01 /*
02 * SPDX-License-Identifier: Apache-2.0
03 *
04 * Copyright 2008-2017 the original author or authors.
05 *
06 * Licensed under the Apache License, Version 2.0 (the "License");
07 * you may not use this file except in compliance with the License.
08 * You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.codehaus.griffon.runtime.lanterna;
19
20 import com.googlecode.lanterna.gui.GUIScreen;
21 import com.googlecode.lanterna.gui.Window;
22 import griffon.lanterna.LanternaWindowDisplayHandler;
23
24 import javax.annotation.Nonnull;
25 import javax.inject.Inject;
26
27 import static griffon.util.GriffonNameUtils.requireNonBlank;
28 import static java.util.Objects.requireNonNull;
29
30 /**
31 * @author Andres Almiray
32 * @since 2.0.0
33 */
34 public class DefaultLanternaWindowDisplayHandler implements LanternaWindowDisplayHandler {
35 private static final String ERROR_NAME_BLANK = "Argument 'name' must not be null";
36 private static final String ERROR_WINDOW_NULL = "Argument 'window' must not be null";
37
38 private final GUIScreen screen;
39
40 @Inject
41 public DefaultLanternaWindowDisplayHandler(@Nonnull GUIScreen screen) {
42 this.screen = requireNonNull(screen, "Argument 'screen' must not be null");
43 }
44
45 public void show(@Nonnull String name, @Nonnull Window window) {
46 requireNonBlank(name, ERROR_NAME_BLANK);
47 requireNonNull(window, ERROR_WINDOW_NULL);
48 screen.showWindow(window, GUIScreen.Position.CENTER);
49 }
50
51 public void hide(@Nonnull String name, @Nonnull Window window) {
52 requireNonBlank(name, ERROR_NAME_BLANK);
53 requireNonNull(window, ERROR_WINDOW_NULL);
54 window.close();
55 }
56 }
|