src/pages/VisProgPage/visualProgrammingUI/EditorUndoRedo.ts

@@ -1,10 +1,18 @@
 import type {Edge, Node} from "@xyflow/react";
 import type {StateCreator, StoreApi } from 'zustand/vanilla';
+import type {
+  SeverityIndex,
+  WarningRegistry
+} from "./components/EditorWarnings.tsx";
 import type {FlowState} from "./VisProgTypes.tsx";
 
 export type FlowSnapshot = {
   nodes: Node[];
   edges: Edge[];
+  warnings: {
+    warningRegistry: WarningRegistry;
+    severityIndex: SeverityIndex;
+  }
 }
 
 /**
@@ -41,7 +49,11 @@ export const UndoRedo = (
    */
   const getSnapshot = (state : BaseFlowState) : FlowSnapshot => (structuredClone({
     nodes: state.nodes,
-    edges: state.edges
+    edges: state.edges,
+    warnings: {
+      warningRegistry: state.editorWarningRegistry,
+      severityIndex: state.severityIndex,
+    }
   }));
 
   const initialState = config(set, get, api);
@@ -78,6 +90,8 @@ export const UndoRedo = (
       set({
         nodes: snapshot.nodes,
         edges: snapshot.edges,
+        editorWarningRegistry: snapshot.warnings.warningRegistry,
+        severityIndex: snapshot.warnings.severityIndex,
       });
 
       state.future.push(currentSnapshot); // push current to redo
@@ -97,6 +111,8 @@ export const UndoRedo = (
       set({
         nodes: snapshot.nodes,
         edges: snapshot.edges,
+        editorWarningRegistry: snapshot.warnings.warningRegistry,
+        severityIndex: snapshot.warnings.severityIndex,
       });
 
       state.past.push(currentSnapshot); // push current to undo

src/pages/VisProgPage/visualProgrammingUI/components/EditorWarnings.tsx

@@ -19,6 +19,7 @@ export type WarningType =
   | 'MISSING_OUTPUT'
   | 'PLAN_IS_UNDEFINED'
   | 'INCOMPLETE_PROGRAM'
+  | 'NOT_CONNECTED_TO_PROGRAM'
   | string
 
 export type WarningSeverity =
@@ -87,7 +88,7 @@ export type EditorWarningRegistry = {
 
   /**
    * unregisters warnings from the warningRegistry and the SeverityIndex
-   * @param {EditorWarning} warning
+   * @param {WarningId} warning
    */
   unregisterWarningsForId: (id: WarningId) => void;
 }
@@ -187,13 +188,15 @@ export function editorWarningRegistry(get: ZustandGet, set: ZustandSet) : Editor
 
     // remove from severity index
     if (nodeWarnings) {
-      nodeWarnings.forEach((warning, warningKey) => {
+      nodeWarnings.forEach((warning) => {
+        const warningKey = `${warning.type}:${warning.scope.handleId}`;
         sIndex.get(warning.severity)?.delete(`${id}|${warningKey}`);
       });
     }
 
     // remove from warning registry
     wRegistry.delete(id);
+    console.log(wRegistry.get(id));
 
     set({
       editorWarningRegistry: wRegistry,

src/pages/VisProgPage/visualProgrammingUI/components/WarningSidebar.tsx

@@ -19,9 +19,6 @@ export function WarningsSidebar() {
     ? warnings
     : warnings.filter(w => w.severity === severityFilter);
 
-
-
-
   return (
     <aside className={styles.warningsSidebar}>
       <WarningsHeader
@@ -83,7 +80,7 @@ function WarningsList(props: { warnings: EditorWarning[] }) {
     )
   }
   return (
-    <div>
+    <div style={{overflowY: 'auto'}}>
       <div className={"warningGroup"}>
         <div className={styles.warningGroupHeader}>global:</div>
         <div className={styles.warningsList}>

src/pages/VisProgPage/visualProgrammingUI/nodes/PhaseNode.tsx

@@ -4,7 +4,7 @@ import {
   type Node, useNodeConnections
 } from '@xyflow/react';
 import {useEffect} from "react";
-import type {EditorWarning} from "../components/EditorWarnings.tsx";
+import {type EditorWarning} from "../components/EditorWarnings.tsx";
 import { Toolbar } from '../components/NodeComponents';
 import styles from '../../VisProg.module.css';
 import {SingleConnectionHandle, MultiConnectionHandle} from "../components/RuleBasedHandle.tsx";
@@ -39,16 +39,29 @@ export type PhaseNode = Node<PhaseNodeData>
  */
 export default function PhaseNode(props: NodeProps<PhaseNode>) {
   const data = props.data;
-  const {updateNodeData} = useFlowStore();
+  const {updateNodeData, registerWarning, unregisterWarning} = useFlowStore();
   const updateLabel = (value: string) => updateNodeData(props.id, {...data, label: value});
   const label_input_id = `phase_${props.id}_label_input`;
 
-  const {registerWarning, unregisterWarning} = useFlowStore.getState();
   const connections = useNodeConnections({
     id: props.id,
     handleType: "target",
     handleId: 'data'
   })
+  
+  const phaseOutCons = useNodeConnections({
+    id: props.id,
+    handleType: "source",
+    handleId: 'source',
+  })
+
+  const phaseInCons = useNodeConnections({
+    id: props.id,
+    handleType: "target",
+    handleId: 'target',
+  })
+
+
 
   useEffect(() => {
     const noConnectionWarning : EditorWarning = {
@@ -61,10 +74,64 @@ export default function PhaseNode(props: NodeProps<PhaseNode>) {
       description: "the phaseNode has no incoming goals, norms, and/or triggers"
     }
 
-    if (connections.length === 0) { registerWarning(noConnectionWarning); }
-    else { unregisterWarning(props.id, `${noConnectionWarning.type}:data`); }
+    if (connections.length === 0) { registerWarning(noConnectionWarning); return; }
+    unregisterWarning(props.id, `${noConnectionWarning.type}:data`);
   }, [connections.length, props.id, registerWarning, unregisterWarning]);
 
+  useEffect(() => {
+    const notConnectedInfo : EditorWarning = {
+      scope: {
+        id: props.id,
+        handleId: undefined,
+      },
+      type: 'NOT_CONNECTED_TO_PROGRAM',
+      severity: "INFO",
+      description: "The PhaseNode is not connected to other nodes"
+    };
+    const noIncomingPhaseWarning : EditorWarning = {
+      scope: {
+        id: props.id,
+        handleId: 'target'
+      },
+      type: 'MISSING_INPUT',
+      severity: "WARNING",
+      description: "the phaseNode has no incoming connection from a phase or the startNode"
+    }
+    const noOutgoingPhaseWarning : EditorWarning = {
+      scope: {
+        id: props.id,
+        handleId: 'source'
+      },
+      type: 'MISSING_OUTPUT',
+      severity: "WARNING",
+      description: "the phaseNode has no outgoing connection to a phase or the endNode"
+    }
+
+    // register relevant warning and unregister others
+    if (phaseInCons.length === 0 && phaseOutCons.length === 0) {
+      registerWarning(notConnectedInfo);
+      unregisterWarning(props.id, `${noOutgoingPhaseWarning.type}:${noOutgoingPhaseWarning.scope.handleId}`);
+      unregisterWarning(props.id, `${noIncomingPhaseWarning.type}:${noIncomingPhaseWarning.scope.handleId}`);
+      return;
+    }
+    if (phaseOutCons.length === 0) {
+      registerWarning(noOutgoingPhaseWarning);
+      unregisterWarning(props.id, `${noIncomingPhaseWarning.type}:${noIncomingPhaseWarning.scope.handleId}`);
+      unregisterWarning(notConnectedInfo.scope.id, notConnectedInfo.type);
+      return;
+    }
+    if (phaseInCons.length === 0) {
+      registerWarning(noIncomingPhaseWarning);
+      unregisterWarning(props.id, `${noOutgoingPhaseWarning.type}:${noOutgoingPhaseWarning.scope.handleId}`);
+      unregisterWarning(notConnectedInfo.scope.id, notConnectedInfo.type);
+      return;
+    }
+    // unregister all warnings if none should be present
+    unregisterWarning(notConnectedInfo.scope.id, notConnectedInfo.type);
+    unregisterWarning(props.id, `${noOutgoingPhaseWarning.type}:${noOutgoingPhaseWarning.scope.handleId}`);
+    unregisterWarning(props.id, `${noIncomingPhaseWarning.type}:${noIncomingPhaseWarning.scope.handleId}`);
+  }, [phaseInCons.length, phaseOutCons.length, props.id, registerWarning, unregisterWarning]);
+
   return (
     <>
       <Toolbar nodeId={props.id} allowDelete={true}/>

test/pages/visProgPage/visualProgrammingUI/EditorUndoRedo.test.ts

@@ -34,10 +34,17 @@ describe("UndoRedo Middleware", () => {
             type: 'default',
             position: {x: 0, y: 0},
             data: {label: 'A'}
-          },
+          }
         ],
-        edges: []
+        edges: [],
+        warnings: {
+          warningRegistry: new Map(),
+          severityIndex: new Map()
+        }
       }],
+      ruleRegistry: new Map(),
+      editorWarningRegistry: new Map(),
+      severityIndex: new Map()
     });
 
     act(() => {
@@ -53,7 +60,11 @@ describe("UndoRedo Middleware", () => {
         position: {x: 0, y: 0},
         data: {label: 'A'}
       }],
-      edges: []
+      edges: [],
+      warnings: {
+        warningRegistry: {},
+        severityIndex: {}
+      }
     });
     expect(state.future).toEqual([]);
   });
@@ -80,7 +91,9 @@ describe("UndoRedo Middleware", () => {
         position: {x: 0, y: 0},
         data: {label: 'A'}
       }],
-      edges: []
+      edges: [],
+      editorWarningRegistry: new Map(),
+      severityIndex: new Map()
     });
 
     act(() => {
@@ -114,7 +127,11 @@ describe("UndoRedo Middleware", () => {
         position: {x: 0, y: 0},
         data: {label: 'B'}
       }],
-      edges: []
+      edges: [],
+      warnings: {
+        warningRegistry: {},
+        severityIndex: {}
+      }
     });
   });
 
@@ -140,7 +157,9 @@ describe("UndoRedo Middleware", () => {
         position: {x: 0, y: 0},
         data: {label: 'A'}
       }],
-      edges: []
+      edges: [],
+      editorWarningRegistry: new Map(),
+      severityIndex: new Map()
     });
 
     act(() => {
@@ -176,7 +195,11 @@ describe("UndoRedo Middleware", () => {
         position: {x: 0, y: 0},
         data: {label: 'A'}
       }],
-      edges: []
+      edges: [],
+      warnings: {
+        warningRegistry: {},
+        severityIndex: {}
+      }
     });
   });
 
@@ -199,7 +222,9 @@ describe("UndoRedo Middleware", () => {
         position: {x: 0, y: 0},
         data: {label: 'A'}
       }],
-      edges: []
+      edges: [],
+      editorWarningRegistry: new Map(),
+      severityIndex: new Map()
     });
 
     act(() => { store.getState().beginBatchAction(); });