        });
+        activeTool = OHIF.viewer.defaultTool;
+
+        configureTools();
+        initialized = true;
+    },
+    addTool: function(name, base) {
+        tools[name] = base;
+    },
+    setActiveTool: function(tool) {
+        if (!initialized) {
+            toolManager.init();
+        }
+
+        $('#toolRow .btn-group button').removeClass('active');
+        var toolButton = document.getElementById(tool);
+        toolButton.classList.add('active');
+
+        $('.imageViewerViewport').each(function(index, element) {
+            var canvases = $(element).find('canvas');
+            if (!element.classList.contains('empty') && canvases.length > 0) {
+                // First, deactivate the current active tool
+                tools[activeTool].mouse.deactivate(element, 1);
+                tools[activeTool].touch.deactivate(element);
+
+                // First, get the stack toolData
+                var toolData = cornerstoneTools.getToolState(element, 'stack');
+                if (toolData === undefined || toolData.data === undefined || toolData.data.length === 0) {
+                    return;
+                }
+
+                // Get the imageIds for this element
+                var imageIds = toolData.data[0].imageIds;
+
+                // Deactivate all the middle mouse, right click, and scroll wheel tools
+                cornerstoneTools.pan.deactivate(element);
+                cornerstoneTools.zoom.deactivate(element);
+                cornerstoneTools.zoomWheel.deactivate(element);
+                cornerstoneTools.stackScrollWheel.deactivate(element);
+
+                // Reactivate the relevant scrollwheel tool for this element
+                if (imageIds.length > 1) {
+                    // scroll is the default tool for middle mouse wheel for stacks
+                    cornerstoneTools.stackScrollWheel.activate(element);
+                } else {
+                    // zoom is the default tool for middle mouse wheel for single images (non stacks)
+                    cornerstoneTools.zoomWheel.activate(element);
+                }
+
+                // This block ensures that the middle mouse and scroll tools keep working
+                if (tool === 'pan') {
+                    cornerstoneTools.pan.activate(element, 3); // 3 means left mouse button and middle mouse button
+                    cornerstoneTools.zoom.activate(element, 4); // zoom is the default tool for right mouse button
+                } else if (tool === 'zoom') {
+                    cornerstoneTools.pan.activate(element, 2); // pan is the default tool for middle mouse button
+                    cornerstoneTools.zoom.activate(element, 5); // 5 means left mouse button and right mouse button
+                } else {
+                    // Reactivate the middle mouse and right click tools
+                    cornerstoneTools.pan.activate(element, 2); // pan is the default tool for middle mouse button
+                    cornerstoneTools.zoom.activate(element, 4); // zoom is the default tool for right mouse button
+
+                    // Activate the chosen tool
+                    tools[tool].mouse.activate(element, 1);
+                }
+                tools[tool].touch.activate(element);
+
+                cornerstoneTools.zoomTouchPinch.activate(element);
+                cornerstoneTools.panMultiTouch.activate(element);
+            }
+        });
+        activeTool = tool;
+    },
+    getActiveTool: function() {
+        if (!activeTool) {
+            activeTool = OHIF.viewer.defaultTool;
+        }
+        return activeTool;
+    },
+    setDefaultTool: function(tool) {
+        OHIF.viewer.defaultTool = tool;
+    },
+    getDefaultTool: function() {
+        return OHIF.viewer.defaultTool;
+    }
+};

Packages/viewerbase/lib/uint8ArrayToString.js

@@ -0,0 +1,9 @@
+uint8ArrayToString = function(data, offset, length) {
+  offset = offset || 0;
+  length = length || data.length - offset;
+  var str = "";
+  for(var i=offset; i < offset + length; i++) {
+    str += String.fromCharCode(data[i]);
+  }
+  return str;
+};

Packages/viewerbase/lib/updateOrientationMarkers.js

@@ -0,0 +1,49 @@
+updateOrientationMarkers = function(element, viewport) {
+    // Updates the orientation labels on the viewport
+    var enabledElement = cornerstone.getEnabledElement(element);
+    var imagePlane = cornerstoneTools.metaData.get('imagePlane', enabledElement.image.imageId);
+    
+    if (!imagePlane || !imagePlane.rowCosines || !imagePlane.columnCosines) {
+        return;
+    }
+
+    var rowString = cornerstoneTools.orientation.getOrientationString(imagePlane.rowCosines);
+    var columnString = cornerstoneTools.orientation.getOrientationString(imagePlane.columnCosines);
+    var oppositeRowString = cornerstoneTools.orientation.invertOrientationString(rowString);
+    var oppositeColumnString = cornerstoneTools.orientation.invertOrientationString(columnString);
+
+    var markers = {
+        top: oppositeColumnString,
+        left: oppositeRowString,
+    };
+
+    // If any vertical or horizontal flips are applied, change the orientation strings ahead of
+    // the rotation applications
+    if (viewport.vflip) {
+        markers.top = cornerstoneTools.orientation.invertOrientationString(markers.top);
+    }
+    if (viewport.hflip) {
+        markers.left = cornerstoneTools.orientation.invertOrientationString(markers.left);
+    }
+
+    // Get the viewport orientation marker DOM elements
+    var viewportOrientationMarkers = $(element).siblings(".viewportOrientationMarkers");
+    var topMarker = viewportOrientationMarkers.find('.topMid');
+    var leftMarker = viewportOrientationMarkers.find('.leftMid');
+
+    // Swap the labels accordingly if the viewport has been rotated
+    // This could be done in a more complex way for intermediate rotation values (e.g. 45 degrees)
+    if (viewport.rotation === 90 || viewport.rotation === -270) {
+        topMarker.text(markers.left);
+        leftMarker.text(cornerstoneTools.orientation.invertOrientationString(markers.top));
+    } else if (viewport.rotation === -90 || viewport.rotation === 270) {
+        topMarker.text(cornerstoneTools.orientation.invertOrientationString(markers.left));
+        leftMarker.text(markers.top);
+    } else if (viewport.rotation === 180 || viewport.rotation === -180) {
+        topMarker.text(cornerstoneTools.orientation.invertOrientationString(markers.top));
+        leftMarker.text(cornerstoneTools.orientation.invertOrientationString(markers.left));
+    } else {
+        topMarker.text(markers.top);
+        leftMarker.text(markers.left);
+    }
+};

Packages/viewerbase/package.js

@@ -0,0 +1,115 @@
+Package.describe({
+  name: "viewerbase",
+  summary: "Shared components and functions for Meteor DICOM Viewers",
+  version: '0.0.1'
+});
+
+Package.onUse(function (api) {
+    api.versionsFrom('1.2.0.2');
+
+    api.use('standard-app-packages');
+    api.use('jquery');
+    api.use('stylus');
+
+    // Our custom package
+    api.use('cornerstone');
+
+    // ---------- Components ----------
+
+    // Basic components
+    api.addFiles('components/basic/layout/layout.html', 'client');
+    api.addFiles('components/basic/layout/layout.styl', 'client');
+    api.addFiles('components/basic/login/login.html', 'client');
+    api.addFiles('components/basic/notFound/notFound.html', 'client');
+
+    // Study Browser components
+    api.addFiles('components/studyBrowser/studyBrowser/studyBrowser.html', 'client');
+    api.addFiles('components/studyBrowser/studyBrowser/studyBrowser.js', 'client');
+    api.addFiles('components/studyBrowser/studyBrowser/studyBrowser.styl', 'client');
+
+    api.addFiles('components/studyBrowser/thumbnailEntry/thumbnailEntry.html', 'client');
+    api.addFiles('components/studyBrowser/thumbnailEntry/thumbnailEntry.js', 'client');
+    api.addFiles('components/studyBrowser/thumbnailEntry/thumbnailEntry.styl', 'client');
+
+    api.addFiles('components/studyBrowser/thumbnails/thumbnails.html', 'client');
+    api.addFiles('components/studyBrowser/thumbnails/thumbnails.js', 'client');
+
+    api.addFiles('components/studyBrowser/imageThumbnail/imageThumbnail.html', 'client');
+    api.addFiles('components/studyBrowser/imageThumbnail/imageThumbnail.js', 'client');
+    api.addFiles('components/studyBrowser/imageThumbnail/imageThumbnail.styl', 'client');
+
+    // Viewer components
+    api.addFiles('components/viewer/imageViewerViewport/imageViewerViewport.html', 'client');
+    api.addFiles('components/viewer/imageViewerViewport/imageViewerViewport.js', 'client');
+    api.addFiles('components/viewer/imageViewerViewport/imageViewerViewport.styl', 'client');
+
+    api.addFiles('components/viewer/imageViewerViewports/imageViewerViewports.html', 'client');
+    api.addFiles('components/viewer/imageViewerViewports/imageViewerViewports.js', 'client');
+    api.addFiles('components/viewer/imageViewerViewports/imageViewerViewports.styl', 'client');
+
+    api.addFiles('components/viewer/loadingIndicator/loadingIndicator.html', 'client');
+    api.addFiles('components/viewer/loadingIndicator/loadingIndicator.js', 'client');
+    api.addFiles('components/viewer/loadingIndicator/loadingIndicator.styl', 'client');
+
+    api.addFiles('components/viewer/viewportOrientationMarkers/viewportOrientationMarkers.html', 'client');
+    api.addFiles('components/viewer/viewportOrientationMarkers/viewportOrientationMarkers.js', 'client');
+    api.addFiles('components/viewer/viewportOrientationMarkers/viewportOrientationMarkers.styl', 'client');
+
+    api.addFiles('components/viewer/viewportOverlay/viewportOverlay.html', 'client');
+    api.addFiles('components/viewer/viewportOverlay/viewportOverlay.js', 'client');
+    api.addFiles('components/viewer/viewportOverlay/viewportOverlay.styl', 'client');
+
+    api.addFiles('components/viewer/layoutChooser/layoutChooser.html', 'client');
+    api.addFiles('components/viewer/layoutChooser/layoutChooser.js', 'client');
+    api.addFiles('components/viewer/layoutChooser/layoutChooser.styl', 'client');
+
+    // Library functions
+    api.addFiles('lib/accountsConfig.js', 'client');
+    api.addFiles('lib/createStacks.js', 'client');
+    api.addFiles('lib/encodeQueryData.js', ['client', 'server']);
+    api.addFiles('lib/findIndexOfString.js', 'client');
+    api.addFiles('lib/getActiveViewportElement.js', 'client');
+    api.addFiles('lib/getImageId.js', 'client');
+    api.addFiles('lib/getWADORSImageId.js', 'client');
+    api.addFiles('lib/isTouchDevice.js', 'client');
+    api.addFiles('lib/metaDataProvider.js', 'client');
+    api.addFiles('lib/rerenderViewportWithNewSeries.js', 'client');
+    api.addFiles('lib/sortStudy.js', 'client');
+    api.addFiles('lib/stringToUint8Array.js', 'client');
+    api.addFiles('lib/toolManager.js', 'client');
+    api.addFiles('lib/uint8ArrayToString.js', 'client');
+    api.addFiles('lib/updateOrientationMarkers.js', 'client');
+
+    //api.export('accountsConfig', 'client');
+    api.export('createStacks', 'client');
+    api.export('encodeQueryData', ['client', 'server']);
+    api.export('findIndexOfString', 'client');
+    api.export('getActiveViewportElement', 'client');
+    api.export('getImageId', 'client');
+    api.export('getWADORSImageId', 'client');
+    api.export('isTouchDevice', 'client');
+    api.export('metaDataProvider', 'client');
+    api.export('rerenderViewportWithNewSeries', 'client');
+    api.export('sortStudy', 'client');
+    api.export('stringToUint8Array', 'client');
+    api.export('toolManager', 'client');
+    api.export('uint8ArrayToString', 'client');
+    api.export('updateOrientationMarkers', 'client');
+
+    // UI Helpers
+    api.addFiles('lib/helpers/formatDA.js', 'client');
+    api.addFiles('lib/helpers/formatNumberPrecision.js', 'client');
+    api.addFiles('lib/helpers/formatPN.js', 'client');
+    api.addFiles('lib/helpers/formatTM.js', 'client');
+
+    // Server-side functions
+    api.addFiles('server/seed.js', 'server');
+    api.addFiles('server/lib/namespace.js', 'server');
+    api.addFiles('server/methods/getStudyMetadata.js', 'server');
+    api.addFiles('server/methods/worklistSearch.js', 'server');
+    api.addFiles('server/services/qido/instances.js', 'server');
+    api.addFiles('server/services/qido/studies.js', 'server');
+    api.addFiles('server/services/wado/retrieveMetadata.js', 'server');
+    api.export('Services', 'server');
+});
+

Packages/viewerbase/server/lib/namespace.js

@@ -0,0 +1,3 @@
+Services = {};
+Services.QIDO = {};
+Services.WADO = {};

Packages/viewerbase/server/methods/getStudyMetadata.js

@@ -0,0 +1,10 @@
+Meteor.methods({
+  'GetStudyMetadata' : function(studyInstanceUid) {
+    console.log('GetStudyMetadata(%s)', studyInstanceUid);
+
+    var server = Meteor.settings.dicomWeb.endpoints[0];
+
+    //return Services.QIDO.Instances(server, studyInstanceUid);
+    return Services.WADO.RetrieveMetadata(server, studyInstanceUid);
+  }
+});

Packages/viewerbase/server/methods/worklistSearch.js

@@ -0,0 +1,6 @@
+Meteor.methods({
+  'WorklistSearch' : function(filter) {
+    var server = Meteor.settings.dicomWeb.endpoints[0];
+    return Services.QIDO.Studies(server, filter);
+  }
+});

Packages/viewerbase/server/seed.js

@@ -0,0 +1,18 @@
+var users = [
+  {
+    email: 'admin@ohif.org',
+    //username: "admin",
+    password: "admin",
+    profile: {
+
+    }
+  }
+];
+
+Meteor.startup(function() {
+  users.forEach(function(user) {
+    if(!Meteor.users.findOne({username: user.username})) {
+      Accounts.createUser(user);
+    }
+  });
+});

Packages/viewerbase/server/services/qido/instances.js

@@ -0,0 +1,59 @@
+function buildUrl(server, studyInstanceUid) {
+
+  var url = server.qidoRoot + '/studies/' + studyInstanceUid + '/instances';
+
+  return url;
+}
+
+function resultDataToStudyMetadata(server, studyInstanceUid, resultData) {
+  var seriesMap = {};
+  var seriesList = [];
+  resultData.forEach(function(instance) {
+    var seriesInstanceUid = DICOMWeb.getString(instance['0020000E']);
+    var series = seriesMap[seriesInstanceUid];
+    if(!series) {
+      series = {
+        seriesInstanceUid : seriesInstanceUid,
+        seriesNumber : DICOMWeb.getString(instance['00200011']),
+        instances: []
+      };
+      seriesMap[seriesInstanceUid] = series;
+      seriesList.push(series);
+    }
+
+    // The uri for the dicomweb
+    // NOTE: DCM4CHEE seems to return the data zipped
+    // NOTE: Orthanc returns the data with multi-part mime which cornerstoneWADOImageLoader doesn't
+    //       know how to parse yet
+    //var uri = DICOMWeb.getString(instance['00081190']);
+    //uri = uri.replace('wado-rs', 'dicom-web');
+
+    // manually create a WADO-URI from the UID's
+    // NOTE: Haven't been able to get Orthanc's WADO-URI to work yet - maybe its not configured?
+    var sopInstanceUid = DICOMWeb.getString(instance['00080018']);
+    var uri = server.wadoUriRoot + '?requestType=WADO&studyUID=' + studyInstanceUid + '&seriesUID=' + seriesInstanceUid + '&objectUID=' + sopInstanceUid + "&contentType=application%2Fdicom";
+
+    series.instances.push({
+      sopClassUid: DICOMWeb.getString(instance['00080016']),
+      sopInstanceUid: sopInstanceUid,
+      uri: uri,
+      instanceNumber: DICOMWeb.getString(instance['00200013'])
+    });
+  });
+  return seriesList;
+}
+
+Services.QIDO.Instances = function(server, studyInstanceUid) {
+
+  var url = buildUrl(server, studyInstanceUid);
+
+  var result = DICOMWeb.getJSON(url, server.requestOptions);
+  
+  var study = {
+    wadoUriRoot: server.wadoUriRoot,
+    studyInstanceUid: studyInstanceUid,
+    seriesList: resultDataToStudyMetadata(server, studyInstanceUid, result.data)
+  };
+
+  return study;
+};

Packages/viewerbase/server/services/qido/studies.js

@@ -0,0 +1,38 @@
+function filterToQIDOURL(server, filter) {
+  var parameters = {
+    PatientName : filter.patientName,
+    PatientID: filter.patientId,
+    AccessionNumber : filter.accessionNumber,
+    limit : filter.limit || 20,
+    includefield : server.qidoSupportsIncludeField ? 'all' : undefined
+  };
+  var url = server.qidoRoot + '/studies?' + encodeQueryData(parameters);
+  return url;
+}
+
+function resultDataToStudies(resultData) {
+  var studies = [];
+  resultData.forEach(function(study) {
+    studies.push({
+      patientName: DICOMWeb.getName(study['00100010']),
+      patientId: DICOMWeb.getString(study['00100020']),
+      accessionNumber : DICOMWeb.getString(study['00080050']),
+      studyDate: DICOMWeb.getString(study['00080020']),
+      modalities: DICOMWeb.getString(study['00080061']),
+      studyDescription: DICOMWeb.getString(study['00081030']),
+      imageCount: DICOMWeb.getString(study['00201208']),
+      studyInstanceUid: DICOMWeb.getString(study['0020000D'])
+      //url : server.wadoRoot + '/studies/' + DICOMWeb.getString(study['0020000D']) + '/metadata'
+    });
+  });
+  return studies;
+}
+
+Services.QIDO.Studies = function(server, filter) {
+
+  var url = filterToQIDOURL(server, filter);
+
+  var result = DICOMWeb.getJSON(url, server.requestOptions);
+
+  return resultDataToStudies(result.data);
+};

Packages/viewerbase/server/services/wado/retrieveMetadata.js

@@ -0,0 +1,88 @@
+function buildUrl(server, studyInstanceUid) {
+
+  var url = server.wadoRoot + '/studies/' + studyInstanceUid + '/metadata';
+
+  return url;
+}
+
+function resultDataToStudyMetadata(server, studyInstanceUid, resultData) {
+  var seriesMap = {};
+  var seriesList = [];
+  resultData.forEach(function(instance) {
+    var seriesInstanceUid = DICOMWeb.getString(instance['0020000E']);
+    var series = seriesMap[seriesInstanceUid];
+    if(!series) {
+      series = {
+        seriesDescription: DICOMWeb.getString(instance['0008103E']),
+        modality: DICOMWeb.getString(instance['00080060']),
+        seriesInstanceUid : seriesInstanceUid,
+        seriesNumber : DICOMWeb.getNumber(instance['00200011']),
+        instances: []
+      };
+      seriesMap[seriesInstanceUid] = series;
+      seriesList.push(series);
+    }
+
+    var sopInstanceUid = DICOMWeb.getString(instance['00080018']);
+
+    var instanceSummary = {
+      // -----------
+      // TODO = Fix this
+      // This doesn't seem like the best place to put this, but otherwise we have no study info
+      patientName: DICOMWeb.getName(instance['00100010']),
+      patientId: DICOMWeb.getString(instance['00100020']),
+      accessionNumber : DICOMWeb.getString(instance['00080050']),
+      studyDate: DICOMWeb.getString(instance['00080020']),
+      modalities: DICOMWeb.getString(instance['00080061']),
+      studyDescription: DICOMWeb.getString(instance['00081030']),
+      imageCount: DICOMWeb.getString(instance['00201208']),
+      studyInstanceUid: DICOMWeb.getString(instance['0020000D']),
+      // -----------
+      imageType: DICOMWeb.getString(instance['00080008']),
+      sopClassUid: DICOMWeb.getString(instance['00080016']),
+      sopInstanceUid: sopInstanceUid,
+      instanceNumber: DICOMWeb.getNumber(instance['00200013']),
+      imagePositionPatient: DICOMWeb.getString(instance['00200032']),
+      imageOrientationPatient: DICOMWeb.getString(instance['00200037']),
+      frameOfReferenceUID: DICOMWeb.getString(instance['00200052']),
+      sliceLocation: DICOMWeb.getNumber(instance['00201041']),
+      samplesPerPixel: DICOMWeb.getNumber(instance['00280002']),
+      photometricInterpretation: DICOMWeb.getString(instance['00280004']),
+      rows: DICOMWeb.getNumber(instance['00280010']),
+      columns: DICOMWeb.getNumber(instance['00280011']),
+      pixelSpacing: DICOMWeb.getString(instance['00280030']),
+      bitsAllocated: DICOMWeb.getNumber(instance['00280100']),
+      bitsStored: DICOMWeb.getNumber(instance['00280101']),
+      highBit: DICOMWeb.getNumber(instance['00280102']),
+      pixelRepresentation: DICOMWeb.getNumber(instance['00280103']),
+      windowCenter: DICOMWeb.getString(instance['00281050']),
+      windowWidth: DICOMWeb.getString(instance['00281051']),
+      rescaleIntercept: DICOMWeb.getNumber(instance['00281052']),
+      rescaleSlope: DICOMWeb.getNumber(instance['00281053']),
+    };
+
+    if(server.imageRendering === 'wadouri') {
+      instanceSummary.wadouri = server.wadoUriRoot + '?requestType=WADO&studyUID=' + studyInstanceUid + '&seriesUID=' + seriesInstanceUid + '&objectUID=' + sopInstanceUid + "&contentType=application%2Fdicom";
+    } else {
+      instanceSummary.wadorsuri = server.wadoRoot + '/studies/' + studyInstanceUid + '/series/' + seriesInstanceUid + '/instances/' + sopInstanceUid + '/frames/1';
+    }
+
+    series.instances.push(instanceSummary);
+  });
+  return seriesList;
+}
+
+Services.WADO.RetrieveMetadata = function(server, studyInstanceUid) {
+
+  var url = buildUrl(server, studyInstanceUid);
+
+  var result = DICOMWeb.getJSON(url, server.requestOptions);
+
+  var study = {
+    wadoUriRoot: server.wadoUriRoot,
+    studyInstanceUid: studyInstanceUid,
+    seriesList: resultDataToStudyMetadata(server, studyInstanceUid, result.data)
+  };
+
+  return study;
+};

Packages/worklist/components/worklist.html

@@ -0,0 +1,15 @@
+<template name="worklist">
+    <div class="tabbable">
+        <ul id="tabs" class="nav nav-tabs" style="width:100%;">
+            <li class="active">
+                <a id="tabList" data-toggle="tab">Study List</a>
+            </li>
+        </ul>
+        <div id="tabs-content" class="tab-content">
+            <div id="contentList" class="tab-pane active">
+                {{> worklistSearch }}
+                {{> worklistResult }}
+            </div>
+        </div>
+    </div>
+</template>

Packages/worklist/components/worklist.js

@@ -0,0 +1,110 @@
+var contentID = "";
+
+//Generate UUID to create unique tabs
+function generateUUID () {
+    var d = new Date().getTime();
+    var uuid = 'xxxxxxxx'.replace(/[xy]/g, function(c) {
+        var r = (d + Math.random()*8)%8 | 0;
+        d = Math.floor(d/8);
+        return (c=='x' ? r : (r&0x3|0x8)).toString(8);
+    });
+    return uuid;
+}
+
+//Remove tab
+function removeTab (uuid) {
+    var removedTabIndex = $("#tab"+uuid).index();
+    //Remove tab
+    $("#tab"+uuid).remove();
+    //Remove Content
+    $("#content"+uuid).remove();
+
+    //TODO:Activate previous tab
+
+}
+
+//Add new tab
+function addNewTab (data) {
+    //Make inactive all tabs
+    $("#tabs > li").removeClass("active");
+    $("#tabs-content  > div").removeClass("active");
+
+    //Create new li element for tab
+    var tabli = document.createElement("li");
+    $(tabli).addClass("active");
+    $("#tabs").append(tabli);
+
+    //a element inside li
+    var taba = document.createElement("a");
+    var uuid = generateUUID();
+    var tabId = "tab"+uuid;
+
+
+    //activeTabId provides unique tabs content and encapsulates templates in tabs
+    Session.set("activeTabId", tabId);
+    console.log(Session.get("activeTabId"));
+
+    //Create tab
+    taba.setAttribute("data-toggle","tab");
+    taba.setAttribute("id",tabId);
+    taba.innerHTML = data.patientName;
+    tabli.appendChild(taba);
+
+    //Create close button
+    var btnClose = document.createElement('button');
+    $(btnClose).addClass("btnClose");
+    btnClose.innerHTML = "x";
+    btnClose.onclick = function() { // Note this is a function
+        removeTab(uuid);
+    };
+    taba.appendChild(btnClose);
+
+    //Create div content
+    var tabContent = document.createElement("div");
+    var contentId = "content"+uuid;
+    tabContent.setAttribute("id",contentId);
+    $(tabContent).css("background-color", "black");
+    $(tabContent).addClass("tab-pane");
+    $(tabContent).addClass("active");
+    $("#tabs-content").append(tabContent);
+
+    contentID = contentId;
+}
+
+function insertContent () {
+
+    //Include imageViewer template
+    UI.insert( UI.render( Template.viewer ), $( '#'+contentID ).get(0) );
+}
+
+Template.worklist.events({
+    'click ul#tabs>li>a': function (event){
+        var tabId = $(event.target).attr("id");
+        if ( tabId !== undefined ) {
+            //Save activeTabId to load correct study for each tab
+            Session.set("activeTabId", tabId);
+
+            var splitTabId = tabId.split("tab");
+            var contentId = "content"+splitTabId[1];
+
+            //Make inactive all tab-pane divs
+            $("#tabs-content>div").removeClass("active");
+            $("#"+contentId).addClass("active");
+        }
+    }
+});
+
+Tracker.autorun(function () {
+    var data = Session.get('openNewTabEvent');
+    var content = Session.get('showContentInTab');
+    if ( data ) {
+        addNewTab(data);
+    }
+
+    if (content) {
+        insertContent();
+    }
+
+    Session.set('openNewTabEvent', false);
+    Session.set('showContentInTab', false);
+});

Packages/worklist/components/worklist.styl

@@ -0,0 +1,50 @@
+html, body 
+    height: 100%
+    margin: 0
+    padding: 0
+    background-color: white
+    color: black
+
+
+div 
+    margin: 0
+    padding: 0
+
+
+/***********************************************/
+/* CSS3 Close button */
+/***********************************************/
+
+.btnClose 
+    top: 0
+    right: 0
+    bottom: 0
+    width: 20px
+    height: 20px
+    text-decoration: none
+    border: none
+    background-color: #fcfcfc
+    -moz-border-radius: 10px
+    -webkit-border-radius: 10px
+    border-radius: 10px
+    margin-left: 5px
+    font-weight: bold
+
+.tabbable
+  cursor: pointer
+  position: absolute
+  top:0
+  left:0
+  bottom: 0
+  right: 0
+  width: 100%
+  height: 100%
+  color: black
+  
+.tab-content
+  position: absolute
+  top: 42px
+  left: 0
+  right: 0
+  bottom: 3px
+  width: 100%

Packages/worklist/components/worklistResult/worklistResult.html

@@ -0,0 +1,20 @@
+<template name="worklistResult">
+    <table id="tblStudyList" class="table table-striped">
+        <thead>
+        <tr>
+            <th>Patient Name</th>
+            <th>Patient ID</th>
+            <th>Accession#</th>
+            <th>Study Date</th>
+            <th>Modality</th>
+            <th>Study Description</th>
+            <th># Images</th>
+        </tr>
+        </thead>
+        <tbody id="studyListData">
+        {{#each studies}}
+            {{> worklistStudy }}
+        {{/each}}
+        </tbody>
+    </table>
+</template>

Packages/worklist/components/worklistResult/worklistResult.js

@@ -0,0 +1,7 @@
+Studies = new Mongo.Collection(null);
+
+Template.worklistResult.helpers({
+    studies : function() {
+        return Studies.find();
+    }
+});

Packages/worklist/components/worklistResult/worklistResult.styl

@@ -0,0 +1,6 @@
+table#tblStudyList
+  color: black
+  
+  tbody tr:hover
+    background-color: #009BD2
+    color: white

Packages/worklist/components/worklistSearch/worklistSearch.html

@@ -0,0 +1,88 @@
+<template name="worklistSearch">
+    <!--Search Panel-->
+    <div class="panel panel-default">
+        <div class="panel-heading" id="search-panel-head">Search</div>
+        <div class="panel-body">
+            <div style="padding: 10px;">
+                <div class="row">
+                    <div class="col-lg-8 col-md-8 col-xs-12">
+                        <div class="row">
+                            <div class="col-lg-3 col-md-3 col-xs-10">
+                                <div class="form-group">
+                                    <label for="patientId">Patient ID</label>
+                                    <input type="text" class="form-control" id="patientId" placeholder="Patient ID">
+                                </div>
+                            </div>
+                            <div class="col-lg-3 col-md-3 col-xs-10">
+                                <div class="form-group">
+                                    <label for="patientName">Name</label>
+                                    <input type="text" class="form-control" id="patientName" placeholder="Name">
+                                </div>
+                            </div>
+                            <div class="col-lg-3 col-md-3 col-xs-10">
+                                <div class="form-group">
+                                    <label for="patientAccessionNumber">Accession #</label>
+                                    <input type="text" class="form-control" id="patientAccessionNumber" placeholder="Accession #">
+                                </div>
+                            </div>
+                            <div class="col-lg-3 col-md-3 col-xs-10">
+                                <div class="form-group">
+                                    <label for="studyDescription">Study Description</label>
+                                    <input type="text" class="form-control" id="studyDescription" placeholder="Study Description">
+                                </div>
+                            </div>
+                        </div>
+
+                        <div class="row">
+                            <div class="col-lg-3 col-md-3 col-xs-10">
+                                <!--Add calendar ui-->
+                                <div class="form-group">
+                                    <label for="">Study Date(from)</label>
+                                    <p><input type="checkbox" id="checkFrom"><input id="studyDateFrom" type="date" class="form-control" style="padding-left: 30px;"></p>
+                                </div>
+                            </div>
+                            <div class="col-lg-3 col-md-3 col-xs-10">
+                                <div class="form-group">
+                                    <label for="">Study Date(to)</label>
+                                    <p><input type="checkbox" id="checkTo"><input id="studyDateTo" type="date" class="form-control" style="padding-left:30px;"></p>
+                                </div>
+                            </div>
+                            <div class="col-lg-3 col-md-3 col-xs-10">
+                                <div class="form-group">
+                                    <label for="referringPhysician">Referring Physician</label>
+                                    <input type="text" class="form-control" id="referringPhysician" placeholder="Referring Physician">
+                                </div>
+                            </div>
+                            <div class="col-lg-3 col-md-3 col-xs-10">
+                                <div class="form-group">
+                                    <label for="modality">Modality</label>
+                                    <input type="text" class="form-control" id="modality" placeholder="Modality">
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
+                    <div class="col-lg-4 col-md-4 col-xs-12">
+                        <div class="row" style="margin-top: 25px;margin-bottom: 25px;">
+                            <div class="col-lg-4 col-md-6 col-xs-6">
+                                <button class="btn btn-primary" id="btnSearch">Search</button>
+                            </div>
+                            <div class="col-lg-4 col-md-6 col-xs-6">
+                                <button class="btn btn-primary" id="btnToday">Today</button>
+                            </div>
+                        </div>
+                        <div class="row">
+                            <div class="col-lg-4 col-md-6 col-xs-6">
+                                <button class="btn btn-primary" id="btnClear">Clear</button>
+                            </div>
+                            <div class="col-lg-4 col-md-6 col-xs-6">
+                                <button class="btn btn-primary" id="btnLastSevenDays">Last 7 Days</button>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+    <!--Search panel ends-->
+</template>

Packages/worklist/components/worklistSearch/worklistSearch.js

@@ -0,0 +1,124 @@
+//Get all studies
+search();
+
+var studyDateFrom;
+var studyDateTo;
+var checkFrom = false;
+var checkTo = false;
+
+function getFilter(filter) {
+    if(filter && filter.length && filter.substr(filter.length - 1) !== '*') {
+        filter += '*';
+    }
+    return filter;
+}
+
+//Search value
+function isIndexOf(mainVal, searchVal) {
+    if(mainVal === undefined || mainVal === '' || mainVal.indexOf(searchVal) > -1){
+        return true;
+    }
+
+    return false;
+}
+
+//Replace object is undefined
+function replaceUndefinedColumnValue (text) {
+    if (text == undefined || text === "undefined") {
+        return "";
+    } else {
+        return text;
+    }
+}
+
+//Convert string to study date
+function convertStringToStudyDate (dateStr) {
+    var y = dateStr.substring(0,4);
+    var m = dateStr.substring(4,6);
+    var d = dateStr.substring(6,8);
+    var newDateStr = y+"/"+m+"/"+d;
+    var date_ = new Date(newDateStr);
+    return date_;
+}
+
+function search() {
+    var filter = {
+        patientName: getFilter($('#patientName').val()),
+        patientId: getFilter($('#patientId').val()),
+        accessionNumber: getFilter($('#patientAccessionNumber').val())
+    };
+
+    var modality = replaceUndefinedColumnValue($('#modality').val());
+
+    Studies.remove({});
+    Meteor.call('WorklistSearch', filter, function(error, studies) {
+        if (studies) {
+            studies.forEach(function(study) {
+
+                if(isIndexOf(study.modalities, modality) &&
+                    (new Date(studyDateFrom).setHours(0,0,0,0) <= convertStringToStudyDate(study.studyDate) || !checkFrom) &&
+                    (convertStringToStudyDate(study.studyDate) <= new Date(studyDateTo).setHours(0,0,0,0) || !checkTo)) {
+
+                    Studies.insert(study);
+                }
+            });
+        }
+    });
+
+}
+
+Template.worklistSearch.events({
+
+    //Search
+    'click button#btnSearch' :function(event) {
+        studyDateFrom = $('#studyDateFrom').val();
+        studyDateTo = $('#studyDateTo').val();
+        checkFrom = $('#checkFrom').is(':checked');
+        checkTo = $('#checkTo').is(':checked');
+        search();
+
+        return false;
+    },
+
+    //Today
+    'click button#btnToday' :function(event) {
+        studyDateTo = new Date();
+        studyDateFrom =  studyDateTo;
+        checkFrom = true;
+        checkTo = true;
+
+        search();
+
+        return false;
+    },
+
+    //Clear
+    'click button#btnClear' :function(event) {
+        $("#patientId").val("");
+        $("#patientName").val("");
+        $("#patientAccessionNumber").val("");
+        $("#studyDescription").val("");
+        $("#referringPhysician").val("");
+        $("#studyDateFrom").val("");
+        $("#studyDateTo").val("");
+        $("#modality").val("");
+        $('#checkFrom').prop('checked', false);
+        $('#checkTo').prop('checked', false);
+
+    },
+
+    //Last 7 Days
+    'click button#btnLastSevenDays' :function(event) {
+        studyDateTo = new Date();
+        studyDateFrom =  new Date();
+        studyDateFrom.setDate(studyDateFrom.getDate()-7);
+        checkFrom = true;
+        checkTo = true;
+
+        search();
+
+        return false;
+    }
+
+
+});

Packages/worklist/components/worklistSearch/worklistSearch.styl

@@ -0,0 +1,35 @@
+/***********************************************/
+/* Search Panel */
+/***********************************************/
+#search-panel-head{
+    background-color: #337ab7;
+    color: white;
+    font-weight: 500;
+    font-size: 20px;
+    line-height: 20px;
+    box-shadow: 2px 2px 2px #888888;
+}
+
+#btnSearch, #btnToday, #btnClear, #btnLastSevenDays{
+    width: 100%;
+}
+
+#checkFrom, #checkTo{
+    width:20px;
+    height:20px;
+    position:absolute;
+    left:20px;
+    bottom: 22px;
+}
+/***********************************************/
+/* Tabs */
+/***********************************************/
+.tab-pane{
+    position:absolute;
+    width: 100%;
+    height:100%;
+}
+
+.nav > li > a {
+    padding: 10px 5px;
+}

Packages/worklist/components/worklistStudy/worklistStudy.html

@@ -0,0 +1,25 @@
+<template name="worklistStudy">
+    <tr>
+        <td>
+            {{patientName}}
+        </td>
+        <td>
+            {{patientId}}
+        </td>
+        <td>
+            {{accessionNumber}}
+        </td>
+        <td>
+            {{studyDate}}
+        </td>
+        <td>
+            {{modalities}}
+        </td>
+        <td>
+            {{studyDescription}}
+        </td>
+        <td>
+            {{imageCount}}
+        </td>
+    </tr>
+</template>

Packages/worklist/components/worklistStudy/worklistStudy.js

@@ -0,0 +1,5 @@
+Template.worklistStudy.events({
+    'click': function (){
+        Router.go('viewer', {_id: this.studyInstanceUid});
+    }
+});

Packages/worklist/components/worklistStudy/worklistStudy.styl

@@ -0,0 +1 @@
+ 

Packages/worklist/package.js

@@ -0,0 +1,31 @@
+Package.describe({
+  name: "worklist",
+  summary: "Basic worklist for web-based DICOM viewers",
+  version: '0.0.1'
+});
+
+Package.onUse(function (api) {
+    api.versionsFrom('1.2.0.2');
+
+    api.use('standard-app-packages');
+    api.use('jquery');
+    api.use('stylus');
+
+    // Components
+    api.addFiles('components/worklist.html', 'client');
+    api.addFiles('components/worklist.js', 'client');
+    api.addFiles('components/worklist.styl', 'client');
+
+    api.addFiles('components/worklistStudy/worklistStudy.html', 'client');
+    api.addFiles('components/worklistStudy/worklistStudy.js', 'client');
+    api.addFiles('components/worklistStudy/worklistStudy.styl', 'client');
+
+    api.addFiles('components/worklistResult/worklistResult.html', 'client');
+    api.addFiles('components/worklistResult/worklistResult.js', 'client');
+    api.addFiles('components/worklistResult/worklistResult.styl', 'client');
+
+    api.addFiles('components/worklistSearch/worklistSearch.html', 'client');
+    api.addFiles('components/worklistSearch/worklistSearch.js', 'client');
+    api.addFiles('components/worklistSearch/worklistSearch.styl', 'client');
+});
+