--- /dev/null
+package org.simantics.district.selection.ui;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+import org.eclipse.jface.viewers.ColumnViewerToolTipSupport;
+import org.eclipse.jface.viewers.DoubleClickEvent;
+import org.eclipse.jface.viewers.IDoubleClickListener;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.jface.viewers.TreeSelection;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.TreeViewerColumn;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Tree;
+import org.simantics.Simantics;
+import org.simantics.browsing.ui.common.AdaptableHintContext;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.procedure.adapter.SyncListenerAdapter;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.exception.RuntimeDatabaseException;
+import org.simantics.db.layer0.QueryIndexUtils;
+import org.simantics.db.layer0.SelectionHints;
+import org.simantics.db.layer0.request.ActiveModels;
+import org.simantics.db.request.Read;
+import org.simantics.district.selection.ElementSelectionResource;
+import org.simantics.district.selection.ElementSelectionUtils;
+import org.simantics.district.selection.ElementSelector;
+import org.simantics.layer0.Layer0;
+import org.simantics.scl.runtime.Lists;
+import org.simantics.scl.runtime.function.FunctionImpl1;
+import org.simantics.ui.selection.AnyResource;
+import org.simantics.ui.selection.AnyVariable;
+import org.simantics.ui.selection.WorkbenchSelectionContentType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ElementSelectorTableUI extends Composite {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(ElementSelectorTableUI.class);
+
+ private TreeViewer viewer;
+ private TreeViewerColumn column1;
+ private TreeViewerColumn column2;
+
+ public ElementSelectorTableUI(ESelectionService selectionService, Composite parent, int style) {
+ super(parent, style);
+ parent.setLayout(new FillLayout());
+ // GridDataFactory.fillDefaults().grab(true, true).applyTo(this);
+ // GridLayoutFactory.fillDefaults().numColumns(1).applyTo(this);
+ this.setLayout(new FillLayout());
+
+ viewer = new TreeViewer(this, SWT.FULL_SELECTION);
+ viewer.addDoubleClickListener(new IDoubleClickListener() {
+ @Override
+ public void doubleClick(DoubleClickEvent event) {
+ TreeSelection selection = (TreeSelection) viewer.getSelection();
+ ElementSelector query = (ElementSelector) selection.getFirstElement();
+ try {
+ List<AdaptableHintContext> elements = Simantics.getSession().syncRequest(new Read<List<AdaptableHintContext>>() {
+ @SuppressWarnings("unchecked")
+ @Override
+ public List<AdaptableHintContext> perform(ReadGraph graph) throws DatabaseException {
+ Resource model = ActiveModels.getPossibleActiveModel(graph, Simantics.getProjectResource());
+ if (model == null) {
+ LOGGER.warn("No active model");
+ return Collections.emptyList();
+ }
+
+ List<Resource> result = query.selectElementsFrom(graph, model);
+ return Lists.map(new FunctionImpl1<Resource, AdaptableHintContext>() {
+ public AdaptableHintContext apply(Resource p0) {
+ AdaptableHintContext selectionElement = new SelectionElement(SelectionHints.STD_KEYS, graph);
+ selectionElement.setHint(SelectionHints.KEY_MAIN, p0);
+ selectionElement.setHint(SelectionHints.KEY_MODEL, model);
+ return selectionElement;
+ }
+ }, result);
+ }
+ });
+
+ selectionService.setPostSelection(new StructuredSelection(elements));
+ } catch (DatabaseException e) {
+ LOGGER.error("Element selection query failed", e);
+ }
+ }
+ });
+
+ viewer.setContentProvider(new ITreeContentProvider() {
+ @Override
+ public boolean hasChildren(Object element) {
+ return false;
+ }
+
+ @Override
+ public Object getParent(Object element) {
+ return null;
+ }
+
+ @Override
+ public Object[] getElements(Object inputElement) {
+ if (inputElement == null || !(inputElement instanceof Collection))
+ return new Object[0];
+
+ return ((Collection<?>)inputElement).toArray();
+ }
+
+ @Override
+ public Object[] getChildren(Object parentElement) {
+ return null;
+ }
+
+ @Override
+ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+ ITreeContentProvider.super.inputChanged(viewer, oldInput, newInput);
+ }
+ });
+
+ Simantics.getSession().asyncRequest(new SelectionsRequest(), new SyncListenerAdapter<Collection<ElementSelector>>() {
+ public void execute(ReadGraph graph, Collection<ElementSelector> result) {
+ parent.getDisplay().asyncExec(() -> {
+ viewer.setInput(result);
+ });
+ }
+
+ @Override
+ public void exception(ReadGraph graph, Throwable t) throws DatabaseException {
+ LOGGER.error("Error getting element selector list", t);
+ }
+
+ @Override
+ public boolean isDisposed() {
+ return ElementSelectorTableUI.this.isDisposed();
+ }
+ });
+
+ ColumnViewerToolTipSupport.enableFor(viewer);
+
+ Tree table = viewer.getTree();
+ table.setHeaderVisible(true);
+ table.setLinesVisible(true);
+
+ column1 = new TreeViewerColumn(viewer, SWT.NONE);
+ column1.getColumn().setText("Name");
+ column1.getColumn().setWidth(200);
+ column1.getColumn().setResizable(true);
+ column1.setLabelProvider(new ColumnLabelProvider() {
+ @Override
+ public String getText(Object element) {
+ ElementSelector selector = (ElementSelector) element;
+ return selector.getName();
+ }
+
+ @Override
+ public Image getImage(Object element) {
+ return null;
+ }
+ });
+
+ column2 = new TreeViewerColumn(viewer, SWT.NONE);
+ column2.getColumn().setText("Query");
+ column2.getColumn().setWidth(600);
+ column2.getColumn().setResizable(true);
+ column2.setLabelProvider(new ColumnLabelProvider() {
+ @Override
+ public String getText(Object element) {
+ ElementSelector selector = (ElementSelector) element;
+ return selector.getExpression();
+ }
+
+ @Override
+ public Image getImage(Object element) {
+ return null;
+ }
+ });
+ }
+
+ public Tree getTree() {
+ return viewer.getTree();
+ }
+
+ public ElementSelector getSelectedItem() {
+ IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
+ return selection != null ? (ElementSelector) selection.getFirstElement() : null;
+ }
+
+ private final class SelectionElement extends AdaptableHintContext {
+ private final ReadGraph graph;
+
+ private SelectionElement(Key[] keys, ReadGraph graph) {
+ super(keys);
+ this.graph = graph;
+ }
+
+ @SuppressWarnings("unchecked")
+ public <T> T getContent(WorkbenchSelectionContentType<T> contentType) {
+ Resource element = getHint(SelectionHints.KEY_MAIN);
+ if (contentType instanceof AnyResource) {
+ return (T)element;
+ }
+ else if (contentType instanceof AnyVariable) {
+ try {
+ return (T)ElementSelector.getVariableForElement(graph, element);
+ } catch (DatabaseException e) {
+ return null;
+ }
+ }
+
+ return null;
+ }
+ }
+
+ public static class SelectionsRequest implements Read<Collection<ElementSelector>> {
+ @Override
+ public Collection<ElementSelector> perform(ReadGraph graph) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ ElementSelectionResource ES = ElementSelectionResource.getInstance(graph);
+
+ Resource model = ActiveModels.getPossibleActiveModel(graph, Simantics.getProjectResource());
+ if (model == null) {
+ return Collections.emptyList();
+ }
+
+ List<Resource> libs = QueryIndexUtils.searchByType(graph, model, ES.SelectionLibrary);
+ if (libs.isEmpty())
+ return Collections.emptyList();
+
+ Resource lib = libs.get(0);
+
+ List<ElementSelector> result = new ArrayList<>();
+ for (Resource selection : graph.getObjects(lib, L0.ConsistsOf)) {
+ if (!graph.isInstanceOf(selection, ES.Selection))
+ continue;
+
+ result.add(ElementSelector.getSelector(graph, selection));
+ }
+
+ return result;
+ }
+ }
+}
Code Review / simantics / district.git / blobdiff