1 package org.simantics.selectionview;
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3 import java.util.ArrayList;
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4 import java.util.Collection;
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5 import java.util.Collections;
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6 import java.util.HashSet;
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7 import java.util.Set;
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9 import org.simantics.Logger;
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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.PossibleIndexRoot;
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13 import org.simantics.db.common.utils.Functions;
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14 import org.simantics.db.common.utils.NameUtils;
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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.adapter.Instances;
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18 import org.simantics.db.layer0.request.VariableIndexRoot;
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19 import org.simantics.db.layer0.variable.Variable;
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20 import org.simantics.db.layer0.variable.Variables;
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21 import org.simantics.layer0.Layer0;
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22 import org.simantics.ui.selection.WorkbenchSelectionUtils;
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23 import org.simantics.utils.ui.ISelectionUtils;
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25 public class StandardSelectionProcessor implements SelectionProcessor<Object, ReadGraph> {
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27 private static Resource getIndexRoot(ReadGraph graph, Object selection) throws DatabaseException {
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29 Variable variable = WorkbenchSelectionUtils.getPossibleVariable(graph, selection);
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30 if (variable != null) {
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31 return graph.sync(new VariableIndexRoot(variable));
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34 variable = ISelectionUtils.filterSingleSelection(selection, Variable.class);
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35 if (variable != null) {
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36 return graph.sync(new VariableIndexRoot(variable));
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39 Resource indexRoot = ISelectionUtils.getSinglePossibleKey(selection, SelectionHints.KEY_MODEL, Resource.class, false);
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40 if (indexRoot == null) {
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41 Resource r = ISelectionUtils.getSinglePossibleKey(selection, SelectionHints.KEY_MAIN, Resource.class);
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43 indexRoot = graph.sync(new PossibleIndexRoot(r));
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46 return indexRoot != null && graph.isInstanceOf(indexRoot, Layer0.getInstance(graph).IndexRoot) ? indexRoot : null;
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50 public Collection<?> process(Object selection, ReadGraph graph) {
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51 return processStatic(selection, graph);
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54 public static Collection<?> processStatic(Object selection, ReadGraph graph) {
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58 SelectionViewResources SEL = SelectionViewResources.getInstance(graph);
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59 Instances contributionFinder = graph.adapt(SEL.TabContribution, Instances.class);
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60 Instances transformationFinder = graph.adapt(SEL.SelectionTransformation, Instances.class);
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62 ArrayList<TabContribution<?>> contributions = new ArrayList<TabContribution<?>>();
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64 Resource index = getIndexRoot(graph, selection);
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67 for(Resource r : contributionFinder.find(graph, index)) {
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68 TabContribution<?> contribution = graph.adapt(r, TabContribution.class);
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69 contributions.add(contribution);
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70 if(DebugPolicy.DEBUG) System.err.println("-contribution " + graph.getURI(r));
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73 ArrayList<Resource> transforms = new ArrayList<Resource>();
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74 transforms.addAll(transformationFinder.find(graph, index));
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75 if(DebugPolicy.DEBUG) {
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76 for(Resource r : transforms)
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77 System.err.println("-transform " + NameUtils.getSafeLabel(graph, r));
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80 HashSet<Object> inputs = new HashSet<Object>();
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81 HashSet<Object> newInputs = new HashSet<Object>();
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82 inputs.add(selection);
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83 boolean changed = true;
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85 for(Resource tr : transforms) {
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86 for(Object input : inputs) {
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88 Object newInput = Functions.exec(graph, tr, graph, input);
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89 if(newInput != null)
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90 newInputs.add(newInput);
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91 } catch (DatabaseException e) {
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95 changed = inputs.addAll(newInputs);
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100 if(DebugPolicy.DEBUG) {
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101 for(Object o : inputs)
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102 System.err.println("-input " + inputName(graph, o));
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105 Set<ComparableTabContributor> result = new HashSet<ComparableTabContributor>();
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106 for(TabContribution c : contributions) {
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107 for(Object input : inputs) {
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109 if(DebugPolicy.DEBUG) {
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110 System.err.println("contribution: " + c);
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111 System.err.println("->input: " + input);
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112 System.err.println("->input name: " + inputName(graph, input));
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114 if (c.accept(graph, input))
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115 c.contribute(graph, input, result);
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116 } catch (ClassCastException e) {
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117 Logger.defaultLogError(e);
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118 } catch (Exception e) {
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119 Logger.defaultLogError(e);
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124 if(DebugPolicy.DEBUG) {
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125 System.err.println("result: " + result);
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133 } catch (DatabaseException e) {
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135 e.printStackTrace();
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139 return Collections.emptyList();
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143 private static String inputName(ReadGraph graph, Object o) throws DatabaseException {
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144 if(o instanceof Resource) {
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145 return "Resource: " + NameUtils.getURIOrSafeNameInternal(graph, (Resource)o);
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146 } else if(o instanceof Variable) {
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147 return "Variable: " + ((Variable)o).getURI(graph) + " " + NameUtils.getSafeLabel(graph, (Resource)((Variable)o).getPossiblePropertyValue(graph, Variables.TYPE));
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148 } else if(o instanceof SelectionInput) {
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149 return "SelectionInput: " + o.toString();
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151 return "Object(" + o.getClass().getSimpleName() + "): " + o.toString();
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