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.g2d.element.handler.impl;
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14 import org.simantics.g2d.diagram.IDiagram;
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15 import org.simantics.g2d.element.ElementHints;
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16 import org.simantics.g2d.element.IElement;
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17 import org.simantics.g2d.element.handler.Stateful;
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18 import org.simantics.g2d.element.handler.LifeCycle;
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21 * @author Toni Kalajainen
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23 public class EnabledImpl implements Stateful, LifeCycle {
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25 private static final long serialVersionUID = -9001251146906678336L;
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27 public static final EnabledImpl ENABLED_BY_DEFAULT = new EnabledImpl();
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28 public static final EnabledImpl DISABLED_BY_DEFAULT = new EnabledImpl();
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31 public boolean isEnabled(IElement e) {
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32 Boolean b = e.getHint(ElementHints.KEY_ENABLED);
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33 return b==null ? false : b;
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37 public void setEnabled(IElement e, boolean enabled) {
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38 e.setHint(ElementHints.KEY_ENABLED, enabled);
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42 public void onElementActivated(IDiagram d, IElement e) {
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46 public void onElementCreated(IElement e) {
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47 e.setHint(ElementHints.KEY_ENABLED, true);
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51 public void onElementDeactivated(IDiagram d, IElement e) {
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55 public void onElementDestroyed(IElement e) {
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