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Diffstat (limited to 'plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css.configuration/src')
-rw-r--r--plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css.configuration/src/org/eclipse/papyrus/infra/gmfdiag/css/configuration/providers/ExistingStyleContentProvider.java7
1 files changed, 6 insertions, 1 deletions
diff --git a/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css.configuration/src/org/eclipse/papyrus/infra/gmfdiag/css/configuration/providers/ExistingStyleContentProvider.java b/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css.configuration/src/org/eclipse/papyrus/infra/gmfdiag/css/configuration/providers/ExistingStyleContentProvider.java
index 291c328a865..a5b76514954 100644
--- a/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css.configuration/src/org/eclipse/papyrus/infra/gmfdiag/css/configuration/providers/ExistingStyleContentProvider.java
+++ b/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css.configuration/src/org/eclipse/papyrus/infra/gmfdiag/css/configuration/providers/ExistingStyleContentProvider.java
@@ -43,7 +43,12 @@ public class ExistingStyleContentProvider implements IHierarchicContentProvider
}
public Object[] getElements(Object inputElement) {
- return getStyleSheets().toArray();
+ Collection<StyleSheet> stylesheets = getStyleSheets();
+ if(stylesheets.isEmpty()) {
+ //Display a message to let the user know why he cannot edit a stylesheet
+ return new Object[]{ "No stylesheet available" };
+ }
+ return stylesheets.toArray();
}
public Object[] getChildren(Object parentElement) {

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