AW-6981 Support for backup and restore (current) features

projects/common-map/src/fm-map/actions/map.actions.ts

@@ -59,6 +59,8 @@ export const TOGGLESHOWDATALAYERSLIDE = '[Map] ToggleShowDataLayerSlide'
 export const SETVIEWSTATE = '[Map] SetViewState'
 export const CLEARFEATURES = '[Map] ClearFeatures';
 export const SETPANELEXTRAWIDE = '[Map] SetPanelExtraWide';
+export const BACKUPFEATURES = '[Map] BackupFeatures';
+export const RESTOREFEATURES = '[Map] RestoreFeatures';
 
 export class Clear implements Action {
   readonly type = CLEAR;
@@ -347,6 +349,16 @@ export class SetPanelExtraWide implements Action {
   constructor(public panelExtraWide:boolean) {}
 }
 
+export class BackupFeatures implements Action {
+  readonly type = BACKUPFEATURES;
+  constructor() {}
+}
+
+export class RestoreFeatures implements Action {
+  readonly type = RESTOREFEATURES;
+  constructor() {}
+}
+
 export type Actions = SetMapState
   | Init
   | Clear
@@ -395,5 +407,7 @@ export type Actions = SetMapState
   | ToggleShowDataLayerSlide
   | SetViewState
   | ClearFeatures
-  | SetPanelExtraWide;
+  | SetPanelExtraWide
+  | BackupFeatures
+  | RestoreFeatures;
 

projects/common-map/src/fm-map/reducers/map.reducer.ts

@@ -9,6 +9,7 @@ import { ILayervalue } from '../models/layer.value';
 import * as mapActions from '../actions/map.actions';
 import {commonActions} from '@farmmaps/common';
 import { createSelector, createFeatureSelector } from '@ngrx/store';
+import * as _ from 'lodash';
 
 import {Feature} from 'ol';
 import {Geometry} from 'ol/geom';
@@ -47,6 +48,7 @@ export interface State {
   query:IQuery,
   parentCode: string,
   features: Array<Feature<Geometry>>,
+  featuresBackup: Array<Feature<Geometry>>,
   panelVisible: boolean,
   panelCollapsed: boolean,
   panelExtraWide: boolean,
@@ -93,6 +95,7 @@ export const initialState: State = {
   query: null,
   parentCode: null,
   features: [],
+  featuresBackup: [],
   panelVisible: false,
   panelCollapsed: false,
   panelExtraWide: false,
@@ -156,13 +159,15 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
       const a = action as mapActions.StartSearchSuccess;
       return tassign(state, {
         features: a.features,
+        featuresBackup: [],
         inSearch:false
       });
     }
     case mapActions.SETFEATURES: {
       const a = action as mapActions.SetFeatures;
       return tassign(state, {
-        features: a.features
+        features: a.features,
+        featuresBackup: []
       });
     }
     case mapActions.SELECTFEATURE: {
@@ -180,6 +185,7 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
         selectedItemLayer: null,
         showDataLayerSlide: false,
         features:[],
+        featuresBackup: [],
         inSearch:inSearch
       });
     }
@@ -296,6 +302,7 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
       return tassign(state, {
         selectedItem: null,
         features:[],
+        featuresBackup: [],
         selectedItemLayer:null,
         searchCollapsed: !panelVisible,
         panelVisible: panelVisible,
@@ -332,7 +339,8 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
         extent: a.feature.getGeometry().getExtent(),
         searchCollapsed: false,
         clearEnabled:true,
-        features:features
+        features:features,
+        featuresBackup:[]
       });
     }
     case mapActions.UPDATEFEATURESUCCESS: {
@@ -346,7 +354,7 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
           features.push(state.features[i]);
         }
       }
-      return tassign(state, { features: features });
+      return tassign(state, { features: features, featuresBackup: [] });
     }
     case mapActions.EXPANDSEARCH: {
       return tassign(state, { searchCollapsed: false });
@@ -391,7 +399,7 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
       return tassign(state, {overlayLayers: [], selectedOverlayLayer: null});
     }
     case mapActions.CLEARFEATURES: {
-      return tassign(state, {features: [], selectedFeature: null});
+      return tassign(state, {features: [], featuresBackup: [], selectedFeature: null});
     }
     case mapActions.SETVISIBILITY: {
       const a = action as mapActions.SetVisibility;
@@ -509,6 +517,7 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
         searchCollapsed: true,
         searchMinified: false,
         features: [],
+        featuresBackup: [],
         query:initialState.query,
         showLayerSwitcher: false,
         extent: null,
@@ -556,7 +565,8 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
           selectedItem: null,
           selectedItemLayer: null,
           showDataLayerSlide: false,
-          features:[]
+          features:[],
+          featuresBackup:[]
          });
       }
       if(state.features.length>0)  {
@@ -569,7 +579,7 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
         if(index>=0) {
           const newFeatures = state.features.slice(0);
           newFeatures.splice(index,1);
-          return tassign(state,{features:newFeatures});
+          return tassign(state,{features:newFeatures, featuresBackup:[]});
         }
       }
       return state;
@@ -578,6 +588,17 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
       const a= action as mapActions.SetPanelExtraWide;
       return tassign(state,{panelExtraWide:a.panelExtraWide});
     }
+    case mapActions.BACKUPFEATURES: {
+      return tassign(state, {
+        featuresBackup: _.cloneDeep(state.features)
+      });
+    }
+    case mapActions.RESTOREFEATURES: {
+      return tassign(state, {
+        features: _.cloneDeep(state.featuresBackup),
+        featuresBackup: []
+      });
+    }
     default: {
       return state;
     }