1 package org.simantics.modeling.ui.scl.expressions;
3 import java.util.Collection;
5 import org.eclipse.core.runtime.IProgressMonitor;
6 import org.eclipse.core.runtime.IStatus;
7 import org.eclipse.core.runtime.Status;
8 import org.eclipse.core.runtime.jobs.Job;
9 import org.eclipse.jface.action.Action;
10 import org.eclipse.jface.action.IAction;
11 import org.eclipse.jface.layout.GridDataFactory;
12 import org.eclipse.jface.layout.TableColumnLayout;
13 import org.eclipse.jface.resource.ImageRegistry;
14 import org.eclipse.jface.viewers.ArrayContentProvider;
15 import org.eclipse.jface.viewers.ColumnLabelProvider;
16 import org.eclipse.jface.viewers.ColumnViewerToolTipSupport;
17 import org.eclipse.jface.viewers.ColumnWeightData;
18 import org.eclipse.jface.viewers.DoubleClickEvent;
19 import org.eclipse.jface.viewers.IDoubleClickListener;
20 import org.eclipse.jface.viewers.IStructuredContentProvider;
21 import org.eclipse.jface.viewers.IStructuredSelection;
22 import org.eclipse.jface.viewers.StructuredSelection;
23 import org.eclipse.jface.viewers.TableViewer;
24 import org.eclipse.jface.viewers.TableViewerColumn;
25 import org.eclipse.swt.SWT;
26 import org.eclipse.swt.events.KeyAdapter;
27 import org.eclipse.swt.events.KeyEvent;
28 import org.eclipse.swt.layout.GridLayout;
29 import org.eclipse.swt.widgets.Composite;
30 import org.eclipse.swt.widgets.Shell;
31 import org.eclipse.swt.widgets.Table;
32 import org.eclipse.swt.widgets.Text;
33 import org.eclipse.ui.IMemento;
34 import org.eclipse.ui.IViewSite;
35 import org.eclipse.ui.PartInitException;
36 import org.eclipse.ui.part.ViewPart;
37 import org.simantics.DatabaseJob;
38 import org.simantics.Simantics;
39 import org.simantics.db.Resource;
40 import org.simantics.db.exception.DatabaseException;
41 import org.simantics.modeling.ui.Activator;
42 import org.simantics.scl.db.SCLExpressionTableEntry;
43 import org.simantics.scl.db.UsedSCLExpressionsRequest;
44 import org.simantics.ui.workbench.action.DefaultActions;
45 import org.slf4j.Logger;
46 import org.slf4j.LoggerFactory;
48 public class SCLExpressionView extends ViewPart {
50 private static final Logger LOGGER = LoggerFactory.getLogger(SCLExpressionView.class);
52 private TableViewer tableViewer;
53 private TableViewerColumn expressionColumn;
54 private TableViewerColumn locationColumn;
56 private ImageRegistry imageRegistry;
57 private IStructuredContentProvider expressionContentProvider;
58 private SCLExpressionItemFilter expressionFilter;
60 public SCLExpressionView() {
61 imageRegistry = Activator.getDefault().getImageRegistry();
62 expressionContentProvider = ArrayContentProvider.getInstance();
66 public void init(IViewSite site, IMemento memento) throws PartInitException {
67 super.init(site, memento);
68 IAction action = new Action("Refresh") {
71 scheduleUpdateEntries();
74 action.setImageDescriptor(imageRegistry.getDescriptor("arrow_refresh"));
75 site.getActionBars().getToolBarManager().add(action);
78 private void createFilter(Composite parent) {
79 expressionFilter = new SCLExpressionItemFilter();
81 Text searchText = new Text(parent, SWT.BORDER | SWT.SEARCH);
82 GridDataFactory.fillDefaults().grab(true, false).applyTo(searchText);
83 searchText.addKeyListener(new KeyAdapter() {
86 public void keyReleased(KeyEvent e) {
87 expressionFilter.setSearchText(searchText.getText());
88 tableViewer.refresh();
94 public void createPartControl(Composite parent) {
95 parent.setLayout(new GridLayout(1, false));
96 GridDataFactory.fillDefaults().grab(true, true).applyTo(parent);
99 Composite tableParent = new Composite(parent, SWT.NONE);
100 GridDataFactory.fillDefaults().grab(true, true).applyTo(tableParent);
102 tableViewer = new TableViewer(tableParent,
103 SWT.FULL_SELECTION | SWT.SINGLE | SWT.V_SCROLL | SWT.H_SCROLL | SWT.VIRTUAL);
104 ColumnViewerToolTipSupport.enableFor(tableViewer);
105 tableViewer.setContentProvider(expressionContentProvider);
106 tableViewer.addFilter(expressionFilter);
108 Table table = tableViewer.getTable();
109 table.setHeaderVisible(true);
110 table.setLinesVisible(true);
112 TableColumnLayout layout = new TableColumnLayout();
113 tableParent.setLayout(layout);
115 expressionColumn = new TableViewerColumn(tableViewer, SWT.NONE);
116 expressionColumn.getColumn().setText("Expression");
117 expressionColumn.getColumn().setResizable(true);
118 expressionColumn.setLabelProvider(new ColumnLabelProvider() {
120 public String getText(Object element) {
121 SCLExpressionTableEntry entry = (SCLExpressionTableEntry) element;
122 return entry.getContent();
126 layout.setColumnData(expressionColumn.getColumn(), new ColumnWeightData(100));
128 locationColumn = new TableViewerColumn(tableViewer, SWT.NONE);
129 locationColumn.getColumn().setText("Location");
130 locationColumn.getColumn().setResizable(false);
131 locationColumn.setLabelProvider(new ColumnLabelProvider() {
133 public String getText(Object element) {
134 SCLExpressionTableEntry entry = (SCLExpressionTableEntry) element;
135 if (entry.getLocation() != null)
136 return entry.getLocation();
141 layout.setColumnData(locationColumn.getColumn(), new ColumnWeightData(100));
142 tableViewer.addDoubleClickListener(new IDoubleClickListener() {
144 public void doubleClick(DoubleClickEvent event) {
145 IStructuredSelection selection = (IStructuredSelection) event.getSelection();
146 SCLExpressionTableEntry entry = (SCLExpressionTableEntry) selection.getFirstElement();
148 openResource(tableViewer.getControl().getDisplay().getActiveShell(), entry.getResource());
151 scheduleUpdateEntries();
154 private void scheduleUpdateEntries() {
155 Job updateJob = new DatabaseJob("Update used SCL expressions") {
158 protected IStatus run(IProgressMonitor monitor) {
160 Collection<SCLExpressionTableEntry> result = Simantics.getSession()
161 .syncRequest(new UsedSCLExpressionsRequest());
162 tableViewer.getTable().getDisplay().asyncExec(() -> {
163 tableViewer.setInput(result);
165 return Status.OK_STATUS;
166 } catch (DatabaseException e) {
167 LOGGER.error("Could not update SCL expressions", e);
168 return new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Could not update SCL expressions", e);
172 updateJob.schedule();
175 private static void openResource(Shell shell, Resource resource) {
176 DefaultActions.performDefaultAction(shell, new StructuredSelection(resource));
180 public void setFocus() {
181 tableViewer.getControl().setFocus();
185 public void dispose() {