/*
* Copyright 2008-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.codehaus.griffon.runtime.lanterna;
import com.googlecode.lanterna.gui.GUIScreen;
import com.googlecode.lanterna.gui.Window;
import griffon.lanterna.LanternaWindowDisplayHandler;
import javax.annotation.Nonnull;
import javax.inject.Inject;
import static griffon.util.GriffonNameUtils.requireNonBlank;
import static java.util.Objects.requireNonNull;
/**
* @author Andres Almiray
* @since 2.0.0
*/
public class DefaultLanternaWindowDisplayHandler implements LanternaWindowDisplayHandler {
private static final String ERROR_NAME_BLANK = "Argument 'name' must not be null";
private static final String ERROR_WINDOW_NULL = "Argument 'window' must not be null";
private final GUIScreen screen;
@Inject
public DefaultLanternaWindowDisplayHandler(@Nonnull GUIScreen screen) {
this.screen = requireNonNull(screen, "Argument 'screen' must not be null");
}
public void show(@Nonnull String name, @Nonnull Window window) {
requireNonBlank(name, ERROR_NAME_BLANK);
requireNonNull(window, ERROR_WINDOW_NULL);
screen.showWindow(window, GUIScreen.Position.CENTER);
}
public void hide(@Nonnull String name, @Nonnull Window window) {
requireNonBlank(name, ERROR_NAME_BLANK);
requireNonNull(window, ERROR_WINDOW_NULL);
window.close();
}
}