Fix: Read access is allowed from inside read-action only #878

Author: SeeSharpSoft

src/main/java/net/seesharpsoft/intellij/plugins/csv/editor/table/CsvTableModelBase.java

@@ -92,7 +92,7 @@ private void resetCachedValues() {
     }
 
     private void resetPointer() {
-        myPointedRecord = PsiTreeUtil.findChildOfType(getPsiFile(), CsvRecord.class);
+        myPointedRecord = PsiHelper.getFirstChildOfType(getPsiFile(), CsvRecord.class);
         myPointedRow = 0;
     }
 

src/main/java/net/seesharpsoft/intellij/psi/PsiHelper.java

@@ -19,6 +19,11 @@ public static IElementType getElementType(PsiElement element) {
         return element == null || element.getNode() == null ? null : element.getNode().getElementType();
     }
 
+    @Nullable
+    public static <T extends PsiElement> T getFirstChildOfType(@NotNull final PsiElement parent, @NotNull Class<T> aClass) {
+        return getNthChildOfType(parent, 0, aClass);
+    }
+    
     @Nullable
     public static <T extends PsiElement> T getNthChildOfType(@NotNull final PsiElement parent, int n, @NotNull Class<T> aClass) {
         PsiElement firstChild = parent.getFirstChild();