refactor: replace TextArea with Div

Author: javier-godoy

src/main/java/com/flowingcode/vaadin/addons/errorwindow/ErrorWindow.java

@@ -25,11 +25,11 @@
 import com.vaadin.flow.component.button.Button;
 import com.vaadin.flow.component.dependency.CssImport;
 import com.vaadin.flow.component.dialog.Dialog;
+import com.vaadin.flow.component.html.Div;
 import com.vaadin.flow.component.icon.VaadinIcon;
 import com.vaadin.flow.component.orderedlayout.FlexComponent.Alignment;
 import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
 import com.vaadin.flow.component.orderedlayout.VerticalLayout;
-import com.vaadin.flow.component.textfield.TextArea;
 import java.io.ByteArrayOutputStream;
 import java.io.PrintWriter;
 import java.util.UUID;
@@ -190,14 +190,15 @@ private VerticalLayout createExceptionTraceLayout() {
   }
 
   protected Component createStackTraceArea() {
-    final TextArea area = new TextArea();
+    final Div area = new Div();
+    area.setClassName("stacktrace");
     area.setWidthFull();
     area.setHeight("15em");
     final ByteArrayOutputStream baos = new ByteArrayOutputStream();
     final PrintWriter pw = new PrintWriter(baos);
     cause.printStackTrace(pw);
     pw.flush();
-    area.setValue(baos.toString());
+    area.add(baos.toString());
     return area;
   }
 

src/main/resources/META-INF/resources/frontend/flowingcode/error-window.css

@@ -9,4 +9,15 @@
   font-weight: 600;
   font-size: var(--lumo-font-size-l);
   margin-top: 1em;	
-}
+}
+
+[theme~="error-window"] .stacktrace {
+  white-space: pre;
+  background: rgba(26, 57, 96, 0.1);
+  overflow: auto;
+  padding: 0.25em 0.625em;
+  border-radius: 4px;
+  font-weight: 600;
+  margin: 4px 0;
+  box-sizing: border-box;
+}