public boolean checkConflicts(final ExtractSuperclassDialog dialog) {
final MemberInfo[] infos =
ArrayUtil.toObjectArray(dialog.getSelectedMemberInfos(), MemberInfo.class);
final PsiDirectory targetDirectory = dialog.getTargetDirectory();
final PsiPackage targetPackage;
if (targetDirectory != null) {
targetPackage = JavaDirectoryService.getInstance().getPackage(targetDirectory);
} else {
targetPackage = null;
}
final MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();
if (!ProgressManager.getInstance()
.runProcessWithProgressSynchronously(
new Runnable() {
public void run() {
final PsiClass superClass =
mySubclass.getExtendsListTypes().length > 0 ? mySubclass.getSuperClass() : null;
conflicts.putAllValues(
PullUpConflictsUtil.checkConflicts(
infos,
mySubclass,
superClass,
targetPackage,
targetDirectory,
dialog.getContainmentVerifier(),
false));
}
},
RefactoringBundle.message("detecting.possible.conflicts"),
true,
myProject)) return false;
ExtractSuperClassUtil.checkSuperAccessible(targetDirectory, conflicts, mySubclass);
return ExtractSuperClassUtil.showConflicts(dialog, conflicts, myProject);
}
// invoked inside Command and Atomic action
private void doRefactoring(
final Project project, final PsiClass subclass, final ExtractSuperclassDialog dialog) {
final String superclassName = dialog.getExtractedSuperName();
final PsiDirectory targetDirectory = dialog.getTargetDirectory();
final MemberInfo[] selectedMemberInfos =
ArrayUtil.toObjectArray(dialog.getSelectedMemberInfos(), MemberInfo.class);
final DocCommentPolicy javaDocPolicy = new DocCommentPolicy(dialog.getDocCommentPolicy());
LocalHistoryAction a =
LocalHistory.getInstance().startAction(getCommandName(subclass, superclassName));
try {
final PsiClass superclass;
try {
superclass =
ExtractSuperClassUtil.extractSuperClass(
project,
targetDirectory,
superclassName,
subclass,
selectedMemberInfos,
javaDocPolicy);
} finally {
a.finish();
}
// ask whether to search references to subclass and turn them into refs to superclass if
// possible
if (superclass != null) {
final SmartPsiElementPointer<PsiClass> classPointer =
SmartPointerManager.getInstance(project).createSmartPsiElementPointer(subclass);
final SmartPsiElementPointer<PsiClass> interfacePointer =
SmartPointerManager.getInstance(project).createSmartPsiElementPointer(superclass);
final Runnable turnRefsToSuperRunnable =
new Runnable() {
public void run() {
ExtractClassUtil.askAndTurnRefsToSuper(project, classPointer, interfacePointer);
}
};
SwingUtilities.invokeLater(turnRefsToSuperRunnable);
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
public void invoke(
@NotNull final Project project, @NotNull PsiElement[] elements, DataContext dataContext) {
if (elements.length != 1) return;
myProject = project;
mySubclass = (PsiClass) elements[0];
if (!CommonRefactoringUtil.checkReadOnlyStatus(project, mySubclass)) return;
Editor editor = dataContext != null ? PlatformDataKeys.EDITOR.getData(dataContext) : null;
if (mySubclass.isInterface()) {
String message =
RefactoringBundle.getCannotRefactorMessage(
RefactoringBundle.message("superclass.cannot.be.extracted.from.an.interface"));
CommonRefactoringUtil.showErrorHint(
project, editor, message, REFACTORING_NAME, HelpID.EXTRACT_SUPERCLASS);
return;
}
if (mySubclass.isEnum()) {
String message =
RefactoringBundle.getCannotRefactorMessage(
RefactoringBundle.message("superclass.cannot.be.extracted.from.an.enum"));
CommonRefactoringUtil.showErrorHint(
project, editor, message, REFACTORING_NAME, HelpID.EXTRACT_SUPERCLASS);
return;
}
final List<MemberInfo> memberInfos =
MemberInfo.extractClassMembers(
mySubclass,
new MemberInfo.Filter<PsiMember>() {
public boolean includeMember(PsiMember element) {
return true;
}
},
false);
final ExtractSuperclassDialog dialog =
new ExtractSuperclassDialog(
project, mySubclass, memberInfos, ExtractSuperclassHandler.this);
dialog.show();
if (!dialog.isOK() || !dialog.isExtractSuperclass()) return;
CommandProcessor.getInstance()
.executeCommand(
myProject,
new Runnable() {
public void run() {
final Runnable action =
new Runnable() {
public void run() {
doRefactoring(project, mySubclass, dialog);
}
};
ApplicationManager.getApplication().runWriteAction(action);
}
},
REFACTORING_NAME,
null);
}