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Posted to commits@isis.apache.org by da...@apache.org on 2016/03/03 20:47:06 UTC

[13/50] [abbrv] isis git commit: ISIS-993: guard against invisible actions corresponding to null links.

ISIS-993: guard against invisible actions corresponding to null links.


Project: http://git-wip-us.apache.org/repos/asf/isis/repo
Commit: http://git-wip-us.apache.org/repos/asf/isis/commit/bbd593bc
Tree: http://git-wip-us.apache.org/repos/asf/isis/tree/bbd593bc
Diff: http://git-wip-us.apache.org/repos/asf/isis/diff/bbd593bc

Branch: refs/heads/master
Commit: bbd593bc10ab486aad16cc7eff6dd3b2e06a0222
Parents: 959d424
Author: Dan Haywood <da...@haywood-associates.co.uk>
Authored: Thu Feb 11 10:08:59 2016 +0000
Committer: Dan Haywood <da...@haywood-associates.co.uk>
Committed: Thu Feb 11 10:08:59 2016 +0000

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 .../entityactions/EntityActionUtil.java         | 24 ++++++++++++++------
 1 file changed, 17 insertions(+), 7 deletions(-)
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http://git-wip-us.apache.org/repos/asf/isis/blob/bbd593bc/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/actionmenu/entityactions/EntityActionUtil.java
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diff --git a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/actionmenu/entityactions/EntityActionUtil.java b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/actionmenu/entityactions/EntityActionUtil.java
index de6e2ca..efa53f6 100644
--- a/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/actionmenu/entityactions/EntityActionUtil.java
+++ b/core/viewer-wicket-ui/src/main/java/org/apache/isis/viewer/wicket/ui/components/actionmenu/entityactions/EntityActionUtil.java
@@ -22,6 +22,8 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 import com.google.common.base.Function;
+import com.google.common.base.Predicates;
+import com.google.common.collect.FluentIterable;
 import com.google.common.collect.Lists;
 import org.apache.wicket.Session;
 import org.apache.isis.applib.annotation.Where;
@@ -107,6 +109,11 @@ public final class EntityActionUtil {
      * Converts an {@link org.apache.isis.viewer.wicket.model.models.EntityModel} and a (subset of its) {@link org.apache.isis.core.metamodel.spec.feature.ObjectAction}s into a
      * list of {@link org.apache.isis.viewer.wicket.model.links.LinkAndLabel}s intended to be apassed
      * to the {@link AdditionalLinksPanel}.
+     *
+     * <p>
+     *     The length of the list returned may smaller than the inbound actions; any null links
+     *     (for invisible actions) will be discarded.
+     * </p>
      */
     public static List<LinkAndLabel> asLinkAndLabelsForAdditionalLinksPanel(
             final EntityModel entityModel,
@@ -116,13 +123,16 @@ public final class EntityActionUtil {
         final ActionLinkFactory linkFactory = new EntityActionLinkFactory(entityModel);
 
         final ObjectAdapterMemento adapterMemento = entityModel.getObjectAdapterMemento();
-        return Lists.transform(actions, new Function<ObjectAction, LinkAndLabel>() {
-
-            @Override
-            public LinkAndLabel apply(ObjectAction objectAction) {
-                return linkFactory.newLink(linkId, adapterMemento, objectAction);
-            }
-        });
+        return FluentIterable.from(actions)
+                .transform(new Function<ObjectAction, LinkAndLabel>() {
+
+                    @Override
+                    public LinkAndLabel apply(ObjectAction objectAction) {
+                        return linkFactory.newLink(linkId, adapterMemento, objectAction);
+                    }
+                })
+                .filter(Predicates.<LinkAndLabel>notNull())
+                .toList();
     }
 
     private static List<ObjectAction> addActions(