Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.common / src / org / simantics / browsing / ui / common / actions / CollapseSelected.java

diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/actions/CollapseSelected.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/actions/CollapseSelected.java
new file mode 100644 (file)
index 0000000..9cad767
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/actions/CollapseSelected.java
@@ -0,0 +1,43 @@
+/*******************************************************************************\r
+ * Copyright (c) 2016 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     Semantum Oy - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.browsing.ui.common.actions;\r
+\r
+import java.util.Set;\r
+\r
+import org.eclipse.core.commands.AbstractHandler;\r
+import org.eclipse.core.commands.ExecutionEvent;\r
+import org.eclipse.core.commands.ExecutionException;\r
+import org.eclipse.ui.handlers.HandlerUtil;\r
+import org.simantics.browsing.ui.GraphExplorer;\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.common.NodeContextUtil;\r
+import org.simantics.utils.ui.ISelectionUtils;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ * @since 1.24.0\r
+ */\r
+public class CollapseSelected extends AbstractHandler {\r
+\r
+    @Override\r
+    public Object execute(ExecutionEvent event) throws ExecutionException {\r
+        GraphExplorer explorer = HandlerUtil.getActivePart(event).getAdapter(GraphExplorer.class);\r
+        if (explorer == null)\r
+            return null;\r
+        Set<NodeContext> nodes = ISelectionUtils.filterSetSelection(HandlerUtil.getCurrentSelection(event), NodeContext.class);\r
+        if (nodes.isEmpty())\r
+            return null;\r
+        NodeContextUtil.collapseNodesUnder(explorer, nodes);\r
+        return null;\r
+    }\r
+\r
+}\r