1 package org.simantics.document.ui.actions;
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3 import java.io.IOException;
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5 import org.simantics.db.ReadGraph;
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6 import org.simantics.db.Resource;
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7 import org.simantics.db.WriteGraph;
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8 import org.simantics.db.common.request.WriteRequest;
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9 import org.simantics.db.common.utils.NameUtils;
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10 import org.simantics.db.exception.DatabaseException;
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11 import org.simantics.db.layer0.adapter.ActionFactory;
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12 import org.simantics.document.DocumentResource;
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13 import org.simantics.graphfile.util.GraphFileUtil;
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14 import org.simantics.layer0.Layer0;
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15 import org.simantics.ui.SimanticsUI;
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17 public class NewFileDocument implements ActionFactory {
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21 public NewFileDocument(ReadGraph graph, String relationUri, String defaultName) throws DatabaseException {
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22 relation = graph.getResource(relationUri);
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23 this.defaultName = defaultName;
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27 public Runnable create(Object target) {
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29 if(!(target instanceof Resource))
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32 final Resource resource = (Resource)target;
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34 return new Runnable() {
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37 SimanticsUI.getSession().asyncRequest(new WriteRequest() {
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40 public void perform(WriteGraph graph) throws DatabaseException {
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41 graph.markUndoPoint();
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43 Layer0 l0 = Layer0.getInstance(graph);
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45 String name = NameUtils.findFreshName(graph, defaultName, resource, relation);
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46 DocumentResource doc = DocumentResource.getInstance(graph);
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48 Resource fileResource = graph.newResource();
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49 graph.claim(fileResource, l0.InstanceOf, doc.FileDocument);
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50 graph.claimLiteral(fileResource, l0.HasName, name);
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51 graph.claim(resource, relation, fileResource);
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53 GraphFileUtil.writeDataToGraph(graph, new byte[0], fileResource);
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54 } catch (IOException e) {
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55 throw new DatabaseException(e);
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