1 package org.simantics.modeling.ui.diagramEditor;
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3 import java.util.ArrayList;
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5 import org.eclipse.jface.viewers.ISelection;
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6 import org.eclipse.jface.viewers.StructuredSelection;
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7 import org.eclipse.ui.IWorkbenchPartSite;
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8 import org.simantics.Simantics;
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9 import org.simantics.browsing.ui.swt.AdaptableHintContext;
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10 import org.simantics.db.ReadGraph;
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11 import org.simantics.db.Resource;
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12 import org.simantics.db.common.request.ResourceRead;
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13 import org.simantics.db.common.request.ResourceRead2;
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14 import org.simantics.db.common.utils.RequestUtil;
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15 import org.simantics.db.exception.DatabaseException;
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16 import org.simantics.db.layer0.SelectionHints;
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17 import org.simantics.db.layer0.request.PossibleModel;
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18 import org.simantics.db.layer0.variable.Variable;
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19 import org.simantics.db.layer0.variable.Variables;
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20 import org.simantics.diagram.Logger;
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21 import org.simantics.diagram.flag.FlagUtil;
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22 import org.simantics.diagram.stubs.DiagramResource;
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23 import org.simantics.diagram.ui.DiagramModelHints;
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24 import org.simantics.diagram.ui.WorkbenchSelectionProvider;
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25 import org.simantics.g2d.diagram.IDiagram;
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26 import org.simantics.g2d.element.ElementHints;
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27 import org.simantics.g2d.element.ElementUtils;
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28 import org.simantics.g2d.element.IElement;
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29 import org.simantics.layer0.Layer0;
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30 import org.simantics.modeling.ModelingResources;
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31 import org.simantics.ui.SimanticsUI;
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32 import org.simantics.ui.selection.AnyResource;
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33 import org.simantics.ui.selection.AnyVariable;
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34 import org.simantics.ui.selection.WorkbenchSelectionContentType;
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35 import org.simantics.utils.DataContainer;
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36 import org.simantics.utils.threads.IThreadWorkQueue;
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37 import org.simantics.utils.ui.ErrorLogger;
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40 * @author Antti Villberg
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42 public class DiagramViewerSelectionProvider extends WorkbenchSelectionProvider {
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44 protected static class SelectionElement extends AdaptableHintContext {
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46 final public Resource runtime;
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47 final public Resource element;
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49 public SelectionElement(Key[] keys, Resource runtime, Resource element) {
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51 this.runtime = runtime;
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52 this.element = element;
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55 @SuppressWarnings("unchecked")
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57 public <T> T getContent(WorkbenchSelectionContentType<T> contentType) {
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58 if(contentType instanceof AnyResource) return (T)element;
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59 else if(contentType instanceof AnyVariable) {
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60 AnyVariable type = (AnyVariable)contentType;
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62 return (T) type.processor.sync(new ResourceRead2<Variable>(runtime, element) {
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64 public Variable perform(ReadGraph graph) throws DatabaseException {
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66 DiagramResource DIA = DiagramResource.getInstance(graph);
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67 ModelingResources MOD = ModelingResources.getInstance(graph);
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68 Layer0 L0 = Layer0.getInstance(graph);
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70 String uri = graph.getPossibleRelatedValue(resource, DIA.RuntimeDiagram_HasVariable);
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74 Variable var = Variables.getPossibleVariable(graph, uri);
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78 Resource config = graph.getPossibleObject(resource2, MOD.ElementToComponent);
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79 if (config == null) {
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80 if (graph.isInstanceOf(resource2, DIA.Connection)) {
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81 Variable v = FlagUtil.getPossibleConnectionSignal(graph, var, resource2, L0.Entity);
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85 // Apros #9646: if resource2 is the diagram
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86 // itself, return the diagram composite variable
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87 // since it is generally more useful than the
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88 // variable to the diagram.
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89 Resource composite = graph.getPossibleObject(resource2, MOD.DiagramToComposite);
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90 if (composite != null && composite.equals(var.getPossibleRepresents(graph))) {
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91 //return Variables.getPossibleVariable(graph, resource2);
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95 if(graph.isInstanceOf(resource2, DIA.Flag)) {
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96 Variable signal = FlagUtil.getPossibleFlagSignal(graph, var, resource2, L0.Entity);
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105 return var.browsePossible(graph, config);
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109 } catch (DatabaseException e) {
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110 Logger.defaultLogError(e);
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118 protected DataContainer<IDiagram> sourceDiagram;
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120 public DiagramViewerSelectionProvider(IThreadWorkQueue queue, IWorkbenchPartSite site, DataContainer<IDiagram> sourceDiagram) {
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121 super(queue, site);
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122 assert(sourceDiagram != null);
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123 this.sourceDiagram = sourceDiagram;
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127 protected ISelection constructAdaptableSelection(Iterable<?> selection) {
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128 ArrayList<Object> objects = new ArrayList<Object>();
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129 IDiagram diagram = sourceDiagram.get();
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130 if (diagram != null) {
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131 Resource runtime = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RUNTIME_RESOURCE);
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132 Resource dr = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);
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133 for (Object o : selection) {
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134 Resource resource = getSelectionResource(o);
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135 if (resource != null) {
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136 objects.add( constructSelectionElement(runtime, resource) );
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138 System.out.println(" unrecognized selection: " + o.getClass() + ": " + o);
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141 if (objects.isEmpty() && runtime != null && dr != null) {
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142 objects.add( constructSelectionElement(runtime, dr) );
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145 return new StructuredSelection(objects);
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148 protected Resource getSelectionResource(Object o) {
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149 if (o instanceof IElement) {
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150 IElement e = (IElement) o;
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151 Object object = e.getHint(ElementHints.KEY_OBJECT);
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152 if (object instanceof Resource)
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153 return (Resource) object;
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154 object = ElementUtils.adaptElement(e, Resource.class);
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155 if (object != null)
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156 return (Resource) object;
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166 protected static SelectionElement constructSelectionElement(Resource runtime, Resource object) {
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167 SelectionElement context = new SelectionElement(SelectionHints.STD_KEYS, runtime, object);
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168 context.setHint(SelectionHints.KEY_MAIN, object);
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169 if (runtime != null) {
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170 context.setHint(SelectionHints.KEY_VARIABLE_RESOURCE, runtime);
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172 Resource model = RequestUtil.trySyncRequest(
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173 Simantics.getSession(),
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174 SimanticsUI.UI_THREAD_REQUEST_START_TIMEOUT,
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175 SimanticsUI.UI_THREAD_REQUEST_EXECUTION_TIMEOUT,
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177 new ModelOfRuntime(runtime));
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179 context.setHint(SelectionHints.KEY_MODEL, model);
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180 } catch (DatabaseException | InterruptedException ex) {
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181 ErrorLogger.defaultLogError(ex);
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187 private static class ModelOfRuntime extends ResourceRead<Resource> {
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188 public ModelOfRuntime(Resource runtime) {
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193 public Resource perform(ReadGraph graph) throws DatabaseException {
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194 DiagramResource DIA = DiagramResource.getInstance(graph);
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195 String uri = graph.getPossibleRelatedValue(resource, DIA.RuntimeDiagram_HasModelURI);
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197 Resource resource = graph.getPossibleResource(uri);
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198 if(resource != null) return resource;
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200 Resource diagram = graph.getPossibleObject(resource, DIA.RuntimeDiagram_HasConfiguration);
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201 if (diagram == null)
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203 return graph.syncRequest(new PossibleModel(diagram));
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