EA-41423

plugins/ui-designer/src/com/intellij/uiDesigner/designSurface/GuiEditor.java

@@ -965,6 +965,11 @@ public final class GuiEditor extends JPanel implements DataProvider, ModuleProvi
     return null;
   }
 
+  public boolean isUndoRedoInProgress() {
+    UndoManager undoManager = UndoManager.getInstance(getProject());
+    return undoManager.isUndoInProgress() || undoManager.isRedoInProgress();
+  }
+
   private boolean isActiveEditor() {
     return UIDesignerToolWindowManager.getInstance(getProject()).getActiveFormEditor() == this;
   }

plugins/ui-designer/src/com/intellij/uiDesigner/designSurface/InplaceEditingLayer.java

@@ -240,25 +240,28 @@ public final class InplaceEditingLayer extends JComponent{
    * Finishes current inplace editing
    */
   private void finishInplaceEditing(){
-    if(myInplaceComponent == null || myInsideChange){ // nothing to finish
+    if (myInplaceComponent == null || myInsideChange) { // nothing to finish
       return;
     }
     myInsideChange = true;
     try{
       // 1. Apply new value to the component
       LOG.assertTrue(myInplaceEditor != null);
-      CommandProcessor.getInstance().executeCommand(
-        myInplaceComponent.getProject(),
-        new Runnable() {
-          public void run() {
-            try {
-              final Object value = myInplaceEditor.getValue();
-              myInplaceProperty.setValue(myInplaceComponent, value);
-            } catch (Exception ignored){}
-            myEditor.refreshAndSave(true);
-          }
-        }, UIDesignerBundle.message("command.set.property.value"), null);
-
+      if (!myEditor.isUndoRedoInProgress()) {
+        CommandProcessor.getInstance().executeCommand(
+          myInplaceComponent.getProject(),
+          new Runnable() {
+            public void run() {
+              try {
+                final Object value = myInplaceEditor.getValue();
+                myInplaceProperty.setValue(myInplaceComponent, value);
+              }
+              catch (Exception ignored) {
+              }
+              myEditor.refreshAndSave(true);
+            }
+          }, UIDesignerBundle.message("command.set.property.value"), null);
+      }
       // 2. Remove editor from the layer
 
       if (myInplaceEditorComponent != null) {  // reenterability guard

plugins/ui-designer/src/com/intellij/uiDesigner/propertyInspector/PropertyInspectorTable.java

@@ -654,14 +654,18 @@ public final class PropertyInspectorTable extends Table implements DataProvider{
   public void editingStopped(final ChangeEvent ignored){
     LOG.assertTrue(isEditing());
     LOG.assertTrue(editingRow!=-1);
-    if (myStoppingEditing) return;
+    if (myStoppingEditing) {
+      return;
+    }
     myStoppingEditing = true;
     final Property property=myProperties.get(editingRow);
     final PropertyEditor editor=property.getEditor();
     editor.removePropertyEditorListener(myPropertyEditorListener);
     try {
-      final Object value = editor.getValue();
-      setValueAt(value, editingRow, editingColumn);
+      if (myEditor != null && !myEditor.isUndoRedoInProgress()) {
+        final Object value = editor.getValue();
+        setValueAt(value, editingRow, editingColumn);
+      }
     }
     catch (final Exception exc) {
       showInvalidInput(exc);