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.ui.ErrorLogger;
43 import org.simantics.utils.ui.ISelectionUtils;
44 import org.simantics.utils.ui.dialogs.ShowError;
47 * @author Tuukka Lehtonen
49 public class ChartGroupDropActionFactory implements DropActionFactory {
52 public Runnable create(ReadGraph graph, Object target, Object source, int operation) throws DatabaseException {
53 final Resource chartGroup = ISelectionUtils.getSinglePossibleKey(target, SelectionHints.KEY_MAIN,
55 if (chartGroup == null)
57 Resource targetModel = graph.syncRequest(new PossibleModel(chartGroup));
58 if (targetModel == null)
61 List<Resource> srcs = ISelectionUtils.getPossibleKeys(source, SelectionHints.KEY_MAIN, Resource.class);
62 Layer0 L0 = Layer0.getInstance(graph);
63 ChartResource CHART = ChartResource.getInstance(graph);
64 Set<Resource> chartsToMove= new HashSet<Resource>();
65 for (Resource res : srcs) {
66 if (graph.isInstanceOf(res, CHART.Chart)) {
67 Resource model = graph.syncRequest(new PossibleModel(res));
68 if (ObjectUtils.objectEquals(targetModel, model)) {
69 Resource partOf = graph.getPossibleObject(res, L0.PartOf);
70 if (!ObjectUtils.objectEquals(chartGroup, partOf)) {
71 chartsToMove.add(res);
76 if (!chartsToMove.isEmpty()) {
77 String error = validateDrop(graph, chartGroup, chartsToMove);
79 ShowError.showError("Chart Drop Failed", error, (Exception) null);
82 // TODO: support for move & copy
83 return moveCharts(chartGroup, chartsToMove);
89 public static String validateDrop(ReadGraph graph, Resource chartGroup, Set<Resource> chartsToMove) throws DatabaseException {
90 StringBuilder sb = new StringBuilder();
91 String targetName = NameUtils.getSafeName(graph, chartGroup);
92 Layer0 L0 = Layer0.getInstance(graph);
93 // Verify that target doesn't contain charts names as in chartsToMove
94 Set<String> sourceNames = new HashSet<String>();
95 for (Resource chart : chartsToMove) {
96 String chartName = NameUtils.getSafeName(graph, chart);
97 if (!sourceNames.add(chartName)) {
98 sb.append("Multiple charts with same '" + chartName + "' cannot be moved into the same chart group.\n");
101 Set<String> reservedNames = NameUtils.findReservedNames(graph, "", chartGroup, L0.ConsistsOf);
102 for (String sourceName : sourceNames) {
103 if (reservedNames.contains(sourceName)) {
104 sb.append("Name '" + sourceName + "' already in use in target '" + targetName + "'.\n");
108 return (sb.length() == 0) ? null : sb.toString();
111 public static Runnable moveCharts(final Resource chartGroup, final Set<Resource> chartsToMove) {
112 return new Runnable() {
115 Simantics.getSession().asyncRequest(new WriteRequest() {
118 public void perform(WriteGraph graph)
119 throws DatabaseException {
120 graph.syncRequest(moveChartsRequest(chartGroup, chartsToMove));
124 ErrorLogger.defaultLogError(e);
130 public static MoveCharts moveChartsRequest(Resource chartGroup, Set<Resource> chartsToMove) {
131 return new MoveCharts(chartGroup, chartsToMove);
134 public static class MoveCharts extends WriteResultRequest<Collection<Resource>> {
135 private Resource chartGroup;
136 private Set<Resource> chartsToMove;
138 public MoveCharts(Resource chartGroup, Set<Resource> chartsToMove) {
139 this.chartGroup = chartGroup;
140 this.chartsToMove = chartsToMove;
143 public Collection<Resource> perform(WriteGraph graph) throws DatabaseException {
144 if (chartsToMove.isEmpty())
145 return Collections.emptyList();
146 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
147 String targetName = NameUtils.getSafeName(graph, chartGroup);
148 Layer0 L0 = Layer0.getInstance(graph);
149 List<Resource> result = new ArrayList<Resource>();
150 for (Resource chart : chartsToMove) {
151 graph.deny(chart, L0.PartOf);
152 graph.claim(chartGroup, L0.ConsistsOf, chart);
153 cm.add("Moved chart '" + NameUtils.getSafeLabel(graph, chart) + "' to chart group '" + targetName + "'");
156 graph.addMetadata(cm);
161 public static CopyCharts copyChartsRequest(Resource chartGroup, Set<Set<Representation>> sources) {
162 return new CopyCharts(chartGroup, sources);
165 public static class CopyCharts extends WriteResultRequest<Collection<Resource>> {
166 private Resource chartGroup;
167 private Set<Set<Representation>> sources;
169 public CopyCharts(Resource chartGroup, Set<Set<Representation>> sources) {
170 this.chartGroup = chartGroup;
171 this.sources = sources;
174 public Collection<Resource> perform(WriteGraph graph) throws DatabaseException {
175 if (sources.isEmpty())
176 return Collections.emptyList();
177 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
178 String targetName = NameUtils.getSafeName(graph, chartGroup);
179 List<Resource> result = new ArrayList<Resource>();
180 for (Set<Representation> r : sources) {
181 Collection<Resource> srcs = ClipboardUtils.accept(graph, r, SimanticsKeys.KEY_COPY_RESOURCES);
182 for(Resource src : srcs) {
183 TransferableGraph1 tg = ClipboardUtils.accept(graph, r, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
184 DefaultPasteImportAdvisor advisor = new DefaultPasteImportAdvisor(chartGroup);
185 TransferableGraphs.importGraph1(graph, tg, advisor);
186 cm.add("Copied chart '" + NameUtils.getSafeLabel(graph, src) + "' to chart group '" + targetName + "'");
187 result.addAll(advisor.getRoots());
190 graph.addMetadata(cm);