1 | package de.ugoe.cs.swe.bnftools.ui.quickfix.modifications;
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2 |
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3 | import java.util.ArrayList;
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4 | import java.util.List;
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5 |
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6 | import org.eclipse.core.runtime.NullProgressMonitor;
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7 | import org.eclipse.emf.ecore.EObject;
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8 | import org.eclipse.ltk.core.refactoring.Change;
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9 | import org.eclipse.ltk.core.refactoring.PerformChangeOperation;
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10 | import org.eclipse.ltk.core.refactoring.RefactoringCore;
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11 | import org.eclipse.ui.PlatformUI;
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12 | import org.eclipse.xtext.parsetree.CompositeNode;
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13 | import org.eclipse.xtext.parsetree.NodeAdapter;
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14 | import org.eclipse.xtext.parsetree.NodeUtil;
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15 | import org.eclipse.xtext.resource.IResourceDescriptions;
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16 | import org.eclipse.xtext.ui.editor.XtextEditor;
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17 | import org.eclipse.xtext.ui.editor.model.XtextDocument;
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18 | import org.eclipse.xtext.ui.editor.model.edit.IModificationContext;
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19 | import org.eclipse.xtext.ui.editor.model.edit.ISemanticModification;
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20 |
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21 | import de.ugoe.cs.swe.bnftools.ebnf.Rule;
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22 | import de.ugoe.cs.swe.bnftools.ui.quickfix.processors.InlineRulesProcessor;
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23 | import de.ugoe.cs.swe.bnftools.utils.DeclarationReferencesPair;
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24 | import de.ugoe.cs.swe.bnftools.utils.RootEObjectFinder;
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25 | import de.ugoe.cs.swe.bnftools.utils.Utils;
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26 |
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27 | public class InlineRuleModification implements ISemanticModification {
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28 |
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29 | IResourceDescriptions resourceDescriptions;
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30 |
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31 | // ----------------------------------------------------------------------------------------------------
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32 |
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33 | public InlineRuleModification(IResourceDescriptions resourceDescriptions) {
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34 | this.resourceDescriptions = resourceDescriptions;
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35 | }
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36 |
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37 | // ----------------------------------------------------------------------------------------------------
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38 |
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39 | public void apply(EObject element, IModificationContext context)
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40 | throws Exception {
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41 | XtextEditor editor = (XtextEditor) PlatformUI.getWorkbench()
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42 | .getActiveWorkbenchWindow().getActivePage().getActiveEditor();
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43 |
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44 | //TODO: better error handling
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45 | if (!(editor.getDocument() instanceof XtextDocument)) {
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46 | return;
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47 | }
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48 |
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49 | if (!(element instanceof Rule))
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50 | return;
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51 |
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52 | Rule rule = (Rule) element;
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53 |
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54 | XtextDocument doc = (XtextDocument) editor.getDocument();
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55 | EObject root = doc.readOnly(new RootEObjectFinder());
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56 | NodeAdapter rootNode = NodeUtil.getNodeAdapter(root);
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57 |
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58 | List<DeclarationReferencesPair> nodePairs = new ArrayList<DeclarationReferencesPair>();
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59 |
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60 | List<CompositeNode> references = Utils.findReferences(rule,
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61 | resourceDescriptions, editor);
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62 |
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63 | nodePairs.add(new DeclarationReferencesPair(NodeUtil.getNodeAdapter(rule).getParserNode(), references));
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64 |
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65 | InlineRulesProcessor processor = new InlineRulesProcessor(editor, rootNode.getParserNode(), doc, nodePairs, true);
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66 |
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67 | NullProgressMonitor pm = new NullProgressMonitor();
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68 |
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69 | Change change;
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70 | try {
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71 | change = processor.createChange(pm);
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72 | change.initializeValidationData(pm);
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73 | change.setEnabled(true);
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74 | PerformChangeOperation operation = new PerformChangeOperation(
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75 | change);
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76 | operation.setUndoManager(RefactoringCore.getUndoManager(),
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77 | processor.getProcessorName());
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78 | operation.run(pm);
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79 | } catch (Exception e) {
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80 | e.printStackTrace();
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81 | }
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82 |
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83 | }
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84 |
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85 | }
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