/**
* Get more info at : www.jrebirth.org .
* Copyright JRebirth.org © 2011-2013
* Contact : sebastien.bordes@jrebirth.org
*
* 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.jrebirth.af.core.service.basic;
import java.util.HashMap;
import java.util.Map;
import javafx.scene.Scene;
import javafx.scene.SceneBuilder;
import javafx.scene.layout.Region;
import javafx.scene.layout.StackPaneBuilder;
import javafx.stage.Stage;
import javafx.stage.StageBuilder;
import org.jrebirth.af.core.command.basic.stage.StageWaveBean;
import org.jrebirth.af.core.service.DefaultService;
import org.jrebirth.af.core.wave.Wave;
import org.jrebirth.af.core.wave.WaveTypeBase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The class <strong>StageService</strong>.
*
* @author Sébastien Bordes
*/
public class StageService extends DefaultService {
/** Wave type use to load events. */
public static final WaveTypeBase DO_OPEN_STAGE = WaveTypeBase.build("OPEN_STAGE");
/** Wave type to return events loaded. */
public static final WaveTypeBase RE_STAGE_OPENED = WaveTypeBase.build("STAGE_OPENED");
/** Wave type use to load events. */
public static final WaveTypeBase DO_CLOSE_STAGE = WaveTypeBase.build("CLOSE_STAGE");
/** Wave type to return events loaded. */
public static final WaveTypeBase RE_STAGE_CLOSED = WaveTypeBase.build("STAGE_CLOSED");
/** Wave type use to load events. */
public static final WaveTypeBase DO_DESTROY_STAGE = WaveTypeBase.build("DESTROY_STAGE");
/** Wave type to return events loaded. */
public static final WaveTypeBase RE_STAGE_DESTROYED = WaveTypeBase.build("STAGE_DESTROYED");
/** The class logger. */
private static final Logger LOGGER = LoggerFactory.getLogger(StageService.class);
/** The map that stores all stages. */
private final Map<String, Stage> stageMap = new HashMap<>();
/**
* {@inheritDoc}
*/
@Override
public void initService() {
registerCallback(DO_OPEN_STAGE, RE_STAGE_OPENED);
registerCallback(DO_CLOSE_STAGE, RE_STAGE_CLOSED);
registerCallback(DO_DESTROY_STAGE, RE_STAGE_DESTROYED);
}
/**
* Open a stage.
*
* @param wave the source wave
*/
public void doOpenStage(final Wave wave) {
LOGGER.trace("Open a stage.");
final StageWaveBean swb = getWaveBean(wave);
final String stageKey = swb.getStageKey();
if (this.stageMap.containsKey(stageKey) && this.stageMap.get(stageKey) != null) {
// Show the stage
this.stageMap.get(stageKey).show();
} else {
final Region rootPane = getRootPane(swb);
final Scene scene = getScene(swb, rootPane);
final Stage stage = getStage(swb, scene);
// Show the stage
this.stageMap.put(stageKey, stage);
stage.show();
}
}
/**
* Gets the root pane.
*
* @param swb the swb
* @return the root pane
*/
private Region getRootPane(final StageWaveBean swb) {
return swb.getRootPane() == null
? StackPaneBuilder.create()
.build()
: swb.getRootPane();
}
/**
* Gets the scene.
*
* @param swb the swb
* @param region the region
* @return the scene
*/
private Scene getScene(final StageWaveBean swb, final Region region) {
Scene scene = swb.getScene();
if (scene == null) {
scene = SceneBuilder.create()
.root(region)
.build();
} else {
scene.setRoot(region);
}
return scene;
}
/**
* Gets the stage.
*
* @param swb the swb
* @param scene the scene
* @return the stage
*/
private Stage getStage(final StageWaveBean swb, final Scene scene) {
Stage stage = swb.getStage();
if (swb.getStage() == null) {
stage = StageBuilder.create()
.scene(scene)
.build();
} else {
stage.setScene(scene);
}
return stage;
}
/**
* Close a stage. (Hide it)
*
* @param wave the source wave
*/
public void doCloseStage(final Wave wave) {
final String stageKey = getWaveBean(wave).getStageKey();
this.stageMap.get(stageKey).close();
}
/**
* Destroy the stage and dereference it.
*
* @param wave the source wave
*/
public void doDestroyStage(final Wave wave) {
final String stageKey = getWaveBean(wave).getStageKey();
this.stageMap.get(stageKey).close();
this.stageMap.remove(stageKey);
}
/**
* Get the wave bean and cast it.
*
* @param wave the wave that hold the bean
*
* @return the casted wave bean
*/
public StageWaveBean getWaveBean(final Wave wave) {
return (StageWaveBean) wave.getWaveBean();
}
/**
* Retrieve a stage according to its key.
*
* @param stageKey the unique key for the requested stage
*
* @return the stage or null if not mapped
*/
public Stage getStage(final String stageKey) {
return this.stageMap.get(stageKey);
}
}