Made wildcards internally consistent in ListView

gistfile1.diff

diff --git a/wicket-core/src/main/java/org/apache/wicket/markup/html/list/ListView.java b/wicket-core/src/main/java/org/apache/wicket/markup/html/list/ListView.java
index 57f9d84..d1bdd39 100644
--- a/wicket-core/src/main/java/org/apache/wicket/markup/html/list/ListView.java
+++ b/wicket-core/src/main/java/org/apache/wicket/markup/html/list/ListView.java
@@ -442,7 +442,7 @@ public abstract class ListView<T> extends AbstractRepeater
         *            The list item index
         * @return The ListItemModel created
         */
-       protected IModel<T> getListItemModel(final IModel<? extends List<T>> listViewModel,
+       protected IModel<? extends T> getListItemModel(final IModel<? extends List<? extends T>> listViewModel,
                final int index)
        {
                return new ListItemModel<>(this, index);
@@ -456,7 +456,7 @@ public abstract class ListView<T> extends AbstractRepeater
         *            object in the list that the item represents
         * @return ListItem
         */
-       protected ListItem<T> newItem(final int index, IModel<T> itemModel)
+       protected ListItem<? extends T> newItem(final int index, IModel<? extends T> itemModel)
        {
                return new ListItem<>(index, itemModel);
        }
@@ -504,7 +504,7 @@ public abstract class ListView<T> extends AbstractRepeater
                                // Get index
                                final int index = firstIndex + i;
 
-                               ListItem<T> item = null;
+                               ListItem<? extends T> item = null;
                                if (hasChildren)
                                {
                                        // If this component does not already exist, populate it
@@ -538,7 +538,7 @@ public abstract class ListView<T> extends AbstractRepeater
         * 
         * @param item
         */
-       protected void onBeginPopulateItem(final ListItem<T> item)
+       protected void onBeginPopulateItem(final ListItem<? extends T> item)
        {
        }
 
@@ -562,7 +562,7 @@ public abstract class ListView<T> extends AbstractRepeater
         * @param item
         *            The item to populate
         */
-       protected abstract void populateItem(final ListItem<T> item);
+       protected abstract void populateItem(final ListItem<? extends T> item);
 
        /**
         * @see org.apache.wicket.markup.repeater.AbstractRepeater#renderChild(org.apache.wicket.Component)