Merge pull request Kitware#679 from lchauvin/keyboard-change-slice

feat(Slice): Use keyboard to change slices of the active view

src/components/vtk/VtkSliceViewSlicingManipulator.vue

@@ -11,7 +11,8 @@ import vtkMouseRangeManipulator, {
 } from '@kitware/vtk.js/Interaction/Manipulators/MouseRangeManipulator';
 import vtkInteractorStyleManipulator from '@kitware/vtk.js/Interaction/Style/InteractorStyleManipulator';
 import { syncRef } from '@vueuse/core';
-import { inject, toRefs, computed } from 'vue';
+import { inject, toRefs, unref, watch, computed } from 'vue';
+import { useViewStore } from '@/src/store/views';
 
 interface Props {
   viewId: string;
@@ -58,6 +59,13 @@ const scroll = useMouseRangeManipulatorListener(
   sliceConfig.slice.value
 );
 
+watch(scroll, () => {
+  const viewStore = useViewStore();
+  if (unref(viewId) !== viewStore.activeViewID) {
+    viewStore.setActiveViewID(unref(viewId));
+  }
+});
+
 syncRef(scroll, sliceConfig.slice, { immediate: true });
 </script>
 

src/composables/actions.ts

@@ -3,8 +3,11 @@ import { Tools } from '../store/tools/types';
 import { useRectangleStore } from '../store/tools/rectangles';
 import { useRulerStore } from '../store/tools/rulers';
 import { usePolygonStore } from '../store/tools/polygons';
+import { useViewStore } from '../store/views';
 import { Action } from '../constants';
 import { useKeyboardShortcutsStore } from '../store/keyboard-shortcuts';
+import { useCurrentImage } from './useCurrentImage';
+import { useSliceConfig } from './useSliceConfig';
 
 const applyLabelOffset = (offset: number) => () => {
   const toolToStore = {
@@ -36,6 +39,14 @@ const showKeyboardShortcuts = () => {
   keyboardStore.settingsOpen = !keyboardStore.settingsOpen;
 };
 
+const changeSlice = (offset: number) => () => {
+  const { currentImageID } = useCurrentImage();
+  const { activeViewID } = useViewStore();
+
+  const { slice: currentSlice } = useSliceConfig(activeViewID, currentImageID);
+  currentSlice.value += offset;
+};
+
 export const ACTION_TO_FUNC = {
   windowLevel: setTool(Tools.WindowLevel),
   pan: setTool(Tools.Pan),
@@ -48,6 +59,9 @@ export const ACTION_TO_FUNC = {
   polygon: setTool(Tools.Polygon),
   select: setTool(Tools.Select),
 
+  nextSlice: changeSlice(1),
+  previousSlice: changeSlice(-1),
+
   decrementLabel: applyLabelOffset(-1),
   incrementLabel: applyLabelOffset(1),
 

src/config.ts

@@ -281,6 +281,9 @@ export const ACTION_TO_KEY = {
   mergeNewPolygon: 'Shift',
   select: 's',
 
+  nextSlice: 'arrowdown',
+  previousSlice: 'arrowup',
+
   decrementLabel: 'q',
   incrementLabel: 'w',
 

src/constants.ts

@@ -53,6 +53,13 @@ export const ACTIONS = {
     readable: 'Activate Select tool',
   },
 
+  nextSlice: {
+    readable: 'Next Slice',
+  },
+  previousSlice: {
+    readable: 'Previous Slice',
+  },
+
   decrementLabel: {
     readable: 'Activate previous Label',
   },