1 /*******************************************************************************
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2 * Copyright (c) 2010, 2011 Association for Decentralized Information Management in
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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.model.dnd;
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14 import org.simantics.browsing.ui.BuiltinKeys;
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15 import org.simantics.browsing.ui.NodeContext;
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16 import org.simantics.browsing.ui.model.nodetypes.NodeType;
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17 import org.simantics.browsing.ui.model.nodetypes.NodeTypeMultiMap;
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18 import org.simantics.browsing.ui.model.tests.Test;
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19 import org.simantics.db.ReadGraph;
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20 import org.simantics.db.Resource;
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21 import org.simantics.db.common.utils.Logger;
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22 import org.simantics.db.exception.DatabaseException;
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23 import org.simantics.db.layer0.adapter.DropActionFactory;
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24 import org.simantics.viewpoint.ontology.ViewpointResource;
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26 public class DropActionContribution implements Comparable<DropActionContribution> {
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28 DropActionFactory actionFactory;
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32 public DropActionContribution(NodeType nodeType,
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33 DropActionFactory actionFactory, Test test, double priority) {
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35 this.nodeType = nodeType;
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36 this.actionFactory = actionFactory;
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38 this.priority = priority;
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41 public static void load(ReadGraph g, Resource r, NodeTypeMultiMap<DropActionContribution> contributions) throws DatabaseException {
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42 ViewpointResource VR = ViewpointResource.getInstance(g);
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44 NodeType nodeType = g.adapt(g.getSingleObject(r, VR.DropActionContribution_HasNodeType), NodeType.class);
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46 DropActionFactory actionFactory = g.adapt(g.getSingleObject(r, VR.DropActionContribution_HasAction), DropActionFactory.class);
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48 Resource testResource = g.getPossibleObject(r, VR.DropActionContribution_HasCondition);
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49 Test test = testResource == null ? null : g.adapt(testResource, Test.class);
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51 Double mpriority = g.getPossibleRelatedValue(r, VR.DropActionContribution_HasPriority);
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52 double priority = mpriority == null ? 0.0 : mpriority.doubleValue();
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54 DropActionContribution contribution =
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55 new DropActionContribution(nodeType, actionFactory, test, priority);
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56 contributions.put(nodeType, contribution);
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59 public Runnable getAction(ReadGraph graph, NodeContext context, Object source, int operation) {
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60 Object content = context.getConstant(BuiltinKeys.INPUT);
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62 if (test == null || test.test(graph, content)) {
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63 return actionFactory.create(graph, content, source, operation);
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65 } catch(DatabaseException e) {
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66 Logger.defaultLogError(e);
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72 public int compareTo(DropActionContribution o) {
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73 return Double.compare(o.priority, priority);
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