1 /*******************************************************************************
2 * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.charts.ui;
14 import java.util.ArrayList;
15 import java.util.Collection;
16 import java.util.Collections;
17 import java.util.HashSet;
18 import java.util.List;
21 import org.simantics.Simantics;
22 import org.simantics.charts.ontology.ChartResource;
23 import org.simantics.databoard.util.ObjectUtils;
24 import org.simantics.db.ReadGraph;
25 import org.simantics.db.Resource;
26 import org.simantics.db.WriteGraph;
27 import org.simantics.db.common.CommentMetadata;
28 import org.simantics.db.common.request.WriteRequest;
29 import org.simantics.db.common.request.WriteResultRequest;
30 import org.simantics.db.common.utils.NameUtils;
31 import org.simantics.db.exception.DatabaseException;
32 import org.simantics.db.layer0.SelectionHints;
33 import org.simantics.db.layer0.adapter.DropActionFactory;
34 import org.simantics.db.layer0.adapter.impl.DefaultPasteImportAdvisor;
35 import org.simantics.db.layer0.request.PossibleModel;
36 import org.simantics.db.layer0.util.ClipboardUtils;
37 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
38 import org.simantics.db.layer0.util.SimanticsKeys;
39 import org.simantics.graph.db.TransferableGraphs;
40 import org.simantics.graph.representation.TransferableGraph1;
41 import org.simantics.layer0.Layer0;
42 import org.simantics.utils.datastructures.Callback;
43 import org.simantics.utils.ui.ErrorLogger;
44 import org.simantics.utils.ui.ISelectionUtils;
45 import org.simantics.utils.ui.dialogs.ShowError;
48 * @author Tuukka Lehtonen
50 public class ChartGroupDropActionFactory implements DropActionFactory {
53 public Runnable create(ReadGraph graph, Object target, Object source, int operation) throws DatabaseException {
54 final Resource chartGroup = ISelectionUtils.getSinglePossibleKey(target, SelectionHints.KEY_MAIN,
56 if (chartGroup == null)
58 Resource targetModel = graph.syncRequest(new PossibleModel(chartGroup));
59 if (targetModel == null)
62 List<Resource> srcs = ISelectionUtils.getPossibleKeys(source, SelectionHints.KEY_MAIN, Resource.class);
63 Layer0 L0 = Layer0.getInstance(graph);
64 ChartResource CHART = ChartResource.getInstance(graph);
65 Set<Resource> chartsToMove= new HashSet<Resource>();
66 for (Resource res : srcs) {
67 if (graph.isInstanceOf(res, CHART.Chart)) {
68 Resource model = graph.syncRequest(new PossibleModel(res));
69 if (ObjectUtils.objectEquals(targetModel, model)) {
70 Resource partOf = graph.getPossibleObject(res, L0.PartOf);
71 if (!ObjectUtils.objectEquals(chartGroup, partOf)) {
72 chartsToMove.add(res);
77 if (!chartsToMove.isEmpty()) {
78 String error = validateDrop(graph, chartGroup, chartsToMove);
80 ShowError.showError("Chart Drop Failed", error, (Exception) null);
83 // TODO: support for move & copy
84 return moveCharts(chartGroup, chartsToMove);
90 public static String validateDrop(ReadGraph graph, Resource chartGroup, Set<Resource> chartsToMove) throws DatabaseException {
91 StringBuilder sb = new StringBuilder();
92 String targetName = NameUtils.getSafeName(graph, chartGroup);
93 Layer0 L0 = Layer0.getInstance(graph);
94 // Verify that target doesn't contain charts names as in chartsToMove
95 Set<String> sourceNames = new HashSet<String>();
96 for (Resource chart : chartsToMove) {
97 String chartName = NameUtils.getSafeName(graph, chart);
98 if (!sourceNames.add(chartName)) {
99 sb.append("Multiple charts with same '" + chartName + "' cannot be moved into the same chart group.\n");
102 Set<String> reservedNames = NameUtils.findReservedNames(graph, "", chartGroup, L0.ConsistsOf);
103 for (String sourceName : sourceNames) {
104 if (reservedNames.contains(sourceName)) {
105 sb.append("Name '" + sourceName + "' already in use in target '" + targetName + "'.\n");
109 return (sb.length() == 0) ? null : sb.toString();
112 public static Runnable moveCharts(final Resource chartGroup, final Set<Resource> chartsToMove) {
113 return new Runnable() {
116 Simantics.getSession().asyncRequest(new WriteRequest() {
119 public void perform(WriteGraph graph)
120 throws DatabaseException {
121 graph.syncRequest(moveChartsRequest(chartGroup, chartsToMove));
123 }, new Callback<DatabaseException>() {
125 public void run(DatabaseException e) {
127 ErrorLogger.defaultLogError(e);
134 public static MoveCharts moveChartsRequest(Resource chartGroup, Set<Resource> chartsToMove) {
135 return new MoveCharts(chartGroup, chartsToMove);
138 public static class MoveCharts extends WriteResultRequest<Collection<Resource>> {
139 private Resource chartGroup;
140 private Set<Resource> chartsToMove;
142 public MoveCharts(Resource chartGroup, Set<Resource> chartsToMove) {
143 this.chartGroup = chartGroup;
144 this.chartsToMove = chartsToMove;
147 public Collection<Resource> perform(WriteGraph graph) throws DatabaseException {
148 if (chartsToMove.isEmpty())
149 return Collections.emptyList();
150 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
151 String targetName = NameUtils.getSafeName(graph, chartGroup);
152 Layer0 L0 = Layer0.getInstance(graph);
153 List<Resource> result = new ArrayList<Resource>();
154 for (Resource chart : chartsToMove) {
155 graph.deny(chart, L0.PartOf);
156 graph.claim(chartGroup, L0.ConsistsOf, chart);
157 cm.add("Moved chart '" + NameUtils.getSafeLabel(graph, chart) + "' to chart group '" + targetName + "'");
160 graph.addMetadata(cm);
165 public static CopyCharts copyChartsRequest(Resource chartGroup, Set<Set<Representation>> sources) {
166 return new CopyCharts(chartGroup, sources);
169 public static class CopyCharts extends WriteResultRequest<Collection<Resource>> {
170 private Resource chartGroup;
171 private Set<Set<Representation>> sources;
173 public CopyCharts(Resource chartGroup, Set<Set<Representation>> sources) {
174 this.chartGroup = chartGroup;
175 this.sources = sources;
178 public Collection<Resource> perform(WriteGraph graph) throws DatabaseException {
179 if (sources.isEmpty())
180 return Collections.emptyList();
181 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
182 String targetName = NameUtils.getSafeName(graph, chartGroup);
183 List<Resource> result = new ArrayList<Resource>();
184 for (Set<Representation> r : sources) {
185 Collection<Resource> srcs = ClipboardUtils.accept(graph, r, SimanticsKeys.KEY_COPY_RESOURCES);
186 for(Resource src : srcs) {
187 TransferableGraph1 tg = ClipboardUtils.accept(graph, r, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
188 DefaultPasteImportAdvisor advisor = new DefaultPasteImportAdvisor(chartGroup);
189 TransferableGraphs.importGraph1(graph, tg, advisor);
190 cm.add("Copied chart '" + NameUtils.getSafeLabel(graph, src) + "' to chart group '" + targetName + "'");
191 result.addAll(advisor.getRoots());
194 graph.addMetadata(cm);