From cb6ab1ef93630b8ac07c12c395dee074c22f90aa Mon Sep 17 00:00:00 2001
From: Alexander Diewald <diewald@fortiss.org>
Date: Sun, 9 Aug 2020 17:49:25 +0200
Subject: [PATCH] JFX: Content Provider for Lists/Streams of no-child elements
Issue-Ref: 3541
Issue-Url: https://af3-developer.fortiss.org/issues/3541
Signed-off-by: Alexander Diewald <diewald@fortiss.org>
---
.../ui/javafx/control/treetableview/.ratings | 1 +
.../EmptyChildrenContentProvider.java | 35 +++++++++++++++++++
2 files changed, 36 insertions(+)
create mode 100644 org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/control/treetableview/EmptyChildrenContentProvider.java
diff --git a/org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/control/treetableview/.ratings b/org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/control/treetableview/.ratings
index 8150b614d..1cd3374f4 100644
--- a/org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/control/treetableview/.ratings
+++ b/org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/control/treetableview/.ratings
@@ -9,5 +9,6 @@ DynamicTreeTableViewer.java 129fdcd259e5b7f2528dfeb407676528dcc694be YELLOW
DynamicTreeUIProviderBase.java e9b68607683de279d0cb8712a28dc131c5c33ece GREEN
DynamicTreeViewer.java 8c20c0941bd299afce1cf237c8e29e21821c2631 YELLOW
DynamicTreeViewerBase.java a2013538b62d86f6a09efdf2cd78babac2072484 GREEN
+EmptyChildrenContentProvider.java 51b4468f9df8423abeea5ac6aa2f6cf99c2eb512 YELLOW
IDoubleClickHandler.java 447f7769dead9a106b3ea3139ef0da51eb0b9a89 GREEN
IDynamicItem.java 083d02459e7ec33542d9910c04abe2581e0b5422 YELLOW
diff --git a/org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/control/treetableview/EmptyChildrenContentProvider.java b/org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/control/treetableview/EmptyChildrenContentProvider.java
new file mode 100644
index 000000000..51b4468f9
--- /dev/null
+++ b/org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/control/treetableview/EmptyChildrenContentProvider.java
@@ -0,0 +1,35 @@
+/*-------------------------------------------------------------------------+
+| Copyright 2019 fortiss GmbH |
+| |
+| Licensed under the Apache License, Version 2.0 (the "License"); |
+| you may not use this file except in compliance with the License. |
+| You may obtain a copy of the License at |
+| |
+| http://www.apache.org/licenses/LICENSE-2.0 |
+| |
+| Unless required by applicable law or agreed to in writing, software |
+| distributed under the License is distributed on an "AS IS" BASIS, |
+| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+| See the License for the specific language governing permissions and |
+| limitations under the License. |
++--------------------------------------------------------------------------*/
+package org.fortiss.tooling.common.ui.javafx.control.treetableview;
+
+import static java.util.Collections.emptyList;
+
+import java.util.Collection;
+
+/**
+ * Dummy {@link DynamicListContentProvider} for collections whose elements do not provide further
+ * children.
+ *
+ * @author diewald
+ */
+public class EmptyChildrenContentProvider<T> extends DynamicListContentProvider<T> {
+
+ /** {@inheritDoc} */
+ @Override
+ protected Collection<T> getChildren(T parent) {
+ return emptyList();
+ }
+}
--
GitLab