1 files changed, 78 insertions, 0 deletions
diff --git a/vid-webpack-master/src/app/drawingBoard/service-planning/drawing-board-tree/dragAndDrop/dragAndDrop.service.ts b/vid-webpack-master/src/app/drawingBoard/service-planning/drawing-board-tree/dragAndDrop/dragAndDrop.service.ts
new file mode 100644
index 000000000..01763c685
--- /dev/null
+++ b/vid-webpack-master/src/app/drawingBoard/service-planning/drawing-board-tree/dragAndDrop/dragAndDrop.service.ts
@@ -0,0 +1,78 @@
+import {Injectable} from "@angular/core";
+import {NgRedux} from "@angular-redux/store";
+import {AppState} from "../../../../shared/store/reducers";
+import {DragAndDropModel} from "./dragAndDrop.model";
+import {FeatureFlagsService, Features} from "../../../../shared/services/featureFlag/feature-flags.service";
+import * as _ from 'lodash';
+
+@Injectable()
+export class DragAndDropService {
+
+  constructor(private store: NgRedux<AppState>){}
+
+  isAllow(): boolean {
+    return FeatureFlagsService.getFlagState(Features.DRAG_AND_DROP_OPERATION, this.store);
+  }
+  /********************************************************************
+   * manage drawing-board drag and drop operation
+   * @param nodes - array with elements data.
+   * @param tree - tree instance
+   * @param node - element information
+   * @param from - element from information
+   * @param to - element to information
+   ************************************************************/
+
+  drag(store, instanceId : string , nodes, {from, to}) :void{
+    if (!store.getState().global.flags["DRAG_AND_DROP_OPERATION"]) return;
+
+    let firstLevelNames : DragAndDropModel[] = [
+        new DragAndDropModel('VF',true),
+        new DragAndDropModel('VL',true),
+        new DragAndDropModel('VFmodule',false)
+    ];
+
+    const fromObject = _.find(firstLevelNames, ['type', from.data.type]);
+    const toObject = _.find(firstLevelNames, ['type', to.parent.data.type]);
+
+    /***********************************************************************************************
+     if the type are the same and there in same level + same parent -> then change element position
+     ***********************************************************************************************/
+    if(fromObject.isFirstLevel === toObject.isFirstLevel){ // moving element in the same level and in the first level
+      if(fromObject.isFirstLevel){
+        this.array_move(nodes, from.index , to.parent.index, instanceId);
+      } else if(fromObject.isFirstLevel === toObject.isFirstLevel){
+        /* check if they have the same parent */
+        if(from.parent.data.trackById === to.parent.parent.data.trackById){
+          let vfModules = nodes.find((parents)=> {
+            return parents.trackById === to.parent.parent.data.trackById;
+          }).children;
+          this.array_move(vfModules, from.index , to.parent.index, instanceId, to.parent.parent.data.vnfStoreKey);
+        }
+      }
+    }
+  }
+
+
+   /********************************************************************
+   * move element inside array with elements position
+   * @param arr - array with elements data.
+   * @param originalPosition - element original position
+   * @param destPosition - element dest position
+   * @param destPinstanceIdosition - instance id
+   ******************************************************************/
+  array_move(arr, originalPosition, destPosition, instanceId : string, parentStoreKey?) {
+    if (destPosition >= arr.length) {
+      let k = destPosition - arr.length + 1;
+      while (k--) {
+        arr.push(undefined);
+      }
+    }
+    arr.splice(destPosition, 0, arr.splice(originalPosition, 1)[0]);
+    arr.forEach((item, index) => {
+      if(item.position !== index){
+        item.position = index;
+        item.updatePoistionFunction(this, item, instanceId, parentStoreKey);
+      }
+    });
+  };
+}