1 /*******************************************************************************
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2 * Copyright (c) 2007- VTT Technical Research Centre of Finland.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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9 * VTT Technical Research Centre of Finland - initial API and implementation
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10 *******************************************************************************/
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11 package org.simantics.g2d.element.handler;
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13 import java.util.ArrayList;
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14 import java.util.Collection;
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15 import java.util.HashSet;
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16 import java.util.List;
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17 import java.util.Set;
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19 import org.simantics.g2d.element.IElement;
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20 import org.simantics.utils.datastructures.hints.IHintContext.Key;
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21 import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
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22 import org.simantics.utils.datastructures.valueinterface.InvalidItemException;
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23 import org.simantics.utils.datastructures.valueinterface.SubscriptionException;
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24 import org.simantics.utils.datastructures.valueinterface.ValueAccess;
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25 import org.simantics.utils.datastructures.valueinterface.ValueMap;
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26 import org.simantics.utils.datastructures.valueinterface.impl.SimpleValueMap;
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27 import org.simantics.utils.datastructures.valueinterface.impl.ValueMonitor;
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31 * @Author Toni Kalajainen
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33 public class PropertyHandlerImpl implements PropertyHandler {
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35 List<String> keys = new ArrayList<String>();
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36 Set<String> keys2 = new HashSet<String>();
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37 ValueMap<String> initialValues;
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39 private static final Key KEY_VM = new KeyOf(ValueMonitor.class);
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41 public PropertyHandlerImpl(String ... keys)
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43 for (String k : keys) {
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49 public PropertyHandlerImpl(Collection<String> keys, ValueMap<String> initialValues)
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51 for (String k : keys) {
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55 if (initialValues!=null)
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56 this.initialValues = new SimpleValueMap<String>(initialValues);
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60 public void enumerateProperties(Collection<String> collection) {
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61 collection.addAll(keys);
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65 public Object getValue(IElement e, String key) {
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66 ValueMonitor<String> vm = e.getHint(KEY_VM);
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67 if (vm==null) return null;
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72 public void setValueSource(IElement e, ValueAccess<String> access) {
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74 ValueMonitor<String> vm = e.getHint(KEY_VM);
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76 e.removeHint(KEY_VM);
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82 ValueMonitor<String> vm = new ValueMonitor<String>(access, keys2, initialValues);
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83 e.setHint(KEY_VM, vm);
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85 } catch (SubscriptionException e1) {
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86 e1.printStackTrace();
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87 } catch (InvalidItemException e1) {
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88 e1.printStackTrace();
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