org.jacpfx.rcp.util.DimensionUtil Maven / Gradle / Ivy
package org.jacpfx.rcp.util;
import javafx.beans.property.ReadOnlyDoubleProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.stage.Screen;
import javafx.stage.Stage;
import org.jacpfx.api.exceptions.InvalidInitialisationException;
/**
* @author Patrick Symmangk
*
*/
public class DimensionUtil {
private SimpleDoubleProperty screenWidthProperty = null;
private SimpleDoubleProperty screenHeightProperty = null;
private final Stage stage;
private static DimensionUtil instance;
private DimensionUtil(final Stage stage) {this.stage = stage;}
public static synchronized void init(final Stage stage) {
instance = new DimensionUtil(stage);
}
public static synchronized DimensionUtil getInstance(){
if(instance == null)
{
throw new InvalidInitialisationException("init util before use");
}
return instance;
}
public ReadOnlyDoubleProperty getStageWidthProperty() {
return stage.widthProperty();
}
public ReadOnlyDoubleProperty getStageHeightProperty() {
return stage.heightProperty();
}
public SimpleDoubleProperty getScreenWidthProperty(){
return screenWidthProperty == null ? initScreenWidthProperty() : screenWidthProperty;
}
public SimpleDoubleProperty getScreenHeightProperty(){
return screenHeightProperty == null ? initScreenHeightProperty() : screenHeightProperty;
}
private SimpleDoubleProperty initScreenWidthProperty(){
screenWidthProperty = new SimpleDoubleProperty(Screen.getPrimary().getBounds().getWidth());
return screenWidthProperty;
}
private SimpleDoubleProperty initScreenHeightProperty(){
screenHeightProperty = new SimpleDoubleProperty(Screen.getPrimary().getBounds().getHeight());
return screenHeightProperty;
}
}