Java 类com.intellij.openapi.ui.InputValidatorEx 实例源码

private static void createNewFolder(FileSystemTree fileSystemTree) {
  final VirtualFile file = fileSystemTree.getNewFileParent();
  if (file == null || !file.isDirectory()) return;

  final InputValidatorEx validator = new NewFolderValidator(file);
  final String newFolderName = Messages.showInputDialog(UIBundle.message("create.new.folder.enter.new.folder.name.prompt.text"),
                                                        UIBundle.message("new.folder.dialog.title"), Messages.getQuestionIcon(),
                                                        "", validator);
  if (newFolderName == null) {
    return;
  }
  Exception failReason = ((FileSystemTreeImpl)fileSystemTree).createNewFolder(file, newFolderName);
  if (failReason != null) {
    Messages.showMessageDialog(UIBundle.message("create.new.folder.could.not.create.folder.error.message", newFolderName),
                               UIBundle.message("error.dialog.title"), Messages.getErrorIcon());
  }
}

protected MyDialog(@NotNull AndroidFacet facet, @Nullable InputValidator validator) {
  super(facet.getModule().getProject());
  myValidator = validator;
  setTitle(AndroidBundle.message("new.typed.resource.dialog.title", myResourcePresentableName));
  final List<String> tagNames = getSortedAllowedTagNames(facet);
  myRootElementField = new TextFieldWithAutoCompletion<String>(
    facet.getModule().getProject(), new TextFieldWithAutoCompletion.StringsCompletionProvider(tagNames, null), true, null);
  myRootElementField.setText(myDefaultRootTag);
  myRootElementFieldWrapper.add(myRootElementField, BorderLayout.CENTER);
  myRootElementLabel.setLabelFor(myRootElementField);
  init();

  myFileNameField.getDocument().addDocumentListener(new DocumentAdapter() {
    @Override
    public void textChanged(DocumentEvent event) {
      final String text = myFileNameField.getText().trim();
      if (myValidator instanceof InputValidatorEx) {
        setErrorText(((InputValidatorEx) myValidator).getErrorText(text));
      }
    }
  });
}