public void run() { final ReadonlyStatusHandler roHandler = ReadonlyStatusHandler.getInstance(myField.getProject()); final PsiFile psiFile = myField.getContainingFile(); if (psiFile == null) return; final ReadonlyStatusHandler.OperationStatus status = roHandler.ensureFilesWritable(psiFile.getVirtualFile()); if (status.hasReadonlyFiles()) return; ApplicationManager.getApplication() .runWriteAction( new Runnable() { public void run() { CommandProcessor.getInstance() .executeCommand( myField.getProject(), new Runnable() { public void run() { try { final PsiManager manager = myField.getManager(); myField .getTypeElement() .replace( JavaPsiFacade.getInstance(manager.getProject()) .getElementFactory() .createTypeElement(myNewType)); } catch (final IncorrectOperationException e) { ApplicationManager.getApplication() .invokeLater( new Runnable() { public void run() { Messages.showErrorDialog( myEditor, UIDesignerBundle.message( "error.cannot.change.field.type", myField.getName(), e.getMessage()), CommonBundle.getErrorTitle()); } }); } } }, getName(), null); } }); }
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) { if (!myField.isValid()) return; // weird. should not get here when field becomes invalid final Collection<PsiReference> refs = ReferencesSearch.search(myField).findAll(); if (refs.isEmpty()) return; Set<PsiReference> refsSet = new HashSet<PsiReference>(refs); PsiCodeBlock anchorBlock = findAnchorBlock(refs); if (anchorBlock == null) return; // was assert, but need to fix the case when obsolete inspection highlighting is // left if (!CodeInsightUtil.preparePsiElementsForWrite(anchorBlock)) return; final PsiElementFactory elementFactory = JavaPsiFacade.getInstance(project).getElementFactory(); final JavaCodeStyleManager styleManager = JavaCodeStyleManager.getInstance(project); final String propertyName = styleManager.variableNameToPropertyName(myField.getName(), VariableKind.FIELD); String localName = styleManager.propertyNameToVariableName(propertyName, VariableKind.LOCAL_VARIABLE); localName = RefactoringUtil.suggestUniqueVariableName(localName, anchorBlock, myField); PsiElement firstElement = getFirstElement(refs); boolean mayBeFinal = mayBeFinal(refsSet, firstElement); PsiElement newDeclaration = null; try { final PsiElement anchor = getAnchorElement(anchorBlock, firstElement); if (anchor instanceof PsiExpressionStatement && ((PsiExpressionStatement) anchor).getExpression() instanceof PsiAssignmentExpression) { final PsiAssignmentExpression expression = (PsiAssignmentExpression) ((PsiExpressionStatement) anchor).getExpression(); if (expression.getOperationTokenType() == JavaTokenType.EQ && expression.getLExpression() instanceof PsiReferenceExpression && ((PsiReference) expression.getLExpression()).isReferenceTo(myField)) { final PsiExpression initializer = expression.getRExpression(); final PsiDeclarationStatement decl = elementFactory.createVariableDeclarationStatement( localName, myField.getType(), initializer); if (!mayBeFinal) { PsiUtil.setModifierProperty( ((PsiModifierListOwner) decl.getDeclaredElements()[0]), PsiModifier.FINAL, false); } newDeclaration = anchor.replace(decl); refsSet.remove(expression.getLExpression()); retargetReferences(elementFactory, localName, refsSet); } else { newDeclaration = addDeclarationWithFieldInitializerAndRetargetReferences( elementFactory, localName, anchorBlock, anchor, refsSet); } } else { newDeclaration = addDeclarationWithFieldInitializerAndRetargetReferences( elementFactory, localName, anchorBlock, anchor, refsSet); } } catch (IncorrectOperationException e) { LOG.error(e); } if (newDeclaration != null) { final PsiFile psiFile = myField.getContainingFile(); final Editor editor = FileEditorManager.getInstance(project).getSelectedTextEditor(); if (editor != null && IJSwingUtilities.hasFocus(editor.getComponent())) { final PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument()); if (file == psiFile) { editor.getCaretModel().moveToOffset(newDeclaration.getTextOffset()); editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE); } } } try { myField.normalizeDeclaration(); myField.delete(); } catch (IncorrectOperationException e) { LOG.error(e); } }