--- /dev/null
+package org.simantics.district.network.ui.contributions;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.inject.Named;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.e4.core.di.annotations.CanExecute;
+import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.ui.services.IServiceConstants;
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.dialogs.SelectionStatusDialog;
+import org.simantics.DatabaseJob;
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.SelectionHints;
+import org.simantics.db.request.Read;
+import org.simantics.district.network.ontology.DistrictNetworkResource;
+import org.simantics.district.network.ui.function.Functions;
+import org.simantics.district.network.ui.internal.Activator;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.ui.ISelectionUtils;
+
+public class ChangeMappingTypeHandler {
+
+
+ @CanExecute
+ public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
+ List<Resource> elements = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
+ if (elements.size() < 1)
+ return false;
+ try {
+ return Simantics.getSession().syncRequest(new Read<Boolean>() {
+
+ @Override
+ public Boolean perform(ReadGraph graph) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ Resource instanceOf = null;
+ for (Resource element : elements) {
+ if (instanceOf == null) {
+ instanceOf = graph.getSingleObject(element, L0.InstanceOf);
+ } else {
+ Resource currentInstanceOf = graph.getSingleObject(element, L0.InstanceOf);
+ if (!currentInstanceOf.equals(instanceOf)) {
+ return false;
+ }
+ }
+ }
+ return true;
+ }
+ });
+ } catch (DatabaseException e) {
+ e.printStackTrace();
+ return false;
+ }
+ }
+
+ @Execute
+ public void execute(@Named(IServiceConstants.ACTIVE_SELECTION) Object selection) {
+ final List<Resource> elements = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);
+ if (elements.size() < 1)
+ return;
+
+ SelectMappingDialog dialog = new SelectMappingDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), elements);
+ if (dialog.open() != Dialog.OK)
+ return;
+
+ Resource mapping = dialog.getDefaultVertexMapping();
+ Job job = new DatabaseJob("Join selected vertices") {
+
+ @Override
+ protected IStatus run(IProgressMonitor monitor) {
+ try {
+ Simantics.getSession().syncRequest(new WriteRequest() {
+
+ @Override
+ public void perform(WriteGraph graph) throws DatabaseException {
+ DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
+ for (Resource element : elements) {
+ graph.deny(element, DN.HasMapping);
+ graph.claim(element, DN.HasMapping, mapping);
+ }
+ }
+ });
+ } catch (DatabaseException e) {
+ return new Status(IStatus.ERROR, Activator.PLUGIN_ID, getName() + " failed.", e);
+ }
+ return Status.OK_STATUS;
+ }
+ };
+ job.setUser(true);
+ job.schedule();
+ }
+
+ private static class SelectMappingDialog extends SelectionStatusDialog {
+
+ private Combo vertexMappingCombo;
+
+ private Composite composite;
+
+ private List<Resource> elements;
+ private Map<String, Resource> vertexMappings = new HashMap<>();
+
+ private Resource defaultVertexMapping;
+
+ protected SelectMappingDialog(Shell parentShell, List<Resource> elements) {
+ super(parentShell);
+ this.elements = elements;
+ setTitle("Select mappings for new DN diagram");
+ }
+
+ public Resource getDefaultVertexMapping() {
+ return defaultVertexMapping;
+ }
+
+ @Override
+ protected Control createDialogArea(Composite parent) {
+ composite = (Composite) super.createDialogArea(parent);
+
+ createMappingsGroup(composite);
+
+ // compute default values
+ Simantics.getSession().asyncRequest(new ReadRequest() {
+
+ @Override
+ public void run(ReadGraph graph) throws DatabaseException {
+ DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
+ Resource element = elements.get(0);
+ if (graph.isInstanceOf(element, DN.Vertex)) {
+ vertexMappings = Functions.getVertexMappings(graph, element);
+ } else if (graph.isInstanceOf(element, DN.Edge)) {
+ vertexMappings = Functions.getEdgeMappings(graph, element);
+ }
+ composite.getDisplay().asyncExec(() -> {
+ vertexMappingCombo.setItems(vertexMappings.keySet().toArray(new String[vertexMappings.size()]));
+ vertexMappingCombo.select(0);
+ });
+
+ }
+ });
+ return composite;
+ }
+
+ @Override
+ protected void computeResult() {
+ defaultVertexMapping = vertexMappings.get(vertexMappingCombo.getItem(vertexMappingCombo.getSelectionIndex()));
+ }
+
+ private void createMappingsGroup(Composite parent) {
+ Group group= new Group(parent, SWT.NONE);
+ group.setFont(parent.getFont());
+ group.setText("Default mappings");
+ GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
+ group.setLayout(new GridLayout(1, false));
+
+ Composite cmposite = new Composite(group, SWT.NONE);
+ cmposite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
+ cmposite.setLayout(new GridLayout(2, false));
+
+ Label vertexMappingLabel = new Label(cmposite, SWT.NONE);
+ vertexMappingLabel.setText("Default vertex mapping");
+
+ vertexMappingCombo = new Combo(cmposite, SWT.READ_ONLY | SWT.BORDER);
+ GridDataFactory.fillDefaults().grab(true, false).applyTo(vertexMappingCombo);
+
+ }
+ }
+}
Code Review / simantics / district.git / blobdiff