001package org.gwtbootstrap3.extras.bootbox.client.callback;
002
003/*
004 * #%L
005 * GwtBootstrap3
006 * %%
007 * Copyright (C) 2016 GwtBootstrap3
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 * 
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023/**
024 * Prompt callback to handle the user's input.
025 *
026 * @author Xiaodong Sun
027 */
028public interface PromptCallback extends Callback {
029
030    /**
031     * Callback according to the result.
032     *
033     * @param result <code>null</code> if the user canceled or dismissed
034     *     the dialog, or the value of the text input otherwise
035     */
036    void callback(String result);
037
038    /**
039     * Default {@link PromptCallback} does nothing.
040     */
041    static final PromptCallback DEFAULT_PROMPT_CALLBACK = new PromptCallback() {
042        @Override
043        public void callback(String result) {}
044    };
045}