+package org.simantics.document.ui.actions;\r
+\r
+import java.io.IOException;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.adapter.ActionFactory;\r
+import org.simantics.document.DocumentResource;\r
+import org.simantics.graphfile.util.GraphFileUtil;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.ui.SimanticsUI;\r
+\r
+public class NewFileDocument implements ActionFactory {\r
+ Resource relation;\r
+ String defaultName;\r
+ \r
+ public NewFileDocument(ReadGraph graph, String relationUri, String defaultName) throws DatabaseException {\r
+ relation = graph.getResource(relationUri);\r
+ this.defaultName = defaultName;\r
+ }\r
+ \r
+ @Override\r
+ public Runnable create(Object target) {\r
+\r
+ if(!(target instanceof Resource))\r
+ return null;\r
+\r
+ final Resource resource = (Resource)target;\r
+\r
+ return new Runnable() {\r
+ @Override\r
+ public void run() {\r
+ SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
+ \r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ graph.markUndoPoint();\r
+ \r
+ Layer0 l0 = Layer0.getInstance(graph);\r
+\r
+ String name = NameUtils.findFreshName(graph, defaultName, resource, relation);\r
+ DocumentResource doc = DocumentResource.getInstance(graph);\r
+ \r
+ Resource fileResource = graph.newResource();\r
+ graph.claim(fileResource, l0.InstanceOf, doc.FileDocument);\r
+ graph.claimLiteral(fileResource, l0.HasName, name);\r
+ graph.claim(resource, relation, fileResource);\r
+ try {\r
+ GraphFileUtil.writeDataToGraph(graph, new byte[0], fileResource);\r
+ } catch (IOException e) {\r
+ throw new DatabaseException(e);\r
+ }\r
+ }\r
+ \r
+ });\r
+ }\r
+ };\r
+ }\r
+}\r