1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 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.modeling.ui.modelBrowser2.model;
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14 import java.util.List;
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16 import org.eclipse.jface.viewers.ISelection;
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17 import org.simantics.browsing.ui.common.node.IDeletable;
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18 import org.simantics.browsing.ui.common.node.IDropTargetNode;
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19 import org.simantics.db.Resource;
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20 import org.simantics.db.exception.DatabaseException;
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21 import org.simantics.db.layer0.variable.VariableReference;
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22 import org.simantics.modeling.PropertyVariables;
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23 import org.simantics.modeling.subscription.AddSubscriptionItems;
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24 import org.simantics.modeling.utils.VariableReferences;
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25 import org.simantics.structural.ui.modelBrowser.nodes.AbstractNode;
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26 import org.simantics.ui.SimanticsUI;
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27 import org.simantics.utils.datastructures.Callback;
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28 import org.simantics.utils.ui.ErrorLogger;
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29 import org.simantics.utils.ui.ISelectionUtils;
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32 * @author Tuukka Lehtonen
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34 public class SubscriptionNode extends AbstractNode implements IDeletable, IDropTargetNode {
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36 public SubscriptionNode(Resource resource) {
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41 public void drop(Object data) {
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42 if (!(data instanceof ISelection))
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44 final List<PropertyVariables> vars = ISelectionUtils.filterSelection((ISelection) data, PropertyVariables.class);
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45 if (!vars.isEmpty()) {
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46 List<VariableReference> references;
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48 references = SimanticsUI.getSession().syncRequest(VariableReferences.toReferences(vars));
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49 addSubscriptions(references);
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50 } catch (DatabaseException e) {
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51 ErrorLogger.defaultLogError(e);
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54 final List<VariableReference> references = ISelectionUtils.filterSelection((ISelection) data, VariableReference.class);
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55 if (!references.isEmpty()) {
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56 addSubscriptions(references);
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61 private void addSubscriptions(List<VariableReference> references) {
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62 SimanticsUI.getSession().asyncRequest(new AddSubscriptionItems(resource, references), new Callback<DatabaseException>() {
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64 public void run(DatabaseException e) {
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66 ErrorLogger.defaultLogError(e);
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