1 package org.simantics.district.network.ui.contributions;
3 import java.util.Collection;
4 import java.util.HashMap;
5 import java.util.HashSet;
8 import java.util.concurrent.CompletableFuture;
9 import java.util.concurrent.ExecutionException;
11 import javax.inject.Named;
13 import org.eclipse.core.runtime.IProgressMonitor;
14 import org.eclipse.core.runtime.IStatus;
15 import org.eclipse.core.runtime.Status;
16 import org.eclipse.core.runtime.jobs.Job;
17 import org.eclipse.e4.core.di.annotations.CanExecute;
18 import org.eclipse.e4.core.di.annotations.Execute;
19 import org.eclipse.e4.ui.services.IServiceConstants;
20 import org.eclipse.jface.dialogs.Dialog;
21 import org.eclipse.jface.layout.GridDataFactory;
22 import org.eclipse.jface.viewers.ISelection;
23 import org.eclipse.swt.SWT;
24 import org.eclipse.swt.layout.GridData;
25 import org.eclipse.swt.layout.GridLayout;
26 import org.eclipse.swt.widgets.Combo;
27 import org.eclipse.swt.widgets.Composite;
28 import org.eclipse.swt.widgets.Control;
29 import org.eclipse.swt.widgets.Group;
30 import org.eclipse.swt.widgets.Label;
31 import org.eclipse.swt.widgets.Shell;
32 import org.eclipse.ui.dialogs.SelectionStatusDialog;
33 import org.eclipse.ui.progress.UIJob;
34 import org.simantics.DatabaseJob;
35 import org.simantics.Simantics;
36 import org.simantics.db.ReadGraph;
37 import org.simantics.db.Resource;
38 import org.simantics.db.WriteGraph;
39 import org.simantics.db.common.NamedResource;
40 import org.simantics.db.common.request.IndexRoot;
41 import org.simantics.db.common.request.ReadRequest;
42 import org.simantics.db.common.request.UniqueRead;
43 import org.simantics.db.common.request.WriteRequest;
44 import org.simantics.db.common.utils.NameUtils;
45 import org.simantics.db.exception.DatabaseException;
46 import org.simantics.db.exception.ServiceException;
47 import org.simantics.db.exception.ValidationException;
48 import org.simantics.db.layer0.SelectionHints;
49 import org.simantics.db.procedure.Procedure;
50 import org.simantics.district.network.ontology.DistrictNetworkResource;
51 import org.simantics.district.network.ui.function.Functions;
52 import org.simantics.district.network.ui.internal.Activator;
53 import org.simantics.utils.ui.ISelectionUtils;
54 import org.slf4j.Logger;
55 import org.slf4j.LoggerFactory;
57 public class ChangeMappingTypeHandler {
59 private static final Logger LOGGER = LoggerFactory.getLogger(ChangeMappingTypeHandler.class);
62 public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
63 // List<Resource> elements = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
64 // if (elements.size() < 1)
67 // return Simantics.getSession().syncRequest(new Read<Boolean>() {
70 // public Boolean perform(ReadGraph graph) throws DatabaseException {
71 // Layer0 L0 = Layer0.getInstance(graph);
72 // Resource instanceOf = null;
73 // for (Resource element : elements) {
74 // if (instanceOf == null) {
75 // instanceOf = graph.getSingleObject(element, L0.InstanceOf);
77 // Resource currentInstanceOf = graph.getSingleObject(element, L0.InstanceOf);
78 // if (!currentInstanceOf.equals(instanceOf)) {
86 // } catch (DatabaseException e) {
87 // e.printStackTrace();
94 public void execute(@Named(IServiceConstants.ACTIVE_SELECTION) Object selection) {
95 final List<Resource> elements = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
96 // if (elements.size() < 1)
99 CompletableFuture<Map<NamedResource, Collection<NamedResource>>> result = new CompletableFuture<>();
100 Simantics.getSession().asyncRequest(new UniqueRead<Map<NamedResource, Collection<NamedResource>>>() {
103 public Map<NamedResource, Collection<NamedResource>> perform(ReadGraph graph) throws DatabaseException {
104 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
106 Map<NamedResource, Collection<NamedResource>> currents = new HashMap<>();
107 for (Resource element : elements) {
108 Resource currentMapping = graph.getPossibleObject(element, DN.HasMapping);
109 NamedResource mapping = new NamedResource(NameUtils.getSafeName(graph, currentMapping), currentMapping);
110 currents.compute(mapping, (t, u) -> {
114 u.add(new NamedResource(NameUtils.getSafeName(graph, element), element));
115 } catch (ValidationException | ServiceException e) {
116 LOGGER.error("Could not compute name for {}", element, e);
123 }, new Procedure<Map<NamedResource, Collection<NamedResource>>>() {
126 public void execute(Map<NamedResource, Collection<NamedResource>> results) {
127 result.complete(results);
131 public void exception(Throwable t) {
132 LOGGER.error("Could not compute mappings for selection {}", elements, t);
133 result.completeExceptionally(t);
137 UIJob uiJob = new UIJob("Change mappings..") {
140 public IStatus runInUIThread(IProgressMonitor monitor) {
141 SelectMappingDialog dialog = new SelectMappingDialog(getDisplay().getActiveShell(), result);
142 if (dialog.open() != Dialog.OK)
143 return Status.OK_STATUS;
145 Map<Resource, Collection<NamedResource>> results = dialog.getResults();
146 Job job = new DatabaseJob("Join selected vertices") {
149 protected IStatus run(IProgressMonitor monitor) {
151 Simantics.getSession().syncRequest(new WriteRequest() {
154 public void perform(WriteGraph graph) throws DatabaseException {
155 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
157 for (Map.Entry<Resource, Collection<NamedResource>> entry : results.entrySet()) {
158 Resource newMapping = entry.getKey();
159 Collection<NamedResource> elements = entry.getValue();
160 for (NamedResource element : elements) {
161 graph.deny(element.getResource(), DN.HasMapping);
162 graph.claim(element.getResource(), DN.HasMapping, newMapping);
167 } catch (DatabaseException e) {
168 return new Status(IStatus.ERROR, Activator.PLUGIN_ID, getName() + " failed.", e);
170 return Status.OK_STATUS;
175 return Status.OK_STATUS;
182 private static class SelectMappingDialog extends SelectionStatusDialog {
184 private Map<NamedResource, Combo> mappingCombos = new HashMap<>();
186 private Composite composite;
188 private CompletableFuture<Map<NamedResource, Collection<NamedResource>>> elements;
190 private Map<NamedResource, Map<String, Resource>> possibleMappings = new HashMap<>();
192 private Resource defaultVertexMapping;
194 protected SelectMappingDialog(Shell parentShell, CompletableFuture<Map<NamedResource, Collection<NamedResource>>> elements) {
196 this.elements = elements;
197 setTitle("Change mappings");
200 public Resource getDefaultVertexMapping() {
201 return defaultVertexMapping;
205 protected Control createDialogArea(Composite parent) {
206 composite = (Composite) super.createDialogArea(parent);
208 createMappingsGroup(composite);
210 // compute default values
211 Simantics.getSession().asyncRequest(new ReadRequest() {
214 public void run(ReadGraph graph) throws DatabaseException {
215 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
217 for (Map.Entry<NamedResource, Collection<NamedResource>> entry : elements.get().entrySet()) {
218 NamedResource currentMapping = entry.getKey();
219 Resource resource = entry.getValue().iterator().next().getResource();
220 Resource indexRoot = graph.sync(new IndexRoot(resource));
221 if (graph.isInstanceOf(currentMapping.getResource(), DN.Mapping_VertexMapping)) {
222 possibleMappings.put(currentMapping, Functions.getVertexMappings(graph, indexRoot));
223 } else if (graph.isInstanceOf(currentMapping.getResource(), DN.Mapping_EdgeMapping)) {
224 possibleMappings.put(currentMapping, Functions.getEdgeMappings(graph, indexRoot));
227 } catch (InterruptedException | ExecutionException e) {
230 composite.getDisplay().asyncExec(() -> {
231 for (Map.Entry<NamedResource, Map<String, Resource>> entry : possibleMappings.entrySet()) {
232 NamedResource key = entry.getKey();
233 Map<String, Resource> value = entry.getValue();
234 Combo combo = mappingCombos.get(key);
235 combo.setItems(value.keySet().toArray(new String[value.size()]));
244 private Map<Resource, Collection<NamedResource>> results = new HashMap<>();
247 protected void computeResult() {
248 for (Map.Entry<NamedResource, Combo> combos : mappingCombos.entrySet()) {
249 NamedResource resource = combos.getKey();
250 Combo c = combos.getValue();
251 String item = c.getItem(c.getSelectionIndex());
253 Map<String, Resource> map = possibleMappings.get(resource);
254 Resource newMapping = map.get(item);
255 results.compute(newMapping, (t, u) -> {
265 public Map<Resource, Collection<NamedResource>> getResults() {
269 private void createMappingsGroup(Composite parent) {
271 for (Map.Entry<NamedResource, Collection<NamedResource>> entry : elements.get().entrySet()) {
273 NamedResource currentMapping = entry.getKey();
275 Collection<NamedResource> mappedElements = entry.getValue();
277 Group group= new Group(parent, SWT.NONE);
278 group.setFont(parent.getFont());
279 group.setText(currentMapping.getName() + " currently mapped to " + mappedElements.size() + " elements");
280 GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
281 group.setLayout(new GridLayout(1, false));
283 Composite cmposite = new Composite(group, SWT.NONE);
284 cmposite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
285 cmposite.setLayout(new GridLayout(2, false));
287 Label vertexMappingLabel = new Label(cmposite, SWT.NONE);
288 vertexMappingLabel.setText("New mapping type");
290 Combo c = new Combo(cmposite, SWT.READ_ONLY | SWT.BORDER);
291 GridDataFactory.fillDefaults().grab(true, false).applyTo(c);
292 mappingCombos.put(entry.getKey(), c);
294 } catch (InterruptedException | ExecutionException e) {