[web] change ducks/ui

1 files changed, 31 insertions, 0 deletions

diff --git a/web/src/js/ducks/views/main.js b/web/src/js/ducks/views/main.js
index f4968de4..db9de619 100755
--- a/web/src/js/ducks/views/main.js
+++ b/web/src/js/ducks/views/main.js
@@ -7,6 +7,7 @@ export const UPDATE_FILTER = 'FLOW_VIEWS_MAIN_UPDATE_FILTER'
 export const UPDATE_SORT = 'FLOW_VIEWS_MAIN_UPDATE_SORT'
 export const UPDATE_HIGHLIGHT = 'FLOW_VIEWS_MAIN_UPDATE_HIGHLIGHT'
 export const SELECT = 'FLOW_VIEWS_MAIN_SELECT'
+export const SELECT_RELATIVE = 'SELECT_RELATIVE'
 
 const sortKeyFuns = {
 
@@ -52,6 +53,27 @@ export default function reduce(state = defaultState, action) {
                 selected: [action.id]
             }
 
+        case SELECT_RELATIVE:
+            if(action.shift === null) {
+                return {
+                    ...state,
+                    selected: []
+                }
+            }
+            let id = state.selected[0]
+            let index = 0
+            if(!id && action.shift < 0) {
+                index = state.view.data.length - 1
+            } else if(id) {
+                index = state.view.indexOf[id] + action.shift
+                index = index < 0 ? 0 : index
+                index = index > state.view.data.length - 1 ? state.view.data.length - 1 : index
+            }
+            return {
+                ...state,
+                selected: [state.view.data[index].id]
+            }
+
         case UPDATE_FILTER:
             return {
                 ...state,
@@ -171,6 +193,15 @@ export function select(id) {
 }
 
 /**
+ * @public
+ */
+export function selectRelative(shift) {
+    return (dispatch, getState) => {
+        dispatch({ type: SELECT_RELATIVE, currentSelection: getState().flows.views.main.selected[0], shift })
+    }
+}
+
+/**
  * @private
  */
 function makeFilter(filter) {