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);
}
