filebot/source/net/sourceforge/tuned/ui/LoadingOverlayPane.java

package net.sourceforge.tuned.ui;


import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.JComponent;

import net.miginfocom.swing.MigLayout;


public class LoadingOverlayPane extends JComponent {
	
	public static final String LOADING_PROPERTY = "loading";
	
	private final JComponent animationComponent;
	
	private boolean overlayEnabled = false;
	
	private int millisToOverlay = 400;
	
	
	public LoadingOverlayPane(JComponent component, JComponent propertyChangeSource) {
		this(component, propertyChangeSource, null, null);
	}
	

	public LoadingOverlayPane(JComponent component, JComponent propertyChangeSource, String offsetX, String offsetY) {
		setLayout(new MigLayout("insets 0, fill"));
		
		animationComponent = new ProgressIndicator();
		animationComponent.setVisible(false);
		
		add(animationComponent, String.format("pos n %s 100%%-%s n", offsetY != null ? offsetY : "8px", offsetX != null ? offsetX : "18px"));
		add(component, "grow");
		
		if (propertyChangeSource != null) {
			propertyChangeSource.addPropertyChangeListener(LOADING_PROPERTY, new PropertyChangeListener() {
				
				@Override
				public void propertyChange(PropertyChangeEvent evt) {
					setOverlayVisible((Boolean) evt.getNewValue());
				}
			});
		}
	}
	

	@Override
	public boolean isOptimizedDrawingEnabled() {
		return false;
	}
	

	public void setOverlayVisible(boolean b) {
		overlayEnabled = b;
		
		if (overlayEnabled) {
			TunedUtilities.invokeLater(millisToOverlay, new Runnable() {
				
				@Override
				public void run() {
					if (overlayEnabled) {
						animationComponent.setVisible(true);
					}
				}
				
			});
		} else {
			animationComponent.setVisible(false);
		}
	}
	
}