ListViewImpl.patch

diff --git a/magnolia-ui-workbench/src/main/java/info/magnolia/ui/workbench/list/ListViewImpl.java b/magnolia-ui-workbench/src/main/java/info/magnolia/ui/workbench/list/ListViewImpl.java
index e2356a7..f392d7c 100644
--- a/magnolia-ui-workbench/src/main/java/info/magnolia/ui/workbench/list/ListViewImpl.java
+++ b/magnolia-ui-workbench/src/main/java/info/magnolia/ui/workbench/list/ListViewImpl.java
@@ -29,11 +29,12 @@
  *
  * Any modifications to this file must keep this entire header
  * intact.
- *
  */
 package info.magnolia.ui.workbench.list;
 
 import info.magnolia.ui.vaadin.grid.MagnoliaTable;
+import info.magnolia.ui.vaadin.integration.jcr.AbstractJcrNodeAdapter;
+import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
 import info.magnolia.ui.workbench.ContentView;
 import info.magnolia.ui.workbench.column.definition.ColumnFormatter;
 
@@ -44,6 +45,10 @@ import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
 
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+
+import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -87,23 +92,12 @@ public class ListViewImpl implements ListView {
         table.setColumnReorderingAllowed(false);
         table.setSortEnabled(true);
 
-        table.setCellStyleGenerator(new Table.CellStyleGenerator() {
-
-
-            @Override
-            public String getStyle(Table source, Object itemId, Object propertyId) {
-                // icon style is expected on the whole table row, not on a column matching a specific propertyId
-                if (propertyId == null && itemId != null) {
-                    final Item item = source.getContainerDataSource().getItem(itemId);
-                    if (item == null) {
-                        return DELETED_ROW_STYLENAME;
-                    } else {
-                        return listener.getIcon(item);
-                    }
-                }
-                return null;
-            }
-        });
+        table.setCellStyleGenerator(new AggregateCellStyleGenerator(
+                // Default style generators
+                new DeletedRowStyleGenerator(),
+                // Custom style generators (i.e. could be configured)
+                new DummyCellStyleGenerator()
+        ));
 
         // this one was re-added since the check-all worked for tree only but nor for list- and search-view, see MGNLUI-1958
         // TODO fgrilli: a workaround for MGNLUI-1651
@@ -262,4 +256,62 @@ public class ListViewImpl implements ListView {
         }
     }
 
+    private static class AggregateCellStyleGenerator implements Table.CellStyleGenerator {
+        private final Table.CellStyleGenerator[] styleGenerators;
+
+        public AggregateCellStyleGenerator(Table.CellStyleGenerator... styleGenerators) {
+            this.styleGenerators = styleGenerators;
+        }
+
+        @Override
+        public String getStyle(Table source, Object itemId, Object propertyId) {
+            final List<String> result = new ArrayList<>();
+            for (Table.CellStyleGenerator styleGenerator : styleGenerators) {
+                final String style = styleGenerator.getStyle(source, itemId, propertyId);
+                if (style != null && !style.equals("")) {
+                    result.add(style);
+                }
+            }
+            return StringUtils.join(result, ' ');
+        }
+    }
+
+    private class DeletedRowStyleGenerator implements Table.CellStyleGenerator {
+
+        @Override
+        public String getStyle(Table source, Object itemId, Object propertyId) {
+            // icon style is expected on the whole table row, not on a column matching a specific propertyId
+            if (propertyId == null && itemId != null) {
+                final Item item = source.getContainerDataSource().getItem(itemId);
+                if (item == null) {
+                    return DELETED_ROW_STYLENAME;
+                } else {
+                    return listener.getIcon(item);
+                }
+            }
+            return null;
+        }
+    }
+
+    private static class DummyCellStyleGenerator implements Table.CellStyleGenerator {
+        @Override
+        public String getStyle(Table source, Object itemId, Object propertyId) {
+            // if propertyId is null, we're generating style for a row
+            if (propertyId != null) {
+                return null;
+            }
+            final Item item = source.getContainerDataSource().getItem(itemId);
+            if (item instanceof JcrNodeAdapter) {
+                Node node = ((AbstractJcrNodeAdapter) item).getJcrItem();
+                try {
+                    if (node.getName().contains("hello")) {
+                        return "icon-pulse icon-favorites";
+                    }
+                } catch (RepositoryException e) {
+                    throw new RuntimeException(e); // TODO
+                }
+            }
+            return null;
+        }
+    }
 }