1 /*******************************************************************************
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2 * Copyright (c) 2007, 2014 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.charts.ui;
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14 import java.util.ArrayList;
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15 import java.util.Collection;
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16 import java.util.Collections;
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17 import java.util.HashSet;
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18 import java.util.List;
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19 import java.util.Optional;
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20 import java.util.Set;
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21 import java.util.stream.Collectors;
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23 import org.eclipse.jface.viewers.ISelection;
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24 import org.simantics.Simantics;
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25 import org.simantics.charts.internal.JsonUtils;
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26 import org.simantics.charts.ontology.ChartResource;
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27 import org.simantics.charts.query.AddChartItem;
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28 import org.simantics.charts.query.ChartItemDescriptor;
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29 import org.simantics.databoard.Bindings;
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30 import org.simantics.databoard.type.BooleanType;
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31 import org.simantics.databoard.type.Datatype;
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32 import org.simantics.databoard.type.NumberType;
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33 import org.simantics.databoard.util.ObjectUtils;
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34 import org.simantics.db.ReadGraph;
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35 import org.simantics.db.Resource;
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36 import org.simantics.db.common.procedure.adapter.ProcedureAdapter;
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37 import org.simantics.db.exception.DatabaseException;
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38 import org.simantics.db.layer0.SelectionHints;
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39 import org.simantics.db.layer0.adapter.DropActionFactory;
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40 import org.simantics.db.layer0.request.PossibleModel;
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41 import org.simantics.db.layer0.variable.RVI;
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42 import org.simantics.db.layer0.variable.Variable;
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43 import org.simantics.db.layer0.variable.VariableReference;
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44 import org.simantics.modeling.ModelingResources;
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45 import org.simantics.modeling.PropertyVariables;
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46 import org.simantics.modeling.PropertyVariablesImpl;
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47 import org.simantics.modeling.utils.VariableReferences;
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48 import org.simantics.trend.configuration.TrendItem.Renderer;
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49 import org.simantics.ui.selection.WorkbenchSelectionElement;
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50 import org.simantics.utils.ui.ErrorLogger;
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51 import org.simantics.utils.ui.ISelectionUtils;
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54 * @author Tuukka Lehtonen
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56 public class ChartDropActionFactory implements DropActionFactory {
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59 public Runnable create(ReadGraph g, Object target, Object source, int operation) throws DatabaseException {
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60 //System.out.println("DROP: " + source + " -> " + target);
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62 final Resource chart = ISelectionUtils.getSinglePossibleKey(target, SelectionHints.KEY_MAIN, Resource.class);
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63 if (chart == null) return null;
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64 Resource targetModel = g.syncRequest(new PossibleModel(chart));
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65 if (targetModel == null) return null;
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67 if(source instanceof RVI) {
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68 List<VariableReference> refs = Collections.singletonList(new VariableReference((RVI)source,
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69 SubscriptionDropActionFactory.getDatatype(g, targetModel, (RVI) source), null));
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70 return new AddVariableToChartAction(chart, null, refs).init(g);
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73 List<PropertyVariables> vars = ISelectionUtils.getPossibleKeys(source, SelectionHints.KEY_MAIN, PropertyVariables.class);
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74 if (!vars.isEmpty()) {
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75 // FIXME: this is a hack for indexed value support
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76 vars = PropertyVariablesImpl.resolve(g, vars);
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77 List<VariableReference> references = toPropertyReferences(g, targetModel, vars);
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78 if (!references.isEmpty())
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79 return new AddVariableToChartAction(chart, null, references).init(g);
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82 List<Variable> vars2 = ISelectionUtils.getPossibleKeys(source, SelectionHints.KEY_MAIN, Variable.class);
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83 if (!vars2.isEmpty()) {
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84 List<VariableReference> references = toReferences(g, targetModel, vars2);
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85 if (!references.isEmpty())
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86 return new AddVariableToChartAction(chart, null, references).init(g);
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89 if(source instanceof ISelection) {
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90 List<WorkbenchSelectionElement> wses = ISelectionUtils.filterSelection((ISelection)source, WorkbenchSelectionElement.class);
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91 if (!wses.isEmpty()) {
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92 List<Variable> wsevars = new ArrayList<>();
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93 ChartVariable av = new ChartVariable(g);
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94 for(WorkbenchSelectionElement wse : wses) {
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95 Variable v = wse.getContent(av);
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100 List<VariableReference> references = toReferences(g, targetModel, wsevars);
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101 if (!wsevars.isEmpty()) {
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102 return new AddVariableToChartAction(chart, null, references).init(g);
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107 List<Resource> srcs = ISelectionUtils.getPossibleKeys(source, SelectionHints.KEY_MAIN, Resource.class);
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108 ModelingResources MOD = ModelingResources.getInstance(g);
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109 ChartResource CHART = ChartResource.getInstance(g);
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110 List<ChartItemDescriptor> newItems = new ArrayList<ChartItemDescriptor>();
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111 Set<Resource> movedPlots = new HashSet<Resource>();
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112 for (Resource res : srcs) {
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113 if (g.isInstanceOf(res, MOD.Subscription_Item)) {
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114 Resource model = g.syncRequest(new PossibleModel(res));
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115 if (ObjectUtils.objectEquals(targetModel, model)) {
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116 ChartItemDescriptor desc = new ChartItemDescriptor();
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117 desc.subscriptionItem = res;
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119 Datatype datatype = g.getPossibleRelatedValue(res, MOD.Subscription_Item_Datatype, Bindings.getBindingUnchecked(Datatype.class));
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120 desc.renderer = datatype instanceof BooleanType ? Renderer.Binary : Renderer.Analog;
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122 newItems.add(desc);
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124 } else if (g.isInstanceOf(res, CHART.Chart_Item)) {
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125 Resource model = g.syncRequest(new PossibleModel(res));
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126 if (ObjectUtils.objectEquals(targetModel, model))
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127 movedPlots.add(res);
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130 if (!newItems.isEmpty() || !movedPlots.isEmpty())
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131 return addPlots(chart, newItems, movedPlots);
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134 if (source instanceof String) {
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136 Optional<Variable> v = JsonUtils.tryParseJsonPropertyVariable(g, (String) source);
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137 if (v.isPresent()) {
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138 List<VariableReference> references = toReferences(g, targetModel, Collections.singletonList(v.get()));
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139 if (!references.isEmpty())
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140 return new AddVariableToChartAction(chart, null, references).init(g);
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147 private static List<VariableReference> toReferences(ReadGraph graph, Resource contextIndexRoot, List<Variable> variables) throws DatabaseException {
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148 if (variables.isEmpty())
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149 return Collections.emptyList();
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150 return filterReferences( graph.syncRequest(VariableReferences.variablesToReferences(contextIndexRoot, variables)) );
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153 private static List<VariableReference> toPropertyReferences(ReadGraph graph, Resource contextIndexRoot, List<PropertyVariables> variables) throws DatabaseException {
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154 if (variables.isEmpty())
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155 return Collections.emptyList();
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156 return filterReferences( graph.syncRequest(VariableReferences.toReferences(contextIndexRoot, variables)) );
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159 private static List<VariableReference> filterReferences(List<VariableReference> variables) throws DatabaseException {
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160 return variables.stream()
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161 .filter(ref -> ref.datatype instanceof BooleanType || ref.datatype instanceof NumberType)
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162 .collect(Collectors.toList());
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165 public static Runnable addPlots(Resource chart, List<ChartItemDescriptor> references, Set<Resource> movedPlots) {
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167 Simantics.getSession().asyncRequest(
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168 AddChartItem.addAndMoveChartItems(chart, references, movedPlots),
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169 new ProcedureAdapter<Collection<Resource>>() {
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171 public void exception(Throwable e) {
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173 ErrorLogger.defaultLogError(e);
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