Minor fix to avoid unexpected SWT errors

jbosstools · Apr 4, 2014 · 70c14e2 · 70c14e2
1 parent a991162
commit 70c14e2
Showing 1 changed file with 7 additions and 6 deletions.
diff --git a/...jboss.tools.aesh.ui/src/org/jboss/tools/aesh/ui/internal/viewer/DocumentListenerImpl.java b/...jboss.tools.aesh.ui/src/org/jboss/tools/aesh/ui/internal/viewer/DocumentListenerImpl.java
@@ -7,10 +7,10 @@
 import org.jboss.tools.aesh.ui.internal.document.StyleImpl;
 
 public class DocumentListenerImpl implements IDocumentListener {
-	
+
 	private TextWidget textWidget;
 	private DocumentImpl document;
-	
+
 	public DocumentListenerImpl(TextWidget textWidget, DocumentImpl document) {
 		this.textWidget = textWidget;
 		this.document = document;
@@ -27,10 +27,11 @@ public void documentChanged(final DocumentEvent event) {
             textWidget.setTopIndex(lineCount - 1);
             StyleImpl style = (StyleImpl)document.getCurrentStyle();
 			StyleRange styleRange = style.getStyleRange();
-			if (styleRange != null && 
-					event.getLength() == 0 && 
-					styleRange.start <= document.getLength() && 
-					styleRange.length >= 0 && 
+			if (styleRange != null &&
+					event.getLength() == 0 &&
+					styleRange.start >= 0 &&
+					styleRange.start <= document.getLength() &&
+					styleRange.length >= 0 &&
 					styleRange.start + styleRange.length <= document.getLength()) {
  				textWidget.setStyleRange(styleRange);
 			}