1 /*******************************************************************************
\r
2 * Copyright (c) 2013 Association for Decentralized Information Management
\r
3 * in Industry THTH ry.
\r
4 * All rights reserved. This program and the accompanying materials
\r
5 * are made available under the terms of the Eclipse Public License v1.0
\r
6 * which accompanies this distribution, and is available at
\r
7 * http://www.eclipse.org/legal/epl-v10.html
\r
10 * Semantum Oy - initial API and implementation
\r
11 *******************************************************************************/
\r
12 package org.simantics.diagram.handler;
\r
14 import java.util.ArrayList;
\r
15 import java.util.Collection;
\r
16 import java.util.Collections;
\r
17 import java.util.List;
\r
19 import org.eclipse.jface.action.Action;
\r
20 import org.eclipse.jface.action.ContributionItem;
\r
21 import org.eclipse.jface.action.IContributionItem;
\r
22 import org.eclipse.swt.SWT;
\r
23 import org.eclipse.swt.events.SelectionEvent;
\r
24 import org.eclipse.swt.events.SelectionListener;
\r
25 import org.eclipse.swt.widgets.Menu;
\r
26 import org.eclipse.swt.widgets.MenuItem;
\r
27 import org.simantics.databoard.Bindings;
\r
28 import org.simantics.db.ReadGraph;
\r
29 import org.simantics.db.Resource;
\r
30 import org.simantics.db.Session;
\r
31 import org.simantics.db.WriteGraph;
\r
32 import org.simantics.db.common.request.WriteRequest;
\r
33 import org.simantics.db.exception.DatabaseException;
\r
34 import org.simantics.diagram.stubs.DiagramResource;
\r
35 import org.simantics.ui.contribution.DynamicMenuContribution;
\r
36 import org.simantics.utils.datastructures.Callback;
\r
37 import org.simantics.utils.ui.AdaptionUtils;
\r
38 import org.simantics.utils.ui.ExceptionUtils;
\r
41 * @author Tuukka Lehtonen
\r
43 public class TerminalConnectionDirectionsMenuContribution extends DynamicMenuContribution {
\r
45 private static final IContributionItem[] NONE = {};
\r
47 private static final int[] DIRECTION_MASK = { 8, 4, 1, 2 };
\r
48 private static final String[] DIRECTION_NAME = { "Up", "Left", "Right", "Down" };
\r
51 protected IContributionItem[] getContributionItems(ReadGraph graph, Object[] selection) throws DatabaseException {
\r
52 return getTerminalDirectionItems(graph, selection).toArray(NONE);
\r
55 public static Collection<IContributionItem> getTerminalDirectionItems(ReadGraph graph, Object[] selection) throws DatabaseException {
\r
56 DiagramResource DIA = DiagramResource.getInstance(graph);
\r
58 final List<Resource> terminals = new ArrayList<Resource>();
\r
59 for (Object s : selection) {
\r
60 Resource connection = AdaptionUtils.adaptToSingle(s, Resource.class);
\r
61 if (connection == null || !graph.isInstanceOf(connection, DIA.Terminal))
\r
62 return Collections.emptyList();
\r
63 terminals.add(connection);
\r
65 if (terminals.isEmpty())
\r
66 return Collections.emptyList();
\r
69 for (Resource terminal : terminals) {
\r
70 Integer dirs = graph.getPossibleRelatedValue(terminal, DIA.Terminal_AllowedDirections, Bindings.INTEGER);
\r
71 int mask = dirs == null ? 0 : dirs;
\r
75 final List<ToggleDirectionAction> actions = new ArrayList<ToggleDirectionAction>(4);
\r
76 for (int i = 0; i < DIRECTION_NAME.length; ++i) {
\r
77 String name = DIRECTION_NAME[i];
\r
78 int mask = DIRECTION_MASK[i];
\r
79 boolean wasChecked = (jointMask & mask) != 0;
\r
80 int orMask = wasChecked ? 0 : mask;
\r
81 int andMask = wasChecked ? ~mask : 0xffffffff;
\r
82 ToggleDirectionAction action = new ToggleDirectionAction(graph.getSession(), terminals, orMask, andMask, name);
\r
83 action.setChecked(wasChecked);
\r
84 actions.add(action);
\r
87 return Collections.<IContributionItem>singleton(
\r
88 new ContributionItem() {
\r
90 public void fill(Menu menu, int index) {
\r
91 MenuItem directions = new MenuItem(menu, SWT.CASCADE, index);
\r
92 directions.setText("Allowed Routing Directions");
\r
94 Menu subMenu = new Menu(menu);
\r
95 directions.setMenu(subMenu);
\r
97 for (ToggleDirectionAction a : actions) {
\r
98 MenuItem item = new MenuItem(subMenu, SWT.CHECK);
\r
99 item.setText(a.getText());
\r
100 item.addSelectionListener(a);
\r
101 item.setSelection(a.isChecked());
\r
108 static class ToggleDirectionAction extends Action implements SelectionListener {
\r
111 Collection<Resource> terminals;
\r
115 public ToggleDirectionAction(Session session,
\r
116 List<Resource> terminals, int orMask, int andMask,
\r
118 super(name, Action.AS_CHECK_BOX);
\r
119 this.session = session;
\r
120 this.terminals = terminals;
\r
121 this.orMask = orMask;
\r
122 this.andMask = andMask;
\r
126 public void run() {
\r
127 session.asyncRequest(new WriteRequest() {
\r
129 public void perform(WriteGraph graph) throws DatabaseException {
\r
130 DiagramResource DIA = DiagramResource.getInstance(graph);
\r
131 for (Resource terminal : terminals) {
\r
132 Integer dirs = graph.getPossibleRelatedValue(terminal, DIA.Terminal_AllowedDirections, Bindings.INTEGER);
\r
133 int mask = dirs == null ? 0 : dirs;
\r
136 graph.claimLiteral(terminal, DIA.Terminal_AllowedDirections, mask, Bindings.INTEGER);
\r
139 }, new Callback<DatabaseException>() {
\r
141 public void run(DatabaseException parameter) {
\r
142 if (parameter != null)
\r
143 ExceptionUtils.logError(parameter);
\r
149 public void widgetDefaultSelected(SelectionEvent e) {
\r
154 public void widgetSelected(SelectionEvent e) {
\r