1 /*******************************************************************************
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2 * Copyright (c) 2007, 2012 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.browsing.ui.swt;
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14 import java.util.List;
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16 import org.eclipse.swt.SWT;
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17 import org.eclipse.swt.events.ModifyListener;
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18 import org.eclipse.swt.layout.GridData;
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19 import org.eclipse.swt.widgets.Composite;
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20 import org.eclipse.swt.widgets.Control;
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21 import org.eclipse.ui.IWorkbenchSite;
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22 import org.simantics.Simantics;
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23 import org.simantics.browsing.ui.swt.stubs.BrowsingResource;
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24 import org.simantics.browsing.ui.swt.widgets.Combo;
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25 import org.simantics.browsing.ui.swt.widgets.impl.ReadFactory;
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26 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;
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27 import org.simantics.databoard.Bindings;
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28 import org.simantics.db.ReadGraph;
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29 import org.simantics.db.Resource;
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30 import org.simantics.db.exception.DatabaseException;
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31 import org.simantics.db.management.ISessionContext;
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32 import org.simantics.db.request.Read;
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33 import org.simantics.utils.datastructures.Pair;
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36 * @author Antti Villberg
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38 public class ModelledCombo implements ModelledControl {
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40 final private Resource configuration;
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42 public ModelledCombo(Resource configuration) {
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43 this.configuration = configuration;
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47 public Control create(Composite parent, IWorkbenchSite site, ISessionContext context, WidgetSupport support) throws DatabaseException {
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49 Combo combo = new Combo(parent, support, SWT.READ_ONLY);
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51 GridData gridData = Simantics.getSession().syncRequest(new Read<GridData>() {
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54 public GridData perform(ReadGraph graph) throws DatabaseException {
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55 BrowsingResource br = BrowsingResource.getInstance(graph);
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56 GridData data = new GridData(SWT.FILL, SWT.FILL, true, false);
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57 Integer span = graph.getPossibleRelatedValue(configuration, br.Control_HorizontalSpan, Bindings.INTEGER);
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58 if(span != null) data.horizontalSpan = span;
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59 Boolean grabExcessHorizontalSpace = graph.getPossibleRelatedValue(configuration, br.Control_HorizontalGrab, Bindings.BOOLEAN);
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60 if(grabExcessHorizontalSpace != null) data.grabExcessHorizontalSpace = grabExcessHorizontalSpace;
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66 combo.setLayoutData(gridData);
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68 ReadFactory<?, List<Pair<String, Object>>> available = Simantics.getSession().syncRequest(new Read<ReadFactory<?, List<Pair<String, Object>>>>() {
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70 @SuppressWarnings("unchecked")
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72 public ReadFactory<?, List<Pair<String, Object>>> perform(ReadGraph graph) throws DatabaseException {
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73 BrowsingResource br = BrowsingResource.getInstance(graph);
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74 Resource factory = graph.getPossibleObject(configuration, br.Combo_AvailableItems);
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75 return graph.adapt(factory, ReadFactory.class);
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80 //System.err.println("ModelledCombo: items = " + available);
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82 combo.setItemFactory2(available);
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84 ReadFactory<?, String> selected = Simantics.getSession().syncRequest(new Read<ReadFactory<?, String>>() {
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86 @SuppressWarnings("unchecked")
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88 public ReadFactory<?, String> perform(ReadGraph graph) throws DatabaseException {
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89 BrowsingResource br = BrowsingResource.getInstance(graph);
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90 Resource factory = graph.getPossibleObject(configuration, br.Combo_SelectedItem);
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91 return graph.adapt(factory, ReadFactory.class);
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96 combo.setSelectionFactory(selected);
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98 ModifyListener modifier = Simantics.getSession().syncRequest(new Read<ModifyListener>() {
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101 public ModifyListener perform(ReadGraph graph) throws DatabaseException {
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102 BrowsingResource br = BrowsingResource.getInstance(graph);
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103 Resource factory = graph.getPossibleObject(configuration, br.Combo_Modifier);
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104 return graph.adapt(factory, ModifyListener.class);
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109 combo.addModifyListener(modifier);
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111 return combo.getWidget();
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