| 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.edit.IModificationContext;
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| 18 | import org.eclipse.xtext.ui.editor.model.edit.ISemanticModification;
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| 19 |
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| 20 | import de.ugoe.cs.swe.bnftools.ebnf.Rule;
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| 21 | import de.ugoe.cs.swe.bnftools.ui.quickfix.processors.ReplacePassthroughRuleProcessor;
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| 22 | import de.ugoe.cs.swe.bnftools.utils.DeclarationReferencesPair;
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| 23 | import de.ugoe.cs.swe.bnftools.utils.Utils;
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| 24 |
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| 25 | public class RemovePassthroughRuleModification implements ISemanticModification {
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| 26 |
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| 27 | IResourceDescriptions resourceDescriptions;
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| 28 |
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| 29 | // ----------------------------------------------------------------------------------------------------
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| 30 |
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| 31 | public RemovePassthroughRuleModification(
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| 32 | IResourceDescriptions resourceDescriptions) {
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| 33 | this.resourceDescriptions = resourceDescriptions;
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| 34 | }
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| 35 |
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| 36 | // ----------------------------------------------------------------------------------------------------
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| 37 |
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| 38 | public void apply(EObject element, IModificationContext context)
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| 39 | throws Exception {
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| 40 | // get current editor
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| 41 | XtextEditor editor = (XtextEditor) PlatformUI.getWorkbench()
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| 42 | .getActiveWorkbenchWindow().getActivePage().getActiveEditor();
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| 43 | Rule rule = (Rule) element;
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| 44 |
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| 45 | NodeAdapter declarationNode = NodeUtil.getNodeAdapter(rule);
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| 46 |
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| 47 | List<CompositeNode> references = Utils.findReferences(element,
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| 48 | resourceDescriptions, editor);
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| 49 |
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| 50 | List<DeclarationReferencesPair> nodePairs = new ArrayList<DeclarationReferencesPair>();
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| 51 | nodePairs.add(new DeclarationReferencesPair((CompositeNode) declarationNode.getParserNode(), references));
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| 52 |
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| 53 | ReplacePassthroughRuleProcessor processor = new ReplacePassthroughRuleProcessor(
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| 54 | editor, editor.getDocument(), nodePairs, true);
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| 55 |
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| 56 | NullProgressMonitor pm = new NullProgressMonitor();
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| 57 | Change change;
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| 58 | try {
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| 59 | change = processor.createChange(pm);
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| 60 | change.initializeValidationData(pm);
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| 61 | change.setEnabled(true);
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| 62 | PerformChangeOperation operation = new PerformChangeOperation(
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| 63 | change);
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| 64 | operation.setUndoManager(RefactoringCore.getUndoManager(),
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| 65 | processor.getProcessorName());
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| 66 | operation.run(pm);
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| 67 | change.dispose();
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| 68 | } catch (Exception e) {
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| 69 | e.printStackTrace();
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| 70 | }
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| 71 |
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| 72 | }
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| 73 |
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| 74 | }
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