Detaching handling desconnecting from the structure

FloatingSpace/StrategyPart.js

@@ -328,35 +328,50 @@ function newStrategyPart () {
     switch (thisObject.payload.node.type) {
       case 'Phase': {
         let parent = thisObject.payload.parentNode
-        for (let i = 0; i < parent.phases.length; i++) {
-          let phase = parent.phases[i]
-          if (phase.id === thisObject.payload.node.id) {
-            label = label + ' #' + (i + 1)
-            return label
+        if (parent !== undefined) {
+          for (let i = 0; i < parent.phases.length; i++) {
+            let phase = parent.phases[i]
+            if (phase.id === thisObject.payload.node.id) {
+              label = label + ' #' + (i + 1)
+              return label
+            }
           }
+        } else {
+          return label
         }
+
         break
       }
       case 'Situation': {
         let parent = thisObject.payload.parentNode
-        for (let i = 0; i < parent.situations.length; i++) {
-          let situation = parent.situations[i]
-          if (situation.id === thisObject.payload.node.id) {
-            label = label + ' #' + (i + 1)
-            return label
+        if (parent !== undefined) {
+          for (let i = 0; i < parent.situations.length; i++) {
+            let situation = parent.situations[i]
+            if (situation.id === thisObject.payload.node.id) {
+              label = label + ' #' + (i + 1)
+              return label
+            }
           }
+        } else {
+          return label
         }
+
         break
       }
       case 'Condition': {
         let parent = thisObject.payload.parentNode
-        for (let i = 0; i < parent.conditions.length; i++) {
-          let condition = parent.conditions[i]
-          if (condition.id === thisObject.payload.node.id) {
-            label = label + ' #' + (i + 1)
-            return label
+        if (parent !== undefined) {
+          for (let i = 0; i < parent.conditions.length; i++) {
+            let condition = parent.conditions[i]
+            if (condition.id === thisObject.payload.node.id) {
+              label = label + ' #' + (i + 1)
+              return label
+            }
           }
+        } else {
+          return label
         }
+
         break
       }
       default: {

StrategySpace/Workspace.js

@@ -73,10 +73,31 @@ function newWorkspace () {
         return
       }
         break
+      case 'Condition': {
+        let payload = node.payload
+        for (let i = 0; i < payload.parentNode.conditions.length; i++) {
+          let condition = payload.parentNode.conditions[i]
+          if (condition.id === node.id) {
+            payload.parentNode.conditions.splice(i, 1)
+          }
+        }
+      }
+        break
+      case 'Situation': {
+        let payload = node.payload
+        for (let i = 0; i < payload.parentNode.situations.length; i++) {
+          let situation = payload.parentNode.situations[i]
+          if (situation.id === node.id) {
+            payload.parentNode.situations.splice(i, 1)
+          }
+        }
+      }
+        break
       default:
 
     }
     node.payload.chainParent = undefined
+    node.payload.parentNode = undefined
   }
 
   function createPart (partType, name, node, parentNode, chainParent, title) {