1 /*******************************************************************************
2 * Copyright (c) 2007, 2018 VTT Technical Research Centre of Finland and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
9 * VTT Technical Research Centre of Finland - initial API and implementation
10 * Semantum Oy - gitlab simantics/platform#133
11 *******************************************************************************/
12 package org.simantics.modeling.ui.modelBrowser.handlers;
14 import java.util.Arrays;
15 import java.util.HashSet;
18 import org.eclipse.core.commands.AbstractHandler;
19 import org.eclipse.core.commands.ExecutionEvent;
20 import org.eclipse.core.commands.ExecutionException;
21 import org.eclipse.core.runtime.IProgressMonitor;
22 import org.eclipse.core.runtime.IStatus;
23 import org.eclipse.core.runtime.Status;
24 import org.eclipse.core.runtime.SubMonitor;
25 import org.eclipse.core.runtime.jobs.Job;
26 import org.eclipse.jface.action.IStatusLineManager;
27 import org.eclipse.jface.viewers.ISelection;
28 import org.eclipse.ui.PlatformUI;
29 import org.eclipse.ui.handlers.HandlerUtil;
30 import org.simantics.Simantics;
31 import org.simantics.db.ReadGraph;
32 import org.simantics.db.Resource;
33 import org.simantics.db.common.request.ReadRequest;
34 import org.simantics.db.exception.DatabaseException;
35 import org.simantics.db.layer0.adapter.CopyHandler;
36 import org.simantics.db.layer0.util.SimanticsClipboardImpl;
37 import org.simantics.modeling.ui.Activator;
38 import org.simantics.ui.utils.ResourceAdaptionUtils;
39 import org.simantics.utils.ui.SWTUtils;
40 import org.simantics.utils.ui.workbench.WorkbenchUtils;
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
44 public class StandardCutHandler extends AbstractHandler {
46 private static final Logger LOGGER = LoggerFactory.getLogger(StandardCutHandler.class);
48 private static IStatusLineManager status;
51 public Object execute(ExecutionEvent event) throws ExecutionException {
52 status = WorkbenchUtils.getStatusLine( HandlerUtil.getActiveSite(event) );
53 ISelection selection = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection();
54 final Resource[] rs = ResourceAdaptionUtils.toResources( selection );
56 setStatus("Nothing to cut.");
59 Job job = new Job("Cut resources") {
62 protected IStatus run(IProgressMonitor monitor) {
63 monitor.beginTask("Cut resources", rs.length);
65 final SimanticsClipboardImpl builder = new SimanticsClipboardImpl();
67 Simantics.getSession().syncRequest(new ReadRequest() {
69 public void run(ReadGraph graph) throws DatabaseException {
70 Set<Resource> unique = new HashSet<>();
71 for (Resource r : rs) {
74 CopyHandler handler = graph.adapt(r, CopyHandler.class);
75 handler.cutToClipboard(graph, builder, SubMonitor.convert(monitor, 1));
80 Simantics.setClipboard(builder);
81 setCutMessage(builder.getContents().size(), "resource");
82 return Status.OK_STATUS;
83 } catch (DatabaseException e) {
84 LOGGER.error("Cut operation failed", e); //$NON-NLS-1$
85 return new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Cut operation failed", e);
95 private static void setCutMessage(int count, String elementName) {
97 setStatus("Cut " + count + " " + elementName + "s to clipboard");
99 setStatus("Cut " + elementName + " to clipboard");
101 setStatus("Nothing to cut.");
104 private static void setStatus(String message) {
105 if (status != null) {
107 PlatformUI.getWorkbench().getDisplay(),
108 () -> status.setMessage(message));
112 public static String cutResourcesToClipboard(final Resource[] rs, ISelection selection) {
114 final SimanticsClipboardImpl builder = new SimanticsClipboardImpl();
115 Simantics.getSession().syncRequest(new ReadRequest() {
117 public void run(ReadGraph graph) throws DatabaseException {
118 for (Resource r : rs) {
119 CopyHandler handler = graph.adapt(r, CopyHandler.class);
120 handler.cutToClipboard(graph, builder, null);
124 Simantics.setClipboard(builder);
125 setCutMessage(builder.getContents().size(), "resource");
126 } catch (DatabaseException e) {
127 LOGGER.error("Failed to cut {} resources to clipboard: {}", rs.length, Arrays.toString(rs), e); //$NON-NLS-1$