Split packages into platform and extensions

platform/viewer/src/appExtensions/GenericViewerCommands/commandsModule.js

@@ -0,0 +1,39 @@
+import { redux } from 'ohif-core';
+import store from './../../store';
+const { setViewportActive } = redux.actions;
+
+const actions = {
+  updateViewportDisplaySet: ({ direction }) => {
+    // TODO
+    // console.warn('updateDisplaySet: ', direction);
+  },
+  updateActiveViewport: ({ viewports, direction }) => {
+    const { viewportSpecificData, activeViewportIndex } = viewports;
+    const maxIndex = Object.keys(viewportSpecificData).length - 1;
+
+    let newIndex = activeViewportIndex + direction;
+    newIndex = newIndex > maxIndex ? 0 : newIndex;
+    newIndex = newIndex < 0 ? maxIndex : newIndex;
+
+    store.dispatch(setViewportActive(newIndex));
+  },
+};
+
+const definitions = {
+  // Next/Previous active viewport
+  incrementActiveViewport: {
+    commandFn: actions.updateActiveViewport,
+    storeContexts: ['viewports'],
+    options: { direction: 1 },
+  },
+  decrementActiveViewport: {
+    commandFn: actions.updateActiveViewport,
+    storeContexts: ['viewports'],
+    options: { direction: -1 },
+  },
+};
+
+export default {
+  definitions,
+  defaultContext: 'VIEWER',
+};