1 package org.simantics.spreadsheet.graph.adapter;
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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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7 import org.simantics.databoard.Bindings;
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8 import org.simantics.databoard.binding.Binding;
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9 import org.simantics.db.ReadGraph;
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10 import org.simantics.db.Resource;
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11 import org.simantics.db.exception.DatabaseException;
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12 import org.simantics.db.layer0.variable.ConstantChildVariable;
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13 import org.simantics.db.layer0.variable.Variable;
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14 import org.simantics.db.layer0.variable.VariableFactory;
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15 import org.simantics.db.layer0.variable.Variables;
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16 import org.simantics.spreadsheet.resource.SpreadsheetResource;
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17 import org.simantics.spreadsheet.util.SpreadsheetUtils;
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19 public class StringArrayCells implements VariableFactory {
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21 private Resource configuration;
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23 public StringArrayCells(Resource configuration) {
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24 this.configuration = configuration;
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27 final String[] propertyNames = { Variables.LABEL, "immutable" };
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28 final Binding[] bindings = { Bindings.STRING, Bindings.BOOLEAN };
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30 private Collection<Variable> toVariables(ReadGraph graph, Variable variable, String[] data, int width) throws DatabaseException {
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32 SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);
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33 String location = graph.getPossibleRelatedValue(configuration, sr.HasLocation, Bindings.STRING);
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34 if(location == null) return Collections.emptyList();
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36 int rows = data.length / width;
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38 ArrayList<Variable> result = new ArrayList<Variable>();
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39 for(int offset=0,i=0;i<rows;i++) {
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40 for(int j=0;j<width;j++) {
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41 String value = data[offset++];
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42 String valueLocation = SpreadsheetUtils.offset(location, i, j);
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43 result.add(new ConstantChildVariable(variable, valueLocation, propertyNames, bindings, new Object[] { value, true }));
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50 private Collection<Variable> error(ReadGraph graph, Variable variable, String message) throws DatabaseException {
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52 SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);
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53 String location = graph.getPossibleRelatedValue(configuration, sr.HasLocation, Bindings.STRING);
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54 if(location == null) return Collections.emptyList();
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56 return Collections.<Variable>singletonList(new ConstantChildVariable(variable, location, propertyNames, bindings, new Object[] { message }));
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61 public Collection<Variable> evaluate(ReadGraph graph, Variable variable) throws DatabaseException {
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63 SpreadsheetResource sr = SpreadsheetResource.getInstance(graph);
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64 String[] data = graph.getPossibleRelatedValue(configuration, sr.StringArrayCell_HasStringArray, Bindings.STRING_ARRAY);
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65 if(data == null) return error(graph, variable, "No string array data.");
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66 Integer width = graph.getPossibleRelatedValue(configuration, sr.StringArrayCell_HasWidth, Bindings.INTEGER);
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67 if(width == null) return error(graph, variable, "Invalid width for string array.");
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69 return toVariables(graph, variable, data, width);
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