1 | package de.ugoe.cs.swe.bnftools.ui.refactoring.rename;
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2 |
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3 | import org.eclipse.core.commands.AbstractHandler;
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4 | import org.eclipse.core.commands.ExecutionEvent;
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5 | import org.eclipse.core.commands.ExecutionException;
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6 | import org.eclipse.jface.dialogs.MessageDialog;
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7 | import org.eclipse.jface.text.ITextSelection;
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8 | import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
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9 | import org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation;
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10 | import org.eclipse.swt.widgets.Display;
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11 | import org.eclipse.ui.handlers.HandlerUtil;
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12 | import org.eclipse.xtext.parsetree.CompositeNode;
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13 | import org.eclipse.xtext.resource.IEObjectDescription;
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14 | import org.eclipse.xtext.resource.IResourceDescriptions;
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15 | import org.eclipse.xtext.ui.editor.XtextEditor;
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16 |
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17 | import com.google.inject.Inject;
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18 |
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19 | import de.ugoe.cs.swe.bnftools.ebnf.Rule;
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20 | import de.ugoe.cs.swe.bnftools.utils.EObjectSelectionResolver;
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21 | import de.ugoe.cs.swe.bnftools.utils.URIFragmentResolver;
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22 |
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23 | public class RenameRefactoringHandler extends AbstractHandler {
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24 |
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25 | @Inject
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26 | private IResourceDescriptions resourceDescriptions;
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27 |
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28 | // --------------------------------------------------------------------------------
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29 |
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30 | public Object execute(ExecutionEvent event) throws ExecutionException {
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31 | try {
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32 | String currentName = "";
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33 |
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34 | XtextEditor editor = (XtextEditor) HandlerUtil
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35 | .getActiveEditor(event);
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36 |
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37 | final ITextSelection selection = (ITextSelection) editor
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38 | .getSelectionProvider().getSelection();
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39 |
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40 | final IEObjectDescription eObjectDescription = editor
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41 | .getDocument()
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42 | .readOnly(
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43 | new EObjectSelectionResolver(selection, resourceDescriptions));
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44 |
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45 | CompositeNode o = editor.getDocument().readOnly(
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46 | new URIFragmentResolver(eObjectDescription.getEObjectURI()
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47 | .fragment()));
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48 |
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49 | if (o.getElement() instanceof Rule) {
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50 | Rule r = (Rule) o.getElement();
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51 | currentName = r.getName();
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52 | }
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53 |
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54 | RenameProcessor processor = new RenameProcessor(editor,
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55 | resourceDescriptions);
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56 | RenameRefactoring refactoring = new RenameRefactoring(processor);
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57 |
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58 | RenameRefactoringWizard wizard = new RenameRefactoringWizard(
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59 | refactoring, RefactoringWizard.WIZARD_BASED_USER_INTERFACE);
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60 | wizard.setRenameText(currentName);
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61 |
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62 | RefactoringWizardOpenOperation openOperation = new RefactoringWizardOpenOperation(
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63 | wizard);
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64 |
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65 | openOperation.run(Display.getCurrent().getActiveShell(),
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66 | "Refactoring not possible!");
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67 |
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68 | } catch (Exception e) {
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69 | MessageDialog.openInformation(
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70 | Display.getDefault().getActiveShell(),
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71 | "Rename Refactoring",
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72 | "Error while applying refactoring to workbench/wizard: "
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73 | + e.getMessage());
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74 | //e.printStackTrace();
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75 | }
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76 | return null;
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77 | }
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78 |
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79 | }
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