| 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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