PY-22561 Data View: auto-update doesn't work with slices

python/pydevSrc/com/jetbrains/python/debugger/PyDebugValue.java

@@ -355,4 +355,8 @@ public class PyDebugValue extends XNamedValue {
   public String getTypeQualifier() {
     return myTypeQualifier;
   }
+
+  public boolean isTemporary() {
+    return myTempName != null;
+  }
 }

python/src/com/jetbrains/python/debugger/array/AsyncArrayTableModel.java

@@ -49,7 +49,7 @@ public class AsyncArrayTableModel extends AbstractTableModel {
 
   private final ExecutorService myExecutorService = ConcurrencyUtil.newSingleThreadExecutor("Python async table");
 
-  private final PyDebugValue myDebugValue;
+  private PyDebugValue myDebugValue;
   private final DataViewStrategy myStrategy;
   private LoadingCache<Pair<Integer, Integer>, ListenableFuture<ArrayChunk>> myChunkCache = CacheBuilder.newBuilder().build(
     new CacheLoader<Pair<Integer, Integer>, ListenableFuture<ArrayChunk>>() {
@@ -256,4 +256,12 @@ public class AsyncArrayTableModel extends AbstractTableModel {
   public void invalidateCache() {
     myChunkCache.invalidateAll();
   }
+
+  public PyDebugValue getDebugValue() {
+    return myDebugValue;
+  }
+
+  public void setDebugValue(PyDebugValue debugValue) {
+    myDebugValue = debugValue;
+  }
 }

python/src/com/jetbrains/python/debugger/containerview/PyDataViewerPanel.java

@@ -86,11 +86,24 @@ public class PyDataViewerPanel extends JPanel {
 
   private void updateModel() {
     AsyncArrayTableModel model = getModel();
-    if (model != null) {
-      model.invalidateCache();
-      if (isShowing()) {
-        model.fireTableDataChanged();
-      }
+    if (model == null) {
+      return;
+    }
+    model.invalidateCache();
+    updateDebugValue(model);
+    if (isShowing()) {
+      model.fireTableDataChanged();
+    }
+  }
+
+  private void updateDebugValue(@NotNull AsyncArrayTableModel model) {
+    PyDebugValue oldValue = model.getDebugValue();
+    if (!oldValue.isTemporary()) {
+      return;
+    }
+    PyDebugValue newValue = getDebugValue(mySliceTextField.getText());
+    if (newValue != null) {
+      model.setDebugValue(newValue);
     }
   }