1 /*******************************************************************************
\r
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
\r
3 * in Industry THTH ry.
\r
4 * All rights reserved. This program and the accompanying materials
\r
5 * are made available under the terms of the Eclipse Public License v1.0
\r
6 * which accompanies this distribution, and is available at
\r
7 * http://www.eclipse.org/legal/epl-v10.html
\r
10 * VTT Technical Research Centre of Finland - initial API and implementation
\r
11 *******************************************************************************/
\r
12 package org.simantics.db.layer0.util;
\r
14 import java.io.File;
\r
15 import java.io.IOException;
\r
16 import java.util.ArrayList;
\r
17 import java.util.Collection;
\r
18 import java.util.Collections;
\r
19 import java.util.Map;
\r
20 import java.util.Set;
\r
22 import org.simantics.databoard.adapter.AdaptException;
\r
23 import org.simantics.databoard.container.DataContainer;
\r
24 import org.simantics.databoard.container.DataContainers;
\r
25 import org.simantics.db.ReadGraph;
\r
26 import org.simantics.db.RequestProcessor;
\r
27 import org.simantics.db.Resource;
\r
28 import org.simantics.db.common.request.ResourceRead;
\r
29 import org.simantics.db.common.utils.Logger;
\r
30 import org.simantics.db.exception.DatabaseException;
\r
31 import org.simantics.db.layer0.adapter.PasteHandler;
\r
32 import org.simantics.db.layer0.internal.SimanticsInternal;
\r
33 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
\r
34 import org.simantics.db.layer0.variable.Variable;
\r
35 import org.simantics.db.request.Read;
\r
36 import org.simantics.graph.representation.TransferableGraph1;
\r
37 import org.simantics.utils.datastructures.hints.IHintContext.Key;
\r
39 public class ClipboardUtils {
\r
41 public static String HINT_TARGET_RESOURCE = "HINT_TARGET_RESOURCE";
\r
43 public static <T> T accept(Set<Representation> set, Key key) throws DatabaseException {
\r
44 return accept(set, key, Collections.emptyMap());
\r
47 public static <T> T accept(Set<Representation> set, Key key, Map<String,Object> hints) throws DatabaseException {
\r
48 for(Representation r : set) if(r.getKey().equals(key)) return r.getValue(SimanticsInternal.getSession(), hints);
\r
52 public static <T> T accept(RequestProcessor processor, Set<Representation> set, Key key) throws DatabaseException {
\r
53 return accept(processor, set, key, Collections.emptyMap());
\r
56 public static <T> T accept(RequestProcessor processor, Set<Representation> set, Key key, Map<String,Object> hints) throws DatabaseException {
\r
57 for(Representation r : set) if(r.getKey().equals(key)) return r.getValue(processor, hints);
\r
61 public static <T> T accept(ReadGraph graph, Set<Representation> set, Key key) throws DatabaseException {
\r
62 return accept(graph, set, key, Collections.<String, Object>emptyMap());
\r
65 public static <T> T accept(ReadGraph graph, Set<Representation> set, Key key, Map<String,Object> hints) throws DatabaseException {
\r
66 for(Representation r : set) if(r.getKey().equals(key)) return r.getValue(graph, hints);
\r
70 public static <T> T acceptPossible(ReadGraph graph, Key key) throws DatabaseException {
\r
71 return acceptPossible(graph, key, Collections.emptyMap());
\r
74 public static <T> T acceptPossible(ReadGraph graph, Key key, Map<String,Object> hints) throws DatabaseException {
\r
75 Collection<T> results = accept(graph, key, hints);
\r
76 if(results.size() == 1) return results.iterator().next();
\r
80 @SuppressWarnings("unchecked")
\r
81 public static <T> Collection<T> accept(ReadGraph graph, Key key, Map<String,Object> hints) throws DatabaseException {
\r
82 ArrayList<T> result = new ArrayList<T>();
\r
83 for(Set<Representation> rs : SimanticsInternal.getClipboard().getContents()) {
\r
84 for(Representation r : rs) {
\r
85 if(r.getKey().equals(key)) {
\r
86 result.add((T)r.getValue(graph, hints));
\r
94 public static SimanticsClipboard fileClipboard(String fileName) throws IOException {
\r
96 DataContainer container = DataContainers.readFile(new File(fileName));
\r
99 Representation tgRep = new TGRepresentation((TransferableGraph1)container.content.getValue(TransferableGraph1.BINDING));
\r
100 Representation dcRep = new DataContainerRepresentation(container);
\r
101 return SimanticsClipboardImpl.make(dcRep, tgRep);
\r
102 } catch (AdaptException e) {
\r
103 Logger.defaultLogError(e);
\r
104 return SimanticsClipboardImpl.EMPTY;
\r
110 public static Representation createTransferableGraph(Resource ... resources) {
\r
111 return new TGRepresentation(resources);
\r
114 public static Representation createTransferableGraph(TransferableGraphConfiguration2 configuration) {
\r
115 return new TGRepresentation(configuration);
\r
118 public static Representation createTransferableGraph(boolean ignoreVirtualResources, Resource ... resources) {
\r
119 return new TGRepresentation(ignoreVirtualResources, resources);
\r
122 public static Representation createVariable(String uri) {
\r
123 return new VariableRepresentation(uri);
\r
126 public static Representation createVariable(RequestProcessor processor, final Variable var) {
\r
130 return new VariableRepresentation(processor.syncRequest(new Read<String>() {
\r
133 public String perform(ReadGraph graph) throws DatabaseException {
\r
134 return var.getURI(graph);
\r
139 } catch (DatabaseException e) {
\r
140 Logger.defaultLogError(e);
\r
147 public static Representation createCopyResources(final Collection<Resource> resources) {
\r
148 return new ResourceCopyRepresentation(resources);
\r
151 public static Representation createCutResources(final Collection<Resource> resources) {
\r
152 return new ResourceCutRepresentation(resources);
\r
155 public static PasteHandler pasteHandler(Resource resource) throws DatabaseException {
\r
156 return SimanticsInternal.sync(new ResourceRead<PasteHandler>(resource) {
\r
159 public PasteHandler perform(ReadGraph graph) throws DatabaseException {
\r
160 return graph.adapt(resource, PasteHandler.class);
\r