X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms.ux%2Fsrc%2Forg%2Fargeo%2Fcms%2Fux%2Fwidgets%2FHierarchicalPart.java;h=1f42c6aa5fb384840e846e557226c4762dd13ec7;hb=1afc194a1c02c9b1287ae7b319f831792fe96e8d;hp=0926ff527901728c13f2231a8885c55b79c8a655;hpb=e168383bac50637131fef8c41e119db7eb2284a7;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms.ux/src/org/argeo/cms/ux/widgets/HierarchicalPart.java b/org.argeo.cms.ux/src/org/argeo/cms/ux/widgets/HierarchicalPart.java
index 0926ff527..1f42c6aa5 100644
--- a/org.argeo.cms.ux/src/org/argeo/cms/ux/widgets/HierarchicalPart.java
+++ b/org.argeo.cms.ux/src/org/argeo/cms/ux/widgets/HierarchicalPart.java
@@ -1,5 +1,17 @@
 package org.argeo.cms.ux.widgets;
 
-public interface HierarchicalPart extends ColumnsPart {
+import java.util.List;
+
+import org.argeo.api.cms.ux.CmsIcon;
+
+/** A hierarchical representation of data. */
+public interface HierarchicalPart<T> extends ColumnsPart<T, T> {
+	List<T> getChildren(T parent);
+
+	String getText(T model);
+
+	default CmsIcon getIcon(T model) {
+		return null;
+	}
 
 }