--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 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
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.db.layer0.adapter.impl;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+import java.util.Collections;\r
+import java.util.HashSet;\r
+import java.util.Map;\r
+import java.util.Set;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.adapter.PasteHandlerAdapter;\r
+import org.simantics.db.layer0.internal.SimanticsInternal;\r
+import org.simantics.db.layer0.util.ClipboardUtils;\r
+import org.simantics.db.layer0.util.ModelTransferableGraphSource;\r
+import org.simantics.db.layer0.util.PasteEventHandler;\r
+import org.simantics.db.layer0.util.RemoverUtil;\r
+import org.simantics.db.layer0.util.SimanticsClipboard;\r
+import org.simantics.db.layer0.util.SimanticsClipboard.Representation;\r
+import org.simantics.db.layer0.util.SimanticsKeys;\r
+import org.simantics.db.layer0.util.TransferableGraphConfiguration2.RootSpec;\r
+import org.simantics.graph.db.IImportAdvisor;\r
+import org.simantics.graph.db.IImportAdvisor2;\r
+import org.simantics.graph.db.IImportAdvisor2.RootInfo;\r
+import org.simantics.graph.db.TransferableGraphException;\r
+import org.simantics.graph.db.TransferableGraphSource;\r
+import org.simantics.graph.db.TransferableGraphs;\r
+import org.simantics.graph.representation.Identity;\r
+import org.simantics.graph.representation.Root;\r
+import org.simantics.graph.representation.TransferableGraph1;\r
+import org.simantics.graph.representation.TransferableGraphUtils;\r
+import org.simantics.layer0.Layer0;\r
+\r
+public class DefaultPasteHandler extends PasteHandlerAdapter {\r
+\r
+ protected Resource resource;\r
+\r
+ public DefaultPasteHandler(Resource resource) {\r
+ this.resource = resource;\r
+ }\r
+\r
+ public static void defaultExecute(TransferableGraph1 tg, Resource resource, IImportAdvisor advisor) throws DatabaseException, TransferableGraphException {\r
+ TransferableGraphs.importGraph1(SimanticsInternal.getSession(), tg, advisor);\r
+ }\r
+\r
+ public static void defaultExecute(WriteGraph graph, TransferableGraph1 tg, Resource resource, IImportAdvisor advisor) throws DatabaseException {\r
+ TransferableGraphs.importGraph1(graph, tg, advisor);\r
+ }\r
+\r
+ public void execute(WriteGraph graph, TransferableGraph1 tg, Resource resource, IImportAdvisor advisor) throws DatabaseException {\r
+ defaultExecute(graph, tg, resource, advisor);\r
+ }\r
+\r
+ /**\r
+ * Override this in your inherited class if post processing is done.\r
+ */\r
+ public void onPasteBegin(WriteGraph graph) throws DatabaseException {\r
+ }\r
+\r
+ /**\r
+ * Override this in your inherited class if post processing is done\r
+ * advisor.getTarget() returns an object under which data is copied\r
+ * advisor.getRoot() returns the object which have been pasted.\r
+ * @param representations TODO\r
+ */\r
+ public void onPaste(WriteGraph graph, IImportAdvisor2 advisor, Set<Representation> representations) throws DatabaseException {\r
+ }\r
+\r
+ /**\r
+ * Override this in your inherited class if post processing is done.\r
+ */\r
+ public void onPasteEnd(WriteGraph graph) throws DatabaseException {\r
+ }\r
+ \r
+ public IImportAdvisor2 getAdvisor(ReadGraph graph, TransferableGraph1 tg, Resource target, PasteEventHandler handler) throws DatabaseException {\r
+ \r
+ Collection<Identity> roots = TransferableGraphUtils.getRoots(tg);\r
+ if(roots.size() == 1) {\r
+ Root root = (Root)roots.iterator().next().definition;\r
+ Resource type = graph.getPossibleResource(root.type);\r
+ ImportAdvisorFactory factory = graph.getPossibleAdapter(type, ImportAdvisorFactory.class);\r
+ if(factory != null) {\r
+ if(handler != null)\r
+ return handler.createAdvisor(graph, factory, target);\r
+ else\r
+ return factory.create(graph, target, Collections.<String,Object>emptyMap());\r
+ }\r
+ }\r
+\r
+ return new DefaultPasteImportAdvisor(target);\r
+ }\r
+\r
+ public Collection<Resource> pasteObject(WriteGraph graph, Set<Representation> object, PasteEventHandler handler) throws DatabaseException {\r
+ Collection<Resource> result = new ArrayList<>();\r
+ TransferableGraphSource tgs = ClipboardUtils.accept(graph, object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH_SOURCE);\r
+ if (tgs != null) {\r
+ TransferableGraph1 tg = TransferableGraphs.create(graph, tgs);\r
+ IImportAdvisor2 advisor = getAdvisor(graph, tg, resource, handler); \r
+ execute(graph, tg, resource, advisor);\r
+ Collection<RootInfo> roots = advisor.getRootInfo();\r
+ if(handler != null) {\r
+ for(RootInfo r : roots) handler.postProcess(graph, r.resource);\r
+ }\r
+ onPaste(graph, advisor, object);\r
+ if(tgs instanceof ModelTransferableGraphSource) {\r
+ \r
+ ModelTransferableGraphSource mtgs = (ModelTransferableGraphSource)tgs;\r
+ \r
+ loop: for(RootSpec spec : mtgs.getConfiguration().roots) {\r
+ if(!spec.internal) continue;\r
+ for(RootInfo info : roots) {\r
+ if(spec.name.equals(info.root.name)) {\r
+ result.add(info.resource);\r
+ continue loop;\r
+ }\r
+ }\r
+ // Fallback\r
+ result.clear();\r
+ result.addAll(advisor.getRoots());\r
+ break;\r
+ }\r
+ \r
+ } else {\r
+ result.addAll(advisor.getRoots());\r
+ }\r
+ }\r
+ return result;\r
+ }\r
+\r
+ @Override\r
+ public Collection<Resource> pasteFromClipboard(WriteGraph graph, SimanticsClipboard clipboard, PasteEventHandler handler) throws DatabaseException {\r
+ \r
+ Collection<Resource> result = new ArrayList<>();\r
+ \r
+ Map<String,Object> hints = Collections.singletonMap(ClipboardUtils.HINT_TARGET_RESOURCE, resource);\r
+ \r
+ onPasteBegin(graph);\r
+\r
+ final Set<Resource> cuts = new HashSet<>();\r
+ for(Set<Representation> object : clipboard.getContents()) {\r
+ Collection<Resource> cut = ClipboardUtils.accept(object, SimanticsKeys.KEY_CUT_RESOURCES);\r
+ TransferableGraphSource tg = ClipboardUtils.accept(graph, object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH_SOURCE, hints);\r
+ if(tg != null) {\r
+ result.addAll(pasteObject(graph, object, handler));\r
+ if (cut != null)\r
+ cuts.addAll(cut);\r
+ } else {\r
+ Layer0 L0 = Layer0.getInstance(graph);\r
+ for(Resource r : cut) {\r
+ graph.deny(r, L0.PartOf);\r
+ graph.claim(resource, L0.ConsistsOf, L0.PartOf, r);\r
+ result.add(r);\r
+ }\r
+ }\r
+ }\r
+\r
+ onPasteEnd(graph);\r
+\r
+ if(!cuts.isEmpty()) {\r
+ for (Resource cut : cuts)\r
+ RemoverUtil.remove(graph, cut);\r
+ }\r
+ \r
+ return result;\r
+ \r
+ }\r
+\r
+ @SuppressWarnings("rawtypes")\r
+ @Override\r
+ public Object getAdapter(Class adapter) {\r
+ if(Resource.class == adapter) return resource;\r
+ return null;\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff