1 package org.simantics.selectionview;
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3 import java.util.Collection;
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4 import java.util.Collections;
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6 import org.eclipse.swt.SWT;
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7 import org.eclipse.swt.widgets.Composite;
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8 import org.eclipse.swt.widgets.Event;
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9 import org.eclipse.swt.widgets.Listener;
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10 import org.eclipse.ui.IWorkbenchSite;
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11 import org.simantics.Simantics;
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12 import org.simantics.databoard.Bindings;
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13 import org.simantics.db.ReadGraph;
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14 import org.simantics.db.Resource;
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15 import org.simantics.db.common.utils.Functions;
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16 import org.simantics.db.common.utils.Logger;
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17 import org.simantics.db.exception.DatabaseException;
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18 import org.simantics.db.layer0.variable.Variable;
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19 import org.simantics.layer0.Layer0;
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20 import org.simantics.ui.selection.WorkbenchSelectionUtils;
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21 import org.simantics.views.swt.SWTViewLoaderProcess;
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22 import org.simantics.views.swt.client.base.SWTRoot;
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24 public class TypedVariableTabContribution implements TabContribution<Object> {
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26 final private Resource configuration;
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28 public TypedVariableTabContribution(ReadGraph graph, Resource configuration) throws DatabaseException {
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29 this.configuration = configuration;
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32 static class Contribution extends ModelledTabContributor {
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34 private String viewURI;
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36 public Contribution(String viewURI) {
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37 this.viewURI = viewURI;
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41 public void createControls(Composite body, IWorkbenchSite site) {
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45 final SWTViewLoaderProcess loader = new SWTViewLoaderProcess(null, site);
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46 final SWTRoot root = loader.load(viewURI, runtime);
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47 root.createControls(body);
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48 body.addListener(SWT.Dispose, new Listener() {
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51 public void handleEvent(Event event) {
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52 if(!loader.isDisposed())
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58 } catch (DatabaseException e) {
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60 e.printStackTrace();
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61 Logger.defaultLogError(e);
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68 public boolean equals(Object obj) {
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71 else if (obj == null)
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73 else if (!(obj instanceof Contribution))
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75 Contribution c = (Contribution)obj;
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76 return viewURI.equals(c.viewURI);
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80 public int hashCode() {
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81 return viewURI.hashCode();
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88 public boolean accept(ReadGraph graph, Object input) {
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90 // return (input instanceof Variable);
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93 private Variable getPossibleVariable(ReadGraph graph, Object input) throws DatabaseException {
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95 if(input instanceof Variable) {
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96 return (Variable)input;
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98 return WorkbenchSelectionUtils.getPossibleVariable(graph, input);
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104 public void contribute(ReadGraph graph, final Object object, Collection<ComparableTabContributor> result) throws DatabaseException {
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106 Variable variable = getPossibleVariable(graph, object);
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107 if(variable == null) return;
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109 Layer0 L0 = Layer0.getInstance(graph);
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110 SelectionViewResources SEL = SelectionViewResources.getInstance(graph);
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111 Collection<Resource> types = graph.getObjects(configuration, SEL.TypedVariableTabContribution_HasType);
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112 if(types.isEmpty()) throw new DatabaseException("No type for " + graph.getPossibleURI(configuration));
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113 Resource view = graph.getPossibleObject(configuration, SEL.VariableTabContribution_HasView);
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115 throw new DatabaseException("No view for " + graph.getPossibleURI(configuration));
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117 Integer priority = graph.getPossibleRelatedValue(configuration, SEL.VariableTabContribution_HasPriority, Bindings.INTEGER);
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118 String label = graph.getPossibleRelatedValue(configuration, L0.HasLabel);
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119 final String viewURI = graph.getPossibleURI(view);
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121 Resource resource = variable.getPossibleRepresents(graph);
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122 if (resource == null)
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125 Collection<Resource> ts = graph.getTypes(resource);
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127 if (!Collections.disjoint(types, ts)) {
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129 for(Resource r : graph.getObjects(configuration, SEL.VariableTabContribution_HasTest)) {
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130 Boolean pass = Functions.exec(graph, r, graph, variable);
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135 Variable transformed = Simantics.tryInvokeSCL(graph, configuration, SEL.VariableTabContribution_transformation, variable);
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136 if(transformed != null) variable = transformed;
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137 } catch (DatabaseException e) {
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138 // Errors are just ignored
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141 result.add(new ComparableTabContributor(new Contribution(viewURI), priority, variable, label));
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