1 /*******************************************************************************
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2 * Copyright (c) 2007, 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.jfreechart.chart.ge;
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14 import java.util.ArrayList;
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15 import java.util.Collection;
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17 import org.simantics.browsing.ui.model.children.ChildRule;
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18 import org.simantics.db.ReadGraph;
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19 import org.simantics.db.Resource;
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20 import org.simantics.db.common.request.ObjectsWithType;
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21 import org.simantics.db.common.utils.ListUtils;
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22 import org.simantics.db.exception.DatabaseException;
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23 import org.simantics.layer0.Layer0;
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24 import org.simantics.sysdyn.JFreeChartResource;
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27 * ChildRule for finding the series of an axis
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29 * @author Teemu Lempinen
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32 public class VariableChildRule implements ChildRule {
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35 public boolean isCompatible(Class<?> contentType) {
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36 return contentType.equals(Resource.class);
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40 public Collection<?> getChildren(ReadGraph graph, Object parent) throws DatabaseException {
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41 ArrayList<Resource> result = new ArrayList<Resource>();
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42 if(!(parent instanceof Resource))
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44 JFreeChartResource jfree = JFreeChartResource.getInstance(graph);
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45 Layer0 l0 = Layer0.getInstance(graph);
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46 Resource axis = (Resource)parent;
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48 * 1. Axis belongs to a plot
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49 * 2. Plot may have multiple datasets
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50 * 3. Dataset is mapped to a single range axis
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51 * 3. Dataset may have multiple seires
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53 Resource plot = graph.getPossibleObject(axis, jfree.Plot_rangeAxis_Inverse);
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57 for(Resource dataset : graph.syncRequest(new ObjectsWithType(plot, l0.ConsistsOf, jfree.Dataset))) {
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58 if(graph.hasStatement(dataset, jfree.Dataset_mapToRangeAxis, axis)) {
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59 Resource seriesList = graph.getPossibleObject(dataset, jfree.Dataset_seriesList);
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60 if(seriesList != null)
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61 for(Resource series : ListUtils.toList(graph, seriesList)) {
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70 public Collection<?> getParents(ReadGraph graph, Object child) throws DatabaseException {
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71 return new ArrayList<Resource>();
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