Most JS files, all helpers and simple reconciliations

Packages/ohif-viewerbase/client/lib/WLPresets.js

@@ -1,28 +1,86 @@
+import { Meteor } from 'meteor/meteor';
 import { OHIF } from 'meteor/ohif:core';
+import { viewportUtils } from './viewportUtils';
 
-applyWLPreset = function(presetName, element) {
-    OHIF.log.info("Applying WL Preset: " + presetName);
-    var viewport = cornerstone.getViewport(element);
+// TODO: add this to a namespace definition
+Meteor.startup(function() {
+    OHIF.viewer.defaultWLPresets = {
+        SoftTissue: {
+            wc: 40,
+            ww: 400
+        },
+        Lung: {
+            wc: -600,
+            ww: 1500
+        },
+        Liver: {
+            wc: 90,
+            ww: 150
+        },
+        Bone: {
+            wc: 480,
+            ww: 2500
+        },
+        Brain: {
+            wc: 40,
+            ww: 80
+        }
+    };
 
-    if (presetName === 'Default') {
-        var enabledElement = cornerstone.getEnabledElement(element);
-        viewport.voi.windowWidth = enabledElement.image.windowWidth;
-        viewport.voi.windowCenter = enabledElement.image.windowCenter;
-    } else {
-        var preset = OHIF.viewer.wlPresets[presetName];
-        viewport.voi.windowWidth = preset.ww;
-        viewport.voi.windowCenter = preset.wc;
+    // For now
+    OHIF.viewer.wlPresets = OHIF.viewer.defaultWLPresets;
+});
+
+function applyWLPreset(presetName, element) {
+    OHIF.log.info('Applying WL Preset: ' + presetName);
+    if (presetName !== 'Custom') {
+        const viewport = cornerstone.getViewport(element);
+
+        if (presetName === 'Default') {
+            const enabledElement = cornerstone.getEnabledElement(element);
+            viewport.voi.windowWidth = enabledElement.image.windowWidth;
+            viewport.voi.windowCenter = enabledElement.image.windowCenter;
+        } else {
+            const preset = OHIF.viewer.wlPresets[presetName];
+            if(preset) {
+                viewport.voi.windowWidth = preset.ww;
+                viewport.voi.windowCenter = preset.wc;
+            }
+        }
+
+        // Update the viewport
+        cornerstone.setViewport(element, viewport);
     }
+}
 
-    // Update the viewport
-    cornerstone.setViewport(element, viewport);
-};
-
-applyWLPresetToActiveElement = function(presetName) {
-    var element = getActiveViewportElement();
+function applyWLPresetToActiveElement(presetName) {
+    const element = viewportUtils.getActiveViewportElement();
     if (!element) {
         return;
     }
 
     applyWLPreset(presetName, element);
+
+    // To perform reactivity in other components
+    Session.set('WLPresetActiveElement', presetName);
+}
+
+/**
+ * Overrides OHIF's wlPresets
+ * @param  {Object} wlPresets Object with wlPresets mapping
+ */
+function setOHIFWLPresets(wlPresets) {
+    OHIF.viewer.wlPresets = wlPresets;
+}
+
+/**
+ * Export functions inside WLPresets namespace.
+ */
+
+const WLPresets = {
+    applyWLPreset,
+    applyWLPresetToActiveElement,
+    setOHIFWLPresets
 };
+
+export { WLPresets };